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cdrom: change pause timing again
[pcsx_rearmed.git] / plugins / gpu_unai / gpulib_if.cpp
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1/***************************************************************************
2* Copyright (C) 2010 PCSX4ALL Team *
3* Copyright (C) 2010 Unai *
4* Copyright (C) 2011 notaz *
5* Copyright (C) 2016 Senquack (dansilsby <AT> gmail <DOT> com) *
6* *
7* This program is free software; you can redistribute it and/or modify *
8* it under the terms of the GNU General Public License as published by *
9* the Free Software Foundation; either version 2 of the License, or *
10* (at your option) any later version. *
11* *
12* This program is distributed in the hope that it will be useful, *
13* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15* GNU General Public License for more details. *
16* *
17* You should have received a copy of the GNU General Public License *
18* along with this program; if not, write to the *
19* Free Software Foundation, Inc., *
20* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
21***************************************************************************/
22
23#include <stddef.h>
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include "../gpulib/gpu.h"
28
29#ifdef THREAD_RENDERING
30#include "../gpulib/gpulib_thread_if.h"
31#define do_cmd_list real_do_cmd_list
32#define renderer_init real_renderer_init
33#define renderer_finish real_renderer_finish
34#define renderer_sync_ecmds real_renderer_sync_ecmds
35#define renderer_update_caches real_renderer_update_caches
36#define renderer_flush_queues real_renderer_flush_queues
37#define renderer_set_interlace real_renderer_set_interlace
38#define renderer_set_config real_renderer_set_config
39#define renderer_notify_res_change real_renderer_notify_res_change
40#define renderer_notify_update_lace real_renderer_notify_update_lace
41#define renderer_sync real_renderer_sync
42#define ex_regs scratch_ex_regs
43#endif
44
45//#include "port.h"
46#include "gpu_unai.h"
47
48// GPU fixed point math
49#include "gpu_fixedpoint.h"
50
51// Inner loop driver instantiation file
52#include "gpu_inner.h"
53
54// GPU internal image drawing functions
55#include "gpu_raster_image.h"
56
57// GPU internal line drawing functions
58#include "gpu_raster_line.h"
59
60// GPU internal polygon drawing functions
61#include "gpu_raster_polygon.h"
62
63// GPU internal sprite drawing functions
64#include "gpu_raster_sprite.h"
65
66// GPU command buffer execution/store
67#include "gpu_command.h"
68
69/////////////////////////////////////////////////////////////////////////////
70
71#define DOWNSCALE_VRAM_SIZE (1024 * 512 * 2 * 2 + 4096)
72
73INLINE void scale_640_to_320(le16_t *dest, const le16_t *src, bool isRGB24) {
74 size_t uCount = 320;
75
76 if(isRGB24) {
77 const uint8_t* src8 = (const uint8_t *)src;
78 uint8_t* dst8 = (uint8_t *)dest;
79
80 do {
81 *dst8++ = *src8++;
82 *dst8++ = *src8++;
83 *dst8++ = *src8;
84 src8 += 4;
85 } while(--uCount);
86 } else {
87 const le16_t* src16 = src;
88 le16_t* dst16 = dest;
89
90 do {
91 *dst16++ = *src16;
92 src16 += 2;
93 } while(--uCount);
94 }
95}
96
97INLINE void scale_512_to_320(le16_t *dest, const le16_t *src, bool isRGB24) {
98 size_t uCount = 64;
99
100 if(isRGB24) {
101 const uint8_t* src8 = (const uint8_t *)src;
102 uint8_t* dst8 = (uint8_t *)dest;
103
104 do {
105 *dst8++ = *src8++;
106 *dst8++ = *src8++;
107 *dst8++ = *src8++;
108 *dst8++ = *src8++;
109 *dst8++ = *src8++;
110 *dst8++ = *src8;
111 src8 += 4;
112 *dst8++ = *src8++;
113 *dst8++ = *src8++;
114 *dst8++ = *src8++;
115 *dst8++ = *src8++;
116 *dst8++ = *src8++;
117 *dst8++ = *src8;
118 src8 += 4;
119 *dst8++ = *src8++;
120 *dst8++ = *src8++;
121 *dst8++ = *src8;
