| 1 | /* |
| 2 | Copyright (C) 2003 Rice1964 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU General Public License |
| 6 | as published by the Free Software Foundation; either version 2 |
| 7 | of the License, or (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef _OGLEXT_COMBINER_H_ |
| 20 | #define _OGLEXT_COMBINER_H_ |
| 21 | |
| 22 | #include <vector> |
| 23 | |
| 24 | #include "osal_opengl.h" |
| 25 | |
| 26 | #include "OGLCombiner.h" |
| 27 | #include "GeneralCombiner.h" |
| 28 | |
| 29 | typedef union |
| 30 | { |
| 31 | struct { |
| 32 | uint8 arg0; |
| 33 | uint8 arg1; |
| 34 | uint8 arg2; |
| 35 | }; |
| 36 | uint8 args[3]; |
| 37 | } OGLExt1CombType; |
| 38 | |
| 39 | typedef struct { |
| 40 | union { |
| 41 | struct { |
| 42 | GLenum rgbOp; |
| 43 | GLenum alphaOp; |
| 44 | }; |
| 45 | GLenum ops[2]; |
| 46 | }; |
| 47 | |
| 48 | union { |
| 49 | struct { |
| 50 | uint8 rgbArg0; |
| 51 | uint8 rgbArg1; |
| 52 | uint8 rgbArg2; |
| 53 | uint8 alphaArg0; |
| 54 | uint8 alphaArg1; |
| 55 | uint8 alphaArg2; |
| 56 | }; |
| 57 | struct { |
| 58 | OGLExt1CombType rgbComb; |
| 59 | OGLExt1CombType alphaComb; |
| 60 | }; |
| 61 | OGLExt1CombType Combs[2]; |
| 62 | }; |
| 63 | |
| 64 | union { |
| 65 | struct { |
| 66 | GLint rgbArg0gl; |
| 67 | GLint rgbArg1gl; |
| 68 | GLint rgbArg2gl; |
| 69 | }; |
| 70 | GLint glRGBArgs[3]; |
| 71 | }; |
| 72 | |
| 73 | union { |
| 74 | struct { |
| 75 | GLint rgbFlag0gl; |
| 76 | GLint rgbFlag1gl; |
| 77 | GLint rgbFlag2gl; |
| 78 | }; |
| 79 | GLint glRGBFlags[3]; |
| 80 | }; |
| 81 | |
| 82 | union { |
| 83 | struct { |
| 84 | GLint alphaArg0gl; |
| 85 | GLint alphaArg1gl; |
| 86 | GLint alphaArg2gl; |
| 87 | }; |
| 88 | GLint glAlphaArgs[3]; |
| 89 | }; |
| 90 | |
| 91 | union { |
| 92 | struct { |
| 93 | GLint alphaFlag0gl; |
| 94 | GLint alphaFlag1gl; |
| 95 | GLint alphaFlag2gl; |
| 96 | }; |
| 97 | GLint glAlphaFlags[3]; |
| 98 | }; |
| 99 | |
| 100 | int tex; |
| 101 | bool textureIsUsed; |
| 102 | //float scale; //Will not be used |
| 103 | } OGLExtCombinerType; |
| 104 | |
| 105 | typedef struct { |
| 106 | uint32 dwMux0; |
| 107 | uint32 dwMux1; |
| 108 | OGLExtCombinerType units[8]; |
| 109 | int numOfUnits; |
| 110 | uint32 constantColor; |
| 111 | |
| 112 | // For 1.4 v2 combiner |
| 113 | bool primIsUsed; |
| 114 | bool envIsUsed; |
| 115 | bool lodFracIsUsed; |
| 116 | } OGLExtCombinerSaveType; |
| 117 | |
| 118 | |
| 119 | //======================================================================== |
| 120 | // OpenGL 1.4 combiner which support Texture Crossbar feature |
| 121 | class COGLColorCombiner4 : public COGLColorCombiner |
| 122 | { |
| 123 | public: |
| 124 | bool Initialize(void); |
| 125 | protected: |
| 126 | friend class OGLDeviceBuilder; |
| 127 | void InitCombinerCycle12(void); |
| 128 | void InitCombinerCycleFill(void); |
| 129 | virtual void GenerateCombinerSetting(int index); |
| 130 | virtual void GenerateCombinerSettingConstants(int index); |
| 131 | virtual int ParseDecodedMux(); |
| 132 | |
| 133 | COGLColorCombiner4(CRender *pRender); |
| 134 | ~COGLColorCombiner4() {}; |
| 135 | |
| 136 | bool m_bOGLExtCombinerSupported; // Is this OGL extension combiner supported by the video card driver? |
| 137 | bool m_bSupportModAdd_ATI; |
| 138 | bool m_bSupportModSub_ATI; |
| 139 | GLint m_maxTexUnits; |
| 140 | int m_lastIndex; |
| 141 | uint32 m_dwLastMux0; |
| 142 | uint32 m_dwLastMux1; |
| 143 | |
| 144 | #ifdef DEBUGGER |
| 145 | void DisplaySimpleMuxString(void); |
| 146 | #endif |
| 147 | |
| 148 | protected: |
| 149 | virtual int SaveParsedResult(OGLExtCombinerSaveType &result); |
| 150 | static GLint MapRGBArgFlags(uint8 arg); |
| 151 | static GLint MapAlphaArgFlags(uint8 arg); |
| 152 | std::vector<OGLExtCombinerSaveType> m_vCompiledSettings; |
| 153 | static GLint RGBArgsMap4[]; |
| 154 | static const char* GetOpStr(GLenum op); |
| 155 | |
| 156 | private: |
| 157 | virtual int ParseDecodedMux2Units(); |
| 158 | virtual int FindCompiledMux(); |
| 159 | |
| 160 | virtual GLint MapRGBArgs(uint8 arg); |
| 161 | virtual GLint MapAlphaArgs(uint8 arg); |
| 162 | }; |
| 163 | |
| 164 | |
| 165 | class COGLColorCombiner4v2 : public COGLColorCombiner4 |
| 166 | { |
| 167 | /************************************************************************ |
| 168 | * Version 2 of OGL 1.4 combiner |
| 169 | * Will support up to 4 texture units |
| 170 | * Texture unit 0 and 1 are for N64 texture T0 and T1 |
| 171 | * Texture unit 2 and 3 will be used to map constant colors |
| 172 | * Constant color mapping: |
| 173 | * OGL constant factor: MUX_PRIM |
| 174 | * ARB_TEXTURE2: MUX_ENV |
| 175 | * ARB_TEXTURE3: MUX_LODFRAC |
| 176 | ************************************************************************/ |
| 177 | protected: |
| 178 | friend class OGLDeviceBuilder; |
| 179 | virtual void GenerateCombinerSettingConstants(int index); |
| 180 | virtual int SaveParsedResult(OGLExtCombinerSaveType &result); |
| 181 | |
| 182 | COGLColorCombiner4v2(CRender *pRender); |
| 183 | ~COGLColorCombiner4v2() {}; |
| 184 | |
| 185 | static GLint RGBArgsMap4v2[]; |
| 186 | |
| 187 | private: |
| 188 | virtual GLint MapRGBArgs(uint8 arg); |
| 189 | virtual GLint MapAlphaArgs(uint8 arg); |
| 190 | }; |
| 191 | |
| 192 | ////////////////////////////////////////////////////////////////////////// |
| 193 | // OpenGL 1.2, 1.3 combiner which does not support Texture Crossbar feature |
| 194 | class COGLColorCombiner2 : public COGLColorCombiner4, CGeneralCombiner |
| 195 | { |
| 196 | public: |
| 197 | bool Initialize(void); |
| 198 | |
| 199 | #ifdef DEBUGGER |
| 200 | void DisplaySimpleMuxString(void); |
| 201 | #endif |
| 202 | |
| 203 | protected: |
| 204 | friend class OGLDeviceBuilder; |
| 205 | |
| 206 | COGLColorCombiner2(CRender *pRender); |
| 207 | ~COGLColorCombiner2() {}; |
| 208 | |
| 209 | private: |
| 210 | virtual int ParseDecodedMux(); |
| 211 | virtual void GenerateCombinerSetting(int index); |
| 212 | virtual void GenerateCombinerSettingConstants(int index); |
| 213 | |
| 214 | virtual GLint MapRGBArgs(uint8 arg); |
| 215 | virtual GLint MapAlphaArgs(uint8 arg); |
| 216 | static GLint RGBArgsMap2[]; |
| 217 | }; |
| 218 | |
| 219 | |
| 220 | #endif |
| 221 | |