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libretro: drop the Frame Duping option
[pcsx_rearmed.git] / plugins / gpu_unai / gpulib_if.cpp
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6f2ee2be 1/***************************************************************************
2* Copyright (C) 2010 PCSX4ALL Team *
3* Copyright (C) 2010 Unai *
4* Copyright (C) 2011 notaz *
030d1121 5* Copyright (C) 2016 Senquack (dansilsby <AT> gmail <DOT> com) *
6f2ee2be 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
030d1121 23#include <stddef.h>
6f2ee2be 24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
62d7fa95 27#include "../gpulib/gpu.h"
c765eb86
JW		 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
030d1121 45//#include "port.h"
46#include "gpu_unai.h"
6f2ee2be 47
030d1121 48// GPU fixed point math
49#include "gpu_fixedpoint.h"
6f2ee2be 50
030d1121 51// Inner loop driver instantiation file
52#include "gpu_inner.h"
6f2ee2be 53
54// GPU internal image drawing functions
030d1121 55#include "gpu_raster_image.h"
6f2ee2be 56
57// GPU internal line drawing functions
030d1121 58#include "gpu_raster_line.h"
6f2ee2be 59
60// GPU internal polygon drawing functions
030d1121 61#include "gpu_raster_polygon.h"
6f2ee2be 62
63// GPU internal sprite drawing functions
030d1121 64#include "gpu_raster_sprite.h"
6f2ee2be 65
66// GPU command buffer execution/store
030d1121 67#include "gpu_command.h"
6f2ee2be 68
6f2ee2be 69/////////////////////////////////////////////////////////////////////////////
70
43047988
JW		 71#define DOWNSCALE_VRAM_SIZE (1024 * 512 * 2 * 2 + 4096)
72
8999ff50 73INLINE void scale_640_to_320(le16_t *dest, const le16_t *src, bool isRGB24) {
43047988
JW		 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 {
8999ff50
PC		 87 const le16_t* src16 = src;
88 le16_t* dst16 = dest;
43047988
JW		 89
90 do {
8999ff50 91 *dst16++ = *src16;
43047988
JW		 92 src16 += 2;
93 } while(--uCount);
94 }
95}
96
8999ff50 97INLINE void scale_512_to_320(le16_t *dest, const le16_t *src, bool isRGB24) {
43047988
JW		 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 {
4949d4ff 125 const le16_t* src16 = src;
8999ff50 126 le16_t* dst16 = dest;
43047988
JW		 127
128 do {
8999ff50
PC		 129 *dst16++ = *src16++;
130 *dst16++ = *src16;
43047988 131 src16 += 2;
8999ff50
PC		 132 *dst16++ = *src16++;
133 *dst16++ = *src16;
43047988 134 src16 += 2;
8999ff50 135 *dst16++ = *src16;
43047988
JW		 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{
8999ff50 143 le16_t *dest = gpu_unai.downscale_vram;
4949d4ff 144 const le16_t *src = gpu_unai.vram;
43047988
JW		 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 {
8999ff50 187 memcpy(dest + fb_offset_dest, src + fb_offset_src, size);
43047988
JW		 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
8999ff50 194 return (uint16_t *)gpu_unai.downscale_vram;
43047988
JW		 195}
196
197static void map_downscale_buffer(void)
198{
199 if (gpu_unai.downscale_vram)
200 return;
201
8999ff50 202 gpu_unai.downscale_vram = (le16_t*)gpu.mmap(DOWNSCALE_VRAM_SIZE);
43047988
JW		 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
6f2ee2be 223int renderer_init(void)
224{
030d1121 225 memset((void*)&gpu_unai, 0, sizeof(gpu_unai));
4949d4ff 226 gpu_unai.vram = (le16_t *)gpu.vram;
030d1121 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
43047988
JW		 266 if (gpu_unai.config.scale_hires) {
267 map_downscale_buffer();
268 }
269
030d1121 270 return 0;
6f2ee2be 271}
272
e929dec5 273void renderer_finish(void)
274{
43047988 275 unmap_downscale_buffer();
e929dec5 276}
277
278void renderer_notify_res_change(void)
279{
030d1121 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",
b9db55a9 315 gpu.screen.hres, gpu.screen.vres, (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 15,
030d1121 316 gpu_unai.ilace_mask);
317 */
318}
319
9a864a8f 320void renderer_notify_scanout_change(int x, int y)
3b7b0065 321{
322}
323
12367ad0 324#ifdef USE_GPULIB
030d1121 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 }
e929dec5 390}
12367ad0 391#endif
e929dec5 392
6f2ee2be 393extern const unsigned char cmd_lengths[256];
394
4949d4ff 395int do_cmd_list(u32 *_list, int list_len, int *last_cmd)
6f2ee2be 396{
5f315a8f 397 u32 cmd = 0, len, i;
4949d4ff
PC		 398 le32_t *list = (le32_t *)_list;
399 le32_t *list_start = list;
400 le32_t *list_end = list + list_len;
6f2ee2be 401
030d1121 402 //TODO: set ilace_mask when resolution changes instead of every time,
403 // eliminate #ifdef below.
