#ifndef GL_SHARED_H
#define GL_SHARED_H

#define WIN32_LEAN_AND_MEAN
#include <Windows.h>

#include <gl/gl.h>
#include <gl/glext.h>

void GL_Load();

void GL_CheckError();
void GL_CheckErrorEx(const char* filename, int line);
void GL_CheckErrorFunction(const char* expression, const char* filename, int line);

#define GL_CHECK_ERROR() \
	GL_CheckErrorEx(__FILE__, __LINE__)

#define GL_CHECK_FUNC_ERROR(expr) \
	expr; \
	GL_CheckErrorFunction(#expr, __FILE__, __LINE__)

// OpenGL 1.5 Functional
extern PFNGLGENQUERIESPROC glGenQueries;
extern PFNGLDELETEQUERIESPROC glDeleteQueries;
extern PFNGLISQUERYPROC glIsQuery;
extern PFNGLBEGINQUERYPROC glBeginQuery;
extern PFNGLENDQUERYPROC glEndQuery;
extern PFNGLGETQUERYIVPROC glGetQueryiv;
extern PFNGLGETQUERYOBJECTIVPROC glGetQueryObjectiv;
extern PFNGLGETQUERYOBJECTUIVPROC glGetQueryObjectuiv;
extern PFNGLBINDBUFFERPROC glBindBuffer;
extern PFNGLDELETEBUFFERSPROC glDeleteBuffers;
extern PFNGLGENBUFFERSPROC glGenBuffers;
extern PFNGLISBUFFERPROC glIsBuffer;
extern PFNGLBUFFERDATAPROC glBufferData;
extern PFNGLBUFFERSUBDATAPROC glBufferSubData;
extern PFNGLGETBUFFERSUBDATAPROC glGetBufferSubData;
extern PFNGLMAPBUFFERPROC glMapBuffer;
extern PFNGLUNMAPBUFFERPROC glUnmapBuffer;
extern PFNGLGETBUFFERPARAMETERIVPROC glGetBufferParameteriv;
extern PFNGLGETBUFFERPOINTERVPROC glGetBufferPointerv;

#endif // !GL_SHARED_H