2 * Copyright (C) 2011 Gilead Kutnick "Exophase" <exophase@gmail.com>
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.
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.
19 #ifndef command_lengths
20 const u8 command_lengths[256] =
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
28 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, // 60
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
41 void update_texture_ptr(psx_gpu_struct *psx_gpu)
46 switch((psx_gpu->render_state_base >> 8) & 0x3)
49 case TEXTURE_MODE_4BPP:
50 texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page];
52 texture_ptr = texture_base;
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;
59 case TEXTURE_MODE_8BPP:
60 if(psx_gpu->current_texture_page & 0x1)
63 psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1];
68 psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1];
71 texture_ptr = texture_base;
72 texture_ptr += psx_gpu->texture_window_x & 0xF;
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;
78 case TEXTURE_MODE_16BPP:
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;
83 texture_ptr = texture_base;
84 texture_ptr += psx_gpu->texture_window_x * 2;
85 texture_ptr += (psx_gpu->texture_window_y) * 2048;
89 psx_gpu->texture_page_base = texture_base;
90 psx_gpu->texture_page_ptr = texture_ptr;
93 void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
95 texture_settings &= 0x1FF;
96 if(psx_gpu->texture_settings != texture_settings)
98 u32 new_texture_page = texture_settings & 0x1F;
99 u32 texture_mode = (texture_settings >> 7) & 0x3;
100 u32 render_state_base = psx_gpu->render_state_base;
102 flush_render_block_buffer(psx_gpu);
104 render_state_base &= ~(0xF << 6);
105 render_state_base |= ((texture_settings >> 5) & 0xF) << 6;
107 psx_gpu->render_state_base = render_state_base;
109 psx_gpu->current_texture_mask = 0x1 << new_texture_page;
111 if(texture_mode == TEXTURE_MODE_8BPP)
113 // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it
114 // wraps back around to the left edge.
115 u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10);
116 psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page;
118 if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
120 u32 dirty_textures_8bpp_alternate_mask =
121 psx_gpu->dirty_textures_8bpp_alternate_mask;
122 psx_gpu->dirty_textures_8bpp_alternate_mask =
123 psx_gpu->dirty_textures_8bpp_mask;
124 psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask;
127 psx_gpu->last_8bpp_texture_page = new_texture_page;
130 psx_gpu->current_texture_page = new_texture_page;
131 psx_gpu->texture_settings = texture_settings;
133 update_texture_ptr(psx_gpu);
137 void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
139 if(psx_gpu->clut_settings != clut_settings)
141 flush_render_block_buffer(psx_gpu);
142 psx_gpu->clut_settings = clut_settings;
143 psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16);
147 void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
149 if(psx_gpu->triangle_color != triangle_color)
151 flush_render_block_buffer(psx_gpu);
152 psx_gpu->triangle_color = triangle_color;
156 static void do_fill(psx_gpu_struct *psx_gpu, u32 x, u32 y,
157 u32 width, u32 height, u32 color)
160 width = ((width + 0xF) & ~0xF);
162 flush_render_block_buffer(psx_gpu);
164 if(unlikely((x + width) > 1024))
166 u32 width_a = 1024 - x;
167 u32 width_b = width - width_a;
169 if(unlikely((y + height) > 512))
171 u32 height_a = 512 - y;
172 u32 height_b = height - height_a;
174 render_block_fill(psx_gpu, color, x, y, width_a, height_a);
175 render_block_fill(psx_gpu, color, 0, y, width_b, height_a);
176 render_block_fill(psx_gpu, color, x, 0, width_a, height_b);
177 render_block_fill(psx_gpu, color, 0, 0, width_b, height_b);
181 render_block_fill(psx_gpu, color, x, y, width_a, height);
182 render_block_fill(psx_gpu, color, 0, y, width_b, height);
187 if(unlikely((y + height) > 512))
189 u32 height_a = 512 - y;
190 u32 height_b = height - height_a;
