| 86aad47b |
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 | #include "gpu.h" |
| 22 | #include "port.h" |
| 23 | #include "profiler.h" |
| 24 | #include "debug.h" |
| 25 | |
| 26 | int skipCount = 2; /* frame skip (0,1,2,3...) */ |
| 27 | int skCount=0; /* internal frame skip */ |
| 28 | int linesInterlace = 0; /* internal lines interlace */ |
| 29 | int linesInterlace_user = 0; /* Lines interlace */ |
| 30 | |
| 31 | bool isSkip=false; /* skip frame (info coming from GPU) */ |
| 32 | bool skipFrame=false; /* skip frame (according to frame skip) */ |
| 33 | bool alt_fps = false; /* Alternative FPS algorithm */ |
| 34 | bool show_fps = false; /* Show FPS statistics */ |
| 35 | |
| 36 | bool isPAL=false; /* PAL video timing */ |
| 37 | bool progressInterlace_flag = false; /* Progressive interlace flag */ |
| 38 | bool progressInterlace = false; /* Progressive interlace option*/ |
| 39 | bool frameLimit = false; /* frames to wait */ |
| 40 | bool light = true; /* lighting */ |
| 41 | bool blend = true; /* blending */ |
| 42 | |
| 43 | bool enableAbbeyHack = false; /* Abe's Odyssey hack */ |
| 44 | u8 BLEND_MODE; |
| 45 | u8 TEXT_MODE; |
| 46 | u8 Masking; |
| 47 | |
| 48 | u16 PixelMSB; |
| 49 | u16 PixelData; |
| 50 | |
| 51 | /////////////////////////////////////////////////////////////////////////////// |
| 52 | // GPU Global data |
| 53 | /////////////////////////////////////////////////////////////////////////////// |
| 54 | |
| 55 | /////////////////////////////////////////////////////////////////////////////// |
| 56 | // Dma Transfers info |
| 57 | s32 px,py; |
| 58 | s32 x_end,y_end; |
| 59 | u16* pvram; |
| 60 | |
| 61 | u32 FrameToRead; |
| 62 | u32 FrameToWrite; |
| 63 | |
| 64 | u32 GP0; |
| 65 | s32 PacketCount; |
| 66 | s32 PacketIndex; |
| 67 | |
| 68 | /////////////////////////////////////////////////////////////////////////////// |
| 69 | // Display status |
| 70 | u32 DisplayArea [6]; |
| 71 | |
| 72 | /////////////////////////////////////////////////////////////////////////////// |
| 73 | // Rasterizer status |
| 74 | u32 TextureWindow [4]; |
| 75 | u32 DrawingArea [4]; |
| 76 | u32 DrawingOffset [2]; |
| 77 | |
| 78 | /////////////////////////////////////////////////////////////////////////////// |
| 79 | // Rasterizer status |
| 80 | |
| 81 | u16* TBA; |
| 82 | u16* CBA; |
| 83 | |
| 84 | /////////////////////////////////////////////////////////////////////////////// |
| 85 | // Inner Loops |
| 86 | s32 u4, du4; |
| 87 | s32 v4, dv4; |
| 88 | s32 r4, dr4; |
| 89 | s32 g4, dg4; |
| 90 | s32 b4, db4; |
| 91 | u32 lInc; |
| 92 | u32 tInc, tMsk; |
| 93 | |
| 94 | GPUPacket PacketBuffer; |
| 95 | u16 GPU_FrameBuffer[FRAME_BUFFER_SIZE/2]; // FRAME_BUFFER_SIZE is defined in bytes |
| 96 | u32 GPU_GP1; |
| 97 | |
| 98 | /////////////////////////////////////////////////////////////////////////////// |
| 99 | // Inner loop driver instanciation file |
| 100 | #include "gpu_inner.h" |
| 101 | |
| 102 | /////////////////////////////////////////////////////////////////////////////// |
| 103 | // GPU Raster Macros |
| 104 | #define GPU_RGB16(rgb) ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3)) |
| 105 | |
| 106 | #define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<20)>>20) |
| 107 | //#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<21)>>21) |
| 108 | #define GPU_EXPANDSIGN_SPRT(x) (((s32)(x)<<21)>>21) |
| 109 | |
