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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 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | ||
19 | #include "common.h" | |
20 | ||
21 | u32 span_pixels = 0; | |
22 | u32 span_pixel_blocks = 0; | |
23 | u32 span_pixel_blocks_unaligned = 0; | |
24 | u32 spans = 0; | |
25 | u32 triangles = 0; | |
26 | u32 sprites = 0; | |
27 | u32 sprites_4bpp = 0; | |
28 | u32 sprites_8bpp = 0; | |
29 | u32 sprites_16bpp = 0; | |
30 | u32 sprite_blocks = 0; | |
31 | u32 sprites_untextured = 0; | |
32 | u32 lines = 0; | |
33 | u32 trivial_rejects = 0; | |
34 | u32 texels_4bpp = 0; | |
35 | u32 texels_8bpp = 0; | |
36 | u32 texels_16bpp = 0; | |
37 | u32 texel_blocks_4bpp = 0; | |
38 | u32 texel_blocks_8bpp = 0; | |
39 | u32 texel_blocks_16bpp = 0; | |
40 | u32 texel_blocks_untextured = 0; | |
41 | u32 blend_blocks = 0; | |
42 | u32 untextured_pixels = 0; | |
43 | u32 blend_pixels = 0; | |
44 | u32 transparent_pixels = 0; | |
45 | u32 render_buffer_flushes = 0; | |
46 | u32 state_changes = 0; | |
47 | u32 left_split_triangles = 0; | |
48 | u32 flat_triangles = 0; | |
49 | u32 clipped_triangles = 0; | |
50 | u32 zero_block_spans = 0; | |
51 | u32 texture_cache_loads = 0; | |
52 | u32 false_modulated_triangles = 0; | |
53 | u32 false_modulated_sprites = 0; | |
54 | ||
55 | u32 reciprocal_table[512]; | |
56 | ||
57 | ||
58 | typedef s32 fixed_type; | |
59 | ||
60 | #define EDGE_STEP_BITS 32 | |
61 | #define FIXED_BITS 12 | |
62 | ||
63 | #define fixed_center(value) \ | |
64 | ((((fixed_type)(value)) << FIXED_BITS) + (1 << (FIXED_BITS - 1))) \ | |
65 | ||
66 | #define int_to_fixed(value) \ | |
67 | (((fixed_type)(value)) << FIXED_BITS) \ | |
68 | ||
69 | #define fixed_to_int(value) \ | |
70 | ((value) >> FIXED_BITS) \ | |
71 | ||
72 | #define fixed_to_double(value) \ | |
73 | ((value) / (double)(1 << FIXED_BITS)) \ | |
74 | ||
75 | #define double_to_fixed(value) \ | |
76 | (fixed_type)(((value) * (double)(1 << FIXED_BITS))) \ | |
77 | ||
78 | typedef void (setup_blocks_function_type)(psx_gpu_struct *psx_gpu); | |
79 | typedef void (texture_blocks_function_type)(psx_gpu_struct *psx_gpu); | |
80 | typedef void (shade_blocks_function_type)(psx_gpu_struct *psx_gpu); | |
81 | typedef void (blend_blocks_function_type)(psx_gpu_struct *psx_gpu); | |
82 | ||
83 | typedef void (setup_sprite_function_type)(psx_gpu_struct *psx_gpu, s32 x, | |
84 | s32 y, s32 u, s32 v, s32 width, s32 height, u32 color); | |
85 | ||
86 | struct render_block_handler_struct | |
87 | { | |
88 | void *setup_blocks; | |
89 | texture_blocks_function_type *texture_blocks; | |
90 | shade_blocks_function_type *shade_blocks; | |
91 | blend_blocks_function_type *blend_blocks; | |
92 | }; | |
93 | ||
94 | #ifndef PANDORA_BUILD | |
95 | ||
96 | u32 fixed_reciprocal(u32 denominator, u32 *_shift) | |
97 | { | |
98 | u32 shift = __builtin_clz(denominator); | |
99 | u32 denominator_normalized = denominator << shift; | |
100 | ||
101 | double numerator = (1ULL << 62) + denominator_normalized; | |
102 | double numerator_b; | |
103 | ||
104 | double denominator_normalized_dp_b; | |
105 | u64 denominator_normalized_dp_u64; | |
106 | ||
107 | u32 reciprocal; | |
108 | double reciprocal_dp; | |
109 | ||
110 | u64 numerator_u64 = (denominator_normalized >> 10) | | |
111 | ((u64)(62 + 1023) << 52); | |
112 | *((u64 *)(&numerator_b)) = numerator_u64; | |
113 | ||
114 | denominator_normalized_dp_u64 = | |
115 | (u64)(denominator_normalized << 21) | | |
116 | ((u64)((denominator_normalized >> 11) + ((1022 + 31) << 20)) << 32); | |
117 | *((u64 *)(&denominator_normalized_dp_b)) = denominator_normalized_dp_u64; | |
118 | ||
119 | // Implement with a DP divide | |
120 | reciprocal_dp = numerator / denominator_normalized_dp_b; | |
121 | reciprocal = reciprocal_dp; | |
122 | ||
123 | if(reciprocal == 0x80000001) | |
124 | reciprocal = 0x80000000; | |
125 | ||
126 | *_shift = 62 - shift; | |
127 | return reciprocal; | |
128 | } | |
129 | ||
130 | double reciprocal_estimate(double a) | |
131 | { | |
132 | int q, s; | |
133 | double r; | |
134 | ||
135 | q = (int)(a * 512.0); | |
136 | /* a in units of 1/512 rounded down */ | |
137 | r = 1.0 / (((double)q + 0.5) / 512.0); /* reciprocal r */ | |
138 | s = (int)(256.0 * r + 0.5); | |
139 | ||
140 | /* r in units of 1/256 rounded to nearest */ | |
141 | ||
142 | return (double)s / 256.0; | |
143 | } | |
144 | ||
145 | u32 reciprocal_estimate_u32(u32 value) | |
146 | { | |
147 | u64 dp_value_u64; | |
148 | volatile double dp_value; | |
149 | volatile u64 *dp_value_ptr = (volatile u64 *)&dp_value; | |
150 | ||
151 | if((value >> 31) == 0) | |
152 | return 0xFFFFFFFF; | |
153 | ||
154 | dp_value_u64 = (0x3FEULL << (31 + 21)) | ((u64)(value & 0x7FFFFFFF) << 21); | |
155 | ||
156 | *dp_value_ptr = dp_value_u64; | |
157 | ||
158 | dp_value = reciprocal_estimate(dp_value); | |
159 | dp_value_u64 = *dp_value_ptr; | |
160 | ||
161 | return (0x80000000 | ((dp_value_u64 >> 21) & 0x7FFFFFFF)); | |
162 | } | |
163 | ||
164 | u32 fixed_reciprocal_nr(u32 value, u32 *_shift) | |
165 | { | |
166 | u32 shift = __builtin_clz(value); | |
167 | u32 value_normalized = value << shift; | |
168 | ||
169 | *_shift = 62 - shift; | |
170 | ||
171 | value_normalized -= 2; | |
172 | ||
173 | u32 reciprocal_normalized = reciprocal_estimate_u32(value_normalized) >> 1; | |
174 | ||
175 | u32 temp = -(((u64)value_normalized * (u32)reciprocal_normalized) >> 31); | |
176 | reciprocal_normalized = (((u64)reciprocal_normalized * temp) >> 31); | |
177 | temp = -(((u64)value_normalized * (u32)reciprocal_normalized) >> 31); | |
178 | reciprocal_normalized = (((u64)reciprocal_normalized * temp) >> 31); | |
179 | temp = -(((u64)value_normalized * (u32)reciprocal_normalized) >> 31); | |
180 | reciprocal_normalized = (((u64)reciprocal_normalized * temp) >> 31); | |
181 | ||
182 | return reciprocal_normalized; | |
183 | } | |
184 | ||
185 | #endif | |
186 | ||
187 | ||
188 | s32 triangle_signed_area_x2(s32 x0, s32 y0, s32 x1, s32 y1, s32 x2, s32 y2) | |
189 | { | |
190 | return ((x1 - x0) * (y2 - y1)) - ((x2 - x1) * (y1 - y0)); | |
191 | } | |
192 | ||
193 | u32 texture_region_mask(s32 x1, s32 y1, s32 x2, s32 y2) | |
194 | { | |
195 | s32 coverage_x, coverage_y; | |
196 | ||
197 | u32 mask_up_left; | |
198 | u32 mask_down_right; | |
199 | ||
200 | coverage_x = x2 >> 6; | |
201 | coverage_y = y2 >> 8; | |
202 | ||
203 | if(coverage_x < 0) | |
204 | coverage_x = 0; | |
205 | ||
206 | if(coverage_x > 31) | |
207 | coverage_x = 31; | |
208 | ||
209 | mask_down_right = ~(0xFFFFFFFF << (coverage_x + 1)) & 0xFFFF; | |
210 | ||
211 | if(coverage_y >= 1) | |
212 | mask_down_right |= mask_down_right << 16; | |
213 | ||
214 | coverage_x = x1 >> 6; | |
215 | ||
216 | mask_up_left = 0xFFFF0000 << coverage_x; | |
217 | if(coverage_x < 0) | |
218 | mask_up_left = 0xFFFF0000; | |
219 | ||
220 | coverage_y = y1 >> 8; | |
221 | if(coverage_y <= 0) | |
222 | mask_up_left |= mask_up_left >> 16; | |
223 | ||
224 | return mask_up_left & mask_down_right; | |
225 | } | |
226 | ||
227 | u32 invalidate_texture_cache_region(psx_gpu_struct *psx_gpu, u32 x1, u32 y1, | |
228 | u32 x2, u32 y2) | |
229 | { | |
230 | u32 mask = texture_region_mask(x1, y1, x2, y2); | |
231 | ||
232 | psx_gpu->dirty_textures_4bpp_mask |= mask; | |
233 | psx_gpu->dirty_textures_8bpp_mask |= mask; | |
234 | psx_gpu->dirty_textures_8bpp_alternate_mask |= mask; | |
235 | ||
236 | return mask; | |
237 | } | |
238 | ||
239 | u32 invalidate_texture_cache_region_viewport(psx_gpu_struct *psx_gpu, u32 x1, | |
240 | u32 y1, u32 x2, u32 y2) | |
241 | { | |
242 | u32 mask = texture_region_mask(x1, y1, x2, y2) & | |
243 | psx_gpu->viewport_mask; | |
244 | psx_gpu->dirty_textures_4bpp_mask |= mask; | |
245 | psx_gpu->dirty_textures_8bpp_mask |= mask; | |
246 | psx_gpu->dirty_textures_8bpp_alternate_mask |= mask; | |
247 | ||
248 | return mask; | |
249 | } | |
250 | ||
251 | ||
252 | void update_texture_8bpp_cache_slice(psx_gpu_struct *psx_gpu, | |
253 | u32 texture_page); | |
254 | ||
255 | #ifndef PANDORA_BUILD | |
256 | ||
257 | void update_texture_4bpp_cache(psx_gpu_struct *psx_gpu) | |
258 | { | |
259 | u32 current_texture_page = psx_gpu->current_texture_page; | |
260 | u8 *texture_page_ptr = psx_gpu->texture_page_ptr; | |
261 | u16 *vram_ptr = psx_gpu->vram_ptr; | |
262 | ||
263 | u32 texel_block; | |
264 | u32 tile_x, tile_y; | |
265 | u32 sub_x, sub_y; | |
266 | ||
267 | vram_ptr += (current_texture_page >> 4) * 256 * 1024; | |
268 | vram_ptr += (current_texture_page & 0xF) * 64; | |
269 | ||
270 | texture_cache_loads++; | |
271 | ||
272 | tile_y = 16; | |
273 | tile_x = 16; | |
274 | sub_x = 4; | |
275 | sub_y = 16; | |
276 | ||
277 | psx_gpu->dirty_textures_4bpp_mask &= ~(psx_gpu->current_texture_mask); | |
278 | ||
279 | while(tile_y) | |
280 | { | |
281 | while(tile_x) | |
282 | { | |
283 | while(sub_y) | |
284 | { | |
285 | while(sub_x) | |
286 | { | |
287 | texel_block = *vram_ptr; | |
288 | texture_page_ptr[0] = texel_block & 0xF; | |
289 | texture_page_ptr[1] = (texel_block >> 4) & 0xF; | |
290 | texture_page_ptr[2] = (texel_block >> 8) & 0xF; | |
291 | texture_page_ptr[3] = texel_block >> 12; | |
292 | ||
293 | vram_ptr++; | |
294 | texture_page_ptr += 4; | |
295 | ||
296 | sub_x--; | |
297 | } | |
298 | ||
299 | vram_ptr -= 4; | |
300 | sub_x = 4; | |
301 | ||
302 | sub_y--; | |
303 | vram_ptr += 1024; | |
304 | } | |
305 | ||
306 | sub_y = 16; | |
307 | ||
308 | vram_ptr -= (1024 * 16) - 4; | |
309 | tile_x--; | |
310 | } | |
311 | ||
312 | tile_x = 16; | |
313 | ||
314 | vram_ptr += (16 * 1024) - (4 * 16); | |
315 | tile_y--; | |
316 | } | |
317 | } | |
318 | ||
319 | void update_texture_8bpp_cache_slice(psx_gpu_struct *psx_gpu, | |
320 | u32 texture_page) | |
321 | { | |
322 | u16 *texture_page_ptr = psx_gpu->texture_page_ptr; | |
323 | u16 *vram_ptr = psx_gpu->vram_ptr; | |
324 | ||
325 | u32 tile_x, tile_y; | |
326 | u32 sub_y; | |
327 | ||
328 | vec_8x16u texels; | |
329 | ||
330 | texture_cache_loads++; | |
331 | ||
332 | vram_ptr += (texture_page >> 4) * 256 * 1024; | |
333 | vram_ptr += (texture_page & 0xF) * 64; | |
334 | ||
335 | if((texture_page ^ psx_gpu->current_texture_page) & 0x1) | |
336 | texture_page_ptr += (8 * 16) * 8; | |
337 | ||
338 | tile_x = 8; | |
339 | tile_y = 16; | |
340 | ||
341 | sub_y = 16; | |
342 | ||
343 | while(tile_y) | |
344 | { | |
345 | while(tile_x) | |
346 | { | |
347 | while(sub_y) | |
348 | { | |
349 | load_128b(texels, vram_ptr); | |
350 | store_128b(texels, texture_page_ptr); | |
351 | ||
352 | texture_page_ptr += 8; | |
353 | vram_ptr += 1024; | |
354 | ||
355 | sub_y--; | |
356 | } | |
357 | ||
358 | sub_y = 16; | |
359 | ||
360 | vram_ptr -= (1024 * 16); | |
361 | vram_ptr += 8; | |
362 | ||
363 | tile_x--; | |
364 | } | |
365 | ||
366 | tile_x = 8; | |
367 | ||
368 | vram_ptr -= (8 * 8); | |
369 | vram_ptr += (16 * 1024); | |
370 | ||
371 | texture_page_ptr += (8 * 16) * 8; | |
372 | tile_y--; | |
373 | } | |
374 | } | |
375 | ||
376 | #endif | |
377 | ||
378 | ||
379 | void update_texture_8bpp_cache(psx_gpu_struct *psx_gpu) | |
380 | { | |
381 | u32 current_texture_page = psx_gpu->current_texture_page; | |
382 | u32 update_textures = | |
383 | psx_gpu->dirty_textures_8bpp_mask & psx_gpu->current_texture_mask; | |
384 | ||
385 | psx_gpu->dirty_textures_8bpp_mask &= ~update_textures; | |
386 | ||
387 | if(update_textures & (1 << current_texture_page)) | |
388 | { | |
389 | update_texture_8bpp_cache_slice(psx_gpu, current_texture_page); | |
390 | update_textures &= ~(1 << current_texture_page); | |
391 | } | |
392 | ||
393 | if(update_textures) | |
394 | { | |
395 | u32 adjacent_texture_page = ((current_texture_page + 1) & 0xF) | | |
396 | (current_texture_page & 0x10); | |
397 | ||
398 | update_texture_8bpp_cache_slice(psx_gpu, adjacent_texture_page); | |
399 | } | |
400 | } | |
401 | ||
402 | void setup_blocks_shaded_untextured_undithered_unswizzled_indirect( | |
403 | psx_gpu_struct *psx_gpu); | |
404 | ||
405 | void flush_render_block_buffer(psx_gpu_struct *psx_gpu) | |
406 | { | |
407 | if(psx_gpu->num_blocks) | |
408 | { | |
409 | render_block_handler_struct *render_block_handler = | |
410 | psx_gpu->render_block_handler; | |
411 | ||
412 | render_block_handler->texture_blocks(psx_gpu); | |
413 | render_block_handler->shade_blocks(psx_gpu); | |
414 | render_block_handler->blend_blocks(psx_gpu); | |
415 | ||
416 | span_pixel_blocks += psx_gpu->num_blocks; | |
417 | render_buffer_flushes++; | |
418 | ||
419 | psx_gpu->num_blocks = 0; | |
420 | } | |
421 | } | |
422 | ||
423 | ||
424 | void compute_all_gradients(psx_gpu_struct *psx_gpu, vertex_struct *a, | |
425 | vertex_struct *b, vertex_struct *c); | |
426 | ||
427 | #ifndef PANDORA_BUILD | |
428 | ||
429 | #define setup_gradient_calculation_input(set, vertex) \ | |
430 | /* First type is: uvrg bxxx xxxx */\ | |
431 | /* Second type is: yyyy ybyy uvrg */\ | |
432 | /* Since x_a and y_c are the same the same variable is used for both. */\ | |
433 | x##set##_a_y##set##_c.e[0] = vertex->u; \ | |
434 | x##set##_a_y##set##_c.e[1] = vertex->v; \ | |
435 | x##set##_a_y##set##_c.e[2] = vertex->r; \ | |
436 | x##set##_a_y##set##_c.e[3] = vertex->g; \ | |
437 | dup_4x16b(x##set##_b, vertex->x); \ | |
438 | dup_4x16b(x##set##_c, vertex->x); \ | |
439 | dup_4x16b(y##set##_a, vertex->y); \ | |
440 | dup_4x16b(y##set##_b, vertex->y); \ | |
441 | x##set##_b.e[0] = vertex->b; \ | |
442 | y##set##_b.e[1] = vertex->b \ | |
443 | ||
444 | ||
445 | void compute_all_gradients(psx_gpu_struct *psx_gpu, vertex_struct *a, | |
446 | vertex_struct *b, vertex_struct *c) | |
447 | { | |
448 | u32 triangle_area = psx_gpu->triangle_area; | |
449 | u32 winding_mask_scalar; | |
450 | ||
451 | u32 triangle_area_shift; | |
452 | u64 triangle_area_reciprocal = | |
453 | fixed_reciprocal(triangle_area, &triangle_area_shift); | |
454 | triangle_area_shift = -(triangle_area_shift - FIXED_BITS); | |
455 | ||
456 | // ((x1 - x0) * (y2 - y1)) - ((x2 - x1) * (y1 - y0)) = | |
457 | // ( d0 * d1 ) - ( d2 * d3 ) = | |
458 | // ( m0 ) - ( m1 ) = gradient | |
459 | ||
460 | // This is split to do 12 elements at a time over three sets: a, b, and c. | |
461 | // Technically we only need to do 10 elements (uvrgb_x and uvrgb_y), so | |
462 | // two of the slots are unused. | |
463 | ||
464 | // Inputs are all 16-bit signed. The m0/m1 results are 32-bit signed, as | |
465 | // is g. | |
466 | ||
467 | vec_4x16s x0_a_y0_c, x0_b, x0_c; | |
468 | vec_4x16s y0_a, y0_b; | |
469 | vec_4x16s x1_a_y1_c, x1_b, x1_c; | |
470 | vec_4x16s y1_a, y1_b; | |
471 | vec_4x16s x2_a_y2_c, x2_b, x2_c; | |
472 | vec_4x16s y2_a, y2_b; | |
473 | ||
474 | vec_4x32u uvrg_base; | |
475 | vec_4x32u b_base; | |
476 | vec_4x32u const_0x8000; | |
477 | ||
478 | vec_4x16s d0_a_d3_c, d0_b, d0_c; | |
479 | vec_4x16s d1_a, d1_b, d1_c_d2_a; | |
480 | vec_4x16s d2_b, d2_c; | |
481 | vec_4x16s d3_a, d3_b; | |
482 | ||
483 | vec_4x32s m0_a, m0_b, m0_c; | |
484 | vec_4x32s m1_a, m1_b, m1_c; | |
485 | ||
486 | vec_4x32u gradient_area_a, gradient_area_c; | |
487 | vec_2x32u gradient_area_b; | |
488 | ||
489 | vec_4x32u gradient_area_sign_a, gradient_area_sign_c; | |
490 | vec_2x32u gradient_area_sign_b; | |
491 | vec_4x32u winding_mask; | |
492 | ||
493 | vec_2x64u gradient_wide_a0, gradient_wide_a1; | |
494 | vec_2x64u gradient_wide_c0, gradient_wide_c1; | |
495 | vec_2x64u gradient_wide_b; | |
496 | ||
497 | vec_4x32u gradient_a, gradient_c; | |
498 | vec_2x32u gradient_b; | |
499 | vec_16x8s gradient_shift; | |
500 | ||
501 | setup_gradient_calculation_input(0, a); | |
502 | setup_gradient_calculation_input(1, b); | |
503 | setup_gradient_calculation_input(2, c); | |
504 | ||
505 | dup_4x32b(const_0x8000, 0x8000); | |
506 | shl_long_4x16b(uvrg_base, x0_a_y0_c, 16); | |
507 | shl_long_4x16b(b_base, x0_b, 16); | |
508 | ||
509 | add_4x32b(uvrg_base, uvrg_base, const_0x8000); | |
510 | add_4x32b(b_base, b_base, const_0x8000); | |
511 | ||
512 | // Can probably pair these, but it'll require careful register allocation | |
513 | sub_4x16b(d0_a_d3_c, x1_a_y1_c, x0_a_y0_c); | |
514 | sub_4x16b(d1_c_d2_a, x2_a_y2_c, x1_a_y1_c); | |
515 | ||
516 | sub_4x16b(d0_b, x1_b, x0_b); | |
517 | sub_4x16b(d0_c, x1_c, x0_c); | |
518 | ||
519 | sub_4x16b(d1_a, y2_a, y1_a); | |
520 | sub_4x16b(d1_b, y2_b, y1_b); | |
521 | ||
522 | sub_4x16b(d2_b, x2_b, x1_b); | |
523 | sub_4x16b(d2_c, x2_c, x1_c); | |
524 | ||
525 | sub_4x16b(d3_a, y1_a, y0_a); | |
526 | sub_4x16b(d3_b, y1_b, y0_b); | |
527 | ||
528 | mul_long_4x16b(m0_a, d0_a_d3_c, d1_a); | |
529 | mul_long_4x16b(m0_b, d0_b, d1_b); | |
530 | mul_long_4x16b(m0_c, d0_c, d1_c_d2_a); | |
531 | ||
532 | mul_long_4x16b(m1_a, d1_c_d2_a, d3_a); | |
533 | mul_long_4x16b(m1_b, d2_b, d3_b); | |
534 | mul_long_4x16b(m1_c, d2_c, d0_a_d3_c); | |
535 | ||
536 | sub_4x32b(gradient_area_a, m0_a, m1_a); | |
537 | sub_2x32b(gradient_area_b, m0_b.low, m1_b.low); | |
538 | sub_4x32b(gradient_area_c, m0_c, m1_c); | |
539 | ||
540 | cmpltz_4x32b(gradient_area_sign_a, gradient_area_a); | |
