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gpu_unai: basic frameskip
[pcsx_rearmed.git] / plugins / gpu_unai / gpu.cpp
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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
86aad47b 21#include "port.h"
7c49c8a2 22#include "gpu.h"
86aad47b 23#include "profiler.h"
24#include "debug.h"
25
26int skipCount = 2; /* frame skip (0,1,2,3...) */
27int skCount=0; /* internal frame skip */
28int linesInterlace = 0; /* internal lines interlace */
29int linesInterlace_user = 0; /* Lines interlace */
30
31bool isSkip=false; /* skip frame (info coming from GPU) */
32bool skipFrame=false; /* skip frame (according to frame skip) */
33bool alt_fps = false; /* Alternative FPS algorithm */
34bool show_fps = false; /* Show FPS statistics */
35
36bool isPAL=false; /* PAL video timing */
37bool progressInterlace_flag = false; /* Progressive interlace flag */
38bool progressInterlace = false; /* Progressive interlace option*/
39bool frameLimit = false; /* frames to wait */
40bool light = true; /* lighting */
41bool blend = true; /* blending */
42
e7267688 43bool fb_dirty = false;
44
86aad47b 45bool enableAbbeyHack = false; /* Abe's Odyssey hack */
46u8 BLEND_MODE;
47u8 TEXT_MODE;
48u8 Masking;
49
50u16 PixelMSB;
51u16 PixelData;
52
53///////////////////////////////////////////////////////////////////////////////
54// GPU Global data
55///////////////////////////////////////////////////////////////////////////////
56
57///////////////////////////////////////////////////////////////////////////////
58// Dma Transfers info
59s32 px,py;
60s32 x_end,y_end;
61u16* pvram;
62
63u32 FrameToRead;
64u32 FrameToWrite;
65
66u32 GP0;
67s32 PacketCount;
68s32 PacketIndex;
69
70///////////////////////////////////////////////////////////////////////////////
71// Display status
72u32 DisplayArea [6];
73
74///////////////////////////////////////////////////////////////////////////////
75// Rasterizer status
76u32 TextureWindow [4];
77u32 DrawingArea [4];
78u32 DrawingOffset [2];
79
80///////////////////////////////////////////////////////////////////////////////
81// Rasterizer status
82
83u16* TBA;
84u16* CBA;
85
86///////////////////////////////////////////////////////////////////////////////
87// Inner Loops
88s32 u4, du4;
89s32 v4, dv4;
90s32 r4, dr4;
91s32 g4, dg4;
92s32 b4, db4;
93u32 lInc;
94u32 tInc, tMsk;
95
96GPUPacket PacketBuffer;
7c49c8a2 97u16 GPU_FrameBuffer[FRAME_BUFFER_SIZE/2] __attribute__((aligned(16))); // FRAME_BUFFER_SIZE is defined in bytes
86aad47b 98u32 GPU_GP1;
99
100///////////////////////////////////////////////////////////////////////////////
101// Inner loop driver instanciation file
102#include "gpu_inner.h"
103
104///////////////////////////////////////////////////////////////////////////////
105// GPU Raster Macros
106#define GPU_RGB16(rgb) ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3))
107
108#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<20)>>20)
109//#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<21)>>21)
110#define GPU_EXPANDSIGN_SPRT(x) (((s32)(x)<<21)>>21)
111
112//#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; }
113#define GPU_TESTRANGE(x) { if ((x<-1023) || (x>1023)) return; }
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///////////////////////////////////////////////////////////////////////////////
