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6f2ee2be | 1 | /*************************************************************************** |
2 | * Copyright (C) 2010 PCSX4ALL Team * | |
3 | * Copyright (C) 2010 Unai * | |
4 | * Copyright (C) 2011 notaz * | |
030d1121 | 5 | * Copyright (C) 2016 Senquack (dansilsby <AT> gmail <DOT> com) * |
6f2ee2be | 6 | * * |
7 | * This program is free software; you can redistribute it and/or modify * | |
8 | * it under the terms of the GNU General Public License as published by * | |
9 | * the Free Software Foundation; either version 2 of the License, or * | |
10 | * (at your option) any later version. * | |
11 | * * | |
12 | * This program is distributed in the hope that it will be useful, * | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
15 | * GNU General Public License for more details. * | |
16 | * * | |
17 | * You should have received a copy of the GNU General Public License * | |
18 | * along with this program; if not, write to the * | |
19 | * Free Software Foundation, Inc., * | |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
21 | ***************************************************************************/ | |
22 | ||
030d1121 | 23 | #include <stddef.h> |
6f2ee2be | 24 | #include <stdio.h> |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
62d7fa95 | 27 | #include "../gpulib/gpu.h" |
030d1121 | 28 | //#include "port.h" |
29 | #include "gpu_unai.h" | |
6f2ee2be | 30 | |
030d1121 | 31 | // GPU fixed point math |
32 | #include "gpu_fixedpoint.h" | |
6f2ee2be | 33 | |
030d1121 | 34 | // Inner loop driver instantiation file |
35 | #include "gpu_inner.h" | |
6f2ee2be | 36 | |
37 | // GPU internal image drawing functions | |
030d1121 | 38 | #include "gpu_raster_image.h" |
6f2ee2be | 39 | |
40 | // GPU internal line drawing functions | |
030d1121 | 41 | #include "gpu_raster_line.h" |
6f2ee2be | 42 | |
43 | // GPU internal polygon drawing functions | |
030d1121 | 44 | #include "gpu_raster_polygon.h" |
6f2ee2be | 45 | |
46 | // GPU internal sprite drawing functions | |
030d1121 | 47 | #include "gpu_raster_sprite.h" |
6f2ee2be | 48 | |
49 | // GPU command buffer execution/store | |
030d1121 | 50 | #include "gpu_command.h" |
6f2ee2be | 51 | |
6f2ee2be | 52 | ///////////////////////////////////////////////////////////////////////////// |
53 | ||
43047988 JW |
54 | #define DOWNSCALE_VRAM_SIZE (1024 * 512 * 2 * 2 + 4096) |
55 | ||
56 | INLINE void scale_640_to_320(uint16_t *dest, const uint16_t *src, bool isRGB24) { | |
57 | size_t uCount = 320; | |
58 | ||
59 | if(isRGB24) { | |
60 | const uint8_t* src8 = (const uint8_t *)src; | |
61 | uint8_t* dst8 = (uint8_t *)dest; | |
62 | ||
63 | do { | |
64 | *dst8++ = *src8++; | |
65 | *dst8++ = *src8++; | |
66 | *dst8++ = *src8; | |
67 | src8 += 4; | |
68 | } while(--uCount); | |
69 | } else { | |
70 | const uint16_t* src16 = src; | |
71 | uint16_t* dst16 = dest; | |
72 | ||
73 | do { | |
74 | *dst16++ = *src16; | |
75 | src16 += 2; | |
76 | } while(--uCount); | |
77 | } | |
78 | } | |
79 | ||
80 | INLINE void scale_512_to_320(uint16_t *dest, const uint16_t *src, bool isRGB24) { | |
81 | size_t uCount = 64; | |
82 | ||
83 | if(isRGB24) { | |
84 | const uint8_t* src8 = (const uint8_t *)src; | |
85 | uint8_t* dst8 = (uint8_t *)dest; | |
86 | ||
87 | do { | |
88 | *dst8++ = *src8++; | |
89 | *dst8++ = *src8++; | |
90 | *dst8++ = *src8++; | |
91 | *dst8++ = *src8++; | |
92 | *dst8++ = *src8++; | |
93 | *dst8++ = *src8; | |
94 | src8 += 4; | |
95 | *dst8++ = *src8++; | |
96 | *dst8++ = *src8++; | |
97 | *dst8++ = *src8++; | |
98 | *dst8++ = *src8++; | |
99 | *dst8++ = *src8++; | |
100 | *dst8++ = *src8; | |
101 | src8 += 4; | |
102 | *dst8++ = *src8++; | |
103 | *dst8++ = *src8++; | |
104 | *dst8++ = *src8; | |
105 | src8 += 4; | |
106 | } while(--uCount); | |