192 render_block_fill(psx_gpu, color, x, y, width, height_a);
193 render_block_fill(psx_gpu, color, x, 0, width, height_b);
197 render_block_fill(psx_gpu, color, x, y, width, height);
202 #define sign_extend_12bit(value) \
203 (((s32)((value) << 20)) >> 20) \
205 #define sign_extend_11bit(value) \
206 (((s32)((value) << 21)) >> 21) \
208 #define sign_extend_10bit(value) \
209 (((s32)((value) << 22)) >> 22) \
212 #define get_vertex_data_xy(vertex_number, offset16) \
213 vertexes[vertex_number].x = \
214 sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \
215 vertexes[vertex_number].y = \
216 sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \
218 #define get_vertex_data_uv(vertex_number, offset16) \
219 vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \
220 vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \
222 #define get_vertex_data_rgb(vertex_number, offset32) \
223 vertexes[vertex_number].r = list[offset32] & 0xFF; \
224 vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \
225 vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \
227 #define get_vertex_data_xy_uv(vertex_number, offset16) \
228 get_vertex_data_xy(vertex_number, offset16); \
229 get_vertex_data_uv(vertex_number, (offset16) + 2) \
231 #define get_vertex_data_xy_rgb(vertex_number, offset16) \
232 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
233 get_vertex_data_xy(vertex_number, (offset16) + 2); \
235 #define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \
236 get_vertex_data_rgb(vertex_number, (offset16) / 2); \
237 get_vertex_data_xy(vertex_number, (offset16) + 2); \
238 get_vertex_data_uv(vertex_number, (offset16) + 4); \
240 #define set_vertex_color_constant(vertex_number, color) \
241 vertexes[vertex_number].r = color & 0xFF; \
242 vertexes[vertex_number].g = (color >> 8) & 0xFF; \
243 vertexes[vertex_number].b = (color >> 16) & 0xFF \
245 #define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \
246 get_vertex_data_xy(vertex_number, offset16); \
247 set_vertex_color_constant(vertex_number, color) \
253 vertex_struct vertexes[4] __attribute__((aligned(32)));
255 u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
257 u32 current_command = 0, command_length;
259 u32 *list_start = list;
260 u32 *list_end = list + (size / 4);
262 for(; list < list_end; list += 1 + command_length)
264 s16 *list_s16 = (void *)list;
265 current_command = *list >> 24;
266 command_length = command_lengths[current_command];
267 if (list + 1 + command_length > list_end) {
268 current_command = (u32)-1;
272 switch(current_command)
279 u32 x = list_s16[2] & 0x3FF;
280 u32 y = list_s16[3] & 0x1FF;
281 u32 width = list_s16[4] & 0x3FF;
282 u32 height = list_s16[5] & 0x1FF;
283 u32 color = list[0] & 0xFFFFFF;
285 do_fill(psx_gpu, x, y, width, height, color);
291 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
293 get_vertex_data_xy(0, 2);
294 get_vertex_data_xy(1, 4);
295 get_vertex_data_xy(2, 6);
297 render_triangle(psx_gpu, vertexes, current_command);
303 set_clut(psx_gpu, list_s16[5]);
304 set_texture(psx_gpu, list_s16[9]);
305 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
307 get_vertex_data_xy_uv(0, 2);
308 get_vertex_data_xy_uv(1, 6);
309 get_vertex_data_xy_uv(2, 10);
311 render_triangle(psx_gpu, vertexes, current_command);
317 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
319 get_vertex_data_xy(0, 2);
320 get_vertex_data_xy(1, 4);
321 get_vertex_data_xy(2, 6);
322 get_vertex_data_xy(3, 8);
324 render_triangle(psx_gpu, vertexes, current_command);
325 render_triangle(psx_gpu, &(vertexes[1]), current_command);
331 set_clut(psx_gpu, list_s16[5]);
332 set_texture(psx_gpu, list_s16[9]);
333 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
335 get_vertex_data_xy_uv(0, 2);
336 get_vertex_data_xy_uv(1, 6);
337 get_vertex_data_xy_uv(2, 10);
338 get_vertex_data_xy_uv(3, 14);
340 render_triangle(psx_gpu, vertexes, current_command);
341 render_triangle(psx_gpu, &(vertexes[1]), current_command);
347 get_vertex_data_xy_rgb(0, 0);
348 get_vertex_data_xy_rgb(1, 4);
