tge/engine/platformWin32/platformGL.h
2017-04-17 06:17:10 -06:00

181 lines
3.9 KiB
C
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (c) 2003 GarageGames.Com
//-----------------------------------------------------------------------------
#ifndef _PLATFORMGL_H_
#define _PLATFORMGL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "platformWin32/gl_types.h"
#define GLAPI extern
#define GLAPIENTRY __stdcall
#include "platformWin32/gl_types.h"
#define GL_FUNCTION(fn_type,fn_name,fn_args, fn_value) extern fn_type (__stdcall *fn_name)fn_args;
#include "platform/GLCoreFunc.h"
#include "platform/GLExtFunc.h"
#include "platform/GLUFunc.h"
#undef GL_FUNCTION
/* EXT_vertex_buffer */
#define GL_V12MTVFMT_EXT 0x8702
#define GL_V12MTNVFMT_EXT 0x8703
#define GL_V12FTVFMT_EXT 0x8704
#define GL_V12FMTVFMT_EXT 0x8705
struct GLState
{
bool suppARBMultitexture;
bool suppEXTblendcolor;
bool suppEXTblendminmax;
bool suppPackedPixels;
bool suppTexEnvAdd;
bool suppLockedArrays;
bool suppTextureEnvCombine;
bool suppVertexArrayRange;
bool suppFogCoord;
bool suppEdgeClamp;
bool suppTextureCompression;
bool suppS3TC;
bool suppFXT1;
bool suppTexAnisotropic;
bool suppPalettedTexture;
bool suppVertexBuffer;
bool suppSwapInterval;
unsigned int triCount[4];
unsigned int primCount[4];
unsigned int primMode; // 0-3
GLfloat maxAnisotropy;
GLint maxTextureUnits;
bool isDirect3D;
};
extern GLState gGLState;
#define UNSIGNED_SHORT_5_6_5 0x8363
#define UNSIGNED_SHORT_5_6_5_REV 0x8364
extern bool gOpenGLDisablePT;
extern bool gOpenGLDisableCVA;
extern bool gOpenGLDisableTEC;
extern bool gOpenGLDisableARBMT;
extern bool gOpenGLDisableFC;
extern bool gOpenGLDisableTCompress;
extern bool gOpenGLNoEnvColor;
extern float gOpenGLGammaCorrection;
extern bool gOpenGLNoDrawArraysAlpha;
inline void dglSetRenderPrimType(unsigned int type)
{
gGLState.primMode = type;
}
inline void dglClearPrimMetrics()
{
for(int i = 0; i < 4; i++)
gGLState.triCount[i] = gGLState.primCount[i] = 0;
}
inline bool dglDoesSupportPalettedTexture()
{
return gGLState.suppPalettedTexture && (gOpenGLDisablePT == false);
}
inline bool dglDoesSupportCompiledVertexArray()
{
return gGLState.suppLockedArrays && (gOpenGLDisableCVA == false);
}
inline bool dglDoesSupportTextureEnvCombine()
{
return gGLState.suppTextureEnvCombine && (gOpenGLDisableTEC == false);
}
inline bool dglDoesSupportARBMultitexture()
{
return gGLState.suppARBMultitexture && (gOpenGLDisableARBMT == false);
}
inline bool dglDoesSupportEXTBlendColor()
{
return gGLState.suppEXTblendcolor;
}
inline bool dglDoesSupportEXTBlendMinMax()
{
return gGLState.suppEXTblendminmax;
}
inline bool dglDoesSupportVertexArrayRange()
{
return gGLState.suppVertexArrayRange;
}
inline bool dglDoesSupportFogCoord()
{
return gGLState.suppFogCoord && (gOpenGLDisableFC == false);
}
inline bool dglDoesSupportEdgeClamp()
{
return gGLState.suppEdgeClamp;
}
inline bool dglDoesSupportTextureCompression()
{
return gGLState.suppTextureCompression && (gOpenGLDisableTCompress == false);
}
inline bool dglDoesSupportS3TC()
{
return gGLState.suppS3TC;
}
inline bool dglDoesSupportFXT1()
{
return gGLState.suppFXT1;
}
inline bool dglDoesSupportTexEnvAdd()
{
return gGLState.suppTexEnvAdd;
}
inline bool dglDoesSupportTexAnisotropy()
{
return gGLState.suppTexAnisotropic;
}
inline bool dglDoesSupportVertexBuffer()
{
return gGLState.suppVertexBuffer;
}
inline GLfloat dglGetMaxAnisotropy()
{
return gGLState.maxAnisotropy;
}
inline GLint dglGetMaxTextureUnits()
{
if (dglDoesSupportARBMultitexture())
return gGLState.maxTextureUnits;
else
return 1;
}
#ifdef __cplusplus
}
#endif
#endif