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add NEON GPU rasterizer
[pcsx_rearmed.git] / plugins / gpu_neon / psx_gpu / psx_gpu_parse.c
CommitLineData
75e28f62
E		 1/*
2 * Copyright (C) 2011 Gilead Kutnick "Exophase" <exophase@gmail.com>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 */
14
15#include <stdio.h>
16
17#include "common.h"
18
19const u8 command_lengths[256] =
20{
21 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00
22 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10
23 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20
24 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30
25 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40
26 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50
27 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, // 60
28 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70
29 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80
30 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90
31 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0
32 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b0
33 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0
34 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d0
35 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0
36 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0
37};
38
39void update_texture_ptr(psx_gpu_struct *psx_gpu)
40{
41 u8 *texture_ptr;
42
43 switch((psx_gpu->render_state_base >> 8) & 0x3)
44 {
45 default:
46 case TEXTURE_MODE_4BPP:
47#ifdef TEXTURE_CACHE_4BPP
48 texture_ptr = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page];
49 texture_ptr += psx_gpu->texture_window_x & 0xF;
50 texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
51 texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
52 texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
53#else
54 texture_ptr = (u8 *)(psx_gpu->vram_ptr);
55 texture_ptr += (psx_gpu->current_texture_page & 0xF) * 128;
56 texture_ptr += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;
57 texture_ptr += psx_gpu->texture_window_x / 2;
58 texture_ptr += (psx_gpu->texture_window_y) * 2048;
59#endif
60 break;
61
62 case TEXTURE_MODE_8BPP:
63#ifdef TEXTURE_CACHE_8BPP
64 if(psx_gpu->current_texture_page & 0x1)
65 {
66 texture_ptr =
67 psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1];
68 }
69 else
70 {
71 texture_ptr =
72 psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1];
73 }
74
75 texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
76 texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
77 texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
78#else
79 texture_ptr = (u8 *)(psx_gpu->vram_ptr);
80 texture_ptr += (psx_gpu->current_texture_page & 0xF) * 128;
81 texture_ptr += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;
82 texture_ptr += psx_gpu->texture_window_x;
83 texture_ptr += (psx_gpu->texture_window_y) * 2048;
84#endif
85 break;
86
87 case TEXTURE_MODE_16BPP:
88 texture_ptr = (u8 *)(psx_gpu->vram_ptr);
89 texture_ptr += (psx_gpu->current_texture_page & 0xF) * 128;
90 texture_ptr += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;
91 texture_ptr += psx_gpu->texture_window_x * 2;
92 texture_ptr += (psx_gpu->texture_window_y) * 2048;
93 break;
94 }
95
96 psx_gpu->texture_page_ptr = texture_ptr;
97}
98
99void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
100{
101 if(psx_gpu->texture_settings != texture_settings)
102 {
103 u32 new_texture_page = texture_settings & 0x1F;
104 u32 texture_mode = (texture_settings >> 7) & 0x3;
105 u32 render_state_base = psx_gpu->render_state_base;
106
107 if(psx_gpu->current_texture_page != new_texture_page)
108 flush_render_block_buffer(psx_gpu);
109
110 render_state_base &= ~(0xF << 6);
111 render_state_base |= ((texture_settings >> 5) & 0xF) << 6;
112
113 psx_gpu->render_state_base = render_state_base;
114
115 psx_gpu->current_texture_mask = 0x1 << new_texture_page;
116
117 if(texture_mode == TEXTURE_MODE_8BPP)
118 {
119 // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it
120 // wraps back around to the left edge.