349 get_vertex_data_xy_rgb(2, 8);
351 render_triangle(psx_gpu, vertexes, current_command);
360 set_clut(psx_gpu, list_s16[5]);
361 set_texture(psx_gpu, list_s16[11]);
363 get_vertex_data_xy_uv_rgb(0, 0);
364 get_vertex_data_xy_uv_rgb(1, 6);
365 get_vertex_data_xy_uv_rgb(2, 12);
367 render_triangle(psx_gpu, vertexes, current_command);
376 get_vertex_data_xy_rgb(0, 0);
377 get_vertex_data_xy_rgb(1, 4);
378 get_vertex_data_xy_rgb(2, 8);
379 get_vertex_data_xy_rgb(3, 12);
381 render_triangle(psx_gpu, vertexes, current_command);
382 render_triangle(psx_gpu, &(vertexes[1]), current_command);
391 set_clut(psx_gpu, list_s16[5]);
392 set_texture(psx_gpu, list_s16[11]);
394 get_vertex_data_xy_uv_rgb(0, 0);
395 get_vertex_data_xy_uv_rgb(1, 6);
396 get_vertex_data_xy_uv_rgb(2, 12);
397 get_vertex_data_xy_uv_rgb(3, 18);
399 render_triangle(psx_gpu, vertexes, current_command);
400 render_triangle(psx_gpu, &(vertexes[1]), current_command);
406 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
407 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
408 vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
409 vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
411 render_line(psx_gpu, vertexes, current_command, list[0]);
417 u32 num_vertexes = 1;
418 u32 *list_position = &(list[2]);
421 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
422 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
427 vertexes[0] = vertexes[1];
429 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
430 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
432 render_line(psx_gpu, vertexes, current_command, list[0]);
437 if(list_position >= list_end)
441 if((xy & 0xF000F000) == 0x50005000)
445 command_length += (num_vertexes - 2);
451 vertexes[0].r = list[0] & 0xFF;
452 vertexes[0].g = (list[0] >> 8) & 0xFF;
453 vertexes[0].b = (list[0] >> 16) & 0xFF;
454 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
455 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
457 vertexes[1].r = list[2] & 0xFF;
458 vertexes[1].g = (list[2] >> 8) & 0xFF;
459 vertexes[1].b = (list[2] >> 16) & 0xFF;
460 vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
461 vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
463 render_line(psx_gpu, vertexes, current_command, 0);
469 u32 num_vertexes = 1;
470 u32 *list_position = &(list[2]);
474 vertexes[1].r = color & 0xFF;
475 vertexes[1].g = (color >> 8) & 0xFF;
476 vertexes[1].b = (color >> 16) & 0xFF;
477 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
478 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
480 color = list_position[0];
483 xy = list_position[1];
485 vertexes[0] = vertexes[1];
487 vertexes[1].r = color & 0xFF;
488 vertexes[1].g = (color >> 8) & 0xFF;
489 vertexes[1].b = (color >> 16) & 0xFF;
490 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
491 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
493 render_line(psx_gpu, vertexes, current_command, 0);
498 if(list_position >= list_end)
501 color = list_position[0];
502 if((color & 0xF000F000) == 0x50005000)
506 command_length += ((num_vertexes - 2) * 2);
512 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
513 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
514 u32 width = list_s16[4] & 0x3FF;
515 u32 height = list_s16[5] & 0x1FF;
517 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
523 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
524 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
525 u32 uv = list_s16[4];
526 u32 width = list_s16[6] & 0x3FF;
527 u32 height = list_s16[7] & 0x1FF;
529 set_clut(psx_gpu, list_s16[5]);
531 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
532 current_command, list[0]);
541 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
542 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
544 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
553 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
554 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
