| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2010 PCSX4ALL Team * |
| 3 | * Copyright (C) 2010 Unai * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 2 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program; if not, write to the * |
| 17 | * Free Software Foundation, Inc., * |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 19 | ***************************************************************************/ |
| 20 | |
| 21 | #define GPU_TESTRANGE3() \ |
| 22 | { \ |
| 23 | if(x0<0) { if((x1-x0)>CHKMAX_X) return; if((x2-x0)>CHKMAX_X) return; } \ |
| 24 | if(x1<0) { if((x0-x1)>CHKMAX_X) return; if((x2-x1)>CHKMAX_X) return; } \ |
| 25 | if(x2<0) { if((x0-x2)>CHKMAX_X) return; if((x1-x2)>CHKMAX_X) return; } \ |
| 26 | if(y0<0) { if((y1-y0)>CHKMAX_Y) return; if((y2-y0)>CHKMAX_Y) return; } \ |
| 27 | if(y1<0) { if((y0-y1)>CHKMAX_Y) return; if((y2-y1)>CHKMAX_Y) return; } \ |
| 28 | if(y2<0) { if((y0-y2)>CHKMAX_Y) return; if((y1-y2)>CHKMAX_Y) return; } \ |
| 29 | } |
| 30 | |
| 31 | /////////////////////////////////////////////////////////////////////////////// |
| 32 | // GPU internal polygon drawing functions |
| 33 | |
| 34 | /////////////////////////////////////////////////////////////////////////////// |
| 35 | void gpuDrawF3(const PP gpuPolySpanDriver) |
| 36 | { |
| 37 | const int li=linesInterlace; |
| 38 | s32 temp; |
| 39 | s32 xa, xb, xmin, xmax; |
| 40 | s32 ya, yb, ymin, ymax; |
| 41 | s32 x0, x1, x2, x3, dx3=0, x4, dx4=0, dx; |
| 42 | s32 y0, y1, y2; |
| 43 | |
| 44 | x0 = GPU_EXPANDSIGN(PacketBuffer.S2[2]); |
| 45 | y0 = GPU_EXPANDSIGN(PacketBuffer.S2[3]); |
| 46 | x1 = GPU_EXPANDSIGN(PacketBuffer.S2[4]); |
| 47 | y1 = GPU_EXPANDSIGN(PacketBuffer.S2[5]); |
| 48 | x2 = GPU_EXPANDSIGN(PacketBuffer.S2[6]); |
| 49 | y2 = GPU_EXPANDSIGN(PacketBuffer.S2[7]); |
| 50 | |
| 51 | GPU_TESTRANGE3(); |
| 52 | |
| 53 | x0 += DrawingOffset[0]; x1 += DrawingOffset[0]; x2 += DrawingOffset[0]; |
| 54 | y0 += DrawingOffset[1]; y1 += DrawingOffset[1]; y2 += DrawingOffset[1]; |
| 55 | |
| 56 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
| 57 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
| 58 | |
| 59 | { |
| 60 | int rx0 = Max2(xmin,Min3(x0,x1,x2)); |
| 61 | int ry0 = Max2(ymin,Min3(y0,y1,y2)); |
| 62 | int rx1 = Min2(xmax,Max3(x0,x1,x2)); |
| 63 | int ry1 = Min2(ymax,Max3(y0,y1,y2)); |
| 64 | if( rx0>=rx1 || ry0>=ry1) return; |
| 65 | } |
| 66 | |
| 67 | PixelData = GPU_RGB16(PacketBuffer.U4[0]); |
| 68 | |
| 69 | if (y0 >= y1) |
| 70 | { |
| 71 | if( y0!=y1 || x0>x1 ) |
| 72 | { |
| 73 | GPU_SWAP(x0, x1, temp); |
| 74 | GPU_SWAP(y0, y1, temp); |
| 75 | } |
| 76 | } |
| 77 | if (y1 >= y2) |
| 78 | { |
| 79 | if( y1!=y2 || x1>x2 ) |
| 80 | { |
| 81 | GPU_SWAP(x1, x2, temp); |
| 82 | GPU_SWAP(y1, y2, temp); |
| 83 | } |
| 84 | } |
| 85 | if (y0 >= y1) |
| 86 | { |
| 87 | if( y0!=y1 || x0>x1 ) |
| 88 | { |
| 89 | GPU_SWAP(x0, x1, temp); |
| 90 | GPU_SWAP(y0, y1, temp); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | ya = y2 - y0; |
