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 if(psx_gpu->texture_settings != texture_settings)
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;
101 flush_render_block_buffer(psx_gpu);
103 render_state_base &= ~(0xF << 6);
104 render_state_base |= ((texture_settings >> 5) & 0xF) << 6;
106 psx_gpu->render_state_base = render_state_base;
108 psx_gpu->current_texture_mask = 0x1 << new_texture_page;
110 if(texture_mode == TEXTURE_MODE_8BPP)
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;
117 if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
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;
126 psx_gpu->last_8bpp_texture_page = new_texture_page;
129 psx_gpu->current_texture_page = new_texture_page;
130 psx_gpu->texture_settings = texture_settings;
132 update_texture_ptr(psx_gpu);
136 void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
138 if(psx_gpu->clut_settings != clut_settings)
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);
146 void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
148 if(psx_gpu->triangle_color != triangle_color)
150 flush_render_block_buffer(psx_gpu);
151 psx_gpu->triangle_color = triangle_color;
155 static void do_fill(psx_gpu_struct *psx_gpu, u32 x, u32 y,
156 u32 width, u32 height, u32 color)
159 width = ((width + 0xF) & ~0xF);
161 flush_render_block_buffer(psx_gpu);
163 if(unlikely((x + width) > 1024))
165 u32 width_a = 1024 - x;
166 u32 width_b = width - width_a;
168 if(unlikely((y + height) > 512))
170 u32 height_a = 512 - y;
171 u32 height_b = height - height_a;
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);
180 render_block_fill(psx_gpu, color, x, y, width_a, height);
181 render_block_fill(psx_gpu, color, 0, y, width_b, height);
186 if(unlikely((y + height) > 512))
188 u32 height_a = 512 - y;
189 u32 height_b = height - height_a;
191 render_block_fill(psx_gpu, color, x, y, width, height_a);
192 render_block_fill(psx_gpu, color, x, 0, width, height_b);
196 render_block_fill(psx_gpu, color, x, y, width, height);
201 #define sign_extend_12bit(value) \
202 (((s32)((value) << 20)) >> 20) \
204 #define sign_extend_11bit(value) \
205 (((s32)((value) << 21)) >> 21) \
207 #define sign_extend_10bit(value) \
208 (((s32)((value) << 22)) >> 22) \
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; \
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 \
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 \
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) \
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); \
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); \
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 \
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) \
252 vertex_struct vertexes[4] __attribute__((aligned(32)));
254 u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
256 u32 current_command = 0, command_length;
258 u32 *list_start = list;
259 u32 *list_end = list + (size / 4);
261 for(; list < list_end; list += 1 + command_length)
263 s16 *list_s16 = (void *)list;
264 current_command = *list >> 24;
265 command_length = command_lengths[current_command];
266 if (list + 1 + command_length > list_end) {
267 current_command = (u32)-1;
271 switch(current_command)
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;
284 do_fill(psx_gpu, x, y, width, height, color);
290 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
292 get_vertex_data_xy(0, 2);
293 get_vertex_data_xy(1, 4);
294 get_vertex_data_xy(2, 6);
296 render_triangle(psx_gpu, vertexes, current_command);
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);
306 get_vertex_data_xy_uv(0, 2);
307 get_vertex_data_xy_uv(1, 6);
308 get_vertex_data_xy_uv(2, 10);
310 render_triangle(psx_gpu, vertexes, current_command);
316 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
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);
323 render_triangle(psx_gpu, vertexes, current_command);
324 render_triangle(psx_gpu, &(vertexes[1]), current_command);
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);
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);
339 render_triangle(psx_gpu, vertexes, current_command);
340 render_triangle(psx_gpu, &(vertexes[1]), current_command);
346 get_vertex_data_xy_rgb(0, 0);
347 get_vertex_data_xy_rgb(1, 4);
348 get_vertex_data_xy_rgb(2, 8);
350 render_triangle(psx_gpu, vertexes, current_command);
359 set_clut(psx_gpu, list_s16[5]);
360 set_texture(psx_gpu, list_s16[11]);
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);
366 render_triangle(psx_gpu, vertexes, current_command);
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);
380 render_triangle(psx_gpu, vertexes, current_command);
381 render_triangle(psx_gpu, &(vertexes[1]), current_command);
390 set_clut(psx_gpu, list_s16[5]);
391 set_texture(psx_gpu, list_s16[11]);
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);
398 render_triangle(psx_gpu, vertexes, current_command);
399 render_triangle(psx_gpu, &(vertexes[1]), current_command);
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;
410 render_line(psx_gpu, vertexes, current_command, list[0]);
416 u32 num_vertexes = 1;
417 u32 *list_position = &(list[2]);
420 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
421 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
426 vertexes[0] = vertexes[1];
428 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
429 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
431 render_line(psx_gpu, vertexes, current_command, list[0]);
436 if(list_position >= list_end)
440 if((xy & 0xF000F000) == 0x50005000)
444 command_length += (num_vertexes - 2);
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;
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;
462 render_line(psx_gpu, vertexes, current_command, 0);
468 u32 num_vertexes = 1;
469 u32 *list_position = &(list[2]);
