| 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 _OGL_COMBINER_NV_H_ |
| 20 | #define _OGL_COMBINER_NV_H_ |
| 21 | |
| 22 | #include <vector> |
| 23 | |
| 24 | #include <SDL_opengl.h> |
| 25 | |
| 26 | #include "OGLExtCombiner.h" |
| 27 | #include "OGLDecodedMux.h" |
| 28 | |
| 29 | typedef struct { |
| 30 | uint8 a; |
| 31 | uint8 b; |
| 32 | uint8 c; |
| 33 | uint8 d; |
| 34 | } NVGeneralCombinerType; |
| 35 | |
| 36 | typedef struct { |
| 37 | uint8 a; |
| 38 | uint8 b; |
| 39 | uint8 c; |
| 40 | uint8 d; |
| 41 | uint8 e; |
| 42 | uint8 f; |
| 43 | uint8 g; |
| 44 | } NVFinalCombinerType; |
| 45 | |
| 46 | typedef struct { |
| 47 | GLenum variable; |
| 48 | GLenum input; |
| 49 | GLenum mapping; |
| 50 | GLenum componentUsage; |
| 51 | } NVCombinerInputType; |
| 52 | |
| 53 | typedef struct { |
| 54 | GLenum abOutput; |
| 55 | GLenum cdOutput; |
| 56 | GLenum sumOutput; |
| 57 | GLenum scale; |
| 58 | GLenum bias; |
| 59 | GLboolean abDotProduct; |
| 60 | GLboolean cdDotProduct; |
| 61 | GLboolean muxSum; |
| 62 | } NVCombinerOutputType; |
| 63 | |
| 64 | |
| 65 | typedef struct { |
| 66 | union { |
| 67 | struct { |
| 68 | NVGeneralCombinerType s1rgb; |
| 69 | NVGeneralCombinerType s1alpha; |
| 70 | NVGeneralCombinerType s2rgb; |
| 71 | NVGeneralCombinerType s2alpha; |
| 72 | NVFinalCombinerType finalrgb; |
| 73 | NVFinalCombinerType finalalpha; |
| 74 | }; |
| 75 | struct { |
| 76 | NVGeneralCombinerType generalCombiners[4]; |
| 77 | NVFinalCombinerType finalCombiners[2]; |
| 78 | }; |
| 79 | }; |
| 80 | int stagesUsed; |
| 81 | uint8 constant0; |
| 82 | uint8 constant1; |
| 83 | } NVRegisterCombinerParserType; |
| 84 | |
| 85 | typedef struct { |
| 86 | NVCombinerInputType stage1RGB[4]; |
| 87 | NVCombinerInputType stage1Alpha[4]; |
| 88 | NVCombinerOutputType stage1outputRGB; |
| 89 | NVCombinerOutputType stage1outputAlpha; |
| 90 | |
| 91 | NVCombinerInputType stage2RGB[4]; |
| 92 | NVCombinerInputType stage2Alpha[4]; |
| 93 | NVCombinerOutputType stage2outputRGB; |
| 94 | NVCombinerOutputType stage2outputAlpha; |
| 95 | |
| 96 | NVCombinerInputType finalStage[7]; |
| 97 | |
| 98 | int numOfStages; |
| 99 | |
| 100 | uint32 dwMux0; |
| 101 | uint32 dwMux1; |
| 102 | |
| 103 | uint8 constant0; |
| 104 | uint8 constant1; |
| 105 | #ifdef DEBUGGER |
| 106 | NVRegisterCombinerParserType parseResult; |
| 107 | #endif |
| 108 | } NVRegisterCombinerSettingType; |
| 109 | |
| 110 | class COGLColorCombinerNvidia : public COGLColorCombiner4 |
| 111 | { |
| 112 | public: |
| 113 | bool Initialize(void); |
| 114 | void InitCombinerBlenderForSimpleTextureDraw(uint32 tile=0); |
| 115 | protected: |
| 116 | friend class OGLDeviceBuilder; |
| 117 | |
| 118 | void InitCombinerCycle12(void); |
| 119 | void DisableCombiner(void); |
| 120 | void InitCombinerCycleCopy(void); |
| 121 | void InitCombinerCycleFill(void); |
| 122 | |
| 123 | |
| 124 | int FindCompiledMux(void); |
| 125 | void GenerateNVRegisterCombinerSetting(int); |
| 126 | void GenerateNVRegisterCombinerSettingConstants(int); // Compile the decodedMux into NV register combiner setting |
| 127 | void ApplyFogAtFinalStage(); |
| 128 | |
| 129 | void ParseDecodedMux(NVRegisterCombinerParserType &result); // Compile the decodedMux into NV register combiner setting |
| 130 | void ParseDecodedMuxForConstant(NVRegisterCombinerParserType &result); // Compile the decodedMux into NV register combiner setting |
| 131 | int SaveParserResult(const NVRegisterCombinerParserType &result); |
| 132 | |
| 133 | int StagesNeedToUse(COGLDecodedMux &mux, N64StageNumberType stage); |
| 134 | int Parse1Mux(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res); // Compile the decodedMux into NV register combiner setting |
| 135 | int Parse1Mux2Stages(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVGeneralCombinerType &res2); |
| 136 | int Parse1MuxForStage2AndFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVFinalCombinerType &fres); |
| 137 | void Parse1MuxForFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVFinalCombinerType &fres); |
| 138 | void ByPassFinalStage(NVFinalCombinerType &fres); |
| 139 | void ByPassGeneralStage(NVGeneralCombinerType &res); |
| 140 | |
| 141 | GLenum ConstMap(uint8 c); |
| 142 | |
| 143 | COGLColorCombinerNvidia(CRender *pRender); |
| 144 | ~COGLColorCombinerNvidia(); |
| 145 | |
| 146 | std::vector<NVRegisterCombinerSettingType> m_vCompiledSettings; |
| 147 | |
| 148 | bool m_bNVSupported; // Is this NV OGL extension combiner supported by the video card driver? |
| 149 | |
| 150 | #ifdef DEBUGGER |
| 151 | void DisplaySimpleMuxString(void); |
| 152 | void DisplayNVCombinerString(NVRegisterCombinerSettingType &record); |
| 153 | #endif |
| 154 | |
| 155 | }; |
| 156 | |
| 157 | #endif |
| 158 | |