| 110 | //#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; } |
| 111 | #define GPU_TESTRANGE(x) { if ((x<-1023) || (x>1023)) return; } |
| 112 | |
| 113 | #define GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);} |
| 114 | |
| 115 | /////////////////////////////////////////////////////////////////////////////// |
| 116 | // GPU internal image drawing functions |
| 117 | #include "gpu_raster_image.h" |
| 118 | |
| 119 | /////////////////////////////////////////////////////////////////////////////// |
| 120 | // GPU internal line drawing functions |
| 121 | #include "gpu_raster_line.h" |
| 122 | |
| 123 | /////////////////////////////////////////////////////////////////////////////// |
| 124 | // GPU internal polygon drawing functions |
| 125 | #include "gpu_raster_polygon.h" |
| 126 | |
| 127 | /////////////////////////////////////////////////////////////////////////////// |
| 128 | // GPU internal sprite drawing functions |
| 129 | #include "gpu_raster_sprite.h" |
| 130 | |
| 131 | /////////////////////////////////////////////////////////////////////////////// |
| 132 | // GPU command buffer execution/store |
| 133 | #include "gpu_command.h" |
| 134 | |
| 135 | /////////////////////////////////////////////////////////////////////////////// |
| 136 | INLINE void gpuReset(void) |
| 137 | { |
| 138 | GPU_GP1 = 0x14802000; |
| 139 | TextureWindow[0] = 0; |
| 140 | TextureWindow[1] = 0; |
| 141 | TextureWindow[2] = 255; |
| 142 | TextureWindow[3] = 255; |
| 143 | DrawingArea[2] = 256; |
| 144 | DrawingArea[3] = 240; |
| 145 | DisplayArea[2] = 256; |
| 146 | DisplayArea[3] = 240; |
| 147 | DisplayArea[5] = 240; |
| 148 | } |
| 149 | |
| 150 | /////////////////////////////////////////////////////////////////////////////// |
| 151 | bool GPU_init(void) |
| 152 | { |
| 153 | gpuReset(); |
| 154 | |
| 155 | // s_invTable |
| 156 | for(int i=1;i<=(1<<TABLE_BITS);++i) |
| 157 | { |
| 158 | double v = 1.0 / double(i); |
| 159 | #ifdef GPU_TABLE_10_BITS |
| 160 | v *= double(0xffffffff>>1); |
| 161 | #else |
| 162 | v *= double(0x80000000); |
| 163 | #endif |
| 164 | s_invTable[i-1]=s32(v); |
| 165 | } |
| 166 | return (0); |
| 167 | } |
| 168 | |
| 169 | /////////////////////////////////////////////////////////////////////////////// |
| 170 | void GPU_shutdown(void) |
| 171 | { |
| 172 | } |
| 173 | |
| 174 | /////////////////////////////////////////////////////////////////////////////// |
| 175 | long GPU_freeze(unsigned int bWrite, GPUFreeze_t* p2) |
| 176 | { |
| 177 | if (!p2) return (0); |
| 178 | if (p2->Version != 1) return (0); |
| 179 | |
| 180 | if (bWrite) |
| 181 | { |
| 182 | p2->GPU_gp1 = GPU_GP1; |
| 183 | memcpy(p2->FrameBuffer, (u16*)GPU_FrameBuffer, FRAME_BUFFER_SIZE); |
| 184 | return (1); |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | GPU_GP1 = p2->GPU_gp1; |
| 189 | memcpy((u16*)GPU_FrameBuffer, p2->FrameBuffer, FRAME_BUFFER_SIZE); |
| 190 | return (1); |
| 191 | } |
| 192 | return (0); |
| 193 | } |
| 194 | |
| 195 | /////////////////////////////////////////////////////////////////////////////// |
| 196 | // GPU DMA comunication |
| 197 | |
| 198 | /////////////////////////////////////////////////////////////////////////////// |
| 199 | u8 PacketSize[256] = |
| 200 | { |
| 201 | 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0-15 |
| 202 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16-31 |
| 203 | 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 32-47 |