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;
479 color = list_position[0];
482 xy = list_position[1];
484 vertexes[0] = vertexes[1];
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;
492 render_line(psx_gpu, vertexes, current_command, 0);
497 if(list_position >= list_end)
500 color = list_position[0];
501 if((color & 0xF000F000) == 0x50005000)
505 command_length += ((num_vertexes - 2) * 2);
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);
513 u32 width = list_s16[4] & 0x3FF;
514 u32 height = list_s16[5] & 0x1FF;
516 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
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);
524 u32 uv = list_s16[4];
525 u32 width = list_s16[6] & 0x3FF;
526 u32 height = list_s16[7] & 0x1FF;
528 set_clut(psx_gpu, list_s16[5]);
530 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
531 current_command, list[0]);
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);
543 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
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);
555 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
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);
566 u32 uv = list_s16[4];
568 set_clut(psx_gpu, list_s16[5]);
570 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
571 current_command, list[0]);
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);
583 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
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);
594 u32 uv = list_s16[4];
596 set_clut(psx_gpu, list_s16[5]);
598 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
599 current_command, list[0]);
603 case 0x80: // vid -> vid
604 render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
605 list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
606 ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
610 case 0xA0: // sys -> vid
611 case 0xC0: // vid -> sys
614 case 0xA0: // sys -> vid
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;
620 u32 load_size = load_width * load_height;
622 command_length += load_size / 2;
627 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
628 load_width, load_height, load_width);
632 case 0xC0: // vid -> sys
637 set_texture(psx_gpu, list[0] & 0x1FF);
639 if(list[0] & (1 << 9))
640 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
642 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
644 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
651 u32 texture_window_settings = list[0];
654 if(texture_window_settings != psx_gpu->texture_window_settings)
656 tmp = (texture_window_settings & 0x1F) | 0x20;
657 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
659 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
660 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
663 x = ((texture_window_settings >> 10) & tmp) << 3;
666 y = ((texture_window_settings >> 15) & tmp) << 3;
668 flush_render_block_buffer(psx_gpu);
670 psx_gpu->texture_window_settings = texture_window_settings;
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;
676 update_texture_ptr(psx_gpu);
683 psx_gpu->viewport_start_x = list[0] & 0x3FF;
684 psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
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);
696 psx_gpu->viewport_end_x = list[0] & 0x3FF;
697 psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
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);
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;
721 u32 mask_settings = list[0];
722 u16 mask_msb = mask_settings << 15;
725 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
727 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
729 if(mask_msb != psx_gpu->mask_msb)
731 flush_render_block_buffer(psx_gpu);
732 psx_gpu->mask_msb = mask_msb;
747 if (last_command != NULL)
748 *last_command = current_command;
749 return list - list_start;
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; \
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; \
768 #define shift_vertices3(v) { \
777 #define unshift_vertices3(v) { \
786 #define shift_triangle_area() \
787 psx_gpu->triangle_area *= 4
789 static int disable_main_render;
791 static void do_triangle_enhanced(psx_gpu_struct *psx_gpu,
792 vertex_struct *vertexes, u32 current_command)
794 vertex_struct *vertex_ptrs[3];
796 if (!prepare_triangle(psx_gpu, vertexes, vertex_ptrs))
799 if (!disable_main_render)
800 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
802 enhancement_enable();
803 shift_vertices3(vertex_ptrs);
804 shift_triangle_area();
805 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
808 static void do_quad_enhanced(psx_gpu_struct *psx_gpu, vertex_struct *vertexes,
811 vertex_struct *vertex_ptrs[3];
813 if (prepare_triangle(psx_gpu, vertexes, vertex_ptrs)) {
814 if (!disable_main_render)
815 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
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);
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);
828 enhancement_enable();
829 shift_vertices3(vertex_ptrs);
830 shift_triangle_area();
831 render_triangle_p(psx_gpu, vertex_ptrs, current_command);
835 u32 gpu_parse_enhanced(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
837 u32 current_command = 0, command_length;
839 u32 *list_start = list;
840 u32 *list_end = list + (size / 4);
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;
847 for(; list < list_end; list += 1 + command_length)
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;
857 enhancement_disable();
859 switch(current_command)
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;
872 do_fill(psx_gpu, x, y, width, height, color);
874 psx_gpu->vram_out_ptr = psx_gpu->enhancement_buf_ptr;
881 render_block_fill(psx_gpu, color, x, y, width, height);
887 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
