plugins/gpu_unai/gpu.cpp

   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 "port.h"
  22 #include "gpu.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 wasSkip = false;
  33 bool skipFrame = false; /* skip frame (according to frame skip) */
  34 bool alt_fps = false; /* Alternative FPS algorithm */
  35 bool show_fps = false; /* Show FPS statistics */
  36
  37 bool isPAL = false; /* PAL video timing */
  38 bool progressInterlace_flag = false; /* Progressive interlace flag */
  39 bool progressInterlace = false; /* Progressive interlace option*/
  40 bool frameLimit = false; /* frames to wait */
  41
  42 bool light = true; /* lighting */
  43 bool blend = true; /* blending */
  44 bool FrameToRead = false; /* load image in progress */
  45 bool FrameToWrite = false; /* store image in progress */
  46 bool fb_dirty = false;
  47
  48 bool enableAbbeyHack = false; /* Abe's Odyssey hack */
  49
  50 u8 BLEND_MODE;
  51 u8 TEXT_MODE;
  52 u8 Masking;
  53
  54 u16 PixelMSB;
  55 u16 PixelData;
  56
  57 ///////////////////////////////////////////////////////////////////////////////
  58 //  GPU Global data
  59 ///////////////////////////////////////////////////////////////////////////////
  60
  61 ///////////////////////////////////////////////////////////////////////////////
  62 //  Dma Transfers info
  63 s32             px,py;
  64 s32             x_end,y_end;
  65 u16*  pvram;
  66
  67 u32 GP0;
  68 s32 PacketCount;
  69 s32 PacketIndex;
  70
  71 ///////////////////////////////////////////////////////////////////////////////
  72 //  Display status
  73 u32 DisplayArea   [6];
  74
  75 ///////////////////////////////////////////////////////////////////////////////
  76 //  Rasterizer status
  77 u32 TextureWindow [4];
  78 u32 DrawingArea   [4];
  79 u32 DrawingOffset [2];
  80
  81 ///////////////////////////////////////////////////////////////////////////////
  82 //  Rasterizer status
  83
  84 u16* TBA;
  85 u16* CBA;
  86
  87 ///////////////////////////////////////////////////////////////////////////////
  88 //  Inner Loops
  89 s32   u4, du4;
  90 s32   v4, dv4;
  91 s32   r4, dr4;
  92 s32   g4, dg4;
  93 s32   b4, db4;
  94 u32   lInc;
  95 u32   tInc, tMsk;
  96
  97 GPUPacket PacketBuffer;
  98 // FRAME_BUFFER_SIZE is defined in bytes; 512K is guard memory for out of range reads
  99 u16   GPU_FrameBuffer[(FRAME_BUFFER_SIZE+512*1024)/2] __attribute__((aligned(2048)));
 100 u32   GPU_GP1;
 101
 102 ///////////////////////////////////////////////////////////////////////////////
 103 //  Inner loop driver instanciation file
 104 #include "gpu_inner.h"
 105
 106 ///////////////////////////////////////////////////////////////////////////////
 107 //  GPU Raster Macros
 108 #define GPU_RGB16(rgb)        ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3))
 109
 110 #define GPU_EXPANDSIGN(x)  (((s32)(x)<<21)>>21)
 111
 112 #define CHKMAX_X 1024
 113 #define CHKMAX_Y 512
 114
 115 #define GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);}
 116
 117 ///////////////////////////////////////////////////////////////////////////////
 118 // GPU internal image drawing functions
 119 #include "gpu_raster_image.h"
 120
 121 ///////////////////////////////////////////////////////////////////////////////
 122 // GPU internal line drawing functions
 123 #include "gpu_raster_line.h"
 124
 125 ///////////////////////////////////////////////////////////////////////////////
 126 // GPU internal polygon drawing functions
 127 #include "gpu_raster_polygon.h"
 128
 129 ///////////////////////////////////////////////////////////////////////////////
 130 // GPU internal sprite drawing functions
 131 #include "gpu_raster_sprite.h"
 132
 133 ///////////////////////////////////////////////////////////////////////////////
 134 // GPU command buffer execution/store
 135 #include "gpu_command.h"
 136
 137 ///////////////////////////////////////////////////////////////////////////////
 138 INLINE void gpuReset(void)
 139 {
 140         GPU_GP1 = 0x14802000;
 141         TextureWindow[0] = 0;
 142         TextureWindow[1] = 0;
 143         TextureWindow[2] = 255;
 144         TextureWindow[3] = 255;
 145         DrawingArea[2] = 256;
 146         DrawingArea[3] = 240;
 147         DisplayArea[2] = 256;
 148         DisplayArea[3] = 240;
 149         DisplayArea[5] = 240;
 150 }
 151