121 u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10);
122 psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page;
123
124 if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
125 {
126 u32 dirty_textures_8bpp_alternate_mask =
127 psx_gpu->dirty_textures_8bpp_alternate_mask;
128 psx_gpu->dirty_textures_8bpp_alternate_mask =
129 psx_gpu->dirty_textures_8bpp_mask;
130 psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask;
131 }
132
133 psx_gpu->last_8bpp_texture_page = new_texture_page;
134 }
135
136 psx_gpu->current_texture_page = new_texture_page;
137 psx_gpu->texture_settings = texture_settings;
138
139 update_texture_ptr(psx_gpu);
140 }
141}
142
143void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
144{
145 if(psx_gpu->clut_settings != clut_settings)
146 {
147 flush_render_block_buffer(psx_gpu);
148 psx_gpu->clut_settings = clut_settings;
149 psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16);
150 }
151}
152
153void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
154{
155 if(psx_gpu->triangle_color != triangle_color)
156 {
157 flush_render_block_buffer(psx_gpu);
158 psx_gpu->triangle_color = triangle_color;
159 }
160}
161
162#define sign_extend_12bit(value) \
163 (((s32)((value) << 20)) >> 20) \
164
165#define get_vertex_data_xy(vertex_number, offset16) \
166 vertexes[vertex_number].x = \
167 sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \
168 vertexes[vertex_number].y = \
169 sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \
170
171#define get_vertex_data_uv(vertex_number, offset16) \
172 vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \
173 vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \
174
175#define get_vertex_data_rgb(vertex_number, offset32) \
176 vertexes[vertex_number].r = list[offset32] & 0xFF; \
177 vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \
178 vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \
179
180#define get_vertex_data_xy_uv(vertex_number, offset16) \
181 get_vertex_data_xy(vertex_number, offset16); \
182 get_vertex_data_uv(vertex_number, (offset16) + 2) \
183
184#define get_vertex_data_xy_rgb(vertex_number, offset16) \
185 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
186 get_vertex_data_xy(vertex_number, (offset16) + 2); \
187
188#define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \
189 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
190 get_vertex_data_xy(vertex_number, (offset16) + 2); \
191 get_vertex_data_uv(vertex_number, (offset16) + 4); \
192
193#define set_vertex_color_constant(vertex_number, color) \
194 vertexes[vertex_number].r = color & 0xFF; \
195 vertexes[vertex_number].g = (color >> 8) & 0xFF; \
196 vertexes[vertex_number].b = (color >> 16) & 0xFF \
197
198#define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \
199 get_vertex_data_xy(vertex_number, offset16); \
200 set_vertex_color_constant(vertex_number, color) \
201
202vertex_struct vertexes[4] __attribute__((aligned(32)));
203
204void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
205{
206 u32 current_command, command_length;
207
208 u32 *list_end = list + (size / 4);
209
210 for(; list < list_end; list += 1 + command_length)
211 {
212 s16 *list_s16 = (void *)list;
213 current_command = *list >> 24;
214 command_length = command_lengths[current_command];
215
216 switch(current_command)
217 {
218 case 0x00:
219 break;
220
221 case 0x02:
222 render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2], list_s16[3],
223 list_s16[4] & 0x3FF, list_s16[5] & 0x3FF);
224 break;
225
226 case 0x20 ... 0x23:
227 {
228 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
229
230 get_vertex_data_xy(0, 2);
231 get_vertex_data_xy(1, 4);
232 get_vertex_data_xy(2, 6);
233
234 render_triangle(psx_gpu, vertexes, current_command);
235 break;
236 }
237
238 case 0x24 ... 0x27:
239 {
240 set_clut(psx_gpu, list_s16[5]);
241 set_texture(psx_gpu, list_s16[9]);
242 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
243
244 get_vertex_data_xy_uv(0, 2);
245 get_vertex_data_xy_uv(1, 6);
246 get_vertex_data_xy_uv(2, 10);
247
248 render_triangle(psx_gpu, vertexes, current_command);
249 break;
250 }
251
252 case 0x28 ... 0x2B:
253 {
254 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
255
256 get_vertex_data_xy(0, 2);
257 get_vertex_data_xy(1, 4);
258 get_vertex_data_xy(2, 6);
259 get_vertex_data_xy(3, 8);
260
261 render_triangle(psx_gpu, vertexes, current_command);
262 render_triangle(psx_gpu, &(vertexes[1]), current_command);
263 break;
264 }
265
266 case 0x2C ... 0x2F:
267 {
268 set_clut(psx_gpu, list_s16[5]);
269 set_texture(psx_gpu, list_s16[9]);
270 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
271
272 get_vertex_data_xy_uv(0, 2);
273 get_vertex_data_xy_uv(1, 6);
274 get_vertex_data_xy_uv(2, 10);
275 get_vertex_data_xy_uv(3, 14);
276
