diff options
| -rw-r--r-- | src/rlgl.h | 56 |
1 files changed, 50 insertions, 6 deletions
@@ -525,8 +525,11 @@ RLAPI void rlDisableShader(void); // Disable shader progra // Framebuffer state RLAPI void rlEnableFramebuffer(unsigned int id); // Enable render texture (fbo) RLAPI void rlDisableFramebuffer(void); // Disable render texture (fbo), return to default framebuffer +RLAPI void rlActiveDrawBuffers(int count); // Activate multiple draw color buffers // General render state +RLAPI void rlEnableColorBlend(void); // Enable color blending +RLAPI void rlDisableColorBlend(void); // Disable color blending RLAPI void rlEnableDepthTest(void); // Enable depth test RLAPI void rlDisableDepthTest(void); // Disable depth test RLAPI void rlEnableDepthMask(void); // Enable depth write @@ -1544,6 +1547,49 @@ void rlDisableFramebuffer(void) #endif } +// Activate multiple draw color buffers +// NOTE: One color buffer is always active by default +void rlActiveDrawBuffers(int count) +{ +#if (defined(GRAPHICS_API_OPENGL_33) && defined(SUPPORT_RENDER_TEXTURES_HINT)) + // NOTE: Maximum number of draw buffers supported is implementation dependant, + // it can be queried with glGet*() but it must be at least 8 + //GLint maxDrawBuffers = 0; + //glGetIntegerv(GL_MAX_DRAW_BUFFERS, &maxDrawBuffers); + + if (count > 0) + { + if (count > 8) TRACELOG(LOG_WARNING, "GL: Max color buffers limited to 8"); + else + { + unsigned int buffers[8] = { + GL_COLOR_ATTACHMENT0, + GL_COLOR_ATTACHMENT1, + GL_COLOR_ATTACHMENT2, + GL_COLOR_ATTACHMENT3, + GL_COLOR_ATTACHMENT4, + GL_COLOR_ATTACHMENT5, + GL_COLOR_ATTACHMENT6, + GL_COLOR_ATTACHMENT7, + }; + + glDrawBuffers(count, buffers); + } + } + else TRACELOG(LOG_WARNING, "GL: One color buffer active by default"); +#endif +} + +//---------------------------------------------------------------------------------- +// General render state configuration +//---------------------------------------------------------------------------------- + +// Enable color blending +void rlEnableColorBlend(void) { glEnable(GL_BLEND); } + +// Disable color blending +void rlDisableColorBlend(void) { glDisable(GL_BLEND); } + // Enable depth test void rlEnableDepthTest(void) { glEnable(GL_DEPTH_TEST); } @@ -1588,11 +1634,9 @@ void rlDisableWireMode(void) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); #endif } + // Set the line drawing width -void rlSetLineWidth(float width) -{ - glLineWidth(width); -} +void rlSetLineWidth(float width) { glLineWidth(width); } // Get the line drawing width float rlGetLineWidth(void) @@ -3209,10 +3253,10 @@ void rlDisableVertexBufferElement(void) // Update GPU buffer with new data // NOTE: dataSize and offset must be provided in bytes -void rlUpdateVertexBuffer(unsigned int bufferId, void *data, int dataSize, int offset) +void rlUpdateVertexBuffer(unsigned int id, void *data, int dataSize, int offset) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - glBindBuffer(GL_ARRAY_BUFFER, bufferId); + glBindBuffer(GL_ARRAY_BUFFER, id); glBufferSubData(GL_ARRAY_BUFFER, offset, dataSize, data); #endif } |