107 | } else { | |
108 | const uint16_t* src16 = src; | |
109 | uint16_t* dst16 = dest; | |
110 | ||
111 | do { | |
112 | *dst16++ = *src16++; | |
113 | *dst16++ = *src16; | |
114 | src16 += 2; | |
115 | *dst16++ = *src16++; | |
116 | *dst16++ = *src16; | |
117 | src16 += 2; | |
118 | *dst16++ = *src16; | |
119 | src16 += 2; | |
120 | } while(--uCount); | |
121 | } | |
122 | } | |
123 | ||
124 | static uint16_t *get_downscale_buffer(int *x, int *y, int *w, int *h, int *vram_h) | |
125 | { | |
126 | uint16_t *dest = gpu_unai.downscale_vram; | |
127 | const uint16_t *src = gpu_unai.vram; | |
128 | bool isRGB24 = (gpu_unai.GPU_GP1 & 0x00200000 ? true : false); | |
129 | int stride = 1024, dstride = 1024, lines = *h, orig_w = *w; | |
130 | ||
131 | // PS1 fb read wraps around (fixes black screen in 'Tobal no. 1') | |
132 | unsigned int fb_mask = 1024 * 512 - 1; | |
133 | ||
134 | if (*h > 240) { | |
135 | *h /= 2; | |
136 | stride *= 2; | |
137 | lines = *h; | |
138 | ||
139 | // Ensure start at a non-skipped line | |
140 | while (*y & gpu_unai.ilace_mask) ++*y; | |
141 | } | |
142 | ||
143 | unsigned int fb_offset_src = (*y * dstride + *x) & fb_mask; | |
144 | unsigned int fb_offset_dest = fb_offset_src; | |
145 | ||
146 | if (*w == 512 || *w == 640) { | |
147 | *w = 320; | |
148 | } | |
149 | ||
150 | switch(orig_w) { | |
151 | case 640: | |
152 | do { | |
153 | scale_640_to_320(dest + fb_offset_dest, src + fb_offset_src, isRGB24); | |
154 | fb_offset_src = (fb_offset_src + stride) & fb_mask; | |
155 | fb_offset_dest = (fb_offset_dest + dstride) & fb_mask; | |
156 | } while(--lines); | |
157 | ||
158 | break; | |
159 | case 512: | |
160 | do { | |
161 | scale_512_to_320(dest + fb_offset_dest, src + fb_offset_src, isRGB24); | |
162 | fb_offset_src = (fb_offset_src + stride) & fb_mask; | |
163 | fb_offset_dest = (fb_offset_dest + dstride) & fb_mask; | |
164 | } while(--lines); | |
165 | break; | |
166 | default: | |
167 | size_t size = isRGB24 ? *w * 3 : *w * 2; | |
168 | ||
169 | do { | |
170 | memcpy(dest + fb_offset_dest, src + fb_offset_src, size); | |
171 | fb_offset_src = (fb_offset_src + stride) & fb_mask; | |
172 | fb_offset_dest = (fb_offset_dest + dstride) & fb_mask; | |
173 | } while(--lines); | |
174 | break; | |
175 | } | |
176 | ||
177 | return gpu_unai.downscale_vram; | |
178 | } | |
179 | ||
180 | static void map_downscale_buffer(void) | |
181 | { | |
182 | if (gpu_unai.downscale_vram) | |
183 | return; | |
184 | ||
185 | gpu_unai.downscale_vram = (uint16_t*)gpu.mmap(DOWNSCALE_VRAM_SIZE); | |
186 | ||
187 | if (gpu_unai.downscale_vram == NULL) { | |
188 | fprintf(stderr, "failed to map downscale buffer\n"); | |
189 | gpu.get_downscale_buffer = NULL; | |
190 | } | |
191 | else { | |
192 | gpu.get_downscale_buffer = get_downscale_buffer; | |
193 | } | |
194 | } | |
195 | ||
196 | static void unmap_downscale_buffer(void) | |
197 | { | |
198 | if (gpu_unai.downscale_vram == NULL) | |
199 | return; | |
200 | ||
201 | gpu.munmap(gpu_unai.downscale_vram, DOWNSCALE_VRAM_SIZE); | |
202 | gpu_unai.downscale_vram = NULL; | |
203 | gpu.get_downscale_buffer = NULL; | |
204 | } | |
205 | ||
6f2ee2be | 206 | int renderer_init(void) |
207 | { | |
030d1121 | 208 | memset((void*)&gpu_unai, 0, sizeof(gpu_unai)); |
209 | gpu_unai.vram = (u16*)gpu.vram; | |
210 | ||
211 | // Original standalone gpu_unai initialized TextureWindow[]. I added the | |
212 | // same behavior here, since it seems unsafe to leave [2],[3] unset when | |
213 | // using HLE and Rearmed gpu_neon sets this similarly on init. -senquack | |
214 | gpu_unai.TextureWindow[0] = 0; | |
215 | gpu_unai.TextureWindow[1] = 0; | |
216 | gpu_unai.TextureWindow[2] = 255; | |
217 | gpu_unai.TextureWindow[3] = 255; | |
218 | //senquack - new vars must be updated whenever texture window is changed: | |
