| 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 | #include <algorithm> |
| 20 | |
| 21 | #include "GeneralCombiner.h" |
| 22 | #include "Combiner.h" |
| 23 | #include "Config.h" |
| 24 | #include "RenderBase.h" |
| 25 | |
| 26 | #define ALLOW_USE_TEXTURE_FOR_CONSTANTS |
| 27 | |
| 28 | static const uint8 sc_Mux32[32] = |
| 29 | { |
| 30 | MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM, |
| 31 | MUX_SHADE, MUX_ENV, MUX_1, MUX_COMBINED|MUX_ALPHAREPLICATE, |
| 32 | MUX_TEXEL0|MUX_ALPHAREPLICATE, MUX_TEXEL1|MUX_ALPHAREPLICATE, MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, |
| 33 | MUX_ENV|MUX_ALPHAREPLICATE, MUX_LODFRAC, MUX_PRIMLODFRAC, MUX_K5, // Actually k5 |
| 34 | MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK, |
| 35 | MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK, |
| 36 | MUX_UNK, MUX_UNK, MUX_UNK, MUX_UNK, |
| 37 | MUX_UNK, MUX_UNK, MUX_UNK, MUX_0 |
| 38 | }; |
| 39 | |
| 40 | static const uint8 sc_Mux16[16] = |
| 41 | { |
| 42 | MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM, |
| 43 | MUX_SHADE, MUX_ENV, MUX_1, MUX_COMBALPHA, |
| 44 | MUX_TEXEL0|MUX_ALPHAREPLICATE, MUX_TEXEL1|MUX_ALPHAREPLICATE, MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, |
| 45 | MUX_ENV|MUX_ALPHAREPLICATE, MUX_LODFRAC, MUX_PRIMLODFRAC, MUX_0 |
| 46 | }; |
| 47 | static const uint8 sc_Mux8[8] = |
| 48 | { |
| 49 | MUX_COMBINED, MUX_TEXEL0, MUX_TEXEL1, MUX_PRIM, |
| 50 | MUX_SHADE, MUX_ENV, MUX_1, MUX_0 |
| 51 | }; |
| 52 | |
| 53 | |
| 54 | const char * translatedCombTypes[] = |
| 55 | { |
| 56 | "0", |
| 57 | "1", |
| 58 | "COMBINED", |
| 59 | "TEXEL0", |
| 60 | "TEXEL1", |
| 61 | "PRIM", |
| 62 | "SHADE", |
| 63 | "ENV", |
| 64 | "COMBALPHA", |
| 65 | "T0_ALPHA_wrong", |
| 66 | "T1_ALPHA_wrong", |
| 67 | "PRIM_ALPHA_wrong", |
| 68 | "SHADE_ALPHA_wrong", |
| 69 | "ENV_ALPHA_wrong", |
| 70 | "LODFRAC", |
| 71 | "PRIMLODFRAC", |
| 72 | "K5", |
| 73 | "UNK", |
| 74 | "FACTOR_PRIM_MINUS_ENV", |
| 75 | "FACTOR_ENV_MINUS_PRIM", |
| 76 | "FACTOR_1_MINUS_PRIM", |
| 77 | "FACTOR_0_MINUS_PRIM", |
| 78 | "FACTOR_1_MINUS_ENV", |
| 79 | "FACTOR_0_MINUS_ENV", |
| 80 | "FACTOR_1_MINUS_PRIMALPHA", |
| 81 | "FACTOR_1_MINUS_ENVALPHA", |
| 82 | "FACTOR_HALF", |
| 83 | "PRIM_X_PRIMALPHA", |
| 84 | "1_MINUS_PRIM_X_ENV_PLUS_PRIM", |
| 85 | "ENV_X_PRIM", |
| 86 | "PRIM_X_1_MINUS_ENV", |
| 87 | "PRIM_X_PRIM", |
| 88 | "ENV_X_ENV", |
| 89 | }; |
| 90 | |
| 91 | const char* muxTypeStrs[] = { |
| 92 | "CM_FMT_TYPE_NOT_USED", |
| 93 | "CM_FMT_TYPE1_D", |
| 94 | "CM_FMT_TYPE2_A_ADD_D", |
| 95 | "CM_FMT_TYPE3_A_MOD_C", |
| 96 | "CM_FMT_TYPE4_A_SUB_B", |
| 97 | "CM_FMT_TYPE5_A_MOD_C_ADD_D", |
| 98 | "CM_FMT_TYPE6_A_LERP_B_C", |
| 99 | "CM_FMT_TYPE7_A_SUB_B_ADD_D", |
| 100 | "CM_FMT_TYPE8_A_SUB_B_MOD_C", |
| 101 | "CM_FMT_TYPE9_A_B_C_D", |
| 102 | "CM_FMT_TYPE_NOT_CHECKED", |
| 103 | }; |
| 104 | |
| 105 | void DecodedMux::Decode(uint32 dwMux0, uint32 dwMux1) |
| 106 | { |
| 107 | m_dwMux0 = dwMux0; |
| 108 | m_dwMux1 = dwMux1; |
| 109 | |
| 110 | aRGB0 = uint8((dwMux0>>20)&0x0F); // c1 c1 // a0 |
| 111 | bRGB0 = uint8((dwMux1>>28)&0x0F); // c1 c2 // b0 |
| 112 | cRGB0 = uint8((dwMux0>>15)&0x1F); // c1 c3 // c0 |
| 113 | dRGB0 = uint8((dwMux1>>15)&0x07); // c1 c4 // d0 |
| 114 | |
| 115 | aA0 = uint8((dwMux0>>12)&0x07); // c1 a1 // Aa0 |
| 116 | bA0 = uint8((dwMux1>>12)&0x07); // c1 a2 // Ab0 |
| 117 | cA0 = uint8((dwMux0>>9 )&0x07); // c1 a3 // Ac0 |
| 118 | dA0 = uint8((dwMux1>>9 )&0x07); // c1 a4 // Ad0 |
| 119 | |
| 120 | aRGB1 = uint8((dwMux0>>5 )&0x0F); // c2 c1 // a1 |
| 121 | bRGB1 = uint8((dwMux1>>24)&0x0F); // c2 c2 // b1 |
| 122 | cRGB1 = uint8((dwMux0 )&0x1F); // c2 c3 // c1 |
| 123 | dRGB1 = uint8((dwMux1>>6 )&0x07); // c2 c4 // d1 |
| 124 | |
| 125 | aA1 = uint8((dwMux1>>21)&0x07); // c2 a1 // Aa1 |
| 126 | bA1 = uint8((dwMux1>>3 )&0x07); // c2 a2 // Ab1 |
| 127 | cA1 = uint8((dwMux1>>18)&0x07); // c2 a3 // Ac1 |
| 128 | dA1 = uint8((dwMux1 )&0x07); // c2 a4 // Ad1 |
| 129 | |
| 130 | //This fuction will translate the decode mux info further, so we can use |
| 131 | //the decode data better. |
| 132 | //Will translate A,B,C,D to unified presentation |
| 133 | aRGB0 = sc_Mux16[aRGB0]; |
| 134 | bRGB0 = sc_Mux16[bRGB0]; |
| 135 | cRGB0 = sc_Mux32[cRGB0]; |
| 136 | dRGB0 = sc_Mux8[dRGB0]; |
| 137 | |
| 138 | aA0 = sc_Mux8[aA0]; |
| 139 | bA0 = sc_Mux8[bA0]; |
| 140 | cA0 = sc_Mux8[cA0]; |
| 141 | dA0 = sc_Mux8[dA0]; |
| 142 | |
| 143 | aRGB1 = sc_Mux16[aRGB1]; |
| 144 | bRGB1 = sc_Mux16[bRGB1]; |
| 145 | cRGB1 = sc_Mux32[cRGB1]; |
| 146 | dRGB1 = sc_Mux8[dRGB1]; |
| 147 | |
| 148 | aA1 = sc_Mux8[aA1]; |
| 149 | bA1 = sc_Mux8[bA1]; |
| 150 | cA1 = sc_Mux8[cA1]; |
| 151 | dA1 = sc_Mux8[dA1]; |
| 152 | |
| 153 | m_bShadeIsUsed[1] = isUsedInAlphaChannel(MUX_SHADE); |
| 154 | m_bShadeIsUsed[0] = isUsedInColorChannel(MUX_SHADE); |
| 155 | m_bTexel0IsUsed = isUsed(MUX_TEXEL0); |
| 156 | m_bTexel1IsUsed = isUsed(MUX_TEXEL1); |
| 157 | |
| 158 | m_dwShadeColorChannelFlag = 0; |
| 159 | m_dwShadeAlphaChannelFlag = 0; |
| 160 | m_ColorTextureFlag[0] = 0; |
| 161 | m_ColorTextureFlag[1] = 0; |
| 162 | } |
| 163 | |
| 164 | int DecodedMux::Count(uint8 val, int cycle, uint8 mask) |
| 165 | { |
| 166 | uint8* pmux = m_bytes; |
| 167 | int count=0; |
| 168 | int start=0; |
| 169 | int end=16; |
| 170 | |
| 171 | if( cycle >= 0 ) |
| 172 | { |
| 173 | start = cycle*4; |
| 174 | end = start+4; |
| 175 | } |
| 176 | |
| 177 | |
| 178 | for( int i=start; i<end; i++ ) |
| 179 | { |
| 180 | if( (pmux[i]&mask) == (val&mask) ) |
| 181 | { |
| 182 | count++; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | return count; |
| 187 | } |
| 188 | |
| 189 | |
| 190 | bool DecodedMux::isUsed(uint8 val, uint8 mask) |
| 191 | { |
| 192 | uint8* pmux = m_bytes; |
| 193 | bool isUsed = false; |
| 194 | for( int i=0; i<16; i++ ) |
| 195 | { |
| 196 | if( (pmux[i]&mask) == (val&mask) ) |
| 197 | { |
| 198 | isUsed = true; |
| 199 | break; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | return isUsed; |
| 204 | } |
| 205 | |
| 206 | bool DecodedMux::isUsedInAlphaChannel(uint8 val, uint8 mask) |
| 207 | { |
| 208 | uint8* pmux = m_bytes; |
| 209 | bool isUsed = false; |
| 210 | for( int i=0; i<16; i++ ) |
| 211 | { |
| 212 | if( (i/4)%2 == 0 ) |
| 213 | continue; //Don't test color channel |
| 214 | |
| 215 | if( (pmux[i]&mask) == (val&mask) ) |
| 216 | { |
| 217 | isUsed = true; |
| 218 | break; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | return isUsed; |
| 223 | } |
| 224 | |
| 225 | bool DecodedMux::isUsedInColorChannel(uint8 val, uint8 mask) |