| 95 | yb = y2 - y1; |
| 96 | dx =(x2 - x1) * ya - (x2 - x0) * yb; |
| 97 | |
| 98 | for (s32 loop0 = 2; loop0; --loop0) |
| 99 | { |
| 100 | if (loop0 == 2) |
| 101 | { |
| 102 | ya = y0; |
| 103 | yb = y1; |
| 104 | x3 = i2x(x0); |
| 105 | x4 = y0!=y1 ? x3 : i2x(x1); |
| 106 | if (dx < 0) |
| 107 | { |
| 108 | dx3 = xLoDivx((x2 - x0), (y2 - y0)); |
| 109 | dx4 = xLoDivx((x1 - x0), (y1 - y0)); |
| 110 | } |
| 111 | else |
| 112 | { |
| 113 | dx3 = xLoDivx((x1 - x0), (y1 - y0)); |
| 114 | dx4 = xLoDivx((x2 - x0), (y2 - y0)); |
| 115 | } |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | ya = y1; |
| 120 | yb = y2; |
| 121 | if (dx < 0) |
| 122 | { |
| 123 | x4 = i2x(x1); |
| 124 | x3 = i2x(x0) + (dx3 * (y1 - y0)); |
| 125 | dx4 = xLoDivx((x2 - x1), (y2 - y1)); |
| 126 | } |
| 127 | else |
| 128 | { |
| 129 | x3 = i2x(x1); |
| 130 | x4 = i2x(x0) + (dx4 * (y1 - y0)); |
| 131 | dx3 = xLoDivx((x2 - x1), (y2 - y1)); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | temp = ymin - ya; |
| 136 | if (temp > 0) |
| 137 | { |
| 138 | ya = ymin; |
| 139 | x3 += dx3*temp; |
| 140 | x4 += dx4*temp; |
| 141 | } |
| 142 | if (yb > ymax) yb = ymax; |
| 143 | if (ya>=yb) continue; |
| 144 | |
| 145 | x3+= fixed_HALF; |
| 146 | x4+= fixed_HALF; |
| 147 | |
| 148 | u16* PixelBase = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(0, ya)]; |
| 149 | |
| 150 | for(;ya<yb;++ya, PixelBase += FRAME_WIDTH, x3+=dx3, x4+=dx4) |
| 151 | { |
| 152 | if (ya&li) continue; |
| 153 | xa = x2i(x3); |
| 154 | xb = x2i(x4); |
| 155 | if( (xa>xmax) || (xb<xmin) ) continue; |
| 156 | if(xa < xmin) xa = xmin; |
| 157 | if(xb > xmax) xb = xmax; |
| 158 | xb-=xa; |
| 159 | if(xb>0) gpuPolySpanDriver(PixelBase + xa,xb); |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | /*---------------------------------------------------------------------- |
| 165 | FT3 |
| 166 | ----------------------------------------------------------------------*/ |
| 167 | |
| 168 | void gpuDrawFT3(const PP gpuPolySpanDriver) |
| 169 | { |
| 170 | const int li=linesInterlace; |
| 171 | s32 temp; |
| 172 | s32 xa, xb, xmin, xmax; |
| 173 | s32 ya, yb, ymin, ymax; |
| 174 | s32 x0, x1, x2, x3, dx3=0, x4, dx4=0, dx; |
| 175 | s32 y0, y1, y2; |
| 176 | s32 u0, u1, u2, u3, du3=0; |
| 177 | s32 v0, v1, v2, v3, dv3=0; |
| 178 | |
| 179 | x0 = GPU_EXPANDSIGN(PacketBuffer.S2[2] ); |
| 180 | y0 = GPU_EXPANDSIGN(PacketBuffer.S2[3] ); |
| 181 | x1 = GPU_EXPANDSIGN(PacketBuffer.S2[6] ); |
| 182 | y1 = GPU_EXPANDSIGN(PacketBuffer.S2[7] ); |
| 183 | x2 = GPU_EXPANDSIGN(PacketBuffer.S2[10]); |
| 184 | y2 = GPU_EXPANDSIGN(PacketBuffer.S2[11]); |
| 185 | |
| 186 | GPU_TESTRANGE3(); |
| 187 | |
| 188 | x0 += DrawingOffset[0]; x1 += DrawingOffset[0]; x2 += DrawingOffset[0]; |
| 189 | y0 += DrawingOffset[1]; y1 += DrawingOffset[1]; y2 += DrawingOffset[1]; |
| 190 | |
| 191 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
| 192 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
| 193 | |