277 render_triangle(psx_gpu, vertexes, current_command);
278 render_triangle(psx_gpu, &(vertexes[1]), current_command);
279 break;
280 }
281
282 case 0x30 ... 0x33:
283 {
284 get_vertex_data_xy_rgb(0, 0);
285 get_vertex_data_xy_rgb(1, 4);
286 get_vertex_data_xy_rgb(2, 8);
287
288 render_triangle(psx_gpu, vertexes, current_command);
289 break;
290 }
291
292 case 0x34:
293 case 0x35:
294 case 0x36:
295 case 0x37:
296 {
297 set_clut(psx_gpu, list_s16[5]);
298 set_texture(psx_gpu, list_s16[11]);
299
300 get_vertex_data_xy_uv_rgb(0, 0);
301 get_vertex_data_xy_uv_rgb(1, 6);
302 get_vertex_data_xy_uv_rgb(2, 12);
303
304 render_triangle(psx_gpu, vertexes, current_command);
305 break;
306 }
307
308 case 0x38:
309 case 0x39:
310 case 0x3A:
311 case 0x3B:
312 {
313 get_vertex_data_xy_rgb(0, 0);
314 get_vertex_data_xy_rgb(1, 4);
315 get_vertex_data_xy_rgb(2, 8);
316 get_vertex_data_xy_rgb(3, 12);
317
318 render_triangle(psx_gpu, vertexes, current_command);
319 render_triangle(psx_gpu, &(vertexes[1]), current_command);
320 break;
321 }
322
323 case 0x3C:
324 case 0x3D:
325 case 0x3E:
326 case 0x3F:
327 {
328 set_clut(psx_gpu, list_s16[5]);
329 set_texture(psx_gpu, list_s16[11]);
330
331 get_vertex_data_xy_uv_rgb(0, 0);
332 get_vertex_data_xy_uv_rgb(1, 6);
333 get_vertex_data_xy_uv_rgb(2, 12);
334 get_vertex_data_xy_uv_rgb(3, 18);
335
336 render_triangle(psx_gpu, vertexes, current_command);
337 render_triangle(psx_gpu, &(vertexes[1]), current_command);
338 break;
339 }
340
341 case 0x40 ... 0x47:
342 {
343 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
344 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
345 vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
346 vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
347
348 render_line(psx_gpu, vertexes, current_command, list[0]);
349 break;
350 }
351
352 case 0x48 ... 0x4F:
353 {
354 u32 num_vertexes = 1;
355 u32 *list_position = &(list[2]);
356 u32 xy = list[1];
357
358 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
359 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
360
361 while(1)
362 {
363 xy = *list_position;
364 if(xy == 0x55555555)
365 break;
366
367 vertexes[0] = vertexes[1];
368
369 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
370 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
371
372 list_position++;
373 num_vertexes++;
374
375 render_line(psx_gpu, vertexes, current_command, list[0]);
376 }
377
378 if(num_vertexes > 2)
379 command_length += (num_vertexes - 2);
380
381 break;
382 }
383
384 case 0x50 ... 0x57:
385 {
386 vertexes[0].r = list[0] & 0xFF;
387 vertexes[0].g = (list[0] >> 8) & 0xFF;
388 vertexes[0].b = (list[0] >> 16) & 0xFF;
389 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
390 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
391
392 vertexes[1].r = list[2] & 0xFF;
393 vertexes[1].g = (list[2] >> 8) & 0xFF;
394 vertexes[1].b = (list[2] >> 16) & 0xFF;
395 vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
396 vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
397
398 render_line(psx_gpu, vertexes, current_command, 0);
399 break;
400 }
401
402 case 0x58 ... 0x5F:
403 {
404 u32 num_vertexes = 1;
405 u32 *list_position = &(list[2]);
406 u32 color = list[0];
407 u32 xy = list[1];
408
409 vertexes[1].r = color & 0xFF;
410 vertexes[1].g = (color >> 8) & 0xFF;
411 vertexes[1].b = (color >> 16) & 0xFF;
412 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
413 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
414
415 while(1)
416 {
417 color = list_position[0];
418 if(color == 0x55555555)
419 break;
420
421 xy = list_position[1];
422
423 vertexes[0] = vertexes[1];
424
425 vertexes[1].r = color & 0xFF;
426 vertexes[1].g = (color >> 8) & 0xFF;
427 vertexes[1].b = (color >> 16) & 0xFF;
428 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
429 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
430
431 list_position += 2;
432 num_vertexes++;
433
434 render_line(psx_gpu, vertexes, current_command, 0);
435 }
436
437 if(num_vertexes > 2)
438 command_length += ((num_vertexes * 2) - 2);
439
440 break;
441 }
442
443 case 0x60 ... 0x63:
444 {
445 u32 x = list_s16[2] + psx_gpu->offset_x;
446 u32 y = list_s16[3] + psx_gpu->offset_y;
447 u32 width = list_s16[4] & 0x3FF;
448 u32 height = list_s16[5] & 0x1FF;
449
450 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
451
452 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
453 break;
454 }
455
456 case 0x64 ... 0x67:
457 {
458 u32 x = list_s16[2] + psx_gpu->offset_x;
459 u32 y = list_s16[3] + psx_gpu->offset_y;
460 u32 uv = list_s16[4];
461 u32 width = list_s16[6] & 0x3FF;
462 u32 height = list_s16[7] & 0x1FF;
463
464 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
465 set_clut(psx_gpu, list_s16[5]);
466
467 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