219 | // (used for polygon-drawing in gpu_inner.h, gpu_raster_polygon.h) | |
220 | const u32 fb = FIXED_BITS; // # of fractional fixed-pt bits of u4/v4 | |
221 | gpu_unai.u_msk = (((u32)gpu_unai.TextureWindow[2]) << fb) | ((1 << fb) - 1); | |
222 | gpu_unai.v_msk = (((u32)gpu_unai.TextureWindow[3]) << fb) | ((1 << fb) - 1); | |
223 | ||
224 | // Configuration options | |
225 | gpu_unai.config = gpu_unai_config_ext; | |
226 | //senquack - disabled, not sure this is needed and would require modifying | |
227 | // sprite-span functions, perhaps unnecessarily. No Abe Oddysey hack was | |
228 | // present in latest PCSX4ALL sources we were using. | |
229 | //gpu_unai.config.enableAbbeyHack = gpu_unai_config_ext.abe_hack; | |
230 | gpu_unai.ilace_mask = gpu_unai.config.ilace_force; | |
231 | ||
232 | #ifdef GPU_UNAI_USE_INT_DIV_MULTINV | |
233 | // s_invTable | |
234 | for(int i=1;i<=(1<<TABLE_BITS);++i) | |
235 | { | |
236 | double v = 1.0 / double(i); | |
237 | #ifdef GPU_TABLE_10_BITS | |
238 | v *= double(0xffffffff>>1); | |
239 | #else | |
240 | v *= double(0x80000000); | |
241 | #endif | |
242 | s_invTable[i-1]=s32(v); | |
243 | } | |
244 | #endif | |
245 | ||
246 | SetupLightLUT(); | |
247 | SetupDitheringConstants(); | |
248 | ||
43047988 JW |
249 | if (gpu_unai.config.scale_hires) { |
250 | map_downscale_buffer(); | |
251 | } | |
252 | ||
030d1121 | 253 | return 0; |
6f2ee2be | 254 | } |
255 | ||
e929dec5 | 256 | void renderer_finish(void) |
257 | { | |
43047988 | 258 | unmap_downscale_buffer(); |
e929dec5 | 259 | } |
260 | ||
261 | void renderer_notify_res_change(void) | |
262 | { | |
030d1121 | 263 | if (PixelSkipEnabled()) { |
264 | // Set blit_mask for high horizontal resolutions. This allows skipping | |
265 | // rendering pixels that would never get displayed on low-resolution | |
266 | // platforms that use simple pixel-dropping scaler. | |
267 | ||
268 | switch (gpu.screen.hres) | |
269 | { | |
270 | case 512: gpu_unai.blit_mask = 0xa4; break; // GPU_BlitWWSWWSWS | |
271 | case 640: gpu_unai.blit_mask = 0xaa; break; // GPU_BlitWS | |
272 | default: gpu_unai.blit_mask = 0; break; | |
273 | } | |
274 | } else { | |
275 | gpu_unai.blit_mask = 0; | |
276 | } | |
277 | ||
278 | if (LineSkipEnabled()) { | |
279 | // Set rendering line-skip (only render every other line in high-res | |
280 | // 480 vertical mode, or, optionally, force it for all video modes) | |
281 | ||
282 | if (gpu.screen.vres == 480) { | |
283 | if (gpu_unai.config.ilace_force) { | |
284 | gpu_unai.ilace_mask = 3; // Only need 1/4 of lines | |
285 | } else { | |
286 | gpu_unai.ilace_mask = 1; // Only need 1/2 of lines | |
287 | } | |
288 | } else { | |
289 | // Vert resolution changed from 480 to lower one | |
290 | gpu_unai.ilace_mask = gpu_unai.config.ilace_force; | |
291 | } | |
292 | } else { | |
293 | gpu_unai.ilace_mask = 0; | |
294 | } | |
295 | ||
296 | /* | |
297 | printf("res change hres: %d vres: %d depth: %d ilace_mask: %d\n", | |
298 | gpu.screen.hres, gpu.screen.vres, gpu.status.rgb24 ? 24 : 15, | |
299 | gpu_unai.ilace_mask); | |
300 | */ | |
301 | } | |
302 | ||
12367ad0 | 303 | #ifdef USE_GPULIB |
030d1121 | 304 | // Handles GP0 draw settings commands 0xE1...0xE6 |
305 | static void gpuGP0Cmd_0xEx(gpu_unai_t &gpu_unai, u32 cmd_word) | |
306 | { | |
307 | // Assume incoming GP0 command is 0xE1..0xE6, convert to 1..6 | |
308 | u8 num = (cmd_word >> 24) & 7; | |
309 | gpu.ex_regs[num] = cmd_word; // Update gpulib register | |
310 | switch (num) { | |
311 | case 1: { | |
312 | // GP0(E1h) - Draw Mode setting (aka "Texpage") | |
313 | u32 cur_texpage = gpu_unai.GPU_GP1 & 0x7FF; | |
314 | u32 new_texpage = cmd_word & 0x7FF; | |
315 | if (cur_texpage != new_texpage) { | |
316 | gpu_unai.GPU_GP1 = (gpu_unai.GPU_GP1 & ~0x7FF) | new_texpage; | |