 152 ///////////////////////////////////////////////////////////////////////////////
 153 bool  GPU_init(void)
 154 {
 155         gpuReset();
 156
 157         // s_invTable
 158         for(int i=1;i<=(1<<TABLE_BITS);++i)
 159         {
 160                 double v = 1.0 / double(i);
 161                 #ifdef GPU_TABLE_10_BITS
 162                 v *= double(0xffffffff>>1);
 163                 #else
 164                 v *= double(0x80000000);
 165                 #endif
 166                 s_invTable[i-1]=s32(v);
 167         }
 168         return (0);
 169 }
 170
 171 ///////////////////////////////////////////////////////////////////////////////
 172 void  GPU_shutdown(void)
 173 {
 174 }
 175
 176 ///////////////////////////////////////////////////////////////////////////////
 177 long  GPU_freeze(unsigned int bWrite, GPUFreeze_t* p2)
 178 {
 179         if (!p2) return (0);
 180         if (p2->Version != 1) return (0);
 181
 182         if (bWrite)
 183         {
 184                 p2->GPU_gp1 = GPU_GP1;
 185                 memset(p2->Control, 0, sizeof(p2->Control));
 186                 // save resolution and registers for P.E.Op.S. compatibility
 187                 p2->Control[3] = (3 << 24) | ((GPU_GP1 >> 23) & 1);
 188                 p2->Control[4] = (4 << 24) | ((GPU_GP1 >> 29) & 3);
 189                 p2->Control[5] = (5 << 24) | (DisplayArea[0] | (DisplayArea[1] << 10));
 190                 p2->Control[6] = (6 << 24) | (2560 << 12);
 191                 p2->Control[7] = (7 << 24) | (DisplayArea[4] | (DisplayArea[5] << 10));
 192                 p2->Control[8] = (8 << 24) | ((GPU_GP1 >> 17) & 0x3f) | ((GPU_GP1 >> 10) & 0x40);
 193                 memcpy(p2->FrameBuffer, (u16*)GPU_FrameBuffer, FRAME_BUFFER_SIZE);
 194                 return (1);
 195         }
 196         else
 197         {
 198                 GPU_GP1 = p2->GPU_gp1;
 199                 memcpy((u16*)GPU_FrameBuffer, p2->FrameBuffer, FRAME_BUFFER_SIZE);
 200                 GPU_writeStatus((5 << 24) | p2->Control[5]);
 201                 GPU_writeStatus((7 << 24) | p2->Control[7]);
 202                 GPU_writeStatus((8 << 24) | p2->Control[8]);
 203                 gpuSetTexture(GPU_GP1);
 204                 return (1);
 205         }
 206         return (0);
 207 }
 208
 209 ///////////////////////////////////////////////////////////////////////////////
 210 //  GPU DMA comunication
 211
 212 ///////////////////////////////////////////////////////////////////////////////
 213 u8 PacketSize[256] =
 214 {
 215         0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //              0-15
 216         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //              16-31
 217         3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, //              32-47
 218         5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11,     //      48-63
 219         2, 2, 2, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, //              64-79
 220         3, 3, 3, 3, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, //              80-95
 221         2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, //              96-111
 222         1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, //              112-127
 223         3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //              128-
 224         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //              144
 225         2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //              160
 226         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
 227         2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
 228         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
 229         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
 230         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0  //
 231 };
 232
 233 ///////////////////////////////////////////////////////////////////////////////
 234 INLINE void gpuSendPacket()
 235 {
 236 #ifdef DEBUG_ANALYSIS
 237         dbg_anacnt_GPU_sendPacket++;
 238 #endif
 239         gpuSendPacketFunction(PacketBuffer.U4[0]>>24);
 240 }
 241
 242 ///////////////////////////////////////////////////////////////////////////////
 243 INLINE void gpuCheckPacket(u32 uData)
 244 {
 245         if (PacketCount)
 246         {
 247                 PacketBuffer.U4[PacketIndex++] = uData;
