diff options
| author | raysan5 <[email protected]> | 2020-12-24 13:26:30 +0100 |
|---|---|---|
| committer | raysan5 <[email protected]> | 2020-12-24 13:26:30 +0100 |
| commit | 83ab2cb01746a869b625c9d84fbb4737146b73a9 (patch) | |
| tree | 010b0794848d863916e5acb4f766ea9e7ecb6e90 /examples/web/models/rlgl.h | |
| parent | d11274dcfcb0f349fba16ab4b83d2b96bcac8d1a (diff) | |
| download | raylib.com-83ab2cb01746a869b625c9d84fbb4737146b73a9.tar.gz raylib.com-83ab2cb01746a869b625c9d84fbb4737146b73a9.zip | |
Updated Web examples to raylib 3.5
Diffstat (limited to 'examples/web/models/rlgl.h')
| -rw-r--r-- | examples/web/models/rlgl.h | 3062 |
1 files changed, 1723 insertions, 1339 deletions
diff --git a/examples/web/models/rlgl.h b/examples/web/models/rlgl.h index 639a107..1b42c64 100644 --- a/examples/web/models/rlgl.h +++ b/examples/web/models/rlgl.h @@ -1,6 +1,6 @@ /********************************************************************************************** * -* rlgl - raylib OpenGL abstraction layer +* rlgl v3.1 - raylib OpenGL abstraction layer * * rlgl is a wrapper for multiple OpenGL versions (1.1, 2.1, 3.3 Core, ES 2.0) to * pseudo-OpenGL 1.1 style functions (rlVertex, rlTranslate, rlRotate...). @@ -39,7 +39,7 @@ * * LICENSE: zlib/libpng * -* Copyright (c) 2014-2019 Ramon Santamaria (@raysan5) +* Copyright (c) 2014-2020 Ramon Santamaria (@raysan5) * * This software is provided "as-is", without any express or implied warranty. In no event * will the authors be held liable for any damages arising from the use of this software. @@ -65,12 +65,20 @@ #define RAYMATH_STANDALONE #define RAYMATH_HEADER_ONLY - #if defined(_WIN32) && defined(BUILD_LIBTYPE_SHARED) - #define RLAPI __declspec(dllexport) // We are building raylib as a Win32 shared library (.dll) - #elif defined(_WIN32) && defined(USE_LIBTYPE_SHARED) - #define RLAPI __declspec(dllimport) // We are using raylib as a Win32 shared library (.dll) - #else - #define RLAPI // We are building or using raylib as a static library (or Linux shared library) + #define RLAPI // We are building or using rlgl as a static library (or Linux shared library) + + #if defined(_WIN32) + #if defined(BUILD_LIBTYPE_SHARED) + #define RLAPI __declspec(dllexport) // We are building raylib as a Win32 shared library (.dll) + #elif defined(USE_LIBTYPE_SHARED) + #define RLAPI __declspec(dllimport) // We are using raylib as a Win32 shared library (.dll) + #endif + #endif + + // Support TRACELOG macros + #if !defined(TRACELOG) + #define TRACELOG(level, ...) (void)0 + #define TRACELOGD(...) (void)0 #endif // Allow custom memory allocators @@ -80,11 +88,14 @@ #ifndef RL_CALLOC #define RL_CALLOC(n,sz) calloc(n,sz) #endif + #ifndef RL_REALLOC + #define RL_REALLOC(n,sz) realloc(n,sz) + #endif #ifndef RL_FREE #define RL_FREE(p) free(p) #endif #else - #include "raylib.h" // Required for: Model, Shader, Texture2D, TraceLog() + #include "raylib.h" // Required for: Model, Shader, Texture2D, TRACELOG() #endif #include "raymath.h" // Required for: Vector3, Matrix @@ -114,22 +125,54 @@ #define GRAPHICS_API_OPENGL_33 #endif +#define SUPPORT_RENDER_TEXTURES_HINT + //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- -#if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) - // This is the maximum amount of elements (quads) per batch - // NOTE: Be careful with text, every letter maps to a quad - #define MAX_BATCH_ELEMENTS 8192 -#elif defined(GRAPHICS_API_OPENGL_ES2) - // We reduce memory sizes for embedded systems (RPI and HTML5) - // NOTE: On HTML5 (emscripten) this is allocated on heap, by default it's only 16MB!...just take care... - #define MAX_BATCH_ELEMENTS 2048 +// Default internal render batch limits +#ifndef DEFAULT_BATCH_BUFFER_ELEMENTS + #if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) + // This is the maximum amount of elements (quads) per batch + // NOTE: Be careful with text, every letter maps to a quad + #define DEFAULT_BATCH_BUFFER_ELEMENTS 8192 + #elif defined(GRAPHICS_API_OPENGL_ES2) + // We reduce memory sizes for embedded systems (RPI and HTML5) + // NOTE: On HTML5 (emscripten) this is allocated on heap, + // by default it's only 16MB!...just take care... + #define DEFAULT_BATCH_BUFFER_ELEMENTS 2048 + #endif +#endif +#ifndef DEFAULT_BATCH_BUFFERS + #define DEFAULT_BATCH_BUFFERS 1 // Default number of batch buffers (multi-buffering) +#endif +#ifndef DEFAULT_BATCH_DRAWCALLS + #define DEFAULT_BATCH_DRAWCALLS 256 // Default number of batch draw calls (by state changes: mode, texture) +#endif +#ifndef MAX_BATCH_ACTIVE_TEXTURES + #define MAX_BATCH_ACTIVE_TEXTURES 4 // Maximum number of additional textures that can be activated on batch drawing (SetShaderValueTexture()) #endif -#define MAX_BATCH_BUFFERING 1 // Max number of buffers for batching (multi-buffering) -#define MAX_MATRIX_STACK_SIZE 32 // Max size of Matrix stack -#define MAX_DRAWCALL_REGISTERED 256 // Max draws by state changes (mode, texture) +// Internal Matrix stack +#ifndef MAX_MATRIX_STACK_SIZE + #define MAX_MATRIX_STACK_SIZE 32 // Maximum size of Matrix stack +#endif + +// Shader and material limits +#ifndef MAX_SHADER_LOCATIONS + #define MAX_SHADER_LOCATIONS 32 // Maximum number of shader locations supported +#endif +#ifndef MAX_MATERIAL_MAPS + #define MAX_MATERIAL_MAPS 12 // Maximum number of shader maps supported +#endif + +// Projection matrix culling +#ifndef RL_CULL_DISTANCE_NEAR + #define RL_CULL_DISTANCE_NEAR 0.01 // Default near cull distance +#endif +#ifndef RL_CULL_DISTANCE_FAR + #define RL_CULL_DISTANCE_FAR 1000.0 // Default far cull distance +#endif // Texture parameters (equivalent to OpenGL defines) #define RL_TEXTURE_WRAP_S 0x2802 // GL_TEXTURE_WRAP_S @@ -165,7 +208,29 @@ //---------------------------------------------------------------------------------- typedef enum { OPENGL_11 = 1, OPENGL_21, OPENGL_33, OPENGL_ES_20 } GlVersion; -typedef unsigned char byte; +typedef enum { + RL_ATTACHMENT_COLOR_CHANNEL0 = 0, + RL_ATTACHMENT_COLOR_CHANNEL1, + RL_ATTACHMENT_COLOR_CHANNEL2, + RL_ATTACHMENT_COLOR_CHANNEL3, + RL_ATTACHMENT_COLOR_CHANNEL4, + RL_ATTACHMENT_COLOR_CHANNEL5, + RL_ATTACHMENT_COLOR_CHANNEL6, + RL_ATTACHMENT_COLOR_CHANNEL7, + RL_ATTACHMENT_DEPTH = 100, + RL_ATTACHMENT_STENCIL = 200, +} FramebufferAttachType; + +typedef enum { + RL_ATTACHMENT_CUBEMAP_POSITIVE_X = 0, + RL_ATTACHMENT_CUBEMAP_NEGATIVE_X, + RL_ATTACHMENT_CUBEMAP_POSITIVE_Y, + RL_ATTACHMENT_CUBEMAP_NEGATIVE_Y, + RL_ATTACHMENT_CUBEMAP_POSITIVE_Z, + RL_ATTACHMENT_CUBEMAP_NEGATIVE_Z, + RL_ATTACHMENT_TEXTURE2D = 100, + RL_ATTACHMENT_RENDERBUFFER = 200, +} FramebufferTexType; #if defined(RLGL_STANDALONE) #ifndef __cplusplus @@ -181,32 +246,29 @@ typedef unsigned char byte; unsigned char a; } Color; - // Texture2D type + // Rectangle type + typedef struct Rectangle { + float x; + float y; + float width; + float height; + } Rectangle; + + // Texture type // NOTE: Data stored in GPU memory - typedef struct Texture2D { + typedef struct Texture { unsigned int id; // OpenGL texture id int width; // Texture base width int height; // Texture base height int mipmaps; // Mipmap levels, 1 by default int format; // Data format (PixelFormat) - } Texture2D; - - // Texture type, same as Texture2D - typedef Texture2D Texture; - - // TextureCubemap type, actually, same as Texture2D - typedef Texture2D TextureCubemap; + } Texture; - // RenderTexture2D type, for texture rendering - typedef struct RenderTexture2D { - unsigned int id; // OpenGL framebuffer (fbo) id - Texture2D texture; // Color buffer attachment texture - Texture2D depth; // Depth buffer attachment texture - bool depthTexture; // Track if depth attachment is a texture or renderbuffer - } RenderTexture2D; + // Texture2D type, same as Texture + typedef Texture Texture2D; - // RenderTexture type, same as RenderTexture2D - typedef RenderTexture2D RenderTexture; + // TextureCubemap type, actually, same as Texture + typedef Texture TextureCubemap; // Vertex data definning a mesh typedef struct Mesh { @@ -228,17 +290,13 @@ typedef unsigned char byte; // OpenGL identifiers unsigned int vaoId; // OpenGL Vertex Array Object id - unsigned int vboId[7]; // OpenGL Vertex Buffer Objects id (7 types of vertex data) + unsigned int *vboId; // OpenGL Vertex Buffer Objects id (7 types of vertex data) } Mesh; - // Shader and material limits - #define MAX_SHADER_LOCATIONS 32 - #define MAX_MATERIAL_MAPS 12 - // Shader type (generic) typedef struct Shader { - unsigned int id; // Shader program id - int locs[MAX_SHADER_LOCATIONS]; // Shader locations array + unsigned int id; // Shader program id + int *locs; // Shader locations array (MAX_SHADER_LOCATIONS) } Shader; // Material texture map @@ -251,7 +309,7 @@ typedef unsigned char byte; // Material type (generic) typedef struct Material { Shader shader; // Material shader - MaterialMap maps[MAX_MATERIAL_MAPS]; // Material maps + MaterialMap *maps; // Material maps (MAX_MATERIAL_MAPS) float *params; // Material generic parameters (if required) } Material; @@ -286,7 +344,6 @@ typedef unsigned char byte; int eyeViewportLeft[4]; // VR stereo rendering left eye viewport [x, y, w, h] } VrStereoConfig; - // TraceLog message types typedef enum { LOG_ALL, @@ -338,9 +395,12 @@ typedef unsigned char byte; // Color blending modes (pre-defined) typedef enum { - BLEND_ALPHA = 0, - BLEND_ADDITIVE, - BLEND_MULTIPLIED + BLEND_ALPHA = 0, // Blend textures considering alpha (default) + BLEND_ADDITIVE, // Blend textures adding colors + BLEND_MULTIPLIED, // Blend textures multiplying colors + BLEND_ADD_COLORS, // Blend textures adding colors (alternative) + BLEND_SUBTRACT_COLORS, // Blend textures subtracting colors (alternative) + BLEND_CUSTOM // Belnd textures using custom src/dst factors (use SetBlendModeCustom()) } BlendMode; // Shader location point type @@ -436,7 +496,7 @@ RLAPI void rlVertex2f(float x, float y); // Define one vertex (posi RLAPI void rlVertex3f(float x, float y, float z); // Define one vertex (position) - 3 float RLAPI void rlTexCoord2f(float x, float y); // Define one vertex (texture coordinate) - 2 float RLAPI void rlNormal3f(float x, float y, float z); // Define one vertex (normal) - 3 float -RLAPI void rlColor4ub(byte r, byte g, byte b, byte a); // Define one vertex (color) - 4 byte +RLAPI void rlColor4ub(unsigned char r, unsigned char g, unsigned char b, unsigned char a); // Define one vertex (color) - 4 byte RLAPI void rlColor3f(float x, float y, float z); // Define one vertex (color) - 3 float RLAPI void rlColor4f(float x, float y, float z, float w); // Define one vertex (color) - 4 float @@ -447,20 +507,27 @@ RLAPI void rlColor4f(float x, float y, float z, float w); // Define one vertex ( RLAPI void rlEnableTexture(unsigned int id); // Enable texture usage RLAPI void rlDisableTexture(void); // Disable texture usage RLAPI void rlTextureParameters(unsigned int id, int param, int value); // Set texture parameters (filter, wrap) -RLAPI void rlEnableRenderTexture(unsigned int id); // Enable render texture (fbo) -RLAPI void rlDisableRenderTexture(void); // Disable render texture (fbo), return to default framebuffer +RLAPI void rlEnableShader(unsigned int id); // Enable shader program usage +RLAPI void rlDisableShader(void); // Disable shader program usage +RLAPI void rlEnableFramebuffer(unsigned int id); // Enable render texture (fbo) +RLAPI void rlDisableFramebuffer(void); // Disable render texture (fbo), return to default framebuffer RLAPI void rlEnableDepthTest(void); // Enable depth test RLAPI void rlDisableDepthTest(void); // Disable depth test +RLAPI void rlEnableDepthMask(void); // Enable depth write +RLAPI void rlDisableDepthMask(void); // Disable depth write RLAPI void rlEnableBackfaceCulling(void); // Enable backface culling RLAPI void rlDisableBackfaceCulling(void); // Disable backface culling +RLAPI void rlEnableScissorTest(void); // Enable scissor test +RLAPI void rlDisableScissorTest(void); // Disable scissor test +RLAPI void rlScissor(int x, int y, int width, int height); // Scissor test RLAPI void rlEnableWireMode(void); // Enable wire mode RLAPI void rlDisableWireMode(void); // Disable wire mode -RLAPI void rlDeleteTextures(unsigned int id); // Delete OpenGL texture from GPU -RLAPI void rlDeleteRenderTextures(RenderTexture2D target); // Delete render textures (fbo) from GPU -RLAPI void rlDeleteShader(unsigned int id); // Delete OpenGL shader program from GPU -RLAPI void rlDeleteVertexArrays(unsigned int id); // Unload vertex data (VAO) from GPU memory -RLAPI void rlDeleteBuffers(unsigned int id); // Unload vertex data (VBO) from GPU memory -RLAPI void rlClearColor(byte r, byte g, byte b, byte a); // Clear color buffer with color +RLAPI void rlSetLineWidth(float width); // Set the line drawing width +RLAPI float rlGetLineWidth(void); // Get the line drawing width +RLAPI void rlEnableSmoothLines(void); // Enable line aliasing +RLAPI void rlDisableSmoothLines(void); // Disable line aliasing + +RLAPI void rlClearColor(unsigned char r, unsigned char g, unsigned char b, unsigned char a); // Clear color buffer with color RLAPI void rlClearScreenBuffers(void); // Clear used screen buffers (color and depth) RLAPI void rlUpdateBuffer(int bufferId, void *data, int dataSize); // Update GPU buffer with new data RLAPI unsigned int rlLoadAttribBuffer(unsigned int vaoId, int shaderLoc, void *buffer, int size, bool dynamic); // Load a new attributes buffer @@ -471,18 +538,19 @@ RLAPI unsigned int rlLoadAttribBuffer(unsigned int vaoId, int shaderLoc, void *b RLAPI void rlglInit(int width, int height); // Initialize rlgl (buffers, shaders, textures, states) RLAPI void rlglClose(void); // De-inititialize rlgl (buffers, shaders, textures) RLAPI void rlglDraw(void); // Update and draw default internal buffers +RLAPI void rlCheckErrors(void); // Check and log OpenGL error codes RLAPI int rlGetVersion(void); // Returns current OpenGL version RLAPI bool rlCheckBufferLimit(int vCount); // Check internal buffer overflow for a given number of vertex RLAPI void rlSetDebugMarker(const char *text); // Set debug marker for analysis +RLAPI void rlSetBlendMode(int glSrcFactor, int glDstFactor, int glEquation); // // Set blending mode factor and equation (using OpenGL factors) RLAPI void rlLoadExtensions(void *loader); // Load OpenGL extensions -RLAPI Vector3 rlUnproject(Vector3 source, Matrix proj, Matrix view); // Get world coordinates from screen coordinates // Textures data management RLAPI unsigned int rlLoadTexture(void *data, int width, int height, int format, int mipmapCount); // Load texture in GPU -RLAPI unsigned int rlLoadTextureDepth(int width, int height, int bits, bool useRenderBuffer); // Load depth texture/renderbuffer (to be attached to fbo) +RLAPI unsigned int rlLoadTextureDepth(int width, int height, bool useRenderBuffer); // Load depth texture/renderbuffer (to be attached to fbo) RLAPI unsigned int rlLoadTextureCubemap(void *data, int size, int format); // Load texture cubemap -RLAPI void rlUpdateTexture(unsigned int id, int width, int height, int format, const void *data); // Update GPU texture with new data +RLAPI void rlUpdateTexture(unsigned int id, int offsetX, int offsetY, int width, int height, int format, const void *data); // Update GPU texture with new data RLAPI void rlGetGlTextureFormats(int format, unsigned int *glInternalFormat, unsigned int *glFormat, unsigned int *glType); // Get OpenGL internal formats RLAPI void rlUnloadTexture(unsigned int id); // Unload texture from GPU memory @@ -490,16 +558,19 @@ RLAPI void rlGenerateMipmaps(Texture2D *texture); // Gen RLAPI void *rlReadTexturePixels(Texture2D texture); // Read texture pixel data RLAPI unsigned char *rlReadScreenPixels(int width, int height); // Read screen pixel data (color buffer) -// Render texture management (fbo) -RLAPI RenderTexture2D rlLoadRenderTexture(int width, int height, int format, int depthBits, bool useDepthTexture); // Load a render texture (with color and depth attachments) -RLAPI void rlRenderTextureAttach(RenderTexture target, unsigned int id, int attachType); // Attach texture/renderbuffer to an fbo -RLAPI bool rlRenderTextureComplete(RenderTexture target); // Verify render texture is complete +// Framebuffer management (fbo) +RLAPI unsigned int rlLoadFramebuffer(int width, int height); // Load an empty framebuffer +RLAPI void rlFramebufferAttach(unsigned int fboId, unsigned int texId, int attachType, int texType); // Attach texture/renderbuffer to a framebuffer +RLAPI bool rlFramebufferComplete(unsigned int id); // Verify framebuffer is complete +RLAPI void rlUnloadFramebuffer(unsigned int id); // Delete framebuffer from GPU // Vertex data management RLAPI void rlLoadMesh(Mesh *mesh, bool dynamic); // Upload vertex data into GPU and provided VAO/VBO ids -RLAPI void rlUpdateMesh(Mesh mesh, int buffer, int numVertex); // Update vertex data on GPU (upload new data to one buffer) +RLAPI void rlUpdateMesh(Mesh mesh, int buffer, int count); // Update vertex or index data on GPU (upload new data to one buffer) +RLAPI void rlUpdateMeshAt(Mesh mesh, int buffer, int count, int index); // Update vertex or index data on GPU, at index RLAPI void rlDrawMesh(Mesh mesh, Material material, Matrix transform); // Draw a 3d mesh with material and transform -RLAPI void rlUnloadMesh(Mesh *mesh); // Unload mesh data from CPU and GPU +RLAPI void rlDrawMeshInstanced(Mesh mesh, Material material, Matrix *transforms, int count); // Draw a 3d mesh with material and transform +RLAPI void rlUnloadMesh(Mesh mesh); // Unload mesh data from CPU and GPU // NOTE: There is a set of shader related functions that are available to end user, // to avoid creating function wrappers through core module, they have been directly declared in raylib.h @@ -510,28 +581,30 @@ RLAPI void rlUnloadMesh(Mesh *mesh); // Unl // NOTE: This functions are useless when using OpenGL 1.1 //------------------------------------------------------------------------------------ // Shader loading/unloading functions -RLAPI char *LoadText(const char *fileName); // Load chars array from text file RLAPI Shader LoadShader(const char *vsFileName, const char *fsFileName); // Load shader from files and bind default locations -RLAPI Shader LoadShaderCode(char *vsCode, char *fsCode); // Load shader from code strings and bind default locations +RLAPI Shader LoadShaderCode(const char *vsCode, const char *fsCode); // Load shader from code strings and bind default locations RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM) RLAPI Shader GetShaderDefault(void); // Get default shader RLAPI Texture2D GetTextureDefault(void); // Get default texture +RLAPI Texture2D GetShapesTexture(void); // Get texture to draw shapes +RLAPI Rectangle GetShapesTextureRec(void); // Get texture rectangle to draw shapes // Shader configuration functions RLAPI int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location +RLAPI int GetShaderLocationAttrib(Shader shader, const char *attribName); // Get shader attribute location RLAPI void SetShaderValue(Shader shader, int uniformLoc, const void *value, int uniformType); // Set shader uniform value RLAPI void SetShaderValueV(Shader shader, int uniformLoc, const void *value, int uniformType, int count); // Set shader uniform value vector RLAPI void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // Set shader uniform value (matrix 4x4) RLAPI void SetMatrixProjection(Matrix proj); // Set a custom projection matrix (replaces internal projection matrix) RLAPI void SetMatrixModelview(Matrix view); // Set a custom modelview matrix (replaces internal modelview matrix) -RLAPI Matrix GetMatrixModelview(); // Get internal modelview matrix +RLAPI Matrix GetMatrixModelview(void); // Get internal modelview matrix // Texture maps generation (PBR) // NOTE: Required shaders should be provided -RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size); // Generate cubemap texture from HDR texture -RLAPI Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size); // Generate irradiance texture using cubemap data -RLAPI Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size); // Generate prefilter texture using cubemap data +RLAPI TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format); // Generate cubemap texture from 2D panorama texture +RLAPI TextureCubemap GenTextureIrradiance(Shader shader, TextureCubemap cubemap, int size); // Generate irradiance texture using cubemap data +RLAPI TextureCubemap GenTexturePrefilter(Shader shader, TextureCubemap cubemap, int size); // Generate prefilter texture using cubemap data RLAPI Texture2D GenTextureBRDF(Shader shader, int size); // Generate BRDF texture using cubemap data // Shading begin/end functions @@ -550,7 +623,7 @@ RLAPI void ToggleVrMode(void); // Enable/Disable VR exp RLAPI void BeginVrDrawing(void); // Begin VR simulator stereo rendering RLAPI void EndVrDrawing(void); // End VR simulator stereo rendering -RLAPI void TraceLog(int msgType, const char *text, ...); // Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG) +RLAPI char *LoadFileText(const char *fileName); // Load chars array from text file RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data size in bytes (image or texture) #endif @@ -568,25 +641,23 @@ RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data #if defined(RLGL_IMPLEMENTATION) -#if !defined(RLGL_STANDALONE) +#if defined(RLGL_STANDALONE) + #include <stdio.h> // Required for: fopen(), fseek(), fread(), fclose() [LoadFileText] +#else // Check if config flags have been externally provided on compilation line #if !defined(EXTERNAL_CONFIG_FLAGS) - #include "config.h" // Defines module configuration flags + #include "config.h" // Defines module configuration flags #endif + #include "raymath.h" // Required for: Vector3 and Matrix functions #endif -#include <stdio.h> // Required for: fopen(), fclose(), fread()... [Used only on LoadText()] -#include <stdlib.h> // Required for: malloc(), free(), rand() -#include <string.h> // Required for: strcmp(), strlen(), strtok() [Used only in extensions loading] -#include <math.h> // Required for: atan2() - -#if !defined(RLGL_STANDALONE) - #include "raymath.h" // Required for: Vector3 and Matrix functions -#endif +#include <stdlib.h> // Required for: malloc(), free() +#include <string.h> // Required for: strcmp(), strlen() [Used in rlglInit(), on extensions loading] +#include <math.h> // Required for: atan2f() #if defined(GRAPHICS_API_OPENGL_11) #if defined(__APPLE__) - #include <OpenGL/gl.h> // OpenGL 1.1 library for OSX + #include <OpenGL/gl.h> // OpenGL 1.1 library for OSX #include <OpenGL/glext.h> #else // APIENTRY for OpenGL function pointer declarations is required @@ -615,6 +686,9 @@ RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data #include <OpenGL/gl3.h> // OpenGL 3 library for OSX #include <OpenGL/gl3ext.h> // OpenGL 3 extensions library for OSX #else + #define GLAD_REALLOC RL_REALLOC + #define GLAD_FREE RL_FREE + #define GLAD_IMPLEMENTATION #if defined(RLGL_STANDALONE) #include "glad.h" // GLAD extensions loading library, includes OpenGL headers @@ -625,15 +699,12 @@ RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data #endif #if defined(GRAPHICS_API_OPENGL_ES2) + #define GL_GLEXT_PROTOTYPES #include <EGL/egl.h> // EGL library #include <GLES2/gl2.h> // OpenGL ES 2.0 library #include <GLES2/gl2ext.h> // OpenGL ES 2.0 extensions library #endif -#if defined(RLGL_STANDALONE) - #include <stdarg.h> // Required for: va_list, va_start(), vfprintf(), va_end() [Used only on TraceLog()] -#endif - //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- @@ -678,7 +749,6 @@ RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data #ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF #endif - #ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT #define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE #endif @@ -688,62 +758,88 @@ RLAPI int GetPixelDataSize(int width, int height, int format);// Get pixel data #define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 #define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 #endif - #if defined(GRAPHICS_API_OPENGL_21) #define GL_LUMINANCE 0x1909 #define GL_LUMINANCE_ALPHA 0x190A #endif #if defined(GRAPHICS_API_OPENGL_ES2) - #define glClearDepth glClearDepthf + #define glClearDepth glClearDepthf #define GL_READ_FRAMEBUFFER GL_FRAMEBUFFER #define GL_DRAW_FRAMEBUFFER GL_FRAMEBUFFER #endif -// Default vertex attribute names on shader to set location points -#define DEFAULT_ATTRIB_POSITION_NAME "vertexPosition" // shader-location = 0 -#define DEFAULT_ATTRIB_TEXCOORD_NAME "vertexTexCoord" // shader-location = 1 -#define DEFAULT_ATTRIB_NORMAL_NAME "vertexNormal" // shader-location = 2 -#define DEFAULT_ATTRIB_COLOR_NAME "vertexColor" // shader-location = 3 -#define DEFAULT_ATTRIB_TANGENT_NAME "vertexTangent" // shader-location = 4 -#define DEFAULT_ATTRIB_TEXCOORD2_NAME "vertexTexCoord2" // shader-location = 5 +// Default shader vertex attribute names to set location points +#ifndef DEFAULT_SHADER_ATTRIB_NAME_POSITION + #define DEFAULT_SHADER_ATTRIB_NAME_POSITION "vertexPosition" // Binded by default to shader location: 0 +#endif +#ifndef DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD + #define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD "vertexTexCoord" // Binded by default to shader location: 1 +#endif +#ifndef DEFAULT_SHADER_ATTRIB_NAME_NORMAL + #define DEFAULT_SHADER_ATTRIB_NAME_NORMAL "vertexNormal" // Binded by default to shader location: 2 +#endif +#ifndef DEFAULT_SHADER_ATTRIB_NAME_COLOR + #define DEFAULT_SHADER_ATTRIB_NAME_COLOR "vertexColor" // Binded by default to shader location: 3 +#endif +#ifndef DEFAULT_SHADER_ATTRIB_NAME_TANGENT + #define DEFAULT_SHADER_ATTRIB_NAME_TANGENT "vertexTangent" // Binded by default to shader location: 4 +#endif +#ifndef DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 + #define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 "vertexTexCoord2" // Binded by default to shader location: 5 +#endif //---------------------------------------------------------------------------------- // Types and Structures Definition //---------------------------------------------------------------------------------- // Dynamic vertex buffers (position + texcoords + colors + indices arrays) -typedef struct DynamicBuffer { - int vCounter; // vertex position counter to process (and draw) from full buffer - int tcCounter; // vertex texcoord counter to process (and draw) from full buffer - int cCounter; // vertex color counter to process (and draw) from full buffer - float *vertices; // vertex position (XYZ - 3 components per vertex) (shader-location = 0) - float *texcoords; // vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1) - unsigned char *colors; // vertex colors (RGBA - 4 components per vertex) (shader-location = 3) +typedef struct VertexBuffer { + int elementsCount; // Number of elements in the buffer (QUADS) + + int vCounter; // Vertex position counter to process (and draw) from full buffer + int tcCounter; // Vertex texcoord counter to process (and draw) from full buffer + int cCounter; // Vertex color counter to process (and draw) from full buffer + + float *vertices; // Vertex position (XYZ - 3 components per vertex) (shader-location = 0) + float *texcoords; // Vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1) + unsigned char *colors; // Vertex colors (RGBA - 4 components per vertex) (shader-location = 3) #if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) - unsigned int *indices; // vertex indices (in case vertex data comes indexed) (6 indices per quad) + unsigned int *indices; // Vertex indices (in case vertex data comes indexed) (6 indices per quad) #elif defined(GRAPHICS_API_OPENGL_ES2) - unsigned short *indices; // vertex indices (in case vertex data comes indexed) (6 indices per quad) - // NOTE: 6*2 byte = 12 byte, not alignment problem! + unsigned short *indices; // Vertex indices (in case vertex data comes indexed) (6 indices per quad) #endif unsigned int vaoId; // OpenGL Vertex Array Object id unsigned int vboId[4]; // OpenGL Vertex Buffer Objects id (4 types of vertex data) -} DynamicBuffer; +} VertexBuffer; // Draw call type +// NOTE: Only texture changes register a new draw, other state-change-related elements