317 | gpuSetTexture(gpu_unai.GPU_GP1); | |
318 | } | |
319 | } break; | |
320 | ||
321 | case 2: { | |
322 | // GP0(E2h) - Texture Window setting | |
323 | if (cmd_word != gpu_unai.TextureWindowCur) { | |
324 | static const u8 TextureMask[32] = { | |
325 | 255, 7, 15, 7, 31, 7, 15, 7, 63, 7, 15, 7, 31, 7, 15, 7, | |
326 | 127, 7, 15, 7, 31, 7, 15, 7, 63, 7, 15, 7, 31, 7, 15, 7 | |
327 | }; | |
328 | gpu_unai.TextureWindowCur = cmd_word; | |
329 | gpu_unai.TextureWindow[0] = ((cmd_word >> 10) & 0x1F) << 3; | |
330 | gpu_unai.TextureWindow[1] = ((cmd_word >> 15) & 0x1F) << 3; | |
331 | gpu_unai.TextureWindow[2] = TextureMask[(cmd_word >> 0) & 0x1F]; | |
332 | gpu_unai.TextureWindow[3] = TextureMask[(cmd_word >> 5) & 0x1F]; | |
333 | gpu_unai.TextureWindow[0] &= ~gpu_unai.TextureWindow[2]; | |
334 | gpu_unai.TextureWindow[1] &= ~gpu_unai.TextureWindow[3]; | |
335 | ||
336 | // Inner loop vars must be updated whenever texture window is changed: | |
337 | const u32 fb = FIXED_BITS; // # of fractional fixed-pt bits of u4/v4 | |
338 | gpu_unai.u_msk = (((u32)gpu_unai.TextureWindow[2]) << fb) | ((1 << fb) - 1); | |
339 | gpu_unai.v_msk = (((u32)gpu_unai.TextureWindow[3]) << fb) | ((1 << fb) - 1); | |
340 | ||
341 | gpuSetTexture(gpu_unai.GPU_GP1); | |
342 | } | |
343 | } break; | |
344 | ||
345 | case 3: { | |
346 | // GP0(E3h) - Set Drawing Area top left (X1,Y1) | |
347 | gpu_unai.DrawingArea[0] = cmd_word & 0x3FF; | |
348 | gpu_unai.DrawingArea[1] = (cmd_word >> 10) & 0x3FF; | |
349 | } break; | |
350 | ||
351 | case 4: { | |
352 | // GP0(E4h) - Set Drawing Area bottom right (X2,Y2) | |
353 | gpu_unai.DrawingArea[2] = (cmd_word & 0x3FF) + 1; | |
354 | gpu_unai.DrawingArea[3] = ((cmd_word >> 10) & 0x3FF) + 1; | |
355 | } break; | |
356 | ||
357 | case 5: { | |
358 | // GP0(E5h) - Set Drawing Offset (X,Y) | |
359 | gpu_unai.DrawingOffset[0] = ((s32)cmd_word<<(32-11))>>(32-11); | |
360 | gpu_unai.DrawingOffset[1] = ((s32)cmd_word<<(32-22))>>(32-11); | |
361 | } break; | |
362 | ||
363 | case 6: { | |
364 | // GP0(E6h) - Mask Bit Setting | |
365 | gpu_unai.Masking = (cmd_word & 0x2) << 1; | |
366 | gpu_unai.PixelMSB = (cmd_word & 0x1) << 8; | |
367 | } break; | |
368 | } | |
e929dec5 | 369 | } |
12367ad0 | 370 | #endif |
e929dec5 | 371 | |
6f2ee2be | 372 | extern const unsigned char cmd_lengths[256]; |
373 | ||
5f315a8f | 374 | int do_cmd_list(u32 *list, int list_len, int *last_cmd) |
6f2ee2be | 375 | { |
5f315a8f | 376 | u32 cmd = 0, len, i; |
377 | u32 *list_start = list; | |
378 | u32 *list_end = list + list_len; | |
6f2ee2be | 379 | |
030d1121 | 380 | //TODO: set ilace_mask when resolution changes instead of every time, |
381 | // eliminate #ifdef below. | |
382 | gpu_unai.ilace_mask = gpu_unai.config.ilace_force; | |
383 | ||
8f2bb0cb | 384 | #ifdef HAVE_PRE_ARMV7 /* XXX */ |
030d1121 | 385 | gpu_unai.ilace_mask |= gpu.status.interlace; |
89c0de42 | 386 | #endif |
43047988 JW |
387 | if (gpu_unai.config.scale_hires) { |
388 | gpu_unai.ilace_mask |= gpu.status.interlace; | |
389 | } | |
89c0de42 | 390 | |
6f2ee2be | 391 | for (; list < list_end; list += 1 + len) |
392 | { | |
6f2ee2be | 393 | cmd = *list >> 24; |
394 | len = cmd_lengths[cmd]; | |
b243416b | 395 | if (list + 1 + len > list_end) { |
396 | cmd = -1; | |
397 | break; | |
398 | } | |
399 | ||
42a261f1 | 400 | #define PRIM cmd |
030d1121 | 401 | gpu_unai.PacketBuffer.U4[0] = list[0]; |
42a261f1 | 402 | for (i = 1; i <= len; i++) |
030d1121 | 403 | gpu_unai.PacketBuffer.U4[i] = list[i]; |
404 | ||
405 | PtrUnion packet = { .ptr = (void*)&gpu_unai.PacketBuffer }; | |
6f2ee2be | 406 | |
42a261f1 | 407 | switch (cmd) |
6f2ee2be | 408 | { |
42a261f1 | 409 | case 0x02: |
030d1121 | 410 | gpuClearImage(packet); |
42a261f1 | 411 | break; |
412 | ||
413 | case 0x20: | |
414 | case 0x21: | |
415 | case 0x22: | |
