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psx_gpu: add enhanced triangle rendering
[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
652c6b8b 19#ifndef command_lengths
75e28f62
E		 20const u8 command_lengths[256] =
21{
22 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00
23 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10
24 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20
25 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30
26 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40
27 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50
652c6b8b 28 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, // 60
75e28f62
E		 29 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70
30 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80
31 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90
32 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0
33 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b0
34 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0
35 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d0
36 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0
37 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0
38};
652c6b8b 39#endif
75e28f62
E		 40
41void update_texture_ptr(psx_gpu_struct *psx_gpu)
42{
3867c6ef 43 u8 *texture_base;
75e28f62
E		 44 u8 *texture_ptr;
45
46 switch((psx_gpu->render_state_base >> 8) & 0x3)
47 {
48 default:
49 case TEXTURE_MODE_4BPP:
3867c6ef
E		 50 texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page];
51
52 texture_ptr = texture_base;
75e28f62
E		 53 texture_ptr += psx_gpu->texture_window_x & 0xF;
54 texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
55 texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
56 texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
75e28f62
E		 57 break;
58
59 case TEXTURE_MODE_8BPP:
75e28f62
E		 60 if(psx_gpu->current_texture_page & 0x1)
61 {
3867c6ef 62 texture_base =
75e28f62
E		 63 psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1];
64 }
65 else
66 {
3867c6ef 67 texture_base =
75e28f62
E		 68 psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1];
69 }
70
3867c6ef
E		 71 texture_ptr = texture_base;
72 texture_ptr += psx_gpu->texture_window_x & 0xF;
75e28f62
E		 73 texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
74 texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
75 texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
75e28f62
E		 76 break;
77
78 case TEXTURE_MODE_16BPP:
3867c6ef
E		 79 texture_base = (u8 *)(psx_gpu->vram_ptr);
80 texture_base += (psx_gpu->current_texture_page & 0xF) * 128;
81 texture_base += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;
82
83 texture_ptr = texture_base;
75e28f62
E		 84 texture_ptr += psx_gpu->texture_window_x * 2;
85 texture_ptr += (psx_gpu->texture_window_y) * 2048;
86 break;
87 }
88
3867c6ef 89 psx_gpu->texture_page_base = texture_base;
75e28f62
E		 90 psx_gpu->texture_page_ptr = texture_ptr;
91}
92
93void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
94{
95 if(psx_gpu->texture_settings != texture_settings)
96 {
97 u32 new_texture_page = texture_settings & 0x1F;
98 u32 texture_mode = (texture_settings >> 7) & 0x3;
99 u32 render_state_base = psx_gpu->render_state_base;
100
b7ed0632 101 flush_render_block_buffer(psx_gpu);
75e28f62
E		 102
103 render_state_base &= ~(0xF << 6);
104 render_state_base |= ((texture_settings >> 5) & 0xF) << 6;
105
106 psx_gpu->render_state_base = render_state_base;
107
108 psx_gpu->current_texture_mask = 0x1 << new_texture_page;
109
110 if(texture_mode == TEXTURE_MODE_8BPP)
111 {
112 // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it
113 // wraps back around to the left edge.
114 u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10);
115 psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page;
116
117 if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
118 {
119 u32 dirty_textures_8bpp_alternate_mask =
120 psx_gpu->dirty_textures_8bpp_alternate_mask;
121 psx_gpu->dirty_textures_8bpp_alternate_mask =
122 psx_gpu->dirty_textures_8bpp_mask;
123 psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask;
124 }
125
126 psx_gpu->last_8bpp_texture_page = new_texture_page;
127 }
128
129 psx_gpu->current_texture_page = new_texture_page;
130 psx_gpu->texture_settings = texture_settings;
131
132 update_texture_ptr(psx_gpu);
133 }
134}
135
136void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
137{
138 if(psx_gpu->clut_settings != clut_settings)
139 {
140 flush_render_block_buffer(psx_gpu);
141 psx_gpu->clut_settings = clut_settings;