 248                 --PacketCount;
 249         }
 250         else
 251         {
 252                 PacketBuffer.U4[0] = uData;
 253                 PacketCount = PacketSize[uData >> 24];
 254                 PacketIndex = 1;
 255         }
 256         if (!PacketCount) gpuSendPacket();
 257 }
 258
 259 ///////////////////////////////////////////////////////////////////////////////
 260 void  GPU_writeDataMem(u32* dmaAddress, s32 dmaCount)
 261 {
 262 #ifdef DEBUG_ANALYSIS
 263         dbg_anacnt_GPU_writeDataMem++;
 264 #endif
 265         pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
 266         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 267         u32 data;
 268         const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
 269         GPU_GP1 &= ~0x14000000;
 270
 271         while (dmaCount)
 272         {
 273                 if (FrameToWrite)
 274                 {
 275                         while (dmaCount)
 276                         {
 277                                 dmaCount--;
 278                                 data = *dmaAddress++;
 279                                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 280                                 pvram[px] = data;
 281                                 if (++px>=x_end)
 282                                 {
 283                                         px = 0;
 284                                         pvram += 1024;
 285                                         if (++py>=y_end)
 286                                         {
 287                                                 FrameToWrite = false;
 288                                                 GPU_GP1 &= ~0x08000000;
 289                                                 break;
 290                                         }
 291                                 }
 292                                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 293                                 pvram[px] = data>>16;
 294                                 if (++px>=x_end)
 295                                 {
 296                                         px = 0;
 297                                         pvram += 1024;
 298                                         if (++py>=y_end)
 299                                         {
 300                                                 FrameToWrite = false;
 301                                                 GPU_GP1 &= ~0x08000000;
 302                                                 break;
 303                                         }
 304                                 }
 305                         }
 306                 }
 307                 else
 308                 {
 309                         data = *dmaAddress++;
 310                         dmaCount--;
 311                         gpuCheckPacket(data);
 312                 }
 313         }
 314
 315         GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
 316         fb_dirty = true;
 317         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 318         pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 319 }
 320
 321 u32 *lUsedAddr[3];
 322 INLINE int CheckForEndlessLoop(u32 *laddr)
 323 {
 324         if(laddr==lUsedAddr[1]) return 1;
 325         if(laddr==lUsedAddr[2]) return 1;
 326
 327         if(laddr<lUsedAddr[0]) lUsedAddr[1]=laddr;
 328         else                   lUsedAddr[2]=laddr;
 329         lUsedAddr[0]=laddr;
 330         return 0;
 331 }
 332
 333 ///////////////////////////////////////////////////////////////////////////////
 334 long GPU_dmaChain(u32* baseAddr, u32 dmaVAddr)
 335 {
 336 #ifdef DEBUG_ANALYSIS
 337         dbg_anacnt_GPU_dmaChain++;
 338 #endif
 339         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 340         u32 data, *address, count, offset;
 341         unsigned int DMACommandCounter = 0;
 342         long dma_words = 0;
 343
 344         GPU_GP1 &= ~0x14000000;
 345         lUsedAddr[0]=lUsedAddr[1]=lUsedAddr[2]=(u32*)0x1fffff;
 346         dmaVAddr &= 0x001FFFFF;
 347         while (dmaVAddr != 0x1FFFFF)
 348         {
 349                 address = (baseAddr + (dmaVAddr >> 2));
 350                 if(DMACommandCounter++ > 2000000) break;
 351                 if(CheckForEndlessLoop(address)) break;
 352                 data = *address++;