| 204 | 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 48-63 |
| 205 | 2, 2, 2, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, // 64-79 |
| 206 | 3, 3, 3, 3, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, // 80-95 |
| 207 | 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, // 96-111 |
| 208 | 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 112-127 |
| 209 | 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128- |
| 210 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 144 |
| 211 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 160 |
| 212 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 213 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 214 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 215 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 216 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // |
| 217 | }; |
| 218 | |
| 219 | /////////////////////////////////////////////////////////////////////////////// |
| 220 | INLINE void gpuSendPacket() |
| 221 | { |
| 222 | #ifdef DEBUG_ANALYSIS |
| 223 | dbg_anacnt_GPU_sendPacket++; |
| 224 | #endif |
| 225 | gpuSendPacketFunction(PacketBuffer.U4[0]>>24); |
| 226 | } |
| 227 | |
| 228 | /////////////////////////////////////////////////////////////////////////////// |
| 229 | INLINE void gpuCheckPacket(u32 uData) |
| 230 | { |
| 231 | if (PacketCount) |
| 232 | { |
| 233 | PacketBuffer.U4[PacketIndex++] = uData; |
| 234 | --PacketCount; |
| 235 | } |
| 236 | else |
| 237 | { |
| 238 | PacketBuffer.U4[0] = uData; |
| 239 | PacketCount = PacketSize[uData >> 24]; |
| 240 | PacketIndex = 1; |
| 241 | } |
| 242 | if (!PacketCount) gpuSendPacket(); |
| 243 | } |
| 244 | |
| 245 | /////////////////////////////////////////////////////////////////////////////// |
| 246 | void GPU_writeDataMem(u32* dmaAddress, s32 dmaCount) |
| 247 | { |
| 248 | #ifdef DEBUG_ANALYSIS |
| 249 | dbg_anacnt_GPU_writeDataMem++; |
| 250 | #endif |
| 251 | pcsx4all_prof_pause(PCSX4ALL_PROF_CPU); |
| 252 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 253 | u32 data; |
| 254 | const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1); |
| 255 | GPU_GP1 &= ~0x14000000; |
| 256 | |
| 257 | while (dmaCount) |
| 258 | { |
| 259 | if (FrameToWrite) |
| 260 | { |
| 261 | while (dmaCount--) |
| 262 | { |
| 263 | data = *dmaAddress++; |
| 264 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 265 | pvram[px] = data; |
| 266 | if (++px>=x_end) |
| 267 | { |
| 268 | px = 0; |
| 269 | pvram += 1024; |
| 270 | if (++py>=y_end) |
| 271 | { |
| 272 | FrameToWrite = 0; |
| 273 | GPU_GP1 &= ~0x08000000; |
| 274 | break; |
| 275 | } |
| 276 | } |
| 277 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 278 | pvram[px] = data>>16; |
| 279 | if (++px>=x_end) |
| 280 | { |
| 281 | px = 0; |
| 282 | pvram += 1024; |
| 283 | if (++py>=y_end) |
| 284 | { |
| 285 | FrameToWrite = 0; |
| 286 | GPU_GP1 &= ~0x08000000; |
| 287 | break; |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | else |
| 293 | { |
| 294 | data = *dmaAddress++; |
| 295 | dmaCount--; |
| 296 | gpuCheckPacket(data); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000; |
| 301 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 302 | pcsx4all_prof_resume(PCSX4ALL_PROF_CPU); |
| 303 | } |
| 304 | |
| 305 | u32 *lUsedAddr[3]; |
| 306 | INLINE int CheckForEndlessLoop(u32 *laddr) |
| 307 | { |
| 308 | if(laddr==lUsedAddr[1]) return 1; |
