diff options
Diffstat (limited to 'src/rlgl.h')
| -rw-r--r-- | src/rlgl.h | 77 |
1 files changed, 68 insertions, 9 deletions
@@ -32,7 +32,7 @@ //#define RLGL_STANDALONE // NOTE: To use rlgl as standalone lib, just uncomment this line #ifndef RLGL_STANDALONE - #include "raylib.h" // Required for typedef: Model + #include "raylib.h" // Required for typedef(s): Model, Shader, Texture2D #include "utils.h" // Required for function TraceLog() #endif @@ -89,21 +89,69 @@ typedef enum { RL_LINES, RL_TRIANGLES, RL_QUADS } DrawMode; typedef enum { OPENGL_11 = 1, OPENGL_33, OPENGL_ES_20 } GlVersion; #ifdef RLGL_STANDALONE - typedef struct { + // Texture formats (support depends on OpenGL version) + typedef enum { + UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha) + UNCOMPRESSED_R5G6B5, // 16 bpp + UNCOMPRESSED_R8G8B8, // 24 bpp + UNCOMPRESSED_R5G5B5A1, // 16 bpp (1 bit alpha) + UNCOMPRESSED_R4G4B4A4, // 16 bpp (4 bit alpha) + UNCOMPRESSED_R8G8B8A8, // 32 bpp + COMPRESSED_DXT1_RGB, // 4 bpp (no alpha) + COMPRESSED_DXT1_RGBA, // 4 bpp (1 bit alpha) + COMPRESSED_DXT3_RGBA, // 8 bpp + COMPRESSED_DXT5_RGBA, // 8 bpp + COMPRESSED_ETC1_RGB, // 4 bpp + COMPRESSED_ETC2_RGB, // 4 bpp + COMPRESSED_ETC2_EAC_RGBA, // 8 bpp + COMPRESSED_PVRT_RGB, // 4 bpp + COMPRESSED_PVRT_RGBA, // 4 bpp + /*COMPRESSED_ASTC_RGBA_4x4*/ // 8 bpp + } TextureFormat; + + // VertexData type + // NOTE: If using OpenGL 1.1, data loaded in CPU; if OpenGL 3.3+ data loaded in GPU (vaoId) + typedef struct VertexData { int vertexCount; float *vertices; // 3 components per vertex float *texcoords; // 2 components per vertex float *normals; // 3 components per vertex unsigned char *colors; + unsigned int vaoId; + unsigned int vboId[4]; } VertexData; + // Shader type + typedef struct Shader { + unsigned int id; // Shader program id + + // Variable attributes + unsigned int vertexLoc; // Vertex attribute location point (vertex shader) + unsigned int texcoordLoc; // Texcoord attribute location point (vertex shader) + unsigned int normalLoc; // Normal attribute location point (vertex shader) + unsigned int colorLoc; // Color attibute location point (vertex shader) + + // Uniforms + unsigned int projectionLoc; // Projection matrix uniform location point (vertex shader) + unsigned int modelviewLoc; // ModeView matrix uniform location point (vertex shader) + unsigned int textureLoc; // Texture uniform location point (fragment shader) + unsigned int tintColorLoc; // Color uniform location point (fragment shader) + } Shader; + + // 3d Model type typedef struct Model { VertexData mesh; - unsigned int vaoId; - unsigned int vboId[4]; - unsigned int textureId; - //Matrix transform; + Matrix transform; + Texture2D texture; + Shader shader; } Model; + + // Texture2D type + typedef struct Texture2D { + unsigned int id; // Texture id + int width; + int height; + } Texture2D; #endif #ifdef __cplusplus @@ -145,11 +193,13 @@ void rlColor4f(float x, float y, float z, float w); // Define one vertex (color) void rlEnableTexture(unsigned int id); // Enable texture usage void rlDisableTexture(void); // Disable texture usage void rlDeleteTextures(unsigned int id); // Delete OpenGL texture from GPU +void rlDeleteShader(unsigned int id); // Delete OpenGL shader program from GPU void rlDeleteVertexArrays(unsigned int id); // Unload vertex data (VAO) from GPU memory void rlDeleteBuffers(unsigned int id); // Unload vertex data (VBO) from GPU memory void rlClearColor(byte r, byte g, byte b, byte a); // Clear color buffer with color void rlClearScreenBuffers(void); // Clear used screen buffers (color and depth) int rlGetVersion(void); // Returns current OpenGL version +void rlEnableFBO(void); // Enable rendering to postprocessing FBO //------------------------------------------------------------------------------------ // Functions Declaration - rlgl functionality @@ -159,11 +209,20 @@ void rlglClose(void); // De-init rlgl void rlglDraw(void); // Draw VAO/VBO void rlglInitGraphics(int offsetX, int offsetY, int width, int height); // Initialize Graphics (OpenGL stuff) -unsigned int rlglLoadTexture(unsigned char *data, int width, int height, bool genMipmaps); // Load in GPU OpenGL texture -unsigned int rlglLoadCompressedTexture(unsigned char *data, int width, int height, int mipmapCount, int format); +unsigned int rlglLoadTexture(void *data, int width, int height, int textureFormat, int mipmapCount, bool genMipmaps); // Load in GPU OpenGL texture +Shader rlglLoadShader(char *vsFileName, char *fsFileName); // Load a shader (vertex shader + fragment shader) from files +unsigned int rlglLoadShaderFromText(char *vShaderStr, char *fShaderStr); // Load a shader from text data +void rlglInitPostpro(void); // Initialize postprocessing system +void rlglDrawPostpro(void); // Draw with postprocessing shader +void rlglSetPostproShader(Shader shader); // Set postprocessing shader +void rlglSetModelShader(Model *model, Shader shader); // Set shader for a model +void rlglSetCustomShader(Shader shader); // Set custom shader to be used on batch draw +void rlglSetDefaultShader(void); // Set default shader to be used on batch draw Model rlglLoadModel(VertexData mesh); // Upload vertex data into GPU and provided VAO/VBO ids -void rlglDrawModel(Model model, Vector3 position, Vector3 rotation, Vector3 scale, Color color, bool wires); +void rlglDrawModel(Model model, Vector3 position, float rotationAngle, Vector3 rotationAxis, Vector3 scale, Color color, bool wires); + +Vector3 rlglUnproject(Vector3 source, Matrix proj, Matrix view); // Get world coordinates from screen coordinates byte *rlglReadScreenPixels(int width, int height); // Read screen pixel data (color buffer) |