 353                 count = (data >> 24);
 354                 offset = data & 0x001FFFFF;
 355                 if (dmaVAddr != offset) dmaVAddr = offset;
 356                 else dmaVAddr = 0x1FFFFF;
 357
 358                 if(count>0) GPU_writeDataMem(address,count);
 359                 dma_words += 1 + count;
 360         }
 361         GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
 362         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 363
 364         return dma_words;
 365 }
 366
 367 ///////////////////////////////////////////////////////////////////////////////
 368 void  GPU_writeData(u32 data)
 369 {
 370         const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
 371 #ifdef DEBUG_ANALYSIS
 372         dbg_anacnt_GPU_writeData++;
 373 #endif
 374         pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
 375         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 376         GPU_GP1 &= ~0x14000000;
 377
 378         if (FrameToWrite)
 379         {
 380                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 381                 pvram[px]=(u16)data;
 382                 if (++px>=x_end)
 383                 {
 384                         px = 0;
 385                         pvram += 1024;
 386                         if (++py>=y_end)
 387                         {
 388                                 FrameToWrite = false;
 389                                 GPU_GP1 &= ~0x08000000;
 390                         }
 391                 }
 392                 if (FrameToWrite)
 393                 {
 394                         if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 395                         pvram[px]=data>>16;
 396                         if (++px>=x_end)
 397                         {
 398                                 px = 0;
 399                                 pvram += 1024;
 400                                 if (++py>=y_end)
 401                                 {
 402                                         FrameToWrite = false;
 403                                         GPU_GP1 &= ~0x08000000;
 404                                 }
 405                         }
 406                 }
 407         }
 408         else
 409         {
 410                 gpuCheckPacket(data);
 411         }
 412         GPU_GP1 |= 0x14000000;
 413         fb_dirty = true;
 414         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 415         pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 416
 417 }
 418
 419
 420 ///////////////////////////////////////////////////////////////////////////////
 421 void  GPU_readDataMem(u32* dmaAddress, s32 dmaCount)
 422 {
 423         const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
 424 #ifdef DEBUG_ANALYSIS
 425         dbg_anacnt_GPU_readDataMem++;
 426 #endif
 427         if(!FrameToRead) return;
 428
 429         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 430         GPU_GP1 &= ~0x14000000;
 431         do
 432         {
 433                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 434                 // lower 16 bit
 435                 u32 data = (unsigned long)pvram[px];
 436
 437                 if (++px>=x_end)
 438                 {
 439                         px = 0;
 440                         pvram += 1024;
 441                 }
 442
 443                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 444                 // higher 16 bit (always, even if it's an odd width)
 445                 data |= (unsigned long)(pvram[px])<<16;
 446
 447                 *dmaAddress++ = data;
 448
 449                 if (++px>=x_end)
 450                 {
 451                         px = 0;
 452                         pvram += 1024;
 453                         if (++py>=y_end)
 454                         {
 455                                 FrameToRead = false;
 456                                 GPU_GP1 &= ~0x08000000;
 457                                 break;
 458                         }
 459                 }
 460         } while (--dmaCount);
 461
 462         GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
 463         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 464 }
 465
 466
 467
 468 ///////////////////////////////////////////////////////////////////////////////
 469 u32  GPU_readData(void)
 470 {