| 226 | { |
| 227 | uint8* pmux = m_bytes; |
| 228 | bool isUsed = false; |
| 229 | for( int i=0; i<16; i++ ) |
| 230 | { |
| 231 | if( (i/4)%2 == 0 && (pmux[i]&mask) == (val&mask) ) |
| 232 | { |
| 233 | isUsed = true; |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | return isUsed; |
| 239 | } |
| 240 | |
| 241 | |
| 242 | bool DecodedMux::isUsedInCycle(uint8 val, int cycle, CombineChannel channel, uint8 mask) |
| 243 | { |
| 244 | cycle *=2; |
| 245 | if( channel == ALPHA_CHANNEL ) cycle++; |
| 246 | |
| 247 | uint8* pmux = m_bytes; |
| 248 | for( int i=0; i<4; i++ ) |
| 249 | { |
| 250 | if( (pmux[i+cycle*4]&mask) == (val&mask) ) |
| 251 | { |
| 252 | return true; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | return false; |
| 257 | } |
| 258 | |
| 259 | bool DecodedMux::isUsedInCycle(uint8 val, int cycle, uint8 mask) |
| 260 | { |
| 261 | return isUsedInCycle(val, cycle/2, cycle%2?ALPHA_CHANNEL:COLOR_CHANNEL, mask); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | void DecodedMux::ConvertComplements() |
| 266 | { |
| 267 | //For (A-B)*C+D, if A=1, then we can convert A-B to Ac-0 |
| 268 | if( aRGB0 != MUX_1 && bRGB0 != MUX_0 ) |
| 269 | { |
| 270 | aRGB0 = bRGB0|MUX_COMPLEMENT; |
| 271 | bRGB0 = MUX_0; |
| 272 | } |
| 273 | if( aRGB1 != MUX_1 && bRGB1 != MUX_0 ) |
| 274 | { |
| 275 | aRGB1 = bRGB1|MUX_COMPLEMENT; |
| 276 | bRGB1 = MUX_0; |
| 277 | } |
| 278 | if( aA0 != MUX_1 && bA0 != MUX_0 ) |
| 279 | { |
| 280 | aA0 = bA0|MUX_COMPLEMENT; |
| 281 | bA0 = MUX_0; |
| 282 | } |
| 283 | if( aA1 != MUX_1 && bA1 != MUX_0 ) |
| 284 | { |
| 285 | aA1 = bA1|MUX_COMPLEMENT; |
| 286 | bA1 = MUX_0; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | |
| 291 | CombinerFormatType DecodedMux::GetCombinerFormatType(uint32 cycle) |
| 292 | { |
| 293 | //Analyze the formula |
| 294 | /* |
| 295 | C=0 = D |
| 296 | A==B = D |
| 297 | B=0, C=1, D=0 = A |
| 298 | A=1, B=0, D=0 = C |
| 299 | C=1, B==D = A |
| 300 | A=1, C=1, D=0 = 1-B |
| 301 | D = 1 = 1 |
| 302 | */ |
| 303 | return CM_FMT_TYPE_D; |
| 304 | } |
| 305 | |
| 306 | void DecodedMuxForPixelShader::Simplify(void) |
| 307 | { |
| 308 | CheckCombineInCycle1(); |
| 309 | //Reformat(); |
| 310 | |
| 311 | if( g_curRomInfo.bTexture1Hack ) |
| 312 | { |
| 313 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2); |
| 314 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3); |
| 315 | } |
| 316 | splitType[0] = CM_FMT_TYPE_NOT_USED; |
| 317 | splitType[1] = CM_FMT_TYPE_NOT_USED; |
| 318 | splitType[2] = CM_FMT_TYPE_NOT_USED; |
| 319 | splitType[3] = CM_FMT_TYPE_NOT_USED; |
| 320 | mType = CM_FMT_TYPE_NOT_USED; |
| 321 | |
| 322 | m_bTexel0IsUsed = isUsed(MUX_TEXEL0); |
| 323 | m_bTexel1IsUsed = isUsed(MUX_TEXEL1); |
| 324 | } |
| 325 | |
| 326 | void DecodedMuxForSemiPixelShader::Reset(void) |
| 327 | { |
| 328 | Decode(m_dwMux0, m_dwMux1); |
| 329 | splitType[0] = CM_FMT_TYPE_NOT_CHECKED; |
| 330 | splitType[1] = CM_FMT_TYPE_NOT_CHECKED; |
| 331 | splitType[2] = CM_FMT_TYPE_NOT_CHECKED; |
| 332 | splitType[3] = CM_FMT_TYPE_NOT_CHECKED; |
| 333 | |
| 334 | Hack(); |
| 335 | |
| 336 | gRSP.bProcessDiffuseColor = false; |
| 337 | gRSP.bProcessSpecularColor = false; |
| 338 | |
| 339 | CheckCombineInCycle1(); |
| 340 | if( g_curRomInfo.bTexture1Hack ) |
| 341 | { |
| 342 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2); |
| 343 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3); |
| 344 | } |
| 345 | |
| 346 | m_bTexel0IsUsed = isUsed(MUX_TEXEL0); |
| 347 | m_bTexel1IsUsed = isUsed(MUX_TEXEL1); |
| 348 | } |
| 349 | |
| 350 | void DecodedMuxForOGL14V2::Simplify(void) |
| 351 | { |
| 352 | CheckCombineInCycle1(); |
| 353 | if( g_curRomInfo.bTexture1Hack ) |
| 354 | { |
| 355 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2); |
| 356 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3); |
| 357 | } |
| 358 | Reformat(); |
| 359 | |
| 360 | UseTextureForConstant(); |
| 361 | Reformat(); |
| 362 | |
| 363 | m_bTexel0IsUsed = isUsed(MUX_TEXEL0); |
| 364 | m_bTexel1IsUsed = isUsed(MUX_TEXEL1); |
| 365 | } |
| 366 | |
| 367 | void DecodedMux::Simplify(void) |
| 368 | { |
| 369 | CheckCombineInCycle1(); |
| 370 | if( gRDP.otherMode.text_lod ) |
| 371 | ConvertLODFracTo0(); |
| 372 | if( g_curRomInfo.bTexture1Hack ) |
| 373 | { |
| 374 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,2); |
| 375 | ReplaceVal(MUX_TEXEL1,MUX_TEXEL0,3); |
| 376 | } |
| 377 | Reformat(); |
| 378 | |
| 379 | UseShadeForConstant(); |
| 380 | Reformat(); |
| 381 | |
| 382 | if( m_dwShadeColorChannelFlag == MUX_0 ) |
| 383 | { |
| 384 | MergeShadeWithConstants(); |
| 385 | Reformat(); |
| 386 | } |
| 387 | |
| 388 | #ifdef ALLOW_USE_TEXTURE_FOR_CONSTANTS |
| 389 | UseTextureForConstant(); |
| 390 | for( int i=0; i<2; i++ ) |
| 391 | { |
| 392 | if( m_ColorTextureFlag[i] != 0 ) |
| 393 | { |
| 394 | if( m_dwShadeColorChannelFlag == m_ColorTextureFlag[i] ) |
| 395 | { |
| 396 | ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle0RGB); |
| 397 | ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle1RGB); |
| 398 | m_dwShadeColorChannelFlag = 0; |
| 399 | } |
| 400 | if( m_dwShadeAlphaChannelFlag == m_ColorTextureFlag[i] ) |
| 401 | { |
| 402 | ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle0Alpha); |
| 403 | ReplaceVal(MUX_SHADE,MUX_TEXEL0+i,N64Cycle1Alpha); |
| 404 | ReplaceVal(MUX_SHADE|MUX_ALPHAREPLICATE,(MUX_TEXEL0+i)|MUX_ALPHAREPLICATE,N64Cycle0RGB,MUX_MASK_WITH_ALPHA); |
| 405 | ReplaceVal(MUX_SHADE|MUX_ALPHAREPLICATE,(MUX_TEXEL0+i)|MUX_ALPHAREPLICATE,N64Cycle1RGB,MUX_MASK_WITH_ALPHA); |
| 406 | m_dwShadeAlphaChannelFlag = 0; |
| 407 | } |
| 408 | } |
| 409 | } |
| 410 | Reformat(); |
| 411 | #endif |
| 412 | |
| 413 | m_bTexel0IsUsed = isUsed(MUX_TEXEL0); |
| 414 | m_bTexel1IsUsed = isUsed(MUX_TEXEL1); |
| 415 | } |
| 416 | |
| 417 | void DecodedMux::Reformat(bool do_complement) |
| 418 | { |
| 419 | if( m_dWords[N64Cycle0RGB] == m_dWords[N64Cycle1RGB] ) |
| 420 | { |
| 421 | aRGB1 = MUX_0; |
| 422 | bRGB1 = MUX_0; |
| 423 | cRGB1 = MUX_0; |
| 424 | dRGB1 = MUX_COMBINED; |
| 425 | splitType[N64Cycle1RGB] = CM_FMT_TYPE_NOT_USED; |
| 426 | } |
| 427 | |
| 428 | if( m_dWords[N64Cycle0Alpha] == m_dWords[N64Cycle1Alpha] ) |
| 429 | { |
| 430 | aA1 = MUX_0; |
| 431 | bA1 = MUX_0; |
| 432 | cA1 = MUX_0; |
| 433 | dA1 = MUX_COMBINED; |
| 434 | splitType[N64Cycle1Alpha] = CM_FMT_TYPE_NOT_USED; |
| 435 | } |
| 436 | |
| 437 | for( int i=0; i<4; i++ ) |
| 438 | { |
| 439 | if( splitType[i] == CM_FMT_TYPE_NOT_USED ) |
| 440 | { |
| 441 | continue; //Skip this, it is not used |