404 gpu_unai.ilace_mask = gpu_unai.config.ilace_force;
405
8f2bb0cb 406#ifdef HAVE_PRE_ARMV7 /* XXX */
b9db55a9 407 gpu_unai.ilace_mask |= !!(gpu.status & PSX_GPU_STATUS_INTERLACE);
89c0de42 408#endif
43047988 409 if (gpu_unai.config.scale_hires) {
b9db55a9 410 gpu_unai.ilace_mask |= !!(gpu.status & PSX_GPU_STATUS_INTERLACE);
43047988 411 }
89c0de42 412
6f2ee2be 413 for (; list < list_end; list += 1 + len)
414 {
4949d4ff 415 cmd = le32_to_u32(*list) >> 24;
6f2ee2be 416 len = cmd_lengths[cmd];
b243416b 417 if (list + 1 + len > list_end) {
418 cmd = -1;
419 break;
420 }
421
42a261f1 422 #define PRIM cmd
030d1121 423 gpu_unai.PacketBuffer.U4[0] = list[0];
42a261f1 424 for (i = 1; i <= len; i++)
030d1121 425 gpu_unai.PacketBuffer.U4[i] = list[i];
426
427 PtrUnion packet = { .ptr = (void*)&gpu_unai.PacketBuffer };
6f2ee2be 428
42a261f1 429 switch (cmd)
6f2ee2be 430 {
42a261f1 431 case 0x02:
030d1121 432 gpuClearImage(packet);
42a261f1 433 break;
434
435 case 0x20:
436 case 0x21:
437 case 0x22:
030d1121 438 case 0x23: { // Monochrome 3-pt poly
439 PP driver = gpuPolySpanDrivers[
440 (gpu_unai.blit_mask?1024:0) |
441 Blending_Mode |
442 gpu_unai.Masking | Blending | gpu_unai.PixelMSB
443 ];
444 gpuDrawPolyF(packet, driver, false);
445 } break;
42a261f1 446
447 case 0x24:
448 case 0x25:
449 case 0x26:
030d1121 450 case 0x27: { // Textured 3-pt poly
4949d4ff
PC		 451 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
452 gpuSetTexture(le32_to_u32(gpu_unai.PacketBuffer.U4[4]) >> 16);
030d1121 453
454 u32 driver_idx =
455 (gpu_unai.blit_mask?1024:0) |
456 Dithering |
457 Blending_Mode | gpu_unai.TEXT_MODE |
458 gpu_unai.Masking | Blending | gpu_unai.PixelMSB;
459
460 if (!FastLightingEnabled()) {
461 driver_idx |= Lighting;
462 } else {
463 if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)))
464 driver_idx |= Lighting;
465 }
466
467 PP driver = gpuPolySpanDrivers[driver_idx];
468 gpuDrawPolyFT(packet, driver, false);
469 } break;
42a261f1 470
471 case 0x28:
472 case 0x29:
473 case 0x2A:
030d1121 474 case 0x2B: { // Monochrome 4-pt poly
475 PP driver = gpuPolySpanDrivers[
476 (gpu_unai.blit_mask?1024:0) |
477 Blending_Mode |
478 gpu_unai.Masking | Blending | gpu_unai.PixelMSB
479 ];
480 gpuDrawPolyF(packet, driver, true); // is_quad = true
481 } break;
42a261f1 482
483 case 0x2C:
484 case 0x2D:
485 case 0x2E:
030d1121 486 case 0x2F: { // Textured 4-pt poly
4949d4ff
PC		 487 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
488 gpuSetTexture(le32_to_u32(gpu_unai.PacketBuffer.U4[4]) >> 16);
030d1121 489
490 u32 driver_idx =
491 (gpu_unai.blit_mask?1024:0) |
492 Dithering |
493 Blending_Mode | gpu_unai.TEXT_MODE |
494 gpu_unai.Masking | Blending | gpu_unai.PixelMSB;
495
496 if (!FastLightingEnabled()) {
497 driver_idx |= Lighting;
498 } else {
499 if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)))
500 driver_idx |= Lighting;
501 }
502
503 PP driver = gpuPolySpanDrivers[driver_idx];
504 gpuDrawPolyFT(packet, driver, true); // is_quad = true
505 } break;
42a261f1 506
507 case 0x30:
508 case 0x31:
509 case 0x32:
030d1121 510 case 0x33: { // Gouraud-shaded 3-pt poly
511 //NOTE: The '129' here is CF_GOURAUD | CF_LIGHT, however
512 // this is an untextured poly, so CF_LIGHT (texture blend)
513 // shouldn't apply. Until the original array of template
514 // instantiation ptrs is fixed, we're stuck with this. (TODO)
515 PP driver = gpuPolySpanDrivers[
516 (gpu_unai.blit_mask?1024:0) |
517 Dithering |
518 Blending_Mode |
519 gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB
520 ];
521 gpuDrawPolyG(packet, driver, false);
522 } break;
42a261f1 523