030d1121 | 416 | case 0x23: { // Monochrome 3-pt poly |
417 | PP driver = gpuPolySpanDrivers[ | |
418 | (gpu_unai.blit_mask?1024:0) | | |
419 | Blending_Mode | | |
420 | gpu_unai.Masking | Blending | gpu_unai.PixelMSB | |
421 | ]; | |
422 | gpuDrawPolyF(packet, driver, false); | |
423 | } break; | |
42a261f1 | 424 | |
425 | case 0x24: | |
426 | case 0x25: | |
427 | case 0x26: | |
030d1121 | 428 | case 0x27: { // Textured 3-pt poly |
429 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
430 | gpuSetTexture(gpu_unai.PacketBuffer.U4[4] >> 16); | |
431 | ||
432 | u32 driver_idx = | |
433 | (gpu_unai.blit_mask?1024:0) | | |
434 | Dithering | | |
435 | Blending_Mode | gpu_unai.TEXT_MODE | | |
436 | gpu_unai.Masking | Blending | gpu_unai.PixelMSB; | |
437 | ||
438 | if (!FastLightingEnabled()) { | |
439 | driver_idx |= Lighting; | |
440 | } else { | |
441 | if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))) | |
442 | driver_idx |= Lighting; | |
443 | } | |
444 | ||
445 | PP driver = gpuPolySpanDrivers[driver_idx]; | |
446 | gpuDrawPolyFT(packet, driver, false); | |
447 | } break; | |
42a261f1 | 448 | |
449 | case 0x28: | |
450 | case 0x29: | |
451 | case 0x2A: | |
030d1121 | 452 | case 0x2B: { // Monochrome 4-pt poly |
453 | PP driver = gpuPolySpanDrivers[ | |
454 | (gpu_unai.blit_mask?1024:0) | | |
455 | Blending_Mode | | |
456 | gpu_unai.Masking | Blending | gpu_unai.PixelMSB | |
457 | ]; | |
458 | gpuDrawPolyF(packet, driver, true); // is_quad = true | |
459 | } break; | |
42a261f1 | 460 | |
461 | case 0x2C: | |
462 | case 0x2D: | |
463 | case 0x2E: | |
030d1121 | 464 | case 0x2F: { // Textured 4-pt poly |
465 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
466 | gpuSetTexture(gpu_unai.PacketBuffer.U4[4] >> 16); | |
467 | ||
468 | u32 driver_idx = | |
469 | (gpu_unai.blit_mask?1024:0) | | |
470 | Dithering | | |
471 | Blending_Mode | gpu_unai.TEXT_MODE | | |
472 | gpu_unai.Masking | Blending | gpu_unai.PixelMSB; | |
473 | ||
474 | if (!FastLightingEnabled()) { | |
475 | driver_idx |= Lighting; | |
476 | } else { | |
477 | if (!((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F))) | |
478 | driver_idx |= Lighting; | |
479 | } | |
480 | ||
481 | PP driver = gpuPolySpanDrivers[driver_idx]; | |
482 | gpuDrawPolyFT(packet, driver, true); // is_quad = true | |
483 | } break; | |
42a261f1 | 484 | |
485 | case 0x30: | |
486 | case 0x31: | |
487 | case 0x32: | |
030d1121 | 488 | case 0x33: { // Gouraud-shaded 3-pt poly |
489 | //NOTE: The '129' here is CF_GOURAUD | CF_LIGHT, however | |
490 | // this is an untextured poly, so CF_LIGHT (texture blend) | |
491 | // shouldn't apply. Until the original array of template | |
492 | // instantiation ptrs is fixed, we're stuck with this. (TODO) | |
493 | PP driver = gpuPolySpanDrivers[ | |
494 | (gpu_unai.blit_mask?1024:0) | | |
495 | Dithering | | |
496 | Blending_Mode | | |
497 | gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB | |
498 | ]; | |
499 | gpuDrawPolyG(packet, driver, false); | |
500 | } break; | |
42a261f1 | 501 | |
502 | case 0x34: | |
503 | case 0x35: | |
504 | case 0x36: | |
030d1121 | 505 | case 0x37: { // Gouraud-shaded, textured 3-pt poly |
506 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
507 | gpuSetTexture (gpu_unai.PacketBuffer.U4[5] >> 16); | |
508 | PP driver = gpuPolySpanDrivers[ | |
509 | (gpu_unai.blit_mask?1024:0) | | |
510 | Dithering | | |
511 | Blending_Mode | gpu_unai.TEXT_MODE | | |
512 | gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB | |
513 | ]; | |
514 | gpuDrawPolyGT(packet, driver, false); | |
515 | } break; | |
42a261f1 | 516 | |
517 | case 0x38: | |
518 | case 0x39: | |
519 | case 0x3A: | |
030d1121 | 520 | case 0x3B: { // Gouraud-shaded 4-pt poly |
521 | // See notes regarding '129' for 0x30..0x33 further above -senquack | |