122 src8 += 4;
123 } while(--uCount);
124 } else {
125 const le16_t* src16 = src;
126 le16_t* dst16 = dest;
127
128 do {
129 *dst16++ = *src16++;
130 *dst16++ = *src16;
131 src16 += 2;
132 *dst16++ = *src16++;
133 *dst16++ = *src16;
134 src16 += 2;
135 *dst16++ = *src16;
136 src16 += 2;
137 } while(--uCount);
138 }
139}
140
141static uint16_t *get_downscale_buffer(int *x, int *y, int *w, int *h, int *vram_h)
142{
143 le16_t *dest = gpu_unai.downscale_vram;
144 const le16_t *src = gpu_unai.vram;
145 bool isRGB24 = (gpu_unai.GPU_GP1 & 0x00200000 ? true : false);
146 int stride = 1024, dstride = 1024, lines = *h, orig_w = *w;
147
148 // PS1 fb read wraps around (fixes black screen in 'Tobal no. 1')
149 unsigned int fb_mask = 1024 * 512 - 1;
150
151 if (*h > 240) {
152 *h /= 2;
153 stride *= 2;
154 lines = *h;
155
156 // Ensure start at a non-skipped line
157 while (*y & gpu_unai.ilace_mask) ++*y;
158 }
159
160 unsigned int fb_offset_src = (*y * dstride + *x) & fb_mask;
161 unsigned int fb_offset_dest = fb_offset_src;
162
163 if (*w == 512 || *w == 640) {
164 *w = 320;
165 }
166
167 switch(orig_w) {
168 case 640:
169 do {
170 scale_640_to_320(dest + fb_offset_dest, src + fb_offset_src, isRGB24);
171 fb_offset_src = (fb_offset_src + stride) & fb_mask;
172 fb_offset_dest = (fb_offset_dest + dstride) & fb_mask;
173 } while(--lines);
174
175 break;
176 case 512:
177 do {
178 scale_512_to_320(dest + fb_offset_dest, src + fb_offset_src, isRGB24);
179 fb_offset_src = (fb_offset_src + stride) & fb_mask;
180 fb_offset_dest = (fb_offset_dest + dstride) & fb_mask;
181 } while(--lines);
182 break;
183 default:
184 size_t size = isRGB24 ? *w * 3 : *w * 2;
185
186 do {
187 memcpy(dest + fb_offset_dest, src + fb_offset_src, size);
188 fb_offset_src = (fb_offset_src + stride) & fb_mask;
189 fb_offset_dest = (fb_offset_dest + dstride) & fb_mask;
190 } while(--lines);
191 break;
192 }
193
194 return (uint16_t *)gpu_unai.downscale_vram;
195}
196
197static void map_downscale_buffer(void)
198{
199 if (gpu_unai.downscale_vram)
200 return;
201
202 gpu_unai.downscale_vram = (le16_t*)gpu.mmap(DOWNSCALE_VRAM_SIZE);
203
204 if (gpu_unai.downscale_vram == NULL) {
205 fprintf(stderr, "failed to map downscale buffer\n");
206 gpu.get_downscale_buffer = NULL;
207 }
208 else {
209 gpu.get_downscale_buffer = get_downscale_buffer;
210 }
211}
212
213static void unmap_downscale_buffer(void)
214{
215 if (gpu_unai.downscale_vram == NULL)
216 return;
217
218 gpu.munmap(gpu_unai.downscale_vram, DOWNSCALE_VRAM_SIZE);
219 gpu_unai.downscale_vram = NULL;
220 gpu.get_downscale_buffer = NULL;
221}
222
223int renderer_init(void)
224{
225 memset((void*)&gpu_unai, 0, sizeof(gpu_unai));
226 gpu_unai.vram = (le16_t *)gpu.vram;
227
228 // Original standalone gpu_unai initialized TextureWindow[]. I added the
229 // same behavior here, since it seems unsafe to leave [2],[3] unset when
230 // using HLE and Rearmed gpu_neon sets this similarly on init. -senquack
231 gpu_unai.TextureWindow[0] = 0;
232 gpu_unai.TextureWindow[1] = 0;
233 gpu_unai.TextureWindow[2] = 255;
234 gpu_unai.TextureWindow[3] = 255;
235 //senquack - new vars must be updated whenever texture window is changed:
236 // (used for polygon-drawing in gpu_inner.h, gpu_raster_polygon.h)
237 const u32 fb = FIXED_BITS; // # of fractional fixed-pt bits of u4/v4
238 gpu_unai.u_msk = (((u32)gpu_unai.TextureWindow[2]) << fb) | ((1 << fb) - 1);
239 gpu_unai.v_msk = (((u32)gpu_unai.TextureWindow[3]) << fb) | ((1 << fb) - 1);
240
241 // Configuration options
242 gpu_unai.config = gpu_unai_config_ext;
243 //senquack - disabled, not sure this is needed and would require modifying
244 // sprite-span functions, perhaps unnecessarily. No Abe Oddysey hack was
245 // present in latest PCSX4ALL sources we were using.