142 psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16);
143 }
144}
145
146void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
147{
148 if(psx_gpu->triangle_color != triangle_color)
149 {
150 flush_render_block_buffer(psx_gpu);
151 psx_gpu->triangle_color = triangle_color;
152 }
153}
154
c1817bd9 155static void do_fill(psx_gpu_struct *psx_gpu, u32 x, u32 y,
156 u32 width, u32 height, u32 color)
157{
158 x &= ~0xF;
159 width = ((width + 0xF) & ~0xF);
160
161 flush_render_block_buffer(psx_gpu);
162
163 if(unlikely((x + width) > 1024))
164 {
165 u32 width_a = 1024 - x;
166 u32 width_b = width - width_a;
167
168 if(unlikely((y + height) > 512))
169 {
170 u32 height_a = 512 - y;
171 u32 height_b = height - height_a;
172
173 render_block_fill(psx_gpu, color, x, y, width_a, height_a);
174 render_block_fill(psx_gpu, color, 0, y, width_b, height_a);
175 render_block_fill(psx_gpu, color, x, 0, width_a, height_b);
176 render_block_fill(psx_gpu, color, 0, 0, width_b, height_b);
177 }
178 else
179 {
180 render_block_fill(psx_gpu, color, x, y, width_a, height);
181 render_block_fill(psx_gpu, color, 0, y, width_b, height);
182 }
183 }
184 else
185 {
186 if(unlikely((y + height) > 512))
187 {
188 u32 height_a = 512 - y;
189 u32 height_b = height - height_a;
190
191 render_block_fill(psx_gpu, color, x, y, width, height_a);
192 render_block_fill(psx_gpu, color, x, 0, width, height_b);
193 }
194 else
195 {
196 render_block_fill(psx_gpu, color, x, y, width, height);
197 }
198 }
199}
200
75e28f62
E		 201#define sign_extend_12bit(value) \
202 (((s32)((value) << 20)) >> 20) \
203
4be044ba
E		 204#define sign_extend_11bit(value) \
205 (((s32)((value) << 21)) >> 21) \
206
207#define sign_extend_10bit(value) \
208 (((s32)((value) << 22)) >> 22) \
209
210
75e28f62
E		 211#define get_vertex_data_xy(vertex_number, offset16) \
212 vertexes[vertex_number].x = \
213 sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \
214 vertexes[vertex_number].y = \
215 sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \
216
217#define get_vertex_data_uv(vertex_number, offset16) \
218 vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \
219 vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \
220
221#define get_vertex_data_rgb(vertex_number, offset32) \
222 vertexes[vertex_number].r = list[offset32] & 0xFF; \
223 vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \
224 vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \
225
226#define get_vertex_data_xy_uv(vertex_number, offset16) \
227 get_vertex_data_xy(vertex_number, offset16); \
228 get_vertex_data_uv(vertex_number, (offset16) + 2) \
229
230#define get_vertex_data_xy_rgb(vertex_number, offset16) \
231 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
232 get_vertex_data_xy(vertex_number, (offset16) + 2); \
233
234#define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \
235 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
236 get_vertex_data_xy(vertex_number, (offset16) + 2); \
237 get_vertex_data_uv(vertex_number, (offset16) + 4); \
238
239#define set_vertex_color_constant(vertex_number, color) \
240 vertexes[vertex_number].r = color & 0xFF; \
241 vertexes[vertex_number].g = (color >> 8) & 0xFF; \
242 vertexes[vertex_number].b = (color >> 16) & 0xFF \
243
244#define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \
245 get_vertex_data_xy(vertex_number, offset16); \
246 set_vertex_color_constant(vertex_number, color) \
247
b243416b 248#ifndef SET_Ex
249#define SET_Ex(r, v)
250#endif
251
75e28f62
E		 252vertex_struct vertexes[4] __attribute__((aligned(32)));
253
b243416b 254u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
75e28f62 255{
b243416b 256 u32 current_command = 0, command_length;
257
258 u32 *list_start = list;
75e28f62
E		 259 u32 *list_end = list + (size / 4);
260
261 for(; list < list_end; list += 1 + command_length)
262 {
263 s16 *list_s16 = (void *)list;
264 current_command = *list >> 24;
265 command_length = command_lengths[current_command];
b243416b 266 if (list + 1 + command_length > list_end) {
267 current_command = (u32)-1;
268 break;
269 }
87c45ad1 270
75e28f62
E		 271 switch(current_command)
272 {
273 case 0x00:
274 break;
275
276 case 0x02:
87c45ad1
E		 277 {
278 u32 x = list_s16[2] & 0x3FF;
279 u32 y = list_s16[3] & 0x1FF;
280 u32 width = list_s16[4] & 0x3FF;
281 u32 height = list_s16[5] & 0x1FF;
282 u32 color = list[0] & 0xFFFFFF;
283
c1817bd9 284 do_fill(psx_gpu, x, y, width, height, color);
75e28f62 285 break;
87c45ad1 286 }
75e28f62
E		 287
288 case 0x20 ... 0x23:
289 {
290 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
291
292 get_vertex_data_xy(0, 2);