| 309 | if(laddr==lUsedAddr[2]) return 1; |
| 310 | |
| 311 | if(laddr<lUsedAddr[0]) lUsedAddr[1]=laddr; |
| 312 | else lUsedAddr[2]=laddr; |
| 313 | lUsedAddr[0]=laddr; |
| 314 | return 0; |
| 315 | } |
| 316 | |
| 317 | /////////////////////////////////////////////////////////////////////////////// |
| 318 | void GPU_dmaChain(u32* baseAddr, u32 dmaVAddr) |
| 319 | { |
| 320 | #ifdef DEBUG_ANALYSIS |
| 321 | dbg_anacnt_GPU_dmaChain++; |
| 322 | #endif |
| 323 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 324 | u32 data, *address, count, offset; |
| 325 | unsigned int DMACommandCounter = 0; |
| 326 | |
| 327 | GPU_GP1 &= ~0x14000000; |
| 328 | lUsedAddr[0]=lUsedAddr[1]=lUsedAddr[2]=(u32*)0x1fffff; |
| 329 | dmaVAddr &= 0x001FFFFF; |
| 330 | while (dmaVAddr != 0x1FFFFF) |
| 331 | { |
| 332 | address = (baseAddr + (dmaVAddr >> 2)); |
| 333 | if(DMACommandCounter++ > 2000000) break; |
| 334 | if(CheckForEndlessLoop(address)) break; |
| 335 | data = *address++; |
| 336 | count = (data >> 24); |
| 337 | offset = data & 0x001FFFFF; |
| 338 | if (dmaVAddr != offset) dmaVAddr = offset; |
| 339 | else dmaVAddr = 0x1FFFFF; |
| 340 | |
| 341 | if(count>0) GPU_writeDataMem(address,count); |
| 342 | } |
| 343 | GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000; |
| 344 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 345 | } |
| 346 | |
| 347 | /////////////////////////////////////////////////////////////////////////////// |
| 348 | void GPU_writeData(u32 data) |
| 349 | { |
| 350 | const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1); |
| 351 | #ifdef DEBUG_ANALYSIS |
| 352 | dbg_anacnt_GPU_writeData++; |
| 353 | #endif |
| 354 | pcsx4all_prof_pause(PCSX4ALL_PROF_CPU); |
| 355 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 356 | GPU_GP1 &= ~0x14000000; |
| 357 | |
| 358 | if (FrameToWrite) |
| 359 | { |
| 360 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 361 | pvram[px]=(u16)data; |
| 362 | if (++px>=x_end) |
| 363 | { |
| 364 | px = 0; |
| 365 | pvram += 1024; |
| 366 | if (++py>=y_end) |
| 367 | { |
| 368 | FrameToWrite = 0; |
| 369 | GPU_GP1 &= ~0x08000000; |
| 370 | } |
| 371 | } |
| 372 | if (FrameToWrite) |
| 373 | { |
| 374 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 375 | pvram[px]=data>>16; |
| 376 | if (++px>=x_end) |
| 377 | { |
| 378 | px = 0; |
| 379 | pvram += 1024; |
| 380 | if (++py>=y_end) |
| 381 | { |
| 382 | FrameToWrite = 0; |
| 383 | GPU_GP1 &= ~0x08000000; |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | else |
| 389 | { |
| 390 | gpuCheckPacket(data); |
| 391 | } |
| 392 | GPU_GP1 |= 0x14000000; |
| 393 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 394 | pcsx4all_prof_resume(PCSX4ALL_PROF_CPU); |
| 395 | |
| 396 | } |
| 397 | |
| 398 | |
| 399 | /////////////////////////////////////////////////////////////////////////////// |
| 400 | void GPU_readDataMem(u32* dmaAddress, s32 dmaCount) |
| 401 | { |
| 402 | const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1); |
| 403 | #ifdef DEBUG_ANALYSIS |
| 404 | dbg_anacnt_GPU_readDataMem++; |
| 405 | #endif |
| 406 | if(!FrameToRead) return; |
| 407 | |
| 408 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 409 | GPU_GP1 &= ~0x14000000; |
| 410 | do |
| 411 | { |
| 412 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 413 | // lower 16 bit |
| 414 | u32 data = (unsigned long)pvram[px]; |
| 415 | |
| 416 | if (++px>=x_end) |
| 417 | { |
