| 1 | /* |
| 2 | Copyright (C) 2002 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 | |
| 20 | #include "Combiner.h" |
| 21 | #include "Config.h" |
| 22 | #include "RenderBase.h" |
| 23 | |
| 24 | //static BOOL g_bHiliteRGBAHack = FALSE; |
| 25 | |
| 26 | |
| 27 | #ifdef DEBUGGER |
| 28 | const char *constStrs[] = { |
| 29 | "MUX_0", |
| 30 | "MUX_1", |
| 31 | "MUX_COMBINED", |
| 32 | "MUX_TEXEL0", |
| 33 | "MUX_TEXEL1", |
| 34 | "MUX_PRIM", |
| 35 | "MUX_SHADE", |
| 36 | "MUX_ENV", |
| 37 | "MUX_COMBALPHA", |
| 38 | "MUX_T0_ALPHA", |
| 39 | "MUX_T1_ALPHA", |
| 40 | "MUX_PRIM_ALPHA", |
| 41 | "MUX_SHADE_ALPHA", |
| 42 | "MUX_ENV_ALPHA", |
| 43 | "MUX_LODFRAC", |
| 44 | "MUX_PRIMLODFRAC", |
| 45 | "MUX_K5", |
| 46 | "MUX_UNK", |
| 47 | }; |
| 48 | |
| 49 | const char *cycleTypeStrs[] = { |
| 50 | "1 Cycle", |
| 51 | "2 Cycle", |
| 52 | "Copy Mode", |
| 53 | "Fill Mode" |
| 54 | }; |
| 55 | |
| 56 | const char* constStr(uint32 op) |
| 57 | { |
| 58 | if(op<=MUX_UNK) |
| 59 | return constStrs[op]; |
| 60 | else |
| 61 | return "Invalid-Const"; |
| 62 | } |
| 63 | #endif |
| 64 | |
| 65 | void swap(uint8 &a, uint8 &b) |
| 66 | { |
| 67 | uint8 c=a; |
| 68 | a=b; |
| 69 | b=c; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | //======================================================================== |
| 74 | |
| 75 | //======================================================================== |
| 76 | |
| 77 | inline IColor GetIColor(uint8 flag, uint32 curCol) |
| 78 | { |
| 79 | IColor newc; |
| 80 | switch(flag&MUX_MASK) |
| 81 | { |
| 82 | case MUX_0: |
| 83 | newc = 0; |
| 84 | break; |
| 85 | case MUX_1: |
| 86 | newc = 0xFFFFFFFF; |
| 87 | break; |
| 88 | case MUX_PRIM: |
| 89 | newc = gRDP.primitiveColor; |
| 90 | break; |
| 91 | case MUX_ENV: |
| 92 | newc = gRDP.envColor; |
| 93 | break; |
| 94 | case MUX_COMBINED: |
| 95 | case MUX_SHADE: |
| 96 | newc = curCol; |
| 97 | break; |
| 98 | case MUX_K5: |
| 99 | newc = 0xFFFFFFFF; |
| 100 | break; |
| 101 | case MUX_UNK: |
| 102 | newc = curCol; |
| 103 | if( options.enableHackForGames == HACK_FOR_CONKER ) |
| 104 | newc = 0xFFFFFFFF; |
| 105 | break; |
| 106 | default: |
| 107 | newc = curCol; |
| 108 | break; |
| 109 | } |
| 110 | |
| 111 | if( flag&MUX_COMPLEMENT ) |
| 112 | { |
| 113 | newc.Complement(); |
| 114 | } |
| 115 | |
| 116 | if( flag&MUX_ALPHAREPLICATE ) |
| 117 | { |
| 118 | newc.AlphaReplicate(); |
| 119 | } |
| 120 | |
| 121 | return newc; |
| 122 | } |
| 123 | |
| 124 | COLOR CalculateConstFactor(uint32 colorOp, uint32 alphaOp, uint32 curCol) |
| 125 | { |
| 126 | N64CombinerType m; |
| 127 | IColor color(curCol); |
| 128 | IColor alpha(curCol); |
| 129 | |
| 130 | // For color channel |
| 131 | *(uint32*)&m = colorOp; |
| 132 | if( m.c != MUX_0 && m.a!=m.b) |
| 133 | { |
| 134 | if( m.a != MUX_0 ) color = GetIColor(m.a, curCol); |
| 135 | if( m.b != MUX_0 ) color -= GetIColor(m.b, curCol); |
| 136 | if( m.c != MUX_1 ) color *= GetIColor(m.c, curCol); |
| 137 | } |
| 138 | if( m.d != MUX_0 ) color += GetIColor(m.d, curCol); |
| 139 | |
| 140 | // For alpha channel |
| 141 | *(uint32*)&m = alphaOp; |
| 142 | if( m.c != MUX_0 && m.a!=m.b) |
| 143 | { |
| 144 | if( m.a != MUX_0 ) alpha = GetIColor(m.a, curCol); |
