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Updated instanced rendering support loading (#4408)

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Rapha
2024-10-21 11:56:19 -03:00
committed by GitHub
parent 7601468211
commit f402147a63
1 changed files with 27 additions and 15 deletions
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42
src/rlgl.h
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@@ -2472,25 +2472,37 @@ void rlLoadExtensions(void *loader)
}
// Check instanced rendering support
if (strcmp(extList[i], (const char *)"GL_ANGLE_instanced_arrays") == 0) // Web ANGLE
{
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedANGLE");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedANGLE");
glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISOREXTPROC)((rlglLoadProc)loader)("glVertexAttribDivisorANGLE");
if ((glDrawArraysInstanced != NULL) && (glDrawElementsInstanced != NULL) && (glVertexAttribDivisor != NULL)) RLGL.ExtSupported.instancing = true;
}
else
{
if ((strcmp(extList[i], (const char *)"GL_EXT_draw_instanced") == 0) && // Standard EXT
(strcmp(extList[i], (const char *)"GL_EXT_instanced_arrays") == 0))
{
if (strstr(extList[i], (const char*)"instanced_arrays") != NULL) { //Broad check for instanced_arrays
//Specific check
if (strcmp(extList[i], (const char*)"GL_ANGLE_instanced_arrays") == 0) { //ANGLE
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedANGLE");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedANGLE");
glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISOREXTPROC)((rlglLoadProc)loader)("glVertexAttribDivisorANGLE");
}
else if (strcmp(extList[i], (const char*)"GL_EXT_instanced_arrays") == 0) { //EXT
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedEXT");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedEXT");
glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISOREXTPROC)((rlglLoadProc)loader)("glVertexAttribDivisorEXT");
if ((glDrawArraysInstanced != NULL) && (glDrawElementsInstanced != NULL) && (glVertexAttribDivisor != NULL)) RLGL.ExtSupported.instancing = true;
} else if (strcmp(extList[i], (const char*)"GL_NV_instanced_arrays") == 0) { //NVIDIA GLES
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedNV");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedNV");
glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISOREXTPROC)((rlglLoadProc)loader)("glVertexAttribDivisorNV");
}
//The feature will only be marked as supported if the elements from GL_XXX_instanced_arrays are present
if ((glDrawArraysInstanced != NULL) && (glDrawElementsInstanced != NULL) && (glVertexAttribDivisor != NULL)) RLGL.ExtSupported.instancing = true;
} else if (strstr(extList[i], (const char*)"draw_instanced") != NULL) {
//GL_ANGLE_draw_instanced doesn't exist
if (strcmp(extList[i], (const char*)"GL_EXT_draw_instanced") == 0) {
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedEXT");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedEXT");
} else if (strcmp(extList[i], (const char*)"GL_NV_draw_instanced") == 0) {
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawArraysInstancedNV");
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDEXTPROC)((rlglLoadProc)loader)("glDrawElementsInstancedNV");
}
//But the functions will at least be loaded if only GL_XX_EXT_draw_instanced exist
if ((glDrawArraysInstanced != NULL) && (glDrawElementsInstanced != NULL) && (glVertexAttribDivisor != NULL)) RLGL.ExtSupported.instancing = true;
}
// Check NPOT textures support