layer0/GraphicsUtil.h (6 lines of code) (raw):

#pragma once #include "os_gl.h" // Generic Error Handing bool glCheckOkay(); void GLAPIENTRY gl_debug_proc(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar *, const void *); // userParam is qualified as const in OpenGL 4.4 spec but non-const in OpenGL 4.3 spec void GLAPIENTRY gl_debug_proc(GLenum, GLenum, GLuint, GLenum, GLsizei, const GLchar *, void *); size_t gl_sizeof(GLenum type);