541 | cmpltz_2x32b(gradient_area_sign_b, gradient_area_b); | |
542 | cmpltz_4x32b(gradient_area_sign_c, gradient_area_c); | |
543 | ||
544 | abs_4x32b(gradient_area_a, gradient_area_a); | |
545 | abs_2x32b(gradient_area_b, gradient_area_b); | |
546 | abs_4x32b(gradient_area_c, gradient_area_c); | |
547 | ||
548 | winding_mask_scalar = -psx_gpu->triangle_winding; | |
549 | ||
550 | dup_4x32b(winding_mask, winding_mask_scalar); | |
551 | eor_4x32b(gradient_area_sign_a, gradient_area_sign_a, winding_mask); | |
552 | eor_2x32b(gradient_area_sign_b, gradient_area_sign_b, winding_mask); | |
553 | eor_4x32b(gradient_area_sign_c, gradient_area_sign_c, winding_mask); | |
554 | ||
555 | mul_scalar_long_2x32b(gradient_wide_a0, | |
556 | vector_cast(vec_2x32s, gradient_area_a.low), | |
557 | (s64)triangle_area_reciprocal); | |
558 | mul_scalar_long_2x32b(gradient_wide_a1, | |
559 | vector_cast(vec_2x32s, gradient_area_a.high), | |
560 | (s64)triangle_area_reciprocal); | |
561 | mul_scalar_long_2x32b(gradient_wide_b, | |
562 | vector_cast(vec_2x32s, gradient_area_b), | |
563 | (s64)triangle_area_reciprocal); | |
564 | mul_scalar_long_2x32b(gradient_wide_c0, | |
565 | vector_cast(vec_2x32s, gradient_area_c.low), | |
566 | (s64)triangle_area_reciprocal); | |
567 | mul_scalar_long_2x32b(gradient_wide_c1, | |
568 | vector_cast(vec_2x32s, gradient_area_c.high), | |
569 | (s64)triangle_area_reciprocal); | |
570 | ||
571 | dup_16x8b(gradient_shift, triangle_area_shift); | |
572 | shl_reg_2x64b(gradient_wide_a0, gradient_wide_a0, | |
573 | vector_cast(vec_2x64u, gradient_shift)); | |
574 | shl_reg_2x64b(gradient_wide_a1, gradient_wide_a1, | |
575 | vector_cast(vec_2x64u, gradient_shift)); | |
576 | shl_reg_2x64b(gradient_wide_b, gradient_wide_b, | |
577 | vector_cast(vec_2x64u, gradient_shift)); | |
578 | shl_reg_2x64b(gradient_wide_c0, gradient_wide_c0, | |
579 | vector_cast(vec_2x64u, gradient_shift)); | |
580 | shl_reg_2x64b(gradient_wide_c1, gradient_wide_c1, | |
581 | vector_cast(vec_2x64u, gradient_shift)); | |
582 | ||
583 | mov_narrow_2x64b(gradient_a.low, gradient_wide_a0); | |
584 | mov_narrow_2x64b(gradient_a.high, gradient_wide_a1); | |
585 | mov_narrow_2x64b(gradient_b, gradient_wide_b); | |
586 | mov_narrow_2x64b(gradient_c.low, gradient_wide_c0); | |
587 | mov_narrow_2x64b(gradient_c.high, gradient_wide_c1); | |
588 | ||
589 | shl_4x32b(gradient_a, gradient_a, 4); | |
590 | shl_2x32b(gradient_b, gradient_b, 4); | |
591 | shl_4x32b(gradient_c, gradient_c, 4); | |
592 | ||
593 | eor_4x32b(gradient_a, gradient_a, gradient_area_sign_a); | |
594 | eor_2x32b(gradient_b, gradient_b, gradient_area_sign_b); | |
595 | eor_4x32b(gradient_c, gradient_c, gradient_area_sign_c); | |
596 | ||
597 | sub_4x32b(gradient_a, gradient_a, gradient_area_sign_a); | |
598 | sub_2x32b(gradient_b, gradient_b, gradient_area_sign_b); | |
599 | sub_4x32b(gradient_c, gradient_c, gradient_area_sign_c); | |
600 | ||
601 | u32 left_adjust = a->x; | |
602 | mls_scalar_4x32b(uvrg_base, gradient_a, left_adjust); | |
603 | mls_scalar_2x32b(b_base.low, gradient_b, left_adjust); | |
604 | ||
605 | vec_4x32u uvrg_dx2; | |
606 | vec_2x32u b_dx2; | |
607 | ||
608 | vec_4x32u uvrg_dx3; | |
609 | vec_2x32u b_dx3; | |
610 | ||
611 | vec_4x32u zero; | |
612 | ||
613 | eor_4x32b(zero, zero, zero); | |
614 | add_4x32b(uvrg_dx2, gradient_a, gradient_a); | |
615 | add_2x32b(b_dx2, gradient_b, gradient_b); | |
616 | add_4x32b(uvrg_dx3, gradient_a, uvrg_dx2); | |
617 | add_2x32b(b_dx3, gradient_b, b_dx2); | |
618 | ||
619 | // Can be done with vst4, assuming that the zero, dx, dx2, and dx3 are | |
620 | // lined up properly | |
621 | psx_gpu->u_block_span.e[0] = zero.e[0]; | |
622 | psx_gpu->u_block_span.e[1] = gradient_a.e[0]; | |
623 | psx_gpu->u_block_span.e[2] = uvrg_dx2.e[0]; | |
624 | psx_gpu->u_block_span.e[3] = uvrg_dx3.e[0]; | |
625 | ||
626 | psx_gpu->v_block_span.e[0] = zero.e[1]; | |
627 | psx_gpu->v_block_span.e[1] = gradient_a.e[1]; | |
628 | psx_gpu->v_block_span.e[2] = uvrg_dx2.e[1]; | |
629 | psx_gpu->v_block_span.e[3] = uvrg_dx3.e[1]; | |
630 | ||
631 | psx_gpu->r_block_span.e[0] = zero.e[2]; | |
632 | psx_gpu->r_block_span.e[1] = gradient_a.e[2]; | |
633 | psx_gpu->r_block_span.e[2] = uvrg_dx2.e[2]; | |
634 | psx_gpu->r_block_span.e[3] = uvrg_dx3.e[2]; | |
635 | ||
636 | psx_gpu->g_block_span.e[0] = zero.e[3]; | |
637 | psx_gpu->g_block_span.e[1] = gradient_a.e[3]; | |
638 | psx_gpu->g_block_span.e[2] = uvrg_dx2.e[3]; | |
639 | psx_gpu->g_block_span.e[3] = uvrg_dx3.e[3]; | |
640 | ||
641 | psx_gpu->b_block_span.e[0] = zero.e[0]; | |
642 | psx_gpu->b_block_span.e[1] = gradient_b.e[0]; | |
643 | psx_gpu->b_block_span.e[2] = b_dx2.e[0]; | |
644 | psx_gpu->b_block_span.e[3] = b_dx3.e[0]; | |
645 | ||
646 | psx_gpu->uvrg = uvrg_base; | |
647 | psx_gpu->b = b_base.e[0]; | |
648 | ||
649 | psx_gpu->uvrg_dx = gradient_a; | |
650 | psx_gpu->uvrg_dy = gradient_c; | |
651 | psx_gpu->b_dy = gradient_b.e[1]; | |
652 | } | |
653 | #endif | |
654 | ||
655 | #define vector_check(_a, _b) \ | |
656 | if(memcmp(&_a, &_b, sizeof(_b))) \ | |
657 | { \ | |
658 | if(sizeof(_b) == 8) \ | |
659 | { \ | |
660 | printf("mismatch on %s vs %s: (%x %x) vs (%x %x)\n", \ | |
661 | #_a, #_b, _a.e[0], _a.e[1], _b.e[0], _b.e[1]); \ | |
662 | } \ | |
663 | else \ | |
664 | { \ | |
665 | printf("mismatch on %s vs %s: (%x %x %x %x) vs (%x %x %x %x)\n", \ | |
666 | #_a, #_b, _a.e[0], _a.e[1], _a.e[2], _a.e[3], _b.e[0], _b.e[1], \ | |
667 | _b.e[2], _b.e[3]); \ | |
668 | } \ | |
669 | } \ | |
670 | ||
671 | #define scalar_check(_a, _b) \ | |
672 | if(_a != _b) \ | |
673 | printf("mismatch on %s %s: %x vs %x\n", #_a, #_b, _a, _b) \ | |
674 | ||
675 | ||
676 | #define setup_spans_prologue_alternate_yes() \ | |
677 | vec_2x64s alternate_x; \ | |
678 | vec_2x64s alternate_dx_dy; \ | |
679 | vec_4x32s alternate_x_32; \ | |
680 | vec_2x32s alternate_x_16; \ | |
681 | \ | |
682 | vec_4x16u alternate_select; \ | |
683 | vec_4x16s y_mid_point; \ | |
684 | \ | |
685 | s32 y_b = v_b->y; \ | |
686 | s64 edge_alt; \ | |
687 | s32 edge_dx_dy_alt; \ | |
688 | u32 edge_shift_alt \ | |
689 | ||
690 | #define setup_spans_prologue_alternate_no() \ | |
691 | ||
692 | #define setup_spans_prologue(alternate_active) \ | |
693 | edge_data_struct *span_edge_data; \ | |
694 | vec_4x32u *span_uvrg_offset; \ | |
695 | u32 *span_b_offset; \ | |
696 | \ | |
697 | s32 clip; \ | |
698 | \ | |
699 | vec_2x64s edges_xy; \ | |
700 | vec_2x32s edges_dx_dy; \ | |
701 | vec_2x32u edge_shifts; \ | |
702 | \ | |
703 | vec_2x64s left_x, right_x; \ | |
704 | vec_2x64s left_dx_dy, right_dx_dy; \ | |
705 | vec_4x32s left_x_32, right_x_32; \ | |
706 | vec_8x16s left_right_x_16; \ | |
707 | vec_4x16s y_x4; \ | |
708 | vec_8x16s left_edge; \ | |
709 | vec_8x16s right_edge; \ | |
710 | vec_4x16u span_shift; \ | |
711 | \ | |
712 | vec_2x32u c_0x01; \ | |
713 | vec_4x16u c_0x04; \ | |
714 | vec_4x16u c_0xFFFE; \ | |
715 | vec_4x16u c_0x07; \ | |
716 | \ | |
717 | vec_2x32s x_starts; \ | |
718 | vec_2x32s x_ends; \ | |
719 | \ | |
720 | s32 x_a = v_a->x; \ | |
721 | s32 x_b = v_b->x; \ | |
722 | s32 x_c = v_c->x; \ | |
723 | s32 y_a = v_a->y; \ | |
724 | s32 y_c = v_c->y; \ | |
725 | \ | |
726 | vec_4x32u uvrg = psx_gpu->uvrg; \ | |
727 | vec_4x32u uvrg_dy = psx_gpu->uvrg_dy; \ | |
728 | u32 b = psx_gpu->b; \ | |
729 | u32 b_dy = psx_gpu->b_dy; \ | |
730 | \ | |
731 | dup_2x32b(c_0x01, 0x01); \ | |
732 | setup_spans_prologue_alternate_##alternate_active() \ | |
733 | ||
734 | #define setup_spans_prologue_b() \ | |
735 | span_edge_data = psx_gpu->span_edge_data; \ | |
736 | span_uvrg_offset = psx_gpu->span_uvrg_offset; \ | |
737 | span_b_offset = psx_gpu->span_b_offset; \ | |
738 | \ | |
739 | vec_8x16u c_0x0001; \ | |
740 | \ | |
741 | dup_8x16b(c_0x0001, 0x0001); \ | |
742 | dup_8x16b(left_edge, psx_gpu->viewport_start_x); \ | |
743 | dup_8x16b(right_edge, psx_gpu->viewport_end_x); \ | |
744 | add_8x16b(right_edge, right_edge, c_0x0001); \ | |
745 | dup_4x16b(c_0x04, 0x04); \ | |
746 | dup_4x16b(c_0x07, 0x07); \ | |
747 | dup_4x16b(c_0xFFFE, 0xFFFE); \ | |
748 | ||
749 | ||
750 | #define compute_edge_delta_x2() \ | |
751 | { \ | |
752 | vec_2x32s heights; \ | |
753 | vec_2x32s height_reciprocals; \ | |
754 | vec_2x32s heights_b; \ | |
755 | vec_4x32u widths; \ | |
756 | \ | |
757 | u32 edge_shift = reciprocal_table[height]; \ | |
758 | \ | |
759 | dup_2x32b(heights, height); \ | |
760 | sub_2x32b(widths, x_ends, x_starts); \ | |
761 | \ | |
762 | dup_2x32b(edge_shifts, edge_shift); \ | |
763 | sub_2x32b(heights_b, heights, c_0x01); \ | |
764 | shr_2x32b(height_reciprocals, edge_shifts, 12); \ | |
765 | \ | |
766 | mla_2x32b(heights_b, x_starts, heights); \ | |
767 | bic_immediate_4x16b(vector_cast(vec_4x16u, edge_shifts), 0xE0); \ | |
768 | mul_2x32b(edges_dx_dy, widths, height_reciprocals); \ | |
769 | mul_long_2x32b(edges_xy, heights_b, height_reciprocals); \ | |
770 | } \ | |
771 | ||
772 | #define compute_edge_delta_x3(start_c, height_a, height_b) \ | |
773 | { \ | |
774 | vec_2x32s heights; \ | |
775 | vec_2x32s height_reciprocals; \ | |
776 | vec_2x32s heights_b; \ | |
777 | vec_2x32u widths; \ | |
778 | \ | |
779 | u32 width_alt; \ | |
780 | s32 height_b_alt; \ | |
781 | u32 height_reciprocal_alt; \ | |
782 | \ | |
783 | heights.e[0] = height_a; \ | |
784 | heights.e[1] = height_b; \ | |
785 | \ | |
786 | edge_shifts.e[0] = reciprocal_table[height_a]; \ | |
787 | edge_shifts.e[1] = reciprocal_table[height_b]; \ | |
788 | edge_shift_alt = reciprocal_table[height_minor_b]; \ | |
789 | \ | |
790 | sub_2x32b(widths, x_ends, x_starts); \ | |
791 | width_alt = x_c - start_c; \ | |
792 | \ | |
793 | shr_2x32b(height_reciprocals, edge_shifts, 12); \ | |
794 | height_reciprocal_alt = edge_shift_alt >> 12; \ | |
795 | \ | |
796 | bic_immediate_4x16b(vector_cast(vec_4x16u, edge_shifts), 0xE0); \ | |
797 | edge_shift_alt &= 0x1F; \ | |
798 | \ | |
799 | sub_2x32b(heights_b, heights, c_0x01); \ | |
800 | height_b_alt = height_minor_b - 1; \ | |
801 | \ | |
802 | mla_2x32b(heights_b, x_starts, heights); \ | |
803 | height_b_alt += height_minor_b * start_c; \ | |
804 | \ | |
805 | mul_long_2x32b(edges_xy, heights_b, height_reciprocals); \ | |
806 | edge_alt = (s64)height_b_alt * height_reciprocal_alt; \ | |
807 | \ | |
808 | mul_2x32b(edges_dx_dy, widths, height_reciprocals); \ | |
809 | edge_dx_dy_alt = width_alt * height_reciprocal_alt; \ | |
810 | } \ | |
811 | ||
812 | ||
813 | #define setup_spans_adjust_y_up() \ | |
814 | sub_4x32b(y_x4, y_x4, c_0x04) \ | |
815 | ||
816 | #define setup_spans_adjust_y_down() \ | |
817 | add_4x32b(y_x4, y_x4, c_0x04) \ | |
818 | ||
819 | #define setup_spans_adjust_interpolants_up() \ | |
820 | sub_4x32b(uvrg, uvrg, uvrg_dy); \ | |
821 | b -= b_dy \ | |
822 | ||
823 | #define setup_spans_adjust_interpolants_down() \ | |
824 | add_4x32b(uvrg, uvrg, uvrg_dy); \ | |
825 | b += b_dy \ | |
826 | ||
827 | ||
828 | #define setup_spans_clip_interpolants_increment() \ | |
829 | mla_scalar_4x32b(uvrg, uvrg_dy, clip); \ | |
830 | b += b_dy * clip \ | |
831 | ||
832 | #define setup_spans_clip_interpolants_decrement() \ | |
833 | mls_scalar_4x32b(uvrg, uvrg_dy, clip); \ | |
834 | b -= b_dy * clip \ | |
835 | ||
836 | #define setup_spans_clip_alternate_yes() \ | |
837 | edge_alt += edge_dx_dy_alt * (s64)(clip) \ | |
838 | ||
839 | #define setup_spans_clip_alternate_no() \ | |
840 | ||
841 | #define setup_spans_clip(direction, alternate_active) \ | |
842 | { \ | |
843 | clipped_triangles++; \ | |
844 | mla_scalar_long_2x32b(edges_xy, edges_dx_dy, (s64)clip); \ | |
845 | setup_spans_clip_alternate_##alternate_active(); \ | |
846 | setup_spans_clip_interpolants_##direction(); \ | |
847 | } \ | |
848 | ||
849 | ||
850 | #define setup_spans_adjust_edges_alternate_no(left_index, right_index) \ | |
851 | { \ | |
852 | vec_2x64u edge_shifts_64; \ | |
853 | vec_2x64s edges_dx_dy_64; \ | |
854 | \ | |
855 | mov_wide_2x32b(edge_shifts_64, edge_shifts); \ | |
856 | shl_variable_2x64b(edges_xy, edges_xy, edge_shifts_64); \ | |
857 | \ | |
858 | mov_wide_2x32b(edges_dx_dy_64, edges_dx_dy); \ | |
859 | shl_variable_2x64b(edges_dx_dy_64, edges_dx_dy_64, edge_shifts_64); \ | |
860 | \ | |
861 | left_x.e[0] = edges_xy.e[left_index]; \ | |
862 | right_x.e[0] = edges_xy.e[right_index]; \ | |
863 | \ | |
864 | left_dx_dy.e[0] = edges_dx_dy_64.e[left_index]; \ | |
865 | left_dx_dy.e[1] = edges_dx_dy_64.e[left_index]; \ | |
866 | right_dx_dy.e[0] = edges_dx_dy_64.e[right_index]; \ | |
867 | right_dx_dy.e[1] = edges_dx_dy_64.e[right_index]; \ | |
868 | \ | |
869 | add_1x64b(left_x.high, left_x.low, left_dx_dy.low); \ | |
870 | add_1x64b(right_x.high, right_x.low, right_dx_dy.low); \ | |
871 | \ | |
872 | add_2x64b(left_dx_dy, left_dx_dy, left_dx_dy); \ | |
873 | add_2x64b(right_dx_dy, right_dx_dy, right_dx_dy); \ | |
874 | } \ | |
875 | ||
876 | #define setup_spans_adjust_edges_alternate_yes(left_index, right_index) \ | |
877 | { \ | |
878 | setup_spans_adjust_edges_alternate_no(left_index, right_index); \ | |
879 | s64 edge_dx_dy_alt_64; \ | |
880 | \ | |
881 | dup_4x16b(y_mid_point, y_b); \ | |
882 | \ | |
883 | edge_alt <<= edge_shift_alt; \ | |
884 | edge_dx_dy_alt_64 = (s64)edge_dx_dy_alt << edge_shift_alt; \ | |
885 | \ | |
886 | alternate_x.e[0] = edge_alt; \ | |
887 | alternate_dx_dy.e[0] = edge_dx_dy_alt_64; \ | |
888 | alternate_dx_dy.e[1] = edge_dx_dy_alt_64; \ | |
889 | \ | |
890 | add_1x64b(alternate_x.high, alternate_x.low, alternate_dx_dy.low); \ | |
891 | add_2x64b(alternate_dx_dy, alternate_dx_dy, alternate_dx_dy); \ | |
892 | } \ | |
893 | ||
894 | ||
895 | #define setup_spans_y_select_up() \ | |
896 | cmplt_4x16b(alternate_select, y_x4, y_mid_point) \ | |
897 | ||
898 | #define setup_spans_y_select_down() \ | |
899 | cmpgt_4x16b(alternate_select, y_x4, y_mid_point) \ | |
900 | ||
901 | #define setup_spans_y_select_alternate_yes(direction) \ | |
902 | setup_spans_y_select_##direction() \ | |
903 | ||
904 | #define setup_spans_y_select_alternate_no(direction) \ | |
905 | ||
906 | #define setup_spans_alternate_select_left() \ | |
907 | bit_4x16b(left_right_x_16.low, alternate_x_16, alternate_select) \ | |
908 | ||
909 | #define setup_spans_alternate_select_right() \ | |
910 | bit_4x16b(left_right_x_16.high, alternate_x_16, alternate_select) \ | |
911 | ||
912 | #define setup_spans_alternate_select_none() \ | |
913 | ||
914 | #define setup_spans_increment_alternate_yes() \ | |
915 | shr_narrow_2x64b(alternate_x_32.low, alternate_x, 32); \ | |
916 | add_2x64b(alternate_x, alternate_x, alternate_dx_dy); \ | |
917 | shr_narrow_2x64b(alternate_x_32.high, alternate_x, 32); \ | |
918 | add_2x64b(alternate_x, alternate_x, alternate_dx_dy); \ | |
919 | mov_narrow_4x32b(alternate_x_16, alternate_x_32) \ | |
920 | ||
921 | #define setup_spans_increment_alternate_no() \ | |
922 | ||
923 | #define setup_spans_set_x4(alternate, direction, alternate_active) \ | |
924 | { \ | |
925 | span_uvrg_offset[0] = uvrg; \ | |
926 | span_b_offset[0] = b; \ | |
927 | setup_spans_adjust_interpolants_##direction(); \ | |
928 | \ | |
929 | span_uvrg_offset[1] = uvrg; \ | |
930 | span_b_offset[1] = b; \ | |
931 | setup_spans_adjust_interpolants_##direction(); \ | |
932 | \ | |
933 | span_uvrg_offset[2] = uvrg; \ | |
934 | span_b_offset[2] = b; \ | |
935 | setup_spans_adjust_interpolants_##direction(); \ | |
936 | \ | |
937 | span_uvrg_offset[3] = uvrg; \ | |
938 | span_b_offset[3] = b; \ | |
939 | setup_spans_adjust_interpolants_##direction(); \ | |
940 | \ | |
941 | span_uvrg_offset += 4; \ | |
942 | span_b_offset += 4; \ | |
943 | \ | |
944 | shr_narrow_2x64b(left_x_32.low, left_x, 32); \ | |
945 | shr_narrow_2x64b(right_x_32.low, right_x, 32); \ | |
946 | \ | |
947 | add_2x64b(left_x, left_x, left_dx_dy); \ | |
948 | add_2x64b(right_x, right_x, right_dx_dy); \ | |
949 | \ | |
950 | shr_narrow_2x64b(left_x_32.high, left_x, 32); \ | |
951 | shr_narrow_2x64b(right_x_32.high, right_x, 32); \ | |
952 | \ | |
953 | add_2x64b(left_x, left_x, left_dx_dy); \ | |
954 | add_2x64b(right_x, right_x, right_dx_dy); \ | |
955 | \ | |
956 | mov_narrow_4x32b(left_right_x_16.low, left_x_32); \ | |
957 | mov_narrow_4x32b(left_right_x_16.high, right_x_32); \ | |
958 | \ | |
959 | setup_spans_increment_alternate_##alternate_active(); \ | |
960 | setup_spans_y_select_alternate_##alternate_active(direction); \ | |
961 | setup_spans_alternate_select_##alternate(); \ | |
962 | \ | |
963 | max_8x16b(left_right_x_16, left_right_x_16, left_edge); \ | |
964 | min_8x16b(left_right_x_16, left_right_x_16, right_edge); \ | |
965 | \ | |
966 | sub_4x16b(left_right_x_16.high, left_right_x_16.high, left_right_x_16.low); \ | |
967 | add_4x16b(left_right_x_16.high, left_right_x_16.high, c_0x07); \ | |
968 | and_4x16b(span_shift, left_right_x_16.high, c_0x07); \ | |
969 | shl_variable_4x16b(span_shift, c_0xFFFE, span_shift); \ | |
970 | shr_4x16b(left_right_x_16.high, left_right_x_16.high, 3); \ | |
971 | \ | |
972 | u32 i; \ | |
973 | for(i = 0; i < 4; i++) \ | |
974 | { \ | |