246 //gpu_unai.config.enableAbbeyHack = gpu_unai_config_ext.abe_hack;
247 gpu_unai.ilace_mask = gpu_unai.config.ilace_force;
248
249#ifdef GPU_UNAI_USE_INT_DIV_MULTINV
250 // s_invTable
251 for(int i=1;i<=(1<<TABLE_BITS);++i)
252 {
253 double v = 1.0 / double(i);
254#ifdef GPU_TABLE_10_BITS
255 v *= double(0xffffffff>>1);
256#else
257 v *= double(0x80000000);
258#endif
259 s_invTable[i-1]=s32(v);
260 }
261#endif
262
263 SetupLightLUT();
264 SetupDitheringConstants();
265
266 if (gpu_unai.config.scale_hires) {
267 map_downscale_buffer();
268 }
269
270 return 0;
271}
272
273void renderer_finish(void)
274{
275 unmap_downscale_buffer();
276}
277
278void renderer_notify_res_change(void)
279{
280 if (PixelSkipEnabled()) {
281 // Set blit_mask for high horizontal resolutions. This allows skipping
282 // rendering pixels that would never get displayed on low-resolution
283 // platforms that use simple pixel-dropping scaler.
284
285 switch (gpu.screen.hres)
286 {
287 case 512: gpu_unai.blit_mask = 0xa4; break; // GPU_BlitWWSWWSWS
288 case 640: gpu_unai.blit_mask = 0xaa; break; // GPU_BlitWS
289 default: gpu_unai.blit_mask = 0; break;
290 }
291 } else {
292 gpu_unai.blit_mask = 0;
293 }
294
295 if (LineSkipEnabled()) {
296 // Set rendering line-skip (only render every other line in high-res
297 // 480 vertical mode, or, optionally, force it for all video modes)
298
299 if (gpu.screen.vres == 480) {
300 if (gpu_unai.config.ilace_force) {
301 gpu_unai.ilace_mask = 3; // Only need 1/4 of lines
302 } else {
303 gpu_unai.ilace_mask = 1; // Only need 1/2 of lines
304 }
305 } else {
306 // Vert resolution changed from 480 to lower one
307 gpu_unai.ilace_mask = gpu_unai.config.ilace_force;
308 }
309 } else {
310 gpu_unai.ilace_mask = 0;
311 }
312
313 /*
314 printf("res change hres: %d vres: %d depth: %d ilace_mask: %d\n",
315 gpu.screen.hres, gpu.screen.vres, (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 15,
316 gpu_unai.ilace_mask);
317 */
318}
319
320void renderer_notify_scanout_change(int x, int y)
321{
322}
323
324#ifdef USE_GPULIB
325// Handles GP0 draw settings commands 0xE1...0xE6
326static void gpuGP0Cmd_0xEx(gpu_unai_t &gpu_unai, u32 cmd_word)
327{
328 // Assume incoming GP0 command is 0xE1..0xE6, convert to 1..6
329 u8 num = (cmd_word >> 24) & 7;
330 gpu.ex_regs[num] = cmd_word; // Update gpulib register
331 switch (num) {
332 case 1: {
333 // GP0(E1h) - Draw Mode setting (aka "Texpage")
334 u32 cur_texpage = gpu_unai.GPU_GP1 & 0x7FF;
335 u32 new_texpage = cmd_word & 0x7FF;