| 442 | } |
| 443 | |
| 444 | N64CombinerType &m = m_n64Combiners[i]; |
| 445 | //if( m.a == MUX_0 || m.c == MUX_0 || m.a == m.b ) m.a = m.b = m.c = MUX_0; |
| 446 | if( m.c == MUX_0 || m.a == m.b ) m.a = m.b = m.c = MUX_0; |
| 447 | if( do_complement && (m.b == MUX_1 || m.d == MUX_1) ) m.a = m.b = m.c = MUX_0; |
| 448 | if( m.a == MUX_0 && m.b == m.d ) |
| 449 | { |
| 450 | m.a = m.b; |
| 451 | m.b = m.d = 0; |
| 452 | //Hack for Mario Tennis |
| 453 | if( options.enableHackForGames == HACK_FOR_MARIO_TENNIS && m.c == MUX_TEXEL1 ) |
| 454 | { |
| 455 | if( do_complement ) |
| 456 | m.c = MUX_TEXEL0|MUX_COMPLEMENT; |
| 457 | else |
| 458 | { |
| 459 | m.a = m.c; |
| 460 | m.c = m.b; |
| 461 | m.b = m.a; |
| 462 | m.a = MUX_1; |
| 463 | } |
| 464 | } |
| 465 | //m.c ^= MUX_COMPLEMENT; |
| 466 | } |
| 467 | |
| 468 | //Type 1 == D |
| 469 | //Analyze the formula |
| 470 | //Check Type 1 |
| 471 | //D = 1 = D(=1) |
| 472 | //C=0 = D |
| 473 | //A==B = D |
| 474 | //B=0, C=1, D=0 = A |
| 475 | //C=1, B==D = A |
| 476 | //A=1, B=0, D=0 = C |
| 477 | //A=1, C=1, D=0 = 1-B |
| 478 | |
| 479 | splitType[i] = CM_FMT_TYPE_NOT_CHECKED; //All Type 1 will be changed to = D |
| 480 | if( m.c == MUX_0 || m.a==m.b || ( do_complement && (m.d == MUX_1 || m.b==MUX_1)) ) |
| 481 | { |
| 482 | splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D |
| 483 | m.a = m.b = m.c = MUX_0; |
| 484 | if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED; |
| 485 | } |
| 486 | else if( (m.b == MUX_0 && m.c == MUX_1 && m.d == MUX_0 ) || ( m.c == MUX_1 && m.b==m.d ) ) |
| 487 | { |
| 488 | splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D |
| 489 | m.d = m.a; |
| 490 | m.a = m.b = m.c = MUX_0; |
| 491 | if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED; |
| 492 | } |
| 493 | else if( m.a == MUX_1 && m.b == MUX_0 && m.d == MUX_0 ) |
| 494 | { |
| 495 | splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D |
| 496 | m.d = m.c; |
| 497 | m.a = m.b = m.c = MUX_0; |
| 498 | if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED; |
| 499 | } |
| 500 | else if( m.a == MUX_1 && m.c == MUX_1 && m.d == MUX_0 && do_complement ) |
| 501 | { |
| 502 | splitType[i] = CM_FMT_TYPE_D; //All Type 1 will be changed to = D |
| 503 | m.d = m.b^MUX_COMPLEMENT; |
| 504 | m.a = m.b = m.c = MUX_0; |
| 505 | if( m.d == MUX_COMBINED && i>=N64Cycle1RGB ) splitType[i] = CM_FMT_TYPE_NOT_USED; |
| 506 | } |
| 507 | |
| 508 | if( splitType[i] == CM_FMT_TYPE_NOT_USED ) |
| 509 | continue; |
| 510 | |
| 511 | if( splitType[i] == CM_FMT_TYPE_D ) |
| 512 | { |
| 513 | if( (i == N64Cycle0RGB || i == N64Cycle0Alpha) && splitType[i+2]!=CM_FMT_TYPE_NOT_USED ) //Cycle 1's Color or Alpha |
| 514 | { |
| 515 | uint8 saveD = m.d; |
| 516 | for( int j=0; j<4; j++ ) |
| 517 | { |
| 518 | if( (m_bytes[j+i*4+8]&MUX_MASK) == MUX_COMBINED ) |
| 519 | { |
| 520 | m_bytes[j+i*4+8] = saveD|(m_bytes[j+i*4+8]&0xC0); //Replace cycle's CMB with D from cycle 1 |
| 521 | } |
| 522 | } |
| 523 | m_dWords[i] = m_dWords[i+2]; |
| 524 | splitType[i+2]=CM_FMT_TYPE_NOT_USED; |
| 525 | m_dWords[i+2] = 0x02000000; |
| 526 | i=i-1; // Throw the first cycle result away, use 2nd cycle for the 1st cycle |
| 527 | // and then redo the 1st cycle |
| 528 | continue; |
| 529 | } |
| 530 | |
| 531 | if( (i==2 || i == 3) && (m.d&MUX_MASK) == MUX_COMBINED ) |
| 532 | { |
| 533 | splitType[i] = CM_FMT_TYPE_NOT_USED; |
| 534 | } |
| 535 | continue; |
| 536 | } |
| 537 | |
| 538 | |
| 539 | //Type 2: A+D ' ADD |
| 540 | //B=0, C=1 = A+D |
| 541 | //A=1, B=0 = C+D |
| 542 | splitType[i] = CM_FMT_TYPE_A_ADD_D; //All Type 2 will be changed to = A+D |
| 543 | if( m.b == MUX_0 && m.c == MUX_1 ) |
| 544 | { |
| 545 | if( m.d == MUX_TEXEL0 || m.d == MUX_TEXEL1 ) swap(m.a, m.d); |
| 546 | if( m.a == MUX_COMBINED ) swap(m.a, m.d); |
| 547 | continue; |
| 548 | } |
| 549 | |
| 550 | if( m.a == MUX_1 && m.b == MUX_0 ) |
| 551 | { |
| 552 | m.a = m.c; //Change format A+D |
| 553 | m.c = MUX_1; |
| 554 | if( m.d == MUX_TEXEL0 || m.d == MUX_TEXEL1 ) swap(m.a, m.d); |
| 555 | continue; |
| 556 | } |
| 557 | |
| 558 | |
| 559 | //Type 3: A*C |
| 560 | //B=0, D=0 = A*C |
| 561 | //A=1, D=0 = (1-A)*C |
| 562 | splitType[i] = CM_FMT_TYPE_A_MOD_C; //A*C |
| 563 | if( m.b == MUX_0 && m.d == MUX_0 ) |
| 564 | { |
| 565 | if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c); |
| 566 | if( m.a == MUX_COMBINED ) swap(m.a, m.c); |
| 567 | continue; |
| 568 | } |
| 569 | |
| 570 | if( m.a == MUX_1 && m.d == MUX_0 && do_complement ) |
| 571 | { |
| 572 | m.a = m.b^MUX_COMPLEMENT; |
| 573 | m.b = MUX_0; |
| 574 | if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c); |
| 575 | if( m.a == MUX_COMBINED ) swap(m.a, m.c); |
| 576 | continue; |
| 577 | } |
| 578 | |
| 579 | //Type 4: A-B ' SUB |
| 580 | //C=1, D=0 = A-B |
| 581 | splitType[i] = CM_FMT_TYPE_A_SUB_B; //A-B |
| 582 | if( m.c == MUX_1 && m.d == MUX_0 ) |
| 583 | { |
| 584 | continue; |
| 585 | } |
| 586 | |
| 587 | //Type 5: A*C+D , ' MULTIPLYADD |
| 588 | //B=0 = A*C+D |
| 589 | //A=1 = (1-B) * C + D |
| 590 | splitType[i] = CM_FMT_TYPE_A_MOD_C_ADD_D; |
| 591 | if( m.b == MUX_0 ) |
| 592 | { |
| 593 | if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c); |
| 594 | if( m.a == MUX_COMBINED ) swap(m.a, m.c); |
| 595 | continue; |
| 596 | } |
| 597 | |
| 598 | if( m.a == MUX_1 && m.b!=m.d && do_complement ) |
| 599 | { |
| 600 | m.a = m.b^MUX_COMPLEMENT; |
| 601 | m.b = MUX_0; |
| 602 | if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c); |
| 603 | if( m.a == MUX_COMBINED ) swap(m.a, m.c); |
| 604 | continue; |
| 605 | } |
| 606 | |
| 607 | //Type 6: (A-B)*C+B Map to LERP, or BLENDALPHA |
| 608 | //D==B |
| 609 | splitType[i] = CM_FMT_TYPE_A_LERP_B_C; |
| 610 | if( m.b == m.d ) |
| 611 | { |
| 612 | continue; |
| 613 | } |
| 614 | |
| 615 | |
| 616 | //Type 7: A-B+D |
| 617 | //C=1 = A-B+D |
| 618 | splitType[i] = CM_FMT_TYPE_A_SUB_B_ADD_D; |
| 619 | if( m.c == MUX_1 ) |
| 620 | { |
| 621 | if( m.c == MUX_TEXEL0 || m.c == MUX_TEXEL1 ) swap(m.a, m.c); |
| 622 | continue; |
| 623 | } |
| 624 | |
| 625 | //Type 8: (A-B)*C |
| 626 | splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C; |
| 627 | if( m.d == MUX_0 ) |
| 628 | { |
| 629 | continue; |
| 630 | } |
| 631 | |
| 632 | if( m.c == m.d && do_complement ) // (A-B)*C+C ==> (A + B|C ) * C |
| 633 | { |
| 634 | m.d = MUX_0; |
| 635 | m.b |= MUX_COMPLEMENT; |
| 636 | continue; |
| 637 | } |
| 638 | |
| 639 | if( m.a == m.d ) |
| 640 | { |
| 641 | splitType[i] = CM_FMT_TYPE_A_B_C_A; |
| 642 | continue; |
| 643 | } |
| 644 | |
