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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 | ||
19 | const u8 command_lengths[256] = | |
20 | { | |
21 | 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00 | |
22 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10 | |
23 | 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20 | |
24 | 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30 | |
25 | 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40 | |
26 | 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50 | |
27 | 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, // 60 | |
28 | 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70 | |
29 | 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 | |
30 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90 | |
31 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0 | |
32 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b0 | |
33 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0 | |
34 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d0 | |
35 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0 | |
36 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0 | |
37 | }; | |
38 | ||
39 | void update_texture_ptr(psx_gpu_struct *psx_gpu) | |
40 | { | |
3867c6ef | 41 | u8 *texture_base; |
75e28f62 E |
42 | u8 *texture_ptr; |
43 | ||
44 | switch((psx_gpu->render_state_base >> 8) & 0x3) | |
45 | { | |
46 | default: | |
47 | case TEXTURE_MODE_4BPP: | |
3867c6ef E |
48 | texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page]; |
49 | ||
50 | texture_ptr = texture_base; | |
75e28f62 E |
51 | texture_ptr += psx_gpu->texture_window_x & 0xF; |
52 | texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4; | |
53 | texture_ptr += (psx_gpu->texture_window_x >> 4) << 8; | |
54 | texture_ptr += (psx_gpu->texture_window_y >> 4) << 12; | |
75e28f62 E |
55 | break; |
56 | ||
57 | case TEXTURE_MODE_8BPP: | |
75e28f62 E |
58 | if(psx_gpu->current_texture_page & 0x1) |
59 | { | |
3867c6ef | 60 | texture_base = |
75e28f62 E |
61 | psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1]; |
62 | } | |
63 | else | |
64 | { | |
3867c6ef | 65 | texture_base = |
75e28f62 E |
66 | psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1]; |
67 | } | |
68 | ||
3867c6ef E |
69 | texture_ptr = texture_base; |
70 | texture_ptr += psx_gpu->texture_window_x & 0xF; | |
75e28f62 E |
71 | texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4; |
72 | texture_ptr += (psx_gpu->texture_window_x >> 4) << 8; | |
73 | texture_ptr += (psx_gpu->texture_window_y >> 4) << 12; | |
75e28f62 E |
74 | break; |
75 | ||
76 | case TEXTURE_MODE_16BPP: | |
3867c6ef E |
77 | texture_base = (u8 *)(psx_gpu->vram_ptr); |
78 | texture_base += (psx_gpu->current_texture_page & 0xF) * 128; | |
79 | texture_base += ((psx_gpu->current_texture_page >> 4) * 256) * 2048; | |
80 | ||
81 | texture_ptr = texture_base; | |
75e28f62 E |
82 | texture_ptr += psx_gpu->texture_window_x * 2; |
83 | texture_ptr += (psx_gpu->texture_window_y) * 2048; | |
84 | break; | |
85 | } | |
86 | ||
3867c6ef | 87 | psx_gpu->texture_page_base = texture_base; |
75e28f62 E |
88 | psx_gpu->texture_page_ptr = texture_ptr; |
89 | } | |
90 | ||
91 | void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings) | |
92 | { | |
93 | if(psx_gpu->texture_settings != texture_settings) | |
94 | { | |
95 | u32 new_texture_page = texture_settings & 0x1F; | |
96 | u32 texture_mode = (texture_settings >> 7) & 0x3; | |
97 | u32 render_state_base = psx_gpu->render_state_base; | |
98 | ||
b7ed0632 | 99 | flush_render_block_buffer(psx_gpu); |
75e28f62 E |
100 | |
101 | render_state_base &= ~(0xF << 6); | |