556 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
565 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
566 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
567 u32 uv = list_s16[4];
569 set_clut(psx_gpu, list_s16[5]);
571 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
572 current_command, list[0]);
581 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
582 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
584 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
593 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
594 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
595 u32 uv = list_s16[4];
597 set_clut(psx_gpu, list_s16[5]);
599 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
600 current_command, list[0]);
604 case 0x80: // vid -> vid
605 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
606 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
607 ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
611 case 0xA0: // sys -> vid
612 case 0xC0: // vid -> sys
615 case 0xA0: // sys -> vid
617 u32 load_x = list_s16[2] & 0x3FF;
618 u32 load_y = list_s16[3] & 0x1FF;
619 u32 load_width = list_s16[4] & 0x3FF;
620 u32 load_height = list_s16[5] & 0x1FF;
621 u32 load_size = load_width * load_height;
623 command_length += load_size / 2;
628 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
629 load_width, load_height, load_width);
633 case 0xC0: // vid -> sys
638 set_texture(psx_gpu, list[0]);
640 if(list[0] & (1 << 9))
641 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
643 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
645 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
652 u32 texture_window_settings = list[0];
655 if(texture_window_settings != psx_gpu->texture_window_settings)
657 tmp = (texture_window_settings & 0x1F) | 0x20;
658 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
660 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
661 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
664 x = ((texture_window_settings >> 10) & tmp) << 3;
667 y = ((texture_window_settings >> 15) & tmp) << 3;
669 flush_render_block_buffer(psx_gpu);
671 psx_gpu->texture_window_settings = texture_window_settings;
672 psx_gpu->texture_window_x = x;
673 psx_gpu->texture_window_y = y;
674 psx_gpu->texture_mask_width = w - 1;
675 psx_gpu->texture_mask_height = h - 1;
677 update_texture_ptr(psx_gpu);
684 psx_gpu->viewport_start_x = list[0] & 0x3FF;
685 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
687 #ifdef TEXTURE_CACHE_4BPP
688 psx_gpu->viewport_mask =
689 texture_region_mask(psx_gpu->viewport_start_x,
690 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
691 psx_gpu->viewport_end_y);
697 psx_gpu->viewport_end_x = list[0] & 0x3FF;
698 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
700 #ifdef TEXTURE_CACHE_4BPP
701 psx_gpu->viewport_mask =
702 texture_region_mask(psx_gpu->viewport_start_x,
703 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
704 psx_gpu->viewport_end_y);
711 s32 offset_x = list[0] << 21;
712 s32 offset_y = list[0] << 10;
713 psx_gpu->offset_x = offset_x >> 21;
714 psx_gpu->offset_y = offset_y >> 21;
722 u32 mask_settings = list[0];
723 u16 mask_msb = mask_settings << 15;
726 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
728 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
730 if(mask_msb != psx_gpu->mask_msb)
732 flush_render_block_buffer(psx_gpu);
733 psx_gpu->mask_msb = mask_msb;
748 if (last_command != NULL)
749 *last_command = current_command;
750 return list - list_start;
753 #define enhancement_disable() { \
754 psx_gpu->vram_out_ptr = psx_gpu->vram_ptr; \
755 psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x; \
756 psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y; \
757 psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x; \
758 psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y; \
759 psx_gpu->render_mode &= ~RENDER_DOUBLE_MODE; \
762 #define enhancement_enable() { \
763 psx_gpu->vram_out_ptr = psx_gpu->enhancement_buf_ptr; \
