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 | } |