 471         const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
 472 #ifdef DEBUG_ANALYSIS
 473         dbg_anacnt_GPU_readData++;
 474 #endif
 475         pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
 476         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ);
 477         GPU_GP1 &= ~0x14000000;
 478         if (FrameToRead)
 479         {
 480                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 481                 GP0 = pvram[px];
 482                 if (++px>=x_end)
 483                 {
 484                         px = 0;
 485                         pvram += 1024;
 486                         if (++py>=y_end)
 487                         {
 488                                 FrameToRead = false;
 489                                 GPU_GP1 &= ~0x08000000;
 490                         }
 491                 }
 492                 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
 493                 GP0 |= pvram[px]<<16;
 494                 if (++px>=x_end)
 495                 {
 496                         px = 0;
 497                         pvram +=1024;
 498                         if (++py>=y_end)
 499                         {
 500                                 FrameToRead = false;
 501                                 GPU_GP1 &= ~0x08000000;
 502                         }
 503                 }
 504
 505         }
 506         GPU_GP1 |= 0x14000000;
 507
 508         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ);
 509         pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 510         return (GP0);
 511 }
 512
 513 ///////////////////////////////////////////////////////////////////////////////
 514 u32     GPU_readStatus(void)
 515 {
 516 #ifdef DEBUG_ANALYSIS
 517         dbg_anacnt_GPU_readStatus++;
 518 #endif
 519         return GPU_GP1;
 520 }
 521
 522 ///////////////////////////////////////////////////////////////////////////////
 523 void  GPU_writeStatus(u32 data)
 524 {
 525 #ifdef DEBUG_ANALYSIS
 526         dbg_anacnt_GPU_writeStatus++;
 527 #endif
 528         pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
 529         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 530         switch (data >> 24) {
 531         case 0x00:
 532                 gpuReset();
 533                 break;
 534         case 0x01:
 535                 GPU_GP1 &= ~0x08000000;
 536                 PacketCount = 0; FrameToRead = FrameToWrite = false;
 537                 break;
 538         case 0x02:
 539                 GPU_GP1 &= ~0x08000000;
 540                 PacketCount = 0; FrameToRead = FrameToWrite = false;
 541                 break;
 542         case 0x03:
 543                 GPU_GP1 = (GPU_GP1 & ~0x00800000) | ((data & 1) << 23);
 544                 break;
 545         case 0x04:
 546                 if (data == 0x04000000)
 547                 PacketCount = 0;
 548                 GPU_GP1 = (GPU_GP1 & ~0x60000000) | ((data & 3) << 29);
 549                 break;
 550         case 0x05:
 551                 DisplayArea[0] = (data & 0x000003FF); //(short)(data & 0x3ff);
 552                 DisplayArea[1] = ((data & 0x0007FC00)>>10); //(data & 0x000FFC00) >> 10; //(short)((data>>10)&0x1ff);
 553                 fb_dirty = true;
 554                 wasSkip = isSkip;
 555                 if (isSkip)
 556                         isSkip = false;
 557                 else
 558                         isSkip = skipFrame;
 559                 break;
 560         case 0x07:
 561                 DisplayArea[4] = data & 0x000003FF; //(short)(data & 0x3ff);
 562                 DisplayArea[5] = (data & 0x000FFC00) >> 10; //(short)((data>>10) & 0x3ff);
 563                 fb_dirty = true;
 564                 break;
 565         case 0x08:
 566                 {
 567                         GPU_GP1 = (GPU_GP1 & ~0x007F0000) | ((data & 0x3F) << 17) | ((data & 0x40) << 10);
 568                         static u32 HorizontalResolution[8] = { 256, 368, 320, 384, 512, 512, 640, 640 };
 569                         DisplayArea[2] = HorizontalResolution[(GPU_GP1 >> 16) & 7];
 570                         static u32 VerticalResolution[4] = { 240, 480, 256, 480 };
 571                         DisplayArea[3] = VerticalResolution[(GPU_GP1 >> 19) & 3];
 572                         isPAL = (data & 0x08) ? true : false; // if 1 - PAL mode, else NTSC