| 194 | { |
| 195 | int rx0 = Max2(xmin,Min3(x0,x1,x2)); |
| 196 | int ry0 = Max2(ymin,Min3(y0,y1,y2)); |
| 197 | int rx1 = Min2(xmax,Max3(x0,x1,x2)); |
| 198 | int ry1 = Min2(ymax,Max3(y0,y1,y2)); |
| 199 | if( rx0>=rx1 || ry0>=ry1) return; |
| 200 | } |
| 201 | |
| 202 | u0 = PacketBuffer.U1[8]; v0 = PacketBuffer.U1[9]; |
| 203 | u1 = PacketBuffer.U1[16]; v1 = PacketBuffer.U1[17]; |
| 204 | u2 = PacketBuffer.U1[24]; v2 = PacketBuffer.U1[25]; |
| 205 | |
| 206 | r4 = s32(PacketBuffer.U1[0]); |
| 207 | g4 = s32(PacketBuffer.U1[1]); |
| 208 | b4 = s32(PacketBuffer.U1[2]); |
| 209 | dr4 = dg4 = db4 = 0; |
| 210 | |
| 211 | if (y0 >= y1) |
| 212 | { |
| 213 | if( y0!=y1 || x0>x1 ) |
| 214 | { |
| 215 | GPU_SWAP(x0, x1, temp); |
| 216 | GPU_SWAP(y0, y1, temp); |
| 217 | GPU_SWAP(u0, u1, temp); |
| 218 | GPU_SWAP(v0, v1, temp); |
| 219 | } |
| 220 | } |
| 221 | if (y1 >= y2) |
| 222 | { |
| 223 | if( y1!=y2 || x1>x2 ) |
| 224 | { |
| 225 | GPU_SWAP(x1, x2, temp); |
| 226 | GPU_SWAP(y1, y2, temp); |
| 227 | GPU_SWAP(u1, u2, temp); |
| 228 | GPU_SWAP(v1, v2, temp); |
| 229 | } |
| 230 | } |
| 231 | if (y0 >= y1) |
| 232 | { |
| 233 | if( y0!=y1 || x0>x1 ) |
| 234 | { |
| 235 | GPU_SWAP(x0, x1, temp); |
| 236 | GPU_SWAP(y0, y1, temp); |
| 237 | GPU_SWAP(u0, u1, temp); |
| 238 | GPU_SWAP(v0, v1, temp); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | ya = y2 - y0; |
| 243 | yb = y2 - y1; |
| 244 | dx = (x2 - x1) * ya - (x2 - x0) * yb; |
| 245 | du4 = (u2 - u1) * ya - (u2 - u0) * yb; |
| 246 | dv4 = (v2 - v1) * ya - (v2 - v0) * yb; |
| 247 | |
| 248 | s32 iF,iS; |
| 249 | xInv( dx, iF, iS); |
| 250 | du4 = xInvMulx( du4, iF, iS); |
| 251 | dv4 = xInvMulx( dv4, iF, iS); |
| 252 | tInc = ((u32)(du4<<7)&0x7fff0000) | ((u32)(dv4>>9)&0x00007fff); |
| 253 | tMsk = (TextureWindow[2]<<23) | (TextureWindow[3]<<7) | 0x00ff00ff; |
| 254 | |
| 255 | for (s32 loop0 = 2; loop0; --loop0) |
| 256 | { |
| 257 | if (loop0 == 2) |
| 258 | { |
| 259 | ya = y0; |
| 260 | yb = y1; |
| 261 | u3 = i2x(u0); |
| 262 | v3 = i2x(v0); |
| 263 | x3 = i2x(x0); |
| 264 | x4 = y0!=y1 ? x3 : i2x(x1); |
| 265 | if (dx < 0) |
| 266 | { |
| 267 | xInv( (y2 - y0), iF, iS); |
| 268 | dx3 = xInvMulx( (x2 - x0), iF, iS); |
| 269 | du3 = xInvMulx( (u2 - u0), iF, iS); |
| 270 | dv3 = xInvMulx( (v2 - v0), iF, iS); |
| 271 | dx4 = xLoDivx ( (x1 - x0), (y1 - y0)); |
| 272 | } |
| 273 | else |
| 274 | { |
| 275 | xInv( (y1 - y0), iF, iS); |
| 276 | dx3 = xInvMulx( (x1 - x0), iF, iS); |
| 277 | du3 = xInvMulx( (u1 - u0), iF, iS); |
| 278 | dv3 = xInvMulx( (v1 - v0), iF, iS); |
| 279 | dx4 = xLoDivx ( (x2 - x0), (y2 - y0)); |
| 280 | } |
| 281 | } |
| 282 | else |
| 283 | { |
| 284 | ya = y1; |
| 285 | yb = y2; |
| 286 | if (dx < 0) |
| 287 | { |
| 288 | temp = y1 - y0; |
| 289 | u3 = i2x(u0) + (du3 * temp); |
| 290 | v3 = i2x(v0) + (dv3 * temp); |
| 291 | x3 = i2x(x0) + (dx3 * temp); |
| 292 | x4 = i2x(x1); |
| 293 | dx4 = xLoDivx((x2 - x1), (y2 - y1)); |
| 294 | } |
| 295 | else |
| 296 | { |