| 145 | if( m.b != MUX_0 ) alpha -= GetIColor(m.b, curCol); |
| 146 | if( m.c != MUX_1 ) alpha *= GetIColor(m.c, curCol); |
| 147 | } |
| 148 | if( m.d != MUX_0 ) alpha += GetIColor(m.d, curCol); |
| 149 | |
| 150 | return (COLOR)(((uint32)color&0x00FFFFFF)|((uint32)alpha&0xFF000000)); |
| 151 | } |
| 152 | |
| 153 | |
| 154 | COLOR CColorCombiner::GetConstFactor(uint32 colorFlag, uint32 alphaFlag, uint32 defaultColor) |
| 155 | { |
| 156 | // Allows a combine mode to select what TFACTOR should be |
| 157 | uint32 color = defaultColor; |
| 158 | uint32 alpha = defaultColor; |
| 159 | |
| 160 | switch (colorFlag&MUX_MASK) |
| 161 | { |
| 162 | case MUX_0: |
| 163 | break; |
| 164 | case MUX_FORCE_0: |
| 165 | color = 0; |
| 166 | break; |
| 167 | case MUX_1: |
| 168 | color = 0xFFFFFFFF; |
| 169 | break; |
| 170 | case MUX_PRIM: |
| 171 | color = gRDP.primitiveColor; |
| 172 | break; |
| 173 | case MUX_ENV: |
| 174 | color = gRDP.envColor; |
| 175 | break; |
| 176 | case MUX_LODFRAC: |
| 177 | color = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac); |
| 178 | break; |
| 179 | case MUX_PRIMLODFRAC: |
| 180 | color = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac); |
| 181 | break; |
| 182 | case MUX_PRIM_ALPHA: |
| 183 | { |
| 184 | IColor col(gRDP.primitiveColor); |
| 185 | col.AlphaReplicate(); |
| 186 | color = (COLOR)col; |
| 187 | } |
| 188 | break; |
| 189 | case MUX_ENV_ALPHA: |
| 190 | { |
| 191 | IColor col(gRDP.envColor); |
| 192 | col.AlphaReplicate(); |
| 193 | color = (COLOR)col; |
| 194 | } |
| 195 | break; |
| 196 | case MUX_K5: |
| 197 | color = 0xFFFFFFFF; |
| 198 | break; |
| 199 | case MUX_UNK: |
| 200 | color = defaultColor; |
| 201 | if( options.enableHackForGames == HACK_FOR_CONKER ) color = 0xFFFFFFFF; |
| 202 | break; |
| 203 | default: |
| 204 | color = defaultColor; |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | if( colorFlag & MUX_COMPLEMENT ) |
| 209 | { |
| 210 | color = 0xFFFFFFFF - color; |
| 211 | } |
| 212 | if( colorFlag & MUX_ALPHAREPLICATE ) |
| 213 | { |
| 214 | color = color>>24; |
| 215 | color = color | (color<<8) | (color <<16) | (color<<24); |
| 216 | } |
| 217 | |
| 218 | color &= 0x00FFFFFF; // For color channel only, not the alpha channel |
| 219 | |
| 220 | |
| 221 | switch (alphaFlag&MUX_MASK) |
| 222 | { |
| 223 | case MUX_0: |
| 224 | break; |
| 225 | case MUX_FORCE_0: |
| 226 | alpha = 0; |
| 227 | break; |
| 228 | case MUX_1: |
| 229 | alpha = 0xFFFFFFFF; |
| 230 | break; |
| 231 | case MUX_PRIM: |
| 232 | alpha = gRDP.primitiveColor; |
| 233 | break; |
| 234 | case MUX_ENV: |
| 235 | alpha = gRDP.envColor; |
| 236 | break; |
| 237 | case MUX_LODFRAC: |
| 238 | alpha = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac); |
| 239 | break; |
| 240 | case MUX_PRIMLODFRAC: |
| 241 | alpha = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac); |
| 242 | break; |
| 243 | case MUX_PRIM_ALPHA: |
| 244 | { |
| 245 | IColor col(gRDP.primitiveColor); |
| 246 | col.AlphaReplicate(); |
| 247 | alpha = (COLOR)col; |
| 248 | } |
| 249 | break; |
| 250 | case MUX_ENV_ALPHA: |
| 251 | { |
| 252 | IColor col(gRDP.envColor); |
| 253 | col.AlphaReplicate(); |
| 254 | alpha = (COLOR)col; |
| 255 | } |
| 256 | break; |
| 257 | default: |
| 258 | alpha = defaultColor; |
