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update rlgl - support of rlsw's framebuffers

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Bigfoot71 2026-03-17 01:09:42 +01:00
parent 42ddf558f9
commit fd6fdcce91
1 changed files with 18 additions and 10 deletions
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28
src/rlgl.h
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@ -838,6 +838,7 @@ RLAPI void rlLoadDrawQuad(void); // Load and draw a quad
#if defined(GRAPHICS_API_OPENGL_11_SOFTWARE) #if defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
#define RLSW_IMPLEMENTATION #define RLSW_IMPLEMENTATION
#define SW_MALLOC(sz) RL_MALLOC(sz) #define SW_MALLOC(sz) RL_MALLOC(sz)
#define SW_CALLOC(n,sz) RL_CALLOC(n, sz)
#define SW_REALLOC(ptr, newSz) RL_REALLOC(ptr, newSz) #define SW_REALLOC(ptr, newSz) RL_REALLOC(ptr, newSz)
#define SW_FREE(ptr) RL_FREE(ptr) #define SW_FREE(ptr) RL_FREE(ptr)
#include "external/rlsw.h" // OpenGL 1.1 software implementation #include "external/rlsw.h" // OpenGL 1.1 software implementation
@ -1857,7 +1858,7 @@ void rlDisableShader(void)
// Enable rendering to texture (fbo) // Enable rendering to texture (fbo)
void rlEnableFramebuffer(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(GRAPHICS_API_OPENGL_11_SOFTWARE))
glBindFramebuffer(GL_FRAMEBUFFER, id); glBindFramebuffer(GL_FRAMEBUFFER, id);
#endif #endif
} }
@ -1866,7 +1867,7 @@ void rlEnableFramebuffer(unsigned int id)
unsigned int rlGetActiveFramebuffer(void) unsigned int rlGetActiveFramebuffer(void)
{ {
GLint fboId = 0; GLint fboId = 0;
#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES3)) #if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES3) || defined(GRAPHICS_API_OPENGL_11_SOFTWARE))
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &fboId); glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &fboId);
#endif #endif
return fboId; return fboId;
@ -1875,7 +1876,7 @@ unsigned int rlGetActiveFramebuffer(void)
// Disable rendering to texture // Disable rendering to texture
void rlDisableFramebuffer(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(GRAPHICS_API_OPENGL_11_SOFTWARE))
glBindFramebuffer(GL_FRAMEBUFFER, 0); glBindFramebuffer(GL_FRAMEBUFFER, 0);
#endif #endif
} }
@ -1891,7 +1892,7 @@ void rlBlitFramebuffer(int srcX, int srcY, int srcWidth, int srcHeight, int dstX
// Bind framebuffer object (fbo) // Bind framebuffer object (fbo)
void rlBindFramebuffer(unsigned int target, unsigned int framebuffer) void rlBindFramebuffer(unsigned int target, unsigned int framebuffer)
{ {
#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) #if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_11_SOFTWARE))
glBindFramebuffer(target, framebuffer); glBindFramebuffer(target, framebuffer);
#endif #endif
} }
@ -3471,6 +3472,13 @@ unsigned int rlLoadTextureDepth(int width, int height, bool useRenderBuffer)
TRACELOG(RL_LOG_INFO, "TEXTURE: [ID %i] Depth renderbuffer loaded successfully (%i bits)", id, (RLGL.ExtSupported.maxDepthBits >= 24)? RLGL.ExtSupported.maxDepthBits : 16); TRACELOG(RL_LOG_INFO, "TEXTURE: [ID %i] Depth renderbuffer loaded successfully (%i bits)", id, (RLGL.ExtSupported.maxDepthBits >= 24)? RLGL.ExtSupported.maxDepthBits : 16);
} }
#elif defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
// NOTE: Renderbuffers are the same type of object as textures in rlsw
// WARNING: Ensure that the depth format is the one specified at rlsw compilation
glGenRenderbuffers(1, &id);
glBindRenderbuffer(GL_RENDERBUFFER, id);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT32, width, height);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