| 297 | u3 = i2x(u1); |
| 298 | v3 = i2x(v1); |
| 299 | x3 = i2x(x1); |
| 300 | x4 = i2x(x0) + (dx4 * (y1 - y0)); |
| 301 | xInv( (y2 - y1), iF, iS); |
| 302 | dx3 = xInvMulx( (x2 - x1), iF, iS); |
| 303 | du3 = xInvMulx( (u2 - u1), iF, iS); |
| 304 | dv3 = xInvMulx( (v2 - v1), iF, iS); |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | temp = ymin - ya; |
| 309 | if (temp > 0) |
| 310 | { |
| 311 | ya = ymin; |
| 312 | x3 += dx3*temp; |
| 313 | x4 += dx4*temp; |
| 314 | u3 += du3*temp; |
| 315 | v3 += dv3*temp; |
| 316 | } |
| 317 | if (yb > ymax) yb = ymax; |
| 318 | if (ya>=yb) continue; |
| 319 | |
| 320 | x3+= fixed_HALF; |
| 321 | x4+= fixed_HALF; |
| 322 | u3+= fixed_HALF; |
| 323 | v4+= fixed_HALF; |
| 324 | |
| 325 | u16* PixelBase = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(0, ya)]; |
| 326 | |
| 327 | for(;ya<yb;++ya, PixelBase += FRAME_WIDTH, x3+=dx3, x4+=dx4, u3+=du3, v3+=dv3) |
| 328 | { |
| 329 | if (ya&li) continue; |
| 330 | xa = x2i(x3); |
| 331 | xb = x2i(x4); |
| 332 | if( (xa>xmax) || (xb<xmin) ) continue; |
| 333 | |
| 334 | temp = xmin - xa; |
| 335 | if(temp > 0) |
| 336 | { |
| 337 | xa = xmin; |
| 338 | u4 = u3 + du4*temp; |
| 339 | v4 = v3 + dv4*temp; |
| 340 | } |
| 341 | else |
| 342 | { |
| 343 | u4 = u3; |
| 344 | v4 = v3; |
| 345 | } |
| 346 | if(xb > xmax) xb = xmax; |
| 347 | xb-=xa; |
| 348 | if(xb>0) gpuPolySpanDriver(PixelBase + xa,xb); |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | /*---------------------------------------------------------------------- |
| 354 | G3 |
| 355 | ----------------------------------------------------------------------*/ |
| 356 | |
| 357 | void gpuDrawG3(const PP gpuPolySpanDriver) |
| 358 | { |
| 359 | const int li=linesInterlace; |
| 360 | s32 temp; |
| 361 | s32 xa, xb, xmin, xmax; |
| 362 | s32 ya, yb, ymin, ymax; |
| 363 | s32 x0, x1, x2, x3, dx3=0, x4, dx4=0, dx; |
| 364 | s32 y0, y1, y2; |
| 365 | s32 r0, r1, r2, r3, dr3=0; |
| 366 | s32 g0, g1, g2, g3, dg3=0; |
| 367 | s32 b0, b1, b2, b3, db3=0; |
| 368 | |
| 369 | x0 = GPU_EXPANDSIGN(PacketBuffer.S2[2] ); |
| 370 | y0 = GPU_EXPANDSIGN(PacketBuffer.S2[3] ); |
| 371 | x1 = GPU_EXPANDSIGN(PacketBuffer.S2[6] ); |
| 372 | y1 = GPU_EXPANDSIGN(PacketBuffer.S2[7] ); |
| 373 | x2 = GPU_EXPANDSIGN(PacketBuffer.S2[10]); |
| 374 | y2 = GPU_EXPANDSIGN(PacketBuffer.S2[11]); |
| 375 | |
| 376 | GPU_TESTRANGE3(); |
| 377 | |
| 378 | x0 += DrawingOffset[0]; x1 += DrawingOffset[0]; x2 += DrawingOffset[0]; |
| 379 | y0 += DrawingOffset[1]; y1 += DrawingOffset[1]; y2 += DrawingOffset[1]; |
| 380 | |
| 381 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
| 382 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
| 383 | |
| 384 | { |
| 385 | int rx0 = Max2(xmin,Min3(x0,x1,x2)); |
| 386 | int ry0 = Max2(ymin,Min3(y0,y1,y2)); |
| 387 | int rx1 = Min2(xmax,Max3(x0,x1,x2)); |
| 388 | int ry1 = Min2(ymax,Max3(y0,y1,y2)); |
| 389 | if( rx0>=rx1 || ry0>=ry1) return; |
| 390 | } |
| 391 | |