975 | span_edge_data[i].left_x = left_right_x_16.low.e[i]; \ | |
976 | span_edge_data[i].num_blocks = left_right_x_16.high.e[i]; \ | |
977 | span_edge_data[i].right_mask = span_shift.e[i]; \ | |
978 | span_edge_data[i].y = y_x4.e[i]; \ | |
979 | } \ | |
980 | \ | |
981 | span_edge_data += 4; \ | |
982 | \ | |
983 | setup_spans_adjust_y_##direction(); \ | |
984 | } \ | |
985 | ||
986 | ||
987 | #define setup_spans_alternate_adjust_yes() \ | |
988 | edge_alt -= edge_dx_dy_alt * (s64)height_minor_a \ | |
989 | ||
990 | #define setup_spans_alternate_adjust_no() \ | |
991 | ||
992 | ||
993 | #define setup_spans_down(left_index, right_index, alternate, alternate_active) \ | |
994 | setup_spans_alternate_adjust_##alternate_active(); \ | |
995 | if(y_c > psx_gpu->viewport_end_y) \ | |
996 | height -= y_c - psx_gpu->viewport_end_y - 1; \ | |
997 | \ | |
998 | clip = psx_gpu->viewport_start_y - y_a; \ | |
999 | if(clip > 0) \ | |
1000 | { \ | |
1001 | height -= clip; \ | |
1002 | y_a += clip; \ | |
1003 | setup_spans_clip(increment, alternate_active); \ | |
1004 | } \ | |
1005 | \ | |
1006 | setup_spans_prologue_b(); \ | |
1007 | \ | |
1008 | if(height > 0) \ | |
1009 | { \ | |
1010 | y_x4.e[0] = y_a; \ | |
1011 | y_x4.e[1] = y_a + 1; \ | |
1012 | y_x4.e[2] = y_a + 2; \ | |
1013 | y_x4.e[3] = y_a + 3; \ | |
1014 | setup_spans_adjust_edges_alternate_##alternate_active(left_index, \ | |
1015 | right_index); \ | |
1016 | \ | |
1017 | psx_gpu->num_spans = height; \ | |
1018 | do \ | |
1019 | { \ | |
1020 | setup_spans_set_x4(alternate, down, alternate_active); \ | |
1021 | height -= 4; \ | |
1022 | } while(height > 0); \ | |
1023 | } \ | |
1024 | ||
1025 | ||
1026 | #define setup_spans_alternate_pre_increment_yes() \ | |
1027 | edge_alt += edge_dx_dy_alt \ | |
1028 | ||
1029 | #define setup_spans_alternate_pre_increment_no() \ | |
1030 | ||
1031 | #define setup_spans_up_decrement_height_yes() \ | |
1032 | height-- \ | |
1033 | ||
1034 | #define setup_spans_up_decrement_height_no() \ | |
1035 | {} \ | |
1036 | ||
1037 | #define setup_spans_up(left_index, right_index, alternate, alternate_active) \ | |
1038 | setup_spans_alternate_adjust_##alternate_active(); \ | |
1039 | y_a--; \ | |
1040 | \ | |
1041 | if(y_c < psx_gpu->viewport_start_y) \ | |
1042 | height -= psx_gpu->viewport_start_y - y_c; \ | |
1043 | else \ | |
1044 | setup_spans_up_decrement_height_##alternate_active(); \ | |
1045 | \ | |
1046 | clip = y_a - psx_gpu->viewport_end_y; \ | |
1047 | if(clip > 0) \ | |
1048 | { \ | |
1049 | height -= clip; \ | |
1050 | y_a -= clip; \ | |
1051 | setup_spans_clip(decrement, alternate_active); \ | |
1052 | } \ | |
1053 | \ | |
1054 | setup_spans_prologue_b(); \ | |
1055 | \ | |
1056 | if(height > 0) \ | |
1057 | { \ | |
1058 | y_x4.e[0] = y_a; \ | |
1059 | y_x4.e[1] = y_a - 1; \ | |
1060 | y_x4.e[2] = y_a - 2; \ | |
1061 | y_x4.e[3] = y_a - 3; \ | |
1062 | add_wide_2x32b(edges_xy, edges_xy, edges_dx_dy); \ | |
1063 | setup_spans_alternate_pre_increment_##alternate_active(); \ | |
1064 | setup_spans_adjust_edges_alternate_##alternate_active(left_index, \ | |
1065 | right_index); \ | |
1066 | setup_spans_adjust_interpolants_up(); \ | |
1067 | \ | |
1068 | psx_gpu->num_spans = height; \ | |
1069 | while(height > 0) \ | |
1070 | { \ | |
1071 | setup_spans_set_x4(alternate, up, alternate_active); \ | |
1072 | height -= 4; \ | |
1073 | } \ | |
1074 | } \ | |
1075 | ||
1076 | #define index_left 0 | |
1077 | #define index_right 1 | |
1078 | ||
1079 | #define setup_spans_up_up(minor, major) \ | |
1080 | setup_spans_prologue(yes); \ | |
1081 | s32 height_minor_a = y_a - y_b; \ | |
1082 | s32 height_minor_b = y_b - y_c; \ | |
1083 | s32 height = y_a - y_c; \ | |
1084 | \ | |
1085 | dup_2x32b(x_starts, x_a); \ | |
1086 | x_ends.e[0] = x_c; \ | |
1087 | x_ends.e[1] = x_b; \ | |
1088 | \ | |
1089 | compute_edge_delta_x3(x_b, height, height_minor_a); \ | |
1090 | setup_spans_up(index_##major, index_##minor, minor, yes) \ | |
1091 | ||
1092 | ||
1093 | void setup_spans_up_left(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1094 | vertex_struct *v_b, vertex_struct *v_c); | |
1095 | void setup_spans_up_right(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1096 | vertex_struct *v_b, vertex_struct *v_c); | |
1097 | void setup_spans_down_left(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1098 | vertex_struct *v_b, vertex_struct *v_c); | |
1099 | void setup_spans_down_right(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1100 | vertex_struct *v_b, vertex_struct *v_c); | |
1101 | void setup_spans_up_a(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1102 | vertex_struct *v_b, vertex_struct *v_c); | |
1103 | void setup_spans_up_b(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1104 | vertex_struct *v_b, vertex_struct *v_c); | |
1105 | void setup_spans_down_a(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1106 | vertex_struct *v_b, vertex_struct *v_c); | |
1107 | void setup_spans_down_b(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1108 | vertex_struct *v_b, vertex_struct *v_c); | |
1109 | void setup_spans_up_down(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1110 | vertex_struct *v_b, vertex_struct *v_c); | |
1111 | ||
1112 | ||
1113 | #ifndef PANDORA_BUILD | |
1114 | ||
1115 | void setup_spans_up_left(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1116 | vertex_struct *v_b, vertex_struct *v_c) | |
1117 | { | |
1118 | setup_spans_up_up(left, right); | |
1119 | } | |
1120 | ||
1121 | void setup_spans_up_right(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1122 | vertex_struct *v_b, vertex_struct *v_c) | |
1123 | { | |
1124 | setup_spans_up_up(right, left); | |
1125 | } | |
1126 | ||
1127 | #define setup_spans_down_down(minor, major) \ | |
1128 | setup_spans_prologue(yes); \ | |
1129 | s32 height_minor_a = y_b - y_a; \ | |
1130 | s32 height_minor_b = y_c - y_b; \ | |
1131 | s32 height = y_c - y_a; \ | |
1132 | \ | |
1133 | dup_2x32b(x_starts, x_a); \ | |
1134 | x_ends.e[0] = x_c; \ | |
1135 | x_ends.e[1] = x_b; \ | |
1136 | \ | |
1137 | compute_edge_delta_x3(x_b, height, height_minor_a); \ | |
1138 | setup_spans_down(index_##major, index_##minor, minor, yes) \ | |
1139 | ||
1140 | void setup_spans_down_left(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1141 | vertex_struct *v_b, vertex_struct *v_c) | |
1142 | { | |
1143 | setup_spans_down_down(left, right); | |
1144 | } | |
1145 | ||
1146 | void setup_spans_down_right(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1147 | vertex_struct *v_b, vertex_struct *v_c) | |
1148 | { | |
1149 | setup_spans_down_down(right, left); | |
1150 | } | |
1151 | ||
1152 | #define setup_spans_up_flat() \ | |
1153 | s32 height = y_a - y_c; \ | |
1154 | \ | |
1155 | flat_triangles++; \ | |
1156 | compute_edge_delta_x2(); \ | |
1157 | setup_spans_up(index_left, index_right, none, no) \ | |
1158 | ||
1159 | void setup_spans_up_a(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1160 | vertex_struct *v_b, vertex_struct *v_c) | |
1161 | { | |
1162 | setup_spans_prologue(no); | |
1163 | x_starts.e[0] = x_a; | |
1164 | x_starts.e[1] = x_b; | |
1165 | dup_2x32b(x_ends, x_c); | |
1166 | ||
1167 | setup_spans_up_flat(); | |
1168 | } | |
1169 | ||
1170 | void setup_spans_up_b(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1171 | vertex_struct *v_b, vertex_struct *v_c) | |
1172 | { | |
1173 | setup_spans_prologue(no); | |
1174 | dup_2x32b(x_starts, x_a); | |
1175 | x_ends.e[0] = x_b; | |
1176 | x_ends.e[1] = x_c; | |
1177 | ||
1178 | setup_spans_up_flat(); | |
1179 | } | |
1180 | ||
1181 | #define setup_spans_down_flat() \ | |
1182 | s32 height = y_c - y_a; \ | |
1183 | \ | |
1184 | flat_triangles++; \ | |
1185 | compute_edge_delta_x2(); \ | |
1186 | setup_spans_down(index_left, index_right, none, no) \ | |
1187 | ||
1188 | void setup_spans_down_a(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1189 | vertex_struct *v_b, vertex_struct *v_c) | |
1190 | { | |
1191 | setup_spans_prologue(no); | |
1192 | x_starts.e[0] = x_a; | |
1193 | x_starts.e[1] = x_b; | |
1194 | dup_2x32b(x_ends, x_c); | |
1195 | ||
1196 | setup_spans_down_flat(); | |
1197 | } | |
1198 | ||
1199 | void setup_spans_down_b(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1200 | vertex_struct *v_b, vertex_struct *v_c) | |
1201 | { | |
1202 | setup_spans_prologue(no); | |
1203 | dup_2x32b(x_starts, x_a); | |
1204 | x_ends.e[0] = x_b; | |
1205 | x_ends.e[1] = x_c; | |
1206 | ||
1207 | setup_spans_down_flat(); | |
1208 | } | |
1209 | ||
1210 | void setup_spans_up_down(psx_gpu_struct *psx_gpu, vertex_struct *v_a, | |
1211 | vertex_struct *v_b, vertex_struct *v_c) | |
1212 | { | |
1213 | setup_spans_prologue(no); | |
1214 | ||
1215 | s32 y_b = v_b->y; | |
1216 | s64 edge_alt; | |
1217 | s32 edge_dx_dy_alt; | |
1218 | u32 edge_shift_alt; | |
1219 | ||
1220 | s32 middle_y = y_a; | |
1221 | s32 height_minor_a = y_a - y_b; | |
1222 | s32 height_minor_b = y_c - y_a; | |
1223 | s32 height_major = y_c - y_b; | |
1224 | ||
1225 | vec_2x64s edges_xy_b; | |
1226 | vec_2x32s edges_dx_dy_b; | |
1227 | vec_2x32u edge_shifts_b; | |
1228 | ||
1229 | vec_2x32s height_increment; | |
1230 | ||
1231 | x_starts.e[0] = x_a; | |
1232 | x_starts.e[1] = x_c; | |
1233 | dup_2x32b(x_ends, x_b); | |
1234 | ||
1235 | compute_edge_delta_x3(x_a, height_minor_a, height_major); | |
1236 | ||
1237 | height_increment.e[0] = 0; | |
1238 | height_increment.e[1] = height_minor_b; | |
1239 | ||
1240 | mla_long_2x32b(edges_xy, edges_dx_dy, height_increment); | |
1241 | ||
1242 | edges_xy_b.e[0] = edge_alt; | |
1243 | edges_xy_b.e[1] = edges_xy.e[1]; | |
1244 | ||
1245 | edge_shifts_b = edge_shifts; | |
1246 | edge_shifts_b.e[0] = edge_shift_alt; | |
1247 | ||
1248 | neg_2x32b(edges_dx_dy_b, edges_dx_dy); | |
1249 | edges_dx_dy_b.e[0] = edge_dx_dy_alt; | |
1250 | ||
1251 | y_a--; | |
1252 | ||
1253 | if(y_b < psx_gpu->viewport_start_y) | |
1254 | height_minor_a -= psx_gpu->viewport_start_y - y_b; | |
1255 | ||
1256 | clip = y_a - psx_gpu->viewport_end_y; | |
1257 | if(clip > 0) | |
1258 | { | |
1259 | height_minor_a -= clip; | |
1260 | y_a -= clip; | |
1261 | setup_spans_clip(decrement, no); | |
1262 | } | |
1263 | ||
1264 | setup_spans_prologue_b(); | |
1265 | ||
1266 | if(height_minor_a > 0) | |
1267 | { | |
1268 | y_x4.e[0] = y_a; | |
1269 | y_x4.e[1] = y_a - 1; | |
1270 | y_x4.e[2] = y_a - 2; | |
1271 | y_x4.e[3] = y_a - 3; | |
1272 | add_wide_2x32b(edges_xy, edges_xy, edges_dx_dy); | |
1273 | setup_spans_adjust_edges_alternate_no(index_left, index_right); | |
1274 | setup_spans_adjust_interpolants_up(); | |
1275 | ||
1276 | psx_gpu->num_spans = height_minor_a; | |
1277 | while(height_minor_a > 0) | |
1278 | { | |
1279 | setup_spans_set_x4(none, up, no); | |
1280 | height_minor_a -= 4; | |
1281 | } | |
1282 | ||
1283 | span_edge_data += height_minor_a; | |
1284 | span_uvrg_offset += height_minor_a; | |
1285 | span_b_offset += height_minor_a; | |
1286 | } | |
1287 | ||
1288 | edges_xy = edges_xy_b; | |
1289 | edges_dx_dy = edges_dx_dy_b; | |
1290 | edge_shifts = edge_shifts_b; | |
1291 | ||
1292 | uvrg = psx_gpu->uvrg; | |
1293 | b = psx_gpu->b; | |
1294 | ||
1295 | y_a = middle_y; | |
1296 | ||
1297 | if(y_c > psx_gpu->viewport_end_y) | |
1298 | height_minor_b -= y_c - psx_gpu->viewport_end_y - 1; | |
1299 | ||
1300 | clip = psx_gpu->viewport_start_y - y_a; | |
1301 | if(clip > 0) | |
1302 | { | |
1303 | height_minor_b -= clip; | |
1304 | y_a += clip; | |
1305 | setup_spans_clip(increment, no); | |
1306 | } | |
1307 | ||
1308 | if(height_minor_b > 0) | |
1309 | { | |
1310 | y_x4.e[0] = y_a; | |
1311 | y_x4.e[1] = y_a + 1; | |
1312 | y_x4.e[2] = y_a + 2; | |
1313 | y_x4.e[3] = y_a + 3; | |
1314 | setup_spans_adjust_edges_alternate_no(index_left, index_right); | |
1315 | ||
1316 | psx_gpu->num_spans += height_minor_b; | |
1317 | do | |
1318 | { | |
1319 | setup_spans_set_x4(none, down, no); | |
1320 | height_minor_b -= 4; | |
1321 | } while(height_minor_b > 0); | |
1322 | } | |
1323 | ||
1324 | left_split_triangles++; | |
1325 | } | |
1326 | ||
1327 | #endif | |
1328 | ||
1329 | ||
1330 | #define dither_table_entry_normal(value) \ | |
1331 | (value) \ | |
1332 | ||
1333 | ||
1334 | #define setup_blocks_load_msb_mask_indirect() \ | |
1335 | ||
1336 | #define setup_blocks_load_msb_mask_direct() \ | |
1337 | vec_8x16u msb_mask; \ | |
1338 | dup_8x16b(msb_mask, psx_gpu->mask_msb); \ | |
1339 | ||
1340 | ||
1341 | #define setup_blocks_variables_shaded_textured(target) \ | |
1342 | vec_4x32u u_block; \ | |
1343 | vec_4x32u v_block; \ | |
1344 | vec_4x32u r_block; \ | |
1345 | vec_4x32u g_block; \ | |
1346 | vec_4x32u b_block; \ | |
1347 | vec_4x32u uvrg_dx = psx_gpu->uvrg_dx; \ | |
1348 | vec_4x32u uvrg_dx4; \ | |
1349 | vec_4x32u uvrg_dx8; \ | |
1350 | vec_4x32u uvrg; \ | |
1351 | u32 b_dx = psx_gpu->b_block_span.e[1]; \ | |
1352 | u32 b_dx4 = b_dx << 2; \ | |
1353 | u32 b_dx8 = b_dx << 3; \ | |
1354 | u32 b; \ | |
1355 | \ | |
1356 | vec_16x8u texture_mask; \ | |
1357 | shl_4x32b(uvrg_dx4, uvrg_dx, 2); \ | |
1358 | shl_4x32b(uvrg_dx8, uvrg_dx, 3); \ | |
1359 | dup_8x8b(texture_mask.low, psx_gpu->texture_mask_width); \ | |
1360 | dup_8x8b(texture_mask.high, psx_gpu->texture_mask_height) \ | |
1361 | ||
1362 | #define setup_blocks_variables_shaded_untextured(target) \ | |
1363 | vec_4x32u r_block; \ | |
1364 | vec_4x32u g_block; \ | |
1365 | vec_4x32u b_block; \ | |
1366 | vec_4x32u rgb_dx; \ | |
1367 | vec_4x32u rgb_dx4; \ | |
1368 | vec_4x32u rgb_dx8; \ | |
1369 | vec_4x32u rgb; \ | |
1370 | \ | |
1371 | vec_8x8u d64_0x07; \ | |
1372 | vec_8x8u d64_1; \ | |
1373 | vec_8x8u d64_4; \ | |
1374 | vec_8x8u d64_128; \ | |
1375 | \ | |
1376 | dup_8x8b(d64_0x07, 0x07); \ | |
1377 | dup_8x8b(d64_1, 1); \ | |
1378 | dup_8x8b(d64_4, 4); \ | |
1379 | dup_8x8b(d64_128, 128); \ | |
1380 | \ | |
1381 | rgb_dx.low = psx_gpu->uvrg_dx.high; \ | |
1382 | rgb_dx.e[2] = psx_gpu->b_block_span.e[1]; \ | |
1383 | shl_4x32b(rgb_dx4, rgb_dx, 2); \ | |
1384 | shl_4x32b(rgb_dx8, rgb_dx, 3) \ | |
1385 | ||
1386 | #define setup_blocks_variables_unshaded_textured(target) \ | |
1387 | vec_4x32u u_block; \ | |
1388 | vec_4x32u v_block; \ | |
1389 | vec_2x32u uv_dx = psx_gpu->uvrg_dx.low; \ | |
1390 | vec_2x32u uv_dx4; \ | |
1391 | vec_2x32u uv_dx8; \ | |
1392 | vec_2x32u uv = psx_gpu->uvrg.low; \ | |
1393 | \ | |
1394 | vec_16x8u texture_mask; \ | |
1395 | shl_2x32b(uv_dx4, uv_dx, 2); \ | |
1396 | shl_2x32b(uv_dx8, uv_dx, 3); \ | |
1397 | dup_8x8b(texture_mask.low, psx_gpu->texture_mask_width); \ | |
1398 | dup_8x8b(texture_mask.high, psx_gpu->texture_mask_height) \ | |
1399 | ||
1400 | ||
1401 | #define setup_blocks_variables_unshaded_untextured_direct() \ | |
1402 | or_8x16b(colors, colors, msb_mask) \ | |
1403 | ||
1404 | #define setup_blocks_variables_unshaded_untextured_indirect() \ | |
1405 | ||
1406 | #define setup_blocks_variables_unshaded_untextured(target) \ | |
1407 | u32 color = psx_gpu->triangle_color; \ | |
1408 | vec_8x16u colors; \ | |
1409 | \ | |
1410 | u32 color_r = color & 0xFF; \ | |
1411 | u32 color_g = (color >> 8) & 0xFF; \ | |
1412 | u32 color_b = (color >> 16) & 0xFF; \ | |
1413 | \ | |
1414 | color = (color_r >> 3) | ((color_g >> 3) << 5) | \ | |
1415 | ((color_b >> 3) << 10); \ | |
1416 | dup_8x16b(colors, color); \ | |
1417 | setup_blocks_variables_unshaded_untextured_##target() \ | |
1418 | ||
1419 | #define setup_blocks_span_initialize_dithered_textured() \ | |
1420 | vec_8x16u dither_offsets; \ | |
1421 | shl_long_8x8b(dither_offsets, dither_offsets_short, 4) \ | |
1422 | ||
1423 | #define setup_blocks_span_initialize_dithered_untextured() \ | |
1424 | vec_8x8u dither_offsets; \ | |
1425 | add_8x8b(dither_offsets, dither_offsets_short, d64_4) \ | |
1426 | ||
1427 | #define setup_blocks_span_initialize_dithered(texturing) \ | |
1428 | u32 dither_row = psx_gpu->dither_table[y & 0x3]; \ | |
1429 | u32 dither_shift = (span_edge_data->left_x & 0x3) * 8; \ | |
1430 | vec_8x8s dither_offsets_short; \ | |
1431 | \ | |
1432 | dither_row = \ | |
1433 | (dither_row >> dither_shift) | (dither_row << (32 - dither_shift)); \ | |
1434 | dup_2x32b(vector_cast(vec_2x32u, dither_offsets_short), dither_row); \ | |
1435 | setup_blocks_span_initialize_dithered_##texturing() \ | |
1436 | ||
1437 | #define setup_blocks_span_initialize_undithered(texturing) \ | |
1438 | ||
1439 | ||
1440 | #define setup_blocks_span_initialize_shaded_textured() \ | |
1441 | { \ | |
1442 | vec_4x32u block_span; \ | |
1443 | u32 offset = span_edge_data->left_x; \ | |
1444 | \ | |
1445 | uvrg = *span_uvrg_offset; \ | |
1446 | mla_scalar_4x32b(uvrg, uvrg_dx, offset); \ | |
1447 | b = *span_b_offset; \ | |
1448 | b += b_dx * offset; \ | |
1449 | \ | |
1450 | dup_4x32b(u_block, uvrg.e[0]); \ | |
1451 | dup_4x32b(v_block, uvrg.e[1]); \ | |
1452 | dup_4x32b(r_block, uvrg.e[2]); \ | |
1453 | dup_4x32b(g_block, uvrg.e[3]); \ | |
1454 | dup_4x32b(b_block, b); \ | |
1455 | \ | |
1456 | block_span = psx_gpu->u_block_span; \ | |
1457 | add_4x32b(u_block, u_block, block_span); \ | |
