| 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 | #include "OGLExtensions.h" |
| 20 | |
| 21 | #include "OGLCombinerTNT2.h" |
| 22 | #include "OGLRender.h" |
| 23 | #include "OGLGraphicsContext.h" |
| 24 | #include "OGLTexture.h" |
| 25 | |
| 26 | //======================================================================== |
| 27 | COGLColorCombinerTNT2::COGLColorCombinerTNT2(CRender *pRender) |
| 28 | :COGLColorCombiner4(pRender) |
| 29 | { |
| 30 | m_bTNT2Supported=false; |
| 31 | delete m_pDecodedMux; |
| 32 | m_pDecodedMux = new COGLDecodedMux; |
| 33 | m_ppDecodedMux = &m_pDecodedMux; |
| 34 | } |
| 35 | |
| 36 | |
| 37 | bool COGLColorCombinerTNT2::Initialize(void) |
| 38 | { |
| 39 | m_bTNT2Supported = false; |
| 40 | |
| 41 | if( COGLColorCombiner4::Initialize() ) |
| 42 | { |
| 43 | m_bSupportMultiTexture = true; |
| 44 | COGLGraphicsContext *pcontext = (COGLGraphicsContext *)(CGraphicsContext::g_pGraphicsContext); |
| 45 | if( pcontext->IsExtensionSupported("GL_NV_texture_env_combine4") ) |
| 46 | { |
| 47 | m_bTNT2Supported = true; |
| 48 | } |
| 49 | else |
| 50 | { |
| 51 | DebugMessage(M64MSG_ERROR, "Your video card does not support OpenGL TNT2 extension combiner, you can only use the OpenGL Ext combiner functions"); |
| 52 | } |
| 53 | return true; |
| 54 | } |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | //======================================================================== |
| 59 | |
| 60 | void COGLColorCombinerTNT2::InitCombinerCycle12(void) |
| 61 | { |
| 62 | if( !m_bOGLExtCombinerSupported ) { COGLColorCombiner4::InitCombinerCycle12(); return;} |
| 63 | |
| 64 | #ifdef DEBUGGER |
| 65 | if( debuggerDropCombiners ) |
| 66 | { |
| 67 | m_vCompiledTNTSettings.clear(); |
| 68 | m_dwLastMux0 = m_dwLastMux1 = 0; |
| 69 | debuggerDropCombiners = false; |
| 70 | } |
| 71 | #endif |
| 72 | |
| 73 | m_pOGLRender->EnableMultiTexture(); |
| 74 | |
| 75 | bool combinerIsChanged = false; |
| 76 | |
| 77 | if( m_pDecodedMux->m_dwMux0 != m_dwLastMux0 || m_pDecodedMux->m_dwMux1 != m_dwLastMux1 || m_lastIndex < 0 ) |
| 78 | { |
| 79 | combinerIsChanged = true; |
| 80 | m_lastIndex = CNvTNTCombiner::FindCompiledMux(); |
| 81 | if( m_lastIndex < 0 ) // Can not found |
| 82 | { |
| 83 | m_lastIndex = CNvTNTCombiner::ParseDecodedMux(); |
| 84 | } |
| 85 | m_dwLastMux0 = m_pDecodedMux->m_dwMux0; |
| 86 | m_dwLastMux1 = m_pDecodedMux->m_dwMux1; |
| 87 | } |
| 88 | |
| 89 | m_pOGLRender->SetAllTexelRepeatFlag(); |
| 90 | |
| 91 | if( m_bCycleChanged || combinerIsChanged || gRDP.texturesAreReloaded || gRDP.colorsAreReloaded ) |
| 92 | { |
| 93 | gRDP.texturesAreReloaded = false; |
| 94 | |
| 95 | if( m_bCycleChanged || combinerIsChanged ) |
| 96 | { |
| 97 | GenerateCombinerSettingConstants(m_lastIndex); |
| 98 | GenerateCombinerSetting(m_lastIndex); |
| 99 | } |
| 100 | else if( gRDP.colorsAreReloaded ) |
| 101 | { |
| 102 | GenerateCombinerSettingConstants(m_lastIndex); |
| 103 | } |
| 104 | |
| 105 | gRDP.colorsAreReloaded = false; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | const char* COGLColorCombinerTNT2::GetOpStr(GLenum op) |
| 110 | { |
| 111 | switch( op ) |
| 112 | { |
| 113 | case GL_ADD: |
| 114 | return "MOD"; |
| 115 | default: |
| 116 | return "ADD_SIGNED"; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | |
| 121 | #ifdef DEBUGGER |
| 122 | void COGLColorCombinerTNT2::DisplaySimpleMuxString(void) |
| 123 | { |
| 124 | COGLColorCombiner::DisplaySimpleMuxString(); |
| 125 | CNvTNTCombiner::DisplaySimpleMuxString(); |
| 126 | } |
| 127 | #endif |
| 128 | |
| 129 | //======================================================================== |
| 130 | |
| 131 | GLint COGLColorCombinerTNT2::RGBArgsMap[] = |
| 132 | { |
| 133 | GL_ZERO, //MUX_0 |
| 134 | GL_ZERO, //MUX_1 |
| 135 | GL_PREVIOUS_EXT, //MUX_COMBINED, |
| 136 | GL_TEXTURE0_ARB, //MUX_TEXEL0, |
| 137 | GL_TEXTURE1_ARB, //MUX_TEXEL1, |