are not +// used at this moment (vaoId, shaderId, matrices), raylib just forces a batch draw call if any +// of those state-change happens (this is done in core module) typedef struct DrawCall { int mode; // Drawing mode: LINES, TRIANGLES, QUADS int vertexCount; // Number of vertex of the draw int vertexAlignment; // Number of vertex required for index alignment (LINES, TRIANGLES) - //unsigned int vaoId; // Vertex Array id to be used on the draw - //unsigned int shaderId; // Shader id to be used on the draw - unsigned int textureId; // Texture id to be used on the draw - // TODO: Support additional texture units? + //unsigned int vaoId; // Vertex array id to be used on the draw -> Using RLGL.currentBatch->vertexBuffer.vaoId + //unsigned int shaderId; // Shader id to be used on the draw -> Using RLGL.currentShader.id + unsigned int textureId; // Texture id to be used on the draw -> Use to create new draw call if changes - //Matrix projection; // Projection matrix for this draw - //Matrix modelview; // Modelview matrix for this draw + //Matrix projection; // Projection matrix for this draw -> Using RLGL.projection + //Matrix modelview; // Modelview matrix for this draw -> Using RLGL.modelview } DrawCall; +// RenderBatch type +typedef struct RenderBatch { + int buffersCount; // Number of vertex buffers (multi-buffering support) + int currentBuffer; // Current buffer tracking in case of multi-buffering + VertexBuffer *vertexBuffer; // Dynamic buffer(s) for vertex data + + DrawCall *draws; // Draw calls array, depends on textureId + int drawsCounter; // Draw calls counter + float currentDepth; // Current depth value for next draw +} RenderBatch; + #if defined(SUPPORT_VR_SIMULATOR) // VR Stereo rendering configuration for simulator typedef struct VrStereoConfig { @@ -755,92 +851,83 @@ typedef struct VrStereoConfig { } VrStereoConfig; #endif +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) +typedef struct rlglData { + RenderBatch *currentBatch; // Current render batch + RenderBatch defaultBatch; // Default internal render batch + + struct { + int currentMatrixMode; // Current matrix mode + Matrix *currentMatrix; // Current matrix pointer + Matrix modelview; // Default modelview matrix + Matrix projection; // Default projection matrix + Matrix transform; // Transform matrix to be used with rlTranslate, rlRotate, rlScale + bool transformRequired; // Require transform matrix application to current draw-call vertex (if required) + Matrix stack[MAX_MATRIX_STACK_SIZE];// Matrix stack for push/pop + int stackCounter; // Matrix stack counter + + Texture2D shapesTexture; // Texture used on shapes drawing (usually a white pixel) + Rectangle shapesTextureRec; // Texture source rectangle used on shapes drawing + unsigned int defaultTextureId; // Default texture used on shapes/poly drawing (required by shader) + unsigned int activeTextureId[4]; // Active texture ids to be enabled on batch drawing (0 active by default) + unsigned int defaultVShaderId; // Default vertex shader id (used by default shader program) + unsigned int defaultFShaderId; // Default fragment shader Id (used by default shader program) + Shader defaultShader; // Basic shader, support vertex color and diffuse texture + Shader currentShader; // Shader to be used on rendering (by default, defaultShader) + + int currentBlendMode; // Blending mode active + int glBlendSrcFactor; // Blending source factor + int glBlendDstFactor; // Blending destination factor + int glBlendEquation; // Blending equation + + int framebufferWidth; // Default framebuffer width + int framebufferHeight; // Default framebuffer height + + } State; + struct { + bool vao; // VAO support (OpenGL ES2 could not support VAO extension) + bool texNPOT; // NPOT textures full support + bool texDepth; // Depth textures supported + bool texFloat32; // float textures support (32 bit per channel) + bool texCompDXT; // DDS texture compression support + bool texCompETC1; // ETC1 texture compression support + bool texCompETC2; // ETC2/EAC texture compression support + bool texCompPVRT; // PVR texture compression support + bool texCompASTC; // ASTC texture compression support + bool texMirrorClamp; // Clamp mirror wrap mode supported + bool texAnisoFilter; // Anisotropic texture filtering support + bool debugMarker; // Debug marker support + + float maxAnisotropicLevel; // Maximum anisotropy level supported (minimum is 2.0f) + int maxDepthBits; // Maximum bits for depth component + + } ExtSupported; // Extensions supported flags +#if defined(SUPPORT_VR_SIMULATOR) + struct { + VrStereoConfig config; // VR stereo configuration for simulator + unsigned int stereoFboId; // VR stereo rendering framebuffer id + unsigned int stereoTexId; // VR stereo color texture (attached to framebuffer) + bool simulatorReady; // VR simulator ready flag + bool stereoRender; // VR stereo rendering enabled/disabled flag + } Vr; +#endif // SUPPORT_VR_SIMULATOR +} rlglData; +#endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 + //---------------------------------------------------------------------------------- // Global Variables Definition //---------------------------------------------------------------------------------- #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) -static Matrix stack[MAX_MATRIX_STACK_SIZE] = { 0 }; -static int stackCounter = 0; - -static Matrix modelview = { 0 }; -static Matrix projection = { 0 }; -static Matrix *currentMatrix = NULL; -static int currentMatrixMode = -1; -static float currentDepth = -1.0f; - -// Default dynamic buffer for elements data -// NOTE: A multi-buffering system is supported -static DynamicBuffer vertexData[MAX_BATCH_BUFFERING] = { 0 }; -static int currentBuffer = 0; - -// Transform matrix to be used with rlTranslate, rlRotate, rlScale -static Matrix transformMatrix = { 0 }; -static bool useTransformMatrix = false; - -// Default buffers draw calls -static DrawCall *draws = NULL; -static int drawsCounter = 0; - -// Default texture (1px white) useful for plain color polys (required by shader) -static unsigned int defaultTextureId; - -// Default shaders -static unsigned int defaultVShaderId; // Default vertex shader id (used by default shader program) -static unsigned int defaultFShaderId; // Default fragment shader Id (used by default shader program) - -static Shader defaultShader; // Basic shader, support vertex color and diffuse texture -static Shader currentShader; // Shader to be used on rendering (by default, defaultShader) - -// Extension supported flag: VAO -static bool vaoSupported = false; // VAO support (OpenGL ES2 could not support VAO extension) - -// Extension supported flag: Compressed textures -static bool texCompDXTSupported = false; // DDS texture compression support -static bool texCompETC1Supported = false; // ETC1 texture compression support -static bool texCompETC2Supported = false; // ETC2/EAC texture compression support -static bool texCompPVRTSupported = false; // PVR texture compression support -static bool texCompASTCSupported = false; // ASTC texture compression support - -// Extension supported flag: Textures format -static bool texNPOTSupported = false; // NPOT textures full support -static bool texFloatSupported = false; // float textures support (32 bit per channel) -static bool texDepthSupported = false; // Depth textures supported -static int maxDepthBits = 16; // Maximum bits for depth component - -// Extension supported flag: Clamp mirror wrap mode -static bool texMirrorClampSupported = false; // Clamp mirror wrap mode supported - -// Extension supported flag: Anisotropic filtering -static bool texAnisotropicFilterSupported = false; // Anisotropic texture filtering support -static float maxAnisotropicLevel = 0.0f; // Maximum anisotropy level supported (minimum is 2.0f) - -static bool debugMarkerSupported = false; // Debug marker support +static rlglData RLGL = { 0 }; +#endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 #if defined(GRAPHICS_API_OPENGL_ES2) // NOTE: VAO functionality is exposed through extensions (OES) -static PFNGLGENVERTEXARRAYSOESPROC glGenVertexArrays; -static PFNGLBINDVERTEXARRAYOESPROC glBindVertexArray; -static PFNGLDELETEVERTEXARRAYSOESPROC glDeleteVertexArrays; -//static PFNGLISVERTEXARRAYOESPROC glIsVertexArray; // NOTE: Fails in WebGL, omitted +static PFNGLGENVERTEXARRAYSOESPROC glGenVertexArrays; // Entry point pointer to function glGenVertexArrays() +static PFNGLBINDVERTEXARRAYOESPROC glBindVertexArray; // Entry point pointer to function glBindVertexArray() +static PFNGLDELETEVERTEXARRAYSOESPROC glDeleteVertexArrays; // Entry point pointer to function glDeleteVertexArrays() #endif -#if defined(SUPPORT_VR_SIMULATOR) -// VR global variables -static VrStereoConfig vrConfig = { 0 }; // VR stereo configuration for simulator -static RenderTexture2D stereoFbo; // VR stereo rendering framebuffer -static bool vrSimulatorReady = false; // VR simulator ready flag -static bool vrStereoRender = false; // VR stereo rendering enabled/disabled flag - // NOTE: This flag is useful to render data over stereo image (i.e. FPS) -#endif // SUPPORT_VR_SIMULATOR - -#endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 - -static int blendMode = 0; // Track current blending mode - -// Default framebuffer size -static int screenWidth; // Default framebuffer width -static int screenHeight; // Default framebuffer height - //---------------------------------------------------------------------------------- // Module specific Functions Declaration //---------------------------------------------------------------------------------- @@ -848,14 +935,16 @@ static int screenHeight; // Default framebuffer height static unsigned int CompileShader(const char *shaderStr, int type); // Compile custom shader and return shader id static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShaderId); // Load custom shader program -static Shader LoadShaderDefault(void); // Load default shader (just vertex positioning and texture coloring) -static void SetShaderDefaultLocations(Shader *shader); // Bind default shader locations (attributes and uniforms) -static void UnloadShaderDefault(void); // Unload default shader +static Shader LoadShaderDefault(void); // Load default shader (just vertex positioning and texture coloring) +static void SetShaderDefaultLocations(Shader *shader); // Bind default shader locations (attributes and uniforms) +static void UnloadShaderDefault(void); // Unload default shader -static void LoadBuffersDefault(void); // Load default internal buffers -static void UpdateBuffersDefault(void); // Update default internal buffers (VAOs/VBOs) with vertex data -static void DrawBuffersDefault(void); // Draw default internal buffers vertex data -static void UnloadBuffersDefault(void); // Unload default internal buffers vertex data from CPU and GPU +static RenderBatch LoadRenderBatch(int numBuffers, int bufferElements); // Load a render batch system +static void UnloadRenderBatch(RenderBatch batch); // Unload render batch system +static void DrawRenderBatch(RenderBatch *batch); // Draw render batch data (Update->Draw->Reset) +static void SetRenderBatchActive(RenderBatch *batch); // Set the active render batch for rlgl +static void SetRenderBatchDefault(void); // Set default render batch for rlgl +//static bool CheckRenderBatchLimit(RenderBatch batch, int vCount); // Check render batch vertex buffer limits static void GenDrawCube(void); // Generate and draw cube static void GenDrawQuad(void); // Generate and draw quad @@ -913,49 +1002,49 @@ void rlMultMatrixf(float *matf) { glMultMatrixf(matf); } // Choose the current matrix to be transformed void rlMatrixMode(int mode) { - if (mode == RL_PROJECTION) currentMatrix = &projection; - else if (mode == RL_MODELVIEW) currentMatrix = &modelview; + if (mode == RL_PROJECTION) RLGL.State.currentMatrix = &RLGL.State.projection; + else if (mode == RL_MODELVIEW) RLGL.State.currentMatrix = &RLGL.State.modelview; //else if (mode == RL_TEXTURE) // Not supported - currentMatrixMode = mode; + RLGL.State.currentMatrixMode = mode; } -// Push the current matrix into stack +// Push the current matrix into RLGL.State.stack void rlPushMatrix(void) { - if (stackCounter >= MAX_MATRIX_STACK_SIZE) TraceLog(LOG_ERROR, "Matrix stack overflow"); + if (RLGL.State.stackCounter >= MAX_MATRIX_STACK_SIZE) TRACELOG(LOG_ERROR, "RLGL: Matrix stack overflow (MAX_MATRIX_STACK_SIZE)"); - if (currentMatrixMode == RL_MODELVIEW) + if (RLGL.State.currentMatrixMode == RL_MODELVIEW) { - useTransformMatrix = true; - currentMatrix = &transformMatrix; + RLGL.State.transformRequired = true; + RLGL.State.currentMatrix = &RLGL.State.transform; } - stack[stackCounter] = *currentMatrix; - stackCounter++; + RLGL.State.stack[RLGL.State.stackCounter] = *RLGL.State.currentMatrix; + RLGL.State.stackCounter++; } -// Pop lattest inserted matrix from stack +// Pop lattest inserted matrix from RLGL.State.stack void rlPopMatrix(void) { - if (stackCounter > 0) + if (RLGL.State.stackCounter > 0) { - Matrix mat = stack[stackCounter - 1]; - *currentMatrix = mat; - stackCounter--; + Matrix mat = RLGL.State.stack[RLGL.State.stackCounter - 1]; + *RLGL.State.currentMatrix = mat; + RLGL.State.stackCounter--; } - if ((stackCounter == 0) && (currentMatrixMode == RL_MODELVIEW)) + if ((RLGL.State.stackCounter == 0) && (RLGL.State.currentMatrixMode == RL_MODELVIEW)) { - currentMatrix = &modelview; - useTransformMatrix = false; + RLGL.State.currentMatrix = &RLGL.State.modelview; + RLGL.State.transformRequired = false; } } // Reset current matrix to identity matrix void rlLoadIdentity(void) { - *currentMatrix = MatrixIdentity(); + *RLGL.State.currentMatrix = MatrixIdentity(); } // Multiply the current matrix by a translation matrix @@ -964,7 +1053,7 @@ void rlTranslatef(float x, float y, float z) Matrix matTranslation = MatrixTranslate(x, y, z); // NOTE: We transpose matrix with multiplication order - *currentMatrix = MatrixMultiply(matTranslation, *currentMatrix); + *RLGL.State.currentMatrix = MatrixMultiply(matTranslation, *RLGL.State.currentMatrix); } // Multiply the current matrix by a rotation matrix @@ -976,7 +1065,7 @@ void rlRotatef(float angleDeg, float x, float y, float z) matRotation = MatrixRotate(Vector3Normalize(axis), angleDeg*DEG2RAD); // NOTE: We transpose matrix with multiplication order - *currentMatrix = MatrixMultiply(matRotation, *currentMatrix); + *RLGL.State.currentMatrix = MatrixMultiply(matRotation, *RLGL.State.currentMatrix); } // Multiply the current matrix by a scaling matrix @@ -985,7 +1074,7 @@ void rlScalef(float x, float y, float z) Matrix matScale = MatrixScale(x, y, z); // NOTE: We transpose matrix with multiplication order - *currentMatrix = MatrixMultiply(matScale, *currentMatrix); + *RLGL.State.currentMatrix = MatrixMultiply(matScale, *RLGL.State.currentMatrix); } // Multiply the current matrix by another matrix @@ -997,7 +1086,7 @@ void rlMultMatrixf(float *matf) matf[2], matf[6], matf[10], matf[14], matf[3], matf[7], matf[11], matf[15] }; - *currentMatrix = MatrixMultiply(*currentMatrix, mat); + *RLGL.State.currentMatrix = MatrixMultiply(*RLGL.State.currentMatrix, mat); } // Multiply the current matrix by a perspective matrix generated by parameters @@ -1005,7 +1094,7 @@ void rlFrustum(double left, double right, double bottom, double top, double znea { Matrix matPerps = MatrixFrustum(left, right, bottom, top, znear, zfar); - *currentMatrix = MatrixMultiply(*currentMatrix, matPerps); + *RLGL.State.currentMatrix = MatrixMultiply(*RLGL.State.currentMatrix, matPerps); } // Multiply the current matrix by an orthographic matrix generated by parameters @@ -1013,13 +1102,12 @@ void rlOrtho(double left, double right, double bottom, double top, double znear, { Matrix matOrtho = MatrixOrtho(left, right, bottom, top, znear, zfar); - *currentMatrix = MatrixMultiply(*currentMatrix, matOrtho); + *RLGL.State.currentMatrix = MatrixMultiply(*RLGL.State.currentMatrix, matOrtho); } #endif // Set the viewport area (transformation from normalized device coordinates to window coordinates) -// NOTE: Updates global variables: screenWidth, screenHeight void rlViewport(int x, int y, int width, int height) { glViewport(x, y, width, height); @@ -1049,7 +1137,7 @@ void rlVertex2f(float x, float y) { glVertex2f(x, y); } void rlVertex3f(float x, float y, float z) { glVertex3f(x, y, z); } void rlTexCoord2f(float x, float y) { glTexCoord2f(x, y); } void rlNormal3f(float x, float y, float z) { glNormal3f(x, y, z); } -void rlColor4ub(byte r, byte g, byte b, byte a) { glColor4ub(r, g, b, a); } +void rlColor4ub(unsigned char r, unsigned char g, unsigned char b, unsigned char a) { glColor4ub(r, g, b, a); } void rlColor3f(float x, float y, float z) { glColor3f(x, y, z); } void rlColor4f(float x, float y, float z, float w) { glColor4f(x, y, z, w); } @@ -1060,34 +1148,36 @@ void rlBegin(int mode) { // Draw mode can be RL_LINES, RL_TRIANGLES and RL_QUADS // NOTE: In all three cases, vertex are accumulated over default internal vertex buffer - if (draws[drawsCounter - 1].mode != mode) + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode != mode) { - if (draws[drawsCounter - 1].vertexCount > 0) + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount > 0) { - // Make sure current draws[i].vertexCount is aligned a multiple of 4, + // Make sure current RLGL.currentBatch->draws[i].vertexCount is aligned a multiple of 4, // that way, following QUADS drawing will keep aligned with index processing // It implies adding some extra alignment vertex at the end of the draw, // those vertex are not processed but they are considered as an additional offset // for the next set of vertex to be drawn - if (draws[drawsCounter - 1].mode == RL_LINES) draws[drawsCounter - 1].vertexAlignment = ((draws[drawsCounter - 1].vertexCount < 4)? draws[drawsCounter - 1].vertexCount : draws[drawsCounter - 1].vertexCount%4); - else if (draws[drawsCounter - 1].mode == RL_TRIANGLES) draws[drawsCounter - 1].vertexAlignment = ((draws[drawsCounter - 1].vertexCount < 4)? 1 : (4 - (draws[drawsCounter - 1].vertexCount%4))); + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount%4); + else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode == RL_TRIANGLES) RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount < 4)? 1 : (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount%4))); + + else RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = 0; - if (rlCheckBufferLimit(draws[drawsCounter - 1].vertexAlignment)) rlglDraw(); + if (rlCheckBufferLimit(RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment)) DrawRenderBatch(RLGL.currentBatch); else { - vertexData[currentBuffer].vCounter += draws[drawsCounter - 1].vertexAlignment; - vertexData[currentBuffer].cCounter += draws[drawsCounter - 1].vertexAlignment; - vertexData[currentBuffer].tcCounter += draws[drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; - drawsCounter++; + RLGL.currentBatch->drawsCounter++; } } - if (drawsCounter >= MAX_DRAWCALL_REGISTERED) rlglDraw(); + if (RLGL.currentBatch->drawsCounter >= DEFAULT_BATCH_DRAWCALLS) DrawRenderBatch(RLGL.currentBatch); - draws[drawsCounter - 1].mode = mode; - draws[drawsCounter - 1].vertexCount = 0; - draws[drawsCounter - 1].textureId = defaultTextureId; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode = mode; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount = 0; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].textureId = RLGL.State.defaultTextureId; } } @@ -1098,30 +1188,30 @@ void rlEnd(void) // NOTE: In OpenGL 1.1, one glColor call can be made for all the subsequent glVertex calls // Make sure colors count match vertex count - if (vertexData[currentBuffer].vCounter != vertexData[currentBuffer].cCounter) + if (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter != RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter) { - int addColors = vertexData[currentBuffer].vCounter - vertexData[currentBuffer].cCounter; + int addColors = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter; for (int i = 0; i < addColors; i++) { - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter] = vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter - 4]; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 1] = vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter - 3]; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 2] = vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter - 2]; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 3] = vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter - 1]; - vertexData[currentBuffer].cCounter++; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter] = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter - 4]; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 1] = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter - 3]; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 2] = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter - 2]; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 3] = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter - 1]; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter++; } } // Make sure texcoords count match vertex count - if (vertexData[currentBuffer].vCounter != vertexData[currentBuffer].tcCounter) + if (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter != RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter) { - int addTexCoords = vertexData[currentBuffer].vCounter - vertexData[currentBuffer].tcCounter; + int addTexCoords = RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter; for (int i = 0; i < addTexCoords; i++) { - vertexData[currentBuffer].texcoords[2*vertexData[currentBuffer].tcCounter] = 0.0f; - vertexData[currentBuffer].texcoords[2*vertexData[currentBuffer].tcCounter + 1] = 0.0f; - vertexData[currentBuffer].tcCounter++; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter] = 0.0f; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter + 1] = 0.0f; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter++; } } @@ -1130,17 +1220,17 @@ void rlEnd(void) // NOTE: Depth increment is dependant on rlOrtho(): z-near and z-far values, // as well as depth buffer bit-depth (16bit or 24bit or 32bit) // Correct increment formula would be: depthInc = (zfar - znear)/pow(2, bits) - currentDepth += (1.0f/20000.0f); + RLGL.currentBatch->currentDepth += (1.0f/20000.0f); // Verify internal buffers limits // NOTE: This check is combined with usage of rlCheckBufferLimit() - if ((vertexData[currentBuffer].vCounter) >= (MAX_BATCH_ELEMENTS*4 - 4)) + if ((RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter) >= (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementsCount*4 - 4)) { - // WARNING: If we are between rlPushMatrix() and rlPopMatrix() and we need to force a rlglDraw(), - // we need to call rlPopMatrix() before to recover *currentMatrix (modelview) for the next forced draw call! - // Also noted that if we had multiple matrix pushed, it will require "stackCounter" pops before launching the draw - rlPopMatrix(); - rlglDraw(); + // WARNING: If we are between rlPushMatrix() and rlPopMatrix() and we need to force a DrawRenderBatch(), + // we need to call rlPopMatrix() before to recover *RLGL.State.currentMatrix (RLGL.State.modelview) for the next forced draw call! + // If we have multiple matrix pushed, it will require "RLGL.State.stackCounter" pops before launching the draw + for (int i = RLGL.State.stackCounter; i >= 0; i--) rlPopMatrix(); + DrawRenderBatch(RLGL.currentBatch); } } @@ -1151,40 +1241,40 @@ void rlVertex3f(float x, float y, float z) Vector3 vec = { x, y, z }; // Transform provided vector if required - if (useTransformMatrix) vec = Vector3Transform(vec, transformMatrix); + if (RLGL.State.transformRequired) vec = Vector3Transform(vec, RLGL.State.transform); - // Verify that MAX_BATCH_ELEMENTS limit not reached - if (vertexData[currentBuffer].vCounter < (MAX_BATCH_ELEMENTS*4)) + // Verify that current vertex buffer elements limit has not been reached + if (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter < (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementsCount*4)) { - vertexData[currentBuffer].vertices[3*vertexData[currentBuffer].vCounter] = vec.x; - vertexData[currentBuffer].vertices[3*vertexData[currentBuffer].vCounter + 1] = vec.y; - vertexData[currentBuffer].vertices[3*vertexData[currentBuffer].vCounter + 2] = vec.z; - vertexData[currentBuffer].vCounter++; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter] = vec.x; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter + 1] = vec.y; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter + 2] = vec.z; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter++; - draws[drawsCounter - 1].vertexCount++; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount++; } - else TraceLog(LOG_ERROR, "MAX_BATCH_ELEMENTS overflow"); + else TRACELOG(LOG_ERROR, "RLGL: Batch elements overflow"); } // Define one vertex (position) void rlVertex2f(float x, float y) { - rlVertex3f(x, y, currentDepth); + rlVertex3f(x, y, RLGL.currentBatch->currentDepth); } // Define one vertex (position) void rlVertex2i(int x, int y) { - rlVertex3f((float)x, (float)y, currentDepth); + rlVertex3f((float)x, (float)y, RLGL.currentBatch->currentDepth); } // Define one vertex (texture coordinate) // NOTE: Texture coordinates are limited to QUADS only void rlTexCoord2f(float x, float y) { - vertexData[currentBuffer].texcoords[2*vertexData[currentBuffer].tcCounter] = x; - vertexData[currentBuffer].texcoords[2*vertexData[currentBuffer].tcCounter + 1] = y; - vertexData[currentBuffer].tcCounter++; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter] = x; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter + 1] = y; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter++; } // Define one vertex (normal) @@ -1195,25 +1285,25 @@ void rlNormal3f(float x, float y, float z) } // Define one vertex (color) -void rlColor4ub(byte x, byte y, byte z, byte w) +void rlColor4ub(unsigned char x, unsigned char y, unsigned char z, unsigned char w) { - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter] = x; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 1] = y; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 2] = z; - vertexData[currentBuffer].colors[4*vertexData[currentBuffer].cCounter + 3] = w; - vertexData[currentBuffer].cCounter++; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter] = x; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 1] = y; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 2] = z; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter + 3] = w; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter++; } // Define one vertex (color) void rlColor4f(float r, float g, float b, float a) { - rlColor4ub((byte)(r*255), (byte)(g*255), (byte)(b*255), (byte)(a*255)); + rlColor4ub((unsigned char)(r*255), (unsigned char)(g*255), (unsigned char)(b*255), (unsigned char)(a*255)); } // Define one vertex (color) void rlColor3f(float x, float y, float z) { - rlColor4ub((byte)(x*255), (byte)(y*255), (byte)(z*255), 255); + rlColor4ub((unsigned char)(x*255), (unsigned char)(y*255), (unsigned char)(z*255), 255); } #endif @@ -1231,33 +1321,35 @@ void rlEnableTexture(unsigned int id) #endif #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (draws[drawsCounter - 1].textureId != id) + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].textureId != id) { - if (draws[drawsCounter - 1].vertexCount > 0) + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount > 0) { - // Make sure current draws[i].vertexCount is aligned a multiple of 4, + // Make sure current RLGL.currentBatch->draws[i].vertexCount is aligned a multiple of 4, // that way, following QUADS drawing will keep aligned with index processing // It implies adding some extra alignment vertex at the end of the draw, // those vertex are not processed but they are considered as an additional offset // for the next set of vertex to be drawn - if (draws[drawsCounter - 1].mode == RL_LINES) draws[drawsCounter - 1].vertexAlignment = ((draws[drawsCounter - 1].vertexCount < 4)? draws[drawsCounter - 1].vertexCount : draws[drawsCounter - 1].vertexCount%4); - else if (draws[drawsCounter - 1].mode == RL_TRIANGLES) draws[drawsCounter - 1].vertexAlignment = ((draws[drawsCounter - 1].vertexCount < 4)? 