Initial commit

Torque/SDK/engine/platformWin32/platformGL.h

@@ -0,0 +1,178 @@
+//-----------------------------------------------------------------------------
+// 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;
+};
+
+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