764 psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x * 2; \
765 psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y * 2; \
766 psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x * 2; \
767 psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y * 2; \
768 psx_gpu->render_mode |= RENDER_DOUBLE_MODE; \
771 #define shift_vertices3(v) { \
780 #define unshift_vertices3(v) { \
789 #define shift_triangle_area() \
790 psx_gpu->triangle_area *= 4
792 static int disable_main_render;
794 static void do_triangle_enhanced(psx_gpu_struct *psx_gpu,
795 vertex_struct *vertexes, u32 current_command)
797 vertex_struct *vertex_ptrs[3];
799 if (!prepare_triangle(psx_gpu, vertexes, vertex_ptrs))
802 if (!disable_main_render)
803 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
805 enhancement_enable();
806 shift_vertices3(vertex_ptrs);
807 shift_triangle_area();
808 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
811 static void do_quad_enhanced(psx_gpu_struct *psx_gpu, vertex_struct *vertexes,
814 vertex_struct *vertex_ptrs[3];
816 if (prepare_triangle(psx_gpu, vertexes, vertex_ptrs)) {
817 if (!disable_main_render)
818 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
820 enhancement_enable();
821 shift_vertices3(vertex_ptrs);
822 shift_triangle_area();
823 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
824 unshift_vertices3(vertex_ptrs);
826 enhancement_disable();
827 if (prepare_triangle(psx_gpu, &vertexes[1], vertex_ptrs)) {
828 if (!disable_main_render)
829 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
831 enhancement_enable();
832 shift_vertices3(vertex_ptrs);
833 shift_triangle_area();
834 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
838 u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
840 u32 current_command = 0, command_length;
842 u32 *list_start = list;
843 u32 *list_end = list + (size / 4);
845 psx_gpu->saved_viewport_start_x = psx_gpu->viewport_start_x;
846 psx_gpu->saved_viewport_start_y = psx_gpu->viewport_start_y;
847 psx_gpu->saved_viewport_end_x = psx_gpu->viewport_end_x;
848 psx_gpu->saved_viewport_end_y = psx_gpu->viewport_end_y;
850 for(; list < list_end; list += 1 + command_length)
852 s16 *list_s16 = (void *)list;
853 current_command = *list >> 24;
854 command_length = command_lengths[current_command];
855 if (list + 1 + command_length > list_end) {
856 current_command = (u32)-1;
860 enhancement_disable();
862 switch(current_command)
869 u32 x = list_s16[2] & 0x3FF;
870 u32 y = list_s16[3] & 0x1FF;
871 u32 width = list_s16[4] & 0x3FF;
872 u32 height = list_s16[5] & 0x1FF;
873 u32 color = list[0] & 0xFFFFFF;
876 width = ((width + 0xF) & ~0xF);
878 do_fill(psx_gpu, x, y, width, height, color);
880 psx_gpu->vram_out_ptr = psx_gpu->enhancement_buf_ptr;
885 render_block_fill_enh(psx_gpu, color, x, y, width, height);
891 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
893 get_vertex_data_xy(0, 2);
894 get_vertex_data_xy(1, 4);
895 get_vertex_data_xy(2, 6);
897 do_triangle_enhanced(psx_gpu, vertexes, current_command);
903 set_clut(psx_gpu, list_s16[5]);
904 set_texture(psx_gpu, list_s16[9]);
905 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
907 get_vertex_data_xy_uv(0, 2);
908 get_vertex_data_xy_uv(1, 6);
909 get_vertex_data_xy_uv(2, 10);
911 do_triangle_enhanced(psx_gpu, vertexes, current_command);
917 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
919 get_vertex_data_xy(0, 2);
920 get_vertex_data_xy(1, 4);
921 get_vertex_data_xy(2, 6);
922 get_vertex_data_xy(3, 8);
924 do_quad_enhanced(psx_gpu, vertexes, current_command);
930 set_clut(psx_gpu, list_s16[5]);
931 set_texture(psx_gpu, list_s16[9]);
932 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
934 get_vertex_data_xy_uv(0, 2);
935 get_vertex_data_xy_uv(1, 6);
936 get_vertex_data_xy_uv(2, 10);
937 get_vertex_data_xy_uv(3, 14);
939 do_quad_enhanced(psx_gpu, vertexes, current_command);
945 get_vertex_data_xy_rgb(0, 0);
946 get_vertex_data_xy_rgb(1, 4);
947 get_vertex_data_xy_rgb(2, 8);