336 if (cur_texpage != new_texpage) {
337 gpu_unai.GPU_GP1 = (gpu_unai.GPU_GP1 & ~0x7FF) | new_texpage;
338 gpuSetTexture(gpu_unai.GPU_GP1);
339 }
340 } break;
341
342 case 2: {
343 // GP0(E2h) - Texture Window setting
344 if (cmd_word != gpu_unai.TextureWindowCur) {
345 static const u8 TextureMask[32] = {
346 255, 7, 15, 7, 31, 7, 15, 7, 63, 7, 15, 7, 31, 7, 15, 7,
347 127, 7, 15, 7, 31, 7, 15, 7, 63, 7, 15, 7, 31, 7, 15, 7
348 };
349 gpu_unai.TextureWindowCur = cmd_word;
350 gpu_unai.TextureWindow[0] = ((cmd_word >> 10) & 0x1F) << 3;
351 gpu_unai.TextureWindow[1] = ((cmd_word >> 15) & 0x1F) << 3;
352 gpu_unai.TextureWindow[2] = TextureMask[(cmd_word >> 0) & 0x1F];
353 gpu_unai.TextureWindow[3] = TextureMask[(cmd_word >> 5) & 0x1F];
354 gpu_unai.TextureWindow[0] &= ~gpu_unai.TextureWindow[2];
355 gpu_unai.TextureWindow[1] &= ~gpu_unai.TextureWindow[3];
356
357 // Inner loop vars must be updated whenever texture window is changed:
358 const u32 fb = FIXED_BITS; // # of fractional fixed-pt bits of u4/v4
359 gpu_unai.u_msk = (((u32)gpu_unai.TextureWindow[2]) << fb) | ((1 << fb) - 1);
360 gpu_unai.v_msk = (((u32)gpu_unai.TextureWindow[3]) << fb) | ((1 << fb) - 1);
361
362 gpuSetTexture(gpu_unai.GPU_GP1);
363 }
364 } break;
365
366 case 3: {
367 // GP0(E3h) - Set Drawing Area top left (X1,Y1)
368 gpu_unai.DrawingArea[0] = cmd_word & 0x3FF;
369 gpu_unai.DrawingArea[1] = (cmd_word >> 10) & 0x3FF;
370 } break;
371
372 case 4: {
373 // GP0(E4h) - Set Drawing Area bottom right (X2,Y2)
374 gpu_unai.DrawingArea[2] = (cmd_word & 0x3FF) + 1;
375 gpu_unai.DrawingArea[3] = ((cmd_word >> 10) & 0x3FF) + 1;
376 } break;
377
378 case 5: {
379 // GP0(E5h) - Set Drawing Offset (X,Y)
380 gpu_unai.DrawingOffset[0] = ((s32)cmd_word<<(32-11))>>(32-11);
381 gpu_unai.DrawingOffset[1] = ((s32)cmd_word<<(32-22))>>(32-11);
382 } break;
383
384 case 6: {
385 // GP0(E6h) - Mask Bit Setting
386 gpu_unai.Masking = (cmd_word & 0x2) << 1;
387 gpu_unai.PixelMSB = (cmd_word & 0x1) << 8;
388 } break;
389 }
390}
391#endif
392
393#include "../gpulib/gpu_timing.h"
394extern const unsigned char cmd_lengths[256];
395
396int do_cmd_list(u32 *list_, int list_len,
397 int *cycles_sum_out, int *cycles_last, int *last_cmd)
398{
399 int cpu_cycles_sum = 0, cpu_cycles = *cycles_last;
400 u32 cmd = 0, len, i;
401 le32_t *list = (le32_t *)list_;
402 le32_t *list_start = list;
403 le32_t *list_end = list + list_len;
404
405 //TODO: set ilace_mask when resolution changes instead of every time,
406 // eliminate #ifdef below.