| 418 | px = 0; |
| 419 | pvram += 1024; |
| 420 | } |
| 421 | |
| 422 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 423 | // higher 16 bit (always, even if it's an odd width) |
| 424 | data |= (unsigned long)(pvram[px])<<16; |
| 425 | |
| 426 | *dmaAddress++ = data; |
| 427 | |
| 428 | if (++px>=x_end) |
| 429 | { |
| 430 | px = 0; |
| 431 | pvram += 1024; |
| 432 | if (++py>=y_end) |
| 433 | { |
| 434 | FrameToRead = 0; |
| 435 | GPU_GP1 &= ~0x08000000; |
| 436 | break; |
| 437 | } |
| 438 | } |
| 439 | } while (--dmaCount); |
| 440 | |
| 441 | GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000; |
| 442 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | |
| 447 | /////////////////////////////////////////////////////////////////////////////// |
| 448 | u32 GPU_readData(void) |
| 449 | { |
| 450 | const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1); |
| 451 | #ifdef DEBUG_ANALYSIS |
| 452 | dbg_anacnt_GPU_readData++; |
| 453 | #endif |
| 454 | pcsx4all_prof_pause(PCSX4ALL_PROF_CPU); |
| 455 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ); |
| 456 | GPU_GP1 &= ~0x14000000; |
| 457 | if (FrameToRead) |
| 458 | { |
| 459 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 460 | GP0 = pvram[px]; |
| 461 | if (++px>=x_end) |
| 462 | { |
| 463 | px = 0; |
| 464 | pvram += 1024; |
| 465 | if (++py>=y_end) |
| 466 | { |
| 467 | FrameToRead = 0; |
| 468 | GPU_GP1 &= ~0x08000000; |
| 469 | } |
| 470 | } |
| 471 | if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024; |
| 472 | GP0 |= pvram[px]<<16; |
| 473 | if (++px>=x_end) |
| 474 | { |
| 475 | px = 0; |
| 476 | pvram +=1024; |
| 477 | if (++py>=y_end) |
| 478 | { |
| 479 | FrameToRead = 0; |
| 480 | GPU_GP1 &= ~0x08000000; |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | } |
| 485 | GPU_GP1 |= 0x14000000; |
| 486 | |
| 487 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ); |
| 488 | pcsx4all_prof_resume(PCSX4ALL_PROF_CPU); |
| 489 | return (GP0); |
| 490 | } |
| 491 | |
| 492 | /////////////////////////////////////////////////////////////////////////////// |
| 493 | u32 GPU_readStatus(void) |
| 494 | { |
| 495 | #ifdef DEBUG_ANALYSIS |
| 496 | dbg_anacnt_GPU_readStatus++; |
| 497 | #endif |
| 498 | return GPU_GP1; |
| 499 | } |
| 500 | |
| 501 | /////////////////////////////////////////////////////////////////////////////// |
| 502 | void GPU_writeStatus(u32 data) |
| 503 | { |
| 504 | #ifdef DEBUG_ANALYSIS |
| 505 | dbg_anacnt_GPU_writeStatus++; |
| 506 | #endif |
| 507 | pcsx4all_prof_pause(PCSX4ALL_PROF_CPU); |
| 508 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 509 | switch (data >> 24) { |
| 510 | case 0x00: |
| 511 | gpuReset(); |
| 512 | break; |
| 513 | case 0x01: |
| 514 | GPU_GP1 &= ~0x08000000; |
| 515 | PacketCount = FrameToRead = FrameToWrite = 0; |
| 516 | break; |
| 517 | case 0x02: |
| 518 | GPU_GP1 &= ~0x08000000; |
| 519 | PacketCount = FrameToRead = FrameToWrite = 0; |
| 520 | break; |
| 521 | case 0x03: |
| 522 | GPU_GP1 = (GPU_GP1 & ~0x00800000) | ((data & 1) << 23); |
| 523 | break; |
| 524 | case 0x04: |
| 525 | if (data == 0x04000000) |
| 526 | PacketCount = 0; |
| 527 | GPU_GP1 = (GPU_GP1 & ~0x60000000) | ((data & 3) << 29); |
| 528 | break; |
| 529 | case 0x05: |
| 530 | DisplayArea[0] = (data & 0x000003FF); //(short)(data & 0x3ff); |
| 531 | DisplayArea[1] = ((data & 0x0007FC00)>>10); //(data & 0x000FFC00) >> 10; //(short)((data>>10)&0x1ff); |