| 138 | GL_CONSTANT_EXT, //MUX_PRIM, |
| 139 | GL_PRIMARY_COLOR_EXT, //MUX_SHADE, |
| 140 | GL_CONSTANT_EXT, //MUX_ENV, |
| 141 | GL_PREVIOUS_EXT, //MUX_COMBALPHA, |
| 142 | GL_TEXTURE0_ARB, //MUX_T0_ALPHA, |
| 143 | GL_TEXTURE1_ARB, //MUX_T1_ALPHA, |
| 144 | GL_CONSTANT_EXT, //MUX_PRIM_ALPHA, |
| 145 | GL_PRIMARY_COLOR_EXT, //MUX_SHADE_ALPHA, |
| 146 | GL_CONSTANT_EXT, //MUX_ENV_ALPHA, |
| 147 | GL_CONSTANT_EXT, //MUX_LODFRAC, |
| 148 | GL_CONSTANT_EXT, //MUX_PRIMLODFRAC, |
| 149 | GL_ZERO, //MUX_K5 |
| 150 | GL_ZERO //MUX_UNK |
| 151 | }; |
| 152 | |
| 153 | |
| 154 | //======================================================================== |
| 155 | |
| 156 | GLint COGLColorCombinerTNT2::MapRGBArgs(uint8 arg) |
| 157 | { |
| 158 | return RGBArgsMap[arg&MUX_MASK]; |
| 159 | } |
| 160 | |
| 161 | GLint COGLColorCombinerTNT2::MapRGBArgFlags(uint8 arg) |
| 162 | { |
| 163 | if( (arg & MUX_ALPHAREPLICATE) && (arg & MUX_COMPLEMENT) ) |
| 164 | { |
| 165 | return GL_ONE_MINUS_SRC_ALPHA; |
| 166 | } |
| 167 | else if( (arg & MUX_ALPHAREPLICATE) ) |
| 168 | { |
| 169 | if( arg == MUX_1 ) |
| 170 | return GL_ONE_MINUS_SRC_ALPHA; |
| 171 | else |
| 172 | return GL_SRC_ALPHA; |
| 173 | } |
| 174 | else if(arg & MUX_COMPLEMENT || arg == MUX_1) |
| 175 | { |
| 176 | return GL_ONE_MINUS_SRC_COLOR; |
| 177 | } |
| 178 | else |
| 179 | return GL_SRC_COLOR; |
| 180 | } |
| 181 | |
| 182 | GLint COGLColorCombinerTNT2::MapAlphaArgs(uint8 arg) |
| 183 | { |
| 184 | return RGBArgsMap[arg&MUX_MASK]; |
| 185 | } |
| 186 | |
| 187 | GLint COGLColorCombinerTNT2::MapAlphaArgFlags(uint8 arg) |
| 188 | { |
| 189 | if(arg & MUX_COMPLEMENT || arg == MUX_1) |
| 190 | { |
| 191 | return GL_ONE_MINUS_SRC_ALPHA; |
| 192 | } |
| 193 | else |
| 194 | return GL_SRC_ALPHA; |
| 195 | } |
| 196 | |
| 197 | //======================================================================== |
| 198 | |
| 199 | void COGLColorCombinerTNT2::GenerateCombinerSetting(int index) |
| 200 | { |
| 201 | TNT2CombinerSaveType &res = m_vCompiledTNTSettings[index]; |
| 202 | |
| 203 | // Texture unit 0 |
| 204 | COGLTexture* pTexture = g_textures[gRSP.curTile].m_pCOGLTexture; |
| 205 | COGLTexture* pTexture1 = g_textures[(gRSP.curTile+1)&7].m_pCOGLTexture; |
| 206 | |
| 207 | if( pTexture ) m_pOGLRender->BindTexture(pTexture->m_dwTextureName, 0); |
| 208 | if( pTexture1 ) m_pOGLRender->BindTexture(pTexture1->m_dwTextureName, 1); |
| 209 | |
| 210 | // Texture unit 0 |
| 211 | pglActiveTexture(GL_TEXTURE0_ARB); |
| 212 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV); |
| 213 | m_pOGLRender->EnableTexUnit(0,TRUE); |
| 214 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, res.unit1.rgbOp); |
| 215 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, res.unit1.alphaOp); |
| 216 | |
| 217 | if( res.unit1.rgbOp == GL_SUBTRACT_ARB ) |
| 218 | { |
| 219 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit1.rgbArg0^MUX_COMPLEMENT)); |
| 220 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg0^MUX_COMPLEMENT)); |
| 221 | } |
| 222 | else |
| 223 | { |
| 224 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit1.rgbArg0)); |
| 225 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg0)); |
| 226 | } |
| 227 | |
| 228 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, MapRGBArgs(res.unit1.rgbArg1)); |
| 229 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg1)); |
| 230 | |
| 231 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, MapRGBArgs(res.unit1.rgbArg2)); |
| 232 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg2)); |
| 233 | |
| 234 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_EXT, MapRGBArgs(res.unit1.rgbArg3)); |
| 235 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_EXT, MapRGBArgFlags(res.unit1.rgbArg3)); |
| 236 | |
| 237 | if( res.unit1.alphaOp == GL_SUBTRACT_ARB ) |
| 238 | { |