524 case 0x34:
525 case 0x35:
526 case 0x36:
030d1121 527 case 0x37: { // Gouraud-shaded, textured 3-pt poly
4949d4ff
PC		 528 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
529 gpuSetTexture (le32_to_u32(gpu_unai.PacketBuffer.U4[5]) >> 16);
030d1121 530 PP driver = gpuPolySpanDrivers[
531 (gpu_unai.blit_mask?1024:0) |
532 Dithering |
533 Blending_Mode | gpu_unai.TEXT_MODE |
534 gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB
535 ];
536 gpuDrawPolyGT(packet, driver, false);
537 } break;
42a261f1 538
539 case 0x38:
540 case 0x39:
541 case 0x3A:
030d1121 542 case 0x3B: { // Gouraud-shaded 4-pt poly
543 // See notes regarding '129' for 0x30..0x33 further above -senquack
544 PP driver = gpuPolySpanDrivers[
545 (gpu_unai.blit_mask?1024:0) |
546 Dithering |
547 Blending_Mode |
548 gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB
549 ];
550 gpuDrawPolyG(packet, driver, true); // is_quad = true
551 } break;
42a261f1 552
553 case 0x3C:
554 case 0x3D:
555 case 0x3E:
030d1121 556 case 0x3F: { // Gouraud-shaded, textured 4-pt poly
4949d4ff
PC		 557 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
558 gpuSetTexture (le32_to_u32(gpu_unai.PacketBuffer.U4[5]) >> 16);
030d1121 559 PP driver = gpuPolySpanDrivers[
560 (gpu_unai.blit_mask?1024:0) |
561 Dithering |
562 Blending_Mode | gpu_unai.TEXT_MODE |
563 gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB
564 ];
565 gpuDrawPolyGT(packet, driver, true); // is_quad = true
566 } break;
42a261f1 567
568 case 0x40:
569 case 0x41:
570 case 0x42:
030d1121 571 case 0x43: { // Monochrome line
572 // Shift index right by one, as untextured prims don't use lighting
573 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
574 PSD driver = gpuPixelSpanDrivers[driver_idx];
575 gpuDrawLineF(packet, driver);
576 } break;
577
578 case 0x48 ... 0x4F: { // Monochrome line strip
6f2ee2be 579 u32 num_vertexes = 1;
4949d4ff 580 le32_t *list_position = &list[2];
8aea5f5a 581
030d1121 582 // Shift index right by one, as untextured prims don't use lighting
583 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
584 PSD driver = gpuPixelSpanDrivers[driver_idx];
585 gpuDrawLineF(packet, driver);
6f2ee2be 586
587 while(1)
588 {
030d1121 589 gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[2];
590 gpu_unai.PacketBuffer.U4[2] = *list_position++;
591 gpuDrawLineF(packet, driver);
8aea5f5a 592
6f2ee2be 593 num_vertexes++;
5f315a8f 594 if(list_position >= list_end) {
804789d7 595 cmd = -1;
596 goto breakloop;
597 }
4949d4ff 598 if((le32_raw(*list_position) & HTOLE32(0xf000f000)) == HTOLE32(0x50005000))
b243416b 599 break;
6f2ee2be 600 }
601
b243416b 602 len += (num_vertexes - 2);
030d1121 603 } break;
6f2ee2be 604
42a261f1 605 case 0x50:
606 case 0x51:
607 case 0x52:
030d1121 608 case 0x53: { // Gouraud-shaded line
609 // Shift index right by one, as untextured prims don't use lighting
610 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
611 // Index MSB selects Gouraud-shaded PixelSpanDriver:
612 driver_idx |= (1 << 5);
613 PSD driver = gpuPixelSpanDrivers[driver_idx];
614 gpuDrawLineG(packet, driver);
615 } break;
616
617 case 0x58 ... 0x5F: { // Gouraud-shaded line strip
6f2ee2be 618 u32 num_vertexes = 1;
4949d4ff 619 le32_t *list_position = &list[2];
8aea5f5a 620
030d1121 621 // Shift index right by one, as untextured prims don't use lighting
622 u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1;
623 // Index MSB selects Gouraud-shaded PixelSpanDriver:
624 driver_idx |= (1 << 5);
625 PSD driver = gpuPixelSpanDrivers[driver_idx];
626 gpuDrawLineG(packet, driver);
6f2ee2be 627
628 while(1)
629 {