138INLINE 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///////////////////////////////////////////////////////////////////////////////
153bool 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///////////////////////////////////////////////////////////////////////////////
172void GPU_shutdown(void)
173{
174}
175
176///////////////////////////////////////////////////////////////////////////////
177long 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 memcpy(p2->FrameBuffer, (u16*)GPU_FrameBuffer, FRAME_BUFFER_SIZE);
186 return (1);
187 }
188 else
189 {
190 GPU_GP1 = p2->GPU_gp1;
191 memcpy((u16*)GPU_FrameBuffer, p2->FrameBuffer, FRAME_BUFFER_SIZE);
192 return (1);
193 }
194 return (0);
195}
196
197///////////////////////////////////////////////////////////////////////////////
198// GPU DMA comunication
199
200///////////////////////////////////////////////////////////////////////////////
201u8 PacketSize[256] =
202{
203 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0-15
204 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16-31
205 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 32-47
206 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 48-63
207 2, 2, 2, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, // 64-79
208 3, 3, 3, 3, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, // 80-95
209 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, // 96-111
210 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 112-127
211 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128-
212 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 144
213 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 160
214 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
215 2, 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 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
218 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 //
219};
220
221///////////////////////////////////////////////////////////////////////////////
222INLINE void gpuSendPacket()
223{
224#ifdef DEBUG_ANALYSIS
225 dbg_anacnt_GPU_sendPacket++;
226#endif
227 gpuSendPacketFunction(PacketBuffer.U4[0]>>24);
228}
229
230///////////////////////////////////////////////////////////////////////////////
231INLINE void gpuCheckPacket(u32 uData)
232{
233 if (PacketCount)
234 {
235 PacketBuffer.U4[PacketIndex++] = uData;
236 --PacketCount;
237 }
238 else
239 {
240 PacketBuffer.U4[0] = uData;
241 PacketCount = PacketSize[uData >> 24];
242 PacketIndex = 1;
243 }
244 if (!PacketCount) gpuSendPacket();
245}
246
247///////////////////////////////////////////////////////////////////////////////
248void GPU_writeDataMem(u32* dmaAddress, s32 dmaCount)
249{
250#ifdef DEBUG_ANALYSIS
251 dbg_anacnt_GPU_writeDataMem++;
252#endif
253 pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
254 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
255 u32 data;
256 const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
257 GPU_GP1 &= ~0x14000000;
258
259 while (dmaCount)
260 {
261 if (FrameToWrite)
262 {
263 while (dmaCount--)
264 {
265 data = *dmaAddress++;
266 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
267 pvram[px] = data;
268 if (++px>=x_end)
269 {
270 px = 0;
271 pvram += 1024;
272 if (++py>=y_end)
273 {
274 FrameToWrite = 0;
275 GPU_GP1 &= ~0x08000000;
276 break;
277 }
278 }
279 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
280 pvram[px] = data>>16;
