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OpenGL: Attempt to fix rare crashing on Windows for GPU drivers that return NULL from wglGetProcAddress for core OpenGL functions

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This commit is contained in:
UnknownShadow200 2021-11-19 20:56:44 +11:00
parent 762660d7c6
commit 2c59a9ebf7
1 changed files with 7 additions and 0 deletions
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7
src/Window_Win.c
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@ -652,7 +652,14 @@ void GLContext_Free(void) {
} }
void* GLContext_GetAddress(const char* function) { void* GLContext_GetAddress(const char* function) {
static const cc_string glPath = String_FromConst("OPENGL32.dll");
static void* lib;
void* addr = (void*)wglGetProcAddress(function); void* addr = (void*)wglGetProcAddress(function);
if (!GLContext_IsInvalidAddress(addr)) return addr;
/* Some drivers return NULL from wglGetProcAddress for core OpenGL functions */
if (!lib) lib = DynamicLib_Load2(&glPath);
addr = DynamicLib_Get2(lib, function);
return GLContext_IsInvalidAddress(addr) ? NULL : addr; return GLContext_IsInvalidAddress(addr) ? NULL : addr;
} }