| 532 | break; |
| 533 | case 0x07: |
| 534 | DisplayArea[4] = data & 0x000003FF; //(short)(data & 0x3ff); |
| 535 | DisplayArea[5] = (data & 0x000FFC00) >> 10; //(short)((data>>10) & 0x3ff); |
| 536 | break; |
| 537 | case 0x08: |
| 538 | { |
| 539 | GPU_GP1 = (GPU_GP1 & ~0x007F0000) | ((data & 0x3F) << 17) | ((data & 0x40) << 10); |
| 540 | static u32 HorizontalResolution[8] = { 256, 368, 320, 384, 512, 512, 640, 640 }; |
| 541 | DisplayArea[2] = HorizontalResolution[(GPU_GP1 >> 16) & 7]; |
| 542 | static u32 VerticalResolution[4] = { 240, 480, 256, 480 }; |
| 543 | DisplayArea[3] = VerticalResolution[(GPU_GP1 >> 19) & 3]; |
| 544 | isPAL = (data & 0x08) ? true : false; // if 1 - PAL mode, else NTSC |
| 545 | } |
| 546 | break; |
| 547 | case 0x10: |
| 548 | switch (data & 0xffff) { |
| 549 | case 0: |
| 550 | case 1: |
| 551 | case 3: |
| 552 | GP0 = (DrawingArea[1] << 10) | DrawingArea[0]; |
| 553 | break; |
| 554 | case 4: |
| 555 | GP0 = ((DrawingArea[3]-1) << 10) | (DrawingArea[2]-1); |
| 556 | break; |
| 557 | case 6: |
| 558 | case 5: |
| 559 | GP0 = (DrawingOffset[1] << 11) | DrawingOffset[0]; |
| 560 | break; |
| 561 | case 7: |
| 562 | GP0 = 2; |
| 563 | break; |
| 564 | default: |
| 565 | GP0 = 0; |
| 566 | } |
| 567 | break; |
| 568 | } |
| 569 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE); |
| 570 | pcsx4all_prof_resume(PCSX4ALL_PROF_CPU); |
| 571 | } |
| 572 | |
| 573 | // Blitting functions |
| 574 | #include "gpu_blit.h" |
| 575 | |
| 576 | INLINE void gpuVideoOutput(void) |
| 577 | { |
| 578 | static s16 old_res_horz, old_res_vert, old_rgb24; |
| 579 | s16 h0, x0, y0, w0, h1; |
| 580 | |
| 581 | x0 = DisplayArea[0]; |
| 582 | y0 = DisplayArea[1]; |
| 583 | |
| 584 | w0 = DisplayArea[2]; |
| 585 | h0 = DisplayArea[3]; // video mode |
| 586 | |
| 587 | h1 = DisplayArea[5] - DisplayArea[4]; // display needed |
| 588 | if (h0 == 480) h1 = Min2(h1*2,480); |
| 589 | |
| 590 | u16* dest_screen16 = SCREEN; |
| 591 | u16* src_screen16 = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0,y0)]; |
| 592 | u32 isRGB24 = (GPU_GP1 & 0x00200000 ? 32 : 0); |
| 593 | |
| 594 | /* Clear the screen if resolution changed to prevent interlacing and clipping to clash */ |
| 595 | if( (w0 != old_res_horz || h1 != old_res_vert || (s16)isRGB24 != old_rgb24) ) |
| 596 | { |
| 597 | // Update old resolution |
| 598 | old_res_horz = w0; |
| 599 | old_res_vert = h1; |
| 600 | old_rgb24 = (s16)isRGB24; |
| 601 | // Finally, clear the screen for this special case |
| 602 | video_clear(); |
| 603 | } |
| 604 | |
| 605 | // Height centering |
| 606 | int sizeShift = 1; |
| 607 | if(h0==256) h0 = 240; else if(h0==480) sizeShift = 2; |
| 608 | if(h1>h0) { src_screen16 += ((h1-h0)>>sizeShift)*1024; h1 = h0; } |
| 609 | else if(h1<h0) dest_screen16 += ((h0-h1)>>sizeShift)*VIDEO_WIDTH; |
| 610 | |
| 611 | /* Main blitter */ |
| 612 | int incY = (h0==480) ? 2 : 1; |
| 613 | h0=(h0==480 ? 2048 : 1024); |
| 614 | |
| 615 | if (!progressInterlace) |
| 616 | { |
| 617 | const int li=linesInterlace; |
| 618 | switch ( w0 ) |
| 619 | { |
| 620 | case 256: |
| 621 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 622 | { |
| 623 | if( 0 == (y0&li) ) GPU_BlitWWDWW( src_screen16, dest_screen16, isRGB24); |
| 624 | dest_screen16 += VIDEO_WIDTH; |
| 625 | src_screen16 += h0; |
| 626 | } |
| 627 | break; |
| 628 | case 368: |
| 629 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 630 | { |