| 259 | break; |
| 260 | } |
| 261 | |
| 262 | if( alphaFlag & MUX_COMPLEMENT ) |
| 263 | { |
| 264 | alpha = 0xFFFFFFFF - alpha; |
| 265 | } |
| 266 | |
| 267 | alpha &= 0xFF000000; |
| 268 | |
| 269 | return (color|alpha); |
| 270 | } |
| 271 | |
| 272 | //***************************************************************************** |
| 273 | // |
| 274 | //***************************************************************************** |
| 275 | bool gUsingPrimColour = false; |
| 276 | bool gUsingEnvColour = false; |
| 277 | |
| 278 | int CountTexel1Cycle(N64CombinerType &m) |
| 279 | { |
| 280 | int hasTexel[2]; |
| 281 | uint8 *p = (uint8*)&m; |
| 282 | |
| 283 | for( int i=0; i<2; i++) |
| 284 | { |
| 285 | hasTexel[i]=0; |
| 286 | for( int j=0; j<4; j++) |
| 287 | { |
| 288 | if( (p[j]&MUX_MASK) == MUX_TEXEL0+i ) |
| 289 | { |
| 290 | hasTexel[i]=1; |
| 291 | break; |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | return hasTexel[0]+hasTexel[1]; |
| 297 | } |
| 298 | |
| 299 | uint32 GetTexelNumber(N64CombinerType &m) |
| 300 | { |
| 301 | if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 ) |
| 302 | return TEX_1; |
| 303 | else |
| 304 | return TEX_0; |
| 305 | } |
| 306 | |
| 307 | bool IsTxtrUsed(N64CombinerType &m) |
| 308 | { |
| 309 | if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 ) |
| 310 | return true; |
| 311 | if( (m.a&MUX_MASK) == MUX_TEXEL0 || (m.b&MUX_MASK) == MUX_TEXEL0 || (m.c&MUX_MASK) == MUX_TEXEL0 || (m.d&MUX_MASK) == MUX_TEXEL0 ) |
| 312 | return true; |
| 313 | else |
| 314 | return false; |
| 315 | } |
| 316 | |
| 317 | //======================================================================== |
| 318 | |
| 319 | void CColorCombiner::InitCombinerMode(void) |
| 320 | { |
| 321 | #ifdef DEBUGGER |
| 322 | LOG_UCODE(cycleTypeStrs[gRDP.otherMode.cycle_type]); |
| 323 | if( debuggerDropDecodedMux ) |
| 324 | { |
| 325 | UpdateCombiner(m_pDecodedMux->m_dwMux0, m_pDecodedMux->m_dwMux1); |
| 326 | } |
| 327 | #endif |
| 328 | |
| 329 | if( currentRomOptions.bNormalCombiner ) |
| 330 | { |
| 331 | DisableCombiner(); |
| 332 | } |
| 333 | else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY ) |
| 334 | { |
| 335 | InitCombinerCycleCopy(); |
| 336 | m_bCycleChanged = true; |
| 337 | } |
| 338 | else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL ) |
| 339 | //else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL && gRSP.ucode != 5 ) //hack |
| 340 | { |
| 341 | InitCombinerCycleFill(); |
| 342 | m_bCycleChanged = true; |
| 343 | } |
| 344 | else |
| 345 | { |
| 346 | InitCombinerCycle12(); |
| 347 | m_bCycleChanged = false; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | |
| 352 | bool bConkerHideShadow=false; |
| 353 | void CColorCombiner::UpdateCombiner(uint32 dwMux0, uint32 dwMux1) |
| 354 | { |
| 355 | #ifdef DEBUGGER |
| 356 | if( debuggerDropDecodedMux ) |
| 357 | { |
| 358 | debuggerDropDecodedMux = false; |
| 359 | m_pDecodedMux->m_dwMux0 = m_pDecodedMux->m_dwMux1 = 0; |
| 360 | m_DecodedMuxList.clear(); |
| 361 | } |
| 362 | #endif |
| 363 | |
| 364 | DecodedMux &m_decodedMux = *m_pDecodedMux; |
| 365 | if( m_decodedMux.m_dwMux0 != dwMux0 || m_decodedMux.m_dwMux1 != dwMux1 ) |
| 366 | { |
| 367 | if( options.enableHackForGames == HACK_FOR_DR_MARIO ) |