1458 | block_span = psx_gpu->v_block_span; \ | |
1459 | add_4x32b(v_block, v_block, block_span); \ | |
1460 | block_span = psx_gpu->r_block_span; \ | |
1461 | add_4x32b(r_block, r_block, block_span); \ | |
1462 | block_span = psx_gpu->g_block_span; \ | |
1463 | add_4x32b(g_block, g_block, block_span); \ | |
1464 | block_span = psx_gpu->b_block_span; \ | |
1465 | add_4x32b(b_block, b_block, block_span); \ | |
1466 | } | |
1467 | ||
1468 | #define setup_blocks_span_initialize_shaded_untextured() \ | |
1469 | { \ | |
1470 | vec_4x32u block_span; \ | |
1471 | u32 offset = span_edge_data->left_x; \ | |
1472 | \ | |
1473 | rgb.low = span_uvrg_offset->high; \ | |
1474 | rgb.high.e[0] = *span_b_offset; \ | |
1475 | mla_scalar_4x32b(rgb, rgb_dx, offset); \ | |
1476 | \ | |
1477 | dup_4x32b(r_block, rgb.e[0]); \ | |
1478 | dup_4x32b(g_block, rgb.e[1]); \ | |
1479 | dup_4x32b(b_block, rgb.e[2]); \ | |
1480 | \ | |
1481 | block_span = psx_gpu->r_block_span; \ | |
1482 | add_4x32b(r_block, r_block, block_span); \ | |
1483 | block_span = psx_gpu->g_block_span; \ | |
1484 | add_4x32b(g_block, g_block, block_span); \ | |
1485 | block_span = psx_gpu->b_block_span; \ | |
1486 | add_4x32b(b_block, b_block, block_span); \ | |
1487 | } \ | |
1488 | ||
1489 | #define setup_blocks_span_initialize_unshaded_textured() \ | |
1490 | { \ | |
1491 | vec_4x32u block_span; \ | |
1492 | u32 offset = span_edge_data->left_x; \ | |
1493 | \ | |
1494 | uv = span_uvrg_offset->low; \ | |
1495 | mla_scalar_2x32b(uv, uv_dx, offset); \ | |
1496 | \ | |
1497 | dup_4x32b(u_block, uv.e[0]); \ | |
1498 | dup_4x32b(v_block, uv.e[1]); \ | |
1499 | \ | |
1500 | block_span = psx_gpu->u_block_span; \ | |
1501 | add_4x32b(u_block, u_block, block_span); \ | |
1502 | block_span = psx_gpu->v_block_span; \ | |
1503 | add_4x32b(v_block, v_block, block_span); \ | |
1504 | } \ | |
1505 | ||
1506 | #define setup_blocks_span_initialize_unshaded_untextured() \ | |
1507 | ||
1508 | ||
1509 | #define setup_blocks_texture_swizzled() \ | |
1510 | { \ | |
1511 | vec_8x8u u_saved = u; \ | |
1512 | sli_8x8b(u, v, 4); \ | |
1513 | sri_8x8b(v, u_saved, 4); \ | |
1514 | } \ | |
1515 | ||
1516 | #define setup_blocks_texture_unswizzled() \ | |
1517 | ||
1518 | #define setup_blocks_store_shaded_textured(swizzling, dithering, target, \ | |
1519 | edge_type) \ | |
1520 | { \ | |
1521 | vec_8x16u u_whole; \ | |
1522 | vec_8x16u v_whole; \ | |
1523 | vec_8x16u r_whole; \ | |
1524 | vec_8x16u g_whole; \ | |
1525 | vec_8x16u b_whole; \ | |
1526 | \ | |
1527 | vec_8x8u u; \ | |
1528 | vec_8x8u v; \ | |
1529 | vec_8x8u r; \ | |
1530 | vec_8x8u g; \ | |
1531 | vec_8x8u b; \ | |
1532 | vec_8x16u uv; \ | |
1533 | \ | |
1534 | vec_4x32u dx4; \ | |
1535 | vec_4x32u dx8; \ | |
1536 | \ | |
1537 | shr_narrow_4x32b(u_whole.low, u_block, 16); \ | |
1538 | shr_narrow_4x32b(v_whole.low, v_block, 16); \ | |
1539 | shr_narrow_4x32b(r_whole.low, r_block, 16); \ | |
1540 | shr_narrow_4x32b(g_whole.low, g_block, 16); \ | |
1541 | shr_narrow_4x32b(b_whole.low, b_block, 16); \ | |
1542 | \ | |
1543 | dup_4x32b(dx4, uvrg_dx4.e[0]); \ | |
1544 | add_high_narrow_4x32b(u_whole.high, u_block, dx4); \ | |
1545 | dup_4x32b(dx4, uvrg_dx4.e[1]); \ | |
1546 | add_high_narrow_4x32b(v_whole.high, v_block, dx4); \ | |
1547 | dup_4x32b(dx4, uvrg_dx4.e[2]); \ | |
1548 | add_high_narrow_4x32b(r_whole.high, r_block, dx4); \ | |
1549 | dup_4x32b(dx4, uvrg_dx4.e[3]); \ | |
1550 | add_high_narrow_4x32b(g_whole.high, g_block, dx4); \ | |
1551 | dup_4x32b(dx4, b_dx4); \ | |
1552 | add_high_narrow_4x32b(b_whole.high, b_block, dx4); \ | |
1553 | \ | |
1554 | mov_narrow_8x16b(u, u_whole); \ | |
1555 | mov_narrow_8x16b(v, v_whole); \ | |
1556 | mov_narrow_8x16b(r, r_whole); \ | |
1557 | mov_narrow_8x16b(g, g_whole); \ | |
1558 | mov_narrow_8x16b(b, b_whole); \ | |
1559 | \ | |
1560 | dup_4x32b(dx8, uvrg_dx8.e[0]); \ | |
1561 | add_4x32b(u_block, u_block, dx8); \ | |
1562 | dup_4x32b(dx8, uvrg_dx8.e[1]); \ | |
1563 | add_4x32b(v_block, v_block, dx8); \ | |
1564 | dup_4x32b(dx8, uvrg_dx8.e[2]); \ | |
1565 | add_4x32b(r_block, r_block, dx8); \ | |
1566 | dup_4x32b(dx8, uvrg_dx8.e[3]); \ | |
1567 | add_4x32b(g_block, g_block, dx8); \ | |
1568 | dup_4x32b(dx8, b_dx8); \ | |
1569 | add_4x32b(b_block, b_block, dx8); \ | |
1570 | \ | |
1571 | and_8x8b(u, u, texture_mask.low); \ | |
1572 | and_8x8b(v, v, texture_mask.high); \ | |
1573 | setup_blocks_texture_##swizzling(); \ | |
1574 | \ | |
1575 | zip_8x16b(uv, u, v); \ | |
1576 | block->uv = uv; \ | |
1577 | block->r = r; \ | |
1578 | block->g = g; \ | |
1579 | block->b = b; \ | |
1580 | block->dither_offsets = vector_cast(vec_8x16u, dither_offsets); \ | |
1581 | block->fb_ptr = fb_ptr; \ | |
1582 | } \ | |
1583 | ||
1584 | #define setup_blocks_store_unshaded_textured(swizzling, dithering, target, \ | |
1585 | edge_type) \ | |
1586 | { \ | |
1587 | vec_8x16u u_whole; \ | |
1588 | vec_8x16u v_whole; \ | |
1589 | \ | |
1590 | vec_8x8u u; \ | |
1591 | vec_8x8u v; \ | |
1592 | vec_8x16u uv; \ | |
1593 | \ | |
1594 | vec_4x32u dx4; \ | |
1595 | vec_4x32u dx8; \ | |
1596 | \ | |
1597 | shr_narrow_4x32b(u_whole.low, u_block, 16); \ | |
1598 | shr_narrow_4x32b(v_whole.low, v_block, 16); \ | |
1599 | \ | |
1600 | dup_4x32b(dx4, uv_dx4.e[0]); \ | |
1601 | add_high_narrow_4x32b(u_whole.high, u_block, dx4); \ | |
1602 | dup_4x32b(dx4, uv_dx4.e[1]); \ | |
1603 | add_high_narrow_4x32b(v_whole.high, v_block, dx4); \ | |
1604 | \ | |
1605 | mov_narrow_8x16b(u, u_whole); \ | |
1606 | mov_narrow_8x16b(v, v_whole); \ | |
1607 | \ | |
1608 | dup_4x32b(dx8, uv_dx8.e[0]); \ | |
1609 | add_4x32b(u_block, u_block, dx8); \ | |
1610 | dup_4x32b(dx8, uv_dx8.e[1]); \ | |
1611 | add_4x32b(v_block, v_block, dx8); \ | |
1612 | \ | |
1613 | and_8x8b(u, u, texture_mask.low); \ | |
1614 | and_8x8b(v, v, texture_mask.high); \ | |
1615 | setup_blocks_texture_##swizzling(); \ | |
1616 | \ | |
1617 | zip_8x16b(uv, u, v); \ | |
1618 | block->uv = uv; \ | |
1619 | block->dither_offsets = vector_cast(vec_8x16u, dither_offsets); \ | |
1620 | block->fb_ptr = fb_ptr; \ | |
1621 | } \ | |
1622 | ||
1623 | #define setup_blocks_store_shaded_untextured_dithered() \ | |
1624 | addq_8x8b(r, r, dither_offsets); \ | |
1625 | addq_8x8b(g, g, dither_offsets); \ | |
1626 | addq_8x8b(b, b, dither_offsets); \ | |
1627 | \ | |
1628 | subq_8x8b(r, r, d64_4); \ | |
1629 | subq_8x8b(g, g, d64_4); \ | |
1630 | subq_8x8b(b, b, d64_4) \ | |
1631 | ||
1632 | #define setup_blocks_store_shaded_untextured_undithered() \ | |
1633 | ||
1634 | ||
1635 | #define setup_blocks_store_untextured_pixels_indirect_full(_pixels) \ | |
1636 | block->pixels = _pixels; \ | |
1637 | block->fb_ptr = fb_ptr \ | |
1638 | ||
1639 | #define setup_blocks_store_untextured_pixels_indirect_edge(_pixels) \ | |
1640 | block->pixels = _pixels; \ | |
1641 | block->fb_ptr = fb_ptr \ | |
1642 | ||
1643 | #define setup_blocks_store_shaded_untextured_seed_pixels_indirect() \ | |
1644 | mul_long_8x8b(pixels, r, d64_1) \ | |
1645 | ||
1646 | ||
1647 | #define setup_blocks_store_untextured_pixels_direct_full(_pixels) \ | |
1648 | store_8x16b(_pixels, fb_ptr) \ | |
1649 | ||
1650 | #define setup_blocks_store_untextured_pixels_direct_edge(_pixels) \ | |
1651 | { \ | |
1652 | vec_8x16u fb_pixels; \ | |
1653 | vec_8x16u draw_mask; \ | |
1654 | vec_8x16u test_mask = psx_gpu->test_mask; \ | |
1655 | \ | |
1656 | load_8x16b(fb_pixels, fb_ptr); \ | |
1657 | dup_8x16b(draw_mask, span_edge_data->right_mask); \ | |
1658 | tst_8x16b(draw_mask, draw_mask, test_mask); \ | |
1659 | bif_8x16b(fb_pixels, _pixels, draw_mask); \ | |
1660 | store_8x16b(fb_pixels, fb_ptr); \ | |
1661 | } \ | |
1662 | ||
1663 | #define setup_blocks_store_shaded_untextured_seed_pixels_direct() \ | |
1664 | pixels = msb_mask; \ | |
1665 | mla_long_8x8b(pixels, r, d64_1) \ | |
1666 | ||
1667 | ||
1668 | #define setup_blocks_store_shaded_untextured(swizzling, dithering, target, \ | |
1669 | edge_type) \ | |
1670 | { \ | |
1671 | vec_8x16u r_whole; \ | |
1672 | vec_8x16u g_whole; \ | |
1673 | vec_8x16u b_whole; \ | |
1674 | \ | |
1675 | vec_8x8u r; \ | |
1676 | vec_8x8u g; \ | |
1677 | vec_8x8u b; \ | |
1678 | \ | |
1679 | vec_4x32u dx4; \ | |
1680 | vec_4x32u dx8; \ | |
1681 | \ | |
1682 | vec_8x16u pixels; \ | |
1683 | \ | |
1684 | shr_narrow_4x32b(r_whole.low, r_block, 16); \ | |
1685 | shr_narrow_4x32b(g_whole.low, g_block, 16); \ | |
1686 | shr_narrow_4x32b(b_whole.low, b_block, 16); \ | |
1687 | \ | |
1688 | dup_4x32b(dx4, rgb_dx4.e[0]); \ | |
1689 | add_high_narrow_4x32b(r_whole.high, r_block, dx4); \ | |
1690 | dup_4x32b(dx4, rgb_dx4.e[1]); \ | |
1691 | add_high_narrow_4x32b(g_whole.high, g_block, dx4); \ | |
1692 | dup_4x32b(dx4, rgb_dx4.e[2]); \ | |
1693 | add_high_narrow_4x32b(b_whole.high, b_block, dx4); \ | |
1694 | \ | |
1695 | mov_narrow_8x16b(r, r_whole); \ | |
1696 | mov_narrow_8x16b(g, g_whole); \ | |
1697 | mov_narrow_8x16b(b, b_whole); \ | |
1698 | \ | |
1699 | dup_4x32b(dx8, rgb_dx8.e[0]); \ | |
1700 | add_4x32b(r_block, r_block, dx8); \ | |
1701 | dup_4x32b(dx8, rgb_dx8.e[1]); \ | |
1702 | add_4x32b(g_block, g_block, dx8); \ | |
1703 | dup_4x32b(dx8, rgb_dx8.e[2]); \ | |
1704 | add_4x32b(b_block, b_block, dx8); \ | |
1705 | \ | |
1706 | setup_blocks_store_shaded_untextured_##dithering(); \ | |
1707 | \ | |
1708 | shr_8x8b(r, r, 3); \ | |
1709 | bic_8x8b(g, g, d64_0x07); \ | |
1710 | bic_8x8b(b, b, d64_0x07); \ | |
1711 | \ | |
1712 | setup_blocks_store_shaded_untextured_seed_pixels_##target(); \ | |
1713 | mla_long_8x8b(pixels, g, d64_4); \ | |
1714 | mla_long_8x8b(pixels, b, d64_128) \ | |
1715 | \ | |
1716 | setup_blocks_store_untextured_pixels_##target##_##edge_type(pixels); \ | |
1717 | } \ | |
1718 | ||
1719 | #define setup_blocks_store_unshaded_untextured(swizzling, dithering, target, \ | |
1720 | edge_type) \ | |
1721 | setup_blocks_store_untextured_pixels_##target##_##edge_type(colors) \ | |
1722 | ||
1723 | ||
1724 | #define setup_blocks_store_draw_mask_textured_indirect(_block, bits) \ | |
1725 | (_block)->draw_mask_bits = bits \ | |
1726 | ||
1727 | #define setup_blocks_store_draw_mask_untextured_indirect(_block, bits) \ | |
1728 | { \ | |
1729 | vec_8x16u bits_mask; \ | |
1730 | vec_8x16u test_mask = psx_gpu->test_mask; \ | |
1731 | dup_8x16b(bits_mask, bits); \ | |
1732 | tst_8x16b(bits_mask, bits_mask, test_mask); \ | |
1733 | (_block)->draw_mask = bits_mask; \ | |
1734 | } \ | |
1735 | ||
1736 | #define setup_blocks_store_draw_mask_untextured_direct(_block, bits) \ | |
1737 | ||
1738 | ||
1739 | #define setup_blocks_add_blocks_indirect() \ | |
1740 | num_blocks += span_num_blocks; \ | |
1741 | \ | |
1742 | if(num_blocks > MAX_BLOCKS) \ | |
1743 | { \ | |
1744 | psx_gpu->num_blocks = num_blocks - span_num_blocks; \ | |
1745 | flush_render_block_buffer(psx_gpu); \ | |
1746 | num_blocks = span_num_blocks; \ | |
1747 | block = psx_gpu->blocks; \ | |
1748 | } \ | |
1749 | ||
1750 | #define setup_blocks_add_blocks_direct() \ | |
1751 | ||
1752 | ||
1753 | #define setup_blocks_builder(shading, texturing, dithering, sw, target) \ | |
1754 | void setup_blocks_##shading##_##texturing##_##dithering##_##sw##_##target( \ | |
1755 | psx_gpu_struct *psx_gpu) \ | |
1756 | { \ | |
1757 | setup_blocks_load_msb_mask_##target(); \ | |
1758 | setup_blocks_variables_##shading##_##texturing(target); \ | |
1759 | \ | |
1760 | edge_data_struct *span_edge_data = psx_gpu->span_edge_data; \ | |
1761 | vec_4x32u *span_uvrg_offset = psx_gpu->span_uvrg_offset; \ | |
1762 | u32 *span_b_offset = psx_gpu->span_b_offset; \ | |
1763 | \ | |
1764 | block_struct *block = psx_gpu->blocks + psx_gpu->num_blocks; \ | |
1765 | \ | |
1766 | u32 num_spans = psx_gpu->num_spans; \ | |
1767 | \ | |
1768 | u16 *fb_ptr; \ | |
1769 | u32 y; \ | |
1770 | \ | |
1771 | u32 num_blocks = psx_gpu->num_blocks; \ | |
1772 | u32 span_num_blocks; \ | |
1773 | \ | |
1774 | while(num_spans) \ | |
1775 | { \ | |
1776 | span_num_blocks = span_edge_data->num_blocks; \ | |
1777 | if(span_num_blocks) \ | |
1778 | { \ | |
1779 | y = span_edge_data->y; \ | |
1780 | fb_ptr = psx_gpu->vram_ptr + span_edge_data->left_x + (y * 1024); \ | |
1781 | \ | |
1782 | setup_blocks_span_initialize_##shading##_##texturing(); \ | |
1783 | setup_blocks_span_initialize_##dithering(texturing); \ | |
1784 | \ | |
1785 | setup_blocks_add_blocks_##target(); \ | |
1786 | \ | |
1787 | s32 pixel_span = span_num_blocks * 8; \ | |
1788 | pixel_span -= __builtin_popcount(span_edge_data->right_mask & 0xFF); \ | |
1789 | span_pixels += pixel_span; \ | |
1790 | span_pixel_blocks_unaligned += (pixel_span + 7) / 8; \ | |
1791 | \ | |
1792 | span_num_blocks--; \ | |
1793 | while(span_num_blocks) \ | |
1794 | { \ | |
1795 | setup_blocks_store_##shading##_##texturing(sw, dithering, target, \ | |
1796 | full); \ | |
1797 | setup_blocks_store_draw_mask_##texturing##_##target(block, 0x00); \ | |
1798 | \ | |
1799 | fb_ptr += 8; \ | |
1800 | block++; \ | |
1801 | span_num_blocks--; \ | |
1802 | } \ | |
1803 | \ | |
1804 | setup_blocks_store_##shading##_##texturing(sw, dithering, target, edge); \ | |
1805 | setup_blocks_store_draw_mask_##texturing##_##target(block, \ | |
1806 | span_edge_data->right_mask); \ | |
1807 | \ | |
1808 | block++; \ | |
1809 | } \ | |
1810 | else \ | |
1811 | { \ | |
1812 | zero_block_spans++; \ | |
1813 | } \ | |
1814 | \ | |
1815 | num_spans--; \ | |
1816 | span_edge_data++; \ | |
1817 | span_uvrg_offset++; \ | |
1818 | span_b_offset++; \ | |
1819 | } \ | |
1820 | \ | |
1821 | psx_gpu->num_blocks = num_blocks; \ | |
1822 | } \ | |
1823 | ||
1824 | void setup_blocks_shaded_textured_dithered_unswizzled_indirect(psx_gpu_struct | |
1825 | *psx_gpu); | |
1826 | ||
1827 | void setup_blocks_shaded_untextured_dithered_unswizzled_indirect(psx_gpu_struct | |
1828 | *psx_gpu); | |
1829 | void setup_blocks_shaded_untextured_undithered_unswizzled_indirect( | |
1830 | psx_gpu_struct *psx_gpu); | |
1831 | void setup_blocks_shaded_untextured_dithered_unswizzled_direct(psx_gpu_struct | |
1832 | *psx_gpu); | |
1833 | void setup_blocks_shaded_untextured_undithered_unswizzled_direct( | |
1834 | psx_gpu_struct *psx_gpu); | |
1835 | ||
1836 | void setup_blocks_unshaded_textured_dithered_unswizzled_indirect(psx_gpu_struct | |
1837 | *psx_gpu); | |
1838 | void setup_blocks_unshaded_untextured_undithered_unswizzled_indirect( | |
1839 | psx_gpu_struct *psx_gpu); | |
1840 | void setup_blocks_unshaded_untextured_undithered_unswizzled_direct( | |
1841 | psx_gpu_struct *psx_gpu); | |
1842 | ||
1843 | void setup_blocks_shaded_textured_dithered_swizzled_indirect(psx_gpu_struct | |
1844 | *psx_gpu); | |
1845 | void setup_blocks_unshaded_textured_dithered_swizzled_indirect(psx_gpu_struct | |
1846 | *psx_gpu); | |
1847 | ||
1848 | ||
1849 | //setup_blocks_builder(unshaded, untextured, undithered, unswizzled, direct); | |
1850 | ||
1851 | #ifndef PANDORA_BUILD | |
1852 | ||
1853 | setup_blocks_builder(shaded, textured, dithered, swizzled, indirect); | |
1854 | setup_blocks_builder(shaded, textured, dithered, unswizzled, indirect); | |
1855 | ||
1856 | setup_blocks_builder(unshaded, textured, dithered, unswizzled, indirect); | |
1857 | setup_blocks_builder(unshaded, textured, dithered, swizzled, indirect); | |
1858 | ||
1859 | setup_blocks_builder(shaded, untextured, undithered, unswizzled, indirect); | |
1860 | setup_blocks_builder(shaded, untextured, dithered, unswizzled, indirect); | |
1861 | setup_blocks_builder(shaded, untextured, undithered, unswizzled, direct); | |
1862 | setup_blocks_builder(shaded, untextured, dithered, unswizzled, direct); | |
1863 | ||
1864 | setup_blocks_builder(unshaded, untextured, undithered, unswizzled, indirect); | |
1865 | setup_blocks_builder(unshaded, untextured, undithered, unswizzled, direct); | |
1866 | ||
1867 | #endif | |
1868 | ||
1869 | void texture_blocks_untextured(psx_gpu_struct *psx_gpu); | |
1870 | void texture_blocks_4bpp(psx_gpu_struct *psx_gpu); | |
1871 | void texture_blocks_8bpp(psx_gpu_struct *psx_gpu); | |
1872 | void texture_blocks_16bpp(psx_gpu_struct *psx_gpu); | |
1873 | ||
1874 | #ifndef PANDORA_BUILD | |
1875 | ||
1876 | void texture_blocks_untextured(psx_gpu_struct *psx_gpu) | |
1877 | { | |
1878 | if(psx_gpu->primitive_type != PRIMITIVE_TYPE_SPRITE) | |
1879 | texel_blocks_untextured += psx_gpu->num_blocks; | |
1880 | } | |
1881 | ||
1882 | void texture_blocks_4bpp(psx_gpu_struct *psx_gpu) | |
1883 | { | |
1884 | block_struct *block = psx_gpu->blocks; | |
1885 | u32 num_blocks = psx_gpu->num_blocks; | |
1886 | texel_blocks_4bpp += num_blocks; | |
1887 | ||
1888 | vec_8x8u texels_low; | |
1889 | vec_8x8u texels_high; | |
1890 | vec_8x8u texels; | |
1891 | vec_8x16u pixels; | |
1892 | ||
1893 | vec_8x16u clut_a; | |
1894 | vec_8x16u clut_b; | |
1895 | vec_16x8u clut_low; | |
1896 | vec_16x8u clut_high; | |
1897 | ||
1898 | u8 *texture_ptr_8bpp = psx_gpu->texture_page_ptr; | |
1899 | u16 *clut_ptr = psx_gpu->clut_ptr; | |
1900 | ||
1901 | // Can be done with one deinterleaving load on NEON | |
1902 | load_8x16b(clut_a, clut_ptr); | |
1903 | load_8x16b(clut_b, clut_ptr + 8); | |