102 | render_state_base |= ((texture_settings >> 5) & 0xF) << 6; | |
103 | ||
104 | psx_gpu->render_state_base = render_state_base; | |
105 | ||
106 | psx_gpu->current_texture_mask = 0x1 << new_texture_page; | |
107 | ||
108 | if(texture_mode == TEXTURE_MODE_8BPP) | |
109 | { | |
110 | // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it | |
111 | // wraps back around to the left edge. | |
112 | u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10); | |
113 | psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page; | |
114 | ||
115 | if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1) | |
116 | { | |
117 | u32 dirty_textures_8bpp_alternate_mask = | |
118 | psx_gpu->dirty_textures_8bpp_alternate_mask; | |
119 | psx_gpu->dirty_textures_8bpp_alternate_mask = | |
120 | psx_gpu->dirty_textures_8bpp_mask; | |
121 | psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask; | |
122 | } | |
123 | ||
124 | psx_gpu->last_8bpp_texture_page = new_texture_page; | |
125 | } | |
126 | ||
127 | psx_gpu->current_texture_page = new_texture_page; | |
128 | psx_gpu->texture_settings = texture_settings; | |
129 | ||
130 | update_texture_ptr(psx_gpu); | |
131 | } | |
132 | } | |
133 | ||
134 | void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings) | |
135 | { | |
136 | if(psx_gpu->clut_settings != clut_settings) | |
137 | { | |
138 | flush_render_block_buffer(psx_gpu); | |
139 | psx_gpu->clut_settings = clut_settings; | |
140 | psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16); | |
141 | } | |
142 | } | |
143 | ||
144 | void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color) | |
145 | { | |
146 | if(psx_gpu->triangle_color != triangle_color) | |
147 | { | |
148 | flush_render_block_buffer(psx_gpu); | |
149 | psx_gpu->triangle_color = triangle_color; | |
150 | } | |
151 | } | |
152 | ||
153 | #define sign_extend_12bit(value) \ | |
154 | (((s32)((value) << 20)) >> 20) \ | |
155 | ||
4be044ba E |
156 | #define sign_extend_11bit(value) \ |
157 | (((s32)((value) << 21)) >> 21) \ | |
158 | ||
159 | #define sign_extend_10bit(value) \ | |
160 | (((s32)((value) << 22)) >> 22) \ | |
161 | ||
162 | ||
75e28f62 E |
163 | #define get_vertex_data_xy(vertex_number, offset16) \ |
164 | vertexes[vertex_number].x = \ | |
165 | sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \ | |
166 | vertexes[vertex_number].y = \ | |
167 | sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \ | |
168 | ||
169 | #define get_vertex_data_uv(vertex_number, offset16) \ | |
170 | vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \ | |
171 | vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \ | |
172 | ||
173 | #define get_vertex_data_rgb(vertex_number, offset32) \ | |
174 | vertexes[vertex_number].r = list[offset32] & 0xFF; \ | |
175 | vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \ | |
176 | vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \ | |
177 | ||
178 | #define get_vertex_data_xy_uv(vertex_number, offset16) \ | |
179 | get_vertex_data_xy(vertex_number, offset16); \ | |
180 | get_vertex_data_uv(vertex_number, (offset16) + 2) \ | |
181 | ||
182 | #define get_vertex_data_xy_rgb(vertex_number, offset16) \ | |
183 | get_vertex_data_rgb(vertex_number, (offset16) / 2); \ | |
184 | get_vertex_data_xy(vertex_number, (offset16) + 2); \ | |
185 | ||
186 | #define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \ | |
187 | get_vertex_data_rgb(vertex_number, (offset16) / 2); \ | |
188 | get_vertex_data_xy(vertex_number, (offset16) + 2); \ | |
189 | get_vertex_data_uv(vertex_number, (offset16) + 4); \ | |
190 | ||
191 | #define set_vertex_color_constant(vertex_number, color) \ | |