407 gpu_unai.ilace_mask = gpu_unai.config.ilace_force;
408
409#ifdef HAVE_PRE_ARMV7 /* XXX */
410 gpu_unai.ilace_mask |= !!(gpu.status & PSX_GPU_STATUS_INTERLACE);
411#endif
412 if (gpu_unai.config.scale_hires) {
413 gpu_unai.ilace_mask |= !!(gpu.status & PSX_GPU_STATUS_INTERLACE);
414 }
415
416 for (; list < list_end; list += 1 + len)
417 {
418 cmd = le32_to_u32(*list) >> 24;
419 len = cmd_lengths[cmd];
420 if (list + 1 + len > list_end) {
421 cmd = -1;
422 break;
423 }
424
425 #define PRIM cmd
426 gpu_unai.PacketBuffer.U4[0] = list[0];
427 for (i = 1; i <= len; i++)
428 gpu_unai.PacketBuffer.U4[i] = list[i];
429
430 PtrUnion packet = { .ptr = (void*)&gpu_unai.PacketBuffer };
431
432 switch (cmd)
433 {
434 case 0x02:
435 gpuClearImage(packet);
436 gput_sum(cpu_cycles_sum, cpu_cycles,
437 gput_fill(le16_to_s16(packet.U2[4]) & 0x3ff, le16_to_s16(packet.U2[5]) & 0x1ff));
438 break;
439
440 case 0x20:
441 case 0x21:
442 case 0x22:
443 case 0x23: { // Monochrome 3-pt poly
444 PP driver = gpuPolySpanDrivers[
445 (gpu_unai.blit_mask?1024:0) |
446 Blending_Mode |
447 gpu_unai.Masking | Blending | gpu_unai.PixelMSB
448 ];
449 gpuDrawPolyF(packet, driver, false);
450 gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base());
451 } break;
452
453 case 0x24:
454 case 0x25:
455 case 0x26:
456 case 0x27: { // Textured 3-pt poly
457 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
458 gpuSetTexture(le32_to_u32(gpu_unai.PacketBuffer.U4[4]) >> 16);
459
460 u32 driver_idx =
461 (gpu_unai.blit_mask?1024:0) |
462 Dithering |
463 Blending_Mode | gpu_unai.TEXT_MODE |
464 gpu_unai.Masking | Blending | gpu_unai.PixelMSB;
465
466 if (!FastLightingEnabled()) {
467 driver_idx |= Lighting;
468 } else {
469 if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)))
470 driver_idx |= Lighting;
471 }
472
473 PP driver = gpuPolySpanDrivers[driver_idx];
474 gpuDrawPolyFT(packet, driver, false);
475 gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_t());
476 } break;
477
478 case 0x28:
479 case 0x29:
480 case 0x2A:
481 case 0x2B: { // Monochrome 4-pt poly
482 PP driver = gpuPolySpanDrivers[
483 (gpu_unai.blit_mask?1024:0) |
484 Blending_Mode |
485 gpu_unai.Masking | Blending | gpu_unai.PixelMSB
486 ];
487 gpuDrawPolyF(packet, driver, true); // is_quad = true
488 gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base());
489 } break;
490
491 case 0x2C:
492 case 0x2D:
493 case 0x2E:
494 case 0x2F: { // Textured 4-pt poly
495 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
496 gpuSetTexture(le32_to_u32(gpu_unai.PacketBuffer.U4[4]) >> 16);
497
498 u32 driver_idx =
499 (gpu_unai.blit_mask?1024:0) |
500 Dithering |
501 Blending_Mode | gpu_unai.TEXT_MODE |
502 gpu_unai.Masking | Blending | gpu_unai.PixelMSB;
503
504 if (!FastLightingEnabled()) {
505 driver_idx |= Lighting;
506 } else {
507 if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)))
508 driver_idx |= Lighting;
509 }
510
511 PP driver = gpuPolySpanDrivers[driver_idx];
512 gpuDrawPolyFT(packet, driver, true); // is_quad = true
513 gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_t());
514 } break;
515
516 case 0x30:
517 case 0x31:
518 case 0x32:
519 case 0x33: { // Gouraud-shaded 3-pt poly
520 //NOTE: The '129' here is CF_GOURAUD | CF_LIGHT, however
521 // this is an untextured poly, so CF_LIGHT (texture blend)
522 // shouldn't apply. Until the original array of template
523 // instantiation ptrs is fixed, we're stuck with this. (TODO)
524 PP driver = gpuPolySpanDrivers[
525 (gpu_unai.blit_mask?1024:0) |
526 Dithering |
527 Blending_Mode |
528 gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB
529 ];
530 gpuDrawPolyG(packet, driver, false);