281 if (++px>=x_end)
282 {
283 px = 0;
284 pvram += 1024;
285 if (++py>=y_end)
286 {
287 FrameToWrite = 0;
288 GPU_GP1 &= ~0x08000000;
289 break;
290 }
291 }
292 }
293 }
294 else
295 {
296 data = *dmaAddress++;
297 dmaCount--;
298 gpuCheckPacket(data);
299 }
300 }
301
302 GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
e7267688 303 fb_dirty = true;
86aad47b 304 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
305 pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
306}
307
308u32 *lUsedAddr[3];
309INLINE int CheckForEndlessLoop(u32 *laddr)
310{
311 if(laddr==lUsedAddr[1]) return 1;
312 if(laddr==lUsedAddr[2]) return 1;
313
314 if(laddr<lUsedAddr[0]) lUsedAddr[1]=laddr;
315 else lUsedAddr[2]=laddr;
316 lUsedAddr[0]=laddr;
317 return 0;
318}
319
320///////////////////////////////////////////////////////////////////////////////
321void GPU_dmaChain(u32* baseAddr, u32 dmaVAddr)
322{
323#ifdef DEBUG_ANALYSIS
324 dbg_anacnt_GPU_dmaChain++;
325#endif
326 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
327 u32 data, *address, count, offset;
328 unsigned int DMACommandCounter = 0;
329
330 GPU_GP1 &= ~0x14000000;
331 lUsedAddr[0]=lUsedAddr[1]=lUsedAddr[2]=(u32*)0x1fffff;
332 dmaVAddr &= 0x001FFFFF;
333 while (dmaVAddr != 0x1FFFFF)
334 {
335 address = (baseAddr + (dmaVAddr >> 2));
336 if(DMACommandCounter++ > 2000000) break;
337 if(CheckForEndlessLoop(address)) break;
338 data = *address++;
339 count = (data >> 24);
340 offset = data & 0x001FFFFF;
341 if (dmaVAddr != offset) dmaVAddr = offset;
342 else dmaVAddr = 0x1FFFFF;
343
344 if(count>0) GPU_writeDataMem(address,count);
345 }
346 GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
347 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
348}
349
350///////////////////////////////////////////////////////////////////////////////
351void GPU_writeData(u32 data)
352{
353 const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
354#ifdef DEBUG_ANALYSIS
355 dbg_anacnt_GPU_writeData++;
356#endif
357 pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
358 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
359 GPU_GP1 &= ~0x14000000;
360
361 if (FrameToWrite)
362 {
363 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
364 pvram[px]=(u16)data;
365 if (++px>=x_end)
366 {
367 px = 0;
368 pvram += 1024;
369 if (++py>=y_end)
370 {
371 FrameToWrite = 0;
372 GPU_GP1 &= ~0x08000000;
373 }
374 }
375 if (FrameToWrite)
376 {
377 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
378 pvram[px]=data>>16;
379 if (++px>=x_end)
380 {
381 px = 0;
382 pvram += 1024;
383 if (++py>=y_end)
384 {
385 FrameToWrite = 0;
386 GPU_GP1 &= ~0x08000000;
387 }
388 }
389 }
390 }
391 else
392 {
393 gpuCheckPacket(data);
394 }
395 GPU_GP1 |= 0x14000000;
e7267688 396 fb_dirty = true;
86aad47b 397 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
398 pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
399
400}
401
402
403///////////////////////////////////////////////////////////////////////////////
404void GPU_readDataMem(u32* dmaAddress, s32 dmaCount)
405{
406 const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
407#ifdef DEBUG_ANALYSIS
408 dbg_anacnt_GPU_readDataMem++;
409#endif
410 if(!FrameToRead) return;
411
412 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
413 GPU_GP1 &= ~0x14000000;
414 do
415 {
416 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
417 // lower 16 bit