1 : (4 - (draws[drawsCounter - 1].vertexCount%4))); + if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount%4); + else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].mode == RL_TRIANGLES) RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount < 4)? 1 : (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount%4))); + + else RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment = 0; - if (rlCheckBufferLimit(draws[drawsCounter - 1].vertexAlignment)) rlglDraw(); + if (rlCheckBufferLimit(RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment)) DrawRenderBatch(RLGL.currentBatch); else { - vertexData[currentBuffer].vCounter += draws[drawsCounter - 1].vertexAlignment; - vertexData[currentBuffer].cCounter += draws[drawsCounter - 1].vertexAlignment; - vertexData[currentBuffer].tcCounter += draws[drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].cCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].tcCounter += RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexAlignment; - drawsCounter++; + RLGL.currentBatch->drawsCounter++; } } - if (drawsCounter >= MAX_DRAWCALL_REGISTERED) rlglDraw(); + if (RLGL.currentBatch->drawsCounter >= DEFAULT_BATCH_DRAWCALLS) DrawRenderBatch(RLGL.currentBatch); - draws[drawsCounter - 1].textureId = id; - draws[drawsCounter - 1].vertexCount = 0; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].textureId = id; + RLGL.currentBatch->draws[RLGL.currentBatch->drawsCounter - 1].vertexCount = 0; } #endif } @@ -1271,7 +1363,7 @@ void rlDisableTexture(void) #else // NOTE: If quads batch limit is reached, // we force a draw call and next batch starts - if (vertexData[currentBuffer].vCounter >= (MAX_BATCH_ELEMENTS*4)) rlglDraw(); + if (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter >= (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementsCount*4)) DrawRenderBatch(RLGL.currentBatch); #endif } @@ -1288,23 +1380,25 @@ void rlTextureParameters(unsigned int id, int param, int value) if (value == RL_WRAP_MIRROR_CLAMP) { #if !defined(GRAPHICS_API_OPENGL_11) - if (!texMirrorClampSupported) TraceLog(LOG_WARNING, "Clamp mirror wrap mode not supported"); + if (RLGL.ExtSupported.texMirrorClamp) glTexParameteri(GL_TEXTURE_2D, param, value); + else TRACELOG(LOG_WARNING, "GL: Clamp mirror wrap mode not supported (GL_MIRROR_CLAMP_EXT)"); #endif } else glTexParameteri(GL_TEXTURE_2D, param, value); + } break; case RL_TEXTURE_MAG_FILTER: case RL_TEXTURE_MIN_FILTER: glTexParameteri(GL_TEXTURE_2D, param, value); break; case RL_TEXTURE_ANISOTROPIC_FILTER: { #if !defined(GRAPHICS_API_OPENGL_11) - if (value <= maxAnisotropicLevel) glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); - else if (maxAnisotropicLevel > 0.0f) + if (value <= RLGL.ExtSupported.maxAnisotropicLevel) glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); + else if (RLGL.ExtSupported.maxAnisotropicLevel > 0.0f) { - TraceLog(LOG_WARNING, "[TEX ID %i] Maximum anisotropic filter level supported is %iX", id, maxAnisotropicLevel); + TRACELOG(LOG_WARNING, "GL: Maximum anisotropic filter level supported is %iX", id, RLGL.ExtSupported.maxAnisotropicLevel); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); } - else TraceLog(LOG_WARNING, "Anisotropic filtering not supported"); + else TRACELOG(LOG_WARNING, "GL: Anisotropic filtering not supported"); #endif } break; default: break; @@ -1313,56 +1407,69 @@ void rlTextureParameters(unsigned int id, int param, int value) glBindTexture(GL_TEXTURE_2D, 0); } +// Enable shader program usage +void rlEnableShader(unsigned int id) +{ +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) + glUseProgram(id); +#endif +} + +// Disable shader program usage +void rlDisableShader(void) +{ +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) + glUseProgram(0); +#endif +} + // Enable rendering to texture (fbo) -void rlEnableRenderTexture(unsigned int id) +void rlEnableFramebuffer(unsigned int id) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) glBindFramebuffer(GL_FRAMEBUFFER, id); - - //glDisable(GL_CULL_FACE); // Allow double side drawing for texture flipping - //glCullFace(GL_FRONT); #endif } // Disable rendering to texture -void rlDisableRenderTexture(void) +void rlDisableFramebuffer(void) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) glBindFramebuffer(GL_FRAMEBUFFER, 0); - - //glEnable(GL_CULL_FACE); - //glCullFace(GL_BACK); #endif } // Enable depth test -void rlEnableDepthTest(void) -{ - glEnable(GL_DEPTH_TEST); -} +void rlEnableDepthTest(void) { glEnable(GL_DEPTH_TEST); } // Disable depth test -void rlDisableDepthTest(void) -{ - glDisable(GL_DEPTH_TEST); -} +void rlDisableDepthTest(void) { glDisable(GL_DEPTH_TEST); } + +// Enable depth write +void rlEnableDepthMask(void) { glDepthMask(GL_TRUE); } + +// Disable depth write +void rlDisableDepthMask(void) { glDepthMask(GL_FALSE); } // Enable backface culling -void rlEnableBackfaceCulling(void) -{ - glEnable(GL_CULL_FACE); -} +void rlEnableBackfaceCulling(void) { glEnable(GL_CULL_FACE); } // Disable backface culling -void rlDisableBackfaceCulling(void) -{ - glDisable(GL_CULL_FACE); -} +void rlDisableBackfaceCulling(void) { glDisable(GL_CULL_FACE); } + +// Enable scissor test +RLAPI void rlEnableScissorTest(void) { glEnable(GL_SCISSOR_TEST); } + +// Disable scissor test +RLAPI void rlDisableScissorTest(void) { glDisable(GL_SCISSOR_TEST); } + +// Scissor test +RLAPI void rlScissor(int x, int y, int width, int height) { glScissor(x, y, width, height); } // Enable wire mode void rlEnableWireMode(void) { -#if defined (GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) +#if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) // NOTE: glPolygonMode() not available on OpenGL ES glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); #endif @@ -1371,69 +1478,69 @@ void rlEnableWireMode(void) // Disable wire mode void rlDisableWireMode(void) { -#if defined (GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) +#if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33) // NOTE: glPolygonMode() not available on OpenGL ES glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); #endif } - -// Unload texture from GPU memory -void rlDeleteTextures(unsigned int id) +// Set the line drawing width +void rlSetLineWidth(float width) { - if (id > 0) glDeleteTextures(1, &id); + glLineWidth(width); } -// Unload render texture from GPU memory -void rlDeleteRenderTextures(RenderTexture2D target) +// Get the line drawing width +float rlGetLineWidth(void) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (target.texture.id > 0) glDeleteTextures(1, &target.texture.id); - if (target.depth.id > 0) - { - if (target.depthTexture) glDeleteTextures(1, &target.depth.id); - else glDeleteRenderbuffers(1, &target.depth.id); - } - - if (target.id > 0) glDeleteFramebuffers(1, &target.id); - - TraceLog(LOG_INFO, "[FBO ID %i] Unloaded render texture data from VRAM (GPU)", target.id); -#endif + float width = 0; + glGetFloatv(GL_LINE_WIDTH, &width); + return width; } -// Unload shader from GPU memory -void rlDeleteShader(unsigned int id) +// Enable line aliasing +void rlEnableSmoothLines(void) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (id != 0) glDeleteProgram(id); +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_21) || defined(GRAPHICS_API_OPENGL_11) + glEnable(GL_LINE_SMOOTH); #endif } -// Unload vertex data (VAO) from GPU memory -void rlDeleteVertexArrays(unsigned int id) +// Disable line aliasing +void rlDisableSmoothLines(void) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (vaoSupported) - { - if (id != 0) glDeleteVertexArrays(1, &id); - TraceLog(LOG_INFO, "[VAO ID %i] Unloaded model data from VRAM (GPU)", id); - } +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_21) || defined(GRAPHICS_API_OPENGL_11) + glDisable(GL_LINE_SMOOTH); #endif } -// Unload vertex data (VBO) from GPU memory -void rlDeleteBuffers(unsigned int id) +// Unload framebuffer from GPU memory +// NOTE: All attached textures/cubemaps/renderbuffers are also deleted +void rlUnloadFramebuffer(unsigned int id) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (id != 0) - { - glDeleteBuffers(1, &id); - if (!vaoSupported) TraceLog(LOG_INFO, "[VBO ID %i] Unloaded model vertex data from VRAM (GPU)", id); - } +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) + + // Query depth attachment to automatically delete texture/renderbuffer + int depthType = 0, depthId = 0; + glBindFramebuffer(GL_FRAMEBUFFER, id); // Bind framebuffer to query depth texture type + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &depthType); + glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME, &depthId); + + unsigned int depthIdU = (unsigned int)depthId; + if (depthType == GL_RENDERBUFFER) glDeleteRenderbuffers(1, &depthIdU); + else if (depthType == GL_RENDERBUFFER) glDeleteTextures(1, &depthIdU); + + // NOTE: If a texture object is deleted while its image is attached to the *currently bound* framebuffer, + // the texture image is automatically detached from the currently bound framebuffer. + + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDeleteFramebuffers(1, &id); + + TRACELOG(LOG_INFO, "FBO: [ID %i] Unloaded framebuffer from VRAM (GPU)", id); #endif } // Clear color buffer with color -void rlClearColor(byte r, byte g, byte b, byte a) +void rlClearColor(unsigned char r, unsigned char g, unsigned char b, unsigned char a) { // Color values clamp to 0.0f(0) and 1.0f(255) float cr = (float)r/255; @@ -1469,87 +1576,92 @@ void rlglInit(int width, int height) { // Check OpenGL information and capabilities //------------------------------------------------------------------------------ - // Print current OpenGL and GLSL version - TraceLog(LOG_INFO, "GPU: Vendor: %s", glGetString(GL_VENDOR)); - TraceLog(LOG_INFO, "GPU: Renderer: %s", glGetString(GL_RENDERER)); - TraceLog(LOG_INFO, "GPU: Version: %s", glGetString(GL_VERSION)); - TraceLog(LOG_INFO, "GPU: GLSL: %s", glGetString(GL_SHADING_LANGUAGE_VERSION)); + TRACELOG(LOG_INFO, "GL: OpenGL device information:"); + TRACELOG(LOG_INFO, " > Vendor: %s", glGetString(GL_VENDOR)); + TRACELOG(LOG_INFO, " > Renderer: %s", glGetString(GL_RENDERER)); + TRACELOG(LOG_INFO, " > Version: %s", glGetString(GL_VERSION)); + TRACELOG(LOG_INFO, " > GLSL: %s", glGetString(GL_SHADING_LANGUAGE_VERSION)); // NOTE: We can get a bunch of extra information about GPU capabilities (glGet*) //int maxTexSize; //glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTexSize); - //TraceLog(LOG_INFO, "GL_MAX_TEXTURE_SIZE: %i", maxTexSize); + //TRACELOG(LOG_INFO, "GL: Maximum texture size: %i", maxTexSize); //GL_MAX_TEXTURE_IMAGE_UNITS //GL_MAX_VIEWPORT_DIMS //int numAuxBuffers; //glGetIntegerv(GL_AUX_BUFFERS, &numAuxBuffers); - //TraceLog(LOG_INFO, "GL_AUX_BUFFERS: %i", numAuxBuffers); + //TRACELOG(LOG_INFO, "GL: Number of aixiliar buffers: %i", numAuxBuffers); //GLint numComp = 0; //GLint format[32] = { 0 }; //glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numComp); //glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, format); - //for (int i = 0; i < numComp; i++) TraceLog(LOG_INFO, "Supported compressed format: 0x%x", format[i]); + //for (int i = 0; i < numComp; i++) TRACELOG(LOG_INFO, "GL: Supported compressed format: 0x%x", format[i]); // NOTE: We don't need that much data on screen... right now... // TODO: Automatize extensions loading using rlLoadExtensions() and GLAD // Actually, when rlglInit() is called in InitWindow() in core.c, - // OpenGL required extensions have already been loaded (PLATFORM_DESKTOP) + // OpenGL context has already been created and required extensions loaded #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) // Get supported extensions list GLint numExt = 0; -#if defined(GRAPHICS_API_OPENGL_33) +#if defined(GRAPHICS_API_OPENGL_33) && !defined(GRAPHICS_API_OPENGL_21) // NOTE: On OpenGL 3.3 VAO and NPOT are supported by default - vaoSupported = true; + RLGL.ExtSupported.vao = true; // Multiple texture extensions supported by default - texNPOTSupported = true; - texFloatSupported = true; - texDepthSupported = true; + RLGL.ExtSupported.texNPOT = true; + RLGL.ExtSupported.texFloat32 = true; + RLGL.ExtSupported.texDepth = true; // We get a list of available extensions and we check for some of them (compressed textures) // NOTE: We don't need to check again supported extensions but we do (GLAD already dealt with that) glGetIntegerv(GL_NUM_EXTENSIONS, &numExt); - const char **extList = RL_MALLOC(sizeof(const char *)*numExt); + // Allocate numExt strings pointers + char **extList = RL_MALLOC(sizeof(char *)*numExt); + + // Get extensions strings for (int i = 0; i < numExt; i++) extList[i] = (char *)glGetStringi(GL_EXTENSIONS, i); -#elif defined(GRAPHICS_API_OPENGL_ES2) - char *extensions = (char *)glGetString(GL_EXTENSIONS); // One big const string +#endif +#if defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_21) + // Allocate 512 strings pointers (2 KB) + const char **extList = RL_MALLOC(512*sizeof(const char *)); + + const char *extensions = (const char *)glGetString(GL_EXTENSIONS); // One big const string // NOTE: We have to duplicate string because glGetString() returns a const string int len = strlen(extensions) + 1; - char *extensionsDup = (char *)RL_MALLOC(len); + char *extensionsDup = (char *)RL_CALLOC(len, sizeof(char)); strcpy(extensionsDup, extensions); - // NOTE: String could be splitted using strtok() function (string.h) - // NOTE: strtok() modifies the passed string, it can not be const - - // Allocate 512 strings pointers (2 KB) - const char **extList = RL_MALLOC(sizeof(const char *)*512); + extList[numExt] = extensionsDup; - extList[numExt] = strtok(extensionsDup, " "); - while (extList[numExt] != NULL) + for (int i = 0; i < len; i++) { - numExt++; - extList[numExt] = strtok(NULL, " "); - } + if (extensionsDup[i] == ' ') + { + extensionsDup[i] = '\0'; - RL_FREE(extensionsDup); // Duplicated string must be deallocated + numExt++; + extList[numExt] = &extensionsDup[i + 1]; + } + } - numExt -= 1; + // NOTE: Duplicated string (extensionsDup) must be deallocated #endif - TraceLog(LOG_INFO, "Number of supported extensions: %i", numExt); + TRACELOG(LOG_INFO, "GL: Supported extensions count: %i", numExt); // Show supported extensions - //for (int i = 0; i < numExt; i++) TraceLog(LOG_INFO, "Supported extension: %s", extList[i]); + //for (int i = 0; i < numExt; i++) TRACELOG(LOG_INFO, "Supported extension: %s", extList[i]); // Check required extensions for (int i = 0; i < numExt; i++) @@ -1566,124 +1678,111 @@ void rlglInit(int width, int height) glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSOESPROC)eglGetProcAddress("glDeleteVertexArraysOES"); //glIsVertexArray = (PFNGLISVERTEXARRAYOESPROC)eglGetProcAddress("glIsVertexArrayOES"); // NOTE: Fails in WebGL, omitted - if ((glGenVertexArrays != NULL) && (glBindVertexArray != NULL) && (glDeleteVertexArrays != NULL)) vaoSupported = true; + if ((glGenVertexArrays != NULL) && (glBindVertexArray != NULL) && (glDeleteVertexArrays != NULL)) RLGL.ExtSupported.vao = true; } // Check NPOT textures support // NOTE: Only check on OpenGL ES, OpenGL 3.3 has NPOT textures full support as core feature - if (strcmp(extList[i], (const char *)"GL_OES_texture_npot") == 0) texNPOTSupported = true; + if (strcmp(extList[i], (const char *)"GL_OES_texture_npot") == 0) RLGL.ExtSupported.texNPOT = true; // Check texture float support - if (strcmp(extList[i], (const char *)"GL_OES_texture_float") == 0) texFloatSupported = true; + if (strcmp(extList[i], (const char *)"GL_OES_texture_float") == 0) RLGL.ExtSupported.texFloat32 = true; // Check depth texture support if ((strcmp(extList[i], (const char *)"GL_OES_depth_texture") == 0) || - (strcmp(extList[i], (const char *)"GL_WEBGL_depth_texture") == 0)) texDepthSupported = true; + (strcmp(extList[i], (const char *)"GL_WEBGL_depth_texture") == 0)) RLGL.ExtSupported.texDepth = true; - if (strcmp(extList[i], (const char *)"GL_OES_depth24") == 0) maxDepthBits = 24; - if (strcmp(extList[i], (const char *)"GL_OES_depth32") == 0) maxDepthBits = 32; + if (strcmp(extList[i], (const char *)"GL_OES_depth24") == 0) RLGL.ExtSupported.maxDepthBits = 24; + if (strcmp(extList[i], (const char *)"GL_OES_depth32") == 0) RLGL.ExtSupported.maxDepthBits = 32; #endif // DDS texture compression support if ((strcmp(extList[i], (const char *)"GL_EXT_texture_compression_s3tc") == 0) || (strcmp(extList[i], (const char *)"GL_WEBGL_compressed_texture_s3tc") == 0) || - (strcmp(extList[i], (const char *)"GL_WEBKIT_WEBGL_compressed_texture_s3tc") == 0)) texCompDXTSupported = true; + (strcmp(extList[i], (const char *)"GL_WEBKIT_WEBGL_compressed_texture_s3tc") == 0)) RLGL.ExtSupported.texCompDXT = true; // ETC1 texture compression support if ((strcmp(extList[i], (const char *)"GL_OES_compressed_ETC1_RGB8_texture") == 0) || - (strcmp(extList[i], (const char *)"GL_WEBGL_compressed_texture_etc1") == 0)) texCompETC1Supported = true; + (strcmp(extList[i], (const char *)"GL_WEBGL_compressed_texture_etc1") == 0)) RLGL.ExtSupported.texCompETC1 = true; // ETC2/EAC texture compression support - if (strcmp(extList[i], (const char *)"GL_ARB_ES3_compatibility") == 0) texCompETC2Supported = true; + if (strcmp(extList[i], (const char *)"GL_ARB_ES3_compatibility") == 0) RLGL.ExtSupported.texCompETC2 = true; // PVR texture compression support - if (strcmp(extList[i], (const char *)"GL_IMG_texture_compression_pvrtc") == 0) texCompPVRTSupported = true; + if (strcmp(extList[i], (const char *)"GL_IMG_texture_compression_pvrtc") == 0) RLGL.ExtSupported.texCompPVRT = true; // ASTC texture compression support - if (strcmp(extList[i], (const char *)"GL_KHR_texture_compression_astc_hdr") == 0) texCompASTCSupported = true; + if (strcmp(extList[i], (const char *)"GL_KHR_texture_compression_astc_hdr") == 0) RLGL.ExtSupported.texCompASTC = true; // Anisotropic texture filter support if (strcmp(extList[i], (const char *)"GL_EXT_texture_filter_anisotropic") == 0) { - texAnisotropicFilterSupported = true; - glGetFloatv(0x84FF, &maxAnisotropicLevel); // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT + RLGL.ExtSupported.texAnisoFilter = true; + glGetFloatv(0x84FF, &RLGL.ExtSupported.maxAnisotropicLevel); // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT } // Clamp mirror wrap mode supported - if (strcmp(extList[i], (const char *)"GL_EXT_texture_mirror_clamp") == 0) texMirrorClampSupported = true; + if (strcmp(extList[i], (const char *)"GL_EXT_texture_mirror_clamp") == 0) RLGL.ExtSupported.texMirrorClamp = true; // Debug marker support - if (strcmp(extList[i], (const char *)"GL_EXT_debug_marker") == 0) debugMarkerSupported = true; + if (strcmp(extList[i], (const char *)"GL_EXT_debug_marker") == 0) RLGL.ExtSupported.debugMarker = true; } + // Free extensions pointers RL_FREE(extList); +#if defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_21) + RL_FREE(extensionsDup); // Duplicated string must be deallocated +#endif + #if defined(GRAPHICS_API_OPENGL_ES2) - if (vaoSupported) TraceLog(LOG_INFO, "[EXTENSION] VAO extension detected, VAO functions initialized successfully"); - else TraceLog(LOG_WARNING, "[EXTENSION] VAO extension not found, VAO usage not supported"); + if (RLGL.ExtSupported.vao) TRACELOG(LOG_INFO, "GL: VAO extension detected, VAO functions initialized successfully"); + else TRACELOG(LOG_WARNING, "GL: VAO extension not found, VAO usage not supported"); - if (texNPOTSupported) TraceLog(LOG_INFO, "[EXTENSION] NPOT textures extension detected, full NPOT textures supported"); - else TraceLog(LOG_WARNING, "[EXTENSION] NPOT textures extension not found, limited NPOT support (no-mipmaps, no-repeat)"); + if (RLGL.ExtSupported.texNPOT) TRACELOG(LOG_INFO, "GL: NPOT textures extension detected, full NPOT textures supported"); + else TRACELOG(LOG_WARNING, "GL: NPOT textures extension not found, limited NPOT support (no-mipmaps, no-repeat)"); #endif - if (texCompDXTSupported) TraceLog(LOG_INFO, "[EXTENSION] DXT compressed textures supported"); - if (texCompETC1Supported) TraceLog(LOG_INFO, "[EXTENSION] ETC1 compressed textures supported"); - if (texCompETC2Supported) TraceLog(LOG_INFO, "[EXTENSION] ETC2/EAC compressed textures supported"); - if (texCompPVRTSupported) TraceLog(LOG_INFO, "[EXTENSION] PVRT compressed textures supported"); - if (texCompASTCSupported) TraceLog(LOG_INFO, "[EXTENSION] ASTC compressed textures supported"); + if (RLGL.ExtSupported.texCompDXT) TRACELOG(LOG_INFO, "GL: DXT compressed textures supported"); + if (RLGL.ExtSupported.texCompETC1) TRACELOG(LOG_INFO, "GL: ETC1 compressed textures supported"); + if (RLGL.ExtSupported.texCompETC2) TRACELOG(LOG_INFO, "GL: ETC2/EAC compressed textures supported"); + if (RLGL.ExtSupported.texCompPVRT) TRACELOG(LOG_INFO, "GL: PVRT compressed textures supported"); + if (RLGL.ExtSupported.texCompASTC) TRACELOG(LOG_INFO, "GL: ASTC compressed textures supported"); - if (texAnisotropicFilterSupported) TraceLog(LOG_INFO, "[EXTENSION] Anisotropic textures filtering supported (max: %.0fX)", maxAnisotropicLevel); - if (texMirrorClampSupported) TraceLog(LOG_INFO, "[EXTENSION] Mirror clamp wrap texture mode supported"); + if (RLGL.ExtSupported.texAnisoFilter) TRACELOG(LOG_INFO, "GL: Anisotropic textures filtering supported (max: %.0fX)", RLGL.ExtSupported.maxAnisotropicLevel); + if (RLGL.ExtSupported.texMirrorClamp) TRACELOG(LOG_INFO, "GL: Mirror clamp wrap texture mode supported"); - if (debugMarkerSupported) TraceLog(LOG_INFO, "[EXTENSION] Debug Marker supported"); + if (RLGL.ExtSupported.debugMarker) TRACELOG(LOG_INFO, "GL: Debug Marker supported"); // Initialize buffers, default shaders and default textures //---------------------------------------------------------- // Init default white texture unsigned char pixels[4] = { 255, 255, 255, 255 }; // 1 pixel RGBA (4 bytes) - defaultTextureId = rlLoadTexture(pixels, 1, 1, UNCOMPRESSED_R8G8B8A8, 1); + RLGL.State.defaultTextureId = rlLoadTexture(pixels, 1, 1, UNCOMPRESSED_R8G8B8A8, 1); - if (defaultTextureId != 0) TraceLog(LOG_INFO, "[TEX ID %i] Base white texture loaded successfully", defaultTextureId); - else TraceLog(LOG_WARNING, "Base white texture could not be loaded"); + if (RLGL.State.defaultTextureId != 0) TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Default texture loaded successfully", RLGL.State.defaultTextureId); + else TRACELOG(LOG_WARNING, "TEXTURE: Failed to load default texture"); // Init default Shader (customized for GL 3.3 and ES2) - defaultShader = LoadShaderDefault(); - currentShader = defaultShader; + RLGL.State.defaultShader = LoadShaderDefault(); + RLGL.State.currentShader = RLGL.State.defaultShader; // Init default vertex arrays buffers - LoadBuffersDefault(); - - // Init transformations matrix accumulator - transformMatrix = MatrixIdentity(); - - // Init draw calls tracking system - draws = (DrawCall *)RL_MALLOC(sizeof(DrawCall)*MAX_DRAWCALL_REGISTERED); - - for (int i = 0; i < MAX_DRAWCALL_REGISTERED; i++) - { - draws[i].mode = RL_QUADS; - draws[i].vertexCount = 0; - draws[i].vertexAlignment = 0; - //draws[i].vaoId = 0; - //draws[i].shaderId = 0; - draws[i].textureId = defaultTextureId; - //draws[i].projection = MatrixIdentity(); - //draws[i].modelview = MatrixIdentity(); - } + RLGL.defaultBatch = LoadRenderBatch(DEFAULT_BATCH_BUFFERS, DEFAULT_BATCH_BUFFER_ELEMENTS); + RLGL.currentBatch = &RLGL.defaultBatch; - drawsCounter = 1; + // Init stack matrices (emulating OpenGL 1.1) + for (int i = 0; i < MAX_MATRIX_STACK_SIZE; i++) RLGL.State.stack[i] = MatrixIdentity(); - // Init internal matrix stack (emulating OpenGL 1.1) - for (int i = 0; i < MAX_MATRIX_STACK_SIZE; i++) stack[i] = MatrixIdentity(); + // Init internal matrices + RLGL.State.transform = MatrixIdentity(); + RLGL.State.projection = MatrixIdentity(); + RLGL.State.modelview = MatrixIdentity(); + RLGL.State.currentMatrix = &RLGL.State.modelview; - // Init internal projection and modelview matrices - projection = MatrixIdentity(); - modelview = MatrixIdentity(); - currentMatrix = &modelview; #endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 // Initialize OpenGL default states //---------------------------------------------------------- - // Init state: Depth test glDepthFunc(GL_LEQUAL); // Type of depth testing to apply glDisable(GL_DEPTH_TEST); // Disable depth testing for 2D (only used for 3D) @@ -1698,35 +1797,45 @@ void rlglInit(int width, int height) glFrontFace(GL_CCW); // Front face are defined counter clockwise (default) glEnable(GL_CULL_FACE); // Enable backface culling + // Init state: Cubemap seamless +#if defined(GRAPHICS_API_OPENGL_33) + glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); // Seamless cubemaps (not supported on OpenGL ES 2.0) +#endif + #if defined(GRAPHICS_API_OPENGL_11) // Init state: Color hints (deprecated in OpenGL 3.0+) glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Improve quality of color and texture coordinate interpolation glShadeModel(GL_SMOOTH); // Smooth shading between vertex (vertex colors interpolation) #endif +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + // Store screen size into global variables + RLGL.State.framebufferWidth = width; + RLGL.State.framebufferHeight = height; + + // Init texture and rectangle used on basic shapes drawing + RLGL.State.shapesTexture = GetTextureDefault(); + RLGL.State.shapesTextureRec = (Rectangle){ 0.0f, 0.0f, 1.0f, 1.0f }; + + TRACELOG(LOG_INFO, "RLGL: Default state initialized successfully"); +#endif + // Init state: Color/Depth buffers clear glClearColor(0.0f, 0.0f, 0.0f, 1.0f); // Set clear color (black) glClearDepth(1.0f); // Set clear depth value (default) glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear color and depth buffers (depth buffer required for 3D) - - // Store screen size into global variables - screenWidth = width; - screenHeight = height; - - TraceLog(LOG_INFO, "OpenGL default states initialized successfully"); } // Vertex Buffer Object deinitialization (memory free) void rlglClose(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - UnloadShaderDefault(); // Unload default shader - UnloadBuffersDefault(); // Unload default buffers - glDeleteTextures(1, &defaultTextureId); // Unload default texture + UnloadRenderBatch(RLGL.defaultBatch); - TraceLog(LOG_INFO, "[TEX ID %i] Unloaded texture data (base white texture) from VRAM", defaultTextureId); + UnloadShaderDefault(); // Unload default shader + glDeleteTextures(1, &RLGL.State.defaultTextureId); // Unload default texture - RL_FREE(draws); + TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Unloaded default texture data from VRAM (GPU)", RLGL.State.defaultTextureId); #endif } @@ -1734,11 +1843,45 @@ void rlglClose(void) void rlglDraw(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - // Only process data if we have data to process - if (vertexData[currentBuffer].vCounter > 0) - { - UpdateBuffersDefault(); - DrawBuffersDefault(); // NOTE: Stereo rendering is checked inside + DrawRenderBatch(RLGL.currentBatch); // NOTE: Stereo rendering is checked inside +#endif +} + +// Check and log OpenGL error codes +void rlCheckErrors() { +#if defined(GRAPHICS_API_OPENGL_21) || defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + int check = 1; + while (check) { + const GLenum err = glGetError(); + switch (err) { + case GL_NO_ERROR: + check = 0; + break; + case 0x0500: // GL_INVALID_ENUM: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_INVALID_ENUM"); + break; + case 0x0501: //GL_INVALID_VALUE: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_INVALID_VALUE"); + break; + case 0x0502: //GL_INVALID_OPERATION: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_INVALID_OPERATION"); + break; + case 0x0503: // GL_STACK_OVERFLOW: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_STACK_OVERFLOW"); + break; + case 0x0504: // GL_STACK_UNDERFLOW: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_STACK_UNDERFLOW"); + break; + case 0x0505: // GL_OUT_OF_MEMORY: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_OUT_OF_MEMORY"); + break; + case 0x0506: // GL_INVALID_FRAMEBUFFER_OPERATION: + TRACELOG(LOG_WARNING, "GL: Error detected: GL_INVALID_FRAMEBUFFER_OPERATION"); + break; + default: + TRACELOG(LOG_WARNING, "GL: Error detected: unknown error code %x", err); + break; + } } #endif } @@ -1750,7 +1893,7 @@ int rlGetVersion(void) return OPENGL_11; #elif defined(GRAPHICS_API_OPENGL_21) #if defined(__APPLE__) - return OPENGL_33; // NOTE: Force OpenGL 3.3 on OSX + return OPENGL_33; // NOTE: Force OpenGL 3.3 on OSX #else return OPENGL_21; #endif @@ -1766,7 +1909,7 @@ bool rlCheckBufferLimit(int vCount) { bool overflow = false; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if ((vertexData[currentBuffer].vCounter + vCount) >= (MAX_BATCH_ELEMENTS*4)) overflow = true; + if ((RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vCounter + vCount) >= (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementsCount*4)) overflow = true; #endif return overflow; } @@ -1775,7 +1918,17 @@ bool rlCheckBufferLimit(int vCount) void rlSetDebugMarker(const char *text) { #if defined(GRAPHICS_API_OPENGL_33) - if (debugMarkerSupported) glInsertEventMarkerEXT(0, text); + if (RLGL.ExtSupported.debugMarker) glInsertEventMarkerEXT(0, text); +#endif +} + +// Set blending mode factor and equation +void rlSetBlendMode(int glSrcFactor, int glDstFactor, int glEquation) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + RLGL.State.glBlendSrcFactor = glSrcFactor; + RLGL.State.glBlendDstFactor = glDstFactor; + RLGL.State.glBlendEquation = glEquation; #endif } @@ -1786,14 +1939,14 @@ void rlLoadExtensions(void *loader) #if defined(GRAPHICS_API_OPENGL_33) // NOTE: glad is generated and contains only required OpenGL 3.3 Core extensions (and lower versions) #if !defined(__APPLE__) - if (!gladLoadGLLoader((GLADloadproc)loader)) TraceLog(LOG_WARNING, "GLAD: Cannot load OpenGL extensions"); - else TraceLog(LOG_INFO, "GLAD: OpenGL extensions loaded successfully"); + if (!gladLoadGLLoader((GLADloadproc)loader)) TRACELOG(LOG_WARNING, "GLAD: Cannot load OpenGL extensions"); + else TRACELOG(LOG_INFO, "GLAD: OpenGL extensions loaded successfully"); #if defined(GRAPHICS_API_OPENGL_21) - if (GLAD_GL_VERSION_2_1) TraceLog(LOG_INFO, "OpenGL 2.1 profile supported"); + if (GLAD_GL_VERSION_2_1) TRACELOG(LOG_INFO, "GL: OpenGL 2.1 profile supported"); #elif defined(GRAPHICS_API_OPENGL_33) - if (GLAD_GL_VERSION_3_3) TraceLog(LOG_INFO, "OpenGL 3.3 Core profile supported"); - else TraceLog(LOG_ERROR, "OpenGL 3.3 Core profile not supported"); + if (GLAD_GL_VERSION_3_3) TRACELOG(LOG_INFO, "GL: OpenGL 3.3 Core profile supported"); + else TRACELOG(LOG_ERROR, "GL: OpenGL 3.3 Core profile not supported"); #endif #endif @@ -1802,29 +1955,6 @@ void rlLoadExtensions(void *loader) #endif } -// Get world coordinates from screen coordinates -Vector3 rlUnproject(Vector3 source, Matrix proj, Matrix view) -{ - Vector3 result = { 0.0f, 0.0f, 0.0f }; - - // Calculate unproject matrix (multiply view patrix by projection matrix) and invert it - Matrix matViewProj = MatrixMultiply(view, proj); - matViewProj = MatrixInvert(matViewProj); - - // Create quaternion from source point - Quaternion quat = { source.x, source.y, source.z, 1.0f }; - - // Multiply quat point by unproject matrix - quat = QuaternionTransform(quat, matViewProj); - - // Normalized world points in vectors - result.x = quat.x/quat.w; - result.y = quat.y/quat.w; - result.z = quat.z/quat.w; - - return result; -} - // Convert image data to OpenGL texture (returns OpenGL valid Id) unsigned int rlLoadTexture(void *data, int width, int height, int format, int mipmapCount) { @@ -1836,38 +1966,38 @@ unsigned int rlLoadTexture(void *data, int width, int height, int format, int mi #if defined(GRAPHICS_API_OPENGL_11) if (format >= COMPRESSED_DXT1_RGB) { - TraceLog(LOG_WARNING, "OpenGL 1.1 does not support GPU compressed texture formats"); + TRACELOG(LOG_WARNING, "GL: OpenGL 1.1 does not support GPU compressed texture formats"); return id; } #else - if ((!texCompDXTSupported) && ((format == COMPRESSED_DXT1_RGB) || (format == COMPRESSED_DXT1_RGBA) || + if ((!RLGL.ExtSupported.texCompDXT) && ((format == COMPRESSED_DXT1_RGB) || (format == COMPRESSED_DXT1_RGBA) || (format == COMPRESSED_DXT3_RGBA) || (format == COMPRESSED_DXT5_RGBA))) { - TraceLog(LOG_WARNING, "DXT compressed texture format not supported"); + TRACELOG(LOG_WARNING, "GL: DXT compressed texture format not supported"); return id; } #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if ((!texCompETC1Supported) && (format == COMPRESSED_ETC1_RGB)) + if ((!RLGL.ExtSupported.texCompETC1) && (format == COMPRESSED_ETC1_RGB)) { - TraceLog(LOG_WARNING, "ETC1 compressed texture format not supported"); + TRACELOG(LOG_WARNING, "GL: ETC1 compressed texture format not supported"); return id; } - if ((!texCompETC2Supported) && ((format == COMPRESSED_ETC2_RGB) || (format == COMPRESSED_ETC2_EAC_RGBA))) + if ((!RLGL.ExtSupported.texCompETC2) && ((format == COMPRESSED_ETC2_RGB) || (format == COMPRESSED_ETC2_EAC_RGBA))) { - TraceLog(LOG_WARNING, "ETC2 compressed texture format not supported"); + TRACELOG(LOG_WARNING, "GL: ETC2 compressed texture format not supported"); return id; } - if ((!texCompPVRTSupported) && ((format == COMPRESSED_PVRT_RGB) || (format == COMPRESSED_PVRT_RGBA))) + if ((!RLGL.ExtSupported.texCompPVRT) && ((format == COMPRESSED_PVRT_RGB) || (format == COMPRESSED_PVRT_RGBA))) { - TraceLog(LOG_WARNING, "PVRT compressed texture format not supported"); + TRACELOG(LOG_WARNING, "GL: PVRT compressed texture format not supported"); return id; } - if ((!texCompASTCSupported) && ((format == COMPRESSED_ASTC_4x4_RGBA) || (format == COMPRESSED_ASTC_8x8_RGBA))) + if ((!RLGL.ExtSupported.texCompASTC) && ((format == COMPRESSED_ASTC_4x4_RGBA) || (format == COMPRESSED_ASTC_8x8_RGBA))) { - TraceLog(LOG_WARNING, "ASTC compressed texture format not supported"); + TRACELOG(LOG_WARNING, "GL: ASTC compressed texture format not supported"); return id; } #endif @@ -1887,8 +2017,6 @@ unsigned int rlLoadTexture(void *data, int width, int height, int format, int mi int mipHeight = height; int mipOffset = 0; // Mipmap data offset - TraceLog(LOG_DEBUG, "Load texture from data memory address: 0x%x", data); - // Load the different mipmap levels for (int i = 0; i < mipmapCount; i++) { @@ -1897,7 +2025,7 @@ unsigned int rlLoadTexture(void *data, int width, int height, int format, int mi unsigned int glInternalFormat, glFormat, glType; rlGetGlTextureFormats(format, &glInternalFormat, &glFormat, &glType); - TraceLog(LOG_DEBUG, "Load mipmap level %i (%i x %i), size: %i, offset: %i", i, mipWidth, mipHeight, mipSize, mipOffset); + TRACELOGD("TEXTURE: Load mipmap level %i (%i x %i), size: %i, offset: %i", i, mipWidth, mipHeight, mipSize, mipOffset); if (glInternalFormat != -1) { @@ -1937,7 +2065,7 @@ unsigned int rlLoadTexture(void *data, int width, int height, int format, int mi // NOTE: glTexParameteri does NOT affect texture uploading, just the way it's used #if defined(GRAPHICS_API_OPENGL_ES2) // NOTE: OpenGL ES 2.0 with no GL_OES_texture_npot support (i.e. WebGL) has limited NPOT support, so CLAMP_TO_EDGE must be used - if (texNPOTSupported) + if (RLGL.ExtSupported.texNPOT) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); // Set texture to repeat on x-axis glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); // Set texture to repeat on y-axis @@ -1973,42 +2101,33 @@ unsigned int rlLoadTexture(void *data, int width, int height, int format, int mi // Unbind current texture glBindTexture(GL_TEXTURE_2D, 0); - if (id > 0) TraceLog(LOG_INFO, "[TEX ID %i] Texture created successfully (%ix%i - %i mipmaps)", id, width, height, mipmapCount); - else TraceLog(LOG_WARNING, "Texture could not be created"); + if (id > 0) TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Texture created successfully (%ix%i - %i mipmaps)", id, width, height, mipmapCount); + else TRACELOG(LOG_WARNING, "TEXTURE: Failed to load texture"); return id; } // Load depth texture/renderbuffer (to be attached to fbo) // WARNING: OpenGL ES 2.0 requires GL_OES_depth_texture/WEBGL_depth_texture extensions -unsigned int rlLoadTextureDepth(int width, int height, int bits, bool useRenderBuffer) +unsigned int rlLoadTextureDepth(int width, int height, bool useRenderBuffer) { unsigned int id = 0; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - unsigned int glInternalFormat = GL_DEPTH_COMPONENT16; + // In case depth textures not supported, we force renderbuffer usage + if (!RLGL.ExtSupported.texDepth) useRenderBuffer = true; - if ((bits != 16) && (bits != 24) && (bits != 32)) bits = 16; + // NOTE: We let the implementation to choose the best bit-depth + // Possible formats: GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32 and GL_DEPTH_COMPONENT32F + unsigned int glInternalFormat = GL_DEPTH_COMPONENT; - if (bits == 24) - { -#if defined(GRAPHICS_API_OPENGL_33) - glInternalFormat = GL_DEPTH_COMPONENT24; -#elif defined(GRAPHICS_API_OPENGL_ES2) - if (maxDepthBits >= 24) glInternalFormat = GL_DEPTH_COMPONENT24_OES; -#endif - } - - if (bits == 32) - { -#if defined(GRAPHICS_API_OPENGL_33) - glInternalFormat = GL_DEPTH_COMPONENT32; -#elif defined(GRAPHICS_API_OPENGL_ES2) - if (maxDepthBits == 32) glInternalFormat = GL_DEPTH_COMPONENT32_OES; +#if defined(GRAPHICS_API_OPENGL_ES2) + if (RLGL.ExtSupported.maxDepthBits == 32) glInternalFormat = GL_DEPTH_COMPONENT32_OES; + else if (RLGL.ExtSupported.maxDepthBits == 24) glInternalFormat = GL_DEPTH_COMPONENT24_OES; + else glInternalFormat = GL_DEPTH_COMPONENT16; #endif - } - if (!useRenderBuffer && texDepthSupported) + if (!useRenderBuffer && RLGL.ExtSupported.texDepth) { glGenTextures(1, &id); glBindTexture(GL_TEXTURE_2D, id); @@ -2020,6 +2139,8 @@ unsigned int rlLoadTextureDepth(int width, int height, int bits, bool useRenderB glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glBindTexture(GL_TEXTURE_2D, 0); + + TRACELOG(LOG_INFO, "TEXTURE: Depth texture loaded successfully"); } else { @@ -2030,6 +2151,8 @@ unsigned int rlLoadTextureDepth(int width, int height, int bits, bool useRenderB glRenderbufferStorage(GL_RENDERBUFFER, glInternalFormat, width, height); glBindRenderbuffer(GL_RENDERBUFFER, 0); + + TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Depth renderbuffer loaded successfully (%i bits)", id, (RLGL.ExtSupported.maxDepthBits >= 24)? RLGL.ExtSupported.maxDepthBits : 16); } #endif @@ -2037,16 +2160,17 @@ unsigned int rlLoadTextureDepth(int width, int height, int bits, bool useRenderB } // Load texture cubemap -// NOTE: Cubemap data is expected to be 6 images in a single column, +// NOTE: Cubemap data is expected to be 6 images in a single data array (one after the other), // expected the following convention: +X, -X, +Y, -Y, +Z, -Z unsigned int rlLoadTextureCubemap(void *data, int size, int format) { - unsigned int cubemapId = 0; - unsigned int dataSize = GetPixelDataSize(size, size, format); + unsigned int id = 0; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - glGenTextures(1, &cubemapId); - glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapId); + unsigned int dataSize = GetPixelDataSize(size, size, format); + + glGenTextures(1, &id); + glBindTexture(GL_TEXTURE_CUBE_MAP, id); unsigned int glInternalFormat, glFormat, glType; rlGetGlTextureFormats(format, &glInternalFormat, &glFormat, &glType); @@ -2056,10 +2180,27 @@ unsigned int rlLoadTextureCubemap(void *data, int size, int format) // Load cubemap faces for (unsigned int i = 0; i < 6; i++) { - if (format < COMPRESSED_DXT1_RGB) glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, glFormat, glType, (unsigned char *)data + i*dataSize); -#if !defined(GRAPHICS_API_OPENGL_11) - else glCompressedTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, dataSize, (unsigned char *)data + i*dataSize); -#endif + if (data == NULL) + { + if (format < COMPRESSED_DXT1_RGB) + { + if (format == UNCOMPRESSED_R32G32B32) + { + // Instead of using a sized internal texture format (GL_RGB16F, GL_RGB32F), we let the driver to choose the better format for us (GL_RGB) + if (RLGL.ExtSupported.texFloat32) glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB, size, size, 0, GL_RGB, GL_FLOAT, NULL); + else TRACELOG(LOG_WARNING, "TEXTURES: Cubemap requested format not supported"); + } + else if ((format == UNCOMPRESSED_R32) || (format == UNCOMPRESSED_R32G32B32A32)) TRACELOG(LOG_WARNING, "TEXTURES: Cubemap requested format not supported"); + else glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, glFormat, glType, NULL); + } + else TRACELOG(LOG_WARNING, "TEXTURES: Empty cubemap creation does not support compressed format"); + } + else + { + if (format < COMPRESSED_DXT1_RGB) glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, glFormat, glType, (unsigned char *)data + i*dataSize); + else glCompressedTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, dataSize, (unsigned char *)data + i*dataSize); + } + #if defined(GRAPHICS_API_OPENGL_33) if (format == UNCOMPRESSED_GRAYSCALE) { @@ -2091,12 +2232,15 @@ unsigned int rlLoadTextureCubemap(void *data, int size, int format) glBindTexture(GL_TEXTURE_CUBE_MAP, 0); #endif - return cubemapId; + if (id > 0) TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Cubemap texture created successfully (%ix%i)", id, size, size); + else TRACELOG(LOG_WARNING, "TEXTURE: Failed to load cubemap texture"); + + return id; } // Update already loaded texture in GPU with new data // NOTE: We don't know safely if internal texture format is the expected one... -void rlUpdateTexture(unsigned int id, int width, int height, int format, const void *data) +void rlUpdateTexture(unsigned int id, int offsetX, int offsetY, int width, int height, int format, const void *data) { glBindTexture(GL_TEXTURE_2D, id); @@ -2105,9 +2249,9 @@ void rlUpdateTexture(unsigned int id, int width, int height, int format, const v if ((glInternalFormat != -1) && (format < COMPRESSED_DXT1_RGB)) { - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, glFormat, glType, (unsigned char *)data); + glTexSubImage2D(GL_TEXTURE_2D, 0, offsetX, offsetY, width, height, glFormat, glType, (unsigned char *)data); } - else TraceLog(LOG_WARNING, "Texture format updating not supported"); + else TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Failed to update for current texture format (%i)", id, format); } // Get OpenGL internal formats and data type from raylib PixelFormat @@ -2129,9 +2273,9 @@ void rlGetGlTextureFormats(int format, unsigned int *glInternalFormat, unsigned case UNCOMPRESSED_R4G4B4A4: *glInternalFormat = GL_RGBA; *glFormat = GL_RGBA; *glType = GL_UNSIGNED_SHORT_4_4_4_4; break; case UNCOMPRESSED_R8G8B8A8: *glInternalFormat = GL_RGBA; *glFormat = GL_RGBA; *glType = GL_UNSIGNED_BYTE; break; #if !defined(GRAPHICS_API_OPENGL_11) - case UNCOMPRESSED_R32: if (texFloatSupported) *glInternalFormat = GL_LUMINANCE; *glFormat = GL_LUMINANCE; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float - case UNCOMPRESSED_R32G32B32: if (texFloatSupported) *glInternalFormat = GL_RGB; *glFormat = GL_RGB; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float - case UNCOMPRESSED_R32G32B32A32: if (texFloatSupported) *glInternalFormat = GL_RGBA; *glFormat = GL_RGBA; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float + case UNCOMPRESSED_R32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_LUMINANCE; *glFormat = GL_LUMINANCE; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float + case UNCOMPRESSED_R32G32B32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_RGB; *glFormat = GL_RGB; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float + case UNCOMPRESSED_R32G32B32A32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_RGBA; *glFormat = GL_RGBA; *glType = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float #endif #elif defined(GRAPHICS_API_OPENGL_33) case UNCOMPRESSED_GRAYSCALE: *glInternalFormat = GL_R8; *glFormat = GL_RED; *glType = GL_UNSIGNED_BYTE; break; @@ -2141,100 +2285,83 @@ void rlGetGlTextureFormats(int format, unsigned int *glInternalFormat, unsigned case UNCOMPRESSED_R5G5B5A1: *glInternalFormat = GL_RGB5_A1; *glFormat = GL_RGBA; *glType = GL_UNSIGNED_SHORT_5_5_5_1; break; case UNCOMPRESSED_R4G4B4A4: *glInternalFormat = GL_RGBA4; *glFormat = GL_RGBA; *glType = GL_UNSIGNED_SHORT_4_4_4_4; break; case UNCOMPRESSED_R8G8B8A8: *glInternalFormat = GL_RGBA8; *glFormat = GL_RGBA; *glType = GL_UNSIGNED_BYTE; break; - case UNCOMPRESSED_R32: if (texFloatSupported) *glInternalFormat = GL_R32F; *glFormat = GL_RED; *glType = GL_FLOAT; break; - case UNCOMPRESSED_R32G32B32: if (texFloatSupported) *glInternalFormat = GL_RGB32F; *glFormat = GL_RGB; *glType = GL_FLOAT; break; - case UNCOMPRESSED_R32G32B32A32: if (texFloatSupported) *glInternalFormat = GL_RGBA32F; *glFormat = GL_RGBA; *glType = GL_FLOAT; break; + case UNCOMPRESSED_R32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_R32F; *glFormat = GL_RED; *glType = GL_FLOAT; break; + case UNCOMPRESSED_R32G32B32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_RGB32F; *glFormat = GL_RGB; *glType = GL_FLOAT; break; + case UNCOMPRESSED_R32G32B32A32: if (RLGL.ExtSupported.texFloat32) *glInternalFormat = GL_RGBA32F; *glFormat = GL_RGBA; *glType = GL_FLOAT; break; #endif #if !defined(GRAPHICS_API_OPENGL_11) - case COMPRESSED_DXT1_RGB: if (texCompDXTSupported) *glInternalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; break; - case COMPRESSED_DXT1_RGBA: if (texCompDXTSupported) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break; - case COMPRESSED_DXT3_RGBA: if (texCompDXTSupported) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break; - case COMPRESSED_DXT5_RGBA: if (texCompDXTSupported) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break; - case COMPRESSED_ETC1_RGB: if (texCompETC1Supported) *glInternalFormat = GL_ETC1_RGB8_OES; break; // NOTE: Requires OpenGL ES 2.0 or OpenGL 4.3 - case COMPRESSED_ETC2_RGB: if (texCompETC2Supported) *glInternalFormat = GL_COMPRESSED_RGB8_ETC2; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 - case COMPRESSED_ETC2_EAC_RGBA: if (texCompETC2Supported) *glInternalFormat = GL_COMPRESSED_RGBA8_ETC2_EAC; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 - case COMPRESSED_PVRT_RGB: if (texCompPVRTSupported) *glInternalFormat = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU - case COMPRESSED_PVRT_RGBA: if (texCompPVRTSupported) *glInternalFormat = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU - case COMPRESSED_ASTC_4x4_RGBA: if (texCompASTCSupported) *glInternalFormat = GL_COMPRESSED_RGBA_ASTC_4x4_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 - case COMPRESSED_ASTC_8x8_RGBA: if (texCompASTCSupported) *glInternalFormat = GL_COMPRESSED_RGBA_ASTC_8x8_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 + case COMPRESSED_DXT1_RGB: if (RLGL.ExtSupported.texCompDXT) *glInternalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; break; + case COMPRESSED_DXT1_RGBA: if (RLGL.ExtSupported.texCompDXT) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break; + case COMPRESSED_DXT3_RGBA: if (RLGL.ExtSupported.texCompDXT) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break; + case COMPRESSED_DXT5_RGBA: if (RLGL.ExtSupported.texCompDXT) *glInternalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break; + case COMPRESSED_ETC1_RGB: if (RLGL.ExtSupported.texCompETC1) *glInternalFormat = GL_ETC1_RGB8_OES; break; // NOTE: Requires OpenGL ES 2.0 or OpenGL 4.3 + case COMPRESSED_ETC2_RGB: if (RLGL.ExtSupported.texCompETC2) *glInternalFormat = GL_COMPRESSED_RGB8_ETC2; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 + case COMPRESSED_ETC2_EAC_RGBA: if (RLGL.ExtSupported.texCompETC2) *glInternalFormat = GL_COMPRESSED_RGBA8_ETC2_EAC; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 + case COMPRESSED_PVRT_RGB: if (RLGL.ExtSupported.texCompPVRT) *glInternalFormat = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU + case COMPRESSED_PVRT_RGBA: if (RLGL.ExtSupported.texCompPVRT) *glInternalFormat = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU + case COMPRESSED_ASTC_4x4_RGBA: if (RLGL.ExtSupported.texCompASTC) *glInternalFormat = GL_COMPRESSED_RGBA_ASTC_4x4_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 + case COMPRESSED_ASTC_8x8_RGBA: if (RLGL.ExtSupported.texCompASTC) *glInternalFormat = GL_COMPRESSED_RGBA_ASTC_8x8_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 #endif - default: TraceLog(LOG_WARNING, "Texture format not supported"); break; + default: TRACELOG(LOG_WARNING, "TEXTURE: Current format not supported (%i)", format); break; } } // Unload texture from GPU memory void rlUnloadTexture(unsigned int id) { - if (id > 0) glDeleteTextures(1, &id); + glDeleteTextures(1, &id); } -// Load a texture to be used for rendering (fbo with default color and depth attachments) -// NOTE: If colorFormat or depthBits are no supported, no attachment is done -RenderTexture2D rlLoadRenderTexture(int width, int height, int format, int depthBits, bool useDepthTexture) +// Load a framebuffer to be used for rendering +// NOTE: No textures attached +unsigned int rlLoadFramebuffer(int width, int height) { - RenderTexture2D target = { 0 }; - -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (useDepthTexture && texDepthSupported) target.depthTexture = true; - - // Create the framebuffer object - glGenFramebuffers(1, &target.id); - glBindFramebuffer(GL_FRAMEBUFFER, target.id); - - // Create fbo color texture attachment - //----------------------------------------------------------------------------------------------------- - if ((format != -1) && (format < COMPRESSED_DXT1_RGB)) - { - // WARNING: Some texture formats are not supported for fbo color attachment - target.texture.id = rlLoadTexture(NULL, width, height, format, 1); - target.texture.width = width; - target.texture.height = height; - target.texture.format = format; - target.texture.mipmaps = 1; - } - //----------------------------------------------------------------------------------------------------- - - // Create fbo depth renderbuffer/texture - //----------------------------------------------------------------------------------------------------- - if (depthBits > 0) - { - target.depth.id = rlLoadTextureDepth(width, height, depthBits, !useDepthTexture); - target.depth.width = width; - target.depth.height = height; - target.depth.format = 19; //DEPTH_COMPONENT_24BIT? - target.depth.mipmaps = 1; - } - //----------------------------------------------------------------------------------------------------- - - // Attach color texture and depth renderbuffer to FBO - //----------------------------------------------------------------------------------------------------- - rlRenderTextureAttach(target, target.texture.id, 0); // COLOR attachment - rlRenderTextureAttach(target, target.depth.id, 1); // DEPTH attachment - //----------------------------------------------------------------------------------------------------- + unsigned int fboId = 0; - // Check if fbo is complete with attachments (valid) - //----------------------------------------------------------------------------------------------------- - if (rlRenderTextureComplete(target)) TraceLog(LOG_INFO, "[FBO ID %i] Framebuffer object created successfully", target.id); - //----------------------------------------------------------------------------------------------------- - - glBindFramebuffer(GL_FRAMEBUFFER, 0); +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) + glGenFramebuffers(1, &fboId); // Create the framebuffer object + glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind any framebuffer #endif - return target; + return fboId; } // Attach color buffer texture to an fbo (unloads previous attachment) // NOTE: Attach type: 0-Color, 1-Depth renderbuffer, 2-Depth texture -void rlRenderTextureAttach(RenderTexture2D target, unsigned int id, int attachType) +void rlFramebufferAttach(unsigned int fboId, unsigned int texId, int attachType, int texType) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - glBindFramebuffer(GL_FRAMEBUFFER, target.id); +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) + glBindFramebuffer(GL_FRAMEBUFFER, fboId); - if (attachType == 0) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, id, 0); - else if (attachType == 1) + switch (attachType) { - if (target.depthTexture) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, id, 0); - else glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, id); + case RL_ATTACHMENT_COLOR_CHANNEL0: + case RL_ATTACHMENT_COLOR_CHANNEL1: + case RL_ATTACHMENT_COLOR_CHANNEL2: + case RL_ATTACHMENT_COLOR_CHANNEL3: + case RL_ATTACHMENT_COLOR_CHANNEL4: + case RL_ATTACHMENT_COLOR_CHANNEL5: + case RL_ATTACHMENT_COLOR_CHANNEL6: + case RL_ATTACHMENT_COLOR_CHANNEL7: + { + if (texType == RL_ATTACHMENT_TEXTURE2D) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + attachType, GL_TEXTURE_2D, texId, 0); + else if (texType == RL_ATTACHMENT_RENDERBUFFER) glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + attachType, GL_RENDERBUFFER, texId); + else if (texType >= RL_ATTACHMENT_CUBEMAP_POSITIVE_X) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + attachType, GL_TEXTURE_CUBE_MAP_POSITIVE_X + texType, texId, 0); + + } break; + case RL_ATTACHMENT_DEPTH: + { + if (texType == RL_ATTACHMENT_TEXTURE2D) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, texId, 0); + else if (texType == RL_ATTACHMENT_RENDERBUFFER) glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, texId); + + } break; + case RL_ATTACHMENT_STENCIL: + { + if (texType == RL_ATTACHMENT_TEXTURE2D) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, texId, 0); + else if (texType == RL_ATTACHMENT_RENDERBUFFER) glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, texId); + + } break; + default: break; } glBindFramebuffer(GL_FRAMEBUFFER, 0); @@ -2242,12 +2369,12 @@ void rlRenderTextureAttach(RenderTexture2D target, unsigned int id, int attachTy } // Verify render texture is complete -bool rlRenderTextureComplete(RenderTexture target) +bool rlFramebufferComplete(unsigned int id) { bool result = false; -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - glBindFramebuffer(GL_FRAMEBUFFER, target.id); +#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) && defined(SUPPORT_RENDER_TEXTURES_HINT) + glBindFramebuffer(GL_FRAMEBUFFER, id); GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); @@ -2255,12 +2382,12 @@ bool rlRenderTextureComplete(RenderTexture target) { switch (status) { - case GL_FRAMEBUFFER_UNSUPPORTED: TraceLog(LOG_WARNING, "Framebuffer is unsupported"); break; - case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: TraceLog(LOG_WARNING, "Framebuffer has incomplete attachment"); break; + case GL_FRAMEBUFFER_UNSUPPORTED: TRACELOG(LOG_WARNING, "FBO: [ID %i] Framebuffer is unsupported", id); break; + case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: TRACELOG(LOG_WARNING, "FBO: [ID %i] Framebuffer has incomplete attachment", id); break; #if defined(GRAPHICS_API_OPENGL_ES2) - case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS: TraceLog(LOG_WARNING, "Framebuffer has incomplete dimensions"); break; + case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS: TRACELOG(LOG_WARNING, "FBO: [ID %i] Framebuffer has incomplete dimensions", id); break; #endif - case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: TraceLog(LOG_WARNING, "Framebuffer has a missing attachment"); break; + case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: TRACELOG(LOG_WARNING, "FBO: [ID %i] Framebuffer has a missing attachment", id); break; default: break; } } @@ -2318,16 +2445,15 @@ void rlGenerateMipmaps(Texture2D *texture) texture->mipmaps = mipmapCount + 1; RL_FREE(data); // Once mipmaps have been generated and data has been uploaded to GPU VRAM, we can discard RAM data - TraceLog(LOG_WARNING, "[TEX ID %i] Mipmaps [%i] generated manually on CPU side", texture->id, texture->mipmaps); + TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Mipmaps generated manually on CPU side, total: %i", texture->id, texture->mipmaps); } - else TraceLog(LOG_WARNING, "[TEX ID %i] Mipmaps could not be generated for texture format", texture->id); + else TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Failed to generate mipmaps for provided texture format", texture->id); } #elif defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if ((texIsPOT) || (texNPOTSupported)) + if ((texIsPOT) || (RLGL.ExtSupported.texNPOT)) { //glHint(GL_GENERATE_MIPMAP_HINT, GL_DONT_CARE); // Hint for mipmaps generation algorythm: GL_FASTEST, GL_NICEST, GL_DONT_CARE glGenerateMipmap(GL_TEXTURE_2D); // Generate mipmaps automatically - TraceLog(LOG_INFO, "[TEX ID %i] Mipmaps generated automatically", texture->id); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); // Activate Trilinear filtering for mipmaps @@ -2336,9 +2462,10 @@ void rlGenerateMipmaps(Texture2D *texture) #define MAX(a,b) (((a)>(b))?