| 392 | r0 = PacketBuffer.U1[0]; g0 = PacketBuffer.U1[1]; b0 = PacketBuffer.U1[2]; |
| 393 | r1 = PacketBuffer.U1[8]; g1 = PacketBuffer.U1[9]; b1 = PacketBuffer.U1[10]; |
| 394 | r2 = PacketBuffer.U1[16]; g2 = PacketBuffer.U1[17]; b2 = PacketBuffer.U1[18]; |
| 395 | |
| 396 | if (y0 >= y1) |
| 397 | { |
| 398 | if( y0!=y1 || x0>x1 ) |
| 399 | { |
| 400 | GPU_SWAP(x0, x1, temp); GPU_SWAP(y0, y1, temp); |
| 401 | GPU_SWAP(r0, r1, temp); GPU_SWAP(g0, g1, temp); GPU_SWAP(b0, b1, temp); |
| 402 | } |
| 403 | } |
| 404 | if (y1 >= y2) |
| 405 | { |
| 406 | if( y1!=y2 || x1>x2 ) |
| 407 | { |
| 408 | GPU_SWAP(x1, x2, temp); GPU_SWAP(y1, y2, temp); |
| 409 | GPU_SWAP(r1, r2, temp); GPU_SWAP(g1, g2, temp); GPU_SWAP(b1, b2, temp); |
| 410 | } |
| 411 | } |
| 412 | if (y0 >= y1) |
| 413 | { |
| 414 | if( y0!=y1 || x0>x1 ) |
| 415 | { |
| 416 | GPU_SWAP(x0, x1, temp); GPU_SWAP(y0, y1, temp); |
| 417 | GPU_SWAP(r0, r1, temp); GPU_SWAP(g0, g1, temp); GPU_SWAP(b0, b1, temp); |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | ya = y2 - y0; |
| 422 | yb = y2 - y1; |
| 423 | dx = (x2 - x1) * ya - (x2 - x0) * yb; |
| 424 | dr4 = (r2 - r1) * ya - (r2 - r0) * yb; |
| 425 | dg4 = (g2 - g1) * ya - (g2 - g0) * yb; |
| 426 | db4 = (b2 - b1) * ya - (b2 - b0) * yb; |
| 427 | |
| 428 | s32 iF,iS; |
| 429 | xInv( dx, iF, iS); |
| 430 | dr4 = xInvMulx( dr4, iF, iS); |
| 431 | dg4 = xInvMulx( dg4, iF, iS); |
| 432 | db4 = xInvMulx( db4, iF, iS); |
| 433 | u32 dr = (u32)(dr4<< 8)&(0xffffffff<<21); if(dr4<0) dr+= 1<<21; |
| 434 | u32 dg = (u32)(dg4>> 3)&(0xffffffff<<10); if(dg4<0) dg+= 1<<10; |
| 435 | u32 db = (u32)(db4>>14)&(0xffffffff ); if(db4<0) db+= 1<< 0; |
| 436 | lInc = db + dg + dr; |
| 437 | |
| 438 | for (s32 loop0 = 2; loop0; --loop0) |
| 439 | { |
| 440 | if (loop0 == 2) |
| 441 | { |
| 442 | ya = y0; |
| 443 | yb = y1; |
| 444 | r3 = i2x(r0); |
| 445 | g3 = i2x(g0); |
| 446 | b3 = i2x(b0); |
| 447 | x3 = i2x(x0); |
| 448 | x4 = y0!=y1 ? x3 : i2x(x1); |
| 449 | if (dx < 0) |
| 450 | { |
| 451 | xInv( (y2 - y0), iF, iS); |
| 452 | dx3 = xInvMulx( (x2 - x0), iF, iS); |
| 453 | dr3 = xInvMulx( (r2 - r0), iF, iS); |
| 454 | dg3 = xInvMulx( (g2 - g0), iF, iS); |
| 455 | db3 = xInvMulx( (b2 - b0), iF, iS); |
| 456 | dx4 = xLoDivx ( (x1 - x0), (y1 - y0)); |
| 457 | } |
| 458 | else |
| 459 | { |
| 460 | xInv( (y1 - y0), iF, iS); |
| 461 | dx3 = xInvMulx( (x1 - x0), iF, iS); |
| 462 | dr3 = xInvMulx( (r1 - r0), iF, iS); |
| 463 | dg3 = xInvMulx( (g1 - g0), iF, iS); |
| 464 | db3 = xInvMulx( (b1 - b0), iF, iS); |
| 465 | dx4 = xLoDivx ( (x2 - x0), (y2 - y0)); |
| 466 | } |
| 467 | } |
| 468 | else |
| 469 | { |
| 470 | ya = y1; |
| 471 | yb = y2; |
| 472 | if (dx < 0) |
| 473 | { |
| 474 | temp = y1 - y0; |
| 475 | r3 = i2x(r0) + (dr3 * temp); |
| 476 | g3 = i2x(g0) + (dg3 * temp); |
| 477 | b3 = i2x(b0) + (db3 * temp); |
| 478 | x3 = i2x(x0) + (dx3 * temp); |
| 479 | x4 = i2x(x1); |
| 480 | dx4 = xLoDivx((x2 - x1), (y2 - y1)); |
| 481 | } |
| 482 | else |
| 483 | { |
| 484 | r3 = i2x(r1); |
