SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


Get an OpenGL function by name.


void* SDL_GL_GetProcAddress(const char *proc);

Function Parameters

proc the name of an OpenGL function

Return Value

Returns a pointer to the named OpenGL function. The returned pointer should be cast to the appropriate function signature.


If the GL library is loaded at runtime with SDL_GL_LoadLibrary(), then all GL functions must be retrieved this way. Usually this is used to retrieve function pointers to OpenGL extensions.

There are some quirks to looking up OpenGL functions that require some extra care from the application. If you code carefully, you can handle these quirks without any platform-specific code, though:


This function is available since SDL 2.0.0.


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