(a):(b)) texture->mipmaps = 1 + (int)floor(log(MAX(texture->width, texture->height))/log(2)); + TRACELOG(LOG_INFO, "TEXTURE: [ID %i] Mipmaps generated automatically, total: %i", texture->id, texture->mipmaps); } #endif - else TraceLog(LOG_WARNING, "[TEX ID %i] Mipmaps can not be generated", texture->id); + else TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Failed to generate mipmaps", texture->id); glBindTexture(GL_TEXTURE_2D, 0); } @@ -2349,7 +2476,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) if (mesh->vaoId > 0) { // Check if mesh has already been loaded in GPU - TraceLog(LOG_WARNING, "Trying to re-load an already loaded mesh"); + TRACELOG(LOG_WARNING, "VAO: [ID %i] Trying to re-load an already loaded mesh", mesh->vaoId); return; } @@ -2366,7 +2493,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) int drawHint = GL_STATIC_DRAW; if (dynamic) drawHint = GL_DYNAMIC_DRAW; - if (vaoSupported) + if (RLGL.ExtSupported.vao) { // Initialize Quads VAO (Buffer A) glGenVertexArrays(1, &mesh->vaoId); @@ -2378,14 +2505,14 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) // Enable vertex attributes: position (shader-location = 0) glGenBuffers(1, &mesh->vboId[0]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[0]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->vertices, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*3*sizeof(float), mesh->vertices, drawHint); glVertexAttribPointer(0, 3, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(0); // Enable vertex attributes: texcoords (shader-location = 1) glGenBuffers(1, &mesh->vboId[1]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[1]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*2*sizeof(float), mesh->texcoords, drawHint); glVertexAttribPointer(1, 2, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(1); @@ -2394,7 +2521,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) { glGenBuffers(1, &mesh->vboId[2]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[2]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->normals, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*3*sizeof(float), mesh->normals, drawHint); glVertexAttribPointer(2, 3, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(2); } @@ -2410,7 +2537,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) { glGenBuffers(1, &mesh->vboId[3]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[3]); - glBufferData(GL_ARRAY_BUFFER, sizeof(unsigned char)*4*mesh->vertexCount, mesh->colors, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*4*sizeof(unsigned char), mesh->colors, drawHint); glVertexAttribPointer(3, 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0); glEnableVertexAttribArray(3); } @@ -2426,7 +2553,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) { glGenBuffers(1, &mesh->vboId[4]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[4]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*4*mesh->vertexCount, mesh->tangents, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*4*sizeof(float), mesh->tangents, drawHint); glVertexAttribPointer(4, 4, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(4); } @@ -2442,7 +2569,7 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) { glGenBuffers(1, &mesh->vboId[5]); glBindBuffer(GL_ARRAY_BUFFER, mesh->vboId[5]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords2, drawHint); + glBufferData(GL_ARRAY_BUFFER, mesh->vertexCount*2*sizeof(float), mesh->texcoords2, drawHint); glVertexAttribPointer(5, 2, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(5); } @@ -2457,17 +2584,17 @@ void rlLoadMesh(Mesh *mesh, bool dynamic) { glGenBuffers(1, &mesh->vboId[6]); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->vboId[6]); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned short)*mesh->triangleCount*3, mesh->indices, GL_STATIC_DRAW); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, mesh->triangleCount*3*sizeof(unsigned short), mesh->indices, drawHint); } - if (vaoSupported) + if (RLGL.ExtSupported.vao) { - if (mesh->vaoId > 0) TraceLog(LOG_INFO, "[VAO ID %i] Mesh uploaded successfully to VRAM (GPU)", mesh->vaoId); - else TraceLog(LOG_WARNING, "Mesh could not be uploaded to VRAM (GPU)"); + if (mesh->vaoId > 0) TRACELOG(LOG_INFO, "VAO: [ID %i] Mesh uploaded successfully to VRAM (GPU)", mesh->vaoId); + else TRACELOG(LOG_WARNING, "VAO: Failed to load mesh to VRAM (GPU)"); } else { - TraceLog(LOG_INFO, "[VBOs] Mesh uploaded successfully to VRAM (GPU)"); + TRACELOG(LOG_INFO, "VBO: Mesh uploaded successfully to VRAM (GPU)"); } #endif } @@ -2481,7 +2608,7 @@ unsigned int rlLoadAttribBuffer(unsigned int vaoId, int shaderLoc, void *buffer, int drawHint = GL_STATIC_DRAW; if (dynamic) drawHint = GL_DYNAMIC_DRAW; - if (vaoSupported) glBindVertexArray(vaoId); + if (RLGL.ExtSupported.vao) glBindVertexArray(vaoId); glGenBuffers(1, &id); glBindBuffer(GL_ARRAY_BUFFER, id); @@ -2489,66 +2616,93 @@ unsigned int rlLoadAttribBuffer(unsigned int vaoId, int shaderLoc, void *buffer, glVertexAttribPointer(shaderLoc, 2, GL_FLOAT, 0, 0, 0); glEnableVertexAttribArray(shaderLoc); - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); #endif return id; } -// Update vertex data on GPU (upload new data to one buffer) -void rlUpdateMesh(Mesh mesh, int buffer, int numVertex) +// Update vertex or index data on GPU (upload new data to one buffer) +void rlUpdateMesh(Mesh mesh, int buffer, int count) +{ + rlUpdateMeshAt(mesh, buffer, count, 0); +} + +// Update vertex or index data on GPU, at index +// WARNING: error checking is in place that will cause the data to not be +// updated if offset + size exceeds what the buffer can hold +void rlUpdateMeshAt(Mesh mesh, int buffer, int count, int index) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) // Activate mesh VAO - if (vaoSupported) glBindVertexArray(mesh.vaoId); + if (RLGL.ExtSupported.vao) glBindVertexArray(mesh.vaoId); switch (buffer) { case 0: // Update vertices (vertex position) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[0]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*numVertex, mesh.vertices, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*3*numVertex, mesh.vertices); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*3*sizeof(float), mesh.vertices, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*3*sizeof(float), count*3*sizeof(float), mesh.vertices); } break; case 1: // Update texcoords (vertex texture coordinates) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[1]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*numVertex, mesh.texcoords, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*2*numVertex, mesh.texcoords); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*2*sizeof(float), mesh.texcoords, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*2*sizeof(float), count*2*sizeof(float), mesh.texcoords); } break; case 2: // Update normals (vertex normals) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[2]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*numVertex, mesh.normals, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*3*numVertex, mesh.normals); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*3*sizeof(float), mesh.normals, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*3*sizeof(float), count*3*sizeof(float), mesh.normals); } break; case 3: // Update colors (vertex colors) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[3]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*4*numVertex, mesh.colors, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(unsigned char)*4*numVertex, mesh.colors); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*4*sizeof(unsigned char), mesh.colors, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*4*sizeof(unsigned char), count*4*sizeof(unsigned char), mesh.colors); } break; case 4: // Update tangents (vertex tangents) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[4]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*4*numVertex, mesh.tangents, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*4*numVertex, mesh.tangents); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*4*sizeof(float), mesh.tangents, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*4*sizeof(float), count*4*sizeof(float), mesh.tangents); + } break; case 5: // Update texcoords2 (vertex second texture coordinates) { glBindBuffer(GL_ARRAY_BUFFER, mesh.vboId[5]); - if (numVertex >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*numVertex, mesh.texcoords2, GL_DYNAMIC_DRAW); - else glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*2*numVertex, mesh.texcoords2); + if (index == 0 && count >= mesh.vertexCount) glBufferData(GL_ARRAY_BUFFER, count*2*sizeof(float), mesh.texcoords2, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.vertexCount) break; + else glBufferSubData(GL_ARRAY_BUFFER, index*2*sizeof(float), count*2*sizeof(float), mesh.texcoords2); + + } break; + case 6: // Update indices (triangle index buffer) + { + // the * 3 is because each triangle has 3 indices + unsigned short *indices = mesh.indices; + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.vboId[6]); + + if (index == 0 && count >= mesh.triangleCount) glBufferData(GL_ELEMENT_ARRAY_BUFFER, count*3*sizeof(*indices), indices, GL_DYNAMIC_DRAW); + else if (index + count >= mesh.triangleCount) break; + else glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, index*3*sizeof(*indices), count*3*sizeof(*indices), indices); + } break; default: break; } // Unbind the current VAO - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); // Another option would be using buffer mapping... //mesh.vertices = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE); @@ -2615,16 +2769,21 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform) (float)material.maps[MAP_SPECULAR].color.b/255.0f, (float)material.maps[MAP_SPECULAR].color.a/255.0f); - if (material.shader.locs[LOC_MATRIX_VIEW] != -1) SetShaderValueMatrix(material.shader, material.shader.locs[LOC_MATRIX_VIEW], modelview); - if (material.shader.locs[LOC_MATRIX_PROJECTION] != -1) SetShaderValueMatrix(material.shader, material.shader.locs[LOC_MATRIX_PROJECTION], projection); + if (material.shader.locs[LOC_MATRIX_VIEW] != -1) SetShaderValueMatrix(material.shader, material.shader.locs[LOC_MATRIX_VIEW], RLGL.State.modelview); + if (material.shader.locs[LOC_MATRIX_PROJECTION] != -1) SetShaderValueMatrix(material.shader, material.shader.locs[LOC_MATRIX_PROJECTION], RLGL.State.projection); // At this point the modelview matrix just contains the view matrix (camera) // That's because BeginMode3D() sets it an no model-drawing function modifies it, all use rlPushMatrix() and rlPopMatrix() - Matrix matView = modelview; // View matrix (camera) - Matrix matProjection = projection; // Projection matrix (perspective) + Matrix matView = RLGL.State.modelview; // View matrix (camera) + Matrix matProjection = RLGL.State.projection; // Projection matrix (perspective) - // Calculate model-view matrix combining matModel and matView - Matrix matModelView = MatrixMultiply(transform, matView); // Transform to camera-space coordinates + // TODO: Consider possible transform matrices in the RLGL.State.stack + // Is this the right order? or should we start with the first stored matrix instead of the last one? + //Matrix matStackTransform = MatrixIdentity(); + //for (int i = RLGL.State.stackCounter; i > 0; i--) matStackTransform = MatrixMultiply(RLGL.State.stack[i], matStackTransform); + + // Transform to camera-space coordinates + Matrix matModelView = MatrixMultiply(transform, MatrixMultiply(RLGL.State.transform, matView)); //----------------------------------------------------- // Bind active texture maps (if available) @@ -2641,7 +2800,7 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform) } // Bind vertex array objects (or VBOs) - if (vaoSupported) glBindVertexArray(mesh.vaoId); + if (RLGL.ExtSupported.vao) glBindVertexArray(mesh.vaoId); else { // Bind mesh VBO data: vertex position (shader-location = 0) @@ -2701,18 +2860,18 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform) int eyesCount = 1; #if defined(SUPPORT_VR_SIMULATOR) - if (vrStereoRender) eyesCount = 2; + if (RLGL.Vr.stereoRender) eyesCount = 2; #endif for (int eye = 0; eye < eyesCount; eye++) { - if (eyesCount == 1) modelview = matModelView; + if (eyesCount == 1) RLGL.State.modelview = matModelView; #if defined(SUPPORT_VR_SIMULATOR) else SetStereoView(eye, matProjection, matModelView); #endif // Calculate model-view-projection matrix (MVP) - Matrix matMVP = MatrixMultiply(modelview, projection); // Transform to screen-space coordinates + Matrix matMVP = MatrixMultiply(RLGL.State.modelview, RLGL.State.projection); // Transform to screen-space coordinates // Send combined model-view-projection matrix to shader glUniformMatrix4fv(material.shader.locs[LOC_MATRIX_MVP], 1, false, MatrixToFloat(matMVP)); @@ -2731,7 +2890,7 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform) } // Unind vertex array objects (or VBOs) - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); else { glBindBuffer(GL_ARRAY_BUFFER, 0); @@ -2741,38 +2900,134 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform) // Unbind shader program glUseProgram(0); - // Restore projection/modelview matrices + // Restore RLGL.State.projection/RLGL.State.modelview matrices // NOTE: In stereo rendering matrices are being modified to fit every eye - projection = matProjection; - modelview = matView; + RLGL.State.projection = matProjection; + RLGL.State.modelview = matView; +#endif +} + +// Draw a 3d mesh with material and transform +void rlDrawMeshInstanced(Mesh mesh, Material material, Matrix *transforms, int count) +{ +#if defined(GRAPHICS_API_OPENGL_33) + // Bind shader program + glUseProgram(material.shader.id); + + // Upload to shader material.colDiffuse + if (material.shader.locs[LOC_COLOR_DIFFUSE] != -1) + glUniform4f(material.shader.locs[LOC_COLOR_DIFFUSE], (float)material.maps[MAP_DIFFUSE].color.r/255.0f, + (float)material.maps[MAP_DIFFUSE].color.g/255.0f, + (float)material.maps[MAP_DIFFUSE].color.b/255.0f, + (float)material.maps[MAP_DIFFUSE].color.a/255.0f); + + // Upload to shader material.colSpecular (if available) + if (material.shader.locs[LOC_COLOR_SPECULAR] != -1) + glUniform4f(material.shader.locs[LOC_COLOR_SPECULAR], (float)material.maps[MAP_SPECULAR].color.r/255.0f, + (float)material.maps[MAP_SPECULAR].color.g/255.0f, + (float)material.maps[MAP_SPECULAR].color.b/255.0f, + (float)material.maps[MAP_SPECULAR].color.a/255.0f); + + // Bind active texture maps (if available) + for (int i = 0; i < MAX_MATERIAL_MAPS; i++) + { + if (material.maps[i].texture.id > 0) + { + glActiveTexture(GL_TEXTURE0 + i); + if ((i == MAP_IRRADIANCE) || (i == MAP_PREFILTER) || (i == MAP_CUBEMAP)) + glBindTexture(GL_TEXTURE_CUBE_MAP, material.maps[i].texture.id); + else glBindTexture(GL_TEXTURE_2D, material.maps[i].texture.id); + + glUniform1i(material.shader.locs[LOC_MAP_DIFFUSE + i], i); + } + } + + // Bind vertex array objects (or VBOs) + glBindVertexArray(mesh.vaoId); + + // At this point the modelview matrix just contains the view matrix (camera) + // For instanced shaders "mvp" is not premultiplied by any instance transform, only RLGL.State.transform + glUniformMatrix4fv(material.shader.locs[LOC_MATRIX_MVP], 1, false, + MatrixToFloat(MatrixMultiply(MatrixMultiply(RLGL.State.transform, RLGL.State.modelview), RLGL.State.projection))); + + float16* instances = RL_MALLOC(count*sizeof(float16)); + + for (int i = 0; i < count; i++) instances[i] = MatrixToFloatV(transforms[i]); + + // This could alternatively use a static VBO and either glMapBuffer or glBufferSubData. + // It isn't clear which would be reliably faster in all cases and on all platforms, and + // anecdotally glMapBuffer seems very slow (syncs) while glBufferSubData seems no faster + // since we're transferring all the transform matrices anyway. + unsigned int instancesB = 0; + glGenBuffers(1, &instancesB); + glBindBuffer(GL_ARRAY_BUFFER, instancesB); + glBufferData(GL_ARRAY_BUFFER, count*sizeof(float16), instances, GL_STATIC_DRAW); + + // Instances are put in LOC_MATRIX_MODEL attribute location with space for 4x Vector4, eg: + // layout (location = 12) in mat4 instance; + unsigned int instanceA = material.shader.locs[LOC_MATRIX_MODEL]; + + for (unsigned int i = 0; i < 4; i++) + { + glEnableVertexAttribArray(instanceA+i); + glVertexAttribPointer(instanceA + i, 4, GL_FLOAT, GL_FALSE, sizeof(Matrix), (void *)(i*sizeof(Vector4))); + glVertexAttribDivisor(instanceA + i, 1); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); + + // Draw call! + if (mesh.indices != NULL) glDrawElementsInstanced(GL_TRIANGLES, mesh.triangleCount*3, GL_UNSIGNED_SHORT, 0, count); + else glDrawArraysInstanced(GL_TRIANGLES, 0, mesh.vertexCount, count); + + glDeleteBuffers(1, &instancesB); + RL_FREE(instances); + + // Unbind all binded texture maps + for (int i = 0; i < MAX_MATERIAL_MAPS; i++) + { + glActiveTexture(GL_TEXTURE0 + i); // Set shader active texture + if ((i == MAP_IRRADIANCE) || (i == MAP_PREFILTER) || (i == MAP_CUBEMAP)) glBindTexture(GL_TEXTURE_CUBE_MAP, 0); + else glBindTexture(GL_TEXTURE_2D, 0); // Unbind current active texture + } + + // Unind vertex array objects (or VBOs) + glBindVertexArray(0); + + // Unbind shader program + glUseProgram(0); + +#else + TRACELOG(LOG_ERROR, "VAO: Instanced rendering requires GRAPHICS_API_OPENGL_33"); #endif } // Unload mesh data from CPU and GPU -void rlUnloadMesh(Mesh *mesh) +void rlUnloadMesh(Mesh mesh) { - RL_FREE(mesh->vertices); - RL_FREE(mesh->texcoords); - RL_FREE(mesh->normals); - RL_FREE(mesh->colors); - RL_FREE(mesh->tangents); - RL_FREE(mesh->texcoords2); - RL_FREE(mesh->indices); - - RL_FREE(mesh->animVertices); - RL_FREE(mesh->animNormals); - RL_FREE(mesh->boneWeights); - RL_FREE(mesh->boneIds); - - rlDeleteBuffers(mesh->vboId[0]); // vertex - rlDeleteBuffers(mesh->vboId[1]); // texcoords - rlDeleteBuffers(mesh->vboId[2]); // normals - rlDeleteBuffers(mesh->vboId[3]); // colors - rlDeleteBuffers(mesh->vboId[4]); // tangents - rlDeleteBuffers(mesh->vboId[5]); // texcoords2 - rlDeleteBuffers(mesh->vboId[6]); // indices - - rlDeleteVertexArrays(mesh->vaoId); + RL_FREE(mesh.vertices); + RL_FREE(mesh.texcoords); + RL_FREE(mesh.normals); + RL_FREE(mesh.colors); + RL_FREE(mesh.tangents); + RL_FREE(mesh.texcoords2); + RL_FREE(mesh.indices); + + RL_FREE(mesh.animVertices); + RL_FREE(mesh.animNormals); + RL_FREE(mesh.boneWeights); + RL_FREE(mesh.boneIds); + +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + for (int i = 0; i < 7; i++) glDeleteBuffers(1, &mesh.vboId[i]); // DEFAULT_MESH_VERTEX_BUFFERS (model.c) + if (RLGL.ExtSupported.vao) + { + glBindVertexArray(0); + glDeleteVertexArrays(1, &mesh.vaoId); + TRACELOG(LOG_INFO, "VAO: [ID %i] Unloaded vertex data from VRAM (GPU)", mesh.vaoId); + } + else TRACELOG(LOG_INFO, "VBO: Unloaded vertex data from VRAM (GPU)"); +#endif } // Read screen pixel data (color buffer) @@ -2785,7 +3040,7 @@ unsigned char *rlReadScreenPixels(int width, int height) glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, screenData); // Flip image vertically! - unsigned char *imgData = (unsigned char *)RL_MALLOC(width*height*sizeof(unsigned char)*4); + unsigned char *imgData = (unsigned char *)RL_MALLOC(width*height*4*sizeof(unsigned char)); for (int y = height - 1; y >= 0; y--) { @@ -2831,10 +3086,10 @@ void *rlReadTexturePixels(Texture2D texture) if ((glInternalFormat != -1) && (texture.format < COMPRESSED_DXT1_RGB)) { - pixels = (unsigned char *)RL_MALLOC(size); + pixels = RL_MALLOC(size); glGetTexImage(GL_TEXTURE_2D, 0, glFormat, glType, pixels); } - else TraceLog(LOG_WARNING, "Texture data retrieval not suported for pixel format"); + else TRACELOG(LOG_WARNING, "TEXTURE: [ID %i] Data retrieval not suported for pixel format (%i)", texture.id, texture.format); glBindTexture(GL_TEXTURE_2D, 0); #endif @@ -2847,32 +3102,24 @@ void *rlReadTexturePixels(Texture2D texture) // 2 - Create an fbo, activate it, render quad with texture, glReadPixels() // We are using Option 1, just need to care for texture format on retrieval // NOTE: This behaviour could be conditioned by graphic driver... - RenderTexture2D fbo = rlLoadRenderTexture(texture.width, texture.height, UNCOMPRESSED_R8G8B8A8, 16, false); + unsigned int fboId = rlLoadFramebuffer(texture.width, texture.height); + + // TODO: Create depth texture/renderbuffer for fbo? - glBindFramebuffer(GL_FRAMEBUFFER, fbo.id); + glBindFramebuffer(GL_FRAMEBUFFER, fboId); glBindTexture(GL_TEXTURE_2D, 0); // Attach our texture to FBO - // NOTE: Previoust attached texture is automatically detached glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture.id, 0); - // Allocate enough memory to read back our texture data - pixels = (unsigned char *)RL_MALLOC(GetPixelDataSize(texture.width, texture.height, texture.format)); - - // Get OpenGL internal formats and data type from our texture format - unsigned int glInternalFormat, glFormat, glType; - rlGetGlTextureFormats(texture.format, &glInternalFormat, &glFormat, &glType); - - // NOTE: We read data as RGBA because FBO texture is configured as RGBA, despite binding a RGB texture... - glReadPixels(0, 0, texture.width, texture.height, glFormat, glType, pixels); - - // Re-attach internal FBO color texture before deleting it - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fbo.texture.id, 0); + // We read data as RGBA because FBO texture is configured as RGBA, despite binding another texture format + pixels = (unsigned char *)RL_MALLOC(GetPixelDataSize(texture.width, texture.height, UNCOMPRESSED_R8G8B8A8)); + glReadPixels(0, 0, texture.width, texture.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels); glBindFramebuffer(GL_FRAMEBUFFER, 0); // Clean up temporal fbo - rlDeleteRenderTextures(fbo); + rlUnloadFramebuffer(fboId); #endif return pixels; @@ -2888,7 +3135,7 @@ Texture2D GetTextureDefault(void) { Texture2D texture = { 0 }; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - texture.id = defaultTextureId; + texture.id = RLGL.State.defaultTextureId; texture.width = 1; texture.height = 1; texture.mipmaps = 1; @@ -2897,47 +3144,46 @@ Texture2D GetTextureDefault(void) return texture; } -// Get default shader -Shader GetShaderDefault(void) +// Get texture to draw shapes (RAII) +Texture2D GetShapesTexture(void) { -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - return defaultShader; +#if defined(GRAPHICS_API_OPENGL_11) + Texture2D texture = { 0 }; + return texture; #else - Shader shader = { 0 }; - return shader; + return RLGL.State.shapesTexture; #endif } -// Load text data from file -// NOTE: text chars array should be freed manually -char *LoadText(const char *fileName) +// Get texture rectangle to draw shapes +Rectangle GetShapesTextureRec(void) { - FILE *textFile = NULL; - char *text = NULL; - - if (fileName != NULL) - { - textFile = fopen(fileName,"rt"); - - if (textFile != NULL) - { - fseek(textFile, 0, SEEK_END); - int size = ftell(textFile); - fseek(textFile, 0, SEEK_SET); - - if (size > 0) - { - text = (char *)RL_MALLOC(sizeof(char)*(size + 1)); - int count = fread(text, sizeof(char), size, textFile); - text[count] = '\0'; - } +#if defined(GRAPHICS_API_OPENGL_11) + Rectangle rec = { 0 }; + return rec; +#else + return RLGL.State.shapesTextureRec; +#endif +} - fclose(textFile); - } - else TraceLog(LOG_WARNING, "[%s] Text file could not be opened", fileName); - } +// Define default texture used to draw shapes +void SetShapesTexture(Texture2D texture, Rectangle source) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + RLGL.State.shapesTexture = texture; + RLGL.State.shapesTextureRec = source; +#endif +} - return text; +// Get default shader +Shader GetShaderDefault(void) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + return RLGL.State.defaultShader; +#else + Shader shader = { 0 }; + return shader; +#endif } // Load shader from files and bind default locations @@ -2946,11 +3192,13 @@ Shader LoadShader(const char *vsFileName, const char *fsFileName) { Shader shader = { 0 }; + // NOTE: Shader.locs is allocated by LoadShaderCode() + char *vShaderStr = NULL; char *fShaderStr = NULL; - if (vsFileName != NULL) vShaderStr = LoadText(vsFileName); - if (fsFileName != NULL) fShaderStr = LoadText(fsFileName); + if (vsFileName != NULL) vShaderStr = LoadFileText(vsFileName); + if (fsFileName != NULL) fShaderStr = LoadFileText(fsFileName); shader = LoadShaderCode(vShaderStr, fShaderStr); @@ -2962,32 +3210,43 @@ Shader LoadShader(const char *vsFileName, const char *fsFileName) // Load shader from code strings // NOTE: If shader string is NULL, using default vertex/fragment shaders -Shader LoadShaderCode(char *vsCode, char *fsCode) +Shader LoadShaderCode(const char *vsCode, const char *fsCode) { Shader shader = { 0 }; + shader.locs = (int *)RL_CALLOC(MAX_SHADER_LOCATIONS, sizeof(int)); // NOTE: All locations must be reseted to -1 (no location) for (int i = 0; i < MAX_SHADER_LOCATIONS; i++) shader.locs[i] = -1; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - unsigned int vertexShaderId = defaultVShaderId; - unsigned int fragmentShaderId = defaultFShaderId; + unsigned int vertexShaderId = RLGL.State.defaultVShaderId; + unsigned int fragmentShaderId = RLGL.State.defaultFShaderId; if (vsCode != NULL) vertexShaderId = CompileShader(vsCode, GL_VERTEX_SHADER); if (fsCode != NULL) fragmentShaderId = CompileShader(fsCode, GL_FRAGMENT_SHADER); - if ((vertexShaderId == defaultVShaderId) && (fragmentShaderId == defaultFShaderId)) shader = defaultShader; + if ((vertexShaderId == RLGL.State.defaultVShaderId) && (fragmentShaderId == RLGL.State.defaultFShaderId)) shader = RLGL.State.defaultShader; else { shader.id = LoadShaderProgram(vertexShaderId, fragmentShaderId); - if (vertexShaderId != defaultVShaderId) glDeleteShader(vertexShaderId); - if (fragmentShaderId != defaultFShaderId) glDeleteShader(fragmentShaderId); + if (vertexShaderId != RLGL.State.defaultVShaderId) + { + // Detach shader before deletion to make sure memory is freed + glDetachShader(shader.id, vertexShaderId); + glDeleteShader(vertexShaderId); + } + if (fragmentShaderId != RLGL.State.defaultFShaderId) + { + // Detach shader before deletion to make sure memory is freed + glDetachShader(shader.id, fragmentShaderId); + glDeleteShader(fragmentShaderId); + } if (shader.id == 0) { - TraceLog(LOG_WARNING, "Custom shader could not be loaded"); - shader = defaultShader; + TRACELOG(LOG_WARNING, "SHADER: Failed to load custom shader code"); + shader = RLGL.State.defaultShader; } // After shader loading, we TRY to set default location names @@ -3000,7 +3259,7 @@ Shader LoadShaderCode(char *vsCode, char *fsCode) glGetProgramiv(shader.id, GL_ACTIVE_UNIFORMS, &uniformCount); - for(int i = 0; i < uniformCount; i++) + for (int i = 0; i < uniformCount; i++) { int namelen = -1; int num = -1; @@ -3008,14 +3267,11 @@ Shader LoadShaderCode(char *vsCode, char *fsCode) GLenum type = GL_ZERO; // Get the name of the uniforms - glGetActiveUniform(shader.id, i,sizeof(name) - 1, &namelen, &num, &type, name); + glGetActiveUniform(shader.id, i, sizeof(name) - 1, &namelen, &num, &type, name); name[namelen] = 0; - // Get the location of the named uniform - unsigned int location = glGetUniformLocation(shader.id, name); - - TraceLog(LOG_DEBUG, "[SHDR ID %i] Active uniform [%s] set at location: %i", shader.id, name, location); + TRACELOGD("SHADER: [ID %i] Active uniform (%s) set at location: %i", shader.id, name, glGetUniformLocation(shader.id, name)); } #endif @@ -3025,21 +3281,25 @@ Shader LoadShaderCode(char *vsCode, char *fsCode) // Unload shader from GPU