| 631 | if( 0 == (y0&li) ) GPU_BlitWWWWWWWWS( src_screen16, dest_screen16, isRGB24, 4); |
| 632 | dest_screen16 += VIDEO_WIDTH; |
| 633 | src_screen16 += h0; |
| 634 | } |
| 635 | break; |
| 636 | case 320: |
| 637 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 638 | { |
| 639 | if( 0 == (y0&li) ) GPU_BlitWW( src_screen16, dest_screen16, isRGB24); |
| 640 | dest_screen16 += VIDEO_WIDTH; |
| 641 | src_screen16 += h0; |
| 642 | } |
| 643 | break; |
| 644 | case 384: |
| 645 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 646 | { |
| 647 | if( 0 == (y0&li) ) GPU_BlitWWWWWS( src_screen16, dest_screen16, isRGB24); |
| 648 | dest_screen16 += VIDEO_WIDTH; |
| 649 | src_screen16 += h0; |
| 650 | } |
| 651 | break; |
| 652 | case 512: |
| 653 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 654 | { |
| 655 | if( 0 == (y0&li) ) GPU_BlitWWSWWSWS( src_screen16, dest_screen16, isRGB24); |
| 656 | dest_screen16 += VIDEO_WIDTH; |
| 657 | src_screen16 += h0; |
| 658 | } |
| 659 | break; |
| 660 | case 640: |
| 661 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 662 | { |
| 663 | if( 0 == (y0&li) ) GPU_BlitWS( src_screen16, dest_screen16, isRGB24); |
| 664 | dest_screen16 += VIDEO_WIDTH; |
| 665 | src_screen16 += h0; |
| 666 | } |
| 667 | break; |
| 668 | } |
| 669 | } |
| 670 | else |
| 671 | { |
| 672 | const int li=linesInterlace; |
| 673 | bool flag=progressInterlace_flag; /* progressive interlace */ |
| 674 | switch ( w0 ) |
| 675 | { |
| 676 | case 256: |
| 677 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 678 | { |
| 679 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWDWW( src_screen16, dest_screen16, isRGB24); |
| 680 | dest_screen16 += VIDEO_WIDTH; |
| 681 | src_screen16 += h0; |
| 682 | } |
| 683 | break; |
| 684 | case 368: |
| 685 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 686 | { |
| 687 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWWWWWWWS( src_screen16, dest_screen16, isRGB24, 4); |
| 688 | dest_screen16 += VIDEO_WIDTH; |
| 689 | src_screen16 += h0; |
| 690 | } |
| 691 | break; |
| 692 | case 320: |
| 693 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 694 | { |
| 695 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWW( src_screen16, dest_screen16, isRGB24); |
| 696 | dest_screen16 += VIDEO_WIDTH; |
| 697 | src_screen16 += h0; |
| 698 | } |
| 699 | break; |
| 700 | case 384: |
| 701 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 702 | { |
| 703 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWWWWS( src_screen16, dest_screen16, isRGB24); |
| 704 | dest_screen16 += VIDEO_WIDTH; |
| 705 | src_screen16 += h0; |
| 706 | } |
| 707 | break; |
| 708 | case 512: |
| 709 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 710 | { |
| 711 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWSWWSWS( src_screen16, dest_screen16, isRGB24); |
| 712 | dest_screen16 += VIDEO_WIDTH; |
| 713 | src_screen16 += h0; |
| 714 | } |
| 715 | break; |
| 716 | case 640: |
| 717 | for(int y1=y0+h1; y0<y1; y0+=incY) |
| 718 | { |
| 719 | if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWS( src_screen16, dest_screen16, isRGB24); |
| 720 | dest_screen16 += VIDEO_WIDTH; |
| 721 | src_screen16 += h0; |
| 722 | } |
| 723 | break; |
| 724 | } |
| 725 | progressInterlace_flag=!flag; |
| 726 | } |
| 727 | video_flip(); |
| 728 | } |
| 729 | |
| 730 | /////////////////////////////////////////////////////////////////////////////// |