889 get_vertex_data_xy(0, 2);
890 get_vertex_data_xy(1, 4);
891 get_vertex_data_xy(2, 6);
893 do_triangle_enhanced(psx_gpu, vertexes, current_command);
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);
903 get_vertex_data_xy_uv(0, 2);
904 get_vertex_data_xy_uv(1, 6);
905 get_vertex_data_xy_uv(2, 10);
907 do_triangle_enhanced(psx_gpu, vertexes, current_command);
913 set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
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);
920 do_quad_enhanced(psx_gpu, vertexes, current_command);
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);
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);
935 do_quad_enhanced(psx_gpu, vertexes, current_command);
941 get_vertex_data_xy_rgb(0, 0);
942 get_vertex_data_xy_rgb(1, 4);
943 get_vertex_data_xy_rgb(2, 8);
945 do_triangle_enhanced(psx_gpu, vertexes, current_command);
954 set_clut(psx_gpu, list_s16[5]);
955 set_texture(psx_gpu, list_s16[11]);
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);
961 do_triangle_enhanced(psx_gpu, vertexes, current_command);
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);
975 do_quad_enhanced(psx_gpu, vertexes, current_command);
984 set_clut(psx_gpu, list_s16[5]);
985 set_texture(psx_gpu, list_s16[11]);
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);
992 do_quad_enhanced(psx_gpu, vertexes, current_command);
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;
1003 render_line(psx_gpu, vertexes, current_command, list[0]);
1009 u32 num_vertexes = 1;
1010 u32 *list_position = &(list[2]);
1013 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1014 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1016 xy = *list_position;
1019 vertexes[0] = vertexes[1];
1021 vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
1022 vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
1024 render_line(psx_gpu, vertexes, current_command, list[0]);
1029 if(list_position >= list_end)
1032 xy = *list_position;
1033 if((xy & 0xF000F000) == 0x50005000)
1037 command_length += (num_vertexes - 2);
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;
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;
1055 render_line(psx_gpu, vertexes, current_command, 0);
1061 u32 num_vertexes = 1;
1062 u32 *list_position = &(list[2]);
1063 u32 color = list[0];
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;
1072 color = list_position[0];
1075 xy = list_position[1];
1077 vertexes[0] = vertexes[1];
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;
1085 render_line(psx_gpu, vertexes, current_command, 0);
1090 if(list_position >= list_end)
1093 color = list_position[0];
1094 if((color & 0xF000F000) == 0x50005000)
1098 command_length += ((num_vertexes - 2) * 2);
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;
1109 render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
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;
1121 set_clut(psx_gpu, list_s16[5]);
1123 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
1124 current_command, list[0]);
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);
1136 render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
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);
1148 render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
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];
1161 set_clut(psx_gpu, list_s16[5]);
1163 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
1164 current_command, list[0]);
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);
1176 render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
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];
1189 set_clut(psx_gpu, list_s16[5]);
1191 render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
1192 current_command, list[0]);
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);
1203 case 0xA0: // sys -> vid
1204 case 0xC0: // vid -> sys
1207 case 0xA0: // sys -> vid
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;
1215 command_length += load_size / 2;
1220 render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
1221 load_width, load_height, load_width);
1225 case 0xC0: // vid -> sys
1230 set_texture(psx_gpu, list[0] & 0x1FF);
1232 if(list[0] & (1 << 9))
1233 psx_gpu->render_state_base |= RENDER_STATE_DITHER;
1235 psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
1237 psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
1244 u32 texture_window_settings = list[0];
1245 u32 tmp, x, y, w, h;
1247 if(texture_window_settings != psx_gpu->texture_window_settings)
1249 tmp = (texture_window_settings & 0x1F) | 0x20;
1250 for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
1252 tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
1253 for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
1255 tmp = 32 - (w >> 3);
1256 x = ((texture_window_settings >> 10) & tmp) << 3;
1258 tmp = 32 - (h >> 3);
1259 y = ((texture_window_settings >> 15) & tmp) << 3;
1261 flush_render_block_buffer(psx_gpu);
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;
1269 update_texture_ptr(psx_gpu);
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;
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);
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;
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);
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;
1318 u32 mask_settings = list[0];
1319 u16 mask_msb = mask_settings << 15;
1322 psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
1324 psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
1326 if(mask_msb != psx_gpu->mask_msb)
1328 flush_render_block_buffer(psx_gpu);
1329 psx_gpu->mask_msb = mask_msb;
1344 enhancement_disable();
1345 if (last_command != NULL)
1346 *last_command = current_command;
1347 return list - list_start;
1350 // vim:shiftwidth=2:expandtab