| 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 _GENERAL_COMBINER_H_ |
| 20 | #define _GENERAL_COMBINER_H_ |
| 21 | |
| 22 | #include <vector> |
| 23 | |
| 24 | #include "DecodedMux.h" |
| 25 | |
| 26 | class GeneralCombineStage |
| 27 | { |
| 28 | public: |
| 29 | StageOperate colorOp; |
| 30 | StageOperate alphaOp; |
| 31 | uint32 dwTexture; //Which texture to apply, 0 or 1 |
| 32 | bool bTextureUsed; |
| 33 | |
| 34 | BOOL operator!=(const GeneralCombineStage & cs) const { return !(operator==(cs)); } |
| 35 | BOOL operator==(const GeneralCombineStage & cs) const |
| 36 | { |
| 37 | return ( |
| 38 | cs.colorOp.Arg1 == colorOp.Arg1 && |
| 39 | cs.colorOp.Arg2 == colorOp.Arg2 && |
| 40 | cs.colorOp.Arg0 == colorOp.Arg0 && |
| 41 | cs.alphaOp.Arg1 == alphaOp.Arg1 && |
| 42 | cs.alphaOp.Arg2 == alphaOp.Arg2 && |
| 43 | cs.alphaOp.Arg0 == alphaOp.Arg0 && |
| 44 | cs.colorOp.op == colorOp.op && |
| 45 | cs.alphaOp.op == alphaOp.op && |
| 46 | cs.dwTexture == dwTexture&& |
| 47 | cs.bTextureUsed==bTextureUsed); |
| 48 | } |
| 49 | }; |
| 50 | |
| 51 | class GeneralCombinerInfo |
| 52 | { |
| 53 | public: |
| 54 | uint32 muxDWords[4]; // Simplified Mux |
| 55 | uint32 dwMux0; |
| 56 | uint32 dwMux1; |
| 57 | int nStages; |
| 58 | |
| 59 | BlendingFunc blendingFunc; |
| 60 | uint32 TFactor; |
| 61 | uint32 m_dwShadeColorChannelFlag; |
| 62 | uint32 m_dwShadeAlphaChannelFlag; |
| 63 | uint32 specularPostOp; |
| 64 | uint32 colorTextureFlag[2]; |
| 65 | |
| 66 | GeneralCombineStage stages[8]; |
| 67 | |
| 68 | bool bResultIsGoodWithinStages; |
| 69 | |
| 70 | BOOL operator!=(const GeneralCombinerInfo & sci) const { return !(operator==(sci)); } |
| 71 | BOOL operator==(const GeneralCombinerInfo & sci) const |
| 72 | { |
| 73 | int i; |
| 74 | |
| 75 | if (sci.nStages != nStages) |
| 76 | return FALSE; |
| 77 | if (sci.blendingFunc != blendingFunc) |
| 78 | return FALSE; |
| 79 | |
| 80 | for (i = 0; i < nStages; i++) |
| 81 | { |
| 82 | if (sci.stages[i] != stages[i]) |
| 83 | return FALSE; |
| 84 | } |
| 85 | |
| 86 | if( sci.TFactor != TFactor ) |
| 87 | return FALSE; |
| 88 | if( sci.specularPostOp != specularPostOp ) |
| 89 | return FALSE; |
| 90 | if( sci.m_dwShadeColorChannelFlag != m_dwShadeColorChannelFlag ) |
| 91 | return FALSE; |
| 92 | if( sci.m_dwShadeAlphaChannelFlag != m_dwShadeAlphaChannelFlag ) |
| 93 | return FALSE; |
| 94 | if( sci.colorTextureFlag[0] != colorTextureFlag[0] ) |
| 95 | return FALSE; |
| 96 | if( sci.colorTextureFlag[1] != colorTextureFlag[1] ) |
| 97 | return FALSE; |
| 98 | |
| 99 | return TRUE; |
| 100 | } |
| 101 | }; |
| 102 | |
| 103 | enum CombinerOp |
| 104 | { |
| 105 | CM_REPLACE, |
| 106 | CM_MODULATE, |
| 107 | CM_ADD, |
| 108 | CM_SUBTRACT, |
| 109 | CM_INTERPOLATE, // == LERP in DirectX, INTERPOLATE = OpenGL |
| 110 | |
| 111 | CM_ADDSMOOTH, // For DirectX only, for OpenGL, use INTERPOLATE |
| 112 | CM_BLENDCURRENTALPHA, // For DirectX only, for OpenGL, use INTERPOLATE |
| 113 | CM_BLENDDIFFUSEALPHA, // For DirectX only, for OpenGL, use INTERPOLATE |
| 114 | CM_BLENDFACTORALPHA, // For DirectX only, for OpenGL, use INTERPOLATE |
| 115 | CM_BLENDTEXTUREALPHA, // For DirectX only, for OpenGL, use INTERPOLATE |
| 116 | CM_MULTIPLYADD, // For DirectX only |
| 117 | }; |
| 118 | |
| 119 | #define CM_IGNORE 0 |
| 120 | #define CM_IGNORE_BYTE 0xFF |
| 121 | |
| 122 | /************************************************************************/ |
| 123 | /* This general combiner class is designed for general DirectX combiner */ |
| 124 | /* and OpenGL 1.2/1.3 combiner. Such combiners have the following */ |
| 125 | /* limitions and conditions: */ |
| 126 | /* */ |
| 127 | /* - Supporting at least 2 textures */ |
| 128 | /* - Supporting at least 2 combiner stages */ |
| 129 | /* - At each combiner stages, only 1 texture can be used */ |
| 130 | /* - Supporting only 1 constant color */ |
| 131 | /* - Supporting more or less texture combine operations, depending */ |
| 132 | /* on devices caps */ |
| 133 | /* */ |
| 134 | /* Before using this class, device caps boolean flags must be set */ |
| 135 | /* externally by owner of the class object (or a subclass object). */ |
| 136 | /* */ |
| 137 | /* */ |
| 138 | /************************************************************************/ |
| 139 | class CGeneralCombiner |
| 140 | { |
| 141 | protected: |
| 142 | CGeneralCombiner(); |
| 143 | |
| 144 | int FindCompiledMux(); |
| 145 | int ParseDecodedMux(); |
| 146 | void ParseDecodedMuxForConstants(GeneralCombinerInfo &res); |