293 get_vertex_data_xy(1, 4);
294 get_vertex_data_xy(2, 6);
f9248bbf 295
75e28f62
E		 296 render_triangle(psx_gpu, vertexes, current_command);
297 break;
298 }
299
300 case 0x24 ... 0x27:
301 {
302 set_clut(psx_gpu, list_s16[5]);
303 set_texture(psx_gpu, list_s16[9]);
304 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
305
306 get_vertex_data_xy_uv(0, 2);
307 get_vertex_data_xy_uv(1, 6);
308 get_vertex_data_xy_uv(2, 10);
309
310 render_triangle(psx_gpu, vertexes, current_command);
311 break;
312 }
313
314 case 0x28 ... 0x2B:
315 {
316 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
317
318 get_vertex_data_xy(0, 2);
319 get_vertex_data_xy(1, 4);
320 get_vertex_data_xy(2, 6);
321 get_vertex_data_xy(3, 8);
322
323 render_triangle(psx_gpu, vertexes, current_command);
324 render_triangle(psx_gpu, &(vertexes[1]), current_command);
325 break;
326 }
327
328 case 0x2C ... 0x2F:
329 {
330 set_clut(psx_gpu, list_s16[5]);
331 set_texture(psx_gpu, list_s16[9]);
332 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
333
334 get_vertex_data_xy_uv(0, 2);
335 get_vertex_data_xy_uv(1, 6);
336 get_vertex_data_xy_uv(2, 10);
337 get_vertex_data_xy_uv(3, 14);
338
339 render_triangle(psx_gpu, vertexes, current_command);
340 render_triangle(psx_gpu, &(vertexes[1]), current_command);
341 break;
342 }
343
344 case 0x30 ... 0x33:
345 {
346 get_vertex_data_xy_rgb(0, 0);
347 get_vertex_data_xy_rgb(1, 4);
348 get_vertex_data_xy_rgb(2, 8);
349
350 render_triangle(psx_gpu, vertexes, current_command);
351 break;
352 }
353
354 case 0x34:
355 case 0x35:
356 case 0x36:
357 case 0x37:
358 {
359 set_clut(psx_gpu, list_s16[5]);
360 set_texture(psx_gpu, list_s16[11]);
361
362 get_vertex_data_xy_uv_rgb(0, 0);
363 get_vertex_data_xy_uv_rgb(1, 6);
364 get_vertex_data_xy_uv_rgb(2, 12);
365
366 render_triangle(psx_gpu, vertexes, current_command);
367 break;
368 }
369
370 case 0x38:
371 case 0x39:
372 case 0x3A:
373 case 0x3B:
374 {
375 get_vertex_data_xy_rgb(0, 0);
376 get_vertex_data_xy_rgb(1, 4);
377 get_vertex_data_xy_rgb(2, 8);
378 get_vertex_data_xy_rgb(3, 12);
379
380 render_triangle(psx_gpu, vertexes, current_command);
381 render_triangle(psx_gpu, &(vertexes[1]), current_command);
382 break;
383 }
384
385 case 0x3C:
386 case 0x3D:
387 case 0x3E:
388 case 0x3F:
389 {
390 set_clut(psx_gpu, list_s16[5]);
391 set_texture(psx_gpu, list_s16[11]);
392
393 get_vertex_data_xy_uv_rgb(0, 0);
394 get_vertex_data_xy_uv_rgb(1, 6);
395 get_vertex_data_xy_uv_rgb(2, 12);
396 get_vertex_data_xy_uv_rgb(3, 18);
397
398 render_triangle(psx_gpu, vertexes, current_command);
399 render_triangle(psx_gpu, &(vertexes[1]), current_command);
400 break;
401 }
402
403 case 0x40 ... 0x47:
404 {
405 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
406 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
407 vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
408 vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
409
410 render_line(psx_gpu, vertexes, current_command, list[0]);
411 break;
412 }
413
414 case 0x48 ... 0x4F:
415 {
416 u32 num_vertexes = 1;
417 u32 *list_position = &(list[2]);
418 u32 xy = list[1];
419
420 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
421 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
422
c8eaa363 423 xy = *list_position;
75e28f62
E		 424 while(1)
425 {
75e28f62
E		 426 vertexes[0] = vertexes[1];
427
428 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
429 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
430
c8eaa363 431 render_line(psx_gpu, vertexes, current_command, list[0]);
432
75e28f62
E		 433 list_position++;
434 num_vertexes++;
435
c8eaa363 436 if(list_position >= list_end)
f9248bbf
E		 437 break;
438
c8eaa363 439 xy = *list_position;
440 if((xy & 0xF000F000) == 0x50005000)
441 break;
75e28f62
E		 442 }
443
c8eaa363 444 command_length += (num_vertexes - 2);
445 break;
75e28f62
E		 446 }
447
448 case 0x50 ... 0x57:
449 {
450 vertexes[0].r = list[0] & 0xFF;
451 vertexes[0].g = (list[0] >> 8) & 0xFF;
452 vertexes[0].b = (list[0] >> 16) & 0xFF;
453 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
454 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
455
456 vertexes[1].r = list[2] & 0xFF;
457 vertexes[1].g = (list[2] >> 8) & 0xFF;
458 vertexes[1].b = (list[2] >> 16) & 0xFF;
459 vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
460 vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
461
462 render_line(psx_gpu, vertexes, current_command, 0);
463 break;
464 }
465
466 case 0x58 ... 0x5F:
467 {
468 u32 num_vertexes = 1;
469 u32 *list_position = &(list[2]);
470 u32 color = list[0];
471 u32 xy = list[1];