 573                 }
 574                 fb_dirty = true;
 575                 break;
 576         case 0x10:
 577                 switch (data & 0xffff) {
 578                 case 0:
 579                 case 1:
 580                 case 3:
 581                         GP0 = (DrawingArea[1] << 10) | DrawingArea[0];
 582                         break;
 583                 case 4:
 584                         GP0 = ((DrawingArea[3]-1) << 10) | (DrawingArea[2]-1);
 585                         break;
 586                 case 6:
 587                 case 5:
 588                         GP0 = (DrawingOffset[1] << 11) | DrawingOffset[0];
 589                         break;
 590                 case 7:
 591                         GP0 = 2;
 592                         break;
 593                 default:
 594                         GP0 = 0;
 595                 }
 596                 break;
 597         }
 598         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
 599         pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 600 }
 601
 602 #ifndef REARMED
 603
 604 // Blitting functions
 605 #include "gpu_blit.h"
 606
 607 INLINE void gpuVideoOutput(void)
 608 {
 609         static s16 old_res_horz, old_res_vert, old_rgb24;
 610         s16 h0, x0, y0, w0, h1;
 611
 612         x0 = DisplayArea[0];
 613         y0 = DisplayArea[1];
 614
 615         w0 = DisplayArea[2];
 616         h0 = DisplayArea[3];  // video mode
 617
 618         h1 = DisplayArea[5] - DisplayArea[4]; // display needed
 619         if (h0 == 480) h1 = Min2(h1*2,480);
 620
 621         u16* dest_screen16 = SCREEN;
 622         u16* src_screen16  = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0,y0)];
 623         u32 isRGB24 = (GPU_GP1 & 0x00200000 ? 32 : 0);
 624
 625         /* Clear the screen if resolution changed to prevent interlacing and clipping to clash */
 626         if( (w0 != old_res_horz || h1 != old_res_vert || (s16)isRGB24 != old_rgb24) )
 627         {
 628                 // Update old resolution
 629                 old_res_horz = w0;
 630                 old_res_vert = h1;
 631                 old_rgb24 = (s16)isRGB24;
 632                 // Finally, clear the screen for this special case
 633                 video_clear();
 634         }
 635
 636         //  Height centering
 637         int sizeShift = 1;
 638         if(h0==256) h0 = 240; else if(h0==480) sizeShift = 2;
 639         if(h1>h0) { src_screen16 += ((h1-h0)>>sizeShift)*1024; h1 = h0; }
 640         else if(h1<h0) dest_screen16 += ((h0-h1)>>sizeShift)*VIDEO_WIDTH;
 641
 642         /* Main blitter */
 643         int incY = (h0==480) ? 2 : 1;
 644         h0=(h0==480 ? 2048 : 1024);
 645
 646         {
 647                 const int li=linesInterlace;
 648                 bool pi=progressInterlace;
 649                 bool pif=progressInterlace_flag;
 650                 switch ( w0 )
 651                 {
 652                         case 256:
 653                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 654                                 {
 655                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWWDWW(    src_screen16,   dest_screen16, isRGB24);
 656                                         dest_screen16 += VIDEO_WIDTH;
 657                                         src_screen16  += h0;
 658                                 }
 659                                 break;
 660                         case 368:
 661                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 662                                 {
 663                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWWWWWWWWS(        src_screen16,   dest_screen16, isRGB24, 4);
 664                                         dest_screen16 += VIDEO_WIDTH;
 665                                         src_screen16  += h0;
 666                                 }
 667                                 break;
 668                         case 320:
 669                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 670                                 {
 671                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWW(       src_screen16,   dest_screen16, isRGB24);
 672                                         dest_screen16 += VIDEO_WIDTH;
 673                                         src_screen16  += h0;