| 485 | g3 = i2x(g1); |
| 486 | b3 = i2x(b1); |
| 487 | x3 = i2x(x1); |
| 488 | x4 = i2x(x0) + (dx4 * (y1 - y0)); |
| 489 | |
| 490 | xInv( (y2 - y1), iF, iS); |
| 491 | dx3 = xInvMulx( (x2 - x1), iF, iS); |
| 492 | dr3 = xInvMulx( (r2 - r1), iF, iS); |
| 493 | dg3 = xInvMulx( (g2 - g1), iF, iS); |
| 494 | db3 = xInvMulx( (b2 - b1), iF, iS); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | temp = ymin - ya; |
| 499 | if (temp > 0) |
| 500 | { |
| 501 | ya = ymin; |
| 502 | x3 += dx3*temp; x4 += dx4*temp; |
| 503 | r3 += dr3*temp; g3 += dg3*temp; b3 += db3*temp; |
| 504 | } |
| 505 | if (yb > ymax) yb = ymax; |
| 506 | if (ya>=yb) continue; |
| 507 | |
| 508 | x3+= fixed_HALF; x4+= fixed_HALF; |
| 509 | r3+= fixed_HALF; g3+= fixed_HALF; b3+= fixed_HALF; |
| 510 | |
| 511 | u16* PixelBase = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(0, ya)]; |
| 512 | |
| 513 | for(;ya<yb;++ya, PixelBase += FRAME_WIDTH, x3+=dx3, x4+=dx4, r3+=dr3, g3+=dg3, b3+=db3) |
| 514 | { |
| 515 | if (ya&li) continue; |
| 516 | xa = x2i(x3); |
| 517 | xb = x2i(x4); |
| 518 | if( (xa>xmax) || (xb<xmin) ) continue; |
| 519 | |
| 520 | temp = xmin - xa; |
| 521 | if(temp > 0) |
| 522 | { |
| 523 | xa = xmin; |
| 524 | r4 = r3 + dr4*temp; g4 = g3 + dg4*temp; b4 = b3 + db4*temp; |
| 525 | } |
| 526 | else |
| 527 | { |
| 528 | r4 = r3; g4 = g3; b4 = b3; |
| 529 | } |
| 530 | if(xb > xmax) xb = xmax; |
| 531 | xb-=xa; |
| 532 | if(xb>0) gpuPolySpanDriver(PixelBase + xa,xb); |
| 533 | } |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | /*---------------------------------------------------------------------- |
| 538 | GT3 |
| 539 | ----------------------------------------------------------------------*/ |
| 540 | |
| 541 | void gpuDrawGT3(const PP gpuPolySpanDriver) |
| 542 | { |
| 543 | const int li=linesInterlace; |
| 544 | s32 temp; |
| 545 | s32 xa, xb, xmin, xmax; |
| 546 | s32 ya, yb, ymin, ymax; |
| 547 | s32 x0, x1, x2, x3, dx3=0, x4, dx4=0, dx; |
| 548 | s32 y0, y1, y2; |
| 549 | s32 u0, u1, u2, u3, du3=0; |
| 550 | s32 v0, v1, v2, v3, dv3=0; |
| 551 | s32 r0, r1, r2, r3, dr3=0; |
| 552 | s32 g0, g1, g2, g3, dg3=0; |
| 553 | s32 b0, b1, b2, b3, db3=0; |
| 554 | |
| 555 | x0 = GPU_EXPANDSIGN(PacketBuffer.S2[2] ); |
| 556 | y0 = GPU_EXPANDSIGN(PacketBuffer.S2[3] ); |
| 557 | x1 = GPU_EXPANDSIGN(PacketBuffer.S2[8] ); |
| 558 | y1 = GPU_EXPANDSIGN(PacketBuffer.S2[9] ); |
| 559 | x2 = GPU_EXPANDSIGN(PacketBuffer.S2[14]); |
| 560 | y2 = GPU_EXPANDSIGN(PacketBuffer.S2[15]); |
| 561 | |
| 562 | GPU_TESTRANGE3(); |
| 563 | |
| 564 | x0 += DrawingOffset[0]; x1 += DrawingOffset[0]; x2 += DrawingOffset[0]; |
| 565 | y0 += DrawingOffset[1]; y1 += DrawingOffset[1]; y2 += DrawingOffset[1]; |
| 566 | |
| 567 | xmin = DrawingArea[0]; xmax = DrawingArea[2]; |
| 568 | ymin = DrawingArea[1]; ymax = DrawingArea[3]; |
| 569 | |
| 570 | { |
| 571 | int rx0 = Max2(xmin,Min3(x0,x1,x2)); |
| 572 | int ry0 = Max2(ymin,Min3(y0,y1,y2)); |
| 573 | int rx1 = Min2(xmax,Max3(x0,x1,x2)); |