192 | vertexes[vertex_number].r = color & 0xFF; \ | |
193 | vertexes[vertex_number].g = (color >> 8) & 0xFF; \ | |
194 | vertexes[vertex_number].b = (color >> 16) & 0xFF \ | |
195 | ||
196 | #define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \ | |
197 | get_vertex_data_xy(vertex_number, offset16); \ | |
198 | set_vertex_color_constant(vertex_number, color) \ | |
199 | ||
200 | vertex_struct vertexes[4] __attribute__((aligned(32))); | |
201 | ||
202 | void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size) | |
203 | { | |
204 | u32 current_command, command_length; | |
205 | ||
206 | u32 *list_end = list + (size / 4); | |
207 | ||
208 | for(; list < list_end; list += 1 + command_length) | |
209 | { | |
210 | s16 *list_s16 = (void *)list; | |
211 | current_command = *list >> 24; | |
212 | command_length = command_lengths[current_command]; | |
213 | ||
214 | switch(current_command) | |
215 | { | |
216 | case 0x00: | |
217 | break; | |
218 | ||
219 | case 0x02: | |
1f88961f E |
220 | render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2] & 0x3FF, |
221 | list_s16[3] & 0x1FF, list_s16[4] & 0x3FF, list_s16[5] & 0x1FF); | |
75e28f62 E |
222 | break; |
223 | ||
224 | case 0x20 ... 0x23: | |
225 | { | |
226 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); | |
227 | ||
228 | get_vertex_data_xy(0, 2); | |
229 | get_vertex_data_xy(1, 4); | |
230 | get_vertex_data_xy(2, 6); | |
231 | ||
232 | render_triangle(psx_gpu, vertexes, current_command); | |
233 | break; | |
234 | } | |
235 | ||
236 | case 0x24 ... 0x27: | |
237 | { | |
238 | set_clut(psx_gpu, list_s16[5]); | |
239 | set_texture(psx_gpu, list_s16[9]); | |
240 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); | |
241 | ||
242 | get_vertex_data_xy_uv(0, 2); | |
243 | get_vertex_data_xy_uv(1, 6); | |
244 | get_vertex_data_xy_uv(2, 10); | |
245 | ||
246 | render_triangle(psx_gpu, vertexes, current_command); | |
247 | break; | |
248 | } | |
249 | ||
250 | case 0x28 ... 0x2B: | |
251 | { | |
252 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); | |
253 | ||
254 | get_vertex_data_xy(0, 2); | |
255 | get_vertex_data_xy(1, 4); | |
256 | get_vertex_data_xy(2, 6); | |
257 | get_vertex_data_xy(3, 8); | |
258 | ||
259 | render_triangle(psx_gpu, vertexes, current_command); | |
260 | render_triangle(psx_gpu, &(vertexes[1]), current_command); | |
261 | break; | |
262 | } | |
263 | ||
264 | case 0x2C ... 0x2F: | |
265 | { | |
266 | set_clut(psx_gpu, list_s16[5]); | |
267 | set_texture(psx_gpu, list_s16[9]); | |
268 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); | |
269 | ||
270 | get_vertex_data_xy_uv(0, 2); | |
271 | get_vertex_data_xy_uv(1, 6); | |
272 | get_vertex_data_xy_uv(2, 10); | |
273 | get_vertex_data_xy_uv(3, 14); | |
274 | ||
275 | render_triangle(psx_gpu, vertexes, current_command); | |
276 | render_triangle(psx_gpu, &(vertexes[1]), current_command); | |
277 | break; | |
278 | } | |
279 | ||
280 | case 0x30 ... 0x33: | |
281 | { | |
282 | get_vertex_data_xy_rgb(0, 0); | |
283 | get_vertex_data_xy_rgb(1, 4); | |
284 | get_vertex_data_xy_rgb(2, 8); | |
285 | ||
286 | render_triangle(psx_gpu, vertexes, current_command); | |
287 | break; | |
288 | } | |
289 | ||
290 | case 0x34: | |
291 | case 0x35: | |
292 | case 0x36: | |
293 | case 0x37: | |
294 | { | |
295 | set_clut(psx_gpu, list_s16[5]); | |
296 | set_texture(psx_gpu, list_s16[11]); | |
297 | ||
298 | get_vertex_data_xy_uv_rgb(0, 0); | |
299 | get_vertex_data_xy_uv_rgb(1, 6); | |
300 | get_vertex_data_xy_uv_rgb(2, 12); | |
301 | ||
302 | render_triangle(psx_gpu, vertexes, current_command); | |
303 | break; | |
304 | } | |
305 | ||
306 | case 0x38: | |
307 | case 0x39: | |
