#ifndef BBGE_RENDERBASE_H
#define BBGE_RENDERBASE_H

#include "SDL.h"

// Define this before including GL headers to avoid pulling in windows.h
#if defined(_WIN32) && !defined(APIENTRY)
#  define APIENTRY __stdcall
#endif

#define GL_GLEXT_LEGACY 1
#include "gl.h"
#include "glext.h"

#ifdef _WINDOWS_
#error windows.h was included! euuugh!
#endif

#ifdef APIENTRY
#undef APIENTRY
#endif

#ifdef WINGDIAPI
#undef WINGDIAPI
#endif

extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;

#ifdef BBGE_BUILD_SHADERS
// GL_ARB_shader_objects
extern PFNGLCREATEPROGRAMOBJECTARBPROC  glCreateProgramObjectARB;
extern PFNGLDELETEOBJECTARBPROC         glDeleteObjectARB;
extern PFNGLUSEPROGRAMOBJECTARBPROC     glUseProgramObjectARB;
extern PFNGLCREATESHADEROBJECTARBPROC   glCreateShaderObjectARB;
extern PFNGLSHADERSOURCEARBPROC         glShaderSourceARB;
extern PFNGLCOMPILESHADERARBPROC        glCompileShaderARB;
extern PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
extern PFNGLATTACHOBJECTARBPROC         glAttachObjectARB;
extern PFNGLGETINFOLOGARBPROC           glGetInfoLogARB;
extern PFNGLLINKPROGRAMARBPROC          glLinkProgramARB;
extern PFNGLGETUNIFORMLOCATIONARBPROC   glGetUniformLocationARB;
extern PFNGLGETACTIVEUNIFORMARBPROC     glGetActiveUniformARB;
extern PFNGLUNIFORM1FVARBPROC           glUniform1fvARB ;
extern PFNGLUNIFORM2FVARBPROC           glUniform2fvARB;
extern PFNGLUNIFORM3FVARBPROC           glUniform3fvARB;
extern PFNGLUNIFORM4FVARBPROC           glUniform4fvARB;
extern PFNGLUNIFORM1IVARBPROC           glUniform1ivARB;
extern PFNGLUNIFORM2IVARBPROC           glUniform2ivARB;
extern PFNGLUNIFORM3IVARBPROC           glUniform3ivARB;
extern PFNGLUNIFORM4IVARBPROC           glUniform4ivARB;
#endif

#ifdef BBGE_BUILD_FRAMEBUFFER
extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
#endif



#endif