| 574 | int ry1 = Min2(ymax,Max3(y0,y1,y2)); |
| 575 | if( rx0>=rx1 || ry0>=ry1) return; |
| 576 | } |
| 577 | |
| 578 | r0 = PacketBuffer.U1[0]; g0 = PacketBuffer.U1[1]; b0 = PacketBuffer.U1[2]; |
| 579 | u0 = PacketBuffer.U1[8]; v0 = PacketBuffer.U1[9]; |
| 580 | r1 = PacketBuffer.U1[12]; g1 = PacketBuffer.U1[13]; b1 = PacketBuffer.U1[14]; |
| 581 | u1 = PacketBuffer.U1[20]; v1 = PacketBuffer.U1[21]; |
| 582 | r2 = PacketBuffer.U1[24]; g2 = PacketBuffer.U1[25]; b2 = PacketBuffer.U1[26]; |
| 583 | u2 = PacketBuffer.U1[32]; v2 = PacketBuffer.U1[33]; |
| 584 | |
| 585 | if (y0 >= y1) |
| 586 | { |
| 587 | if( y0!=y1 || x0>x1 ) |
| 588 | { |
| 589 | GPU_SWAP(x0, x1, temp); GPU_SWAP(y0, y1, temp); |
| 590 | GPU_SWAP(u0, u1, temp); GPU_SWAP(v0, v1, temp); |
| 591 | GPU_SWAP(r0, r1, temp); GPU_SWAP(g0, g1, temp); GPU_SWAP(b0, b1, temp); |
| 592 | } |
| 593 | } |
| 594 | if (y1 >= y2) |
| 595 | { |
| 596 | if( y1!=y2 || x1>x2 ) |
| 597 | { |
| 598 | GPU_SWAP(x1, x2, temp); GPU_SWAP(y1, y2, temp); |
| 599 | GPU_SWAP(u1, u2, temp); GPU_SWAP(v1, v2, temp); |
| 600 | GPU_SWAP(r1, r2, temp); GPU_SWAP(g1, g2, temp); GPU_SWAP(b1, b2, temp); |
| 601 | } |
| 602 | } |
| 603 | if (y0 >= y1) |
| 604 | { |
| 605 | if( y0!=y1 || x0>x1 ) |
| 606 | { |
| 607 | GPU_SWAP(x0, x1, temp); GPU_SWAP(y0, y1, temp); |
| 608 | GPU_SWAP(u0, u1, temp); GPU_SWAP(v0, v1, temp); |
| 609 | GPU_SWAP(r0, r1, temp); GPU_SWAP(g0, g1, temp); GPU_SWAP(b0, b1, temp); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | ya = y2 - y0; |
| 614 | yb = y2 - y1; |
| 615 | dx = (x2 - x1) * ya - (x2 - x0) * yb; |
| 616 | du4 = (u2 - u1) * ya - (u2 - u0) * yb; |
| 617 | dv4 = (v2 - v1) * ya - (v2 - v0) * yb; |
| 618 | dr4 = (r2 - r1) * ya - (r2 - r0) * yb; |
| 619 | dg4 = (g2 - g1) * ya - (g2 - g0) * yb; |
| 620 | db4 = (b2 - b1) * ya - (b2 - b0) * yb; |
| 621 | |
| 622 | s32 iF,iS; |
| 623 | |
| 624 | xInv( dx, iF, iS); |
| 625 | du4 = xInvMulx( du4, iF, iS); |
| 626 | dv4 = xInvMulx( dv4, iF, iS); |
| 627 | dr4 = xInvMulx( dr4, iF, iS); |
| 628 | dg4 = xInvMulx( dg4, iF, iS); |
| 629 | db4 = xInvMulx( db4, iF, iS); |
| 630 | u32 dr = (u32)(dr4<< 8)&(0xffffffff<<21); if(dr4<0) dr+= 1<<21; |
| 631 | u32 dg = (u32)(dg4>> 3)&(0xffffffff<<10); if(dg4<0) dg+= 1<<10; |
| 632 | u32 db = (u32)(db4>>14)&(0xffffffff ); if(db4<0) db+= 1<< 0; |
| 633 | lInc = db + dg + dr; |
| 634 | tInc = ((u32)(du4<<7)&0x7fff0000) | ((u32)(dv4>>9)&0x00007fff); |
| 635 | tMsk = (TextureWindow[2]<<23) | (TextureWindow[3]<<7) | 0x00ff00ff; |
| 636 | |
| 637 | for (s32 loop0 = 2; loop0; --loop0) |
| 638 | { |
| 639 | if (loop0 == 2) |
| 640 | { |
| 641 | ya = y0; |
| 642 | yb = y1; |
| 643 | u3 = i2x(u0); |
| 644 | v3 = i2x(v0); |
| 645 | r3 = i2x(r0); |
| 646 | g3 = i2x(g0); |
| 647 | b3 = i2x(b0); |
| 648 | x3 = i2x(x0); |
| 649 | x4 = y0!=y1 ? x3 : i2x(x1); |
| 650 | if (dx < 0) |
| 651 | { |
| 652 | xInv( (y2 - y0), iF, iS); |
| 653 | dx3 = xInvMulx( (x2 - x0), iF, iS); |
| 654 | du3 = xInvMulx( (u2 - u0), iF, iS); |