 674                                 }
 675                                 break;
 676                         case 384:
 677                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 678                                 {
 679                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWWWWWS(   src_screen16,   dest_screen16, isRGB24);
 680                                         dest_screen16 += VIDEO_WIDTH;
 681                                         src_screen16  += h0;
 682                                 }
 683                                 break;
 684                         case 512:
 685                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 686                                 {
 687                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWWSWWSWS( src_screen16, dest_screen16, isRGB24);
 688                                         dest_screen16 += VIDEO_WIDTH;
 689                                         src_screen16  += h0;
 690                                 }
 691                                 break;
 692                         case 640:
 693                                 for(int y1=y0+h1; y0<y1; y0+=incY)
 694                                 {
 695                                         if(( 0 == (y0&li) ) && ((!pi) || (pif=!pif))) GPU_BlitWS(       src_screen16, dest_screen16, isRGB24);
 696                                         dest_screen16 += VIDEO_WIDTH;
 697                                         src_screen16  += h0;
 698                                 }
 699                                 break;
 700                 }
 701                 progressInterlace_flag=!progressInterlace_flag;
 702         }
 703         video_flip();
 704 }
 705
 706 ///////////////////////////////////////////////////////////////////////////////
 707 void  GPU_updateLace(void)
 708 {
 709 #ifdef  ENABLE_GPU_LOG_SUPPORT
 710         fprintf(stdout,"GPU_updateLace()\n");
 711 #endif
 712 #ifdef DEBUG_ANALYSIS
 713         dbg_anacnt_GPU_updateLace++;
 714 #endif
 715         pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS);
 716 #ifdef PROFILER_PCSX4ALL
 717         pcsx4all_prof_frames++;
 718 #endif
 719 #ifdef DEBUG_FRAME
 720         if(isdbg_frame())
 721         {
 722                 static int passed=0;
 723                 if (!passed) dbg_enable();
 724                 else pcsx4all_exit();
 725                 passed++;
 726         }
 727 #endif
 728
 729         // Frame skip table
 730         static const unsigned char skipTable[12][12] =
 731         {
 732                 { 0,0,0,0,0,0,0,0,0,0,0,0 },
 733                 { 0,0,0,0,0,0,0,0,0,0,0,1 },
 734                 { 0,0,0,0,0,1,0,0,0,0,0,1 },
 735                 { 0,0,0,1,0,0,0,1,0,0,0,1 },
 736                 { 0,0,1,0,0,1,0,0,1,0,0,1 },
 737                 { 0,1,0,0,1,0,1,0,0,1,0,1 },
 738                 { 0,1,0,1,0,1,0,1,0,1,0,1 },
 739                 { 0,1,0,1,1,0,1,0,1,1,0,1 },
 740                 { 0,1,1,0,1,1,0,1,1,0,1,1 },
 741                 { 0,1,1,1,0,1,1,1,0,1,1,1 },
 742                 { 0,1,1,1,1,1,0,1,1,1,1,1 },
 743                 { 0,1,1,1,1,1,1,1,1,1,1,1 }
 744         };
 745
 746         // Interlace bit toggle
 747         GPU_GP1 ^= 0x80000000;
 748
 749         // Update display
 750         if ((!skipFrame) && (!isSkip) && (fb_dirty) && (!(((GPU_GP1&0x08000000))||((GPU_GP1&0x00800000)))))
 751         {
 752                 gpuVideoOutput(); // Display updated
 753
 754                 if (DisplayArea[3] == 480)
 755                 {
 756                         if (linesInterlace_user) linesInterlace = 3; // 1/4 of lines
 757                         else linesInterlace = 1; // if 480 we only need half of lines
 758                 }
 759                 else if (linesInterlace != linesInterlace_user)
 760                 {
 761                         linesInterlace = linesInterlace_user; // resolution changed from 480 to lower one
 762                         video_clear();
 763                 }
 764         }
 765
 766         // Limit FPS
 767         if (frameLimit)
 768         {
 769                 static unsigned next=get_ticks();
 770                 if (!skipFrame)
 771                 {
 772                         unsigned now=get_ticks();
 773                         if (now<next) wait_ticks(next-now);
 774                 }
