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nickrolfe/OpenGL extensions with X-macros

Last active March 22, 2017 01:53
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OpenGL extensions with X-macros
//----------------------------------------------------------------------
// in opengl.h
XX(PFNGLACTIVETEXTUREPROC, glActiveTexture)
XX(PFNGLATTACHSHADERPROC, glAttachShader)
XX(PFNGLBINDBUFFERPROC, glBindBuffer)
// etc.
//----------------------------------------------------------------------
// in a C file
// Define all the OpenGL function pointers
#define XX(t, n) t n;
#include "opengl.h"
//----------------------------------------------------------------------
// in an init function
// Load all the OpenGL function pointers.
#define XX(t, n) (n) = (t)win_get_gl_proc_address(#n); // calls wglGetProcAddress and/or GetProcAddress
#include "opengl.h"
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