1904 | unzip_16x8b(clut_low, clut_high, clut_a, clut_b); | |
1905 | ||
1906 | if(psx_gpu->current_texture_mask & psx_gpu->dirty_textures_4bpp_mask) | |
1907 | update_texture_4bpp_cache(psx_gpu); | |
1908 | ||
1909 | while(num_blocks) | |
1910 | { | |
1911 | texels.e[0] = texture_ptr_8bpp[block->uv.e[0]]; | |
1912 | texels.e[1] = texture_ptr_8bpp[block->uv.e[1]]; | |
1913 | texels.e[2] = texture_ptr_8bpp[block->uv.e[2]]; | |
1914 | texels.e[3] = texture_ptr_8bpp[block->uv.e[3]]; | |
1915 | texels.e[4] = texture_ptr_8bpp[block->uv.e[4]]; | |
1916 | texels.e[5] = texture_ptr_8bpp[block->uv.e[5]]; | |
1917 | texels.e[6] = texture_ptr_8bpp[block->uv.e[6]]; | |
1918 | texels.e[7] = texture_ptr_8bpp[block->uv.e[7]]; | |
1919 | ||
1920 | tbl_16(texels_low, texels, clut_low); | |
1921 | tbl_16(texels_high, texels, clut_high); | |
1922 | ||
1923 | // Can be done with an interleaving store on NEON | |
1924 | zip_8x16b(pixels, texels_low, texels_high); | |
1925 | ||
1926 | block->texels = pixels; | |
1927 | ||
1928 | num_blocks--; | |
1929 | block++; | |
1930 | } | |
1931 | } | |
1932 | ||
1933 | void texture_blocks_8bpp(psx_gpu_struct *psx_gpu) | |
1934 | { | |
1935 | block_struct *block = psx_gpu->blocks; | |
1936 | u32 num_blocks = psx_gpu->num_blocks; | |
1937 | ||
1938 | texel_blocks_8bpp += num_blocks; | |
1939 | ||
1940 | if(psx_gpu->current_texture_mask & psx_gpu->dirty_textures_8bpp_mask) | |
1941 | update_texture_8bpp_cache(psx_gpu); | |
1942 | ||
1943 | vec_8x16u texels; | |
1944 | u8 *texture_ptr_8bpp = psx_gpu->texture_page_ptr; | |
1945 | ||
1946 | u32 texel; | |
1947 | u32 offset; | |
1948 | u32 i; | |
1949 | ||
1950 | while(num_blocks) | |
1951 | { | |
1952 | for(i = 0; i < 8; i++) | |
1953 | { | |
1954 | offset = block->uv.e[i]; | |
1955 | ||
1956 | texel = texture_ptr_8bpp[offset]; | |
1957 | texels.e[i] = psx_gpu->clut_ptr[texel]; | |
1958 | } | |
1959 | ||
1960 | block->texels = texels; | |
1961 | ||
1962 | num_blocks--; | |
1963 | block++; | |
1964 | } | |
1965 | } | |
1966 | ||
1967 | void texture_blocks_16bpp(psx_gpu_struct *psx_gpu) | |
1968 | { | |
1969 | block_struct *block = psx_gpu->blocks; | |
1970 | u32 num_blocks = psx_gpu->num_blocks; | |
1971 | ||
1972 | texel_blocks_16bpp += num_blocks; | |
1973 | ||
1974 | vec_8x16u texels; | |
1975 | ||
1976 | u16 *texture_ptr_16bpp = psx_gpu->texture_page_ptr; | |
1977 | u32 offset; | |
1978 | u32 i; | |
1979 | ||
1980 | while(num_blocks) | |
1981 | { | |
1982 | for(i = 0; i < 8; i++) | |
1983 | { | |
1984 | offset = block->uv.e[i]; | |
1985 | offset += ((offset & 0xFF00) * 3); | |
1986 | ||
1987 | texels.e[i] = texture_ptr_16bpp[offset]; | |
1988 | } | |
1989 | ||
1990 | block->texels = texels; | |
1991 | ||
1992 | num_blocks--; | |
1993 | block++; | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | #endif | |
1998 | ||
1999 | ||
2000 | #define shade_blocks_load_msb_mask_indirect() \ | |
2001 | ||
2002 | #define shade_blocks_load_msb_mask_direct() \ | |
2003 | vec_8x16u msb_mask; \ | |
2004 | dup_8x16b(msb_mask, psx_gpu->mask_msb); \ | |
2005 | ||
2006 | #define shade_blocks_store_indirect(_draw_mask, _pixels) \ | |
2007 | block->draw_mask = _draw_mask; \ | |
2008 | block->pixels = _pixels \ | |
2009 | ||
2010 | #define shade_blocks_store_direct(_draw_mask, _pixels) \ | |
2011 | { \ | |
2012 | vec_8x16u fb_pixels; \ | |
2013 | or_8x16b(_pixels, _pixels, msb_mask); \ | |
2014 | load_8x16b(fb_pixels, block->fb_ptr); \ | |
2015 | bif_8x16b(fb_pixels, _pixels, _draw_mask); \ | |
2016 | store_8x16b(fb_pixels, block->fb_ptr); \ | |
2017 | } \ | |
2018 | ||
2019 | ||
2020 | #define shade_blocks_textured_modulated_shaded_primitive_load() \ | |
2021 | ||
2022 | #define shade_blocks_textured_modulated_unshaded_primitive_load() \ | |
2023 | { \ | |
2024 | u32 color = psx_gpu->triangle_color; \ | |
2025 | dup_8x8b(colors_r, color); \ | |
2026 | dup_8x8b(colors_g, color >> 8); \ | |
2027 | dup_8x8b(colors_b, color >> 16); \ | |
2028 | if(psx_gpu->triangle_color == 0x808080) \ | |
2029 | false_modulated_triangles++; \ | |
2030 | } \ | |
2031 | ||
2032 | #define shade_blocks_textured_modulated_shaded_block_load() \ | |
2033 | colors_r = block->r; \ | |
2034 | colors_g = block->g; \ | |
2035 | colors_b = block->b \ | |
2036 | ||
2037 | #define shade_blocks_textured_modulated_unshaded_block_load() \ | |
2038 | ||
2039 | #define shade_blocks_textured_modulate_dithered(component) \ | |
2040 | pixels_##component = block->dither_offsets; \ | |
2041 | mla_long_8x8b(pixels_##component, texels_##component, colors_##component) \ | |
2042 | ||
2043 | #define shade_blocks_textured_modulate_undithered(component) \ | |
2044 | mul_long_8x8b(pixels_##component, texels_##component, colors_##component) \ | |
2045 | ||
2046 | #define shade_blocks_textured_modulated_builder(shading, dithering, target) \ | |
2047 | void shade_blocks_##shading##_textured_modulated_##dithering##_##target( \ | |
2048 | psx_gpu_struct *psx_gpu) \ | |
2049 | { \ | |
2050 | block_struct *block = psx_gpu->blocks; \ | |
2051 | u32 num_blocks = psx_gpu->num_blocks; \ | |
2052 | vec_8x16u texels; \ | |
2053 | \ | |
2054 | vec_8x8u texels_r; \ | |
2055 | vec_8x8u texels_g; \ | |
2056 | vec_8x8u texels_b; \ | |
2057 | \ | |
2058 | vec_8x8u colors_r; \ | |
2059 | vec_8x8u colors_g; \ | |
2060 | vec_8x8u colors_b; \ | |
2061 | \ | |
2062 | vec_8x8u pixels_r_low; \ | |
2063 | vec_8x8u pixels_g_low; \ | |
2064 | vec_8x8u pixels_b_low; \ | |
2065 | vec_8x16u pixels; \ | |
2066 | \ | |
2067 | vec_8x16u pixels_r; \ | |
2068 | vec_8x16u pixels_g; \ | |
2069 | vec_8x16u pixels_b; \ | |
2070 | \ | |
2071 | vec_8x16u draw_mask; \ | |
2072 | vec_8x16u zero_mask; \ | |
2073 | \ | |
2074 | vec_8x8u d64_0x07; \ | |
2075 | vec_8x8u d64_0x1F; \ | |
2076 | vec_8x8u d64_1; \ | |
2077 | vec_8x8u d64_4; \ | |
2078 | vec_8x8u d64_128; \ | |
2079 | \ | |
2080 | vec_8x16u d128_0x8000; \ | |
2081 | \ | |
2082 | vec_8x16u test_mask = psx_gpu->test_mask; \ | |
2083 | u32 draw_mask_bits; \ | |
2084 | shade_blocks_load_msb_mask_##target(); \ | |
2085 | \ | |
2086 | dup_8x8b(d64_0x07, 0x07); \ | |
2087 | dup_8x8b(d64_0x1F, 0x1F); \ | |
2088 | dup_8x8b(d64_1, 1); \ | |
2089 | dup_8x8b(d64_4, 4); \ | |
2090 | dup_8x8b(d64_128, 128); \ | |
2091 | \ | |
2092 | dup_8x16b(d128_0x8000, 0x8000); \ | |
2093 | \ | |
2094 | shade_blocks_textured_modulated_##shading##_primitive_load(); \ | |
2095 | \ | |
2096 | while(num_blocks) \ | |
2097 | { \ | |
2098 | draw_mask_bits = block->draw_mask_bits; \ | |
2099 | dup_8x16b(draw_mask, draw_mask_bits); \ | |
2100 | tst_8x16b(draw_mask, draw_mask, test_mask); \ | |
2101 | \ | |
2102 | shade_blocks_textured_modulated_##shading##_block_load(); \ | |
2103 | \ | |
2104 | texels = block->texels; \ | |
2105 | \ | |
2106 | mov_narrow_8x16b(texels_r, texels); \ | |
2107 | shr_narrow_8x16b(texels_g, texels, 5); \ | |
2108 | shr_narrow_8x16b(texels_b, texels, 7); \ | |
2109 | \ | |
2110 | and_8x8b(texels_r, texels_r, d64_0x1F); \ | |
2111 | and_8x8b(texels_g, texels_g, d64_0x1F); \ | |
2112 | shr_8x8b(texels_b, texels_b, 3); \ | |
2113 | \ | |
2114 | shade_blocks_textured_modulate_##dithering(r); \ | |
2115 | shade_blocks_textured_modulate_##dithering(g); \ | |
2116 | shade_blocks_textured_modulate_##dithering(b); \ | |
2117 | \ | |
2118 | cmpeqz_8x16b(zero_mask, texels); \ | |
2119 | and_8x16b(pixels, texels, d128_0x8000); \ | |
2120 | \ | |
2121 | shrq_narrow_signed_8x16b(pixels_r_low, pixels_r, 4); \ | |
2122 | shrq_narrow_signed_8x16b(pixels_g_low, pixels_g, 4); \ | |
2123 | shrq_narrow_signed_8x16b(pixels_b_low, pixels_b, 4); \ | |
2124 | \ | |
2125 | or_8x16b(zero_mask, draw_mask, zero_mask); \ | |
2126 | \ | |
2127 | shr_8x8b(pixels_r_low, pixels_r_low, 3); \ | |
2128 | bic_8x8b(pixels_g_low, pixels_g_low, d64_0x07); \ | |
2129 | bic_8x8b(pixels_b_low, pixels_b_low, d64_0x07); \ | |
2130 | \ | |
2131 | mla_long_8x8b(pixels, pixels_r_low, d64_1); \ | |
2132 | mla_long_8x8b(pixels, pixels_g_low, d64_4); \ | |
2133 | mla_long_8x8b(pixels, pixels_b_low, d64_128); \ | |
2134 | \ | |
2135 | shade_blocks_store_##target(zero_mask, pixels); \ | |
2136 | \ | |
2137 | num_blocks--; \ | |
2138 | block++; \ | |
2139 | } \ | |
2140 | } \ | |
2141 | ||
2142 | void shade_blocks_shaded_textured_modulated_dithered_direct(psx_gpu_struct | |
2143 | *psx_gpu); | |
2144 | void shade_blocks_shaded_textured_modulated_undithered_direct(psx_gpu_struct | |
2145 | *psx_gpu); | |
2146 | void shade_blocks_unshaded_textured_modulated_dithered_direct(psx_gpu_struct | |
2147 | *psx_gpu); | |
2148 | void shade_blocks_unshaded_textured_modulated_undithered_direct(psx_gpu_struct | |
2149 | *psx_gpu); | |
2150 | ||
2151 | void shade_blocks_shaded_textured_modulated_dithered_indirect(psx_gpu_struct | |
2152 | *psx_gpu); | |
2153 | void shade_blocks_shaded_textured_modulated_undithered_indirect(psx_gpu_struct | |
2154 | *psx_gpu); | |
2155 | void shade_blocks_unshaded_textured_modulated_dithered_indirect(psx_gpu_struct | |
2156 | *psx_gpu); | |
2157 | void shade_blocks_unshaded_textured_modulated_undithered_indirect(psx_gpu_struct | |
2158 | *psx_gpu); | |
2159 | ||
2160 | #ifndef PANDORA_BUILD | |
2161 | ||
2162 | shade_blocks_textured_modulated_builder(shaded, dithered, direct); | |
2163 | shade_blocks_textured_modulated_builder(shaded, undithered, direct); | |
2164 | shade_blocks_textured_modulated_builder(unshaded, dithered, direct); | |
2165 | shade_blocks_textured_modulated_builder(unshaded, undithered, direct); | |
2166 | ||
2167 | shade_blocks_textured_modulated_builder(shaded, dithered, indirect); | |
2168 | shade_blocks_textured_modulated_builder(shaded, undithered, indirect); | |
2169 | shade_blocks_textured_modulated_builder(unshaded, dithered, indirect); | |
2170 | shade_blocks_textured_modulated_builder(unshaded, undithered, indirect); | |
2171 | ||
2172 | #endif | |
2173 | ||
2174 | ||
2175 | #define shade_blocks_textured_unmodulated_builder(target) \ | |
2176 | void shade_blocks_textured_unmodulated_##target(psx_gpu_struct *psx_gpu) \ | |
2177 | { \ | |
2178 | block_struct *block = psx_gpu->blocks; \ | |
2179 | u32 num_blocks = psx_gpu->num_blocks; \ | |
2180 | vec_8x16u draw_mask; \ | |
2181 | vec_8x16u test_mask = psx_gpu->test_mask; \ | |
2182 | u32 draw_mask_bits; \ | |
2183 | \ | |
2184 | vec_8x16u pixels; \ | |
2185 | shade_blocks_load_msb_mask_##target(); \ | |
2186 | \ | |
2187 | while(num_blocks) \ | |
2188 | { \ | |
2189 | vec_8x16u zero_mask; \ | |
2190 | \ | |
2191 | draw_mask_bits = block->draw_mask_bits; \ | |
2192 | dup_8x16b(draw_mask, draw_mask_bits); \ | |
2193 | tst_8x16b(draw_mask, draw_mask, test_mask); \ | |
2194 | \ | |
2195 | pixels = block->texels; \ | |
2196 | \ | |
2197 | cmpeqz_8x16b(zero_mask, pixels); \ | |
2198 | or_8x16b(zero_mask, draw_mask, zero_mask); \ | |
2199 | \ | |
2200 | shade_blocks_store_##target(zero_mask, pixels); \ | |
2201 | \ | |
2202 | num_blocks--; \ | |
2203 | block++; \ | |
2204 | } \ | |
2205 | } \ | |
2206 | ||
2207 | void shade_blocks_textured_unmodulated_indirect(psx_gpu_struct *psx_gpu); | |
2208 | void shade_blocks_textured_unmodulated_direct(psx_gpu_struct *psx_gpu); | |
2209 | ||
2210 | #ifndef PANDORA_BUILD | |
2211 | ||
2212 | shade_blocks_textured_unmodulated_builder(indirect) | |
2213 | shade_blocks_textured_unmodulated_builder(direct) | |
2214 | ||
2215 | #endif | |
2216 | ||
2217 | ||
2218 | void shade_blocks_unshaded_untextured_indirect(psx_gpu_struct *psx_gpu); | |
2219 | void shade_blocks_unshaded_untextured_direct(psx_gpu_struct *psx_gpu); | |
2220 | ||
2221 | #ifndef PANDORA_BUILD | |
2222 | ||
2223 | void shade_blocks_unshaded_untextured_indirect(psx_gpu_struct *psx_gpu) | |
2224 | { | |
2225 | } | |
2226 | ||
2227 | void shade_blocks_unshaded_untextured_direct(psx_gpu_struct *psx_gpu) | |
2228 | { | |
2229 | block_struct *block = psx_gpu->blocks; | |
2230 | u32 num_blocks = psx_gpu->num_blocks; | |
2231 | ||
2232 | vec_8x16u pixels = block->pixels; | |
2233 | shade_blocks_load_msb_mask_direct(); | |
2234 | ||
2235 | while(num_blocks) | |
2236 | { | |
2237 | shade_blocks_store_direct(block->draw_mask, pixels); | |
2238 | ||
2239 | num_blocks--; | |
2240 | block++; | |
2241 | } | |
2242 | } | |
2243 | ||
2244 | #endif | |
2245 | ||
2246 | void shade_blocks_shaded_untextured(psx_gpu_struct *psx_gpu) | |
2247 | { | |
2248 | } | |
2249 | ||
2250 | ||
2251 | #define blend_blocks_mask_evaluate_on() \ | |
2252 | vec_8x16u mask_pixels; \ | |
2253 | cmpltz_8x16b(mask_pixels, framebuffer_pixels); \ | |
2254 | or_8x16b(draw_mask, draw_mask, mask_pixels) \ | |
2255 | ||
2256 | #define blend_blocks_mask_evaluate_off() \ | |
2257 | ||
2258 | #define blend_blocks_average() \ | |
2259 | { \ | |
2260 | vec_8x16u pixels_no_msb; \ | |
2261 | vec_8x16u fb_pixels_no_msb; \ | |
2262 | \ | |
2263 | vec_8x16u d128_0x0421; \ | |
2264 | vec_8x16u d128_0x8000; \ | |
2265 | \ | |
2266 | dup_8x16b(d128_0x0421, 0x0421); \ | |
2267 | dup_8x16b(d128_0x8000, 0x8000); \ | |
2268 | \ | |
2269 | eor_8x16b(blend_pixels, pixels, framebuffer_pixels); \ | |
2270 | bic_8x16b(pixels_no_msb, pixels, d128_0x8000); \ | |
2271 | and_8x16b(blend_pixels, blend_pixels, d128_0x0421); \ | |
2272 | sub_8x16b(blend_pixels, pixels_no_msb, blend_pixels); \ | |
2273 | bic_8x16b(fb_pixels_no_msb, framebuffer_pixels, d128_0x8000); \ | |
2274 | average_8x16b(blend_pixels, fb_pixels_no_msb, blend_pixels); \ | |
2275 | } \ | |
2276 | ||
2277 | #define blend_blocks_add() \ | |
2278 | { \ | |
2279 | vec_8x16u pixels_rb, pixels_g; \ | |
2280 | vec_8x16u fb_rb, fb_g; \ | |
2281 | \ | |
2282 | vec_8x16u d128_0x7C1F; \ | |
2283 | vec_8x16u d128_0x03E0; \ | |
2284 | \ | |
2285 | dup_8x16b(d128_0x7C1F, 0x7C1F); \ | |
2286 | dup_8x16b(d128_0x03E0, 0x03E0); \ | |
2287 | \ | |
2288 | and_8x16b(pixels_rb, pixels, d128_0x7C1F); \ | |
2289 | and_8x16b(pixels_g, pixels, d128_0x03E0); \ | |
2290 | \ | |
2291 | and_8x16b(fb_rb, framebuffer_pixels, d128_0x7C1F); \ | |
2292 | and_8x16b(fb_g, framebuffer_pixels, d128_0x03E0); \ | |
2293 | \ | |
2294 | add_8x16b(fb_rb, fb_rb, pixels_rb); \ | |
2295 | add_8x16b(fb_g, fb_g, pixels_g); \ | |
2296 | \ | |
2297 | min_16x8b(vector_cast(vec_16x8u, fb_rb), vector_cast(vec_16x8u, fb_rb), \ | |
2298 | vector_cast(vec_16x8u, d128_0x7C1F)); \ | |
2299 | min_8x16b(fb_g, fb_g, d128_0x03E0); \ | |
2300 | \ | |
2301 | or_8x16b(blend_pixels, fb_rb, fb_g); \ | |
2302 | } \ | |
2303 | ||
2304 | #define blend_blocks_subtract() \ | |
2305 | { \ | |
2306 | vec_8x16u pixels_rb, pixels_g; \ | |
2307 | vec_8x16u fb_rb, fb_g; \ | |
2308 | \ | |
2309 | vec_8x16u d128_0x7C1F; \ | |
2310 | vec_8x16u d128_0x03E0; \ | |
2311 | \ | |
2312 | dup_8x16b(d128_0x7C1F, 0x7C1F); \ | |
2313 | dup_8x16b(d128_0x03E0, 0x03E0); \ | |
2314 | \ | |
2315 | and_8x16b(pixels_rb, pixels, d128_0x7C1F); \ | |
2316 | and_8x16b(pixels_g, pixels, d128_0x03E0); \ | |
2317 | \ | |
2318 | and_8x16b(fb_rb, framebuffer_pixels, d128_0x7C1F); \ | |
2319 | and_8x16b(fb_g, framebuffer_pixels, d128_0x03E0); \ | |
2320 | \ | |
2321 | subs_16x8b(vector_cast(vec_16x8u, fb_rb), \ | |
2322 | vector_cast(vec_16x8u, fb_rb), vector_cast(vec_16x8u, pixels_rb)); \ | |
2323 | subs_8x16b(fb_g, fb_g, pixels_g); \ | |
2324 | \ | |
2325 | or_8x16b(blend_pixels, fb_rb, fb_g); \ | |
2326 | } \ | |
2327 | ||
2328 | #define blend_blocks_add_fourth() \ | |
2329 | { \ | |
2330 | vec_8x16u pixels_rb, pixels_g; \ | |
2331 | vec_8x16u pixels_fourth; \ | |
2332 | vec_8x16u fb_rb, fb_g; \ | |
2333 | \ | |
2334 | vec_8x16u d128_0x7C1F; \ | |
2335 | vec_8x16u d128_0x1C07; \ | |
2336 | vec_8x16u d128_0x03E0; \ | |
2337 | vec_8x16u d128_0x00E0; \ | |
2338 | \ | |
2339 | dup_8x16b(d128_0x7C1F, 0x7C1F); \ | |
2340 | dup_8x16b(d128_0x1C07, 0x1C07); \ | |
2341 | dup_8x16b(d128_0x03E0, 0x03E0); \ | |
2342 | dup_8x16b(d128_0x00E0, 0x00E0); \ | |
2343 | \ | |
2344 | shr_8x16b(pixels_fourth, vector_cast(vec_8x16s, pixels), 2); \ | |
2345 | \ | |
2346 | and_8x16b(fb_rb, framebuffer_pixels, d128_0x7C1F); \ | |
2347 | and_8x16b(fb_g, framebuffer_pixels, d128_0x03E0); \ | |
2348 | \ | |
2349 | and_8x16b(pixels_rb, pixels_fourth, d128_0x1C07); \ | |
2350 | and_8x16b(pixels_g, pixels_fourth, d128_0x00E0); \ | |
2351 | \ | |
2352 | add_8x16b(fb_rb, fb_rb, pixels_rb); \ | |
2353 | add_8x16b(fb_g, fb_g, pixels_g); \ | |
2354 | \ | |
2355 | min_16x8b(vector_cast(vec_16x8u, fb_rb), vector_cast(vec_16x8u, fb_rb), \ | |
2356 | vector_cast(vec_16x8u, d128_0x7C1F)); \ | |
2357 | min_8x16b(fb_g, fb_g, d128_0x03E0); \ | |
2358 | \ | |
2359 | or_8x16b(blend_pixels, fb_rb, fb_g); \ | |
2360 | } \ | |
2361 | ||
2362 | #define blend_blocks_blended_combine_textured() \ | |
2363 | { \ | |
2364 | vec_8x16u blend_mask; \ | |
2365 | cmpltz_8x16b(blend_mask, pixels); \ | |
2366 | \ | |
2367 | or_immediate_8x16b(blend_pixels, blend_pixels, 0x8000); \ | |
2368 | bif_8x16b(blend_pixels, pixels, blend_mask); \ | |
2369 | } \ | |
2370 | ||
2371 | #define blend_blocks_blended_combine_untextured() \ | |
2372 | ||
2373 | ||
2374 | #define blend_blocks_body_blend(blend_mode, texturing) \ | |
2375 | { \ | |
2376 | blend_blocks_##blend_mode(); \ | |