030d1121 630 gpu_unai.PacketBuffer.U4[0] = gpu_unai.PacketBuffer.U4[2];
631 gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[3];
632 gpu_unai.PacketBuffer.U4[2] = *list_position++;
633 gpu_unai.PacketBuffer.U4[3] = *list_position++;
634 gpuDrawLineG(packet, driver);
8aea5f5a 635
6f2ee2be 636 num_vertexes++;
5f315a8f 637 if(list_position >= list_end) {
804789d7 638 cmd = -1;
639 goto breakloop;
640 }
4949d4ff 641 if((le32_raw(*list_position) & HTOLE32(0xf000f000)) == HTOLE32(0x50005000))
b243416b 642 break;
6f2ee2be 643 }
644
b243416b 645 len += (num_vertexes - 2) * 2;
030d1121 646 } break;
6f2ee2be 647
42a261f1 648 case 0x60:
649 case 0x61:
650 case 0x62:
030d1121 651 case 0x63: { // Monochrome rectangle (variable size)
652 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
653 gpuDrawT(packet, driver);
654 } break;
42a261f1 655
656 case 0x64:
657 case 0x65:
658 case 0x66:
030d1121 659 case 0x67: { // Textured rectangle (variable size)
4949d4ff 660 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
030d1121 661 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
662
663 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
664 // This fixes Silent Hill running animation on loading screens:
665 // (On PSX, color values 0x00-0x7F darken the source texture's color,
666 // 0x81-FF lighten textures (ultimately clamped to 0x1F),
667 // 0x80 leaves source texture color unchanged, HOWEVER,
668 // gpu_unai uses a simple lighting LUT whereby only the upper
669 // 5 bits of an 8-bit color are used, so 0x80-0x87 all behave as
670 // 0x80.
671 //
672 // NOTE: I've changed all textured sprite draw commands here and
673 // elsewhere to use proper behavior, but left poly commands
674 // alone, I don't want to slow rendering down too much. (TODO)
675 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
676 // Strip lower 3 bits of each color and determine if lighting should be used:
4949d4ff 677 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
030d1121 678 driver_idx |= Lighting;
679 PS driver = gpuSpriteSpanDrivers[driver_idx];
680 gpuDrawS(packet, driver);
681 } break;
42a261f1 682
683 case 0x68:
684 case 0x69:
685 case 0x6A:
030d1121 686 case 0x6B: { // Monochrome rectangle (1x1 dot)
4949d4ff 687 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00010001);
030d1121 688 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
689 gpuDrawT(packet, driver);
690 } break;
42a261f1 691
692 case 0x70:
693 case 0x71:
694 case 0x72:
030d1121 695 case 0x73: { // Monochrome rectangle (8x8)
4949d4ff 696 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00080008);
030d1121 697 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
698 gpuDrawT(packet, driver);
699 } break;
42a261f1 700
701 case 0x74:
702 case 0x75:
703 case 0x76:
030d1121 704 case 0x77: { // Textured rectangle (8x8)
4949d4ff
PC		 705 gpu_unai.PacketBuffer.U4[3] = u32_to_le32(0x00080008);
706 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
030d1121 707 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
708
709 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
710 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
711 // Strip lower 3 bits of each color and determine if lighting should be used:
4949d4ff 712 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
030d1121 713 driver_idx |= Lighting;
714 PS driver = gpuSpriteSpanDrivers[driver_idx];
715 gpuDrawS(packet, driver);
716 } break;
42a261f1 717
718 case 0x78:
719 case 0x79:
720 case 0x7A:
030d1121 721 case 0x7B: { // Monochrome rectangle (16x16)
4949d4ff 722 gpu_unai.PacketBuffer.U4[2] = u32_to_le32(0x00100010);