| 645 | //Type 9: (A-B)*C+D |
| 646 | splitType[i] = CM_FMT_TYPE_A_B_C_D; |
| 647 | } |
| 648 | |
| 649 | if( (splitType[0] == CM_FMT_TYPE_D && splitType[2]!= CM_FMT_TYPE_NOT_USED ) || //Cycle 1 Color |
| 650 | (isUsedInCycle(MUX_COMBINED,1,COLOR_CHANNEL) == false && isUsedInCycle(MUX_COMBINED,1,ALPHA_CHANNEL) == false && splitType[2]!= CM_FMT_TYPE_NOT_USED) ) |
| 651 | { |
| 652 | //Replace cycle 1 color with cycle 2 color because we have already replace cycle2's cmb |
| 653 | aRGB0 = aRGB1; |
| 654 | bRGB0 = bRGB1; |
| 655 | cRGB0 = cRGB1; |
| 656 | dRGB0 = dRGB1; |
| 657 | aRGB1 = MUX_0; |
| 658 | bRGB1 = MUX_0; |
| 659 | cRGB1 = MUX_0; |
| 660 | dRGB1 = MUX_COMBINED; |
| 661 | splitType[0] = splitType[2]; |
| 662 | splitType[2] = CM_FMT_TYPE_NOT_USED; |
| 663 | } |
| 664 | |
| 665 | if( (splitType[1] == CM_FMT_TYPE_D && splitType[3]!= CM_FMT_TYPE_NOT_USED ) || //Cycle 2 Alpha |
| 666 | ( isUsedInCycle(MUX_COMBINED,1,ALPHA_CHANNEL) == false && isUsedInCycle(MUX_COMBINED|MUX_ALPHAREPLICATE,1,COLOR_CHANNEL,MUX_MASK_WITH_ALPHA) == false && splitType[3]!= CM_FMT_TYPE_NOT_USED) ) |
| 667 | { |
| 668 | //Replace cycle 1 alpha with cycle 2 alpha because we have already replace cycle2's cmb |
| 669 | aA0 = aA1; |
| 670 | bA0 = bA1; |
| 671 | cA0 = cA1; |
| 672 | dA0 = dA1; |
| 673 | aA1 = MUX_0; |
| 674 | bA1 = MUX_0; |
| 675 | cA1 = MUX_0; |
| 676 | dA1 = MUX_COMBINED; |
| 677 | splitType[1] = splitType[3]; |
| 678 | splitType[3] = CM_FMT_TYPE_NOT_USED; |
| 679 | } |
| 680 | |
| 681 | if( splitType[0] == CM_FMT_TYPE_A_MOD_C && splitType[2] == CM_FMT_TYPE_A_ADD_D ) |
| 682 | { |
| 683 | m_n64Combiners[0].d = (m_n64Combiners[2].a & MUX_MASK) == MUX_COMBINED ? m_n64Combiners[2].d : m_n64Combiners[2].a; |
| 684 | splitType[0] = CM_FMT_TYPE_A_MOD_C_ADD_D; |
| 685 | splitType[2] = CM_FMT_TYPE_NOT_USED; |
| 686 | m_n64Combiners[2].a = MUX_0; |
| 687 | m_n64Combiners[2].c = MUX_0; |
| 688 | m_n64Combiners[2].d = MUX_COMBINED; |
| 689 | } |
| 690 | |
| 691 | if( splitType[1] == CM_FMT_TYPE_A_MOD_C && splitType[3] == CM_FMT_TYPE_A_ADD_D ) |
| 692 | { |
| 693 | m_n64Combiners[1].d = (m_n64Combiners[3].a & MUX_MASK) == MUX_COMBINED ? m_n64Combiners[3].d : m_n64Combiners[3].a; |
| 694 | splitType[1] = CM_FMT_TYPE_A_MOD_C_ADD_D; |
| 695 | splitType[3] = CM_FMT_TYPE_NOT_USED; |
| 696 | m_n64Combiners[3].a = MUX_0; |
| 697 | m_n64Combiners[3].c = MUX_0; |
| 698 | m_n64Combiners[3].d = MUX_COMBINED; |
| 699 | } |
| 700 | |
| 701 | mType = max(max(max(splitType[0], splitType[1]),splitType[2]),splitType[3]); |
| 702 | } |
| 703 | |
| 704 | const char* MuxGroupStr[4] = |
| 705 | { |
| 706 | "Color0", |
| 707 | "Alpha0", |
| 708 | "Color1", |
| 709 | "Alpha1", |
| 710 | }; |
| 711 | |
| 712 | char* DecodedMux::FormatStr(uint8 val, char *buf) |
| 713 | { |
| 714 | if( val == CM_IGNORE_BYTE ) |
| 715 | { |
| 716 | strcpy(buf," "); |
| 717 | } |
| 718 | else |
| 719 | { |
| 720 | strcpy(buf, translatedCombTypes[val&MUX_MASK]); |
| 721 | if( val&MUX_ALPHAREPLICATE ) |
| 722 | strcat(buf,"|A"); |
| 723 | if( val&MUX_COMPLEMENT ) |
| 724 | strcat(buf,"|C"); |
| 725 | if( val&MUX_NEG ) |
| 726 | strcat(buf,"|N"); |
| 727 | } |
| 728 | |
| 729 | return buf; |
| 730 | } |
| 731 | |
| 732 | void DecodedMux::Display(bool simplified,FILE *fp) |
| 733 | { |
| 734 | DecodedMux decodedMux; |
| 735 | DecodedMux *mux; |
| 736 | if( simplified ) |
| 737 | { |
| 738 | mux = this; |
| 739 | } |
| 740 | else |
| 741 | { |
| 742 | decodedMux.Decode(m_dwMux0, m_dwMux1); |
| 743 | mux = &decodedMux; |
| 744 | } |
| 745 | |
| 746 | char buf0[30]; |
| 747 | char buf1[30]; |
| 748 | char buf2[30]; |
| 749 | char buf3[30]; |
| 750 | |
| 751 | for( int i=0; i<2; i++ ) |
| 752 | { |
| 753 | for(int j=0;j<2;j++) |
| 754 | { |
| 755 | N64CombinerType &m = mux->m_n64Combiners[i+2*j]; |
| 756 | if( fp ) |
| 757 | { |
| 758 | fprintf(fp,"%s: (%s - %s) * %s + %s\n", MuxGroupStr[i+2*j], FormatStr(m.a,buf0), |
| 759 | FormatStr(m.b,buf1), FormatStr(m.c,buf2), FormatStr(m.d,buf3)); |
| 760 | } |
| 761 | else |
| 762 | { |
| 763 | DebuggerAppendMsg("%s: (%s - %s) * %s + %s\n", MuxGroupStr[i+2*j], FormatStr(m.a,buf0), |
| 764 | FormatStr(m.b,buf1), FormatStr(m.c,buf2), FormatStr(m.d,buf3)); |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | int DecodedMux::HowManyConstFactors() |
| 771 | { |
| 772 | int n=0; |
| 773 | if( isUsed(MUX_PRIM) ) n++; |
| 774 | if( isUsed(MUX_ENV) ) n++; |
| 775 | if( isUsed(MUX_LODFRAC) ) n++; |
| 776 | if( isUsed(MUX_PRIMLODFRAC) ) n++; |
| 777 | return n; |
| 778 | } |
| 779 | |
| 780 | int DecodedMux::HowManyTextures() |
| 781 | { |
| 782 | int n=0; |
| 783 | if( isUsed(MUX_TEXEL0) ) n++; |
| 784 | if( isUsed(MUX_TEXEL1) ) n++; |
| 785 | return n; |
| 786 | } |
| 787 | |
| 788 | int DecodedMux::CountTexels(void) |
| 789 | { |
| 790 | int count=0; |
| 791 | |
| 792 | for( int i=0; i<4; i++ ) |
| 793 | { |
| 794 | N64CombinerType &m = m_n64Combiners[i]; |
| 795 | count = max(count, ::CountTexel1Cycle(m)); |
| 796 | if( count == 2 ) |
| 797 | break; |
| 798 | } |
| 799 | |
| 800 | return count; |
| 801 | } |
| 802 | |
| 803 | void DecodedMux::ReplaceVal(uint8 val1, uint8 val2, int cycle, uint8 mask) |
| 804 | { |
| 805 | int start = 0; |
| 806 | int end = 16; |
| 807 | |
| 808 | if( cycle >= 0 ) |
| 809 | { |
| 810 | start = cycle*4; |
| 811 | end = start+4; |
| 812 | } |
| 813 | |
| 814 | uint8* pmux = m_bytes; |
| 815 | for( int i=start; i<end; i++ ) |
| 816 | { |
| 817 | if( (pmux[i]&mask) == (val1&mask) ) |
| 818 | { |
| 819 | pmux[i] &= (~mask); |
| 820 | pmux[i] |= val2; |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | uint32 DecodedMux::GetCycle(int cycle, CombineChannel channel) |
| 826 | { |
| 827 | uint32* pmux = m_dWords; |
| 828 | if( channel == COLOR_CHANNEL ) |
| 829 | { |
| 830 | return pmux[cycle*2]; |
| 831 | } |
| 832 | else |
| 833 | { |
| 834 | return pmux[cycle*2+1]; |
| 835 | } |
| 836 | |
| 837 | } |
| 838 | |
| 839 | uint32 DecodedMux::GetCycle(int cycle) |
| 840 | { |
| 841 | return m_dWords[cycle]; |
| 842 | } |
| 843 | |
| 844 | enum ShadeConstMergeType |
| 845 | { |
| 846 | SHADE_DO_NOTHING, |
| 847 | SHADE_ADD_PRIM, // Shade+PRIM |
| 848 | SHADE_ADD_ENV, // Shade+ENV |
| 849 | SHADE_ADD_PRIM_ALPHA, // Shade+PRIM_ALPHA |
| 850 | SHADE_ADD_ENV_ALPHA, // Shade+ENV_ALPHA |
| 851 | SHADE_MINUS_PRIM_PLUS_ENV, |
| 852 | SHADE_MINUS_ENV_PLUS_PRIM, |
| 853 | SHADE_MOD_ENV, |
| 854 | }; |
| 855 | |
| 856 | typedef struct |
| 857 | { |
| 858 | uint64 mux; // simplified |
| 859 | ShadeConstMergeType op; |
| 860 | } ShadeConstMergeMapType; |
| 861 | |