308 | case 0x3A: | |
309 | case 0x3B: | |
310 | { | |
311 | get_vertex_data_xy_rgb(0, 0); | |
312 | get_vertex_data_xy_rgb(1, 4); | |
313 | get_vertex_data_xy_rgb(2, 8); | |
314 | get_vertex_data_xy_rgb(3, 12); | |
315 | ||
316 | render_triangle(psx_gpu, vertexes, current_command); | |
317 | render_triangle(psx_gpu, &(vertexes[1]), current_command); | |
318 | break; | |
319 | } | |
320 | ||
321 | case 0x3C: | |
322 | case 0x3D: | |
323 | case 0x3E: | |
324 | case 0x3F: | |
325 | { | |
326 | set_clut(psx_gpu, list_s16[5]); | |
327 | set_texture(psx_gpu, list_s16[11]); | |
328 | ||
329 | get_vertex_data_xy_uv_rgb(0, 0); | |
330 | get_vertex_data_xy_uv_rgb(1, 6); | |
331 | get_vertex_data_xy_uv_rgb(2, 12); | |
332 | get_vertex_data_xy_uv_rgb(3, 18); | |
333 | ||
334 | render_triangle(psx_gpu, vertexes, current_command); | |
335 | render_triangle(psx_gpu, &(vertexes[1]), current_command); | |
336 | break; | |
337 | } | |
338 | ||
339 | case 0x40 ... 0x47: | |
340 | { | |
341 | vertexes[0].x = list_s16[2] + psx_gpu->offset_x; | |
342 | vertexes[0].y = list_s16[3] + psx_gpu->offset_y; | |
343 | vertexes[1].x = list_s16[4] + psx_gpu->offset_x; | |
344 | vertexes[1].y = list_s16[5] + psx_gpu->offset_y; | |
345 | ||
346 | render_line(psx_gpu, vertexes, current_command, list[0]); | |
347 | break; | |
348 | } | |
349 | ||
350 | case 0x48 ... 0x4F: | |
351 | { | |
352 | u32 num_vertexes = 1; | |
353 | u32 *list_position = &(list[2]); | |
354 | u32 xy = list[1]; | |
355 | ||
356 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; | |
357 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; | |
358 | ||
359 | while(1) | |
360 | { | |
361 | xy = *list_position; | |
362 | if(xy == 0x55555555) | |
363 | break; | |
364 | ||
365 | vertexes[0] = vertexes[1]; | |
366 | ||
367 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; | |
368 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; | |
369 | ||
370 | list_position++; | |
371 | num_vertexes++; | |
372 | ||
373 | render_line(psx_gpu, vertexes, current_command, list[0]); | |
374 | } | |
375 | ||
376 | if(num_vertexes > 2) | |
377 | command_length += (num_vertexes - 2); | |
378 | ||
379 | break; | |
380 | } | |
381 | ||
382 | case 0x50 ... 0x57: | |
383 | { | |
384 | vertexes[0].r = list[0] & 0xFF; | |
385 | vertexes[0].g = (list[0] >> 8) & 0xFF; | |
386 | vertexes[0].b = (list[0] >> 16) & 0xFF; | |
387 | vertexes[0].x = list_s16[2] + psx_gpu->offset_x; | |
388 | vertexes[0].y = list_s16[3] + psx_gpu->offset_y; | |
389 | ||
390 | vertexes[1].r = list[2] & 0xFF; | |
391 | vertexes[1].g = (list[2] >> 8) & 0xFF; | |
392 | vertexes[1].b = (list[2] >> 16) & 0xFF; | |
393 | vertexes[1].x = list_s16[6] + psx_gpu->offset_x; | |
394 | vertexes[1].y = list_s16[7] + psx_gpu->offset_y; | |
395 | ||
396 | render_line(psx_gpu, vertexes, current_command, 0); | |
397 | break; | |
398 | } | |
399 | ||
400 | case 0x58 ... 0x5F: | |
401 | { | |
402 | u32 num_vertexes = 1; | |
403 | u32 *list_position = &(list[2]); | |
404 | u32 color = list[0]; | |
405 | u32 xy = list[1]; | |
406 | ||
407 | vertexes[1].r = color & 0xFF; | |
408 | vertexes[1].g = (color >> 8) & 0xFF; | |
409 | vertexes[1].b = (color >> 16) & 0xFF; | |
410 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; | |
411 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; | |
412 | ||
413 | while(1) | |
414 | { | |
415 | color = list_position[0]; | |
416 | if(color == 0x55555555) | |
417 | break; | |
418 | ||
419 | xy = list_position[1]; | |
420 | ||
421 | vertexes[0] = vertexes[1]; | |
422 | ||
423 | vertexes[1].r = color & 0xFF; | |
424 | vertexes[1].g = (color >> 8) & 0xFF; | |
425 | vertexes[1].b = (color >> 16) & 0xFF; | |