472
473 vertexes[1].r = color & 0xFF;
474 vertexes[1].g = (color >> 8) & 0xFF;
475 vertexes[1].b = (color >> 16) & 0xFF;
476 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
477 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
478
c8eaa363 479 color = list_position[0];
75e28f62
E		 480 while(1)
481 {
75e28f62
E		 482 xy = list_position[1];
483
484 vertexes[0] = vertexes[1];
485
486 vertexes[1].r = color & 0xFF;
487 vertexes[1].g = (color >> 8) & 0xFF;
488 vertexes[1].b = (color >> 16) & 0xFF;
489 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
490 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
491
c8eaa363 492 render_line(psx_gpu, vertexes, current_command, 0);
493
75e28f62
E		 494 list_position += 2;
495 num_vertexes++;
496
c8eaa363 497 if(list_position >= list_end)
f9248bbf
E		 498 break;
499
c8eaa363 500 color = list_position[0];
501 if((color & 0xF000F000) == 0x50005000)
502 break;
75e28f62
E		 503 }
504
c8eaa363 505 command_length += ((num_vertexes - 2) * 2);
506 break;
75e28f62
E		 507 }
508
509 case 0x60 ... 0x63:
510 {
4be044ba
E		 511 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
512 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62
E		 513 u32 width = list_s16[4] & 0x3FF;
514 u32 height = list_s16[5] & 0x1FF;
515
75e28f62
E		 516 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
517 break;
518 }
519
520 case 0x64 ... 0x67:
521 {
4be044ba
E		 522 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
523 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62
E		 524 u32 uv = list_s16[4];
525 u32 width = list_s16[6] & 0x3FF;
526 u32 height = list_s16[7] & 0x1FF;
527
75e28f62
E		 528 set_clut(psx_gpu, list_s16[5]);
529
530 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
531 current_command, list[0]);
532 break;
533 }
534
535 case 0x68:
536 case 0x69:
537 case 0x6A:
538 case 0x6B:
539 {
4be044ba
E		 540 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
541 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 542
75e28f62
E		 543 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
544 break;
545 }
546
547 case 0x70:
548 case 0x71:
549 case 0x72:
550 case 0x73:
551 {
4be044ba
E		 552 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
553 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 554
75e28f62
E		 555 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
556 break;
557 }
558
559 case 0x74:
560 case 0x75:
561 case 0x76:
562 case 0x77:
563 {
4be044ba
E		 564 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
565 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62
E		 566 u32 uv = list_s16[4];
567
75e28f62
E		 568 set_clut(psx_gpu, list_s16[5]);
569
570 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
571 current_command, list[0]);
572 break;
573 }
574
575 case 0x78:
576 case 0x79:
577 case 0x7A:
578 case 0x7B:
579 {
4be044ba
E		 580 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
581 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 582
75e28f62
E		 583 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
584 break;
585 }
586
587 case 0x7C:
588 case 0x7D:
589 case 0x7E:
590 case 0x7F:
591 {
4be044ba
E		 592 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
593 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62
E		 594 u32 uv = list_s16[4];
595
75e28f62
E		 596 set_clut(psx_gpu, list_s16[5]);
597
598 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
599 current_command, list[0]);
600 break;
601 }
602
603 case 0x80: // vid -> vid
604 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
b8d961ef 605 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
606 ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
75e28f62 607 break;
b243416b 608
609#ifdef PCSX
610 case 0xA0: // sys -> vid
611 case 0xC0: // vid -> sys
612 goto breakloop;
613#else
75e28f62
E		 614 case 0xA0: // sys -> vid
615 {
1f88961f
E		 616 u32 load_x = list_s16[2] & 0x3FF;
617 u32 load_y = list_s16[3] & 0x1FF;
618 u32 load_width = list_s16[4] & 0x3FF;
619 u32 load_height = list_s16[5] & 0x1FF;
75e28f62
E		 620 u32 load_size = load_width * load_height;
621
622 command_length += load_size / 2;
cec398c0
E		 623
624 if(load_size & 1)
625 command_length++;
626
75e28f62
E		 627 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
628 load_width, load_height, load_width);
629 break;
630 }
b243416b 631
75e28f62
E		 632 case 0xC0: // vid -> sys
633 break;
b243416b 634#endif
635
75e28f62
E		 636 case 0xE1:
637 set_texture(psx_gpu, list[0] & 0x1FF);
87c45ad1 638
75e28f62
E		 639 if(list[0] & (1 << 9))
640 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