2377 | blend_blocks_blended_combine_##texturing(); \ | |
2378 | } \ | |
2379 | ||
2380 | #define blend_blocks_body_average(texturing) \ | |
2381 | blend_blocks_body_blend(average, texturing) \ | |
2382 | ||
2383 | #define blend_blocks_body_add(texturing) \ | |
2384 | blend_blocks_body_blend(add, texturing) \ | |
2385 | ||
2386 | #define blend_blocks_body_subtract(texturing) \ | |
2387 | blend_blocks_body_blend(subtract, texturing) \ | |
2388 | ||
2389 | #define blend_blocks_body_add_fourth(texturing) \ | |
2390 | blend_blocks_body_blend(add_fourth, texturing) \ | |
2391 | ||
2392 | #define blend_blocks_body_unblended(texturing) \ | |
2393 | blend_pixels = pixels \ | |
2394 | ||
2395 | ||
2396 | #define blend_blocks_builder(texturing, blend_mode, mask_evaluate) \ | |
2397 | void \ | |
2398 | blend_blocks_##texturing##_##blend_mode##_##mask_evaluate(psx_gpu_struct \ | |
2399 | *psx_gpu) \ | |
2400 | { \ | |
2401 | block_struct *block = psx_gpu->blocks; \ | |
2402 | u32 num_blocks = psx_gpu->num_blocks; \ | |
2403 | vec_8x16u draw_mask; \ | |
2404 | vec_8x16u pixels; \ | |
2405 | vec_8x16u blend_pixels; \ | |
2406 | vec_8x16u framebuffer_pixels; \ | |
2407 | vec_8x16u msb_mask; \ | |
2408 | \ | |
2409 | u16 *fb_ptr; \ | |
2410 | \ | |
2411 | dup_8x16b(msb_mask, psx_gpu->mask_msb); \ | |
2412 | \ | |
2413 | while(num_blocks) \ | |
2414 | { \ | |
2415 | pixels = block->pixels; \ | |
2416 | draw_mask = block->draw_mask; \ | |
2417 | fb_ptr = block->fb_ptr; \ | |
2418 | \ | |
2419 | load_8x16b(framebuffer_pixels, fb_ptr); \ | |
2420 | \ | |
2421 | blend_blocks_mask_evaluate_##mask_evaluate(); \ | |
2422 | blend_blocks_body_##blend_mode(texturing); \ | |
2423 | \ | |
2424 | or_8x16b(blend_pixels, blend_pixels, msb_mask); \ | |
2425 | bif_8x16b(framebuffer_pixels, blend_pixels, draw_mask); \ | |
2426 | store_8x16b(framebuffer_pixels, fb_ptr); \ | |
2427 | \ | |
2428 | blend_blocks++; \ | |
2429 | num_blocks--; \ | |
2430 | block++; \ | |
2431 | } \ | |
2432 | } \ | |
2433 | ||
2434 | void blend_blocks_textured_average_off(psx_gpu_struct *psx_gpu); | |
2435 | void blend_blocks_textured_average_on(psx_gpu_struct *psx_gpu); | |
2436 | void blend_blocks_textured_add_off(psx_gpu_struct *psx_gpu); | |
2437 | void blend_blocks_textured_add_on(psx_gpu_struct *psx_gpu); | |
2438 | void blend_blocks_textured_subtract_off(psx_gpu_struct *psx_gpu); | |
2439 | void blend_blocks_textured_subtract_on(psx_gpu_struct *psx_gpu); | |
2440 | void blend_blocks_textured_add_fourth_off(psx_gpu_struct *psx_gpu); | |
2441 | void blend_blocks_textured_add_fourth_on(psx_gpu_struct *psx_gpu); | |
2442 | ||
2443 | void blend_blocks_untextured_average_off(psx_gpu_struct *psx_gpu); | |
2444 | void blend_blocks_untextured_average_on(psx_gpu_struct *psx_gpu); | |
2445 | void blend_blocks_untextured_add_off(psx_gpu_struct *psx_gpu); | |
2446 | void blend_blocks_untextured_add_on(psx_gpu_struct *psx_gpu); | |
2447 | void blend_blocks_untextured_subtract_off(psx_gpu_struct *psx_gpu); | |
2448 | void blend_blocks_untextured_subtract_on(psx_gpu_struct *psx_gpu); | |
2449 | void blend_blocks_untextured_add_fourth_off(psx_gpu_struct *psx_gpu); | |
2450 | void blend_blocks_untextured_add_fourth_on(psx_gpu_struct *psx_gpu); | |
2451 | ||
2452 | void blend_blocks_textured_unblended_off(psx_gpu_struct *psx_gpu); | |
2453 | void blend_blocks_textured_unblended_on(psx_gpu_struct *psx_gpu); | |
2454 | ||
2455 | #ifndef PANDORA_BUILD | |
2456 | ||
2457 | void blend_blocks_textured_unblended_off(psx_gpu_struct *psx_gpu) | |
2458 | { | |
2459 | } | |
2460 | ||
2461 | blend_blocks_builder(textured, average, off); | |
2462 | blend_blocks_builder(textured, average, on); | |
2463 | blend_blocks_builder(textured, add, off); | |
2464 | blend_blocks_builder(textured, add, on); | |
2465 | blend_blocks_builder(textured, subtract, off); | |
2466 | blend_blocks_builder(textured, subtract, on); | |
2467 | blend_blocks_builder(textured, add_fourth, off); | |
2468 | blend_blocks_builder(textured, add_fourth, on); | |
2469 | ||
2470 | blend_blocks_builder(untextured, average, off); | |
2471 | blend_blocks_builder(untextured, average, on); | |
2472 | blend_blocks_builder(untextured, add, off); | |
2473 | blend_blocks_builder(untextured, add, on); | |
2474 | blend_blocks_builder(untextured, subtract, off); | |
2475 | blend_blocks_builder(untextured, subtract, on); | |
2476 | blend_blocks_builder(untextured, add_fourth, off); | |
2477 | blend_blocks_builder(untextured, add_fourth, on); | |
2478 | ||
2479 | blend_blocks_builder(textured, unblended, on); | |
2480 | ||
2481 | #endif | |
2482 | ||
2483 | ||
2484 | #define vertex_swap(_a, _b) \ | |
2485 | { \ | |
2486 | vertex_struct *temp_vertex = _a; \ | |
2487 | _a = _b; \ | |
2488 | _b = temp_vertex; \ | |
2489 | triangle_winding ^= 1; \ | |
2490 | } \ | |
2491 | ||
2492 | ||
2493 | // Setup blocks parametric-variables: | |
2494 | // SHADE TEXTURE_MAP SWIZZLING | |
2495 | // 0 0 x | |
2496 | // 0 1 0 | |
2497 | // 0 1 1 | |
2498 | // 1 0 x | |
2499 | // 1 1 0 | |
2500 | // 1 1 1 | |
2501 | // 8 inputs, 6 combinations | |
2502 | ||
2503 | #define setup_blocks_switch_untextured_unshaded(dithering, target) \ | |
2504 | setup_blocks_unshaded_untextured_undithered_unswizzled_##target \ | |
2505 | ||
2506 | #define setup_blocks_switch_untextured_shaded(dithering, target) \ | |
2507 | setup_blocks_shaded_untextured_##dithering##_unswizzled_##target \ | |
2508 | ||
2509 | #define setup_blocks_switch_untextured(shading, texture_mode, dithering, \ | |
2510 | target) \ | |
2511 | setup_blocks_switch_untextured_##shading(dithering, target) \ | |
2512 | ||
2513 | #define setup_blocks_switch_texture_mode_4bpp(shading) \ | |
2514 | setup_blocks_##shading##_textured_dithered_swizzled_indirect \ | |
2515 | ||
2516 | #define setup_blocks_switch_texture_mode_8bpp(shading) \ | |
2517 | setup_blocks_##shading##_textured_dithered_swizzled_indirect \ | |
2518 | ||
2519 | #define setup_blocks_switch_texture_mode_16bpp(shading) \ | |
2520 | setup_blocks_##shading##_textured_dithered_unswizzled_indirect \ | |
2521 | ||
2522 | #define setup_blocks_switch_textured(shading, texture_mode, dithering, target) \ | |
2523 | setup_blocks_switch_texture_mode_##texture_mode(shading) \ | |
2524 | ||
2525 | #define setup_blocks_switch_blended(shading, texturing, texture_mode, \ | |
2526 | dithering, mask_evaluate) \ | |
2527 | setup_blocks_switch_##texturing(shading, texture_mode, dithering, indirect) \ | |
2528 | ||
2529 | #define setup_blocks_switch_unblended_on(shading, texturing, texture_mode, \ | |
2530 | dithering) \ | |
2531 | setup_blocks_switch_##texturing(shading, texture_mode, dithering, indirect) \ | |
2532 | ||
2533 | #define setup_blocks_switch_unblended_off(shading, texturing, texture_mode, \ | |
2534 | dithering) \ | |
2535 | setup_blocks_switch_##texturing(shading, texture_mode, dithering, direct) \ | |
2536 | ||
2537 | #define setup_blocks_switch_unblended(shading, texturing, texture_mode, \ | |
2538 | dithering, mask_evaluate) \ | |
2539 | setup_blocks_switch_unblended_##mask_evaluate(shading, texturing, \ | |
2540 | texture_mode, dithering) \ | |
2541 | ||
2542 | #define setup_blocks_switch(shading, texturing, texture_mode, dithering, \ | |
2543 | blending, mask_evaluate) \ | |
2544 | setup_blocks_switch_##blending(shading, texturing, texture_mode, \ | |
2545 | dithering, mask_evaluate) \ | |
2546 | ||
2547 | ||
2548 | // Texture blocks: | |
2549 | ||
2550 | #define texture_blocks_switch_untextured(texture_mode) \ | |
2551 | texture_blocks_untextured \ | |
2552 | ||
2553 | #define texture_blocks_switch_textured(texture_mode) \ | |
2554 | texture_blocks_##texture_mode \ | |
2555 | ||
2556 | #define texture_blocks_switch(texturing, texture_mode) \ | |
2557 | texture_blocks_switch_##texturing(texture_mode) \ | |
2558 | ||
2559 | ||
2560 | // Shade blocks parametric-variables: | |
2561 | // SHADE TEXTURE_MAP MODULATE_TEXELS dither_mode | |
2562 | // 0 0 x x | |
2563 | // 0 1 0 0 | |
2564 | // 0 1 0 1 | |
2565 | // x 1 1 x | |
2566 | // 1 0 x 0 | |
2567 | // 1 0 x 1 | |
2568 | // 1 1 0 0 | |
2569 | // 1 1 0 1 | |
2570 | // 16 inputs, 8 combinations | |
2571 | ||
2572 | #define shade_blocks_switch_unshaded_untextured(modulation, dithering, target) \ | |
2573 | shade_blocks_unshaded_untextured_##target \ | |
2574 | ||
2575 | #define shade_blocks_switch_unshaded_textured_unmodulated(dithering, target) \ | |
2576 | shade_blocks_textured_unmodulated_##target \ | |
2577 | ||
2578 | #define shade_blocks_switch_unshaded_textured_modulated(dithering, target) \ | |
2579 | shade_blocks_unshaded_textured_modulated_##dithering##_##target \ | |
2580 | ||
2581 | #define shade_blocks_switch_unshaded_textured(modulation, dithering, target) \ | |
2582 | shade_blocks_switch_unshaded_textured_##modulation(dithering, target) \ | |
2583 | ||
2584 | #define shade_blocks_switch_unshaded(texturing, modulation, dithering, target) \ | |
2585 | shade_blocks_switch_unshaded_##texturing(modulation, dithering, target) \ | |
2586 | ||
2587 | #define shade_blocks_switch_shaded_untextured(modulation, dithering, target) \ | |
2588 | shade_blocks_shaded_untextured \ | |
2589 | ||
2590 | #define shade_blocks_switch_shaded_textured_unmodulated(dithering, target) \ | |
2591 | shade_blocks_textured_unmodulated_##target \ | |
2592 | ||
2593 | #define shade_blocks_switch_shaded_textured_modulated(dithering, target) \ | |
2594 | shade_blocks_shaded_textured_modulated_##dithering##_##target \ | |
2595 | ||
2596 | #define shade_blocks_switch_shaded_textured(modulation, dithering, target) \ | |
2597 | shade_blocks_switch_shaded_textured_##modulation(dithering, target) \ | |
2598 | ||
2599 | #define shade_blocks_switch_shaded(texturing, modulation, dithering, target) \ | |
2600 | shade_blocks_switch_shaded_##texturing(modulation, dithering, target) \ | |
2601 | ||
2602 | #define shade_blocks_switch_mask_off(shading, texturing, modulation, \ | |
2603 | dithering) \ | |
2604 | shade_blocks_switch_##shading(texturing, modulation, dithering, direct) \ | |
2605 | ||
2606 | #define shade_blocks_switch_mask_on(shading, texturing, modulation, \ | |
2607 | dithering) \ | |
2608 | shade_blocks_switch_##shading(texturing, modulation, dithering, indirect) \ | |
2609 | ||
2610 | #define shade_blocks_switch_blended(shading, texturing, modulation, dithering, \ | |
2611 | mask_evaluate) \ | |
2612 | shade_blocks_switch_##shading(texturing, modulation, dithering, indirect) \ | |
2613 | ||
2614 | #define shade_blocks_switch_unblended(shading, texturing, modulation, \ | |
2615 | dithering, mask_evaluate) \ | |
2616 | shade_blocks_switch_mask_##mask_evaluate(shading, texturing, modulation, \ | |
2617 | dithering) \ | |
2618 | ||
2619 | #define shade_blocks_switch(shading, texturing, modulation, dithering, \ | |
2620 | blending, mask_evaluate) \ | |
2621 | shade_blocks_switch_##blending(shading, texturing, modulation, dithering, \ | |
2622 | mask_evaluate) \ | |
2623 | ||
2624 | ||
2625 | // Blend blocks parametric-variables: | |
2626 | // TEXTURE_MAP BLEND BM_A BM_B mask_evaluate | |
2627 | // x 0 x x 0 | |
2628 | // x 0 x x 1 | |
2629 | // 0 1 0 0 0 | |
2630 | // 0 1 0 0 1 | |
2631 | // 0 1 0 1 0 | |
2632 | // 0 1 0 1 1 | |
2633 | // 0 1 1 0 0 | |
2634 | // 0 1 1 0 1 | |
2635 | // 0 1 1 1 0 | |
2636 | // 0 1 1 1 1 | |
2637 | // 1 1 0 0 0 | |
2638 | // 1 1 0 0 1 | |
2639 | // 1 1 0 1 0 | |
2640 | // 1 1 0 1 1 | |
2641 | // 1 1 1 0 0 | |
2642 | // 1 1 1 0 1 | |
2643 | // 1 1 1 1 0 | |
2644 | // 1 1 1 1 1 | |
2645 | // 32 inputs, 18 combinations | |
2646 | ||
2647 | #define blend_blocks_switch_unblended(texturing, blend_mode, mask_evaluate) \ | |
2648 | blend_blocks_textured_unblended_##mask_evaluate \ | |
2649 | ||
2650 | #define blend_blocks_switch_blended(texturing, blend_mode, mask_evaluate) \ | |
2651 | blend_blocks_##texturing##_##blend_mode##_##mask_evaluate \ | |
2652 | ||
2653 | #define blend_blocks_switch(texturing, blending, blend_mode, mask_evaluate) \ | |
2654 | blend_blocks_switch_##blending(texturing, blend_mode, mask_evaluate) \ | |
2655 | ||
2656 | ||
2657 | #define render_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
2658 | mask_evaluate, shading, dithering, texturing, blending, modulation) \ | |
2659 | { \ | |
2660 | setup_blocks_switch(shading, texturing, texture_mode, dithering, blending, \ | |
2661 | mask_evaluate), \ | |
2662 | texture_blocks_switch(texturing, texture_mode), \ | |
2663 | shade_blocks_switch(shading, texturing, modulation, dithering, blending, \ | |
2664 | mask_evaluate), \ | |
2665 | blend_blocks_switch(texturing, blending, blend_mode, mask_evaluate) \ | |
2666 | } \ | |
2667 | ||
2668 | #define render_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
2669 | mask_evaluate, shading, dithering, texturing, blending) \ | |
2670 | render_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
2671 | mask_evaluate, shading, dithering, texturing, blending, modulated), \ | |
2672 | render_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
2673 | mask_evaluate, shading, dithering, texturing, blending, unmodulated) \ | |
2674 | ||
2675 | #define render_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
2676 | mask_evaluate, shading, dithering, texturing) \ | |
2677 | render_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
2678 | mask_evaluate, shading, dithering, texturing, unblended), \ | |
2679 | render_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
2680 | mask_evaluate, shading, dithering, texturing, blended) \ | |
2681 | ||
2682 | #define render_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
2683 | mask_evaluate, shading, dithering) \ | |
2684 | render_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
2685 | mask_evaluate, shading, dithering, untextured), \ | |
2686 | render_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
2687 | mask_evaluate, shading, dithering, textured) \ | |
2688 | ||
2689 | #define render_blocks_switch_block_shading(texture_mode, blend_mode, \ | |
2690 | mask_evaluate, shading) \ | |
2691 | render_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
2692 | mask_evaluate, shading, undithered), \ | |
2693 | render_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
2694 | mask_evaluate, shading, dithered) \ | |
2695 | ||
2696 | #define render_blocks_switch_block_mask_evaluate(texture_mode, blend_mode, \ | |
2697 | mask_evaluate) \ | |
2698 | render_blocks_switch_block_shading(texture_mode, blend_mode, mask_evaluate, \ | |
2699 | unshaded), \ | |
2700 | render_blocks_switch_block_shading(texture_mode, blend_mode, mask_evaluate, \ | |
2701 | shaded) \ | |
2702 | ||
2703 | #define render_blocks_switch_block_blend_mode(texture_mode, blend_mode) \ | |
2704 | render_blocks_switch_block_mask_evaluate(texture_mode, blend_mode, off), \ | |
2705 | render_blocks_switch_block_mask_evaluate(texture_mode, blend_mode, on) \ | |
2706 | ||
2707 | #define render_blocks_switch_block_texture_mode(texture_mode) \ | |
2708 | render_blocks_switch_block_blend_mode(texture_mode, average), \ | |
2709 | render_blocks_switch_block_blend_mode(texture_mode, add), \ | |
2710 | render_blocks_switch_block_blend_mode(texture_mode, subtract), \ | |
2711 | render_blocks_switch_block_blend_mode(texture_mode, add_fourth) \ | |
2712 | ||
2713 | #define render_blocks_switch_block() \ | |
2714 | render_blocks_switch_block_texture_mode(4bpp), \ | |
2715 | render_blocks_switch_block_texture_mode(8bpp), \ | |
2716 | render_blocks_switch_block_texture_mode(16bpp), \ | |
2717 | render_blocks_switch_block_texture_mode(4bpp) \ | |
2718 | ||
2719 | ||
2720 | render_block_handler_struct render_triangle_block_handlers[] = | |
2721 | { | |
2722 | render_blocks_switch_block() | |
2723 | }; | |
2724 | ||
2725 | #undef render_blocks_switch_block_modulation | |
2726 | ||
2727 | #define render_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
2728 | mask_evaluate, shading, dithering, texturing, blending, modulation) \ | |
2729 | "render flags:\n" \ | |
2730 | "texture mode: " #texture_mode "\n" \ | |
2731 | "blend mode: " #blend_mode "\n" \ | |
2732 | "mask evaluation: " #mask_evaluate "\n" \ | |
2733 | #shading "\n" \ | |
2734 | #dithering "\n" \ | |
2735 | #texturing "\n" \ | |
2736 | #blending "\n" \ | |
2737 | #modulation "\n" \ | |
2738 | ||
2739 | char *render_block_flag_strings[] = | |
2740 | { | |
2741 | render_blocks_switch_block() | |
2742 | }; | |
2743 | ||
2744 | ||
2745 | #define triangle_y_direction_up 1 | |
2746 | #define triangle_y_direction_flat 2 | |
2747 | #define triangle_y_direction_down 0 | |
2748 | ||
2749 | #define triangle_winding_positive 0 | |
2750 | #define triangle_winding_negative 1 | |
2751 | ||
2752 | #define triangle_set_direction(direction_variable, value) \ | |
2753 | u32 direction_variable = (u32)(value) >> 31; \ | |
2754 | if(value == 0) \ | |
2755 | direction_variable = 2 \ | |
2756 | ||
2757 | #define triangle_case(direction_a, direction_b, direction_c, winding) \ | |
2758 | case (triangle_y_direction_##direction_a | \ | |