 775                 next+=(isPAL?(1000000/50):((unsigned)(1000000.0/59.94)));
 776         }
 777
 778         // Show FPS statistics
 779         if (show_fps)
 780         {
 781                 static u32 real_fps=0;
 782                 static u32 prev=get_ticks();
 783                 static char msg[32]="FPS=000/00 SPD=000%";
 784                 u32 now=get_ticks();
 785                 real_fps++;
 786                 if ((now-prev)>=1000000)
 787                 {
 788                         u32 expected_fps=(isPAL?50:60);
 789                         sprintf(msg,"FPS=%3d/%2d SPD=%3d%%",((real_fps*(12-skipCount))/12),((expected_fps*(12-skipCount))/12),((real_fps*100)/expected_fps));
 790                         prev=now;
 791                         real_fps=0;
 792                 }
 793                 port_printf(5,5,msg);
 794         }
 795
 796         // Update frame-skip
 797         if (!alt_fps)
 798         {
 799                 // Video frame-skip
 800                 skipFrame=skipTable[skipCount][skCount];
 801                 skCount--; if (skCount<0) skCount=11;
 802                 isSkip=skipFrame;
 803         }
 804         else
 805         {
 806                 // Game frame-skip
 807                 if (!isSkip)
 808                 {
 809                         skipFrame=skipTable[skipCount][skCount];
 810                         skCount--; if (skCount<0) skCount=11;
 811                         isSkip=true;
 812                 }
 813         }
 814         fb_dirty=false;
 815
 816         pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS);
 817 }
 818
 819 #else
 820
 821 #include "../../frontend/plugin_lib.h"
 822 #include "../gpulib/cspace.h"
 823
 824 extern "C" {
 825
 826 static const struct rearmed_cbs *cbs;
 827 static s16 old_res_horz, old_res_vert, old_rgb24;
 828
 829 static void blit(void)
 830 {
 831         u16 *base = (u16 *)GPU_FrameBuffer;
 832         s16 isRGB24 = (GPU_GP1 & 0x00200000) ? 1 : 0;
 833         s16 h0, x0, y0, w0, h1;
 834
 835         x0 = DisplayArea[0] & ~1; // alignment needed by blitter
 836         y0 = DisplayArea[1];
 837         base += FRAME_OFFSET(x0, y0);
 838
 839         w0 = DisplayArea[2];
 840         h0 = DisplayArea[3];  // video mode
 841
 842         h1 = DisplayArea[5] - DisplayArea[4]; // display needed
 843         if (h0 == 480) h1 = Min2(h1*2,480);
 844
 845         if (h1 <= 0)
 846                 return;
 847
 848         if (w0 != old_res_horz || h1 != old_res_vert || isRGB24 != old_rgb24)
 849         {
 850                 old_res_horz = w0;
 851                 old_res_vert = h1;
 852                 old_rgb24 = (s16)isRGB24;
 853                 cbs->pl_vout_set_mode(w0, h1, isRGB24 ? 24 : 16);
 854         }
 855
 856         cbs->pl_vout_flip(base, 1024, isRGB24, w0, h1);
 857 }
 858
 859 void GPU_updateLace(void)
 860 {
 861         // Interlace bit toggle
 862         GPU_GP1 ^= 0x80000000;
 863
 864         if (!fb_dirty || (GPU_GP1&0x08800000))
 865                 return;
 866
 867         if (!wasSkip) {
 868                 blit();
 869                 fb_dirty = false;
 870                 skCount = 0;
 871         }
 872         else {
 873                 skCount++;
 874                 if (skCount >= 8)
 875                         wasSkip = isSkip = 0;
 876         }
 877
 878         skipFrame = cbs->fskip_advice || cbs->frameskip == 1;
 879 }
 880
 881 long GPUopen(unsigned long *, char *, char *)
 882 {
 883         cbs->pl_vout_open();
 884         return 0;
 885 }
 886
 887 long GPUclose(void)
 888 {
 889         cbs->pl_vout_close();
 890         return 0;
 891 }
 892
 893 long GPUfreeze(unsigned int ulGetFreezeData, GPUFreeze_t* p2)
 894 {
 895         if (ulGetFreezeData > 1)
 896                 return 0;
 897
 898         return GPU_freeze(ulGetFreezeData, p2);
 899 }
 900
 901 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_)
 902 {
 903         enableAbbeyHack = cbs_->gpu_unai.abe_hack;
 904         light = !cbs_->gpu_unai.no_light;
 905         blend = !cbs_->gpu_unai.no_blend;
 906         if (cbs_->pl_vout_set_raw_vram)
 907                 cbs_->pl_vout_set_raw_vram((void *)GPU_FrameBuffer);
 908
 909         cbs = cbs_;
 910         if (cbs->pl_set_gpu_caps)
 911                 cbs->pl_set_gpu_caps(0);
 912 }
 913
 914 } /* extern "C" */
 915
 916 #endif