426 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; | |
427 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; | |
428 | ||
429 | list_position += 2; | |
430 | num_vertexes++; | |
431 | ||
432 | render_line(psx_gpu, vertexes, current_command, 0); | |
433 | } | |
434 | ||
435 | if(num_vertexes > 2) | |
436 | command_length += ((num_vertexes * 2) - 2); | |
437 | ||
438 | break; | |
439 | } | |
440 | ||
441 | case 0x60 ... 0x63: | |
442 | { | |
4be044ba E |
443 | u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
444 | u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 E |
445 | u32 width = list_s16[4] & 0x3FF; |
446 | u32 height = list_s16[5] & 0x1FF; | |
447 | ||
75e28f62 E |
448 | render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]); |
449 | break; | |
450 | } | |
451 | ||
452 | case 0x64 ... 0x67: | |
453 | { | |
4be044ba E |
454 | u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
455 | u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 E |
456 | u32 uv = list_s16[4]; |
457 | u32 width = list_s16[6] & 0x3FF; | |
458 | u32 height = list_s16[7] & 0x1FF; | |
459 | ||
75e28f62 E |
460 | set_clut(psx_gpu, list_s16[5]); |
461 | ||
462 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height, | |
463 | current_command, list[0]); | |
464 | break; | |
465 | } | |
466 | ||
467 | case 0x68: | |
468 | case 0x69: | |
469 | case 0x6A: | |
470 | case 0x6B: | |
471 | { | |
4be044ba E |
472 | s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
473 | s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 | 474 | |
75e28f62 E |
475 | render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]); |
476 | break; | |
477 | } | |
478 | ||
479 | case 0x70: | |
480 | case 0x71: | |
481 | case 0x72: | |
482 | case 0x73: | |
483 | { | |
4be044ba E |
484 | s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
485 | s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 | 486 | |
75e28f62 E |
487 | render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]); |
488 | break; | |
489 | } | |
490 | ||
491 | case 0x74: | |
492 | case 0x75: | |
493 | case 0x76: | |
494 | case 0x77: | |
495 | { | |
4be044ba E |
496 | s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
497 | s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 E |
498 | u32 uv = list_s16[4]; |
499 | ||
75e28f62 E |
500 | set_clut(psx_gpu, list_s16[5]); |
501 | ||
502 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8, | |
503 | current_command, list[0]); | |
504 | break; | |
505 | } | |
506 | ||
507 | case 0x78: | |
508 | case 0x79: | |
509 | case 0x7A: | |
510 | case 0x7B: | |
511 | { | |
4be044ba E |
512 | s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
513 | s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 | 514 | |
75e28f62 E |
515 | render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]); |
516 | break; | |
517 | } | |
518 | ||
519 | case 0x7C: | |
520 | case 0x7D: | |
521 | case 0x7E: | |
522 | case 0x7F: | |
523 | { | |
4be044ba E |
524 | s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x); |
525 | s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y); | |
75e28f62 E |
526 | u32 uv = list_s16[4]; |
527 | ||
75e28f62 E |
528 | set_clut(psx_gpu, list_s16[5]); |
529 | ||
530 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16, | |
531 | current_command, list[0]); | |
532 | break; | |
533 | } | |
534 | ||
535 | case 0x80: // vid -> vid | |
536 | render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF, | |
537 | list_s16[4] & 0x3FF, list_s16[5] & 0x1FF, list_s16[6], list_s16[7]); | |
538 | break; | |
539 | ||
540 | case 0xA0: // sys -> vid | |
541 | { | |
1f88961f E |