418 u32 data = (unsigned long)pvram[px];
419
420 if (++px>=x_end)
421 {
422 px = 0;
423 pvram += 1024;
424 }
425
426 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
427 // higher 16 bit (always, even if it's an odd width)
428 data |= (unsigned long)(pvram[px])<<16;
429
430 *dmaAddress++ = data;
431
432 if (++px>=x_end)
433 {
434 px = 0;
435 pvram += 1024;
436 if (++py>=y_end)
437 {
438 FrameToRead = 0;
439 GPU_GP1 &= ~0x08000000;
440 break;
441 }
442 }
443 } while (--dmaCount);
444
445 GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
446 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
447}
448
449
450
451///////////////////////////////////////////////////////////////////////////////
452u32 GPU_readData(void)
453{
454 const u16 *VIDEO_END=(GPU_FrameBuffer+(FRAME_BUFFER_SIZE/2)-1);
455#ifdef DEBUG_ANALYSIS
456 dbg_anacnt_GPU_readData++;
457#endif
458 pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
459 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ);
460 GPU_GP1 &= ~0x14000000;
461 if (FrameToRead)
462 {
463 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
464 GP0 = pvram[px];
465 if (++px>=x_end)
466 {
467 px = 0;
468 pvram += 1024;
469 if (++py>=y_end)
470 {
471 FrameToRead = 0;
472 GPU_GP1 &= ~0x08000000;
473 }
474 }
475 if ((&pvram[px])>(VIDEO_END)) pvram-=512*1024;
476 GP0 |= pvram[px]<<16;
477 if (++px>=x_end)
478 {
479 px = 0;
480 pvram +=1024;
481 if (++py>=y_end)
482 {
483 FrameToRead = 0;
484 GPU_GP1 &= ~0x08000000;
485 }
486 }
487
488 }
489 GPU_GP1 |= 0x14000000;
490
491 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_READ);
492 pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
493 return (GP0);
494}
495
496///////////////////////////////////////////////////////////////////////////////
497u32 GPU_readStatus(void)
498{
499#ifdef DEBUG_ANALYSIS
500 dbg_anacnt_GPU_readStatus++;
501#endif
502 return GPU_GP1;
503}
504
505///////////////////////////////////////////////////////////////////////////////
506void GPU_writeStatus(u32 data)
507{
508#ifdef DEBUG_ANALYSIS
509 dbg_anacnt_GPU_writeStatus++;
510#endif
511 pcsx4all_prof_pause(PCSX4ALL_PROF_CPU);
512 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
513 switch (data >> 24) {
514 case 0x00:
515 gpuReset();
516 break;
517 case 0x01:
518 GPU_GP1 &= ~0x08000000;
519 PacketCount = FrameToRead = FrameToWrite = 0;
520 break;
521 case 0x02:
522 GPU_GP1 &= ~0x08000000;
523 PacketCount = FrameToRead = FrameToWrite = 0;
524 break;
525 case 0x03:
526 GPU_GP1 = (GPU_GP1 & ~0x00800000) | ((data & 1) << 23);
527 break;
528 case 0x04:
529 if (data == 0x04000000)
530 PacketCount = 0;
531 GPU_GP1 = (GPU_GP1 & ~0x60000000) | ((data & 3) << 29);
532 break;
533 case 0x05:
534 DisplayArea[0] = (data & 0x000003FF); //(short)(data & 0x3ff);
535 DisplayArea[1] = ((data & 0x0007FC00)>>10); //(data & 0x000FFC00) >> 10; //(short)((data>>10)&0x1ff);
e7267688 536 fb_dirty = true;
86aad47b 537 break;
538 case 0x07:
539 DisplayArea[4] = data & 0x000003FF; //(short)(data & 0x3ff);
540 DisplayArea[5] = (data & 0x000FFC00) >> 10; //(short)((data>>10) & 0x3ff);
e7267688 541 fb_dirty = true;
86aad47b 542 break;
543 case 0x08:
544 {
545 GPU_GP1 = (GPU_GP1 & ~0x007F0000) | ((data & 0x3F) << 17) | ((data & 0x40) << 10);
546 static u32 HorizontalResolution[8] = { 256, 368, 320, 384, 512, 512, 640, 640 };
547 DisplayArea[2] = HorizontalResolution[(GPU_GP1 >> 16) & 7];