531 gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_g());
532 } break;
533
534 case 0x34:
535 case 0x35:
536 case 0x36:
537 case 0x37: { // Gouraud-shaded, textured 3-pt poly
538 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
539 gpuSetTexture (le32_to_u32(gpu_unai.PacketBuffer.U4[5]) >> 16);
540 PP driver = gpuPolySpanDrivers[
541 (gpu_unai.blit_mask?1024:0) |
542 Dithering |
543 Blending_Mode | gpu_unai.TEXT_MODE |
544 gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB
545 ];
546 gpuDrawPolyGT(packet, driver, false);
547 gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_gt());
548 } break;
549
550 case 0x38:
551 case 0x39:
552 case 0x3A:
553 case 0x3B: { // Gouraud-shaded 4-pt poly
554 // See notes regarding '129' for 0x30..0x33 further above -senquack
555 PP driver = gpuPolySpanDrivers[
556 (gpu_unai.blit_mask?1024:0) |
557 Dithering |
558 Blending_Mode |
559 gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB
560 ];
561 gpuDrawPolyG(packet, driver, true); // is_quad = true
562 gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_g());
563 } break;
564
565 case 0x3C:
566 case 0x3D:
567 case 0x3E:
568 case 0x3F: { // Gouraud-shaded, textured 4-pt poly
569 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
570 gpuSetTexture (le32_to_u32(gpu_unai.PacketBuffer.U4[5]) >> 16);
571 PP driver = gpuPolySpanDrivers[
572 (gpu_unai.blit_mask?1024:0) |
573 Dithering |
574 Blending_Mode | gpu_unai.TEXT_MODE |
575 gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB
576 ];
577 gpuDrawPolyGT(packet, driver, true); // is_quad = true
578 gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_gt());
579 } break;
580
581 case 0x40:
582 case 0x41:
583 case 0x42:
584 case 0x43: { // Monochrome line
585 // Shift index right by one, as untextured prims don't use lighting
586 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
587 PSD driver = gpuPixelSpanDrivers[driver_idx];
588 gpuDrawLineF(packet, driver);
589 gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
590 } break;
591
592 case 0x48 ... 0x4F: { // Monochrome line strip
593 u32 num_vertexes = 1;
594 le32_t *list_position = &list[2];
595
596 // Shift index right by one, as untextured prims don't use lighting
597 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
598 PSD driver = gpuPixelSpanDrivers[driver_idx];
599 gpuDrawLineF(packet, driver);
600
601 while(1)
602 {
603 gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[2];
604 gpu_unai.PacketBuffer.U4[2] = *list_position++;
605 gpuDrawLineF(packet, driver);
606 gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
607
608 num_vertexes++;
609 if(list_position >= list_end) {
610 cmd = -1;
611 goto breakloop;
612 }
613 if((le32_raw(*list_position) & HTOLE32(0xf000f000)) == HTOLE32(0x50005000))
614 break;
615 }
616
617 len += (num_vertexes - 2);
618 } break;
619
620 case 0x50:
621 case 0x51:
622 case 0x52:
623 case 0x53: { // Gouraud-shaded line
624 // Shift index right by one, as untextured prims don't use lighting
625 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
626 // Index MSB selects Gouraud-shaded PixelSpanDriver:
627 driver_idx |= (1 << 5);
628 PSD driver = gpuPixelSpanDrivers[driver_idx];
629 gpuDrawLineG(packet, driver);
630 gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
631 } break;
632
633 case 0x58 ... 0x5F: { // Gouraud-shaded line strip
634 u32 num_vertexes = 1;
635 le32_t *list_position = &list[2];
636
637 // Shift index right by one, as untextured prims don't use lighting
638 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
639 // Index MSB selects Gouraud-shaded PixelSpanDriver:
640 driver_idx |= (1 << 5);
641 PSD driver = gpuPixelSpanDrivers[driver_idx];