641 else
642 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
643
644 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
b243416b 645 SET_Ex(1, list[0]);
75e28f62
E		 646 break;
647
648 case 0xE2:
649 {
650 // TODO: Clean
651 u32 texture_window_settings = list[0];
652 u32 tmp, x, y, w, h;
653
654 if(texture_window_settings != psx_gpu->texture_window_settings)
655 {
656 tmp = (texture_window_settings & 0x1F) | 0x20;
657 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
658
659 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
660 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
661
662 tmp = 32 - (w >> 3);
663 x = ((texture_window_settings >> 10) & tmp) << 3;
664
665 tmp = 32 - (h >> 3);
666 y = ((texture_window_settings >> 15) & tmp) << 3;
667
668 flush_render_block_buffer(psx_gpu);
669
de35a464 670 psx_gpu->texture_window_settings = texture_window_settings;
75e28f62
E		 671 psx_gpu->texture_window_x = x;
672 psx_gpu->texture_window_y = y;
673 psx_gpu->texture_mask_width = w - 1;
674 psx_gpu->texture_mask_height = h - 1;
675
676 update_texture_ptr(psx_gpu);
677 }
b243416b 678 SET_Ex(2, list[0]);
75e28f62
E		 679 break;
680 }
681
682 case 0xE3:
683 psx_gpu->viewport_start_x = list[0] & 0x3FF;
684 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
685
686#ifdef TEXTURE_CACHE_4BPP
687 psx_gpu->viewport_mask =
688 texture_region_mask(psx_gpu->viewport_start_x,
689 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
690 psx_gpu->viewport_end_y);
691#endif
b243416b 692 SET_Ex(3, list[0]);
75e28f62
E		 693 break;
694
695 case 0xE4:
696 psx_gpu->viewport_end_x = list[0] & 0x3FF;
697 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
698
699#ifdef TEXTURE_CACHE_4BPP
700 psx_gpu->viewport_mask =
701 texture_region_mask(psx_gpu->viewport_start_x,
702 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
703 psx_gpu->viewport_end_y);
704#endif
b243416b 705 SET_Ex(4, list[0]);
75e28f62
E		 706 break;
707
708 case 0xE5:
709 {
710 s32 offset_x = list[0] << 21;
711 s32 offset_y = list[0] << 10;
712 psx_gpu->offset_x = offset_x >> 21;
713 psx_gpu->offset_y = offset_y >> 21;
714
b243416b 715 SET_Ex(5, list[0]);
75e28f62
E		 716 break;
717 }
718
719 case 0xE6:
720 {
721 u32 mask_settings = list[0];
722 u16 mask_msb = mask_settings << 15;
723
724 if(list[0] & 0x2)
725 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
726 else
727 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
728
729 if(mask_msb != psx_gpu->mask_msb)
730 {
731 flush_render_block_buffer(psx_gpu);
732 psx_gpu->mask_msb = mask_msb;
733 }
734
b243416b 735 SET_Ex(6, list[0]);
75e28f62
E		 736 break;
737 }
738
739 default:
740 break;
741 }
742 }
b243416b 743
744#ifdef PCSX
745breakloop:
746#endif
747 if (last_command != NULL)
748 *last_command = current_command;
749 return list - list_start;
75e28f62
E		 750}
751
c1817bd9 752#define enhancement_disable() { \
753 psx_gpu->vram_out_ptr = psx_gpu->vram_ptr; \
754 psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x; \
755 psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y; \
756 psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x; \
757 psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y; \
758}
759
760#define enhancement_enable() { \
761 psx_gpu->vram_out_ptr = psx_gpu->enhancement_buf_ptr; \
762 psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x * 2; \
763 psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y * 2; \
764 psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x * 2; \
765 psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y * 2; \
766}
767
768#define shift_vertices3(v) { \
769 v[0]->x *= 2; \
770 v[0]->y *= 2; \
771 v[1]->x *= 2; \
772 v[1]->y *= 2; \
773 v[2]->x *= 2; \
774 v[2]->y *= 2; \
775}
776
777#define unshift_vertices3(v) { \
778 v[0]->x /= 2; \
779 v[0]->y /= 2; \
780 v[1]->x /= 2; \
781 v[1]->y /= 2; \
782 v[2]->x /= 2; \
783 v[2]->y /= 2; \
784}
785
786#define shift_triangle_area() \
787 psx_gpu->triangle_area *= 4
788
789static int disable_main_render;
790
791static void do_triangle_enhanced(psx_gpu_struct *psx_gpu,
792 vertex_struct *vertexes, u32 current_command)
793{
794 vertex_struct *vertex_ptrs[3];
795
796 if (!prepare_triangle(psx_gpu, vertexes, vertex_ptrs))
797 return;
798
799 if (!disable_main_render)
800 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
801
802 enhancement_enable();
803 shift_vertices3(vertex_ptrs);
804 shift_triangle_area();
805 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
806}
807
808static void do_quad_enhanced(psx_gpu_struct *psx_gpu, vertex_struct *vertexes,
809 u32 current_command)
810{
811 vertex_struct *vertex_ptrs[3];
812
813 if (prepare_triangle(psx_gpu, vertexes, vertex_ptrs)) {
814 if (!disable_main_render)
815 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
816
817 enhancement_enable();
818 shift_vertices3(vertex_ptrs);
819 shift_triangle_area();
820 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
821 unshift_vertices3(vertex_ptrs);
822 }
823 enhancement_disable();
824 if (prepare_triangle(psx_gpu, &vertexes[1], vertex_ptrs)) {
825 if (!disable_main_render)
826 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
827
828 enhancement_enable();
829 shift_vertices3(vertex_ptrs);
830 shift_triangle_area();
831 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
832 }
833}
834
835u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
836{
837 u32 current_command = 0, command_length;
838
839 u32 *list_start = list;
840 u32 *list_end = list + (size / 4);
841
842 psx_gpu->saved_viewport_start_x = psx_gpu->viewport_start_x;
843 psx_gpu->saved_viewport_start_y = psx_gpu->viewport_start_y;
844 psx_gpu->saved_viewport_end_x = psx_gpu->viewport_end_x;
845 psx_gpu->saved_viewport_end_y = psx_gpu->viewport_end_y;
846
847 for(; list < list_end; list += 1 + command_length)
848 {
849 s16 *list_s16 = (void *)list;
850 current_command = *list >> 24;
851 command_length = command_lengths[current_command];
852 if (list + 1 + command_length > list_end) {
853 current_command = (u32)-1;
854 break;
855 }
856
857 enhancement_disable();
858
859 switch(current_command)
860 {
861 case 0x00:
862 break;
863
864 case 0x02:
865 {
866 u32 x = list_s16[2] & 0x3FF;
867 u32 y = list_s16[3] & 0x1FF;
868 u32 width = list_s16[4] & 0x3FF;
869 u32 height = list_s16[5] & 0x1FF;
870 u32 color = list[0] & 0xFFFFFF;
871
872 do_fill(psx_gpu, x, y, width, height, color);
873
874 psx_gpu->vram_out_ptr = psx_gpu->enhancement_buf_ptr;
875 x *= 2;
876 y *= 2;
877 width *= 2;
878 height *= 2;
879 if (width > 1024)
880 width = 1024;
881 render_block_fill(psx_gpu, color, x, y, width, height);
882 break;
883 }
884
885 case 0x20 ... 0x23:
886 {
887 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
888
889 get_vertex_data_xy(0, 2);
890 get_vertex_data_xy(1, 4);
891 get_vertex_data_xy(2, 6);
892
893 do_triangle_enhanced(psx_gpu, vertexes, current_command);
894 break;
895 }
896
897 case 0x24 ... 0x27:
898 {
899 set_clut(psx_gpu, list_s16[5]);
900 set_texture(psx_gpu, list_s16[9]);
901 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
902
903 get_vertex_data_xy_uv(0, 2);
904 get_vertex_data_xy_uv(1, 6);
905 get_vertex_data_xy_uv(2, 10);
906
907 do_triangle_enhanced(psx_gpu, vertexes, current_command);
908 break;
909 }
910
911 case 0x28 ... 0x2B:
912 {
913 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
914
915 get_vertex_data_xy(0, 2);
916 get_vertex_data_xy(1, 4);
917 get_vertex_data_xy(2, 6);
918 get_vertex_data_xy(3, 8);
919
920 do_quad_enhanced(psx_gpu, vertexes, current_command);
921 break;
922 }
923
924 case 0x2C ... 0x2F:
925 {
926 set_clut(psx_gpu, list_s16[5]);
927 set_texture(psx_gpu, list_s16[9]);
928 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
929
930 get_vertex_data_xy_uv(0, 2);
931 get_vertex_data_xy_uv(1, 6);
932 get_vertex_data_xy_uv(2, 10);
933 get_vertex_data_xy_uv(3, 14);
934
935 do_quad_enhanced(psx_gpu, vertexes, current_command);
936 break;
937 }
938
939 case 0x30 ... 0x33:
940 {
941 get_vertex_data_xy_rgb(0, 0);
942 get_vertex_data_xy_rgb(1, 4);
943 get_vertex_data_xy_rgb(2, 8);
944
945 do_triangle_enhanced(psx_gpu, vertexes, current_command);
946 break;
947 }
948
949 case 0x34:
950 case 0x35:
951 case 0x36:
952 case 0x37:
953 {
954 set_clut(psx_gpu, list_s16[5]);
955 set_texture(psx_gpu, list_s16[11]);
956
957 get_vertex_data_xy_uv_rgb(0, 0);
958 get_vertex_data_xy_uv_rgb(1, 6);
959 get_vertex_data_xy_uv_rgb(2, 12);
960
961 do_triangle_enhanced(psx_gpu, vertexes, current_command);
962 break;
963 }
964
965 case 0x38:
966 case 0x39:
967 case 0x3A:
968 case 0x3B:
969 {
970 get_vertex_data_xy_rgb(0, 0);
971 get_vertex_data_xy_rgb(1, 4);
972 get_vertex_data_xy_rgb(2, 8);
973 get_vertex_data_xy_rgb(3, 12);
974
975 do_quad_enhanced(psx_gpu, vertexes, current_command);
976 break;
977 }
978
979 case 0x3C:
980 case 0x3D:
981 case 0x3E:
982 case 0x3F:
983 {
984 set_clut(psx_gpu, list_s16[5]);
985 set_texture(psx_gpu, list_s16[11]);
986
987 get_vertex_data_xy_uv_rgb(0, 0);
988 get_vertex_data_xy_uv_rgb(1, 6);
989 get_vertex_data_xy_uv_rgb(2, 12);
990 get_vertex_data_xy_uv_rgb(3, 18);
991
992 do_quad_enhanced(psx_gpu, vertexes, current_command);
993 break;
994 }
995
996 case 0x40 ... 0x47:
997 {