949 do_triangle_enhanced(psx_gpu, vertexes, current_command);
958 set_clut(psx_gpu, list_s16[5]);
959 set_texture(psx_gpu, list_s16[11]);
961 get_vertex_data_xy_uv_rgb(0, 0);
962 get_vertex_data_xy_uv_rgb(1, 6);
963 get_vertex_data_xy_uv_rgb(2, 12);
965 do_triangle_enhanced(psx_gpu, vertexes, current_command);
974 get_vertex_data_xy_rgb(0, 0);
975 get_vertex_data_xy_rgb(1, 4);
976 get_vertex_data_xy_rgb(2, 8);
977 get_vertex_data_xy_rgb(3, 12);
979 do_quad_enhanced(psx_gpu, vertexes, current_command);
988 set_clut(psx_gpu, list_s16[5]);
989 set_texture(psx_gpu, list_s16[11]);
991 get_vertex_data_xy_uv_rgb(0, 0);
992 get_vertex_data_xy_uv_rgb(1, 6);
993 get_vertex_data_xy_uv_rgb(2, 12);
994 get_vertex_data_xy_uv_rgb(3, 18);
996 do_quad_enhanced(psx_gpu, vertexes, current_command);
1002 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
1003 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
1004 vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
1005 vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
1007 render_line(psx_gpu, vertexes, current_command, list[0]);
1013 u32 num_vertexes = 1;
1014 u32 *list_position = &(list[2]);
1017 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1018 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1020 xy = *list_position;
1023 vertexes[0] = vertexes[1];
1025 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1026 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1028 render_line(psx_gpu, vertexes, current_command, list[0]);
1033 if(list_position >= list_end)
1036 xy = *list_position;
1037 if((xy & 0xF000F000) == 0x50005000)
1041 command_length += (num_vertexes - 2);
1047 vertexes[0].r = list[0] & 0xFF;
1048 vertexes[0].g = (list[0] >> 8) & 0xFF;
1049 vertexes[0].b = (list[0] >> 16) & 0xFF;
1050 vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
1051 vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
1053 vertexes[1].r = list[2] & 0xFF;
1054 vertexes[1].g = (list[2] >> 8) & 0xFF;
1055 vertexes[1].b = (list[2] >> 16) & 0xFF;
1056 vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
1057 vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
1059 render_line(psx_gpu, vertexes, current_command, 0);
1065 u32 num_vertexes = 1;
1066 u32 *list_position = &(list[2]);
1067 u32 color = list[0];
1070 vertexes[1].r = color & 0xFF;
1071 vertexes[1].g = (color >> 8) & 0xFF;
1072 vertexes[1].b = (color >> 16) & 0xFF;
1073 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1074 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1076 color = list_position[0];
1079 xy = list_position[1];
1081 vertexes[0] = vertexes[1];
1083 vertexes[1].r = color & 0xFF;
1084 vertexes[1].g = (color >> 8) & 0xFF;
1085 vertexes[1].b = (color >> 16) & 0xFF;
1086 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1087 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1089 render_line(psx_gpu, vertexes, current_command, 0);
1094 if(list_position >= list_end)
1097 color = list_position[0];
1098 if((color & 0xF000F000) == 0x50005000)
1102 command_length += ((num_vertexes - 2) * 2);
1108 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1109 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1110 u32 width = list_s16[4] & 0x3FF;
1111 u32 height = list_s16[5] & 0x1FF;
1113 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
1119 u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1120 u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1121 u32 uv = list_s16[4];
1122 u32 width = list_s16[6] & 0x3FF;
1123 u32 height = list_s16[7] & 0x1FF;
1125 set_clut(psx_gpu, list_s16[5]);
1127 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
1128 current_command, list[0]);
1137 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1138 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1140 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
1149 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1150 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1152 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