#endif #endif
return id; return id;
@ -3771,7 +3779,7 @@ void rlCopyFramebuffer(int x, int y, int width, int height, int format, void *pi
#if defined(GRAPHICS_API_OPENGL_11_SOFTWARE) #if defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
unsigned int glInternalFormat, glFormat, glType; unsigned int glInternalFormat, glFormat, glType;
rlGetGlTextureFormats(format, &glInternalFormat, &glFormat, &glType); // Get OpenGL texture format rlGetGlTextureFormats(format, &glInternalFormat, &glFormat, &glType); // Get OpenGL texture format
swCopyFramebuffer(x, y, width, height, glFormat, glType, pixels); swReadPixels(x, y, width, height, glFormat, glType, pixels);
#endif #endif
} }
@ -3779,7 +3787,7 @@ void rlCopyFramebuffer(int x, int y, int width, int height, int format, void *pi
void rlResizeFramebuffer(int width, int height) void rlResizeFramebuffer(int width, int height)
{ {
#if defined(GRAPHICS_API_OPENGL_11_SOFTWARE) #if defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
swResizeFramebuffer(width, height); swResize(width, height);
#endif #endif
} }
@ -3829,7 +3837,7 @@ unsigned int rlLoadFramebuffer(void)
unsigned int fboId = 0; unsigned int fboId = 0;
if (!isGpuReady) { TRACELOG(RL_LOG_WARNING, "GL: GPU is not ready to load data, trying to load before InitWindow()?"); return fboId; } if (!isGpuReady) { TRACELOG(RL_LOG_WARNING, "GL: GPU is not ready to load data, trying to load before InitWindow()?"); return fboId; }
#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) #if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_11_SOFTWARE))
glGenFramebuffers(1, &fboId); // Create the framebuffer object glGenFramebuffers(1, &fboId); // Create the framebuffer object
glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind any framebuffer glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind any framebuffer
#endif #endif
@ -3841,7 +3849,7 @@ unsigned int rlLoadFramebuffer(void)
// NOTE: Attach type: 0-Color, 1-Depth renderbuffer, 2-Depth texture // NOTE: Attach type: 0-Color, 1-Depth renderbuffer, 2-Depth texture
void rlFramebufferAttach(unsigned int id, unsigned int texId, int attachType, int texType, int mipLevel) void rlFramebufferAttach(unsigned int id, unsigned int texId, int attachType, int texType, int mipLevel)
{ {
#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) #if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_11_SOFTWARE))
glBindFramebuffer(GL_FRAMEBUFFER, id); glBindFramebuffer(GL_FRAMEBUFFER, id);
switch (attachType) switch (attachType)
@ -3881,7 +3889,7 @@ bool rlFramebufferComplete(unsigned int id)
{ {
bool result = false; bool result = false;
#if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)) #if (defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_11_SOFTWARE))
glBindFramebuffer(GL_FRAMEBUFFER, id); glBindFramebuffer(GL_FRAMEBUFFER, id);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
@ -3912,7 +3920,7 @@ bool rlFramebufferComplete(unsigned int id)
// NOTE: All attached textures/cubemaps/renderbuffers are also deleted // NOTE: All attached textures/cubemaps/renderbuffers are also deleted
void rlUnloadFramebuffer(unsigned int id) void rlUnloadFramebuffer(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(GRAPHICS_API_OPENGL_11_SOFTWARE))
// Query depth attachment to automatically delete texture/renderbuffer // Query depth attachment to automatically delete texture/renderbuffer
int depthType = 0; int depthType = 0;
glBindFramebuffer(GL_FRAMEBUFFER, id); // Bind framebuffer to query depth texture type glBindFramebuffer(GL_FRAMEBUFFER, id); // Bind framebuffer to query depth texture type