| 239 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg0^MUX_COMPLEMENT)); |
| 240 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg0^MUX_COMPLEMENT)); |
| 241 | } |
| 242 | else |
| 243 | { |
| 244 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg0)); |
| 245 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg0)); |
| 246 | } |
| 247 | |
| 248 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg1)); |
| 249 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg1)); |
| 250 | |
| 251 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg2)); |
| 252 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg2)); |
| 253 | |
| 254 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_EXT, MapRGBArgs(res.unit1.rgbArg3)); |
| 255 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_EXT, MapAlphaArgFlags(res.unit1.rgbArg3)); |
| 256 | |
| 257 | pglActiveTexture(GL_TEXTURE1_ARB); |
| 258 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV); |
| 259 | |
| 260 | if( m_maxTexUnits > 1 && res.numOfUnits > 1 ) |
| 261 | { |
| 262 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, res.unit2.rgbOp); |
| 263 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, res.unit2.alphaOp); |
| 264 | |
| 265 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit2.rgbArg0)); |
| 266 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg0)); |
| 267 | |
| 268 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, MapRGBArgs(res.unit2.rgbArg1)); |
| 269 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg1)); |
| 270 | |
| 271 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, MapRGBArgs(res.unit2.rgbArg2)); |
| 272 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg2)); |
| 273 | |
| 274 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_EXT, MapRGBArgs(res.unit2.rgbArg3)); |
| 275 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_EXT, MapRGBArgFlags(res.unit2.rgbArg3)); |
| 276 | |
| 277 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg0)); |
| 278 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg0)); |
| 279 | |
| 280 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg1)); |
| 281 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg1)); |
| 282 | |
| 283 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg2)); |
| 284 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg2)); |
| 285 | |
| 286 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_EXT, MapRGBArgs(res.unit2.alphaArg3)); |
| 287 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_EXT, MapAlphaArgFlags(res.unit2.alphaArg3)); |
| 288 | |
| 289 | m_pOGLRender->EnableTexUnit(1,TRUE); |
| 290 | } |
| 291 | else |
| 292 | { |
| 293 | //m_pOGLRender->EnableTexUnit(1,FALSE); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | void COGLColorCombinerTNT2::GenerateCombinerSettingConstants(int index) |
| 298 | { |
| 299 | TNT2CombinerSaveType &res = m_vCompiledTNTSettings[index]; |
| 300 | for( int i=0; i<2; i++ ) |
| 301 | { |
| 302 | float *fv; |
| 303 | pglActiveTextureARB(GL_TEXTURE0_ARB+i); |
| 304 | switch( res.units[i].constant & MUX_MASK ) |
| 305 | { |
| 306 | case MUX_PRIM: |
| 307 | fv = GetPrimitiveColorfv(); |
| 308 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,fv); |
| 309 | break; |
| 310 | case MUX_ENV: |
| 311 | fv = GetEnvColorfv(); |
| 312 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,fv); |
| 313 | break; |
| 314 | case MUX_LODFRAC: |
| 315 | { |
| 316 | float frac = gRDP.LODFrac / 255.0f; |
| 317 | float tempf[4] = {frac,frac,frac,frac}; |
| 318 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,tempf); |
| 319 | break; |
| 320 | } |
| 321 | case MUX_PRIMLODFRAC: |
| 322 | { |
| 323 | float frac = gRDP.primLODFrac / 255.0f; |
| 324 | float tempf[4] = {frac,frac,frac,frac}; |
| 325 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,tempf); |
| 326 | break; |
| 327 | } |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | |