diff --git a/src/rlgl.h b/src/rlgl.h index e4e659ac916c..3d211d8c80e2 100644 --- a/src/rlgl.h +++ b/src/rlgl.h @@ -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