548 static u32 VerticalResolution[4] = { 240, 480, 256, 480 };
549 DisplayArea[3] = VerticalResolution[(GPU_GP1 >> 19) & 3];
550 isPAL = (data & 0x08) ? true : false; // if 1 - PAL mode, else NTSC
551 }
e7267688 552 fb_dirty = true;
86aad47b 553 break;
554 case 0x10:
555 switch (data & 0xffff) {
556 case 0:
557 case 1:
558 case 3:
559 GP0 = (DrawingArea[1] << 10) | DrawingArea[0];
560 break;
561 case 4:
562 GP0 = ((DrawingArea[3]-1) << 10) | (DrawingArea[2]-1);
563 break;
564 case 6:
565 case 5:
566 GP0 = (DrawingOffset[1] << 11) | DrawingOffset[0];
567 break;
568 case 7:
569 GP0 = 2;
570 break;
571 default:
572 GP0 = 0;
573 }
574 break;
575 }
576 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
577 pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
578}
579
7c49c8a2 580#ifndef REARMED
581
86aad47b 582// Blitting functions
583#include "gpu_blit.h"
584
585INLINE void gpuVideoOutput(void)
586{
587 static s16 old_res_horz, old_res_vert, old_rgb24;
588 s16 h0, x0, y0, w0, h1;
589
590 x0 = DisplayArea[0];
591 y0 = DisplayArea[1];
592
593 w0 = DisplayArea[2];
594 h0 = DisplayArea[3]; // video mode
595
596 h1 = DisplayArea[5] - DisplayArea[4]; // display needed
597 if (h0 == 480) h1 = Min2(h1*2,480);
598
599 u16* dest_screen16 = SCREEN;
600 u16* src_screen16 = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0,y0)];
601 u32 isRGB24 = (GPU_GP1 & 0x00200000 ? 32 : 0);
602
603 /* Clear the screen if resolution changed to prevent interlacing and clipping to clash */
604 if( (w0 != old_res_horz || h1 != old_res_vert || (s16)isRGB24 != old_rgb24) )
605 {
606 // Update old resolution
607 old_res_horz = w0;
608 old_res_vert = h1;
609 old_rgb24 = (s16)isRGB24;
610 // Finally, clear the screen for this special case
611 video_clear();
612 }
613
614 // Height centering
615 int sizeShift = 1;
616 if(h0==256) h0 = 240; else if(h0==480) sizeShift = 2;
617 if(h1>h0) { src_screen16 += ((h1-h0)>>sizeShift)*1024; h1 = h0; }
618 else if(h1<h0) dest_screen16 += ((h0-h1)>>sizeShift)*VIDEO_WIDTH;
619
620 /* Main blitter */
621 int incY = (h0==480) ? 2 : 1;
622 h0=(h0==480 ? 2048 : 1024);
623
624 if (!progressInterlace)
625 {
626 const int li=linesInterlace;
627 switch ( w0 )
628 {
629 case 256:
630 for(int y1=y0+h1; y0<y1; y0+=incY)
631 {
632 if( 0 == (y0&li) ) GPU_BlitWWDWW( src_screen16, dest_screen16, isRGB24);
633 dest_screen16 += VIDEO_WIDTH;
634 src_screen16 += h0;
635 }
636 break;
637 case 368:
638 for(int y1=y0+h1; y0<y1; y0+=incY)
639 {
640 if( 0 == (y0&li) ) GPU_BlitWWWWWWWWS( src_screen16, dest_screen16, isRGB24, 4);
641 dest_screen16 += VIDEO_WIDTH;
642 src_screen16 += h0;
643 }
644 break;
645 case 320:
646 for(int y1=y0+h1; y0<y1; y0+=incY)
647 {
648 if( 0 == (y0&li) ) GPU_BlitWW( src_screen16, dest_screen16, isRGB24);
649 dest_screen16 += VIDEO_WIDTH;
650 src_screen16 += h0;
651 }
652 break;
653 case 384:
654 for(int y1=y0+h1; y0<y1; y0+=incY)
655 {
656 if( 0 == (y0&li) ) GPU_BlitWWWWWS( src_screen16, dest_screen16, isRGB24);
657 dest_screen16 += VIDEO_WIDTH;
658 src_screen16 += h0;
659 }
660 break;
661 case 512:
662 for(int y1=y0+h1; y0<y1; y0+=incY)
663 {
664 if( 0 == (y0&li) ) GPU_BlitWWSWWSWS( src_screen16, dest_screen16, isRGB24);
665 dest_screen16 += VIDEO_WIDTH;
666 src_screen16 += h0;
667 }
668 break;
669 case 640:
670 for(int y1=y0+h1; y0<y1; y0+=incY)
671 {
672 if( 0 == (y0&li) ) GPU_BlitWS( src_screen16, dest_screen16, isRGB24);