522 | PP driver = gpuPolySpanDrivers[ | |
523 | (gpu_unai.blit_mask?1024:0) | | |
524 | Dithering | | |
525 | Blending_Mode | | |
526 | gpu_unai.Masking | Blending | 129 | gpu_unai.PixelMSB | |
527 | ]; | |
528 | gpuDrawPolyG(packet, driver, true); // is_quad = true | |
529 | } break; | |
42a261f1 | 530 | |
531 | case 0x3C: | |
532 | case 0x3D: | |
533 | case 0x3E: | |
030d1121 | 534 | case 0x3F: { // Gouraud-shaded, textured 4-pt poly |
535 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
536 | gpuSetTexture (gpu_unai.PacketBuffer.U4[5] >> 16); | |
537 | PP driver = gpuPolySpanDrivers[ | |
538 | (gpu_unai.blit_mask?1024:0) | | |
539 | Dithering | | |
540 | Blending_Mode | gpu_unai.TEXT_MODE | | |
541 | gpu_unai.Masking | Blending | ((Lighting)?129:0) | gpu_unai.PixelMSB | |
542 | ]; | |
543 | gpuDrawPolyGT(packet, driver, true); // is_quad = true | |
544 | } break; | |
42a261f1 | 545 | |
546 | case 0x40: | |
547 | case 0x41: | |
548 | case 0x42: | |
030d1121 | 549 | case 0x43: { // Monochrome line |
550 | // Shift index right by one, as untextured prims don't use lighting | |
551 | u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1; | |
552 | PSD driver = gpuPixelSpanDrivers[driver_idx]; | |
553 | gpuDrawLineF(packet, driver); | |
554 | } break; | |
555 | ||
556 | case 0x48 ... 0x4F: { // Monochrome line strip | |
6f2ee2be | 557 | u32 num_vertexes = 1; |
5f315a8f | 558 | u32 *list_position = &(list[2]); |
8aea5f5a | 559 | |
030d1121 | 560 | // Shift index right by one, as untextured prims don't use lighting |
561 | u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1; | |
562 | PSD driver = gpuPixelSpanDrivers[driver_idx]; | |
563 | gpuDrawLineF(packet, driver); | |
6f2ee2be | 564 | |
565 | while(1) | |
566 | { | |
030d1121 | 567 | gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[2]; |
568 | gpu_unai.PacketBuffer.U4[2] = *list_position++; | |
569 | gpuDrawLineF(packet, driver); | |
8aea5f5a | 570 | |
6f2ee2be | 571 | num_vertexes++; |
5f315a8f | 572 | if(list_position >= list_end) { |
804789d7 | 573 | cmd = -1; |
574 | goto breakloop; | |
575 | } | |
576 | if((*list_position & 0xf000f000) == 0x50005000) | |
b243416b | 577 | break; |
6f2ee2be | 578 | } |
579 | ||
b243416b | 580 | len += (num_vertexes - 2); |
030d1121 | 581 | } break; |
6f2ee2be | 582 | |
42a261f1 | 583 | case 0x50: |
584 | case 0x51: | |
585 | case 0x52: | |
030d1121 | 586 | case 0x53: { // Gouraud-shaded line |
587 | // Shift index right by one, as untextured prims don't use lighting | |
588 | u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1; | |
589 | // Index MSB selects Gouraud-shaded PixelSpanDriver: | |
590 | driver_idx |= (1 << 5); | |
591 | PSD driver = gpuPixelSpanDrivers[driver_idx]; | |
592 | gpuDrawLineG(packet, driver); | |
593 | } break; | |
594 | ||
595 | case 0x58 ... 0x5F: { // Gouraud-shaded line strip | |
6f2ee2be | 596 | u32 num_vertexes = 1; |
5f315a8f | 597 | u32 *list_position = &(list[2]); |
8aea5f5a | 598 | |
030d1121 | 599 | // Shift index right by one, as untextured prims don't use lighting |
600 | u32 driver_idx = (Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1; | |
601 | // Index MSB selects Gouraud-shaded PixelSpanDriver: | |
602 | driver_idx |= (1 << 5); | |
603 | PSD driver = gpuPixelSpanDrivers[driver_idx]; | |
604 | gpuDrawLineG(packet, driver); | |
6f2ee2be | 605 | |
606 | while(1) | |
607 | { | |
030d1121 | 608 | gpu_unai.PacketBuffer.U4[0] = gpu_unai.PacketBuffer.U4[2]; |
609 | gpu_unai.PacketBuffer.U4[1] = gpu_unai.PacketBuffer.U4[3]; | |
610 | gpu_unai.PacketBuffer.U4[2] = *list_position++; | |
611 | gpu_unai.PacketBuffer.U4[3] = *list_position++; | |
612 | gpuDrawLineG(packet, driver); | |
8aea5f5a | 613 | |
6f2ee2be | 614 | num_vertexes++; |
5f315a8f | 615 | if(list_position >= list_end) { |