| 731 | void GPU_updateLace(void) |
| 732 | { |
| 733 | #ifdef ENABLE_GPU_LOG_SUPPORT |
| 734 | fprintf(stdout,"GPU_updateLace()\n"); |
| 735 | #endif |
| 736 | #ifdef DEBUG_ANALYSIS |
| 737 | dbg_anacnt_GPU_updateLace++; |
| 738 | #endif |
| 739 | pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS); |
| 740 | #ifdef PROFILER_PCSX4ALL |
| 741 | pcsx4all_prof_frames++; |
| 742 | #endif |
| 743 | #ifdef DEBUG_FRAME |
| 744 | if(isdbg_frame()) |
| 745 | { |
| 746 | static int passed=0; |
| 747 | if (!passed) dbg_enable(); |
| 748 | else pcsx4all_exit(); |
| 749 | passed++; |
| 750 | } |
| 751 | #endif |
| 752 | |
| 753 | // Frame skip table |
| 754 | static const unsigned char skipTable[12][12] = |
| 755 | { |
| 756 | { 0,0,0,0,0,0,0,0,0,0,0,0 }, |
| 757 | { 0,0,0,0,0,0,0,0,0,0,0,1 }, |
| 758 | { 0,0,0,0,0,1,0,0,0,0,0,1 }, |
| 759 | { 0,0,0,1,0,0,0,1,0,0,0,1 }, |
| 760 | { 0,0,1,0,0,1,0,0,1,0,0,1 }, |
| 761 | { 0,1,0,0,1,0,1,0,0,1,0,1 }, |
| 762 | { 0,1,0,1,0,1,0,1,0,1,0,1 }, |
| 763 | { 0,1,0,1,1,0,1,0,1,1,0,1 }, |
| 764 | { 0,1,1,0,1,1,0,1,1,0,1,1 }, |
| 765 | { 0,1,1,1,0,1,1,1,0,1,1,1 }, |
| 766 | { 0,1,1,1,1,1,0,1,1,1,1,1 }, |
| 767 | { 0,1,1,1,1,1,1,1,1,1,1,1 } |
| 768 | }; |
| 769 | |
| 770 | // Interlace bit toggle |
| 771 | GPU_GP1 ^= 0x80000000; |
| 772 | |
| 773 | // Update display |
| 774 | if ((!skipFrame) && (!isSkip) && (!(((GPU_GP1&0x08000000))||((GPU_GP1&0x00800000))))) |
| 775 | { |
| 776 | gpuVideoOutput(); // Display updated |
| 777 | |
| 778 | if (DisplayArea[3] == 480) |
| 779 | { |
| 780 | if (linesInterlace_user) linesInterlace = 3; // 1/4 of lines |
| 781 | else linesInterlace = 1; // if 480 we only need half of lines |
| 782 | } |
| 783 | else if (linesInterlace != linesInterlace_user) |
| 784 | { |
| 785 | linesInterlace = linesInterlace_user; // resolution changed from 480 to lower one |
| 786 | video_clear(); |
| 787 | } |
| 788 | |
| 789 | // Limit FPS |
| 790 | if (frameLimit) |
| 791 | { |
| 792 | static unsigned next=get_ticks(); |
| 793 | unsigned now=get_ticks(); |
| 794 | if (!skipFrame) |
| 795 | { |
| 796 | if (now<next) wait_ticks(next-now); |
| 797 | } |
| 798 | next+=(isPAL?(1000000/50):((unsigned)(1000000.0/59.94))); |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | // Show FPS statistics |
| 803 | if (show_fps) |
| 804 | { |
| 805 | static u32 real_fps=0; |
| 806 | static u32 prev=get_ticks(); |
| 807 | static char msg[24]="FPS=000/00 SPD=000%"; |
| 808 | u32 now=get_ticks(); |
| 809 | real_fps++; |
| 810 | if ((now-prev)>=1000000) |
| 811 | { |
| 812 | u32 expected_fps=(isPAL?50:60); |
| 813 | sprintf(msg,"FPS=%3d/%2d SPD=%3d%%",((real_fps*(12-skipCount))/12),((expected_fps*(12-skipCount))/12),((real_fps*100)/expected_fps)); |
| 814 | prev=now; |
| 815 | real_fps=0; |
| 816 | } |
| 817 | port_printf(5,5,msg); |
| 818 | } |
| 819 | |
| 820 | // Update frame-skip |
| 821 | if (!alt_fps) |
| 822 | { |
| 823 | // Video frame-skip |
| 824 | skipFrame=skipTable[skipCount][skCount]; |
| 825 | skCount--; if (skCount<0) skCount=11; |
| 826 | isSkip=skipFrame; |
| 827 | } |
| 828 | else |
| 829 | { |
| 830 | // Game frame-skip |
| 831 | if (!isSkip) |
| 832 | { |
| 833 | skipFrame=skipTable[skipCount][skCount]; |
| 834 | skCount--; if (skCount<0) skCount=11; |
| 835 | isSkip=true; |
| 836 | } |
| 837 | } |
| 838 | |
| 839 | pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS); |
| 840 | } |
notaz.gp2x.de / pcsx_rearmed.git / blame