673 dest_screen16 += VIDEO_WIDTH;
674 src_screen16 += h0;
675 }
676 break;
677 }
678 }
679 else
680 {
681 const int li=linesInterlace;
682 bool flag=progressInterlace_flag; /* progressive interlace */
683 switch ( w0 )
684 {
685 case 256:
686 for(int y1=y0+h1; y0<y1; y0+=incY)
687 {
688 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWDWW( src_screen16, dest_screen16, isRGB24);
689 dest_screen16 += VIDEO_WIDTH;
690 src_screen16 += h0;
691 }
692 break;
693 case 368:
694 for(int y1=y0+h1; y0<y1; y0+=incY)
695 {
696 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWWWWWWWS( src_screen16, dest_screen16, isRGB24, 4);
697 dest_screen16 += VIDEO_WIDTH;
698 src_screen16 += h0;
699 }
700 break;
701 case 320:
702 for(int y1=y0+h1; y0<y1; y0+=incY)
703 {
704 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWW( src_screen16, dest_screen16, isRGB24);
705 dest_screen16 += VIDEO_WIDTH;
706 src_screen16 += h0;
707 }
708 break;
709 case 384:
710 for(int y1=y0+h1; y0<y1; y0+=incY)
711 {
712 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWWWWS( src_screen16, dest_screen16, isRGB24);
713 dest_screen16 += VIDEO_WIDTH;
714 src_screen16 += h0;
715 }
716 break;
717 case 512:
718 for(int y1=y0+h1; y0<y1; y0+=incY)
719 {
720 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWWSWWSWS( src_screen16, dest_screen16, isRGB24);
721 dest_screen16 += VIDEO_WIDTH;
722 src_screen16 += h0;
723 }
724 break;
725 case 640:
726 for(int y1=y0+h1; y0<y1; y0+=incY)
727 {
728 if(( 0 == (y0&li) ) && (flag=!flag)) GPU_BlitWS( src_screen16, dest_screen16, isRGB24);
729 dest_screen16 += VIDEO_WIDTH;
730 src_screen16 += h0;
731 }
732 break;
733 }
734 progressInterlace_flag=!flag;
735 }
736 video_flip();
737}
738
739///////////////////////////////////////////////////////////////////////////////
740void GPU_updateLace(void)
741{
742#ifdef ENABLE_GPU_LOG_SUPPORT
743 fprintf(stdout,"GPU_updateLace()\n");
744#endif
745#ifdef DEBUG_ANALYSIS
746 dbg_anacnt_GPU_updateLace++;
747#endif
748 pcsx4all_prof_start_with_pause(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS);
749#ifdef PROFILER_PCSX4ALL
750 pcsx4all_prof_frames++;
751#endif
752#ifdef DEBUG_FRAME
753 if(isdbg_frame())
754 {
755 static int passed=0;
756 if (!passed) dbg_enable();
757 else pcsx4all_exit();
758 passed++;
759 }
760#endif
761
762 // Frame skip table
763 static const unsigned char skipTable[12][12] =
764 {
765 { 0,0,0,0,0,0,0,0,0,0,0,0 },
766 { 0,0,0,0,0,0,0,0,0,0,0,1 },
767 { 0,0,0,0,0,1,0,0,0,0,0,1 },
768 { 0,0,0,1,0,0,0,1,0,0,0,1 },
769 { 0,0,1,0,0,1,0,0,1,0,0,1 },
770 { 0,1,0,0,1,0,1,0,0,1,0,1 },
771 { 0,1,0,1,0,1,0,1,0,1,0,1 },
772 { 0,1,0,1,1,0,1,0,1,1,0,1 },
773 { 0,1,1,0,1,1,0,1,1,0,1,1 },
774 { 0,1,1,1,0,1,1,1,0,1,1,1 },
775 { 0,1,1,1,1,1,0,1,1,1,1,1 },
776 { 0,1,1,1,1,1,1,1,1,1,1,1 }
777 };
778
779 // Interlace bit toggle
780 GPU_GP1 ^= 0x80000000;
781
782 // Update display
783 if ((!skipFrame) && (!isSkip) && (!(((GPU_GP1&0x08000000))||((GPU_GP1&0x00800000)))))
784 {
785 gpuVideoOutput(); // Display updated
786
787 if (DisplayArea[3] == 480)
788 {
789 if (linesInterlace_user) linesInterlace = 3; // 1/4 of lines
790 else linesInterlace = 1; // if 480 we only need half of lines
791 }
792 else if (linesInterlace != linesInterlace_user)
793 {
794 linesInterlace = linesInterlace_user; // resolution changed from 480 to lower one
795 video_clear();
796 }
797
798 // Limit FPS
799 if (frameLimit)