804789d7 | 616 | cmd = -1; |
617 | goto breakloop; | |
618 | } | |
619 | if((*list_position & 0xf000f000) == 0x50005000) | |
b243416b | 620 | break; |
6f2ee2be | 621 | } |
622 | ||
b243416b | 623 | len += (num_vertexes - 2) * 2; |
030d1121 | 624 | } break; |
6f2ee2be | 625 | |
42a261f1 | 626 | case 0x60: |
627 | case 0x61: | |
628 | case 0x62: | |
030d1121 | 629 | case 0x63: { // Monochrome rectangle (variable size) |
630 | PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1]; | |
631 | gpuDrawT(packet, driver); | |
632 | } break; | |
42a261f1 | 633 | |
634 | case 0x64: | |
635 | case 0x65: | |
636 | case 0x66: | |
030d1121 | 637 | case 0x67: { // Textured rectangle (variable size) |
638 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
639 | u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1); | |
640 | ||
641 | //senquack - Only color 808080h-878787h allows skipping lighting calculation: | |
642 | // This fixes Silent Hill running animation on loading screens: | |
643 | // (On PSX, color values 0x00-0x7F darken the source texture's color, | |
644 | // 0x81-FF lighten textures (ultimately clamped to 0x1F), | |
645 | // 0x80 leaves source texture color unchanged, HOWEVER, | |
646 | // gpu_unai uses a simple lighting LUT whereby only the upper | |
647 | // 5 bits of an 8-bit color are used, so 0x80-0x87 all behave as | |
648 | // 0x80. | |
649 | // | |
650 | // NOTE: I've changed all textured sprite draw commands here and | |
651 | // elsewhere to use proper behavior, but left poly commands | |
652 | // alone, I don't want to slow rendering down too much. (TODO) | |
653 | //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)) | |
654 | // Strip lower 3 bits of each color and determine if lighting should be used: | |
655 | if ((gpu_unai.PacketBuffer.U4[0] & 0xF8F8F8) != 0x808080) | |
656 | driver_idx |= Lighting; | |
657 | PS driver = gpuSpriteSpanDrivers[driver_idx]; | |
658 | gpuDrawS(packet, driver); | |
659 | } break; | |
42a261f1 | 660 | |
661 | case 0x68: | |
662 | case 0x69: | |
663 | case 0x6A: | |
030d1121 | 664 | case 0x6B: { // Monochrome rectangle (1x1 dot) |
665 | gpu_unai.PacketBuffer.U4[2] = 0x00010001; | |
666 | PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1]; | |
667 | gpuDrawT(packet, driver); | |
668 | } break; | |
42a261f1 | 669 | |
670 | case 0x70: | |
671 | case 0x71: | |
672 | case 0x72: | |
030d1121 | 673 | case 0x73: { // Monochrome rectangle (8x8) |
674 | gpu_unai.PacketBuffer.U4[2] = 0x00080008; | |
675 | PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1]; | |
676 | gpuDrawT(packet, driver); | |
677 | } break; | |
42a261f1 | 678 | |
679 | case 0x74: | |
680 | case 0x75: | |
681 | case 0x76: | |
030d1121 | 682 | case 0x77: { // Textured rectangle (8x8) |
683 | gpu_unai.PacketBuffer.U4[3] = 0x00080008; | |
684 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
685 | u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1); | |
686 | ||
687 | //senquack - Only color 808080h-878787h allows skipping lighting calculation: | |
688 | //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)) | |
689 | // Strip lower 3 bits of each color and determine if lighting should be used: | |
690 | if ((gpu_unai.PacketBuffer.U4[0] & 0xF8F8F8) != 0x808080) | |
691 | driver_idx |= Lighting; | |
692 | PS driver = gpuSpriteSpanDrivers[driver_idx]; | |
693 | gpuDrawS(packet, driver); | |
694 | } break; | |
42a261f1 | 695 | |
696 | case 0x78: | |
697 | case 0x79: | |
698 | case 0x7A: | |
030d1121 | 699 | case 0x7B: { // Monochrome rectangle (16x16) |
700 | gpu_unai.PacketBuffer.U4[2] = 0x00100010; | |
701 | PT driver = gpuTileSpanDrivers[(Blending_Mode | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>3)) >> 1]; | |
702 | gpuDrawT(packet, driver); | |
703 | } break; | |
42a261f1 | 704 | |
705 | case 0x7C: | |