542 | u32 load_x = list_s16[2] & 0x3FF; |
543 | u32 load_y = list_s16[3] & 0x1FF; | |
544 | u32 load_width = list_s16[4] & 0x3FF; | |
545 | u32 load_height = list_s16[5] & 0x1FF; | |
75e28f62 E |
546 | u32 load_size = load_width * load_height; |
547 | ||
548 | command_length += load_size / 2; | |
549 | ||
550 | render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y, | |
551 | load_width, load_height, load_width); | |
552 | break; | |
553 | } | |
554 | ||
555 | case 0xC0: // vid -> sys | |
556 | break; | |
557 | ||
558 | case 0xE1: | |
559 | set_texture(psx_gpu, list[0] & 0x1FF); | |
560 | if(list[0] & (1 << 9)) | |
561 | psx_gpu->render_state_base |= RENDER_STATE_DITHER; | |
562 | else | |
563 | psx_gpu->render_state_base &= ~RENDER_STATE_DITHER; | |
564 | ||
565 | psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1; | |
566 | break; | |
567 | ||
568 | case 0xE2: | |
569 | { | |
570 | // TODO: Clean | |
571 | u32 texture_window_settings = list[0]; | |
572 | u32 tmp, x, y, w, h; | |
573 | ||
574 | if(texture_window_settings != psx_gpu->texture_window_settings) | |
575 | { | |
576 | tmp = (texture_window_settings & 0x1F) | 0x20; | |
577 | for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1); | |
578 | ||
579 | tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20; | |
580 | for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1); | |
581 | ||
582 | tmp = 32 - (w >> 3); | |
583 | x = ((texture_window_settings >> 10) & tmp) << 3; | |
584 | ||
585 | tmp = 32 - (h >> 3); | |
586 | y = ((texture_window_settings >> 15) & tmp) << 3; | |
587 | ||
588 | flush_render_block_buffer(psx_gpu); | |
589 | ||
de35a464 | 590 | psx_gpu->texture_window_settings = texture_window_settings; |
75e28f62 E |
591 | psx_gpu->texture_window_x = x; |
592 | psx_gpu->texture_window_y = y; | |
593 | psx_gpu->texture_mask_width = w - 1; | |
594 | psx_gpu->texture_mask_height = h - 1; | |
595 | ||
596 | update_texture_ptr(psx_gpu); | |
597 | } | |
598 | break; | |
599 | } | |
600 | ||
601 | case 0xE3: | |
602 | psx_gpu->viewport_start_x = list[0] & 0x3FF; | |
603 | psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF; | |
604 | ||
605 | #ifdef TEXTURE_CACHE_4BPP | |
606 | psx_gpu->viewport_mask = | |
607 | texture_region_mask(psx_gpu->viewport_start_x, | |
608 | psx_gpu->viewport_start_y, psx_gpu->viewport_end_x, | |
609 | psx_gpu->viewport_end_y); | |
610 | #endif | |
611 | break; | |
612 | ||
613 | case 0xE4: | |
614 | psx_gpu->viewport_end_x = list[0] & 0x3FF; | |
615 | psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF; | |
616 | ||
617 | #ifdef TEXTURE_CACHE_4BPP | |
618 | psx_gpu->viewport_mask = | |
619 | texture_region_mask(psx_gpu->viewport_start_x, | |
620 | psx_gpu->viewport_start_y, psx_gpu->viewport_end_x, | |
621 | psx_gpu->viewport_end_y); | |
622 | #endif | |
623 | break; | |
624 | ||
625 | case 0xE5: | |
626 | { | |
627 | s32 offset_x = list[0] << 21; | |
628 | s32 offset_y = list[0] << 10; | |
629 | psx_gpu->offset_x = offset_x >> 21; | |
630 | psx_gpu->offset_y = offset_y >> 21; | |
631 | ||
632 | break; | |
633 | } | |
634 | ||
635 | case 0xE6: | |
636 | { | |
637 | u32 mask_settings = list[0]; | |
638 | u16 mask_msb = mask_settings << 15; | |
639 | ||
640 | if(list[0] & 0x2) | |
641 | psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE; | |
642 | else | |
643 | psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE; | |
644 | ||
645 | if(mask_msb != psx_gpu->mask_msb) | |
646 | { | |
647 | flush_render_block_buffer(psx_gpu); | |
648 | psx_gpu->mask_msb = mask_msb; | |
649 | } | |
650 | ||
651 | break; | |
652 | } | |
653 | ||
654 | default: | |
655 | break; | |
656 | } | |
657 | } | |
658 | } | |
659 |