memory (VRAM) void UnloadShader(Shader shader) { - if (shader.id > 0) +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + if (shader.id != RLGL.State.defaultShader.id) { - rlDeleteShader(shader.id); - TraceLog(LOG_INFO, "[SHDR ID %i] Unloaded shader program data", shader.id); + glDeleteProgram(shader.id); + RL_FREE(shader.locs); + + TRACELOG(LOG_INFO, "SHADER: [ID %i] Unloaded shader program data from VRAM (GPU)", shader.id); } +#endif } // Begin custom shader mode void BeginShaderMode(Shader shader) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (currentShader.id != shader.id) + if (RLGL.State.currentShader.id != shader.id) { - rlglDraw(); - currentShader = shader; + DrawRenderBatch(RLGL.currentBatch); + RLGL.State.currentShader = shader; } #endif } @@ -3048,7 +3308,7 @@ void BeginShaderMode(Shader shader) void EndShaderMode(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - BeginShaderMode(defaultShader); + BeginShaderMode(RLGL.State.defaultShader); #endif } @@ -3059,8 +3319,21 @@ int GetShaderLocation(Shader shader, const char *uniformName) #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) location = glGetUniformLocation(shader.id, uniformName); - if (location == -1) TraceLog(LOG_WARNING, "[SHDR ID %i][%s] Shader uniform could not be found", shader.id, uniformName); - else TraceLog(LOG_INFO, "[SHDR ID %i][%s] Shader uniform set at location: %i", shader.id, uniformName, location); + if (location == -1) TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to find shader uniform: %s", shader.id, uniformName); + else TRACELOG(LOG_INFO, "SHADER: [ID %i] Shader uniform (%s) set at location: %i", shader.id, uniformName, location); +#endif + return location; +} + +// Get shader attribute location +int GetShaderLocationAttrib(Shader shader, const char *attribName) +{ + int location = -1; +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + location = glGetAttribLocation(shader.id, attribName); + + if (location == -1) TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to find shader attribute: %s", shader.id, attribName); + else TRACELOG(LOG_INFO, "SHADER: [ID %i] Shader attribute (%s) set at location: %i", shader.id, attribName, location); #endif return location; } @@ -3088,7 +3361,7 @@ void SetShaderValueV(Shader shader, int uniformLoc, const void *value, int unifo case UNIFORM_IVEC3: glUniform3iv(uniformLoc, count, (int *)value); break; case UNIFORM_IVEC4: glUniform4iv(uniformLoc, count, (int *)value); break; case UNIFORM_SAMPLER2D: glUniform1iv(uniformLoc, count, (int *)value); break; - default: TraceLog(LOG_WARNING, "Shader uniform could not be set data type not recognized"); + default: TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to set uniform, data type not recognized", shader.id); } //glUseProgram(0); // Avoid reseting current shader program, in case other uniforms are set @@ -3114,127 +3387,154 @@ void SetShaderValueTexture(Shader shader, int uniformLoc, Texture2D texture) #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) glUseProgram(shader.id); - glUniform1i(uniformLoc, texture.id); + // Check if texture is already active + for (int i = 0; i < MAX_BATCH_ACTIVE_TEXTURES; i++) if (RLGL.State.activeTextureId[i] == texture.id) return; + + // Register a new active texture for the internal batch system + // NOTE: Default texture is always activated as GL_TEXTURE0 + for (int i = 0; i < MAX_BATCH_ACTIVE_TEXTURES; i++) + { + if (RLGL.State.activeTextureId[i] == 0) + { + glUniform1i(uniformLoc, 1 + i); // Activate new texture unit + RLGL.State.activeTextureId[i] = texture.id; // Save texture id for binding on drawing + break; + } + } //glUseProgram(0); #endif } // Set a custom projection matrix (replaces internal projection matrix) -void SetMatrixProjection(Matrix proj) +void SetMatrixProjection(Matrix projection) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - projection = proj; + RLGL.State.projection = projection; +#endif +} + +// Return internal projection matrix +Matrix GetMatrixProjection(void) { +#if defined(GRAPHICS_API_OPENGL_11) + float mat[16]; + glGetFloatv(GL_PROJECTION_MATRIX,mat); + Matrix m; + m.m0 = mat[0]; m.m1 = mat[1]; m.m2 = mat[2]; m.m3 = mat[3]; + m.m4 = mat[4]; m.m5 = mat[5]; m.m6 = mat[6]; m.m7 = mat[7]; + m.m8 = mat[8]; m.m9 = mat[9]; m.m10 = mat[10]; m.m11 = mat[11]; + m.m12 = mat[12]; m.m13 = mat[13]; m.m14 = mat[14]; m.m15 = mat[15]; + return m; +#else + return RLGL.State.projection; #endif +# } // Set a custom modelview matrix (replaces internal modelview matrix) void SetMatrixModelview(Matrix view) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - modelview = view; + RLGL.State.modelview = view; #endif } // Return internal modelview matrix -Matrix GetMatrixModelview() +Matrix GetMatrixModelview(void) { Matrix matrix = MatrixIdentity(); #if defined(GRAPHICS_API_OPENGL_11) float mat[16]; glGetFloatv(GL_MODELVIEW_MATRIX, mat); + matrix.m0 = mat[0]; matrix.m1 = mat[1]; matrix.m2 = mat[2]; matrix.m3 = mat[3]; + matrix.m4 = mat[4]; matrix.m5 = mat[5]; matrix.m6 = mat[6]; matrix.m7 = mat[7]; + matrix.m8 = mat[8]; matrix.m9 = mat[9]; matrix.m10 = mat[10]; matrix.m11 = mat[11]; + matrix.m12 = mat[12]; matrix.m13 = mat[13]; matrix.m14 = mat[14]; matrix.m15 = mat[15]; #else - matrix = modelview; + matrix = RLGL.State.modelview; #endif return matrix; } // Generate cubemap texture from HDR texture -// TODO: OpenGL ES 2.0 does not support GL_RGB16F texture format, neither GL_DEPTH_COMPONENT24 -Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size) +TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format) { - Texture2D cubemap = { 0 }; + TextureCubemap cubemap = { 0 }; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - // NOTE: SetShaderDefaultLocations() already setups locations for projection and view Matrix in shader - // Other locations should be setup externally in shader before calling the function + rlDisableBackfaceCulling(); // Disable backface culling to render inside the cube - // Set up depth face culling and cubemap seamless - glDisable(GL_CULL_FACE); -#if defined(GRAPHICS_API_OPENGL_33) - glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); // Flag not supported on OpenGL ES 2.0 -#endif + // STEP 1: Setup framebuffer + //------------------------------------------------------------------------------------------ + unsigned int rbo = rlLoadTextureDepth(size, size, true); + cubemap.id = rlLoadTextureCubemap(NULL, size, format); - // Setup framebuffer - unsigned int fbo, rbo; - glGenFramebuffers(1, &fbo); - glGenRenderbuffers(1, &rbo); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); - glBindRenderbuffer(GL_RENDERBUFFER, rbo); -#if defined(GRAPHICS_API_OPENGL_33) - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, size, size); -#elif defined(GRAPHICS_API_OPENGL_ES2) - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, size, size); -#endif - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rbo); + unsigned int fbo = rlLoadFramebuffer(size, size); + rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER); + rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X); - // Set up cubemap to render and attach to framebuffer - // NOTE: Faces are stored as 32 bit floating point values - glGenTextures(1, &cubemap.id); - glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap.id); - for (unsigned int i = 0; i < 6; i++) - { -#if defined(GRAPHICS_API_OPENGL_33) - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB32F, size, size, 0, GL_RGB, GL_FLOAT, NULL); -#elif defined(GRAPHICS_API_OPENGL_ES2) - if (texFloatSupported) glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB, size, size, 0, GL_RGB, GL_FLOAT, NULL); -#endif - } + // Check if framebuffer is complete with attachments (valid) + if (rlFramebufferComplete(fbo)) TRACELOG(LOG_INFO, "FBO: [ID %i] Framebuffer object created successfully", fbo); + //------------------------------------------------------------------------------------------ - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); -#if defined(GRAPHICS_API_OPENGL_33) - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); // Flag not supported on OpenGL ES 2.0 -#endif - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + // STEP 2: Draw to framebuffer + //------------------------------------------------------------------------------------------ + // NOTE: Shader is used to convert HDR equirectangular environment map to cubemap equivalent (6 faces) + + // Define projection matrix and send it to shader + Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); - // Create projection and different views for each face - Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, 0.01, 1000.0); + // Define view matrix for every side of the cubemap Matrix fboViews[6] = { - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) }; - // Convert HDR equirectangular environment map to cubemap equivalent - glUseProgram(shader.id); + rlEnableShader(shader.id); +#if !defined(GENTEXTURECUBEMAP_USE_BATCH_SYSTEM) glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, skyHDR.id); - SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); + glBindTexture(GL_TEXTURE_2D, panorama.id); +#endif - // Note: don't forget to configure the viewport to the capture dimensions - glViewport(0, 0, size, size); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); + rlViewport(0, 0, size, size); // Set viewport to current fbo dimensions for (int i = 0; i < 6; i++) { SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_VIEW], fboViews[i]); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, cubemap.id, 0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X + i); + + rlEnableFramebuffer(fbo); +#if defined(GENTEXTURECUBEMAP_USE_BATCH_SYSTEM) + rlEnableTexture(panorama.id); // WARNING: It must be called after enabling current framebuffer if using internal batch system! +#endif + rlClearScreenBuffers(); GenDrawCube(); + +#if defined(GENTEXTURECUBEMAP_USE_BATCH_SYSTEM) + // Using internal batch system instead of raw OpenGL cube creating+drawing + // NOTE: DrawCubeV() is actually provided by models.c! -> GenTextureCubemap() should be moved to user code! + DrawCubeV(Vector3Zero(), Vector3One(), WHITE); + DrawRenderBatch(RLGL.currentBatch); +#endif } + //------------------------------------------------------------------------------------------ - // Unbind framebuffer and textures - glBindFramebuffer(GL_FRAMEBUFFER, 0); + // STEP 3: Unload framebuffer and reset state + //------------------------------------------------------------------------------------------ + rlDisableShader(); // Unbind shader + rlDisableTexture(); // Unbind texture + rlDisableFramebuffer(); // Unbind framebuffer + rlUnloadFramebuffer(fbo); // Unload framebuffer (and automatically attached depth texture/renderbuffer) // Reset viewport dimensions to default - glViewport(0, 0, screenWidth, screenHeight); - //glEnable(GL_CULL_FACE); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + //rlEnableBackfaceCulling(); + //------------------------------------------------------------------------------------------ - // NOTE: Texture2D is a GL_TEXTURE_CUBE_MAP, not a GL_TEXTURE_2D! cubemap.width = size; cubemap.height = size; cubemap.mipmaps = 1; @@ -3244,137 +3544,127 @@ Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size) } // Generate irradiance texture using cubemap data -// TODO: OpenGL ES 2.0 does not support GL_RGB16F texture format, neither GL_DEPTH_COMPONENT24 -Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size) +TextureCubemap GenTextureIrradiance(Shader shader, TextureCubemap cubemap, int size) { - Texture2D irradiance = { 0 }; + TextureCubemap irradiance = { 0 }; -#if defined(GRAPHICS_API_OPENGL_33) // || defined(GRAPHICS_API_OPENGL_ES2) - // NOTE: SetShaderDefaultLocations() already setups locations for projection and view Matrix in shader - // Other locations should be setup externally in shader before calling the function - - // Setup framebuffer - unsigned int fbo, rbo; - glGenFramebuffers(1, &fbo); - glGenRenderbuffers(1, &rbo); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); - glBindRenderbuffer(GL_RENDERBUFFER, rbo); - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, size, size); - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rbo); - - // Create an irradiance cubemap, and re-scale capture FBO to irradiance scale - glGenTextures(1, &irradiance.id); - glBindTexture(GL_TEXTURE_CUBE_MAP, irradiance.id); - for (unsigned int i = 0; i < 6; i++) - { - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, size, size, 0, GL_RGB, GL_FLOAT, NULL); - } +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + rlDisableBackfaceCulling(); // Disable backface culling to render inside the cube - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + // STEP 1: Setup framebuffer + //------------------------------------------------------------------------------------------ + unsigned int rbo = rlLoadTextureDepth(size, size, true); + irradiance.id = rlLoadTextureCubemap(NULL, size, UNCOMPRESSED_R32G32B32); + + unsigned int fbo = rlLoadFramebuffer(size, size); + rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER); + rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X); + //------------------------------------------------------------------------------------------ + + // STEP 2: Draw to framebuffer + //------------------------------------------------------------------------------------------ + // NOTE: Shader is used to solve diffuse integral by convolution to create an irradiance cubemap + + // Define projection matrix and send it to shader + Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); - // Create projection (transposed) and different views for each face - Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, 0.01, 1000.0); + // Define view matrix for every side of the cubemap Matrix fboViews[6] = { - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) }; - // Solve diffuse integral by convolution to create an irradiance cubemap - glUseProgram(shader.id); + rlEnableShader(shader.id); glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap.id); - SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); - // Note: don't forget to configure the viewport to the capture dimensions - glViewport(0, 0, size, size); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); + rlViewport(0, 0, size, size); // Set viewport to current fbo dimensions for (int i = 0; i < 6; i++) { SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_VIEW], fboViews[i]); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, irradiance.id, 0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + rlFramebufferAttach(fbo, irradiance.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X + i); + + rlEnableFramebuffer(fbo); + rlClearScreenBuffers(); GenDrawCube(); } + //------------------------------------------------------------------------------------------ - // Unbind framebuffer and textures - glBindFramebuffer(GL_FRAMEBUFFER, 0); + // STEP 3: Unload framebuffer and reset state + //------------------------------------------------------------------------------------------ + rlDisableShader(); // Unbind shader + rlDisableTexture(); // Unbind texture + rlDisableFramebuffer(); // Unbind framebuffer + rlUnloadFramebuffer(fbo); // Unload framebuffer (and automatically attached depth texture/renderbuffer) // Reset viewport dimensions to default - glViewport(0, 0, screenWidth, screenHeight); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + //rlEnableBackfaceCulling(); + //------------------------------------------------------------------------------------------ irradiance.width = size; irradiance.height = size; irradiance.mipmaps = 1; - //irradiance.format = UNCOMPRESSED_R16G16B16; + irradiance.format = UNCOMPRESSED_R32G32B32; #endif return irradiance; } // Generate prefilter texture using cubemap data -// TODO: OpenGL ES 2.0 does not support GL_RGB16F texture format, neither GL_DEPTH_COMPONENT24 -Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size) +TextureCubemap GenTexturePrefilter(Shader shader, TextureCubemap cubemap, int size) { - Texture2D prefilter = { 0 }; + TextureCubemap prefilter = { 0 }; #if defined(GRAPHICS_API_OPENGL_33) // || defined(GRAPHICS_API_OPENGL_ES2) - // NOTE: SetShaderDefaultLocations() already setups locations for projection and view Matrix in shader - // Other locations should be setup externally in shader before calling the function - // TODO: Locations should be taken out of this function... too shader dependant... - int roughnessLoc = GetShaderLocation(shader, "roughness"); + rlDisableBackfaceCulling(); // Disable backface culling to render inside the cube - // Setup framebuffer - unsigned int fbo, rbo; - glGenFramebuffers(1, &fbo); - glGenRenderbuffers(1, &rbo); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); - glBindRenderbuffer(GL_RENDERBUFFER, rbo); - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, size, size); - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rbo); - - // Create a prefiltered HDR environment map - glGenTextures(1, &prefilter.id); - glBindTexture(GL_TEXTURE_CUBE_MAP, prefilter.id); - for (unsigned int i = 0; i < 6; i++) - { - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, size, size, 0, GL_RGB, GL_FLOAT, NULL); - } + // STEP 1: Setup framebuffer + //------------------------------------------------------------------------------------------ + unsigned int rbo = rlLoadTextureDepth(size, size, true); + prefilter.id = rlLoadTextureCubemap(NULL, size, UNCOMPRESSED_R32G32B32); + rlTextureParameters(prefilter.id, RL_TEXTURE_MIN_FILTER, RL_FILTER_MIP_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + unsigned int fbo = rlLoadFramebuffer(size, size); + rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER); + rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X); + //------------------------------------------------------------------------------------------ // Generate mipmaps for the prefiltered HDR texture glGenerateMipmap(GL_TEXTURE_CUBE_MAP); + //rlGenerateMipmaps(Texture2D *texture); // Only GL_TEXTURE_2D + + // STEP 2: Draw to framebuffer + //------------------------------------------------------------------------------------------ + // NOTE: Shader is used to prefilter HDR and store data into mipmap levels - // Create projection (transposed) and different views for each face - Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, 0.01, 1000.0); + // Define projection matrix and send it to shader + Matrix fboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); + + // Define view matrix for every side of the cubemap Matrix fboViews[6] = { - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), - MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, 1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }), + MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ 0.0f, 0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f, 0.0f }) }; - // Prefilter HDR and store data into mipmap levels - glUseProgram(shader.id); + rlEnableShader(shader.id); glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap.id); - SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_PROJECTION], fboProjection); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); + // TODO: Locations should be taken out of this function... too shader dependant... + int roughnessLoc = GetShaderLocation(shader, "roughness"); + + rlEnableFramebuffer(fbo); #define MAX_MIPMAP_LEVELS 5 // Max number of prefilter texture mipmaps @@ -3384,9 +3674,10 @@ Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size) unsigned int mipWidth = size*(int)powf(0.5f, (float)mip); unsigned int mipHeight = size*(int)powf(0.5f, (float)mip); + rlViewport(0, 0, mipWidth, mipHeight); + glBindRenderbuffer(GL_RENDERBUFFER, rbo); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, mipWidth, mipHeight); - glViewport(0, 0, mipWidth, mipHeight); float roughness = (float)mip/(float)(MAX_MIPMAP_LEVELS - 1); glUniform1f(roughnessLoc, roughness); @@ -3395,73 +3686,74 @@ Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size) { SetShaderValueMatrix(shader, shader.locs[LOC_MATRIX_VIEW], fboViews[i]); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, prefilter.id, mip); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + //rlFramebufferAttach(fbo, irradiance.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X + i); // TODO: Support mip levels? + + rlEnableFramebuffer(fbo); + rlClearScreenBuffers(); GenDrawCube(); } } + //------------------------------------------------------------------------------------------ - // Unbind framebuffer and textures - glBindFramebuffer(GL_FRAMEBUFFER, 0); + // STEP 3: Unload framebuffer and reset state + //------------------------------------------------------------------------------------------ + rlDisableShader(); // Unbind shader + rlDisableTexture(); // Unbind texture + rlDisableFramebuffer(); // Unbind framebuffer + rlUnloadFramebuffer(fbo); // Unload framebuffer (and automatically attached depth texture/renderbuffer) // Reset viewport dimensions to default - glViewport(0, 0, screenWidth, screenHeight); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + //rlEnableBackfaceCulling(); + //------------------------------------------------------------------------------------------ prefilter.width = size; prefilter.height = size; - //prefilter.mipmaps = 1 + (int)floor(log(size)/log(2)); - //prefilter.format = UNCOMPRESSED_R16G16B16; + //prefilter.mipmaps = 1 + (int)floor(log(size)/log(2)); // MAX_MIPMAP_LEVELS + //prefilter.format = UNCOMPRESSED_R32G32B32; #endif return prefilter; } // Generate BRDF texture using cubemap data -// NOTE: OpenGL ES 2.0 does not support GL_RGB16F texture format, neither GL_DEPTH_COMPONENT24 // TODO: Review implementation: https://github.com/HectorMF/BRDFGenerator Texture2D GenTextureBRDF(Shader shader, int size) { Texture2D brdf = { 0 }; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - // Generate BRDF convolution texture - glGenTextures(1, &brdf.id); - glBindTexture(GL_TEXTURE_2D, brdf.id); -#if defined(GRAPHICS_API_OPENGL_33) - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, size, size, 0, GL_RGB, GL_FLOAT, NULL); -#elif defined(GRAPHICS_API_OPENGL_ES2) - if (texFloatSupported) glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size, size, 0, GL_RGB, GL_FLOAT, NULL); -#endif + // STEP 1: Setup framebuffer + //------------------------------------------------------------------------------------------ + unsigned int rbo = rlLoadTextureDepth(size, size, true); + brdf.id = rlLoadTexture(NULL, size, size, UNCOMPRESSED_R32G32B32, 1); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + unsigned int fbo = rlLoadFramebuffer(size, size); + rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER); + rlFramebufferAttach(fbo, brdf.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_TEXTURE2D); + //------------------------------------------------------------------------------------------ - // Render BRDF LUT into a quad using FBO - unsigned int fbo, rbo; - glGenFramebuffers(1, &fbo); - glGenRenderbuffers(1, &rbo); - glBindFramebuffer(GL_FRAMEBUFFER, fbo); - glBindRenderbuffer(GL_RENDERBUFFER, rbo); -#if defined(GRAPHICS_API_OPENGL_33) - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, size, size); -#elif defined(GRAPHICS_API_OPENGL_ES2) - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, size, size); -#endif - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, brdf.id, 0); + // STEP 2: Draw to framebuffer + //------------------------------------------------------------------------------------------ + // NOTE: Render BRDF LUT into a quad using FBO - glViewport(0, 0, size, size); - glUseProgram(shader.id); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - GenDrawQuad(); + rlEnableShader(shader.id); - // Unbind framebuffer and textures - glBindFramebuffer(GL_FRAMEBUFFER, 0); + rlViewport(0, 0, size, size); - // Unload framebuffer but keep color texture - glDeleteRenderbuffers(1, &rbo); - glDeleteFramebuffers(1, &fbo); + rlEnableFramebuffer(fbo); + rlClearScreenBuffers(); + GenDrawQuad(); + //------------------------------------------------------------------------------------------ + + // STEP 3: Unload framebuffer and reset state + //------------------------------------------------------------------------------------------ + rlDisableShader(); // Unbind shader + rlDisableTexture(); // Unbind texture + rlDisableFramebuffer(); // Unbind framebuffer + rlUnloadFramebuffer(fbo); // Unload framebuffer (and automatically attached depth texture/renderbuffer) // Reset viewport dimensions to default - glViewport(0, 0, screenWidth, screenHeight); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + //------------------------------------------------------------------------------------------ brdf.width = size; brdf.height = size; @@ -3475,20 +3767,25 @@ Texture2D GenTextureBRDF(Shader shader, int size) // NOTE: Only 3 blending modes supported, default blend mode is alpha void BeginBlendMode(int mode) { - if ((blendMode != mode) && (mode < 3)) +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + if (RLGL.State.currentBlendMode != mode) { - rlglDraw(); + DrawRenderBatch(RLGL.currentBatch); switch (mode) { - case BLEND_ALPHA: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break; - case BLEND_ADDITIVE: glBlendFunc(GL_SRC_ALPHA, GL_ONE); break; // Alternative: glBlendFunc(GL_ONE, GL_ONE); - case BLEND_MULTIPLIED: glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); break; + case BLEND_ALPHA: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glBlendEquation(GL_FUNC_ADD); break; + case BLEND_ADDITIVE: glBlendFunc(GL_SRC_ALPHA, GL_ONE); glBlendEquation(GL_FUNC_ADD); break; + case BLEND_MULTIPLIED: glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); glBlendEquation(GL_FUNC_ADD); break; + case BLEND_ADD_COLORS: glBlendFunc(GL_ONE, GL_ONE); glBlendEquation(GL_FUNC_ADD); break; + case BLEND_SUBTRACT_COLORS: glBlendFunc(GL_ONE, GL_ONE); glBlendEquation(GL_FUNC_SUBTRACT); break; + case BLEND_CUSTOM: glBlendFunc(RLGL.State.glBlendSrcFactor, RLGL.State.glBlendDstFactor); glBlendEquation(RLGL.State.glBlendEquation); break; default: break; } - blendMode = mode; + RLGL.State.currentBlendMode = mode; } +#endif } // End blending mode (reset to default: alpha blending) @@ -3497,37 +3794,27 @@ void EndBlendMode(void) BeginBlendMode(BLEND_ALPHA); } -// Begin scissor mode (define screen area for following drawing) -// NOTE: Scissor rec refers to bottom-left corner, we change it to upper-left -void BeginScissorMode(int x, int y, int width, int height) -{ - rlglDraw(); // Force drawing elements - - glEnable(GL_SCISSOR_TEST); - glScissor(x, screenHeight - (y + height), width, height); -} - -// End scissor mode -void EndScissorMode(void) -{ - rlglDraw(); // Force drawing elements - - glDisable(GL_SCISSOR_TEST); -} - #if defined(SUPPORT_VR_SIMULATOR) // Init VR simulator for selected device parameters -// NOTE: It modifies the global variable: stereoFbo +// NOTE: It modifies the global variable: RLGL.Vr.stereoFboId void InitVrSimulator(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) // Initialize framebuffer and textures for stereo rendering // NOTE: Screen size should match HMD aspect ratio - stereoFbo = rlLoadRenderTexture(screenWidth, screenHeight, UNCOMPRESSED_R8G8B8A8, 24, false); + RLGL.Vr.stereoFboId = rlLoadFramebuffer(RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + + // Load color/depth textures to attach to framebuffer + RLGL.Vr.stereoTexId = rlLoadTexture(NULL, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight, UNCOMPRESSED_R8G8B8A8, 1); + unsigned int depthId = rlLoadTextureDepth(RLGL.State.framebufferWidth, RLGL.State.framebufferHeight, true); - vrSimulatorReady = true; + // Attach color texture and depth renderbuffer/texture to FBO + rlFramebufferAttach(RLGL.Vr.stereoFboId, RLGL.Vr.stereoTexId, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_TEXTURE2D); + rlFramebufferAttach(RLGL.Vr.stereoFboId, depthId, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER); + + RLGL.Vr.simulatorReady = true; #else - TraceLog(LOG_WARNING, "VR Simulator not supported on OpenGL 1.1"); + TRACELOG(LOG_WARNING, "RLGL: VR