| 862 | ShadeConstMergeMapType MergeShadeWithConstantsMaps[] = |
| 863 | { |
| 864 | {0, SHADE_DO_NOTHING}, |
| 865 | {0x0007000600070006LL, SHADE_MOD_ENV}, // SHADE * ENV |
| 866 | }; |
| 867 | |
| 868 | // 0x05070501, 0x00070006 //(1 - PRIM) * ENV + PRIM |
| 869 | // 0x00050003, 0x00050003 //(TEXEL0 - 0) * PRIM + 0 |
| 870 | |
| 871 | void DecodedMux::MergeShadeWithConstants(void) |
| 872 | { |
| 873 | // This function should be called afte the mux has been simplified |
| 874 | // The goal of this function is to merge as many as possible constants with shade |
| 875 | // so to reduce the totally number of constants to 0 or 1 |
| 876 | // And at the same time, to reduce the complexity of the whole mux |
| 877 | // so we can implement the mux easiler when lower end video cards |
| 878 | |
| 879 | // We can only try to merge shade with constants for: |
| 880 | // 1 cycle mode or 2 cycle mode and shade is not used in the 2nd cycle |
| 881 | |
| 882 | if( m_bShadeIsUsed[0] ) MergeShadeWithConstantsInChannel(COLOR_CHANNEL); |
| 883 | if( m_bShadeIsUsed[1] ) MergeShadeWithConstantsInChannel(ALPHA_CHANNEL); |
| 884 | } |
| 885 | |
| 886 | void DecodedMux::MergeShadeWithConstantsInChannel(CombineChannel channel) |
| 887 | { |
| 888 | bool usedIn[2]; |
| 889 | uint32 cycleVal; |
| 890 | int cycleNum; |
| 891 | |
| 892 | usedIn[0] = isUsedInCycle(MUX_SHADE,channel); |
| 893 | usedIn[1] = isUsedInCycle(MUX_SHADE,channel+2); |
| 894 | if( usedIn[0] && usedIn[1] && GetCycle(channel)!=GetCycle(channel+2) ) |
| 895 | { |
| 896 | //Shade is used in more than 1 cycles, and the ways it is used are different |
| 897 | //in cycles, so we can not merge shade with const factors |
| 898 | return; |
| 899 | } |
| 900 | |
| 901 | if( usedIn[0] ) { cycleVal = GetCycle(channel);cycleNum=0;} |
| 902 | else {cycleVal = GetCycle(channel+2);cycleNum=1;} |
| 903 | |
| 904 | |
| 905 | //Update to here, Shade is either used only in 1 cycle, or the way it is used are totally |
| 906 | //the same in different cycles |
| 907 | |
| 908 | if( cycleVal == 0x06000000 || isUsedInCycle(MUX_COMBINED,channel+cycleNum*2) ) // (0-0)*0+Shade |
| 909 | { |
| 910 | return; |
| 911 | } |
| 912 | |
| 913 | //Now we can merge shade with consts |
| 914 | for( int i=0; i<2; i++ ) |
| 915 | { |
| 916 | if( usedIn[i] ) |
| 917 | { |
| 918 | N64CombinerType &m = m_n64Combiners[channel+i*2]; |
| 919 | if( isUsedInCycle(MUX_TEXEL0,i*2+channel) || isUsedInCycle(MUX_TEXEL1,i*2+channel) ) |
| 920 | { |
| 921 | if( (m.a&MUX_MASK) == MUX_TEXEL0 || (m.a&MUX_MASK) == MUX_TEXEL1 ) |
| 922 | { |
| 923 | // m.a is texel, can not merge constant with shade |
| 924 | return; |
| 925 | } |
| 926 | else if( (m.b&MUX_MASK) == MUX_TEXEL0 || (m.b&MUX_MASK) == MUX_TEXEL1 ) |
| 927 | { |
| 928 | // m.b is texel, can not merge constant with shade |
| 929 | return; |
| 930 | } |
| 931 | else if(( (m.c&MUX_MASK) == MUX_TEXEL0 || (m.c&MUX_MASK) == MUX_TEXEL1 ) ) |
| 932 | { |
| 933 | if( (m.d&MUX_MASK) != MUX_SHADE ) |
| 934 | { |
| 935 | cycleVal &= 0x0000FFFF; // A-B |
| 936 | } |
| 937 | else if( (m.a&MUX_MASK) == MUX_SHADE || (m.b&MUX_MASK) == MUX_SHADE ) |
| 938 | { |
| 939 | return; |
| 940 | } |
| 941 | } |
| 942 | else if( (m.d&MUX_MASK) == MUX_TEXEL0 || (m.d&MUX_MASK) == MUX_TEXEL1 ) |
| 943 | { |
| 944 | cycleVal &= 0x00FFFFFF; // (A-B)*C |
| 945 | } |
| 946 | } |
| 947 | else |
| 948 | { |
| 949 | m.a = m.b = m.c = MUX_0; |
| 950 | m.d = MUX_SHADE; |
| 951 | splitType[i*2+channel] = CM_FMT_TYPE_D; |
| 952 | } |
| 953 | } |
| 954 | } |
| 955 | |
| 956 | if( channel == COLOR_CHANNEL ) |
| 957 | m_dwShadeColorChannelFlag = cycleVal; |
| 958 | else |
| 959 | m_dwShadeAlphaChannelFlag = cycleVal; |
| 960 | } |
| 961 | |
| 962 | |
| 963 | void DecodedMux::MergeConstants(void) |
| 964 | { |
| 965 | // This function should be called afte the mux has been simplified |
| 966 | // The goal of this function is to merge remain constants and to reduce the |
| 967 | // total number of constants, so we can implement the mux easiler |
| 968 | |
| 969 | // This function should be called after the MergeShadeWithConstants() function |
| 970 | } |
| 971 | |
| 972 | |
| 973 | void DecodedMux::UseShadeForConstant(void) |
| 974 | { |
| 975 | // If shade is not used in the mux, we can use it for constants |
| 976 | // This function should be called after constants have been merged |
| 977 | |
| 978 | bool doAlphaChannel = true; |
| 979 | uint8 mask = (uint8)~MUX_COMPLEMENT; |
| 980 | |
| 981 | int constants = 0; |
| 982 | if( isUsed(MUX_ENV) ) constants++; |
| 983 | if( isUsed(MUX_PRIM) ) constants++; |
| 984 | if( isUsed(MUX_LODFRAC) ) constants++; |
| 985 | if( isUsed(MUX_PRIMLODFRAC) ) constants++; |
| 986 | |
| 987 | bool forceToUsed = constants>m_maxConstants; |
| 988 | |
| 989 | if( !isUsedInColorChannel(MUX_SHADE) && (forceToUsed || max(splitType[0], splitType[2]) >= CM_FMT_TYPE_A_MOD_C_ADD_D) ) |
| 990 | { |
| 991 | int countEnv = Count(MUX_ENV, N64Cycle0RGB, mask) + Count(MUX_ENV, N64Cycle1RGB, mask); |
| 992 | int countPrim = Count(MUX_PRIM, N64Cycle0RGB, mask) + Count(MUX_PRIM, N64Cycle1RGB, mask); |
| 993 | if( countEnv+countPrim > 0 ) |
| 994 | { |
| 995 | if( countPrim >= countEnv ) |
| 996 | { |
| 997 | //TRACE0("Use Shade for PRIM in color channel"); |
| 998 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0RGB); |
| 999 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1RGB); |
| 1000 | m_dwShadeColorChannelFlag = MUX_PRIM; |
| 1001 | } |
| 1002 | else if( countEnv>0 ) |
| 1003 | { |
| 1004 | //TRACE0("Use Shade for ENV in color channel"); |
| 1005 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0RGB); |
| 1006 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1RGB); |
| 1007 | m_dwShadeColorChannelFlag = MUX_ENV; |
| 1008 | } |
| 1009 | |
| 1010 | if( isUsedInColorChannel(MUX_SHADE|MUX_ALPHAREPLICATE, mask) ) |
| 1011 | { |
| 1012 | m_dwShadeAlphaChannelFlag = m_dwShadeColorChannelFlag; |
| 1013 | ReplaceVal((uint8)m_dwShadeColorChannelFlag, MUX_SHADE, N64Cycle0Alpha); |
| 1014 | ReplaceVal((uint8)m_dwShadeColorChannelFlag, MUX_SHADE, N64Cycle1Alpha); |
| 1015 | doAlphaChannel = false; |
| 1016 | } |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | if( doAlphaChannel && !isUsedInAlphaChannel(MUX_SHADE) && !isUsedInColorChannel(MUX_SHADE|MUX_ALPHAREPLICATE,MUX_MASK_WITH_ALPHA)) |
| 1021 | { |
| 1022 | int countEnv = Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1023 | int countPrim = Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1024 | |
| 1025 | if( forceToUsed || max(splitType[1], splitType[3]) >= CM_FMT_TYPE_A_MOD_C_ADD_D || |