642 gpuDrawLineG(packet, driver);
643
644 while(1)
645 {
646 gpu_unai.PacketBuffer.U4[0] = gpu_unai.PacketBuffer.U4[2];
647 gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[3];
648 gpu_unai.PacketBuffer.U4[2] = *list_position++;
649 gpu_unai.PacketBuffer.U4[3] = *list_position++;
650 gpuDrawLineG(packet, driver);
651 gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
652
653 num_vertexes++;
654 if(list_position >= list_end) {
655 cmd = -1;
656 goto breakloop;
657 }
658 if((le32_raw(*list_position) & HTOLE32(0xf000f000)) == HTOLE32(0x50005000))
659 break;
660 }
661
662 len += (num_vertexes - 2) * 2;
663 } break;
664
665 case 0x60:
666 case 0x61:
667 case 0x62:
668 case 0x63: { // Monochrome rectangle (variable size)
669 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
670 s32 w = 0, h = 0;
671 gpuDrawT(packet, driver, &w, &h);
672 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
673 } break;
674
675 case 0x64:
676 case 0x65:
677 case 0x66:
678 case 0x67: { // Textured rectangle (variable size)
679 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
680 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
681 s32 w = 0, h = 0;
682
683 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
684 // This fixes Silent Hill running animation on loading screens:
685 // (On PSX, color values 0x00-0x7F darken the source texture's color,
686 // 0x81-FF lighten textures (ultimately clamped to 0x1F),
687 // 0x80 leaves source texture color unchanged, HOWEVER,
688 // gpu_unai uses a simple lighting LUT whereby only the upper
689 // 5 bits of an 8-bit color are used, so 0x80-0x87 all behave as
690 // 0x80.
691 //
692 // NOTE: I've changed all textured sprite draw commands here and
693 // elsewhere to use proper behavior, but left poly commands
694 // alone, I don't want to slow rendering down too much. (TODO)
695 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
696 // Strip lower 3 bits of each color and determine if lighting should be used:
697 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
698 driver_idx |= Lighting;
699 PS driver = gpuSpriteSpanDrivers[driver_idx];
700 gpuDrawS(packet, driver, &w, &h);
701 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
702 } break;
703
704 case 0x68:
705 case 0x69:
706 case 0x6A:
707 case 0x6B: { // Monochrome rectangle (1x1 dot)
708 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00010001);
709 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
710 s32 w = 0, h = 0;
711 gpuDrawT(packet, driver, &w, &h);
712 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(1, 1));
713 } break;
714
715 case 0x70:
716 case 0x71:
717 case 0x72:
718 case 0x73: { // Monochrome rectangle (8x8)
719 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00080008);
720 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
721 s32 w = 0, h = 0;
722 gpuDrawT(packet, driver, &w, &h);
723 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
724 } break;
725
726 case 0x74:
727 case 0x75:
728 case 0x76:
729 case 0x77: { // Textured rectangle (8x8)
730 gpu_unai.PacketBuffer.U4[3] = u32_to_le32(0x00080008);
731 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
732 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
733 s32 w = 0, h = 0;
734
735 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
736 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
737 // Strip lower 3 bits of each color and determine if lighting should be used:
738 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
739 driver_idx |= Lighting;
740 PS driver = gpuSpriteSpanDrivers[driver_idx];
741 gpuDrawS(packet, driver, &w, &h);
742 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