| 368 | { |
| 369 | // Hack for Dr. Mario |
| 370 | if( dwMux1 == 0xfffcf239 && |
| 371 | ((m_decodedMux.m_dwMux0 == dwMux0 && dwMux0 == 0x00ffffff && |
| 372 | m_decodedMux.m_dwMux1 != dwMux1 && m_decodedMux.m_dwMux1 == 0xfffcf279 ) || |
| 373 | (m_decodedMux.m_dwMux0 == 0x00ffb3ff && m_decodedMux.m_dwMux1 == 0xff64fe7f && dwMux0 == 0x00ffffff ) )) |
| 374 | { |
| 375 | //dwMux1 = 0xffcf23A; |
| 376 | dwMux1 = 0xfffcf438; |
| 377 | } |
| 378 | } |
| 379 | uint64 mux64 = (((uint64)dwMux1)<<32)+dwMux0; |
| 380 | int index=m_DecodedMuxList.find(mux64); |
| 381 | |
| 382 | if( options.enableHackForGames == HACK_FOR_CONKER ) |
| 383 | { |
| 384 | // Conker's shadow, to disable the shadow |
| 385 | //Mux=0x00ffe9ff Used in CONKER BFD |
| 386 | //Color0: (0 - 0) * 0 + SHADE |
| 387 | //Color1: (0 - 0) * 0 + SHADE |
| 388 | //Alpha0: (1 - TEXEL0) * SHADE + 0 |
| 389 | //Alpha1: (1 - TEXEL0) * SHADE + 0 |
| 390 | if( dwMux1 == 0xffd21f0f && dwMux0 == 0x00ffe9ff ) |
| 391 | { |
| 392 | bConkerHideShadow = true; |
| 393 | } |
| 394 | else |
| 395 | { |
| 396 | bConkerHideShadow = false; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | if( index >= 0 ) |
| 401 | { |
| 402 | m_decodedMux = m_DecodedMuxList[index]; |
| 403 | } |
| 404 | else |
| 405 | { |
| 406 | m_decodedMux.Decode(dwMux0, dwMux1); |
| 407 | m_decodedMux.splitType[0] = CM_FMT_TYPE_NOT_CHECKED; |
| 408 | m_decodedMux.splitType[1] = CM_FMT_TYPE_NOT_CHECKED; |
| 409 | m_decodedMux.splitType[2] = CM_FMT_TYPE_NOT_CHECKED; |
| 410 | m_decodedMux.splitType[3] = CM_FMT_TYPE_NOT_CHECKED; |
| 411 | |
| 412 | m_decodedMux.Hack(); |
| 413 | |
| 414 | if( !m_bSupportMultiTexture ) |
| 415 | { |
| 416 | m_decodedMux.ReplaceVal(MUX_TEXEL1, MUX_TEXEL0); |
| 417 | m_decodedMux.ReplaceVal(MUX_LODFRAC,1); |
| 418 | m_decodedMux.ReplaceVal(MUX_PRIMLODFRAC,1); |
| 419 | } |
| 420 | |
| 421 | m_decodedMux.Simplify(); |
| 422 | if( m_supportedStages>1) |
| 423 | m_decodedMux.SplitComplexStages(); |
| 424 | |
| 425 | m_DecodedMuxList.add(m_decodedMux.m_u64Mux, *m_pDecodedMux); |
| 426 | #ifdef DEBUGGER |
| 427 | if( logCombiners ) |
| 428 | { |
| 429 | TRACE0("Add a new mux"); |
| 430 | DisplayMuxString(); |
| 431 | } |
| 432 | #endif |
| 433 | } |
| 434 | |
| 435 | m_bTex0Enabled = m_decodedMux.m_bTexel0IsUsed; |
| 436 | m_bTex1Enabled = m_decodedMux.m_bTexel1IsUsed; |
| 437 | m_bTexelsEnable = m_bTex0Enabled||m_bTex1Enabled; |
| 438 | |
| 439 | gRSP.bProcessDiffuseColor = (m_decodedMux.m_dwShadeColorChannelFlag != MUX_0 || m_decodedMux.m_dwShadeAlphaChannelFlag != MUX_0); |
| 440 | gRSP.bProcessSpecularColor = false; |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | |
| 445 | #ifdef DEBUGGER |
| 446 | void CColorCombiner::DisplayMuxString(void) |
| 447 | { |
| 448 | if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY) |
| 449 | { |
| 450 | TRACE0("COPY Mode\n"); |
| 451 | } |
| 452 | else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL) |
| 453 | { |
| 454 | TRACE0("FILL Mode\n"); |
| 455 | } |
| 456 | |
| 457 | m_pDecodedMux->DisplayMuxString("Used"); |
| 458 | } |
| 459 | |
| 460 | void CColorCombiner::DisplaySimpleMuxString(void) |
| 461 | { |
| 462 | m_pDecodedMux->DisplaySimpliedMuxString("Used"); |
| 463 | } |
| 464 | #endif |
| 465 | |