| 1026 | (max(splitType[0], splitType[2]) >= CM_FMT_TYPE_A_MOD_C_ADD_D && countEnv+countPrim > 0 ) ) |
| 1027 | { |
| 1028 | countEnv = Count(MUX_ENV, N64Cycle0Alpha) + Count(MUX_ENV, N64Cycle1Alpha) + |
| 1029 | Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_ENV|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1030 | countPrim = Count(MUX_PRIM, N64Cycle0Alpha) + Count(MUX_PRIM, N64Cycle1Alpha) + |
| 1031 | Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask) + Count(MUX_PRIM|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1032 | if( countEnv+countPrim > 0 ) |
| 1033 | { |
| 1034 | if( countPrim>0 && m_dwShadeColorChannelFlag == MUX_PRIM ) |
| 1035 | { |
| 1036 | //TRACE0("Use Shade for PRIM in alpha channel"); |
| 1037 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0Alpha); |
| 1038 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1Alpha); |
| 1039 | ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask); |
| 1040 | ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1041 | m_dwShadeAlphaChannelFlag = MUX_PRIM; |
| 1042 | } |
| 1043 | else if( countEnv>0 && m_dwShadeColorChannelFlag == MUX_ENV ) |
| 1044 | { |
| 1045 | //TRACE0("Use Shade for PRIM in alpha channel"); |
| 1046 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0Alpha); |
| 1047 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1Alpha); |
| 1048 | ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask); |
| 1049 | ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1050 | m_dwShadeAlphaChannelFlag = MUX_ENV; |
| 1051 | } |
| 1052 | else if( countPrim >= countEnv ) |
| 1053 | { |
| 1054 | //TRACE0("Use Shade for PRIM in alpha channel"); |
| 1055 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle0Alpha); |
| 1056 | ReplaceVal(MUX_PRIM, MUX_SHADE, N64Cycle1Alpha); |
| 1057 | ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask); |
| 1058 | ReplaceVal(MUX_PRIM|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1059 | m_dwShadeAlphaChannelFlag = MUX_PRIM; |
| 1060 | } |
| 1061 | else if( countEnv>0 ) |
| 1062 | { |
| 1063 | //TRACE0("Use Shade for ENV in alpha channel"); |
| 1064 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle0Alpha); |
| 1065 | ReplaceVal(MUX_ENV, MUX_SHADE, N64Cycle1Alpha); |
| 1066 | ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle0RGB, mask); |
| 1067 | ReplaceVal(MUX_ENV|MUX_ALPHAREPLICATE, MUX_SHADE|MUX_ALPHAREPLICATE, N64Cycle1RGB, mask); |
| 1068 | m_dwShadeAlphaChannelFlag = MUX_ENV; |
| 1069 | } |
| 1070 | } |
| 1071 | } |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | void DecodedMux::UseTextureForConstant(void) |
| 1076 | { |
| 1077 | int numofconst = HowManyConstFactors(); |
| 1078 | int numOftex = HowManyTextures(); |
| 1079 | |
| 1080 | if( numofconst > m_maxConstants && numOftex < m_maxTextures ) |
| 1081 | { |
| 1082 | // We can use a texture for a constant |
| 1083 | for( int i=0; i<2 && numofconst > m_maxConstants ; i++ ) |
| 1084 | { |
| 1085 | if( isUsed(MUX_TEXEL0+i) ) |
| 1086 | { |
| 1087 | continue; // can not use this texture |
| 1088 | } |
| 1089 | |
| 1090 | if( isUsed(MUX_PRIM) ) |
| 1091 | { |
| 1092 | ReplaceVal(MUX_PRIM, MUX_TEXEL0+i); |
| 1093 | m_ColorTextureFlag[i] = MUX_PRIM; |
| 1094 | numofconst--; |
| 1095 | continue; |
| 1096 | } |
| 1097 | |
| 1098 | if( isUsed(MUX_ENV) ) |
| 1099 | { |
| 1100 | ReplaceVal(MUX_ENV, MUX_TEXEL0+i); |
| 1101 | m_ColorTextureFlag[i] = MUX_ENV; |
| 1102 | numofconst--; |
| 1103 | continue; |
| 1104 | } |
| 1105 | |
| 1106 | if( isUsed(MUX_LODFRAC) ) |
| 1107 | { |
| 1108 | ReplaceVal(MUX_LODFRAC, MUX_TEXEL0+i); |
| 1109 | m_ColorTextureFlag[i] = MUX_LODFRAC; |
| 1110 | numofconst--; |
| 1111 | continue; |
| 1112 | } |
| 1113 | |
| 1114 | if( isUsed(MUX_PRIMLODFRAC) ) |
| 1115 | { |
| 1116 | ReplaceVal(MUX_PRIMLODFRAC, MUX_TEXEL0+i); |
| 1117 | m_ColorTextureFlag[i] = MUX_PRIMLODFRAC; |
| 1118 | numofconst--; |
| 1119 | continue; |
| 1120 | } |
| 1121 | } |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | |
| 1126 | void DecodedMuxForOGL14V2::UseTextureForConstant(void) |
| 1127 | { |
| 1128 | bool envused = isUsed(MUX_ENV); |
| 1129 | bool lodused = isUsed(MUX_LODFRAC); |
| 1130 | |
| 1131 | int numofconst = 0; |
| 1132 | if( envused ) numofconst++; |
| 1133 | if( lodused ) numofconst++; |
| 1134 | |
| 1135 | int numOftex = HowManyTextures(); |
| 1136 | |
| 1137 | if( numofconst > 0 && numOftex < 2 ) |
| 1138 | { |
| 1139 | // We can use a texture for a constant |
| 1140 | for( int i=0; i<2 && numofconst > 0 ; i++ ) |
| 1141 | { |
| 1142 | if( isUsed(MUX_TEXEL0+i) ) |
| 1143 | { |
| 1144 | continue; // can not use this texture |
| 1145 | } |
| 1146 | |
| 1147 | if( envused ) |
| 1148 | { |
| 1149 | ReplaceVal(MUX_ENV, MUX_TEXEL0+i); |
| 1150 | m_ColorTextureFlag[i] = MUX_ENV; |
| 1151 | numofconst--; |
| 1152 | envused = false; |
| 1153 | continue; |
| 1154 | } |
| 1155 | |
| 1156 | if( isUsed(MUX_LODFRAC) ) |
| 1157 | { |
| 1158 | ReplaceVal(MUX_LODFRAC, MUX_TEXEL0+i); |
| 1159 | m_ColorTextureFlag[i] = MUX_LODFRAC; |
| 1160 | numofconst--; |
| 1161 | continue; |
| 1162 | } |
| 1163 | |
| 1164 | if( isUsed(MUX_PRIMLODFRAC) ) |
| 1165 | { |
| 1166 | ReplaceVal(MUX_PRIMLODFRAC, MUX_TEXEL0+i); |
| 1167 | m_ColorTextureFlag[i] = MUX_PRIMLODFRAC; |
| 1168 | numofconst--; |
| 1169 | continue; |
| 1170 | } |
| 1171 | } |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | #ifdef DEBUGGER |
| 1176 | extern const char *translatedCombTypes[]; |
| 1177 | void DecodedMux::DisplayMuxString(const char *prompt) |
| 1178 | { |
| 1179 | DebuggerAppendMsg("//Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName); |
| 1180 | Display(false); |
| 1181 | TRACE0("\n"); |
| 1182 | } |
| 1183 | |
| 1184 | void DecodedMux::DisplaySimpliedMuxString(const char *prompt) |
| 1185 | { |
| 1186 | DebuggerAppendMsg("//Simplied Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName); |
| 1187 | DebuggerAppendMsg("Simplied DWORDs=%08X, %08X, %08X, %08X", m_dWords[0],m_dWords[1],m_dWords[2],m_dWords[3]); |
| 1188 | Display(true); |
| 1189 | DebuggerAppendMsg("Simplfied type: %s", muxTypeStrs[mType]); |
| 1190 | if( m_dwShadeColorChannelFlag != 0 ) |
| 1191 | { |
| 1192 | if( m_dwShadeColorChannelFlag == MUX_ENV ) |
| 1193 | TRACE0("Shade = ENV in color channel") |
| 1194 | else if( m_dwShadeColorChannelFlag == MUX_PRIM ) |
| 1195 | TRACE0("Shade = PRIM in color channel") |
| 1196 | else if( m_dwShadeColorChannelFlag == MUX_LODFRAC ) |
| 1197 | TRACE0("Shade = MUX_LODFRAC in color channel") |