| 147 | int SaveParserResult(GeneralCombinerInfo &result); |
| 148 | |
| 149 | int m_lastGeneralIndex; |
| 150 | DecodedMux **m_ppGeneralDecodedMux; |
| 151 | |
| 152 | /* |
| 153 | * Texture ops flags |
| 154 | */ |
| 155 | |
| 156 | bool m_bTxtOpAdd; |
| 157 | bool m_bTxtOpSub; |
| 158 | bool m_bTxtOpLerp; // LERP is for DirectX, INTERPOLATE is for OpenGL |
| 159 | |
| 160 | bool m_bTxtOpAddSmooth; // For DirectX only, for OpenGL, use INTERPOLATE |
| 161 | bool m_bTxtOpBlendCurAlpha; // For DirectX only, for OpenGL, use INTERPOLATE |
| 162 | bool m_bTxtOpBlendDifAlpha; // For DirectX only, for OpenGL, use INTERPOLATE |
| 163 | bool m_bTxtOpBlendFacAlpha; // For DirectX only, for OpenGL, use INTERPOLATE |
| 164 | bool m_bTxtOpBlendTxtAlpha; // For DirectX only, for OpenGL, use INTERPOLATE |
| 165 | bool m_bTxtOpMulAdd; // For DirectX only |
| 166 | |
| 167 | int m_dwGeneralMaxStages; |
| 168 | |
| 169 | std::vector<GeneralCombinerInfo> m_vCompiledCombinerStages; |
| 170 | |
| 171 | protected: |
| 172 | // combiner info generating functions |
| 173 | void GenCI_Init(GeneralCombinerInfo &ci); |
| 174 | void SkipStage(StageOperate &op, int &curStage); |
| 175 | void NextStage(int &curStage); |
| 176 | void Check1TxtrForAlpha(int curN64Stage, int &curStage, GeneralCombinerInfo &ci, int tex); |
| 177 | int Check2TxtrForAlpha(int curN64Stage, int &curStage, GeneralCombinerInfo &ci, int tex1, int tex2); |
| 178 | int CheckWhichTexToUseInThisStage(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 179 | |
| 180 | int GenCI_Type_D(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 181 | int GenCI_Type_A_MOD_C(int curN64Stage, int curStage, GeneralCombinerInfo &ci, uint32 dxop=CM_MODULATE); |
| 182 | int GenCI_Type_A_ADD_D(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 183 | int GenCI_Type_A_SUB_B(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 184 | int GenCI_Type_A_LERP_B_C(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 185 | int GenCI_Type_A_MOD_C_ADD_D(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 186 | int GenCI_Type_A_SUB_B_ADD_D(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 187 | int GenCI_Type_A_SUB_B_MOD_C(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 188 | int GenCI_Type_A_ADD_B_MOD_C(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 189 | int GenCI_Type_A_B_C_D(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 190 | int GenCI_Type_A_B_C_A(int curN64Stage, int curStage, GeneralCombinerInfo &ci); |
| 191 | |
| 192 | |
| 193 | // New functions, generate stages within the stage limition |
| 194 | // And return the number of stages used |
| 195 | // channel = 0 for color channel |
| 196 | // channel = 1 for alpha channel |
| 197 | // checktexture = true, need to use if texture matching in the stage |
| 198 | // checktexture = false, no check, just use any texture in the stage (since this stage hasn't been used) |
| 199 | int LM_GenCI_Type_D(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 200 | int LM_GenCI_Type_A_MOD_C(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci, uint32 dxop=CM_MODULATE); |
| 201 | int LM_GenCI_Type_A_ADD_D(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 202 | int LM_GenCI_Type_A_SUB_B(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 203 | int LM_GenCI_Type_A_LERP_B_C(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 204 | int LM_GenCI_Type_A_MOD_C_ADD_D(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 205 | int LM_GenCI_Type_A_SUB_B_ADD_D(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 206 | int LM_GenCI_Type_A_SUB_B_MOD_C(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 207 | int LM_GenCI_Type_A_ADD_B_MOD_C(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 208 | int LM_GenCI_Type_A_B_C_D(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 209 | int LM_GenCI_Type_A_B_C_A(N64CombinerType &m, int curStage, int limit, int channel, bool checktexture, GeneralCombinerInfo &ci); |
| 210 | void LM_GenCI_Init(GeneralCombinerInfo &ci); |
| 211 | int LM_ParseDecodedMux(); |
| 212 | bool LM_Check1TxtrForAlpha(int curStage, GeneralCombinerInfo &ci, uint32 val); |
| 213 | void LM_SkipStage(StageOperate &op); |
| 214 | |
| 215 | |
| 216 | bool IsTextureUsedInStage(GeneralCombineStage &stage); |
| 217 | |
| 218 | #ifdef DEBUGGER |
| 219 | void General_DisplayBlendingStageInfo(GeneralCombinerInfo &ci); |
| 220 | #endif |
| 221 | |
| 222 | }; |
| 223 | |
| 224 | #endif |
| 225 | |