468 current_command, list[0]);
469 break;
470 }
471
472 case 0x68:
473 case 0x69:
474 case 0x6A:
475 case 0x6B:
476 {
477 s32 x = list_s16[2] + psx_gpu->offset_x;
478 s32 y = list_s16[3] + psx_gpu->offset_y;
479
480 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
481
482 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
483 break;
484 }
485
486 case 0x70:
487 case 0x71:
488 case 0x72:
489 case 0x73:
490 {
491 s32 x = list_s16[2] + psx_gpu->offset_x;
492 s32 y = list_s16[3] + psx_gpu->offset_y;
493
494 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
495
496 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
497 break;
498 }
499
500 case 0x74:
501 case 0x75:
502 case 0x76:
503 case 0x77:
504 {
505 s32 x = list_s16[2] + psx_gpu->offset_x;
506 s32 y = list_s16[3] + psx_gpu->offset_y;
507 u32 uv = list_s16[4];
508
509 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
510 set_clut(psx_gpu, list_s16[5]);
511
512 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
513 current_command, list[0]);
514 break;
515 }
516
517 case 0x78:
518 case 0x79:
519 case 0x7A:
520 case 0x7B:
521 {
522 s32 x = list_s16[2] + psx_gpu->offset_x;
523 s32 y = list_s16[3] + psx_gpu->offset_y;
524
525 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
526 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
527 break;
528 }
529
530 case 0x7C:
531 case 0x7D:
532 case 0x7E:
533 case 0x7F:
534 {
535 s32 x = list_s16[2] + psx_gpu->offset_x;
536 s32 y = list_s16[3] + psx_gpu->offset_y;
537 u32 uv = list_s16[4];
538
539 psx_gpu->primitive_color = list[0] & 0xFFFFFF;
540 set_clut(psx_gpu, list_s16[5]);
541
542 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
543 current_command, list[0]);
544 break;
545 }
546
547 case 0x80: // vid -> vid
548 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
549 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF, list_s16[6], list_s16[7]);
550 break;
551
552 case 0xA0: // sys -> vid
553 {
554 u32 load_x = list_s16[2];
555 u32 load_y = list_s16[3];
556 u32 load_width = list_s16[4];
557 u32 load_height = list_s16[5];
558 u32 load_size = load_width * load_height;
559
560 command_length += load_size / 2;
561
562 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
563 load_width, load_height, load_width);
564 break;
565 }
566
567 case 0xC0: // vid -> sys
568 break;
569
570 case 0xE1:
571 set_texture(psx_gpu, list[0] & 0x1FF);
572 if(list[0] & (1 << 9))
573 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
574 else
575 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
576
577 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
578 break;
579
580 case 0xE2:
581 {
582 // TODO: Clean
583 u32 texture_window_settings = list[0];
584 u32 tmp, x, y, w, h;
585
586 if(texture_window_settings != psx_gpu->texture_window_settings)
587 {
588 tmp = (texture_window_settings & 0x1F) | 0x20;
589 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
590
591 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
592 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
593
594 tmp = 32 - (w >> 3);
595 x = ((texture_window_settings >> 10) & tmp) << 3;
596
597 tmp = 32 - (h >> 3);
598 y = ((texture_window_settings >> 15) & tmp) << 3;
599
600 flush_render_block_buffer(psx_gpu);
601
602 psx_gpu->texture_window_x = x;
603 psx_gpu->texture_window_y = y;
604 psx_gpu->texture_mask_width = w - 1;
605 psx_gpu->texture_mask_height = h - 1;
606
607 update_texture_ptr(psx_gpu);
608 }
609 break;
610 }
611
612 case 0xE3:
613 psx_gpu->viewport_start_x = list[0] & 0x3FF;
614 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
615
616#ifdef TEXTURE_CACHE_4BPP
617 psx_gpu->viewport_mask =
618 texture_region_mask(psx_gpu->viewport_start_x,
619 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
620 psx_gpu->viewport_end_y);
621#endif
622 break;
623
624 case 0xE4:
625 psx_gpu->viewport_end_x = list[0] & 0x3FF;
626 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
627
628#ifdef TEXTURE_CACHE_4BPP
629 psx_gpu->viewport_mask =
630 texture_region_mask(psx_gpu->viewport_start_x,
631 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
632 psx_gpu->viewport_end_y);
633#endif
634 break;
635
636 case 0xE5:
637 {
638 s32 offset_x = list[0] << 21;
639 s32 offset_y = list[0] << 10;
640 psx_gpu->offset_x = offset_x >> 21;
641 psx_gpu->offset_y = offset_y >> 21;
642
643 break;
644 }
645
646 case 0xE6:
647 {
648 u32 mask_settings = list[0];
649 u16 mask_msb = mask_settings << 15;
650
651 if(list[0] & 0x2)
652 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
653 else
654 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
655
656 if(mask_msb != psx_gpu->mask_msb)
657 {
658 flush_render_block_buffer(psx_gpu);
659 psx_gpu->mask_msb = mask_msb;
660 }
661
662 break;
663 }
664
665 default:
666 break;
667 }
668 }
669}
670
ARM optimized PCSX fork