998 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
999 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
1000 vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
1001 vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
1002
1003 render_line(psx_gpu, vertexes, current_command, list[0]);
1004 break;
1005 }
1006
1007 case 0x48 ... 0x4F:
1008 {
1009 u32 num_vertexes = 1;
1010 u32 *list_position = &(list[2]);
1011 u32 xy = list[1];
1012
1013 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1014 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1015
1016 xy = *list_position;
1017 while(1)
1018 {
1019 vertexes[0] = vertexes[1];
1020
1021 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1022 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1023
1024 render_line(psx_gpu, vertexes, current_command, list[0]);
1025
1026 list_position++;
1027 num_vertexes++;
1028
1029 if(list_position >= list_end)
1030 break;
1031
1032 xy = *list_position;
1033 if((xy & 0xF000F000) == 0x50005000)
1034 break;
1035 }
1036
1037 command_length += (num_vertexes - 2);
1038 break;
1039 }
1040
1041 case 0x50 ... 0x57:
1042 {
1043 vertexes[0].r = list[0] & 0xFF;
1044 vertexes[0].g = (list[0] >> 8) & 0xFF;
1045 vertexes[0].b = (list[0] >> 16) & 0xFF;
1046 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
1047 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
1048
1049 vertexes[1].r = list[2] & 0xFF;
1050 vertexes[1].g = (list[2] >> 8) & 0xFF;
1051 vertexes[1].b = (list[2] >> 16) & 0xFF;
1052 vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
1053 vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
1054
1055 render_line(psx_gpu, vertexes, current_command, 0);
1056 break;
1057 }
1058
1059 case 0x58 ... 0x5F:
1060 {
1061 u32 num_vertexes = 1;
1062 u32 *list_position = &(list[2]);
1063 u32 color = list[0];
1064 u32 xy = list[1];
1065
1066 vertexes[1].r = color & 0xFF;
1067 vertexes[1].g = (color >> 8) & 0xFF;
1068 vertexes[1].b = (color >> 16) & 0xFF;
1069 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1070 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1071
1072 color = list_position[0];
1073 while(1)
1074 {
1075 xy = list_position[1];
1076
1077 vertexes[0] = vertexes[1];
1078
1079 vertexes[1].r = color & 0xFF;
1080 vertexes[1].g = (color >> 8) & 0xFF;
1081 vertexes[1].b = (color >> 16) & 0xFF;
1082 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1083 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1084
1085 render_line(psx_gpu, vertexes, current_command, 0);
1086
1087 list_position += 2;
1088 num_vertexes++;
1089
1090 if(list_position >= list_end)
1091 break;
1092
1093 color = list_position[0];
1094 if((color & 0xF000F000) == 0x50005000)
1095 break;
1096 }
1097
1098 command_length += ((num_vertexes - 2) * 2);
1099 break;
1100 }
1101
1102 case 0x60 ... 0x63:
1103 {
1104 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1105 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1106 u32 width = list_s16[4] & 0x3FF;
1107 u32 height = list_s16[5] & 0x1FF;
1108
1109 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
1110 break;
1111 }
1112
1113 case 0x64 ... 0x67:
1114 {
1115 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1116 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1117 u32 uv = list_s16[4];
1118 u32 width = list_s16[6] & 0x3FF;
1119 u32 height = list_s16[7] & 0x1FF;
1120
1121 set_clut(psx_gpu, list_s16[5]);
1122
1123 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
1124 current_command, list[0]);
1125 break;
1126 }
1127
1128 case 0x68:
1129 case 0x69:
1130 case 0x6A:
1131 case 0x6B:
1132 {
1133 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1134 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1135
1136 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
1137 break;
1138 }
1139
1140 case 0x70:
1141 case 0x71:
1142 case 0x72:
1143 case 0x73:
1144 {
1145 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1146 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1147
1148 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
1149 break;
1150 }
1151
1152 case 0x74:
1153 case 0x75:
1154 case 0x76:
1155 case 0x77:
1156 {
1157 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1158 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1159 u32 uv = list_s16[4];
1160
1161 set_clut(psx_gpu, list_s16[5]);
1162
1163 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
1164 current_command, list[0]);
1165 break;
1166 }
1167
1168 case 0x78:
1169 case 0x79:
1170 case 0x7A:
1171 case 0x7B:
1172 {
1173 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1174 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1175