Simulator not supported on OpenGL 1.1"); #endif } @@ -3542,7 +3829,11 @@ void UpdateVrTracking(Camera *camera) void CloseVrSimulator(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (vrSimulatorReady) rlDeleteRenderTextures(stereoFbo); // Unload stereo framebuffer and texture + if (RLGL.Vr.simulatorReady) + { + rlUnloadTexture(RLGL.Vr.stereoTexId); // Unload color texture + rlUnloadFramebuffer(RLGL.Vr.stereoFboId); // Unload stereo framebuffer and depth texture/renderbuffer + } #endif } @@ -3550,11 +3841,11 @@ void CloseVrSimulator(void) void SetVrConfiguration(VrDeviceInfo hmd, Shader distortion) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - // Reset vrConfig for a new values assignment - memset(&vrConfig, 0, sizeof(vrConfig)); + // Reset RLGL.Vr.config for a new values assignment + memset(&RLGL.Vr.config, 0, sizeof(RLGL.Vr.config)); // Assign distortion shader - vrConfig.distortionShader = distortion; + RLGL.Vr.config.distortionShader = distortion; // Compute aspect ratio float aspect = ((float)hmd.hResolution*0.5f)/(float)hmd.vResolution; @@ -3568,64 +3859,65 @@ void SetVrConfiguration(VrDeviceInfo hmd, Shader distortion) // Compute distortion scale parameters // NOTE: To get lens max radius, lensShift must be normalized to [-1..1] - float lensRadius = (float)fabs(-1.0f - 4.0f*lensShift); + float lensRadius = fabsf(-1.0f - 4.0f*lensShift); float lensRadiusSq = lensRadius*lensRadius; float distortionScale = hmd.lensDistortionValues[0] + hmd.lensDistortionValues[1]*lensRadiusSq + hmd.lensDistortionValues[2]*lensRadiusSq*lensRadiusSq + hmd.lensDistortionValues[3]*lensRadiusSq*lensRadiusSq*lensRadiusSq; - TraceLog(LOG_DEBUG, "VR: Distortion Scale: %f", distortionScale); + TRACELOGD("RLGL: VR device configuration:"); + TRACELOGD(" > Distortion Scale: %f", distortionScale); float normScreenWidth = 0.5f; float normScreenHeight = 1.0f; float scaleIn[2] = { 2.0f/normScreenWidth, 2.0f/normScreenHeight/aspect }; float scale[2] = { normScreenWidth*0.5f/distortionScale, normScreenHeight*0.5f*aspect/distortionScale }; - TraceLog(LOG_DEBUG, "VR: Distortion Shader: LeftLensCenter = { %f, %f }", leftLensCenter[0], leftLensCenter[1]); - TraceLog(LOG_DEBUG, "VR: Distortion Shader: RightLensCenter = { %f, %f }", rightLensCenter[0], rightLensCenter[1]); - TraceLog(LOG_DEBUG, "VR: Distortion Shader: Scale = { %f, %f }", scale[0], scale[1]); - TraceLog(LOG_DEBUG, "VR: Distortion Shader: ScaleIn = { %f, %f }", scaleIn[0], scaleIn[1]); + TRACELOGD(" > Distortion Shader: LeftLensCenter = { %f, %f }", leftLensCenter[0], leftLensCenter[1]); + TRACELOGD(" > Distortion Shader: RightLensCenter = { %f, %f }", rightLensCenter[0], rightLensCenter[1]); + TRACELOGD(" > Distortion Shader: Scale = { %f, %f }", scale[0], scale[1]); + TRACELOGD(" > Distortion Shader: ScaleIn = { %f, %f }", scaleIn[0], scaleIn[1]); - // Fovy is normally computed with: 2*atan2(hmd.vScreenSize, 2*hmd.eyeToScreenDistance) + // Fovy is normally computed with: 2*atan2f(hmd.vScreenSize, 2*hmd.eyeToScreenDistance) // ...but with lens distortion it is increased (see Oculus SDK Documentation) - //float fovy = 2.0f*atan2(hmd.vScreenSize*0.5f*distortionScale, hmd.eyeToScreenDistance); // Really need distortionScale? - float fovy = 2.0f*(float)atan2(hmd.vScreenSize*0.5f, hmd.eyeToScreenDistance); + //float fovy = 2.0f*atan2f(hmd.vScreenSize*0.5f*distortionScale, hmd.eyeToScreenDistance); // Really need distortionScale? + float fovy = 2.0f*(float)atan2f(hmd.vScreenSize*0.5f, hmd.eyeToScreenDistance); // Compute camera projection matrices float projOffset = 4.0f*lensShift; // Scaled to projection space coordinates [-1..1] - Matrix proj = MatrixPerspective(fovy, aspect, 0.01, 1000.0); - vrConfig.eyesProjection[0] = MatrixMultiply(proj, MatrixTranslate(projOffset, 0.0f, 0.0f)); - vrConfig.eyesProjection[1] = MatrixMultiply(proj, MatrixTranslate(-projOffset, 0.0f, 0.0f)); + Matrix proj = MatrixPerspective(fovy, aspect, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + RLGL.Vr.config.eyesProjection[0] = MatrixMultiply(proj, MatrixTranslate(projOffset, 0.0f, 0.0f)); + RLGL.Vr.config.eyesProjection[1] = MatrixMultiply(proj, MatrixTranslate(-projOffset, 0.0f, 0.0f)); // Compute camera transformation matrices // NOTE: Camera movement might seem more natural if we model the head. // Our axis of rotation is the base of our head, so we might want to add // some y (base of head to eye level) and -z (center of head to eye protrusion) to the camera positions. - vrConfig.eyesViewOffset[0] = MatrixTranslate(-hmd.interpupillaryDistance*0.5f, 0.075f, 0.045f); - vrConfig.eyesViewOffset[1] = MatrixTranslate(hmd.interpupillaryDistance*0.5f, 0.075f, 0.045f); + RLGL.Vr.config.eyesViewOffset[0] = MatrixTranslate(-hmd.interpupillaryDistance*0.5f, 0.075f, 0.045f); + RLGL.Vr.config.eyesViewOffset[1] = MatrixTranslate(hmd.interpupillaryDistance*0.5f, 0.075f, 0.045f); // Compute eyes Viewports - vrConfig.eyeViewportRight[2] = hmd.hResolution/2; - vrConfig.eyeViewportRight[3] = hmd.vResolution; + RLGL.Vr.config.eyeViewportRight[2] = hmd.hResolution/2; + RLGL.Vr.config.eyeViewportRight[3] = hmd.vResolution; - vrConfig.eyeViewportLeft[0] = hmd.hResolution/2; - vrConfig.eyeViewportLeft[1] = 0; - vrConfig.eyeViewportLeft[2] = hmd.hResolution/2; - vrConfig.eyeViewportLeft[3] = hmd.vResolution; + RLGL.Vr.config.eyeViewportLeft[0] = hmd.hResolution/2; + RLGL.Vr.config.eyeViewportLeft[1] = 0; + RLGL.Vr.config.eyeViewportLeft[2] = hmd.hResolution/2; + RLGL.Vr.config.eyeViewportLeft[3] = hmd.vResolution; - if (vrConfig.distortionShader.id > 0) + if (RLGL.Vr.config.distortionShader.id > 0) { // Update distortion shader with lens and distortion-scale parameters - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "leftLensCenter"), leftLensCenter, UNIFORM_VEC2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "rightLensCenter"), rightLensCenter, UNIFORM_VEC2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "leftScreenCenter"), leftScreenCenter, UNIFORM_VEC2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "rightScreenCenter"), rightScreenCenter, UNIFORM_VEC2); - - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "scale"), scale, UNIFORM_VEC2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "scaleIn"), scaleIn, UNIFORM_VEC2); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "hmdWarpParam"), hmd.lensDistortionValues, UNIFORM_VEC4); - SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "chromaAbParam"), hmd.chromaAbCorrection, UNIFORM_VEC4); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "leftLensCenter"), leftLensCenter, UNIFORM_VEC2); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "rightLensCenter"), rightLensCenter, UNIFORM_VEC2); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "leftScreenCenter"), leftScreenCenter, UNIFORM_VEC2); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "rightScreenCenter"), rightScreenCenter, UNIFORM_VEC2); + + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "scale"), scale, UNIFORM_VEC2); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "scaleIn"), scaleIn, UNIFORM_VEC2); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "hmdWarpParam"), hmd.lensDistortionValues, UNIFORM_VEC4); + SetShaderValue(RLGL.Vr.config.distortionShader, GetShaderLocation(RLGL.Vr.config.distortionShader, "chromaAbParam"), hmd.chromaAbCorrection, UNIFORM_VEC4); } #endif } @@ -3634,7 +3926,7 @@ void SetVrConfiguration(VrDeviceInfo hmd, Shader distortion) bool IsVrSimulatorReady(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - return vrSimulatorReady; + return RLGL.Vr.simulatorReady; #else return false; #endif @@ -3644,18 +3936,18 @@ bool IsVrSimulatorReady(void) void ToggleVrMode(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - vrSimulatorReady = !vrSimulatorReady; + RLGL.Vr.simulatorReady = !RLGL.Vr.simulatorReady; - if (!vrSimulatorReady) + if (!RLGL.Vr.simulatorReady) { - vrStereoRender = false; + RLGL.Vr.stereoRender = false; // Reset viewport and default projection-modelview matrices - rlViewport(0, 0, screenWidth, screenHeight); - projection = MatrixOrtho(0.0, screenWidth, screenHeight, 0.0, 0.0, 1.0); - modelview = MatrixIdentity(); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + RLGL.State.projection = MatrixOrtho(0.0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight, 0.0, 0.0, 1.0); + RLGL.State.modelview = MatrixIdentity(); } - else vrStereoRender = true; + else RLGL.Vr.stereoRender = true; #endif } @@ -3663,16 +3955,15 @@ void ToggleVrMode(void) void BeginVrDrawing(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (vrSimulatorReady) + if (RLGL.Vr.simulatorReady) { + rlEnableFramebuffer(RLGL.Vr.stereoFboId); // Setup framebuffer for stereo rendering + //glEnable(GL_FRAMEBUFFER_SRGB); // Enable SRGB framebuffer (only if required) - rlEnableRenderTexture(stereoFbo.id); // Setup framebuffer for stereo rendering - //glEnable(GL_FRAMEBUFFER_SRGB); // Enable SRGB framebuffer (only if required) - - //glViewport(0, 0, buffer.width, buffer.height); // Useful if rendering to separate framebuffers (every eye) - rlClearScreenBuffers(); // Clear current framebuffer + //rlViewport(0, 0, buffer.width, buffer.height); // Useful if rendering to separate framebuffers (every eye) + rlClearScreenBuffers(); // Clear current framebuffer - vrStereoRender = true; + RLGL.Vr.stereoRender = true; } #endif } @@ -3681,29 +3972,29 @@ void BeginVrDrawing(void) void EndVrDrawing(void) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (vrSimulatorReady) + if (RLGL.Vr.simulatorReady) { - vrStereoRender = false; // Disable stereo render + RLGL.Vr.stereoRender = false; // Disable stereo render - rlDisableRenderTexture(); // Unbind current framebuffer + rlDisableFramebuffer(); // Unbind current framebuffer rlClearScreenBuffers(); // Clear current framebuffer // Set viewport to default framebuffer size (screen size) - rlViewport(0, 0, screenWidth, screenHeight); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); // Let rlgl reconfigure internal matrices rlMatrixMode(RL_PROJECTION); // Enable internal projection matrix rlLoadIdentity(); // Reset internal projection matrix - rlOrtho(0.0, screenWidth, screenHeight, 0.0, 0.0, 1.0); // Recalculate internal projection matrix + rlOrtho(0.0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight, 0.0, 0.0, 1.0); // Recalculate internal RLGL.State.projection matrix rlMatrixMode(RL_MODELVIEW); // Enable internal modelview matrix rlLoadIdentity(); // Reset internal modelview matrix - // Draw RenderTexture (stereoFbo) using distortion shader if available - if (vrConfig.distortionShader.id > 0) currentShader = vrConfig.distortionShader; - else currentShader = GetShaderDefault(); + // Draw stereo framebuffer texture using distortion shader if available + if (RLGL.Vr.config.distortionShader.id > 0) RLGL.State.currentShader = RLGL.Vr.config.distortionShader; + else RLGL.State.currentShader = GetShaderDefault(); - rlEnableTexture(stereoFbo.texture.id); + rlEnableTexture(RLGL.Vr.stereoTexId); rlPushMatrix(); rlBegin(RL_QUADS); @@ -3716,31 +4007,30 @@ void EndVrDrawing(void) // Bottom-right corner for texture and quad rlTexCoord2f(0.0f, 0.0f); - rlVertex2f(0.0f, (float)stereoFbo.texture.height); + rlVertex2f(0.0f, (float)RLGL.State.framebufferHeight); // Top-right corner for texture and quad rlTexCoord2f(1.0f, 0.0f); - rlVertex2f( (float)stereoFbo.texture.width, (float)stereoFbo.texture.height); + rlVertex2f((float)RLGL.State.framebufferWidth, (float)RLGL.State.framebufferHeight); // Top-left corner for texture and quad rlTexCoord2f(1.0f, 1.0f); - rlVertex2f( (float)stereoFbo.texture.width, 0.0f); + rlVertex2f((float)RLGL.State.framebufferWidth, 0.0f); rlEnd(); rlPopMatrix(); rlDisableTexture(); // Update and draw render texture fbo with distortion to backbuffer - UpdateBuffersDefault(); - DrawBuffersDefault(); + DrawRenderBatch(RLGL.currentBatch); - // Restore defaultShader - currentShader = defaultShader; + // Restore RLGL.State.defaultShader + RLGL.State.currentShader = RLGL.State.defaultShader; // Reset viewport and default projection-modelview matrices - rlViewport(0, 0, screenWidth, screenHeight); - projection = MatrixOrtho(0.0, screenWidth, screenHeight, 0.0, 0.0, 1.0); - modelview = MatrixIdentity(); + rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight); + RLGL.State.projection = MatrixOrtho(0.0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight, 0.0, 0.0, 1.0); + RLGL.State.modelview = MatrixIdentity(); rlDisableDepthTest(); } @@ -3765,7 +4055,7 @@ static unsigned int CompileShader(const char *shaderStr, int type) if (success != GL_TRUE) { - TraceLog(LOG_WARNING, "[SHDR ID %i] Failed to compile shader...", shader); + TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to compile shader code", shader); int maxLength = 0; int length; glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &maxLength); @@ -3777,13 +4067,13 @@ static unsigned int CompileShader(const char *shaderStr, int type) #endif glGetShaderInfoLog(shader, maxLength, &length, log); - TraceLog(LOG_INFO, "%s", log); + TRACELOG(LOG_WARNING, "SHADER: [ID %i] Compile error: %s", shader, log); #if defined(_MSC_VER) RL_FREE(log); #endif } - else TraceLog(LOG_INFO, "[SHDR ID %i] Shader compiled successfully", shader); + else TRACELOG(LOG_INFO, "SHADER: [ID %i] Compiled successfully", shader); return shader; } @@ -3794,7 +4084,6 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad unsigned int program = 0; #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - GLint success = 0; program = glCreateProgram(); @@ -3802,12 +4091,12 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad glAttachShader(program, fShaderId); // NOTE: Default attribute shader locations must be binded before linking - glBindAttribLocation(program, 0, DEFAULT_ATTRIB_POSITION_NAME); - glBindAttribLocation(program, 1, DEFAULT_ATTRIB_TEXCOORD_NAME); - glBindAttribLocation(program, 2, DEFAULT_ATTRIB_NORMAL_NAME); - glBindAttribLocation(program, 3, DEFAULT_ATTRIB_COLOR_NAME); - glBindAttribLocation(program, 4, DEFAULT_ATTRIB_TANGENT_NAME); - glBindAttribLocation(program, 5, DEFAULT_ATTRIB_TEXCOORD2_NAME); + glBindAttribLocation(program, 0, DEFAULT_SHADER_ATTRIB_NAME_POSITION); + glBindAttribLocation(program, 1, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD); + glBindAttribLocation(program, 2, DEFAULT_SHADER_ATTRIB_NAME_NORMAL); + glBindAttribLocation(program, 3, DEFAULT_SHADER_ATTRIB_NAME_COLOR); + glBindAttribLocation(program, 4, DEFAULT_SHADER_ATTRIB_NAME_TANGENT); + glBindAttribLocation(program, 5, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2); // NOTE: If some attrib name is no found on the shader, it locations becomes -1 @@ -3819,7 +4108,7 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad if (success == GL_FALSE) { - TraceLog(LOG_WARNING, "[SHDR ID %i] Failed to link shader program...", program); + TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to link shader program", program); int maxLength = 0; int length; @@ -3833,7 +4122,7 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad #endif glGetProgramInfoLog(program, maxLength, &length, log); - TraceLog(LOG_INFO, "%s", log); + TRACELOG(LOG_WARNING, "SHADER: [ID %i] Link error: %s", program, log); #if defined(_MSC_VER) RL_FREE(log); @@ -3842,7 +4131,7 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad program = 0; } - else TraceLog(LOG_INFO, "[SHDR ID %i] Shader program loaded successfully", program); + else TRACELOG(LOG_INFO, "SHADER: [ID %i] Program loaded successfully", program); #endif return program; } @@ -3853,12 +4142,13 @@ static unsigned int LoadShaderProgram(unsigned int vShaderId, unsigned int fShad static Shader LoadShaderDefault(void) { Shader shader = { 0 }; + shader.locs = (int *)RL_CALLOC(MAX_SHADER_LOCATIONS, sizeof(int)); // NOTE: All locations must be reseted to -1 (no location) for (int i = 0; i < MAX_SHADER_LOCATIONS; i++) shader.locs[i] = -1; // Vertex shader directly defined, no external file required - char defaultVShaderStr[] = + const char *defaultVShaderStr = #if defined(GRAPHICS_API_OPENGL_21) "#version 120 \n" #elif defined(GRAPHICS_API_OPENGL_ES2) @@ -3887,7 +4177,7 @@ static Shader LoadShaderDefault(void) "} \n"; // Fragment shader directly defined, no external file required - char defaultFShaderStr[] = + const char *defaultFShaderStr = #if defined(GRAPHICS_API_OPENGL_21) "#version 120 \n" #elif defined(GRAPHICS_API_OPENGL_ES2) @@ -3917,14 +4207,14 @@ static Shader LoadShaderDefault(void) "} \n"; // NOTE: Compiled vertex/fragment shaders are kept for re-use - defaultVShaderId = CompileShader(defaultVShaderStr, GL_VERTEX_SHADER); // Compile default vertex shader - defaultFShaderId = CompileShader(defaultFShaderStr, GL_FRAGMENT_SHADER); // Compile default fragment shader + RLGL.State.defaultVShaderId = CompileShader(defaultVShaderStr, GL_VERTEX_SHADER); // Compile default vertex shader + RLGL.State.defaultFShaderId = CompileShader(defaultFShaderStr, GL_FRAGMENT_SHADER); // Compile default fragment shader - shader.id = LoadShaderProgram(defaultVShaderId, defaultFShaderId); + shader.id = LoadShaderProgram(RLGL.State.defaultVShaderId, RLGL.State.defaultFShaderId); if (shader.id > 0) { - TraceLog(LOG_INFO, "[SHDR ID %i] Default shader loaded successfully", shader.id); + TRACELOG(LOG_INFO, "SHADER: [ID %i] Default shader loaded successfully", shader.id); // Set default shader locations: attributes locations shader.locs[LOC_VERTEX_POSITION] = glGetAttribLocation(shader.id, "vertexPosition"); @@ -3940,7 +4230,7 @@ static Shader LoadShaderDefault(void) // changed for external custom shaders, we just use direct bindings above //SetShaderDefaultLocations(&shader); } - else TraceLog(LOG_WARNING, "[SHDR ID %i] Default shader could not be loaded", shader.id); + else TRACELOG(LOG_WARNING, "SHADER: [ID %i] Failed to load default shader", shader.id); return shader; } @@ -3958,12 +4248,12 @@ static void SetShaderDefaultLocations(Shader *shader) // vertex texcoord2 location = 5 // Get handles to GLSL input attibute locations - shader->locs[LOC_VERTEX_POSITION] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_POSITION_NAME); - shader->locs[LOC_VERTEX_TEXCOORD01] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_TEXCOORD_NAME); - shader->locs[LOC_VERTEX_TEXCOORD02] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_TEXCOORD2_NAME); - shader->locs[LOC_VERTEX_NORMAL] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_NORMAL_NAME); - shader->locs[LOC_VERTEX_TANGENT] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_TANGENT_NAME); - shader->locs[LOC_VERTEX_COLOR] = glGetAttribLocation(shader->id, DEFAULT_ATTRIB_COLOR_NAME); + shader->locs[LOC_VERTEX_POSITION] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_POSITION); + shader->locs[LOC_VERTEX_TEXCOORD01] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD); + shader->locs[LOC_VERTEX_TEXCOORD02] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2); + shader->locs[LOC_VERTEX_NORMAL] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_NORMAL); + shader->locs[LOC_VERTEX_TANGENT] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_TANGENT); + shader->locs[LOC_VERTEX_COLOR] = glGetAttribLocation(shader->id, DEFAULT_SHADER_ATTRIB_NAME_COLOR); // Get handles to GLSL uniform locations (vertex shader) shader->locs[LOC_MATRIX_MVP] = glGetUniformLocation(shader->id, "mvp"); @@ -3982,132 +4272,165 @@ static void UnloadShaderDefault(void) { glUseProgram(0); - glDetachShader(defaultShader.id, defaultVShaderId); - glDetachShader(defaultShader.id, defaultFShaderId); - glDeleteShader(defaultVShaderId); - glDeleteShader(defaultFShaderId); + glDetachShader(RLGL.State.defaultShader.id, RLGL.State.defaultVShaderId); + glDetachShader(RLGL.State.defaultShader.id, RLGL.State.defaultFShaderId); + glDeleteShader(RLGL.State.defaultVShaderId); + glDeleteShader(RLGL.State.defaultFShaderId); - glDeleteProgram(defaultShader.id); + glDeleteProgram(RLGL.State.defaultShader.id); + + RL_FREE(RLGL.State.defaultShader.locs); } -// Load default internal buffers -static void LoadBuffersDefault(void) +// Load render batch +static RenderBatch LoadRenderBatch(int numBuffers, int bufferElements) { - // Initialize CPU (RAM) arrays (vertex position, texcoord, color data and indexes) + RenderBatch batch = { 0 }; + + // Initialize CPU (RAM) vertex buffers (position, texcoord, color data and indexes) //-------------------------------------------------------------------------------------------- - for (int i = 0; i < MAX_BATCH_BUFFERING; i++) + batch.vertexBuffer = (VertexBuffer *)RL_MALLOC(sizeof(VertexBuffer)*numBuffers); + + for (int i = 0; i < numBuffers; i++) { - vertexData[i].vertices = (float *)RL_MALLOC(sizeof(float)*3*4*MAX_BATCH_ELEMENTS); // 3 float by vertex, 4 vertex by quad - vertexData[i].texcoords = (float *)RL_MALLOC(sizeof(float)*2*4*MAX_BATCH_ELEMENTS); // 2 float by texcoord, 4 texcoord by quad - vertexData[i].colors = (unsigned char *)RL_MALLOC(sizeof(unsigned char)*4*4*MAX_BATCH_ELEMENTS); // 4 float by color, 4 colors by quad + batch.vertexBuffer[i].elementsCount = bufferElements; + + batch.vertexBuffer[i].vertices = (float *)RL_MALLOC(bufferElements*3*4*sizeof(float)); // 3 float by vertex, 4 vertex by quad + batch.vertexBuffer[i].texcoords = (float *)RL_MALLOC(bufferElements*2*4*sizeof(float)); // 2 float by texcoord, 4 texcoord by quad + batch.vertexBuffer[i].colors = (unsigned char *)RL_MALLOC(bufferElements*4*4*sizeof(unsigned char)); // 4 float by color, 4 colors by quad #if defined(GRAPHICS_API_OPENGL_33) - vertexData[i].indices = (unsigned int *)RL_MALLOC(sizeof(unsigned int)*6*MAX_BATCH_ELEMENTS); // 6 int by quad (indices) + batch.vertexBuffer[i].indices = (unsigned int *)RL_MALLOC(bufferElements*6*sizeof(unsigned int)); // 6 int by quad (indices) #elif defined(GRAPHICS_API_OPENGL_ES2) - vertexData[i].indices = (unsigned short *)RL_MALLOC(sizeof(unsigned short)*6*MAX_BATCH_ELEMENTS); // 6 int by quad (indices) + batch.vertexBuffer[i].indices = (unsigned short *)RL_MALLOC(bufferElements*6*sizeof(unsigned short)); // 6 int by quad (indices) #endif - for (int j = 0; j < (3*4*MAX_BATCH_ELEMENTS); j++) vertexData[i].vertices[j] = 0.0f; - for (int j = 0; j < (2*4*MAX_BATCH_ELEMENTS); j++) vertexData[i].texcoords[j] = 0.0f; - for (int j = 0; j < (4*4*MAX_BATCH_ELEMENTS); j++) vertexData[i].colors[j] = 0; + for (int j = 0; j < (3*4*bufferElements); j++) batch.vertexBuffer[i].vertices[j] = 0.0f; + for (int j = 0; j < (2*4*bufferElements); j++) batch.vertexBuffer[i].texcoords[j] = 0.0f; + for (int j = 0; j < (4*4*bufferElements); j++) batch.vertexBuffer[i].colors[j] = 0; int k = 0; // Indices can be initialized right now - for (int j = 0; j < (6*MAX_BATCH_ELEMENTS); j += 6) + for (int j = 0; j < (6*bufferElements); j += 6) { - vertexData[i].indices[j] = 4*k; - vertexData[i].indices[j + 1] = 4*k + 1; - vertexData[i].indices[j + 2] = 4*k + 2; - vertexData[i].indices[j + 3] = 4*k; - vertexData[i].indices[j + 4] = 4*k + 2; - vertexData[i].indices[j + 5] = 4*k + 3; + batch.vertexBuffer[i].indices[j] = 4*k; + batch.vertexBuffer[i].indices[j + 1] = 4*k + 1; + batch.vertexBuffer[i].indices[j + 2] = 4*k + 2; + batch.vertexBuffer[i].indices[j + 3] = 4*k; + batch.vertexBuffer[i].indices[j + 4] = 4*k + 2; + batch.vertexBuffer[i].indices[j + 5] = 4*k + 3; k++; } - vertexData[i].vCounter = 0; - vertexData[i].tcCounter = 0; - vertexData[i].cCounter = 0; + batch.vertexBuffer[i].vCounter = 0; + batch.vertexBuffer[i].tcCounter = 0; + batch.vertexBuffer[i].cCounter = 0; } - TraceLog(LOG_INFO, "Internal buffers initialized successfully (CPU)"); + TRACELOG(LOG_INFO, "RLGL: Internal vertex buffers initialized successfully in RAM (CPU)"); //-------------------------------------------------------------------------------------------- // Upload to GPU (VRAM) vertex data and initialize VAOs/VBOs //-------------------------------------------------------------------------------------------- - for (int i = 0; i < MAX_BATCH_BUFFERING; i++) + for (int i = 0; i < numBuffers; i++) { - if (vaoSupported) + if (RLGL.ExtSupported.vao) { // Initialize Quads VAO - glGenVertexArrays(1, &vertexData[i].vaoId); - glBindVertexArray(vertexData[i].vaoId); + glGenVertexArrays(1, &batch.vertexBuffer[i].vaoId); + glBindVertexArray(batch.vertexBuffer[i].vaoId); } // Quads - Vertex buffers binding and attributes enable // Vertex position buffer (shader-location = 0) - glGenBuffers(1, &vertexData[i].vboId[0]); - glBindBuffer(GL_ARRAY_BUFFER, vertexData[i].vboId[0]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*4*MAX_BATCH_ELEMENTS, vertexData[i].vertices, GL_DYNAMIC_DRAW); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_POSITION]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_POSITION], 3, GL_FLOAT, 0, 0, 0); + glGenBuffers(1, &batch.vertexBuffer[i].vboId[0]); + glBindBuffer(GL_ARRAY_BUFFER, batch.vertexBuffer[i].vboId[0]); + glBufferData(GL_ARRAY_BUFFER, bufferElements*3*4*sizeof(float), batch.vertexBuffer[i].vertices, GL_DYNAMIC_DRAW); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_POSITION]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_POSITION], 3, GL_FLOAT, 0, 0, 0); // Vertex texcoord buffer (shader-location = 1) - glGenBuffers(1, &vertexData[i].vboId[1]); - glBindBuffer(GL_ARRAY_BUFFER, vertexData[i].vboId[1]); - glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*4*MAX_BATCH_ELEMENTS, vertexData[i].texcoords, GL_DYNAMIC_DRAW); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_TEXCOORD01]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_TEXCOORD01], 2, GL_FLOAT, 0, 0, 0); + glGenBuffers(1, &batch.vertexBuffer[i].vboId[1]); + glBindBuffer(GL_ARRAY_BUFFER, batch.vertexBuffer[i].vboId[1]); + glBufferData(GL_ARRAY_BUFFER, bufferElements*2*4*sizeof(float), batch.vertexBuffer[i].texcoords, GL_DYNAMIC_DRAW); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_TEXCOORD01]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_TEXCOORD01], 2, GL_FLOAT, 0, 0, 0); // Vertex color buffer (shader-location = 3) - glGenBuffers(1, &vertexData[i].vboId[2]); - glBindBuffer(GL_ARRAY_BUFFER, vertexData[i].vboId[2]); - glBufferData(GL_ARRAY_BUFFER, sizeof(unsigned char)*4*4*MAX_BATCH_ELEMENTS, vertexData[i].colors, GL_DYNAMIC_DRAW); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_COLOR]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_COLOR], 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0); + glGenBuffers(1, &batch.vertexBuffer[i].vboId[2]); + glBindBuffer(GL_ARRAY_BUFFER, batch.vertexBuffer[i].vboId[2]); + glBufferData(GL_ARRAY_BUFFER, bufferElements*4*4*sizeof(unsigned char), batch.vertexBuffer[i].colors, GL_DYNAMIC_DRAW); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_COLOR]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_COLOR], 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0); // Fill index buffer - glGenBuffers(1, &vertexData[i].vboId[3]); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vertexData[i].vboId[3]); + glGenBuffers(1, &batch.vertexBuffer[i].vboId[3]); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, batch.vertexBuffer[i].vboId[3]); #if defined(GRAPHICS_API_OPENGL_33) - glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(int)*6*MAX_BATCH_ELEMENTS, vertexData[i].indices, GL_STATIC_DRAW); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, bufferElements*6*sizeof(int), batch.vertexBuffer[i].indices, GL_STATIC_DRAW); #elif defined(GRAPHICS_API_OPENGL_ES2) - glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(short)*6*MAX_BATCH_ELEMENTS, vertexData[i].indices, GL_STATIC_DRAW); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, bufferElements*6*sizeof(short), batch.vertexBuffer[i].indices, GL_STATIC_DRAW); #endif } - TraceLog(LOG_INFO, "Internal buffers uploaded successfully (GPU)"); + TRACELOG(LOG_INFO, "RLGL: Render batch vertex buffers loaded successfully"); // Unbind the current VAO - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); + //-------------------------------------------------------------------------------------------- + + // Init draw calls tracking system //-------------------------------------------------------------------------------------------- + batch.draws = (DrawCall *)RL_MALLOC(DEFAULT_BATCH_DRAWCALLS*sizeof(DrawCall)); + + for (int i = 0; i < DEFAULT_BATCH_DRAWCALLS; i++) + { + batch.draws[i].mode = RL_QUADS; + batch.draws[i].vertexCount = 0; + batch.draws[i].vertexAlignment = 0; + //batch.draws[i].vaoId = 0; + //batch.draws[i].shaderId = 0; + batch.draws[i].textureId = RLGL.State.defaultTextureId; + //batch.draws[i].RLGL.State.projection = MatrixIdentity(); + //batch.draws[i].RLGL.State.modelview = MatrixIdentity(); + } + + batch.buffersCount = numBuffers; // Record buffer count + batch.drawsCounter = 1; // Reset draws counter + batch.currentDepth = -1.0f; // Reset depth value + //-------------------------------------------------------------------------------------------- + + return batch; } -// Update default internal buffers (VAOs/VBOs) with vertex array data -// NOTE: If there is not vertex data, buffers doesn't need to be updated (vertexCount > 0) -// TODO: If no data changed on the CPU arrays --> No need to re-update GPU arrays (change flag required) -static void UpdateBuffersDefault(void) +// Draw render batch +// NOTE: We require a pointer to reset batch and increase current buffer (multi-buffer) +static void DrawRenderBatch(RenderBatch *batch) { - // Update vertex buffers data - if (vertexData[currentBuffer].vCounter > 0) + // Update batch vertex buffers + //------------------------------------------------------------------------------------------------------------ + // NOTE: If there is not vertex data, buffers doesn't need to be updated (vertexCount > 0) + // TODO: If no data changed on the CPU arrays --> No need to re-update GPU arrays (change flag required) + if (batch->vertexBuffer[batch->currentBuffer].vCounter > 0) { // Activate elements VAO - if (vaoSupported) glBindVertexArray(vertexData[currentBuffer].vaoId); + if (RLGL.ExtSupported.vao) glBindVertexArray(batch->vertexBuffer[batch->currentBuffer].vaoId); // Vertex positions buffer - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[0]); - glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*3*vertexData[currentBuffer].vCounter, vertexData[currentBuffer].vertices); - //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*4*MAX_BATCH_ELEMENTS, vertexData[currentBuffer].vertices, GL_DYNAMIC_DRAW); // Update all buffer + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[0]); + glBufferSubData(GL_ARRAY_BUFFER, 0, batch->vertexBuffer[batch->currentBuffer].vCounter*3*sizeof(float), batch->vertexBuffer[batch->currentBuffer].vertices); + //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*4*batch->vertexBuffer[batch->currentBuffer].elementsCount, batch->vertexBuffer[batch->currentBuffer].vertices, GL_DYNAMIC_DRAW); // Update all buffer // Texture coordinates buffer - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[1]); - glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(float)*2*vertexData[currentBuffer].vCounter, vertexData[currentBuffer].texcoords); - //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*4*MAX_BATCH_ELEMENTS, vertexData[currentBuffer].texcoords, GL_DYNAMIC_DRAW); // Update all buffer + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[1]); + glBufferSubData(GL_ARRAY_BUFFER, 0, batch->vertexBuffer[batch->currentBuffer].vCounter*2*sizeof(float), batch->vertexBuffer[batch->currentBuffer].texcoords); + //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*4*batch->vertexBuffer[batch->currentBuffer].elementsCount, batch->vertexBuffer[batch->currentBuffer].texcoords, GL_DYNAMIC_DRAW); // Update all buffer // Colors buffer - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[2]); - glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(unsigned char)*4*vertexData[currentBuffer].vCounter, vertexData[currentBuffer].colors); - //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*4*4*MAX_BATCH_ELEMENTS, vertexData[currentBuffer].colors, GL_DYNAMIC_DRAW); // Update all buffer + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[2]); + glBufferSubData(GL_ARRAY_BUFFER, 0, batch->vertexBuffer[batch->currentBuffer].vCounter*4*sizeof(unsigned char), batch->vertexBuffer[batch->currentBuffer].colors); + //glBufferData(GL_ARRAY_BUFFER, sizeof(float)*4*4*batch->vertexBuffer[batch->currentBuffer].elementsCount, batch->vertexBuffer[batch->currentBuffer].colors, GL_DYNAMIC_DRAW); // Update all buffer // NOTE: glMapBuffer() causes sync issue. // If GPU is working with this buffer, glMapBuffer() will wait(stall) until GPU to finish its job. @@ -4117,27 +4440,26 @@ static void UpdateBuffersDefault(void) // Another option: map the buffer object into client's memory // Probably this code could be moved somewhere else... - // vertexData[currentBuffer].vertices = (float *)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE); - // if (vertexData[currentBuffer].vertices) + // batch->vertexBuffer[batch->currentBuffer].vertices = (float *)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE); + // if (batch->vertexBuffer[batch->currentBuffer].vertices) // { // Update vertex data // } // glUnmapBuffer(GL_ARRAY_BUFFER); // Unbind the current VAO - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); } -} + //------------------------------------------------------------------------------------------------------------ -// Draw default internal buffers vertex data -static void DrawBuffersDefault(void) -{ - Matrix matProjection = projection; - Matrix matModelView = modelview; + // Draw batch vertex buffers (considering VR stereo if required) + //------------------------------------------------------------------------------------------------------------ + Matrix matProjection = RLGL.State.projection; + Matrix matModelView = RLGL.State.modelview; int eyesCount = 1; #if defined(SUPPORT_VR_SIMULATOR) - if (vrStereoRender) eyesCount = 2; + if (RLGL.Vr.stereoRender) eyesCount = 2; #endif for (int eye = 0; eye < eyesCount; eye++) @@ -4145,76 +4467,78 @@ static void DrawBuffersDefault(void) #if defined(SUPPORT_VR_SIMULATOR) if (eyesCount == 2) SetStereoView(eye, matProjection, matModelView); #endif - // Draw buffers - if (vertexData[currentBuffer].vCounter > 0) + if (batch->vertexBuffer[batch->currentBuffer].vCounter > 0) { // Set current shader and upload current MVP matrix - glUseProgram(currentShader.id); - - // Create modelview-projection matrix - Matrix matMVP = MatrixMultiply(modelview, projection); - - glUniformMatrix4fv(currentShader.locs[LOC_MATRIX_MVP], 1, false, MatrixToFloat(matMVP)); - glUniform4f(currentShader.locs[LOC_COLOR_DIFFUSE], 1.0f, 1.0f, 1.0f, 1.0f); - glUniform1i(currentShader.locs[LOC_MAP_DIFFUSE], 0); // Provided value refers to the texture unit (active) - - // TODO: Support additional texture units on custom shader - //if (currentShader->locs[LOC_MAP_SPECULAR] > 0) glUniform1i(currentShader.locs[LOC_MAP_SPECULAR], 1); - //if (currentShader->locs[LOC_MAP_NORMAL] > 0) glUniform1i(currentShader.locs[LOC_MAP_NORMAL], 2); - - // NOTE: Right now additional map textures not considered for default buffers drawing + glUseProgram(RLGL.State.currentShader.id); - int vertexOffset = 0; + // Create modelview-projection matrix and upload to shader + Matrix matMVP = MatrixMultiply(RLGL.State.modelview, RLGL.State.projection); + glUniformMatrix4fv(RLGL.State.currentShader.locs[LOC_MATRIX_MVP], 1, false, MatrixToFloat(matMVP)); - if (vaoSupported) glBindVertexArray(vertexData[currentBuffer].vaoId); + if (RLGL.ExtSupported.vao) glBindVertexArray(batch->vertexBuffer[batch->currentBuffer].vaoId); else { // Bind vertex attrib: position (shader-location = 0) - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[0]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_POSITION], 3, GL_FLOAT, 0, 0, 0); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_POSITION]); + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[0]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_POSITION], 3, GL_FLOAT, 0, 0, 0); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_POSITION]); // Bind vertex attrib: texcoord (shader-location = 1) - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[1]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_TEXCOORD01], 2, GL_FLOAT, 0, 0, 0); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_TEXCOORD01]); + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[1]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_TEXCOORD01], 2, GL_FLOAT, 0, 0, 0); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_TEXCOORD01]); // Bind vertex attrib: color (shader-location = 3) - glBindBuffer(GL_ARRAY_BUFFER, vertexData[currentBuffer].vboId[2]); - glVertexAttribPointer(currentShader.locs[LOC_VERTEX_COLOR], 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0); - glEnableVertexAttribArray(currentShader.locs[LOC_VERTEX_COLOR]); + glBindBuffer(GL_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[2]); + glVertexAttribPointer(RLGL.State.currentShader.locs[LOC_VERTEX_COLOR], 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0); + glEnableVertexAttribArray(RLGL.State.currentShader.locs[LOC_VERTEX_COLOR]); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vertexData[currentBuffer].vboId[3]); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, batch->vertexBuffer[batch->currentBuffer].vboId[3]); } - glActiveTexture(GL_TEXTURE0); + // Setup some default shader values + glUniform4f(RLGL.State.currentShader.locs[LOC_COLOR_DIFFUSE], 1.0f, 1.0f, 1.0f, 1.0f); + glUniform1i(RLGL.State.currentShader.locs[LOC_MAP_DIFFUSE], 0); // Active default sampler2D: texture0 - for (int i = 0; i < drawsCounter; i++) + // Activate additional sampler textures + // Those additional textures will be common for all draw calls of the batch + for (int i = 0; i < MAX_BATCH_ACTIVE_TEXTURES; i++) { - glBindTexture(GL_TEXTURE_2D, draws[i].textureId); + if (RLGL.State.activeTextureId[i] > 0) + { + glActiveTexture(GL_TEXTURE0 + 1 + i); + glBindTexture(GL_TEXTURE_2D, RLGL.State.activeTextureId[i]); + } + } - // TODO: Find some way to bind additional textures --> Use global texture IDs? Register them on draw[i]? - //if (currentShader->locs[LOC_MAP_SPECULAR] > 0) { glActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D, textureUnit1_id); } - //if (currentShader->locs[LOC_MAP_SPECULAR] > 0) { glActiveTexture(GL_TEXTURE2); glBindTexture(GL_TEXTURE_2D, textureUnit2_id); } + // Activate default sampler2D texture0 (one texture is always active for default batch shader) + // NOTE: Batch system accumulates calls by texture0 changes, additional textures are enabled for all the draw calls + glActiveTexture(GL_TEXTURE0); + + for (int i = 0, vertexOffset = 0; i < batch->drawsCounter; i++) + { + // Bind current draw call texture, activated as GL_TEXTURE0 and binded to sampler2D texture0 by default + glBindTexture(GL_TEXTURE_2D, batch->draws[i].textureId); - if ((draws[i].mode == RL_LINES) || (draws[i].mode == RL_TRIANGLES)) glDrawArrays(draws[i].mode, vertexOffset, draws[i].vertexCount); + if ((batch->draws[i].mode == RL_LINES) || (batch->draws[i].mode == RL_TRIANGLES)) glDrawArrays(batch->draws[i].mode, vertexOffset, batch->draws[i].vertexCount); else { #if defined(GRAPHICS_API_OPENGL_33) // We need to define the number of indices to be processed: quadsCount*6 // NOTE: The final parameter tells the GPU the offset in bytes from the // start of the index buffer to the location of the first index to process - glDrawElements(GL_TRIANGLES, draws[i].vertexCount/4*6, GL_UNSIGNED_INT, (GLvoid *)(sizeof(GLuint)*vertexOffset/4*6)); + glDrawElements(GL_TRIANGLES, batch->draws[i].vertexCount/4*6, GL_UNSIGNED_INT, (GLvoid *)(vertexOffset/4*6*sizeof(GLuint))); #elif defined(GRAPHICS_API_OPENGL_ES2) - glDrawElements(GL_TRIANGLES, draws[i].vertexCount/4*6, GL_UNSIGNED_SHORT, (GLvoid *)(sizeof(GLushort)*vertexOffset/4*6)); + glDrawElements(GL_TRIANGLES, batch->draws[i].vertexCount/4*6, GL_UNSIGNED_SHORT, (GLvoid *)(vertexOffset/4*6*sizeof(GLushort))); #endif } - vertexOffset += (draws[i].vertexCount + draws[i].vertexAlignment); + vertexOffset += (batch->draws[i].vertexCount + batch->draws[i].vertexAlignment); } - if (!vaoSupported) + if (!RLGL.ExtSupported.vao) { glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); @@ -4223,43 +4547,51 @@ static void DrawBuffersDefault(void) glBindTexture(GL_TEXTURE_2D, 0); // Unbind textures } - if (vaoSupported) glBindVertexArray(0); // Unbind VAO + if (RLGL.ExtSupported.vao) glBindVertexArray(0); // Unbind VAO glUseProgram(0); // Unbind shader program } + //------------------------------------------------------------------------------------------------------------ + // Reset batch buffers + //------------------------------------------------------------------------------------------------------------ // Reset vertex counters for next frame - vertexData[currentBuffer].vCounter = 0; - vertexData[currentBuffer].tcCounter = 0; - vertexData[currentBuffer].cCounter = 0; + batch->vertexBuffer[batch->currentBuffer].vCounter = 0; + batch->vertexBuffer[batch->currentBuffer].tcCounter = 0; + batch->vertexBuffer[batch->currentBuffer].cCounter = 0; // Reset depth for next draw - currentDepth = -1.0f; + batch->currentDepth = -1.0f; // Restore projection/modelview matrices - projection = matProjection; - modelview = matModelView; + RLGL.State.projection = matProjection; + RLGL.State.modelview = matModelView; - // Reset draws array - for (int i = 0; i < MAX_DRAWCALL_REGISTERED; i++) + // Reset RLGL.currentBatch->draws array + for (int i = 0; i < DEFAULT_BATCH_DRAWCALLS; i++) { - draws[i].mode = RL_QUADS; - draws[i].vertexCount = 0; - draws[i].textureId = defaultTextureId; + batch->draws[i].mode = RL_QUADS; + batch->draws[i].vertexCount = 0; + batch->draws[i].textureId = RLGL.State.defaultTextureId; } - drawsCounter = 1; + // Reset active texture units for next batch + for (int i = 0; i < MAX_BATCH_ACTIVE_TEXTURES; i++) RLGL.State.activeTextureId[i] = 0; + + // Reset draws counter to one draw for the batch + batch->drawsCounter = 1; + //------------------------------------------------------------------------------------------------------------ - // Change to next buffer in the list - currentBuffer++; - if (currentBuffer >= MAX_BATCH_BUFFERING) currentBuffer = 0; + // Change to next buffer in the list (in case of multi-buffering) + batch->currentBuffer++; + if (batch->currentBuffer >= batch->buffersCount) batch->currentBuffer = 0; } // Unload default internal buffers vertex data from CPU and GPU -static void UnloadBuffersDefault(void) +static void UnloadRenderBatch(RenderBatch batch) { // Unbind everything - if (vaoSupported) glBindVertexArray(0); + if (RLGL.ExtSupported.vao) glBindVertexArray(0); glDisableVertexAttribArray(0); glDisableVertexAttribArray(1); glDisableVertexAttribArray(2); @@ -4267,23 +4599,42 @@ static void UnloadBuffersDefault(void) glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); - for (int i = 0; i < MAX_BATCH_BUFFERING; i++) + // Unload all vertex buffers data + for (int i = 0; i < batch.buffersCount; i++) { // Delete VBOs from GPU (VRAM) - glDeleteBuffers(1, &vertexData[i].vboId[0]); - glDeleteBuffers(1, &vertexData[i].vboId[1]); - glDeleteBuffers(1, &vertexData[i].vboId[2]); - glDeleteBuffers(1, &vertexData[i].vboId[3]); + glDeleteBuffers(1, &batch.vertexBuffer[i].vboId[0]); + glDeleteBuffers(1, &batch.vertexBuffer[i].vboId[1]); + glDeleteBuffers(1, &batch.vertexBuffer[i].vboId[2]); + glDeleteBuffers(1, &batch.vertexBuffer[i].vboId[3]); // Delete VAOs from GPU (VRAM) - if (vaoSupported) glDeleteVertexArrays(1, &vertexData[i].vaoId); + if (RLGL.ExtSupported.vao) glDeleteVertexArrays(1, &batch.vertexBuffer[i].vaoId); // Free vertex arrays memory from CPU (RAM) - RL_FREE(vertexData[i].vertices); - RL_FREE(vertexData[i].texcoords); - RL_FREE(vertexData[i].colors); - RL_FREE(vertexData[i].indices); + RL_FREE(batch.vertexBuffer[i].vertices); + RL_FREE(batch.vertexBuffer[i].texcoords); + RL_FREE(batch.vertexBuffer[i].colors); + RL_FREE(batch.vertexBuffer[i].indices); } + + // Unload arrays + RL_FREE(batch.vertexBuffer); + RL_FREE(batch.draws); +} + +// Set the active render batch for rlgl +static void SetRenderBatchActive(RenderBatch *batch) +{ + DrawRenderBatch(RLGL.currentBatch); + RLGL.currentBatch = batch; +} + +// Set default render batch for rlgl +static void SetRenderBatchDefault(void) +{ + DrawRenderBatch(RLGL.currentBatch); + RLGL.currentBatch = &RLGL.defaultBatch; } // Renders a 1x1 XY quad in NDC @@ -4293,33 +4644,34 @@ static void GenDrawQuad(void) unsigned int quadVBO = 0; float vertices[] = { - // Positions // Texture Coords - -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, - -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, - 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, - 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, + // Positions Texcoords + -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, + -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, + 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, + 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, }; - // Set up plane VAO + // Gen VAO to contain VBO glGenVertexArrays(1, &quadVAO); - glGenBuffers(1, &quadVBO); glBindVertexArray(quadVAO); - // Fill buffer + // Gen and fill vertex buffer (VBO) + glGenBuffers(1, &quadVBO); glBindBuffer(GL_ARRAY_BUFFER, quadVBO); glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), &vertices, GL_STATIC_DRAW); - // Link vertex attributes + // Bind vertex attributes (position, texcoords) glEnableVertexAttribArray(0); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5*sizeof(float), (void *)0); + glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5*sizeof(float), (void *)0); // Positions glEnableVertexAttribArray(1); - glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(float), (void *)(3*sizeof(float))); + glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(float), (void *)(3*sizeof(float))); // Texcoords // Draw quad glBindVertexArray(quadVAO); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); glBindVertexArray(0); + // Delete buffers (VBO and VAO) glDeleteBuffers(1, &quadVBO); glDeleteVertexArrays(1, &quadVAO); } @@ -4331,60 +4683,62 @@ static void GenDrawCube(void) unsigned int cubeVBO = 0; float vertices[] = { - -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, - 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, - 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f, - 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, - -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, - -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, - -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, - 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, - 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, - -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, - -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, - -1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, - -1.0f, 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f, - -1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, - -1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, - -1.0f, -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, - -1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, - 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, - 1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, - 1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, - 1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, - 1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, - -1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, - 1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f, - 1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, - 1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, - -1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, - -1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, - -1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, - 1.0f, 1.0f , 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, - 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, - -1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, - -1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f + // Positions Normals Texcoords + -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, + 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, + 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f, + 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, + -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, + -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, + -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, + 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, + 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, + 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, + -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, + -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, + -1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, + -1.0f, 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f, + -1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, + -1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, + -1.0f, -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, + -1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, + 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, + 1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, + 1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, + 1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, + 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, + 1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, + -1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, + 1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f, + 1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, + 1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, + -1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, + -1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, + -1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, + 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, + 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, + 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, + -1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, + -1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f }; - // Set up cube VAO + // Gen VAO to contain VBO glGenVertexArrays(1, &cubeVAO); - glGenBuffers(1, &cubeVBO); + glBindVertexArray(cubeVAO); - // Fill buffer + // Gen and fill vertex buffer (VBO) + glGenBuffers(1, &cubeVBO); glBindBuffer(GL_ARRAY_BUFFER, cubeVBO); glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); - // Link vertex attributes + // Bind vertex attributes (position, normals, texcoords) glBindVertexArray(cubeVAO); glEnableVertexAttribArray(0); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)0); + glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)0); // Positions glEnableVertexAttribArray(1); - glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)(3*sizeof(float))); + glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)(3*sizeof(float))); // Normals glEnableVertexAttribArray(2); - glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)(6*sizeof(float))); + glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8*sizeof(float), (void *)(6*sizeof(float))); // Texcoords glBindBuffer(GL_ARRAY_BUFFER, 0); glBindVertexArray(0); @@ -4393,6 +4747,7 @@ static void GenDrawCube(void) glDrawArrays(GL_TRIANGLES, 0, 36); glBindVertexArray(0); + // Delete VBO and VAO glDeleteBuffers(1, &cubeVBO); glDeleteVertexArrays(1, &cubeVAO); } @@ -4405,13 +4760,13 @@ static void SetStereoView(int eye, Matrix matProjection, Matrix matModelView) Matrix eyeModelView = matModelView; // Setup viewport and projection/modelview matrices using tracking data - rlViewport(eye*screenWidth/2, 0, screenWidth/2, screenHeight); + rlViewport(eye*RLGL.State.framebufferWidth/2, 0, RLGL.State.framebufferWidth/2, RLGL.State.framebufferHeight); // Apply view offset to modelview matrix - eyeModelView = MatrixMultiply(matModelView, vrConfig.eyesViewOffset[eye]); + eyeModelView = MatrixMultiply(matModelView, RLGL.Vr.config.eyesViewOffset[eye]); // Set current eye projection matrix - eyeProjection = vrConfig.eyesProjection[eye]; + eyeProjection = RLGL.Vr.config.eyesProjection[eye]; SetMatrixModelview(eyeModelView); SetMatrixProjection(eyeProjection); @@ -4436,20 +4791,20 @@ static int GenerateMipmaps(unsigned char *data, int baseWidth, int baseHeight) if (width != 1) width /= 2; if (height != 1) height /= 2; - TraceLog(LOG_DEBUG, "Next mipmap size: %i x %i", width, height); + TRACELOGD("TEXTURE: Next mipmap size: %i x %i", width, height); mipmapCount++; size += (width*height*4); // Add mipmap size (in bytes) } - TraceLog(LOG_DEBUG, "Total mipmaps required: %i", mipmapCount); - TraceLog(LOG_DEBUG, "Total size of data required: %i", size); + TRACELOGD("TEXTURE: Total mipmaps required: %i", mipmapCount); + TRACELOGD("TEXTURE: Total size of data required: %i", size); - unsigned char *temp = realloc(data, size); + unsigned char *temp = RL_REALLOC(data, size); if (temp != NULL) data = temp; - else TraceLog(LOG_WARNING, "Mipmaps required memory could not be allocated"); + else TRACELOG(LOG_WARNING, "TEXTURE: Failed to allocate required mipmaps memory"); width = baseWidth; height = baseHeight; @@ -4471,7 +4826,7 @@ static int GenerateMipmaps(unsigned char *data, int baseWidth, int baseHeight) j++; } - TraceLog(LOG_DEBUG, "Mipmap base (%ix%i)", width, height); + TRACELOGD("TEXTURE: Mipmap base size (%ix%i)", width, height); for (int mip = 1; mip < mipmapCount; mip++) { @@ -4542,34 +4897,55 @@ static Color *GenNextMipmap(Color *srcData, int srcWidth, int srcHeight) } } - TraceLog(LOG_DEBUG, "Mipmap generated successfully (%ix%i)", width, height); + TRACELOGD("TEXTURE: Mipmap generated successfully (%ix%i)", width, height); return mipmap; } #endif #if defined(RLGL_STANDALONE) -// Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG) -void TraceLog(int msgType, const char *text, ...) +// Load text data from file, returns a '\0' terminated string +// NOTE: text chars array should be freed manually +char *LoadFileText(const char *fileName) { - va_list args; - va_start(args, text); + char *text = NULL; - switch (msgType) + if (fileName != NULL) { - case LOG_INFO: fprintf(stdout, "INFO: "); break; - case LOG_ERROR: fprintf(stdout, "ERROR: "); break; - case LOG_WARNING: fprintf(stdout, "WARNING: "); break; - case LOG_DEBUG: fprintf(stdout, "DEBUG: "); break; - default: break; - } + FILE *textFile = fopen(fileName, "rt"); + + if (textFile != NULL) + { + // WARNING: When reading a file as 'text' file, + // text mode causes carriage return-linefeed translation... + // ...but using fseek() should return correct byte-offset + fseek(textFile, 0, SEEK_END); + int size = ftell(textFile); + fseek(textFile, 0, SEEK_SET); - vfprintf(stdout, text, args); - fprintf(stdout, "\n"); + if (size > 0) + { + text = (char *)RL_MALLOC((size + 1)*sizeof(char)); + int count = fread(text, sizeof(char), size, textFile); - va_end(args); + // WARNING: \r\n is converted to \n on reading, so, + // read bytes count gets reduced by the number of lines + if (count < size) text = RL_REALLOC(text, count + 1); + + // Zero-terminate the string + text[count] = '\0'; + + TRACELOG(LOG_INFO, "FILEIO: [%s] Text file loaded successfully", fileName); + } + else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to read text file", fileName); - if (msgType == LOG_ERROR) exit(1); + fclose(textFile); + } + else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName); + } + else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); + + return text; } // Get pixel data size in bytes (image or texture) @@ -4607,8 +4983,16 @@ int GetPixelDataSize(int width, int height, int format) dataSize = width*height*bpp/8; // Total data size in bytes + // Most compressed formats works on 4x4 blocks, + // if texture is smaller, minimum dataSize is 8 or 16 + if ((width < 4) && (height < 4)) + { + if ((format >= COMPRESSED_DXT1_RGB) && (format < COMPRESSED_DXT3_RGBA)) dataSize = 8; + else if ((format >= COMPRESSED_DXT3_RGBA) && (format < COMPRESSED_ASTC_8x8_RGBA)) dataSize = 16; + } + return dataSize; } #endif // RLGL_STANDALONE -#endif // RLGL_IMPLEMENTATION
\ No newline at end of file +#endif // RLGL_IMPLEMENTATION |