| 655 | dv3 = xInvMulx( (v2 - v0), iF, iS); |
| 656 | dr3 = xInvMulx( (r2 - r0), iF, iS); |
| 657 | dg3 = xInvMulx( (g2 - g0), iF, iS); |
| 658 | db3 = xInvMulx( (b2 - b0), iF, iS); |
| 659 | dx4 = xLoDivx ( (x1 - x0), (y1 - y0)); |
| 660 | } |
| 661 | else |
| 662 | { |
| 663 | xInv( (y1 - y0), iF, iS); |
| 664 | dx3 = xInvMulx( (x1 - x0), iF, iS); |
| 665 | du3 = xInvMulx( (u1 - u0), iF, iS); |
| 666 | dv3 = xInvMulx( (v1 - v0), iF, iS); |
| 667 | dr3 = xInvMulx( (r1 - r0), iF, iS); |
| 668 | dg3 = xInvMulx( (g1 - g0), iF, iS); |
| 669 | db3 = xInvMulx( (b1 - b0), iF, iS); |
| 670 | dx4 = xLoDivx ( (x2 - x0), (y2 - y0)); |
| 671 | } |
| 672 | } |
| 673 | else |
| 674 | { |
| 675 | ya = y1; |
| 676 | yb = y2; |
| 677 | if (dx < 0) |
| 678 | { |
| 679 | temp = y1 - y0; |
| 680 | u3 = i2x(u0) + (du3 * temp); |
| 681 | v3 = i2x(v0) + (dv3 * temp); |
| 682 | r3 = i2x(r0) + (dr3 * temp); |
| 683 | g3 = i2x(g0) + (dg3 * temp); |
| 684 | b3 = i2x(b0) + (db3 * temp); |
| 685 | x3 = i2x(x0) + (dx3 * temp); |
| 686 | x4 = i2x(x1); |
| 687 | dx4 = xLoDivx((x2 - x1), (y2 - y1)); |
| 688 | } |
| 689 | else |
| 690 | { |
| 691 | u3 = i2x(u1); |
| 692 | v3 = i2x(v1); |
| 693 | r3 = i2x(r1); |
| 694 | g3 = i2x(g1); |
| 695 | b3 = i2x(b1); |
| 696 | x3 = i2x(x1); |
| 697 | x4 = i2x(x0) + (dx4 * (y1 - y0)); |
| 698 | |
| 699 | xInv( (y2 - y1), iF, iS); |
| 700 | dx3 = xInvMulx( (x2 - x1), iF, iS); |
| 701 | du3 = xInvMulx( (u2 - u1), iF, iS); |
| 702 | dv3 = xInvMulx( (v2 - v1), iF, iS); |
| 703 | dr3 = xInvMulx( (r2 - r1), iF, iS); |
| 704 | dg3 = xInvMulx( (g2 - g1), iF, iS); |
| 705 | db3 = xInvMulx( (b2 - b1), iF, iS); |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | temp = ymin - ya; |
| 710 | if (temp > 0) |
| 711 | { |
| 712 | ya = ymin; |
| 713 | x3 += dx3*temp; x4 += dx4*temp; |
| 714 | u3 += du3*temp; v3 += dv3*temp; |
| 715 | r3 += dr3*temp; g3 += dg3*temp; b3 += db3*temp; |
| 716 | } |
| 717 | if (yb > ymax) yb = ymax; |
| 718 | if (ya>=yb) continue; |
| 719 | |
| 720 | x3+= fixed_HALF; x4+= fixed_HALF; |
| 721 | u3+= fixed_HALF; v4+= fixed_HALF; |
| 722 | r3+= fixed_HALF; g3+= fixed_HALF; b3+= fixed_HALF; |
| 723 | u16* PixelBase = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(0, ya)]; |
| 724 | |
| 725 | for(;ya<yb;++ya, PixelBase += FRAME_WIDTH, x3+=dx3, x4+=dx4, u3+=du3, v3+=dv3, r3+=dr3, g3+=dg3, b3+=db3) |
| 726 | { |
| 727 | if (ya&li) continue; |
| 728 | xa = x2i(x3); |
| 729 | xb = x2i(x4); |
| 730 | if( (xa>xmax) || (xb<xmin)) continue; |
| 731 | |
| 732 | temp = xmin - xa; |
| 733 | if(temp > 0) |
| 734 | { |
| 735 | xa = xmin; |
| 736 | u4 = u3 + du4*temp; v4 = v3 + dv4*temp; |
| 737 | r4 = r3 + dr4*temp; g4 = g3 + dg4*temp; b4 = b3 + db4*temp; |
| 738 | } |
| 739 | else |
| 740 | { |
| 741 | u4 = u3; v4 = v3; |
| 742 | r4 = r3; g4 = g3; b4 = b3; |
| 743 | } |
| 744 | if(xb > xmax) xb = xmax; |
| 745 | xb-=xa; |
| 746 | if(xb>0) gpuPolySpanDriver(PixelBase + xa,xb); |
| 747 | } |
| 748 | } |
| 749 | } |