191 lines
4.1 KiB
C++
Executable File
191 lines
4.1 KiB
C++
Executable File
//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _PLATFORMGL_H_
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#define _PLATFORMGL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GLAPI extern
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#define GLAPIENTRY
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#include "platformX86UNIX/gl_types.h"
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#define GL_FUNCTION(fn_return,fn_name,fn_args,fn_value) extern fn_return (*fn_name)fn_args;
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#include "platform/GLCoreFunc.h"
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#include "platform/GLExtFunc.h"
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#undef GL_FUNCTION
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// GLU functions are linked at compile time, except in the dedicated server build
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#ifndef DEDICATED
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#define GL_FUNCTION(fn_return,fn_name,fn_args,fn_value) fn_return fn_name fn_args;
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#else
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#define GL_FUNCTION(fn_return,fn_name,fn_args,fn_value) extern fn_return (*fn_name)fn_args;
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#endif
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#include "platform/GLUFunc.h"
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#undef GL_FUNCTION
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namespace GLLoader
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{
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bool OpenGLInit();
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void OpenGLShutdown();
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bool OpenGLDLLInit();
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void OpenGLDLLShutdown();
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}
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/*
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* GL state information.
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*/
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struct GLState
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{
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bool suppARBMultitexture;
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bool suppEXTblendcolor;
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bool suppEXTblendminmax;
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bool suppPackedPixels;
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bool suppTexEnvAdd;
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bool suppLockedArrays;
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bool suppTextureEnvCombine;
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bool suppVertexArrayRange;
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bool suppFogCoord;
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bool suppEdgeClamp;
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bool suppTextureCompression;
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bool suppS3TC;
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bool suppFXT1;
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bool suppTexAnisotropic;
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bool suppPalettedTexture;
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bool suppVertexBuffer;
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bool suppSwapInterval;
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unsigned int triCount[4];
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unsigned int primCount[4];
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unsigned int primMode; // 0-3
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GLfloat maxAnisotropy;
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GLint maxTextureUnits;
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bool isDirect3D;
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};
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extern GLState gGLState;
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extern bool gOpenGLDisablePT;
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extern bool gOpenGLDisableCVA;
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extern bool gOpenGLDisableTEC;
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extern bool gOpenGLDisableARBMT;
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extern bool gOpenGLDisableFC;
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extern bool gOpenGLDisableTCompress;
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extern bool gOpenGLNoEnvColor;
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extern float gOpenGLGammaCorrection;
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extern bool gOpenGLNoDrawArraysAlpha;
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inline void dglSetRenderPrimType(unsigned int type)
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{
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gGLState.primMode = type;
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}
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inline void dglClearPrimMetrics()
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{
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for(int i = 0; i < 4; i++)
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gGLState.triCount[i] = gGLState.primCount[i] = 0;
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}
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inline bool dglDoesSupportPalettedTexture()
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{
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return gGLState.suppPalettedTexture && (gOpenGLDisablePT == false);
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}
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inline bool dglDoesSupportCompiledVertexArray()
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{
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return gGLState.suppLockedArrays && (gOpenGLDisableCVA == false);
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}
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inline bool dglDoesSupportTextureEnvCombine()
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{
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return gGLState.suppTextureEnvCombine && (gOpenGLDisableTEC == false);
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}
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inline bool dglDoesSupportARBMultitexture()
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{
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return gGLState.suppARBMultitexture && (gOpenGLDisableARBMT == false);
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}
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inline bool dglDoesSupportEXTBlendColor()
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{
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return gGLState.suppEXTblendcolor;
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}
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inline bool dglDoesSupportEXTBlendMinMax()
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{
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return gGLState.suppEXTblendminmax;
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}
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inline bool dglDoesSupportVertexArrayRange()
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{
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return gGLState.suppVertexArrayRange;
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}
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inline bool dglDoesSupportFogCoord()
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{
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return gGLState.suppFogCoord && (gOpenGLDisableFC == false);
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}
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inline bool dglDoesSupportEdgeClamp()
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{
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return gGLState.suppEdgeClamp;
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}
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inline bool dglDoesSupportTextureCompression()
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{
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return gGLState.suppTextureCompression && (gOpenGLDisableTCompress == false);
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}
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inline bool dglDoesSupportS3TC()
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{
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return gGLState.suppS3TC;
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}
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inline bool dglDoesSupportFXT1()
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{
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return gGLState.suppFXT1;
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}
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inline bool dglDoesSupportTexEnvAdd()
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{
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return gGLState.suppTexEnvAdd;
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}
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inline bool dglDoesSupportTexAnisotropy()
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{
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return gGLState.suppTexAnisotropic;
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}
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inline bool dglDoesSupportVertexBuffer()
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{
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return gGLState.suppVertexBuffer;
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}
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inline GLfloat dglGetMaxAnisotropy()
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{
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return gGLState.maxAnisotropy;
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}
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inline GLint dglGetMaxTextureUnits()
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{
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if (dglDoesSupportARBMultitexture())
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return gGLState.maxTextureUnits;
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else
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return 1;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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