800 {
801 static unsigned next=get_ticks();
802 unsigned now=get_ticks();
803 if (!skipFrame)
804 {
805 if (now<next) wait_ticks(next-now);
806 }
807 next+=(isPAL?(1000000/50):((unsigned)(1000000.0/59.94)));
808 }
809 }
810
811 // Show FPS statistics
812 if (show_fps)
813 {
814 static u32 real_fps=0;
815 static u32 prev=get_ticks();
816 static char msg[24]="FPS=000/00 SPD=000%";
817 u32 now=get_ticks();
818 real_fps++;
819 if ((now-prev)>=1000000)
820 {
821 u32 expected_fps=(isPAL?50:60);
822 sprintf(msg,"FPS=%3d/%2d SPD=%3d%%",((real_fps*(12-skipCount))/12),((expected_fps*(12-skipCount))/12),((real_fps*100)/expected_fps));
823 prev=now;
824 real_fps=0;
825 }
826 port_printf(5,5,msg);
827 }
828
829 // Update frame-skip
830 if (!alt_fps)
831 {
832 // Video frame-skip
833 skipFrame=skipTable[skipCount][skCount];
834 skCount--; if (skCount<0) skCount=11;
835 isSkip=skipFrame;
836 }
837 else
838 {
839 // Game frame-skip
840 if (!isSkip)
841 {
842 skipFrame=skipTable[skipCount][skCount];
843 skCount--; if (skCount<0) skCount=11;
844 isSkip=true;
845 }
846 }
847
848 pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_COUNTERS);
849}
7c49c8a2 850
851#else
852
853#include "../../frontend/plugin_lib.h"
854
855extern "C" {
856
857extern void bgr555_to_rgb565(void *dst, void *src, int bytes);
858extern void bgr888_to_rgb888(void *dst, void *src, int bytes);
859static const struct rearmed_cbs *cbs;
860static void *screen_buf;
861
862static void blit(void)
863{
864 static s16 old_res_horz, old_res_vert, old_rgb24;
865 s16 isRGB24 = (GPU_GP1 & 0x00200000) ? 1 : 0;
866 s16 h0, x0, y0, w0, h1;
867 u8 *dest = (u8 *)screen_buf;
868 u16 *srcs;
869
870 x0 = DisplayArea[0] & ~3; // alignment needed by blitter
871 y0 = DisplayArea[1];
872 srcs = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0,y0)];
873
874 w0 = DisplayArea[2];
875 h0 = DisplayArea[3]; // video mode
876
877 h1 = DisplayArea[5] - DisplayArea[4]; // display needed
878 if (h0 == 480) h1 = Min2(h1*2,480);
879
880 if (w0 != old_res_horz || h1 != old_res_vert || isRGB24 != old_rgb24)
881 {
882 old_res_horz = w0;
883 old_res_vert = h1;
884 old_rgb24 = (s16)isRGB24;
885 cbs->pl_fbdev_set_mode(w0, h1, isRGB24 ? 24 : 16);
886 }
887
888 if (isRGB24)
889 {
890 for (; h1-- > 0; dest += w0 * 3, srcs += 1024)
891 {
892 bgr888_to_rgb888(dest, srcs, w0 * 3);
893 }
894 }
895 else
896 {
897 for (; h1-- > 0; dest += w0 * 2, srcs += 1024)
898 {
899 bgr555_to_rgb565(dest, srcs, w0 * 2);
900 }
901 }
902
903 screen_buf = cbs->pl_fbdev_flip();
904}
905
906void GPU_updateLace(void)
907{
908 // Interlace bit toggle
909 GPU_GP1 ^= 0x80000000;
910
e7267688 911 if (!fb_dirty || (GPU_GP1&0x08800000))
912 return;
913
78d78c3b 914 if (!isSkip) {
915 blit();
916
917 fb_dirty = false;
918 if (*cbs->fskip_option)
919 isSkip = true;
920 }
921 else
922 isSkip = false;
7c49c8a2 923}
924
925long GPUopen(unsigned long *, char *, char *)
926{
927 cbs->pl_fbdev_open();
928 screen_buf = cbs->pl_fbdev_flip();
929 return 0;
930}
931
932long GPUclose(void)
933{
934 cbs->pl_fbdev_close();
935 return 0;
936}
937
938long GPUfreeze(unsigned int ulGetFreezeData, GPUFreeze_t* p2)
939{
940 if (ulGetFreezeData > 1)
941 return 0;
942
943 return GPU_freeze(ulGetFreezeData, p2);
944}
945
946void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_)
947{
948 cbs = cbs_;
949}
950
951} /* extern "C" */
952
953#endif
ARM optimized PCSX fork