2759 | (triangle_y_direction_##direction_b << 2) | \ | |
2760 | (triangle_y_direction_##direction_c << 4) | \ | |
2761 | (triangle_winding_##winding << 6)) \ | |
2762 | ||
2763 | psx_gpu_struct __attribute__((aligned(64))) psx_gpu_alt; | |
2764 | ||
2765 | void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, | |
2766 | u32 flags) | |
2767 | { | |
2768 | s32 y_top, y_bottom; | |
2769 | s32 triangle_area; | |
2770 | u32 triangle_winding = 0; | |
2771 | ||
2772 | vertex_struct *a = &(vertexes[0]); | |
2773 | vertex_struct *b = &(vertexes[1]); | |
2774 | vertex_struct *c = &(vertexes[2]); | |
2775 | ||
2776 | triangle_area = triangle_signed_area_x2(a->x, a->y, b->x, b->y, c->x, c->y); | |
2777 | ||
2778 | triangles++; | |
2779 | ||
2780 | if(triangle_area == 0) | |
2781 | { | |
2782 | trivial_rejects++; | |
2783 | return; | |
2784 | } | |
2785 | ||
2786 | if(b->y < a->y) | |
2787 | vertex_swap(a, b); | |
2788 | ||
2789 | if(c->y < b->y) | |
2790 | { | |
2791 | vertex_swap(b, c); | |
2792 | ||
2793 | if(b->y < a->y) | |
2794 | vertex_swap(a, b); | |
2795 | } | |
2796 | ||
2797 | y_bottom = c->y; | |
2798 | y_top = a->y; | |
2799 | ||
2800 | if((y_bottom - y_top) >= 512) | |
2801 | { | |
2802 | trivial_rejects++; | |
2803 | return; | |
2804 | } | |
2805 | ||
2806 | if(triangle_area < 0) | |
2807 | { | |
2808 | triangle_area = -triangle_area; | |
2809 | triangle_winding ^= 1; | |
2810 | vertex_swap(a, c); | |
2811 | } | |
2812 | ||
2813 | if(b->x < a->x) | |
2814 | vertex_swap(a, b); | |
2815 | ||
2816 | if(c->x < b->x) | |
2817 | { | |
2818 | vertex_swap(b, c); | |
2819 | ||
2820 | if(b->x < a->x) | |
2821 | vertex_swap(a, b); | |
2822 | } | |
2823 | ||
2824 | if((c->x - a->x) >= 1024) | |
2825 | { | |
2826 | trivial_rejects++; | |
2827 | return; | |
2828 | } | |
2829 | ||
2830 | if(invalidate_texture_cache_region_viewport(psx_gpu, a->x, y_top, c->x, | |
2831 | y_bottom) == 0) | |
2832 | { | |
2833 | trivial_rejects++; | |
2834 | return; | |
2835 | } | |
2836 | ||
2837 | psx_gpu->num_spans = 0; | |
2838 | psx_gpu->triangle_area = triangle_area; | |
2839 | psx_gpu->triangle_winding = triangle_winding; | |
2840 | ||
2841 | s32 y_delta_a = b->y - a->y; | |
2842 | s32 y_delta_b = c->y - b->y; | |
2843 | s32 y_delta_c = c->y - a->y; | |
2844 | ||
2845 | triangle_set_direction(y_direction_a, y_delta_a); | |
2846 | triangle_set_direction(y_direction_b, y_delta_b); | |
2847 | triangle_set_direction(y_direction_c, y_delta_c); | |
2848 | ||
2849 | compute_all_gradients(psx_gpu, a, b, c); | |
2850 | ||
2851 | switch(y_direction_a | (y_direction_b << 2) | (y_direction_c << 4) | | |
2852 | (triangle_winding << 6)) | |
2853 | { | |
2854 | triangle_case(up, up, up, negative): | |
2855 | triangle_case(up, up, flat, negative): | |
2856 | triangle_case(up, up, down, negative): | |
2857 | setup_spans_up_right(psx_gpu, a, b, c); | |
2858 | break; | |
2859 | ||
2860 | triangle_case(flat, up, up, negative): | |
2861 | triangle_case(flat, up, flat, negative): | |
2862 | triangle_case(flat, up, down, negative): | |
2863 | setup_spans_up_a(psx_gpu, a, b, c); | |
2864 | break; | |
2865 | ||
2866 | triangle_case(down, up, up, negative): | |
2867 | setup_spans_up_down(psx_gpu, a, c, b); | |
2868 | break; | |
2869 | ||
2870 | triangle_case(down, up, flat, negative): | |
2871 | setup_spans_down_a(psx_gpu, a, c, b); | |
2872 | break; | |
2873 | ||
2874 | triangle_case(down, up, down, negative): | |
2875 | setup_spans_down_right(psx_gpu, a, c, b); | |
2876 | break; | |
2877 | ||
2878 | triangle_case(down, flat, up, negative): | |
2879 | triangle_case(down, flat, flat, negative): | |
2880 | triangle_case(down, flat, down, negative): | |
2881 | setup_spans_down_b(psx_gpu, a, b, c); | |
2882 | break; | |
2883 | ||
2884 | triangle_case(down, down, up, negative): | |
2885 | triangle_case(down, down, flat, negative): | |
2886 | triangle_case(down, down, down, negative): | |
2887 | setup_spans_down_left(psx_gpu, a, b, c); | |
2888 | break; | |
2889 | ||
2890 | triangle_case(up, up, up, positive): | |
2891 | triangle_case(up, up, flat, positive): | |
2892 | triangle_case(up, up, down, positive): | |
2893 | setup_spans_up_left(psx_gpu, a, b, c); | |
2894 | break; | |
2895 | ||
2896 | triangle_case(up, flat, up, positive): | |
2897 | triangle_case(up, flat, flat, positive): | |
2898 | triangle_case(up, flat, down, positive): | |
2899 | setup_spans_up_b(psx_gpu, a, b, c); | |
2900 | break; | |
2901 | ||
2902 | triangle_case(up, down, up, positive): | |
2903 | setup_spans_up_right(psx_gpu, a, c, b); | |
2904 | break; | |
2905 | ||
2906 | triangle_case(up, down, flat, positive): | |
2907 | setup_spans_up_a(psx_gpu, a, c, b); | |
2908 | break; | |
2909 | ||
2910 | triangle_case(up, down, down, positive): | |
2911 | setup_spans_up_down(psx_gpu, a, b, c); | |
2912 | break; | |
2913 | ||
2914 | triangle_case(flat, down, up, positive): | |
2915 | triangle_case(flat, down, flat, positive): | |
2916 | triangle_case(flat, down, down, positive): | |
2917 | setup_spans_down_a(psx_gpu, a, b, c); | |
2918 | break; | |
2919 | ||
2920 | triangle_case(down, down, up, positive): | |
2921 | triangle_case(down, down, flat, positive): | |
2922 | triangle_case(down, down, down, positive): | |
2923 | setup_spans_down_right(psx_gpu, a, b, c); | |
2924 | break; | |
2925 | } | |
2926 | ||
2927 | spans += psx_gpu->num_spans; | |
2928 | ||
2929 | u32 render_state = flags & | |
2930 | (RENDER_FLAGS_MODULATE_TEXELS | RENDER_FLAGS_BLEND | | |
2931 | RENDER_FLAGS_TEXTURE_MAP | RENDER_FLAGS_SHADE); | |
2932 | render_state |= psx_gpu->render_state_base; | |
2933 | ||
2934 | if((psx_gpu->render_state != render_state) || | |
2935 | (psx_gpu->primitive_type != PRIMITIVE_TYPE_TRIANGLE)) | |
2936 | { | |
2937 | psx_gpu->render_state = render_state; | |
2938 | flush_render_block_buffer(psx_gpu); | |
2939 | state_changes++; | |
2940 | } | |
2941 | ||
2942 | psx_gpu->primitive_type = PRIMITIVE_TYPE_TRIANGLE; | |
2943 | ||
2944 | psx_gpu->render_block_handler = | |
2945 | &(render_triangle_block_handlers[render_state]); | |
2946 | ((setup_blocks_function_type *)psx_gpu->render_block_handler->setup_blocks) | |
2947 | (psx_gpu); | |
2948 | } | |
2949 | ||
2950 | ||
2951 | void texture_sprite_blocks_8bpp(psx_gpu_struct *psx_gpu); | |
2952 | ||
2953 | #ifndef PANDORA_BUILD | |
2954 | ||
2955 | void texture_sprite_blocks_8bpp(psx_gpu_struct *psx_gpu) | |
2956 | { | |
2957 | block_struct *block = psx_gpu->blocks; | |
2958 | u32 num_blocks = psx_gpu->num_blocks; | |
2959 | ||
2960 | vec_8x16u texels; | |
2961 | vec_8x8u texel_indexes; | |
2962 | ||
2963 | u16 *clut_ptr = psx_gpu->clut_ptr; | |
2964 | u32 i; | |
2965 | ||
2966 | while(num_blocks) | |
2967 | { | |
2968 | texel_indexes = block->r; | |
2969 | ||
2970 | for(i = 0; i < 8; i++) | |
2971 | { | |
2972 | texels.e[i] = clut_ptr[texel_indexes.e[i]]; | |
2973 | } | |
2974 | ||
2975 | block->texels = texels; | |
2976 | ||
2977 | num_blocks--; | |
2978 | block++; | |
2979 | } | |
2980 | } | |
2981 | ||
2982 | #endif | |
2983 | ||
2984 | ||
2985 | #define setup_sprite_tiled_initialize_4bpp() \ | |
2986 | u16 *clut_ptr = psx_gpu->clut_ptr; \ | |
2987 | vec_8x16u clut_a, clut_b; \ | |
2988 | vec_16x8u clut_low, clut_high; \ | |
2989 | \ | |
2990 | load_8x16b(clut_a, clut_ptr); \ | |
2991 | load_8x16b(clut_b, clut_ptr + 8); \ | |
2992 | unzip_16x8b(clut_low, clut_high, clut_a, clut_b); \ | |
2993 | \ | |
2994 | if(psx_gpu->current_texture_mask & psx_gpu->dirty_textures_4bpp_mask) \ | |
2995 | update_texture_4bpp_cache(psx_gpu) \ | |
2996 | ||
2997 | #define setup_sprite_tiled_initialize_8bpp() \ | |
2998 | if(psx_gpu->current_texture_mask & psx_gpu->dirty_textures_8bpp_mask) \ | |
2999 | update_texture_8bpp_cache(psx_gpu) \ | |
3000 | ||
3001 | ||
3002 | #define setup_sprite_tile_fetch_texel_block_8bpp(offset) \ | |
3003 | texture_block_ptr = psx_gpu->texture_page_ptr + \ | |
3004 | ((texture_offset + offset) & texture_mask); \ | |
3005 | \ | |
3006 | load_64b(texels, texture_block_ptr) \ | |
3007 | ||
3008 | ||
3009 | #define setup_sprite_tile_setup_block_yes(side, offset, texture_mode) \ | |
3010 | ||
3011 | #define setup_sprite_tile_setup_block_no(side, offset, texture_mode) \ | |
3012 | ||
3013 | #define setup_sprite_tile_add_blocks(tile_num_blocks) \ | |
3014 | num_blocks += tile_num_blocks; \ | |
3015 | sprite_blocks += tile_num_blocks; \ | |
3016 | \ | |
3017 | if(num_blocks > MAX_BLOCKS) \ | |
3018 | { \ | |
3019 | flush_render_block_buffer(psx_gpu); \ | |
3020 | num_blocks = tile_num_blocks; \ | |
3021 | block = psx_gpu->blocks; \ | |
3022 | } \ | |
3023 | ||
3024 | #define setup_sprite_tile_full_4bpp(edge) \ | |
3025 | { \ | |
3026 | vec_8x8u texels_low, texels_high; \ | |
3027 | vec_8x16u pixels; \ | |
3028 | setup_sprite_tile_add_blocks(sub_tile_height * 2); \ | |
3029 | \ | |
3030 | while(sub_tile_height) \ | |
3031 | { \ | |
3032 | setup_sprite_tile_fetch_texel_block_8bpp(0); \ | |
3033 | tbl_16(texels_low, texels, clut_low); \ | |
3034 | tbl_16(texels_high, texels, clut_high); \ | |
3035 | zip_8x16b(pixels, texels_low, texels_high); \ | |
3036 | \ | |
3037 | block->texels = pixels; \ | |
3038 | block->draw_mask_bits = left_mask_bits; \ | |
3039 | block->fb_ptr = fb_ptr; \ | |
3040 | block++; \ | |
3041 | \ | |
3042 | setup_sprite_tile_fetch_texel_block_8bpp(8); \ | |
3043 | tbl_16(texels_low, texels, clut_low); \ | |
3044 | tbl_16(texels_high, texels, clut_high); \ | |
3045 | zip_8x16b(pixels, texels_low, texels_high); \ | |
3046 | \ | |
3047 | block->texels = pixels; \ | |
3048 | block->draw_mask_bits = right_mask_bits; \ | |
3049 | block->fb_ptr = fb_ptr + 8; \ | |
3050 | block++; \ | |
3051 | \ | |
3052 | fb_ptr += 1024; \ | |
3053 | texture_offset += 0x10; \ | |
3054 | sub_tile_height--; \ | |
3055 | } \ | |
3056 | texture_offset += 0xF00; \ | |
3057 | psx_gpu->num_blocks = num_blocks; \ | |
3058 | } \ | |
3059 | ||
3060 | #define setup_sprite_tile_half_4bpp(edge) \ | |
3061 | { \ | |
3062 | vec_8x8u texels_low, texels_high; \ | |
3063 | vec_8x16u pixels; \ | |
3064 | setup_sprite_tile_add_blocks(sub_tile_height); \ | |
3065 | \ | |
3066 | while(sub_tile_height) \ | |
3067 | { \ | |
3068 | setup_sprite_tile_fetch_texel_block_8bpp(0); \ | |
3069 | tbl_16(texels_low, texels, clut_low); \ | |
3070 | tbl_16(texels_high, texels, clut_high); \ | |
3071 | zip_8x16b(pixels, texels_low, texels_high); \ | |
3072 | \ | |
3073 | block->texels = pixels; \ | |
3074 | block->draw_mask_bits = edge##_mask_bits; \ | |
3075 | block->fb_ptr = fb_ptr; \ | |
3076 | block++; \ | |
3077 | \ | |
3078 | fb_ptr += 1024; \ | |
3079 | texture_offset += 0x10; \ | |
3080 | sub_tile_height--; \ | |
3081 | } \ | |
3082 | texture_offset += 0xF00; \ | |
3083 | psx_gpu->num_blocks = num_blocks; \ | |
3084 | } \ | |
3085 | ||
3086 | ||
3087 | #define setup_sprite_tile_full_8bpp(edge) \ | |
3088 | { \ | |
3089 | setup_sprite_tile_add_blocks(sub_tile_height * 2); \ | |
3090 | \ | |
3091 | while(sub_tile_height) \ | |
3092 | { \ | |
3093 | setup_sprite_tile_fetch_texel_block_8bpp(0); \ | |
3094 | block->r = texels; \ | |
3095 | block->draw_mask_bits = left_mask_bits; \ | |
3096 | block->fb_ptr = fb_ptr; \ | |
3097 | block++; \ | |
3098 | \ | |
3099 | setup_sprite_tile_fetch_texel_block_8bpp(8); \ | |
3100 | block->r = texels; \ | |
3101 | block->draw_mask_bits = right_mask_bits; \ | |
3102 | block->fb_ptr = fb_ptr + 8; \ | |
3103 | block++; \ | |
3104 | \ | |
3105 | fb_ptr += 1024; \ | |
3106 | texture_offset += 0x10; \ | |
3107 | sub_tile_height--; \ | |
3108 | } \ | |
3109 | texture_offset += 0xF00; \ | |
3110 | psx_gpu->num_blocks = num_blocks; \ | |
3111 | } \ | |
3112 | ||
3113 | #define setup_sprite_tile_half_8bpp(edge) \ | |
3114 | { \ | |
3115 | setup_sprite_tile_add_blocks(sub_tile_height * 2); \ | |
3116 | \ | |
3117 | while(sub_tile_height) \ | |
3118 | { \ | |
3119 | setup_sprite_tile_fetch_texel_block_8bpp(0); \ | |
3120 | block->r = texels; \ | |
3121 | block->draw_mask_bits = edge##_mask_bits; \ | |
3122 | block->fb_ptr = fb_ptr; \ | |
3123 | block++; \ | |
3124 | \ | |
3125 | fb_ptr += 1024; \ | |
3126 | texture_offset += 0x10; \ | |
3127 | sub_tile_height--; \ | |
3128 | } \ | |
3129 | texture_offset += 0xF00; \ | |
3130 | psx_gpu->num_blocks = num_blocks; \ | |
3131 | } \ | |
3132 | ||
3133 | ||
3134 | #define setup_sprite_tile_column_edge_pre_adjust_half_right() \ | |
3135 | texture_offset = texture_offset_base + 8; \ | |
3136 | fb_ptr += 8 \ | |
3137 | ||
3138 | #define setup_sprite_tile_column_edge_pre_adjust_half_left() \ | |
3139 | texture_offset = texture_offset_base \ | |
3140 | ||
3141 | #define setup_sprite_tile_column_edge_pre_adjust_half(edge) \ | |
3142 | setup_sprite_tile_column_edge_pre_adjust_half_##edge() \ | |
3143 | ||
3144 | #define setup_sprite_tile_column_edge_pre_adjust_full(edge) \ | |
3145 | texture_offset = texture_offset_base \ | |
3146 | ||
3147 | #define setup_sprite_tile_column_edge_post_adjust_half_right() \ | |
3148 | fb_ptr -= 8 \ | |
3149 | ||
3150 | #define setup_sprite_tile_column_edge_post_adjust_half_left() \ | |
3151 | ||
3152 | #define setup_sprite_tile_column_edge_post_adjust_half(edge) \ | |
3153 | setup_sprite_tile_column_edge_post_adjust_half_##edge() \ | |
3154 | ||
3155 | #define setup_sprite_tile_column_edge_post_adjust_full(edge) \ | |
3156 | ||
3157 | ||
3158 | #define setup_sprite_tile_column_height_single(edge_mode, edge, texture_mode) \ | |
3159 | do \ | |
3160 | { \ | |
3161 | sub_tile_height = column_data; \ | |
3162 | setup_sprite_tile_column_edge_pre_adjust_##edge_mode(edge); \ | |
3163 | setup_sprite_tile_##edge_mode##_##texture_mode(edge); \ | |
3164 | setup_sprite_tile_column_edge_post_adjust_##edge_mode(edge); \ | |
3165 | } while(0) \ | |
3166 | ||
3167 | #define setup_sprite_tile_column_height_multi(edge_mode, edge, texture_mode) \ | |
3168 | do \ | |
3169 | { \ | |
3170 | u32 tiles_remaining = column_data >> 16; \ | |
3171 | sub_tile_height = column_data & 0xFF; \ | |
3172 | setup_sprite_tile_column_edge_pre_adjust_##edge_mode(edge); \ | |
3173 | setup_sprite_tile_##edge_mode##_##texture_mode(edge); \ | |
3174 | tiles_remaining -= 1; \ | |
3175 | \ | |
3176 | while(tiles_remaining) \ | |
3177 | { \ | |
3178 | sub_tile_height = 16; \ | |
3179 | setup_sprite_tile_##edge_mode##_##texture_mode(edge); \ | |
3180 | tiles_remaining--; \ | |
3181 | } \ | |
3182 | \ | |
3183 | sub_tile_height = (column_data >> 8) & 0xFF; \ | |
3184 | setup_sprite_tile_##edge_mode##_##texture_mode(edge); \ | |
3185 | setup_sprite_tile_column_edge_post_adjust_##edge_mode(edge); \ | |
3186 | } while(0) \ | |
3187 | ||
3188 | ||
3189 | #define setup_sprite_column_data_single() \ | |
3190 | column_data = height \ | |
3191 | ||
3192 | #define setup_sprite_column_data_multi() \ | |
3193 | column_data = 16 - offset_v; \ | |
3194 | column_data |= ((height_rounded & 0xF) + 1) << 8; \ | |
3195 | column_data |= (tile_height - 1) << 16 \ | |
3196 | ||
3197 | ||
3198 | #define setup_sprite_tile_column_width_single(texture_mode, multi_height, \ | |
3199 | edge_mode, edge) \ | |
3200 | { \ | |
3201 | setup_sprite_column_data_##multi_height(); \ | |
3202 | left_mask_bits = left_block_mask | right_block_mask; \ | |
3203 | right_mask_bits = left_mask_bits >> 8; \ | |
3204 | \ | |
3205 | setup_sprite_tile_column_height_##multi_height(edge_mode, edge, \ | |
3206 | texture_mode); \ | |
3207 | } \ | |
3208 | ||
3209 | #define setup_sprite_tiled_advance_column() \ | |
3210 | texture_offset_base += 0x100; \ | |
3211 | if((texture_offset_base & 0xF00) == 0) \ | |
3212 | texture_offset_base -= (0x100 + 0xF00) \ | |
3213 | ||
3214 | #define setup_sprite_tile_column_width_multi(texture_mode, multi_height, \ | |
3215 | left_mode, right_mode) \ | |
3216 | { \ | |
3217 | setup_sprite_column_data_##multi_height(); \ | |
3218 | s32 fb_ptr_advance_column = 16 - (1024 * height); \ | |
3219 | \ | |
3220 | tile_width -= 2; \ | |
3221 | left_mask_bits = left_block_mask; \ | |
3222 | right_mask_bits = left_mask_bits >> 8; \ | |
3223 | \ | |
3224 | setup_sprite_tile_column_height_##multi_height(left_mode, right, \ | |
3225 | texture_mode); \ | |
3226 | fb_ptr += fb_ptr_advance_column; \ | |
3227 | \ | |
3228 | left_mask_bits = 0x00; \ | |
3229 | right_mask_bits = 0x00; \ | |
3230 | \ | |
3231 | while(tile_width) \ | |
3232 | { \ | |
3233 | setup_sprite_tiled_advance_column(); \ | |
3234 | setup_sprite_tile_column_height_##multi_height(full, none, texture_mode); \ | |
3235 | fb_ptr += fb_ptr_advance_column; \ | |
3236 | tile_width--; \ | |
3237 | } \ | |
3238 | \ | |
3239 | left_mask_bits = right_block_mask; \ | |
3240 | right_mask_bits = left_mask_bits >> 8; \ | |
3241 | \ | |
3242 | setup_sprite_tiled_advance_column(); \ | |
3243 | setup_sprite_tile_column_height_##multi_height(right_mode, left, \ | |
3244 | texture_mode); \ | |
3245 | } \ | |
3246 | ||
3247 | ||
3248 | #define setup_sprite_tiled_builder(texture_mode) \ | |
3249 | void setup_sprite_##texture_mode(psx_gpu_struct *psx_gpu, s32 x, s32 y, \ | |
3250 | s32 u, s32 v, s32 width, s32 height, u32 color) \ | |
3251 | { \ | |