743 } break;
744
745 case 0x78:
746 case 0x79:
747 case 0x7A:
748 case 0x7B: { // Monochrome rectangle (16x16)
749 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00100010);
750 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
751 s32 w = 0, h = 0;
752 gpuDrawT(packet, driver, &w, &h);
753 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
754 } break;
755
756 case 0x7C:
757 case 0x7D:
758#ifdef __arm__
759 if ((gpu_unai.GPU_GP1 & 0x180) == 0 && (gpu_unai.Masking | gpu_unai.PixelMSB) == 0)
760 {
761 s32 w = 0, h = 0;
762 gpuSetCLUT(le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
763 gpuDrawS16(packet, &w, &h);
764 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
765 break;
766 }
767 // fallthrough
768#endif
769 case 0x7E:
770 case 0x7F: { // Textured rectangle (16x16)
771 gpu_unai.PacketBuffer.U4[3] = u32_to_le32(0x00100010);
772 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
773 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
774 s32 w = 0, h = 0;
775 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
776 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
777 // Strip lower 3 bits of each color and determine if lighting should be used:
778 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
779 driver_idx |= Lighting;
780 PS driver = gpuSpriteSpanDrivers[driver_idx];
781 gpuDrawS(packet, driver, &w, &h);
782 gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(w, h));
783 } break;
784
785#ifdef TEST
786 case 0x80: // vid -> vid
787 gpuMoveImage(packet);
788 break;
789
790 case 0xA0: // sys -> vid
791 {
792 u32 load_width = list[2] & 0xffff;
793 u32 load_height = list[2] >> 16;
794 u32 load_size = load_width * load_height;
795
796 len += load_size / 2;
797 } break;
798
799 case 0xC0:
800 break;
801#else
802 case 0x1F: // irq?
803 case 0x80 ... 0x9F: // vid -> vid
804 case 0xA0 ... 0xBF: // sys -> vid
805 case 0xC0 ... 0xDF: // vid -> sys
806 // Handled by gpulib
807 goto breakloop;
808#endif
809 case 0xE1 ... 0xE6: { // Draw settings
810 gpuGP0Cmd_0xEx(gpu_unai, le32_to_u32(gpu_unai.PacketBuffer.U4[0]));
811 } break;
812 }
813 }
814
815breakloop:
816 gpu.ex_regs[1] &= ~0x1ff;
817 gpu.ex_regs[1] |= gpu_unai.GPU_GP1 & 0x1ff;
818
819 *cycles_sum_out += cpu_cycles_sum;
820 *cycles_last = cpu_cycles;
821 *last_cmd = cmd;
822 return list - list_start;
823}
824
825void renderer_sync_ecmds(u32 *ecmds)
826{
827 int dummy;
828 do_cmd_list(&ecmds[1], 6, &dummy, &dummy, &dummy);
829}
830
831void renderer_update_caches(int x, int y, int w, int h, int state_changed)
832{
833}
834
835void renderer_flush_queues(void)
836{
837}
838
839void renderer_set_interlace(int enable, int is_odd)
840{
841}
842
843#include "../../frontend/plugin_lib.h"
844// Handle any gpulib settings applicable to gpu_unai:
845void renderer_set_config(const struct rearmed_cbs *cbs)
846{
847 gpu_unai.vram = (le16_t *)gpu.vram;
848 gpu_unai.config.ilace_force = cbs->gpu_unai.ilace_force;
849 gpu_unai.config.pixel_skip = cbs->gpu_unai.pixel_skip;
850 gpu_unai.config.lighting = cbs->gpu_unai.lighting;
851 gpu_unai.config.fast_lighting = cbs->gpu_unai.fast_lighting;
852 gpu_unai.config.blending = cbs->gpu_unai.blending;
853 gpu_unai.config.dithering = cbs->gpu_unai.dithering;
854 gpu_unai.config.scale_hires = cbs->gpu_unai.scale_hires;
855
856 gpu.state.downscale_enable = gpu_unai.config.scale_hires;
857 if (gpu_unai.config.scale_hires) {
858 map_downscale_buffer();
859 } else {
860 unmap_downscale_buffer();
861 }
862}
863
864void renderer_sync(void)
865{
866}
867
868void renderer_notify_update_lace(int updated)
869{
870}
871
872// vim:shiftwidth=2:expandtab
ARM optimized PCSX fork