030d1121 723 PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1];
724 gpuDrawT(packet, driver);
725 } break;
42a261f1 726
727 case 0x7C:
728 case 0x7D:
729#ifdef __arm__
030d1121 730 if ((gpu_unai.GPU_GP1 & 0x180) == 0 && (gpu_unai.Masking | gpu_unai.PixelMSB) == 0)
42a261f1 731 {
4949d4ff 732 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
030d1121 733 gpuDrawS16(packet);
42a261f1 734 break;
735 }
736 // fallthrough
737#endif
738 case 0x7E:
030d1121 739 case 0x7F: { // Textured rectangle (16x16)
4949d4ff
PC		 740 gpu_unai.PacketBuffer.U4[3] = u32_to_le32(0x00100010);
741 gpuSetCLUT (le32_to_u32(gpu_unai.PacketBuffer.U4[2]) >> 16);
030d1121 742 u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1);
743 //senquack - Only color 808080h-878787h allows skipping lighting calculation:
744 //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))
745 // Strip lower 3 bits of each color and determine if lighting should be used:
4949d4ff 746 if ((le32_raw(gpu_unai.PacketBuffer.U4[0]) & HTOLE32(0xF8F8F8)) != HTOLE32(0x808080))
030d1121 747 driver_idx |= Lighting;
748 PS driver = gpuSpriteSpanDrivers[driver_idx];
749 gpuDrawS(packet, driver);
750 } break;
42a261f1 751
36da9c13 752#ifdef TEST
42a261f1 753 case 0x80: // vid -> vid
030d1121 754 gpuMoveImage(packet);
42a261f1 755 break;
030d1121 756
9a6e7816 757 case 0xA0: // sys -> vid
758 {
759 u32 load_width = list[2] & 0xffff;
760 u32 load_height = list[2] >> 16;
761 u32 load_size = load_width * load_height;
762
763 len += load_size / 2;
030d1121 764 } break;
765
42a261f1 766 case 0xC0:
767 break;
768#else
36da9c13 769 case 0x80 ... 0x9F: // vid -> vid
770 case 0xA0 ... 0xBF: // sys -> vid
771 case 0xC0 ... 0xDF: // vid -> sys
030d1121 772 // Handled by gpulib
42a261f1 773 goto breakloop;
9a6e7816 774#endif
030d1121 775 case 0xE1 ... 0xE6: { // Draw settings
4949d4ff 776 gpuGP0Cmd_0xEx(gpu_unai, le32_to_u32(gpu_unai.PacketBuffer.U4[0]));
030d1121 777 } break;
6f2ee2be 778 }
779 }
b243416b 780
42a261f1 781breakloop:
b243416b 782 gpu.ex_regs[1] &= ~0x1ff;
030d1121 783 gpu.ex_regs[1] |= gpu_unai.GPU_GP1 & 0x1ff;
b243416b 784
785 *last_cmd = cmd;
786 return list - list_start;
6f2ee2be 787}
788
4949d4ff 789void renderer_sync_ecmds(u32 *ecmds)
6f2ee2be 790{
42a261f1 791 int dummy;
792 do_cmd_list(&ecmds[1], 6, &dummy);
6f2ee2be 793}
794
3b7b0065 795void renderer_update_caches(int x, int y, int w, int h, int state_changed)
6f2ee2be 796{
797}
798
799void renderer_flush_queues(void)
800{
801}
914455e6 802
5440b88e 803void renderer_set_interlace(int enable, int is_odd)
804{
805}
806
914455e6 807#include "../../frontend/plugin_lib.h"
030d1121 808// Handle any gpulib settings applicable to gpu_unai:
914455e6 809void renderer_set_config(const struct rearmed_cbs *cbs)
810{
4949d4ff 811 gpu_unai.vram = (le16_t *)gpu.vram;
030d1121 812 gpu_unai.config.ilace_force = cbs->gpu_unai.ilace_force;
813 gpu_unai.config.pixel_skip = cbs->gpu_unai.pixel_skip;
814 gpu_unai.config.lighting = cbs->gpu_unai.lighting;
815 gpu_unai.config.fast_lighting = cbs->gpu_unai.fast_lighting;
816 gpu_unai.config.blending = cbs->gpu_unai.blending;
817 gpu_unai.config.dithering = cbs->gpu_unai.dithering;
43047988
JW		 818 gpu_unai.config.scale_hires = cbs->gpu_unai.scale_hires;
819
820 gpu.state.downscale_enable = gpu_unai.config.scale_hires;
821 if (gpu_unai.config.scale_hires) {
822 map_downscale_buffer();
823 } else {
824 unmap_downscale_buffer();
825 }
914455e6 826}
9a6e7816 827
c765eb86
JW		 828void renderer_sync(void)
829{
830}
831
832void renderer_notify_update_lace(int updated)
833{
834}
835
42a261f1 836// vim:shiftwidth=2:expandtab
ARM optimized PCSX fork