1176 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
1177 break;
1178 }
1179
1180 case 0x7C:
1181 case 0x7D:
1182 case 0x7E:
1183 case 0x7F:
1184 {
1185 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1186 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1187 u32 uv = list_s16[4];
1188
1189 set_clut(psx_gpu, list_s16[5]);
1190
1191 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
1192 current_command, list[0]);
1193 break;
1194 }
1195
1196 case 0x80: // vid -> vid
1197 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
1198 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
1199 ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
1200 break;
1201
1202#ifdef PCSX
1203 case 0xA0: // sys -> vid
1204 case 0xC0: // vid -> sys
1205 goto breakloop;
1206#else
1207 case 0xA0: // sys -> vid
1208 {
1209 u32 load_x = list_s16[2] & 0x3FF;
1210 u32 load_y = list_s16[3] & 0x1FF;
1211 u32 load_width = list_s16[4] & 0x3FF;
1212 u32 load_height = list_s16[5] & 0x1FF;
1213 u32 load_size = load_width * load_height;
1214
1215 command_length += load_size / 2;
1216
1217 if(load_size & 1)
1218 command_length++;
1219
1220 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
1221 load_width, load_height, load_width);
1222 break;
1223 }
1224
1225 case 0xC0: // vid -> sys
1226 break;
1227#endif
1228
1229 case 0xE1:
1230 set_texture(psx_gpu, list[0] & 0x1FF);
1231
1232 if(list[0] & (1 << 9))
1233 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
1234 else
1235 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
1236
1237 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
1238 SET_Ex(1, list[0]);
1239 break;
1240
1241 case 0xE2:
1242 {
1243 // TODO: Clean
1244 u32 texture_window_settings = list[0];
1245 u32 tmp, x, y, w, h;
1246
1247 if(texture_window_settings != psx_gpu->texture_window_settings)
1248 {
1249 tmp = (texture_window_settings & 0x1F) | 0x20;
1250 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
1251
1252 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
1253 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
1254
1255 tmp = 32 - (w >> 3);
1256 x = ((texture_window_settings >> 10) & tmp) << 3;
1257
1258 tmp = 32 - (h >> 3);
1259 y = ((texture_window_settings >> 15) & tmp) << 3;
1260
1261 flush_render_block_buffer(psx_gpu);
1262
1263 psx_gpu->texture_window_settings = texture_window_settings;
1264 psx_gpu->texture_window_x = x;
1265 psx_gpu->texture_window_y = y;
1266 psx_gpu->texture_mask_width = w - 1;
1267 psx_gpu->texture_mask_height = h - 1;
1268
1269 update_texture_ptr(psx_gpu);
1270 }
1271 SET_Ex(2, list[0]);
1272 break;
1273 }
1274
1275 case 0xE3:
1276 psx_gpu->viewport_start_x = list[0] & 0x3FF;
1277 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
1278 psx_gpu->saved_viewport_start_x = psx_gpu->viewport_start_x;
1279 psx_gpu->saved_viewport_start_y = psx_gpu->viewport_start_y;
1280
1281#ifdef TEXTURE_CACHE_4BPP
1282 psx_gpu->viewport_mask =
1283 texture_region_mask(psx_gpu->viewport_start_x,
1284 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
1285 psx_gpu->viewport_end_y);
1286#endif
1287 SET_Ex(3, list[0]);
1288 break;
1289
1290 case 0xE4:
1291 psx_gpu->viewport_end_x = list[0] & 0x3FF;
1292 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
1293 psx_gpu->saved_viewport_end_x = psx_gpu->viewport_end_x;
1294 psx_gpu->saved_viewport_end_y = psx_gpu->viewport_end_y;
1295
1296#ifdef TEXTURE_CACHE_4BPP
1297 psx_gpu->viewport_mask =
1298 texture_region_mask(psx_gpu->viewport_start_x,
1299 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
1300 psx_gpu->viewport_end_y);
1301#endif
1302 SET_Ex(4, list[0]);
1303 break;
1304
1305 case 0xE5:
1306 {
1307 s32 offset_x = list[0] << 21;
1308 s32 offset_y = list[0] << 10;
1309 psx_gpu->offset_x = offset_x >> 21;
1310 psx_gpu->offset_y = offset_y >> 21;
1311
1312 SET_Ex(5, list[0]);
1313 break;
1314 }
1315
1316 case 0xE6:
1317 {
1318 u32 mask_settings = list[0];
1319 u16 mask_msb = mask_settings << 15;
1320
1321 if(list[0] & 0x2)
1322 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
1323 else
1324 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
1325
1326 if(mask_msb != psx_gpu->mask_msb)
1327 {
1328 flush_render_block_buffer(psx_gpu);
1329 psx_gpu->mask_msb = mask_msb;
1330 }
1331
1332 SET_Ex(6, list[0]);
1333 break;
1334 }
1335
1336 default:
1337 break;
1338 }
1339 }
1340
1341#ifdef PCSX
1342breakloop:
1343#endif
1344enhancement_disable();
1345 if (last_command != NULL)
1346 *last_command = current_command;
1347 return list - list_start;
1348}
1349
1350// vim:shiftwidth=2:expandtab
ARM optimized PCSX fork