1161 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1162 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1163 u32 uv = list_s16[4];
1165 set_clut(psx_gpu, list_s16[5]);
1167 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
1168 current_command, list[0]);
1177 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1178 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1180 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
1189 s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
1190 s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
1191 u32 uv = list_s16[4];
1193 set_clut(psx_gpu, list_s16[5]);
1195 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
1196 current_command, list[0]);
1200 case 0x80: // vid -> vid
1201 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
1202 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
1203 ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
1207 case 0xA0: // sys -> vid
1208 case 0xC0: // vid -> sys
1211 case 0xA0: // sys -> vid
1213 u32 load_x = list_s16[2] & 0x3FF;
1214 u32 load_y = list_s16[3] & 0x1FF;
1215 u32 load_width = list_s16[4] & 0x3FF;
1216 u32 load_height = list_s16[5] & 0x1FF;
1217 u32 load_size = load_width * load_height;
1219 command_length += load_size / 2;
1224 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
1225 load_width, load_height, load_width);
1229 case 0xC0: // vid -> sys
1234 set_texture(psx_gpu, list[0]);
1236 if(list[0] & (1 << 9))
1237 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
1239 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
1241 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
1248 u32 texture_window_settings = list[0];
1249 u32 tmp, x, y, w, h;
1251 if(texture_window_settings != psx_gpu->texture_window_settings)
1253 tmp = (texture_window_settings & 0x1F) | 0x20;
1254 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
1256 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
1257 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
1259 tmp = 32 - (w >> 3);
1260 x = ((texture_window_settings >> 10) & tmp) << 3;
1262 tmp = 32 - (h >> 3);
1263 y = ((texture_window_settings >> 15) & tmp) << 3;
1265 flush_render_block_buffer(psx_gpu);
1267 psx_gpu->texture_window_settings = texture_window_settings;
1268 psx_gpu->texture_window_x = x;
1269 psx_gpu->texture_window_y = y;
1270 psx_gpu->texture_mask_width = w - 1;
1271 psx_gpu->texture_mask_height = h - 1;
1273 update_texture_ptr(psx_gpu);
1280 psx_gpu->viewport_start_x = list[0] & 0x3FF;
1281 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
1282 psx_gpu->saved_viewport_start_x = psx_gpu->viewport_start_x;
1283 psx_gpu->saved_viewport_start_y = psx_gpu->viewport_start_y;
1285 #ifdef TEXTURE_CACHE_4BPP
1286 psx_gpu->viewport_mask =
1287 texture_region_mask(psx_gpu->viewport_start_x,
1288 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
1289 psx_gpu->viewport_end_y);
1295 psx_gpu->viewport_end_x = list[0] & 0x3FF;
1296 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
1297 psx_gpu->saved_viewport_end_x = psx_gpu->viewport_end_x;
1298 psx_gpu->saved_viewport_end_y = psx_gpu->viewport_end_y;
1300 #ifdef TEXTURE_CACHE_4BPP
1301 psx_gpu->viewport_mask =
1302 texture_region_mask(psx_gpu->viewport_start_x,
1303 psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
1304 psx_gpu->viewport_end_y);
1311 s32 offset_x = list[0] << 21;
1312 s32 offset_y = list[0] << 10;
1313 psx_gpu->offset_x = offset_x >> 21;
1314 psx_gpu->offset_y = offset_y >> 21;
1322 u32 mask_settings = list[0];
1323 u16 mask_msb = mask_settings << 15;
1326 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
1328 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
1330 if(mask_msb != psx_gpu->mask_msb)
1332 flush_render_block_buffer(psx_gpu);
1333 psx_gpu->mask_msb = mask_msb;
1348 enhancement_disable();
1349 if (last_command != NULL)
1350 *last_command = current_command;
1351 return list - list_start;
1354 // vim:shiftwidth=2:expandtab