706 | case 0x7D: | |
707 | #ifdef __arm__ | |
030d1121 | 708 | if ((gpu_unai.GPU_GP1 & 0x180) == 0 && (gpu_unai.Masking | gpu_unai.PixelMSB) == 0) |
42a261f1 | 709 | { |
030d1121 | 710 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); |
711 | gpuDrawS16(packet); | |
42a261f1 | 712 | break; |
713 | } | |
714 | // fallthrough | |
715 | #endif | |
716 | case 0x7E: | |
030d1121 | 717 | case 0x7F: { // Textured rectangle (16x16) |
718 | gpu_unai.PacketBuffer.U4[3] = 0x00100010; | |
719 | gpuSetCLUT (gpu_unai.PacketBuffer.U4[2] >> 16); | |
720 | u32 driver_idx = Blending_Mode | gpu_unai.TEXT_MODE | gpu_unai.Masking | Blending | (gpu_unai.PixelMSB>>1); | |
721 | //senquack - Only color 808080h-878787h allows skipping lighting calculation: | |
722 | //if ((gpu_unai.PacketBuffer.U1[0]>0x5F) && (gpu_unai.PacketBuffer.U1[1]>0x5F) && (gpu_unai.PacketBuffer.U1[2]>0x5F)) | |
723 | // Strip lower 3 bits of each color and determine if lighting should be used: | |
724 | if ((gpu_unai.PacketBuffer.U4[0] & 0xF8F8F8) != 0x808080) | |
725 | driver_idx |= Lighting; | |
726 | PS driver = gpuSpriteSpanDrivers[driver_idx]; | |
727 | gpuDrawS(packet, driver); | |
728 | } break; | |
42a261f1 | 729 | |
730 | case 0x80: // vid -> vid | |
030d1121 | 731 | gpuMoveImage(packet); |
42a261f1 | 732 | break; |
030d1121 | 733 | |
9a6e7816 | 734 | #ifdef TEST |
735 | case 0xA0: // sys -> vid | |
736 | { | |
737 | u32 load_width = list[2] & 0xffff; | |
738 | u32 load_height = list[2] >> 16; | |
739 | u32 load_size = load_width * load_height; | |
740 | ||
741 | len += load_size / 2; | |
030d1121 | 742 | } break; |
743 | ||
42a261f1 | 744 | case 0xC0: |
745 | break; | |
746 | #else | |
747 | case 0xA0: // sys ->vid | |
748 | case 0xC0: // vid -> sys | |
030d1121 | 749 | // Handled by gpulib |
42a261f1 | 750 | goto breakloop; |
9a6e7816 | 751 | #endif |
030d1121 | 752 | case 0xE1 ... 0xE6: { // Draw settings |
753 | gpuGP0Cmd_0xEx(gpu_unai, gpu_unai.PacketBuffer.U4[0]); | |
754 | } break; | |
6f2ee2be | 755 | } |
756 | } | |
b243416b | 757 | |
42a261f1 | 758 | breakloop: |
b243416b | 759 | gpu.ex_regs[1] &= ~0x1ff; |
030d1121 | 760 | gpu.ex_regs[1] |= gpu_unai.GPU_GP1 & 0x1ff; |
b243416b | 761 | |
762 | *last_cmd = cmd; | |
763 | return list - list_start; | |
6f2ee2be | 764 | } |
765 | ||
766 | void renderer_sync_ecmds(uint32_t *ecmds) | |
767 | { | |
42a261f1 | 768 | int dummy; |
769 | do_cmd_list(&ecmds[1], 6, &dummy); | |
6f2ee2be | 770 | } |
771 | ||
05740673 | 772 | void renderer_update_caches(int x, int y, int w, int h) |
6f2ee2be | 773 | { |
774 | } | |
775 | ||
776 | void renderer_flush_queues(void) | |
777 | { | |
778 | } | |
914455e6 | 779 | |
5440b88e | 780 | void renderer_set_interlace(int enable, int is_odd) |
781 | { | |
782 | } | |
783 | ||
914455e6 | 784 | #include "../../frontend/plugin_lib.h" |
030d1121 | 785 | // Handle any gpulib settings applicable to gpu_unai: |
914455e6 | 786 | void renderer_set_config(const struct rearmed_cbs *cbs) |
787 | { | |
030d1121 | 788 | gpu_unai.vram = (u16*)gpu.vram; |
789 | gpu_unai.config.ilace_force = cbs->gpu_unai.ilace_force; | |
790 | gpu_unai.config.pixel_skip = cbs->gpu_unai.pixel_skip; | |
791 | gpu_unai.config.lighting = cbs->gpu_unai.lighting; | |
792 | gpu_unai.config.fast_lighting = cbs->gpu_unai.fast_lighting; | |
793 | gpu_unai.config.blending = cbs->gpu_unai.blending; | |
794 | gpu_unai.config.dithering = cbs->gpu_unai.dithering; | |
43047988 JW |
795 | gpu_unai.config.scale_hires = cbs->gpu_unai.scale_hires; |
796 | ||
797 | gpu.state.downscale_enable = gpu_unai.config.scale_hires; | |
798 | if (gpu_unai.config.scale_hires) { | |
799 | map_downscale_buffer(); | |
800 | } else { | |
801 | unmap_downscale_buffer(); | |
802 | } | |
914455e6 | 803 | } |
9a6e7816 | 804 | |
42a261f1 | 805 | // vim:shiftwidth=2:expandtab |