| 1198 | else if( m_dwShadeColorChannelFlag == MUX_PRIMLODFRAC ) |
| 1199 | TRACE0("Shade = MUX_PRIMLODFRAC in color channel") |
| 1200 | else |
| 1201 | DisplayConstantsWithShade(m_dwShadeColorChannelFlag,COLOR_CHANNEL); |
| 1202 | } |
| 1203 | if( m_dwShadeAlphaChannelFlag != 0 ) |
| 1204 | { |
| 1205 | if( m_dwShadeAlphaChannelFlag == MUX_ENV ) |
| 1206 | TRACE0("Shade = ENV in alpha channel") |
| 1207 | else if( m_dwShadeAlphaChannelFlag == MUX_PRIM ) |
| 1208 | TRACE0("Shade = PRIM in alpha channel") |
| 1209 | else if( m_dwShadeAlphaChannelFlag == MUX_LODFRAC ) |
| 1210 | TRACE0("Shade = MUX_LODFRAC in alpha channel") |
| 1211 | else if( m_dwShadeAlphaChannelFlag == MUX_PRIMLODFRAC ) |
| 1212 | TRACE0("Shade = MUX_PRIMLODFRAC in alpha channel") |
| 1213 | else |
| 1214 | DisplayConstantsWithShade(m_dwShadeAlphaChannelFlag,ALPHA_CHANNEL); |
| 1215 | } |
| 1216 | |
| 1217 | for( int i=0; i<2; i++ ) |
| 1218 | { |
| 1219 | if( m_ColorTextureFlag[i] != 0 ) |
| 1220 | { |
| 1221 | if( m_ColorTextureFlag[i] == MUX_ENV ) |
| 1222 | TRACE1("Tex %d = ENV", i) |
| 1223 | else if( m_ColorTextureFlag[i] == MUX_PRIM ) |
| 1224 | TRACE1("Tex %d = PRIM", i) |
| 1225 | else if( m_ColorTextureFlag[i] == MUX_LODFRAC ) |
| 1226 | TRACE1("Tex %d = MUX_LODFRAC", i) |
| 1227 | else if( m_ColorTextureFlag[i] == MUX_PRIMLODFRAC ) |
| 1228 | TRACE1("Tex %d = MUX_PRIMLODFRAC", i) |
| 1229 | } |
| 1230 | } |
| 1231 | |
| 1232 | |
| 1233 | TRACE0("\n"); |
| 1234 | } |
| 1235 | |
| 1236 | void DecodedMux::DisplayConstantsWithShade(uint32 flag,CombineChannel channel) |
| 1237 | { |
| 1238 | DebuggerAppendMsg("Shade = %08X in %s channel",flag,channel==COLOR_CHANNEL?"color":"alpha"); |
| 1239 | } |
| 1240 | #else |
| 1241 | |
| 1242 | extern const char *translatedCombTypes[]; |
| 1243 | void DecodedMux::LogMuxString(const char *prompt, FILE *fp) |
| 1244 | { |
| 1245 | fprintf(fp,"//Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName); |
| 1246 | Display(false,fp); |
| 1247 | TRACE0("\n"); |
| 1248 | } |
| 1249 | |
| 1250 | void DecodedMux::LogSimpliedMuxString(const char *prompt, FILE *fp) |
| 1251 | { |
| 1252 | fprintf(fp,"//Simplied Mux=0x%08x%08x\t%s in %s\n", m_dwMux0, m_dwMux1, prompt, g_curRomInfo.szGameName); |
| 1253 | fprintf(fp,"Simplied DWORDs=%08X, %08X, %08X, %08X\n", m_dWords[0],m_dWords[1],m_dWords[2],m_dWords[3]); |
| 1254 | Display(true,fp); |
| 1255 | fprintf(fp,"Simplfied type: %s", muxTypeStrs[mType]); |
| 1256 | if( m_dwShadeColorChannelFlag != 0 ) |
| 1257 | { |
| 1258 | if( m_dwShadeColorChannelFlag == MUX_ENV ) |
| 1259 | TRACE0("Shade = ENV in color channel") |
| 1260 | else if( m_dwShadeColorChannelFlag == MUX_PRIM ) |
| 1261 | TRACE0("Shade = PRIM in color channel") |
| 1262 | else if( m_dwShadeColorChannelFlag == MUX_LODFRAC ) |
| 1263 | TRACE0("Shade = MUX_LODFRAC in color channel") |
| 1264 | else if( m_dwShadeColorChannelFlag == MUX_PRIMLODFRAC ) |
| 1265 | TRACE0("Shade = MUX_PRIMLODFRAC in color channel") |
| 1266 | else |
| 1267 | LogConstantsWithShade(m_dwShadeColorChannelFlag,COLOR_CHANNEL,fp); |
| 1268 | } |
| 1269 | if( m_dwShadeAlphaChannelFlag != 0 ) |
| 1270 | { |
| 1271 | if( m_dwShadeAlphaChannelFlag == MUX_ENV ) |
| 1272 | TRACE0("Shade = ENV in alpha channel") |
| 1273 | else if( m_dwShadeAlphaChannelFlag == MUX_PRIM ) |
| 1274 | TRACE0("Shade = PRIM in alpha channel") |
| 1275 | else if( m_dwShadeAlphaChannelFlag == MUX_LODFRAC ) |
| 1276 | TRACE0("Shade = MUX_LODFRAC in alpha channel") |
| 1277 | else if( m_dwShadeAlphaChannelFlag == MUX_PRIMLODFRAC ) |
| 1278 | TRACE0("Shade = MUX_PRIMLODFRAC in alpha channel") |
| 1279 | else |
| 1280 | LogConstantsWithShade(m_dwShadeAlphaChannelFlag,ALPHA_CHANNEL,fp); |
| 1281 | } |
| 1282 | |
| 1283 | for( int i=0; i<2; i++ ) |
| 1284 | { |
| 1285 | if( m_ColorTextureFlag[i] != 0 ) |
| 1286 | { |
| 1287 | if( m_ColorTextureFlag[i] == MUX_ENV ) |
| 1288 | TRACE1("Tex %d = ENV", i) |
| 1289 | else if( m_ColorTextureFlag[i] == MUX_PRIM ) |
| 1290 | TRACE1("Tex %d = PRIM", i) |
| 1291 | else if( m_ColorTextureFlag[i] == MUX_LODFRAC ) |
| 1292 | TRACE1("Tex %d = MUX_LODFRAC", i) |
| 1293 | else if( m_ColorTextureFlag[i] == MUX_PRIMLODFRAC ) |
| 1294 | TRACE1("Tex %d = MUX_PRIMLODFRAC", i) |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | |
| 1299 | TRACE0("\n"); |
| 1300 | } |
| 1301 | |
| 1302 | void DecodedMux::LogConstantsWithShade(uint32 flag,CombineChannel channel, FILE *fp) |
| 1303 | { |
| 1304 | fprintf(fp,"Shade = %08X in %s channel",flag,channel==COLOR_CHANNEL?"color":"alpha"); |
| 1305 | } |
| 1306 | #endif |
| 1307 | |
| 1308 | |
| 1309 | void DecodedMux::To_AB_Add_CD_Format(void) // Use by TNT,Geforce |
| 1310 | { |
| 1311 | // This function should be called after calling reformat |
| 1312 | // This function will not be called by default, can be called optionally |
| 1313 | // by TNT/Geforce combiner compilers |
| 1314 | |
| 1315 | for( int i=0; i<2; i++ ) |
| 1316 | { |
| 1317 | N64CombinerType &m0 = m_n64Combiners[i]; |
| 1318 | N64CombinerType &m1 = m_n64Combiners[i+2]; |
| 1319 | switch( splitType[i] ) |
| 1320 | { |
| 1321 | case CM_FMT_TYPE_A_SUB_B_ADD_D: // = A-B+D can not map very well in 1 stage |
| 1322 | if( splitType[i+2] == CM_FMT_TYPE_NOT_USED ) |
| 1323 | { |
| 1324 | m1.a = m0.d; |
| 1325 | m1.d = MUX_COMBINED; |
| 1326 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1327 | |
| 1328 | m0.d = MUX_0; |
| 1329 | splitType[i] = CM_FMT_TYPE_A_SUB_B; |
| 1330 | } |
| 1331 | else if( splitType[i+2] == CM_FMT_TYPE_A_MOD_C ) |
| 1332 | { |
| 1333 | if( (m1.c&MUX_MASK) == MUX_COMBINED ) swap(m1.a, m1.c); |
| 1334 | m1.b = m1.d = m1.c; |
| 1335 | m1.c = (m0.d | (m1.a & (~MUX_MASK))); |
| 1336 | splitType[i+2] = CM_FMT_TYPE_AB_ADD_CD; |
| 1337 | |
| 1338 | m0.d = MUX_0; |
| 1339 | splitType[i] = CM_FMT_TYPE_A_SUB_B; |
| 1340 | } |
| 1341 | break; |
| 1342 | case CM_FMT_TYPE_A_SUB_B_MOD_C: // = (A-B)*C can not map very well in 1 stage |
| 1343 | m0.d = m0.b; |
| 1344 | m0.b = m0.c; |
| 1345 | splitType[i] = CM_FMT_TYPE_AB_SUB_CD; |
| 1346 | break; |
| 1347 | case CM_FMT_TYPE_A_ADD_B_MOD_C: // = (A+B)*C can not map very well in 1 stage |
| 1348 | m0.d = m0.b; |
| 1349 | m0.b = m0.c; |
| 1350 | splitType[i] = CM_FMT_TYPE_AB_ADD_CD; |
| 1351 | break; |
| 1352 | case CM_FMT_TYPE_A_B_C_D: // = (A-B)*C+D |
| 1353 | case CM_FMT_TYPE_A_B_C_A: // = (A-B)*C+D |
| 1354 | if( splitType[i+2] == CM_FMT_TYPE_NOT_USED ) |
| 1355 | { |
| 1356 | m1.a = m0.d; |
| 1357 | m1.d = MUX_COMBINED; |
| 1358 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1359 | |
| 1360 | m0.d = m0.b; |
| 1361 | m0.b = m0.c; |
| 1362 | splitType[i] = CM_FMT_TYPE_AB_SUB_CD; |
| 1363 | } |
| 1364 | else if( splitType[i+2] == CM_FMT_TYPE_A_MOD_C ) |
| 1365 | { |
| 1366 | if( (m1.c&MUX_MASK) == MUX_COMBINED ) swap(m1.a, m1.c); |
| 1367 | m1.b = m1.d = m1.c; |
| 1368 | m1.c = (m0.d | (m1.a & (~MUX_MASK))); |
| 1369 | splitType[i+2] = CM_FMT_TYPE_AB_ADD_CD; |
| 1370 | |
| 1371 | m0.d = m0.b; |
| 1372 | m0.b = m0.c; |
| 1373 | splitType[i] = CM_FMT_TYPE_AB_ADD_CD; |
| 1374 | } |
| 1375 | break; |
| 1376 | default: |
| 1377 | break; |
| 1378 | } |
| 1379 | } |
| 1380 | } |
| 1381 | |
| 1382 | void DecodedMux::To_AB_Add_C_Format(void) // Use by ATI Radeon |
| 1383 | { |
| 1384 | // This function should be called after calling reformat |
| 1385 | // This function will not be called by default, can be called optionally |
| 1386 | // by ATI combiner compilers |
| 1387 | } |
| 1388 | |
| 1389 | void DecodedMux::CheckCombineInCycle1(void) |
| 1390 | { |
| 1391 | if( isUsedInCycle(MUX_COMBINED,0,COLOR_CHANNEL) ) |
| 1392 | { |
| 1393 | ReplaceVal(MUX_COMBINED, MUX_SHADE, 0); |
| 1394 | } |
| 1395 | |
| 1396 | if( isUsedInCycle(MUX_COMBALPHA,0,COLOR_CHANNEL) ) |
| 1397 | { |
| 1398 | ReplaceVal(MUX_COMBALPHA, MUX_SHADE|MUX_ALPHAREPLICATE, 0); |
| 1399 | } |
| 1400 | |
| 1401 | if( isUsedInCycle(MUX_COMBINED,0,ALPHA_CHANNEL) ) |
| 1402 | { |
| 1403 | if( cA0 == MUX_COMBINED && cRGB0 == MUX_LODFRAC && bRGB0 == dRGB0 && bA0 == dA0 ) |
| 1404 | { |
| 1405 | cA0 = MUX_LODFRAC; |
| 1406 | } |
| 1407 | else |
| 1408 | { |
| 1409 | ReplaceVal(MUX_COMBINED, MUX_SHADE, 1); |
| 1410 | } |
| 1411 | } |
| 1412 | if( isUsedInCycle(MUX_COMBALPHA,0,ALPHA_CHANNEL) ) |
| 1413 | { |
| 1414 | ReplaceVal(MUX_COMBALPHA, MUX_SHADE, 1); |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | void DecodedMux::SplitComplexStages() |
| 1419 | { |
| 1420 | for( int i=0; i<2; i++) // Color channel and alpha channel |
| 1421 | { |
| 1422 | if( splitType[i+2] != CM_FMT_TYPE_NOT_USED ) |
| 1423 | continue; |
| 1424 | |
| 1425 | N64CombinerType &m = m_n64Combiners[i]; |
| 1426 | N64CombinerType &m2 = m_n64Combiners[i+2]; |
| 1427 | |
| 1428 | switch( splitType[i] ) |
| 1429 | { |
| 1430 | case CM_FMT_TYPE_A_MOD_C_ADD_D: // = A*C+D can mapped to MULTIPLYADD(arg1,arg2,arg0) |
| 1431 | m2.a = m.d; |
| 1432 | m2.d = MUX_COMBINED; |
| 1433 | m2.c = MUX_1; |
| 1434 | m2.b = 0; |
| 1435 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1436 | m.d = MUX_0; |
| 1437 | splitType[i] = CM_FMT_TYPE_A_MOD_C; |
| 1438 | break; |
| 1439 | case CM_FMT_TYPE_A_SUB_B_ADD_D: // = A-B+D can not map very well in 1 stage |
| 1440 | m2.a = m.d; |
| 1441 | m2.d = MUX_COMBINED; |
| 1442 | m2.c = MUX_1; |
| 1443 | m2.b=0; |
| 1444 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1445 | m.d = MUX_0; |
| 1446 | splitType[i] = CM_FMT_TYPE_A_SUB_B; |
| 1447 | break; |
| 1448 | case CM_FMT_TYPE_A_SUB_B_MOD_C: // = (A-B)*C can not map very well in 1 stage |
| 1449 | m2.a = m.c; |
| 1450 | m2.c = MUX_COMBINED; |
| 1451 | m2.d = m2.b=0; |
| 1452 | splitType[i+2] = CM_FMT_TYPE_A_MOD_C; |
| 1453 | m.c = MUX_1; |
| 1454 | splitType[i] = CM_FMT_TYPE_A_SUB_B; |
| 1455 | break; |
| 1456 | case CM_FMT_TYPE_A_ADD_B_MOD_C: // = (A+B)*C can not map very well in 1 stage |
| 1457 | m2.a = m.c; |
| 1458 | m2.c = MUX_COMBINED; |
| 1459 | m2.d = m2.b = 0; |
| 1460 | splitType[i+2] = CM_FMT_TYPE_A_MOD_C; |
| 1461 | m.c = MUX_1; |
| 1462 | m.d = m.b; |
| 1463 | m.b = MUX_0; |
| 1464 | splitType[i] = CM_FMT_TYPE_A_ADD_D; |
| 1465 | break; |
| 1466 | case CM_FMT_TYPE_A_B_C_D: // = (A-B)*C+D can not map very well in 1 stage |
| 1467 | m2.a = m.d; |
| 1468 | m2.d = MUX_COMBINED; |
| 1469 | m2.c = MUX_1; |
| 1470 | m2.b = 0; |
| 1471 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1472 | m.d = MUX_0; |
| 1473 | splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C; |
| 1474 | break; |
| 1475 | case CM_FMT_TYPE_A_B_C_A: // = (A-B)*C+A can not map very well in 1 stage |
| 1476 | m2.a = m.d; |
| 1477 | m2.d = MUX_COMBINED; |
| 1478 | m2.c = MUX_1; |
| 1479 | m2.b = 0; |
| 1480 | splitType[i+2] = CM_FMT_TYPE_A_ADD_D; |
| 1481 | m.d = MUX_0; |
| 1482 | splitType[i] = CM_FMT_TYPE_A_SUB_B_MOD_C; |
| 1483 | break; |
| 1484 | default: |
| 1485 | break; |
| 1486 | } |
| 1487 | } |
| 1488 | //Reformat(); |
| 1489 | //UseShadeForConstant(); |
| 1490 | } |
| 1491 | |
| 1492 | |
| 1493 | void DecodedMux::ConvertLODFracTo0() |
| 1494 | { |
| 1495 | ReplaceVal(MUX_LODFRAC,MUX_0); |
| 1496 | ReplaceVal(MUX_PRIMLODFRAC,MUX_0); |
| 1497 | } |
| 1498 | |
| 1499 | |
| 1500 | void DecodedMux::Hack(void) |
| 1501 | { |
| 1502 | if( options.enableHackForGames == HACK_FOR_TONYHAWK ) |
| 1503 | { |
| 1504 | if( gRSP.curTile == 1 ) |
| 1505 | { |
| 1506 | ReplaceVal(MUX_TEXEL1, MUX_TEXEL0); |
| 1507 | } |
| 1508 | } |
| 1509 | else if( options.enableHackForGames == HACK_FOR_ZELDA || options.enableHackForGames == HACK_FOR_ZELDA_MM) |
| 1510 | { |
| 1511 | if( m_dwMux1 == 0xfffd9238 && m_dwMux0 == 0x00ffadff ) |
| 1512 | { |
| 1513 | ReplaceVal(MUX_TEXEL1, MUX_TEXEL0); |
| 1514 | } |
| 1515 | else if( m_dwMux1 == 0xff5bfff8 && m_dwMux0 == 0x00121603 ) |
| 1516 | { |
| 1517 | // The Zelda road trace |
| 1518 | ReplaceVal(MUX_TEXEL1, MUX_0); |
| 1519 | } |
| 1520 | } |
| 1521 | else if( options.enableHackForGames == HACK_FOR_MARIO_TENNIS ) |
| 1522 | { |
| 1523 | if( m_dwMux1 == 0xffebdbc0 && m_dwMux0 == 0x00ffb9ff ) |
| 1524 | { |
| 1525 | // Player shadow |
| 1526 | //m_decodedMux.dRGB0 = MUX_TEXEL0; |
| 1527 | //m_decodedMux.dRGB1 = MUX_COMBINED; |
| 1528 | cA1 = MUX_TEXEL0; |
| 1529 | } |
| 1530 | } |
| 1531 | else if( options.enableHackForGames == HACK_FOR_MARIO_GOLF ) |
| 1532 | { |
| 1533 | // Hack for Mario Golf |
| 1534 | if( m_dwMux1 == 0xf1ffca7e || m_dwMux0 == 0x00115407 ) |
| 1535 | { |
| 1536 | // The grass |
| 1537 | ReplaceVal(MUX_TEXEL0, MUX_TEXEL1); |
| 1538 | } |
| 1539 | } |
| 1540 | else if( options.enableHackForGames == HACK_FOR_TOPGEARRALLY ) |
| 1541 | { |
| 1542 | //Mux=0x00317e025ffef3fa Used in TOP GEAR RALLY |
| 1543 | //Color0: (PRIM - ENV) * TEXEL1 + ENV |
| 1544 | //Color1: (COMBINED - 0) * TEXEL1 + 0 |
| 1545 | //Alpha0: (0 - 0) * 0 + TEXEL0 |
| 1546 | //Alpha1: (0 - 0) * 0 + TEXEL1 |
| 1547 | if( m_dwMux1 == 0x5ffef3fa || m_dwMux0 == 0x00317e02 ) |
| 1548 | { |
| 1549 | // The grass |
| 1550 | //ReplaceVal(MUX_TEXEL0, MUX_TEXEL1); |
| 1551 | dA1 = MUX_COMBINED; |
| 1552 | //aA1 = MUX_COMBINED; |
| 1553 | //cA1 = MUX_TEXEL1; |
| 1554 | //dA1 = MUX_0; |
| 1555 | cRGB1 = MUX_TEXEL0; |
| 1556 | } |
| 1557 | } |
| 1558 | } |
| 1559 | |