3252 | s32 offset_u = u & 0xF; \ | |
3253 | s32 offset_v = v & 0xF; \ | |
3254 | \ | |
3255 | s32 width_rounded = offset_u + width + 15; \ | |
3256 | s32 height_rounded = offset_v + height + 15; \ | |
3257 | s32 tile_height = height_rounded / 16; \ | |
3258 | s32 tile_width = width_rounded / 16; \ | |
3259 | u32 offset_u_right = width_rounded & 0xF; \ | |
3260 | \ | |
3261 | u32 left_block_mask = ~(0xFFFF << offset_u); \ | |
3262 | u32 right_block_mask = 0xFFFE << offset_u_right; \ | |
3263 | \ | |
3264 | u32 left_mask_bits; \ | |
3265 | u32 right_mask_bits; \ | |
3266 | \ | |
3267 | u32 sub_tile_height; \ | |
3268 | u32 column_data; \ | |
3269 | \ | |
3270 | u32 texture_mask = (psx_gpu->texture_mask_width & 0xF) | \ | |
3271 | ((psx_gpu->texture_mask_height & 0xF) << 4) | \ | |
3272 | ((psx_gpu->texture_mask_width >> 4) << 8) | \ | |
3273 | ((psx_gpu->texture_mask_height >> 4) << 12); \ | |
3274 | u32 texture_offset = ((v & 0xF) << 4) | ((u & 0xF0) << 4) | \ | |
3275 | ((v & 0xF0) << 8); \ | |
3276 | u32 texture_offset_base = texture_offset; \ | |
3277 | u32 control_mask; \ | |
3278 | \ | |
3279 | u16 *fb_ptr = psx_gpu->vram_ptr + (y * 1024) + (x - offset_u); \ | |
3280 | u32 num_blocks = psx_gpu->num_blocks; \ | |
3281 | block_struct *block = psx_gpu->blocks + num_blocks; \ | |
3282 | \ | |
3283 | u16 *texture_block_ptr; \ | |
3284 | vec_8x8u texels; \ | |
3285 | \ | |
3286 | setup_sprite_tiled_initialize_##texture_mode(); \ | |
3287 | \ | |
3288 | control_mask = tile_width == 1; \ | |
3289 | control_mask |= (tile_height == 1) << 1; \ | |
3290 | control_mask |= ((left_block_mask & 0xFF) == 0xFF) << 2; \ | |
3291 | control_mask |= (((right_block_mask >> 8) & 0xFF) == 0xFF) << 3; \ | |
3292 | \ | |
3293 | sprites_##texture_mode++; \ | |
3294 | \ | |
3295 | switch(control_mask) \ | |
3296 | { \ | |
3297 | default: \ | |
3298 | case 0x0: \ | |
3299 | setup_sprite_tile_column_width_multi(texture_mode, multi, full, full); \ | |
3300 | break; \ | |
3301 | \ | |
3302 | case 0x1: \ | |
3303 | setup_sprite_tile_column_width_single(texture_mode, multi, full, none); \ | |
3304 | break; \ | |
3305 | \ | |
3306 | case 0x2: \ | |
3307 | setup_sprite_tile_column_width_multi(texture_mode, single, full, full); \ | |
3308 | break; \ | |
3309 | \ | |
3310 | case 0x3: \ | |
3311 | setup_sprite_tile_column_width_single(texture_mode, single, full, none); \ | |
3312 | break; \ | |
3313 | \ | |
3314 | case 0x4: \ | |
3315 | setup_sprite_tile_column_width_multi(texture_mode, multi, half, full); \ | |
3316 | break; \ | |
3317 | \ | |
3318 | case 0x5: \ | |
3319 | setup_sprite_tile_column_width_single(texture_mode, multi, half, right); \ | |
3320 | break; \ | |
3321 | \ | |
3322 | case 0x6: \ | |
3323 | setup_sprite_tile_column_width_multi(texture_mode, single, half, full); \ | |
3324 | break; \ | |
3325 | \ | |
3326 | case 0x7: \ | |
3327 | setup_sprite_tile_column_width_single(texture_mode, single, half, right);\ | |
3328 | break; \ | |
3329 | \ | |
3330 | case 0x8: \ | |
3331 | setup_sprite_tile_column_width_multi(texture_mode, multi, full, half); \ | |
3332 | break; \ | |
3333 | \ | |
3334 | case 0x9: \ | |
3335 | setup_sprite_tile_column_width_single(texture_mode, multi, half, left); \ | |
3336 | break; \ | |
3337 | \ | |
3338 | case 0xA: \ | |
3339 | setup_sprite_tile_column_width_multi(texture_mode, single, full, half); \ | |
3340 | break; \ | |
3341 | \ | |
3342 | case 0xB: \ | |
3343 | setup_sprite_tile_column_width_single(texture_mode, single, half, left); \ | |
3344 | break; \ | |
3345 | \ | |
3346 | case 0xC: \ | |
3347 | setup_sprite_tile_column_width_multi(texture_mode, multi, half, half); \ | |
3348 | break; \ | |
3349 | \ | |
3350 | case 0xE: \ | |
3351 | setup_sprite_tile_column_width_multi(texture_mode, single, half, half); \ | |
3352 | break; \ | |
3353 | } \ | |
3354 | } \ | |
3355 | ||
3356 | ||
3357 | void setup_sprite_4bpp(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u, s32 v, | |
3358 | s32 width, s32 height, u32 color); | |
3359 | void setup_sprite_8bpp(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u, s32 v, | |
3360 | s32 width, s32 height, u32 color); | |
3361 | void setup_sprite_16bpp(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u, s32 v, | |
3362 | s32 width, s32 height, u32 color); | |
3363 | ||
3364 | #ifndef PANDORA_BUILD | |
3365 | setup_sprite_tiled_builder(4bpp); | |
3366 | setup_sprite_tiled_builder(8bpp); | |
3367 | ||
3368 | void setup_sprite_16bpp(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u, | |
3369 | s32 v, s32 width, s32 height, u32 color) | |
3370 | { | |
3371 | u32 left_offset = u & 0x7; | |
3372 | u32 width_rounded = width + left_offset + 7; | |
3373 | ||
3374 | u16 *fb_ptr = psx_gpu->vram_ptr + (y * 1024) + (x - left_offset); | |
3375 | u32 right_width = width_rounded & 0x7; | |
3376 | u32 block_width = width_rounded / 8; | |
3377 | u32 fb_ptr_pitch = (1024 + 8) - (block_width * 8); | |
3378 | ||
3379 | u32 left_mask_bits = ~(0xFF << left_offset); | |
3380 | u32 right_mask_bits = 0xFE << right_width; | |
3381 | ||
3382 | u32 texture_offset_base = u + (v * 1024); | |
3383 | u32 texture_mask = | |
3384 | psx_gpu->texture_mask_width | (psx_gpu->texture_mask_height * 1024); | |
3385 | ||
3386 | u32 blocks_remaining; | |
3387 | u32 num_blocks = psx_gpu->num_blocks; | |
3388 | block_struct *block = psx_gpu->blocks + num_blocks; | |
3389 | ||
3390 | u16 *texture_page_ptr = psx_gpu->texture_page_ptr; | |
3391 | u16 *texture_block_ptr; | |
3392 | ||
3393 | texture_offset_base &= ~0x7; | |
3394 | ||
3395 | sprites_16bpp++; | |
3396 | ||
3397 | if(block_width == 1) | |
3398 | { | |
3399 | u32 mask_bits = left_mask_bits | right_mask_bits; | |
3400 | ||
3401 | while(height) | |
3402 | { | |
3403 | num_blocks++; | |
3404 | sprite_blocks++; | |
3405 | ||
3406 | if(num_blocks > MAX_BLOCKS) | |
3407 | { | |
3408 | flush_render_block_buffer(psx_gpu); | |
3409 | num_blocks = 1; | |
3410 | block = psx_gpu->blocks; | |
3411 | } | |
3412 | ||
3413 | texture_block_ptr = | |
3414 | texture_page_ptr + (texture_offset_base & texture_mask); | |
3415 | ||
3416 | load_128b(block->texels, texture_block_ptr); | |
3417 | block->draw_mask_bits = mask_bits; | |
3418 | block->fb_ptr = fb_ptr; | |
3419 | ||
3420 | block++; | |
3421 | ||
3422 | texture_offset_base += 1024; | |
3423 | fb_ptr += 1024; | |
3424 | ||
3425 | height--; | |
3426 | psx_gpu->num_blocks = num_blocks; | |
3427 | } | |
3428 | } | |
3429 | else | |
3430 | { | |
3431 | u32 texture_offset; | |
3432 | ||
3433 | while(height) | |
3434 | { | |
3435 | blocks_remaining = block_width - 2; | |
3436 | num_blocks += block_width; | |
3437 | sprite_blocks += block_width; | |
3438 | ||
3439 | if(num_blocks > MAX_BLOCKS) | |
3440 | { | |
3441 | flush_render_block_buffer(psx_gpu); | |
3442 | num_blocks = block_width; | |
3443 | block = psx_gpu->blocks; | |
3444 | } | |
3445 | ||
3446 | texture_offset = texture_offset_base; | |
3447 | texture_offset_base += 1024; | |
3448 | ||
3449 | texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask); | |
3450 | load_128b(block->texels, texture_block_ptr); | |
3451 | ||
3452 | block->draw_mask_bits = left_mask_bits; | |
3453 | block->fb_ptr = fb_ptr; | |
3454 | ||
3455 | texture_offset += 8; | |
3456 | fb_ptr += 8; | |
3457 | block++; | |
3458 | ||
3459 | while(blocks_remaining) | |
3460 | { | |
3461 | texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask); | |
3462 | load_128b(block->texels, texture_block_ptr); | |
3463 | ||
3464 | block->draw_mask_bits = 0; | |
3465 | block->fb_ptr = fb_ptr; | |
3466 | ||
3467 | texture_offset += 8; | |
3468 | fb_ptr += 8; | |
3469 | block++; | |
3470 | ||
3471 | blocks_remaining--; | |
3472 | } | |
3473 | ||
3474 | texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask); | |
3475 | load_128b(block->texels, texture_block_ptr); | |
3476 | ||
3477 | block->draw_mask_bits = right_mask_bits; | |
3478 | block->fb_ptr = fb_ptr; | |
3479 | ||
3480 | fb_ptr += fb_ptr_pitch; | |
3481 | block++; | |
3482 | ||
3483 | height--; | |
3484 | psx_gpu->num_blocks = num_blocks; | |
3485 | } | |
3486 | } | |
3487 | } | |
3488 | ||
3489 | #endif | |
3490 | ||
3491 | void setup_sprite_untextured(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u, | |
3492 | s32 v, s32 width, s32 height, u32 color) | |
3493 | { | |
3494 | u32 right_width = ((width - 1) & 0x7) + 1; | |
3495 | u32 right_mask_bits = (0xFF << right_width); | |
3496 | u16 *fb_ptr = psx_gpu->vram_ptr + (y * 1024) + x; | |
3497 | u32 block_width = (width + 7) / 8; | |
3498 | u32 fb_ptr_pitch = 1024 - ((block_width - 1) * 8); | |
3499 | u32 blocks_remaining; | |
3500 | u32 num_blocks = psx_gpu->num_blocks; | |
3501 | block_struct *block = psx_gpu->blocks + num_blocks; | |
3502 | ||
3503 | u32 color_r = color & 0xFF; | |
3504 | u32 color_g = (color >> 8) & 0xFF; | |
3505 | u32 color_b = (color >> 16) & 0xFF; | |
3506 | vec_8x16u colors; | |
3507 | vec_8x16u right_mask; | |
3508 | vec_8x16u test_mask = psx_gpu->test_mask; | |
3509 | vec_8x16u zero_mask; | |
3510 | ||
3511 | sprites_untextured++; | |
3512 | ||
3513 | color = (color_r >> 3) | ((color_g >> 3) << 5) | ((color_b >> 3) << 10); | |
3514 | ||
3515 | dup_8x16b(colors, color); | |
3516 | dup_8x16b(zero_mask, 0x00); | |
3517 | dup_8x16b(right_mask, right_mask_bits); | |
3518 | tst_8x16b(right_mask, right_mask, test_mask); | |
3519 | ||
3520 | while(height) | |
3521 | { | |
3522 | blocks_remaining = block_width - 1; | |
3523 | num_blocks += block_width; | |
3524 | sprite_blocks += block_width; | |
3525 | ||
3526 | if(num_blocks > MAX_BLOCKS) | |
3527 | { | |
3528 | flush_render_block_buffer(psx_gpu); | |
3529 | num_blocks = block_width; | |
3530 | block = psx_gpu->blocks; | |
3531 | } | |
3532 | ||
3533 | while(blocks_remaining) | |
3534 | { | |
3535 | block->pixels = colors; | |
3536 | block->draw_mask = zero_mask; | |
3537 | block->fb_ptr = fb_ptr; | |
3538 | ||
3539 | fb_ptr += 8; | |
3540 | block++; | |
3541 | blocks_remaining--; | |
3542 | } | |
3543 | ||
3544 | block->pixels = colors; | |
3545 | block->draw_mask = right_mask; | |
3546 | block->fb_ptr = fb_ptr; | |
3547 | ||
3548 | block++; | |
3549 | fb_ptr += fb_ptr_pitch; | |
3550 | ||
3551 | height--; | |
3552 | psx_gpu->num_blocks = num_blocks; | |
3553 | } | |
3554 | } | |
3555 | ||
3556 | ||
3557 | ||
3558 | #define setup_sprite_blocks_switch_textured(texture_mode) \ | |
3559 | setup_sprite_##texture_mode \ | |
3560 | ||
3561 | #define setup_sprite_blocks_switch_untextured(texture_mode) \ | |
3562 | setup_sprite_untextured \ | |
3563 | ||
3564 | #define setup_sprite_blocks_switch(texturing, texture_mode) \ | |
3565 | setup_sprite_blocks_switch_##texturing(texture_mode) \ | |
3566 | ||
3567 | ||
3568 | #define texture_sprite_blocks_switch_4bpp() \ | |
3569 | texture_blocks_untextured \ | |
3570 | ||
3571 | #define texture_sprite_blocks_switch_8bpp() \ | |
3572 | texture_sprite_blocks_8bpp \ | |
3573 | ||
3574 | #define texture_sprite_blocks_switch_16bpp() \ | |
3575 | texture_blocks_untextured \ | |
3576 | ||
3577 | #define texture_sprite_blocks_switch_untextured(texture_mode) \ | |
3578 | texture_blocks_untextured \ | |
3579 | ||
3580 | #define texture_sprite_blocks_switch_textured(texture_mode) \ | |
3581 | texture_sprite_blocks_switch_##texture_mode() \ | |
3582 | ||
3583 | #define render_sprite_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
3584 | mask_evaluate, shading, dithering, texturing, blending, modulation) \ | |
3585 | { \ | |
3586 | setup_sprite_blocks_switch(texturing, texture_mode), \ | |
3587 | texture_sprite_blocks_switch_##texturing(texture_mode), \ | |
3588 | shade_blocks_switch(unshaded, texturing, modulation, undithered, blending, \ | |
3589 | mask_evaluate), \ | |
3590 | blend_blocks_switch(texturing, blending, blend_mode, mask_evaluate) \ | |
3591 | } \ | |
3592 | ||
3593 | #define render_sprite_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
3594 | mask_evaluate, shading, dithering, texturing, blending) \ | |
3595 | render_sprite_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
3596 | mask_evaluate, shading, dithering, texturing, blending, modulated), \ | |
3597 | render_sprite_blocks_switch_block_modulation(texture_mode, blend_mode, \ | |
3598 | mask_evaluate, shading, dithering, texturing, blending, unmodulated) \ | |
3599 | ||
3600 | #define render_sprite_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
3601 | mask_evaluate, shading, dithering, texturing) \ | |
3602 | render_sprite_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
3603 | mask_evaluate, shading, dithering, texturing, unblended), \ | |
3604 | render_sprite_blocks_switch_block_blending(texture_mode, blend_mode, \ | |
3605 | mask_evaluate, shading, dithering, texturing, blended) \ | |
3606 | ||
3607 | #define render_sprite_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
3608 | mask_evaluate, shading, dithering) \ | |
3609 | render_sprite_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
3610 | mask_evaluate, shading, dithering, untextured), \ | |
3611 | render_sprite_blocks_switch_block_texturing(texture_mode, blend_mode, \ | |
3612 | mask_evaluate, shading, dithering, textured) \ | |
3613 | ||
3614 | #define render_sprite_blocks_switch_block_shading(texture_mode, blend_mode, \ | |
3615 | mask_evaluate, shading) \ | |
3616 | render_sprite_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
3617 | mask_evaluate, shading, undithered), \ | |
3618 | render_sprite_blocks_switch_block_dithering(texture_mode, blend_mode, \ | |
3619 | mask_evaluate, shading, dithered) \ | |
3620 | ||
3621 | #define render_sprite_blocks_switch_block_mask_evaluate(texture_mode, \ | |
3622 | blend_mode, mask_evaluate) \ | |
3623 | render_sprite_blocks_switch_block_shading(texture_mode, blend_mode, \ | |
3624 | mask_evaluate, unshaded), \ | |
3625 | render_sprite_blocks_switch_block_shading(texture_mode, blend_mode, \ | |
3626 | mask_evaluate, shaded) \ | |
3627 | ||
3628 | #define render_sprite_blocks_switch_block_blend_mode(texture_mode, blend_mode) \ | |
3629 | render_sprite_blocks_switch_block_mask_evaluate(texture_mode, blend_mode, \ | |
3630 | off), \ | |
3631 | render_sprite_blocks_switch_block_mask_evaluate(texture_mode, blend_mode, \ | |
3632 | on) \ | |
3633 | ||
3634 | #define render_sprite_blocks_switch_block_texture_mode(texture_mode) \ | |
3635 | render_sprite_blocks_switch_block_blend_mode(texture_mode, average), \ | |
3636 | render_sprite_blocks_switch_block_blend_mode(texture_mode, add), \ | |
3637 | render_sprite_blocks_switch_block_blend_mode(texture_mode, subtract), \ | |
3638 | render_sprite_blocks_switch_block_blend_mode(texture_mode, add_fourth) \ | |
3639 | ||
3640 | #define render_sprite_blocks_switch_block() \ | |
3641 | render_sprite_blocks_switch_block_texture_mode(4bpp), \ | |
3642 | render_sprite_blocks_switch_block_texture_mode(8bpp), \ | |
3643 | render_sprite_blocks_switch_block_texture_mode(16bpp), \ | |
3644 | render_sprite_blocks_switch_block_texture_mode(4bpp) \ | |
3645 | ||
3646 | ||
3647 | render_block_handler_struct render_sprite_block_handlers[] = | |
3648 | { | |
3649 | render_sprite_blocks_switch_block() | |
3650 | }; | |
3651 | ||
3652 | ||
3653 | void render_sprite(psx_gpu_struct *psx_gpu, s32 x, s32 y, u32 u, u32 v, | |
3654 | s32 width, s32 height, u32 flags, u32 color) | |
3655 | { | |
3656 | s32 x_right = x + width - 1; | |
3657 | s32 y_bottom = y + height - 1; | |
3658 | ||
3659 | if(invalidate_texture_cache_region_viewport(psx_gpu, x, y, x_right, | |
3660 | y_bottom) == 0) | |
3661 | { | |
3662 | return; | |
3663 | } | |
3664 | ||
3665 | if(x < psx_gpu->viewport_start_x) | |
3666 | { | |
3667 | u32 clip = psx_gpu->viewport_start_x - x; | |
3668 | x += clip; | |
3669 | u += clip; | |
3670 | width -= clip; | |
3671 | } | |
3672 | ||
3673 | if(y < psx_gpu->viewport_start_y) | |
3674 | { | |
3675 | s32 clip = psx_gpu->viewport_start_y - y; | |
3676 | y += clip; | |
3677 | v += clip; | |
3678 | height -= clip; | |
3679 | } | |
3680 | ||
3681 | if(x_right > psx_gpu->viewport_end_x) | |
3682 | width -= x_right - psx_gpu->viewport_end_x; | |
3683 | ||
3684 | if(y_bottom > psx_gpu->viewport_end_y) | |
3685 | height -= y_bottom - psx_gpu->viewport_end_y; | |
3686 | ||
3687 | if((width <= 0) || (height <= 0)) | |
3688 | return; | |
3689 | ||
3690 | sprites++; | |
3691 | ||
3692 | span_pixels += width * height; | |
3693 | spans += height; | |
3694 | ||
3695 | u32 render_state = flags & | |
3696 | (RENDER_FLAGS_MODULATE_TEXELS | RENDER_FLAGS_BLEND | | |
3697 | RENDER_FLAGS_TEXTURE_MAP); | |
3698 | render_state |= | |
3699 | (psx_gpu->render_state_base & ~RENDER_STATE_DITHER); | |
3700 | ||
3701 | if((psx_gpu->render_state != render_state) || | |
3702 | (psx_gpu->primitive_type != PRIMITIVE_TYPE_SPRITE)) | |
3703 | { | |
3704 | psx_gpu->render_state = render_state; | |
3705 | flush_render_block_buffer(psx_gpu); | |
3706 | state_changes++; | |
3707 | } | |
3708 | ||
3709 | psx_gpu->primitive_type = PRIMITIVE_TYPE_SPRITE; | |
3710 | ||
3711 | color &= 0xFFFFFF; | |
3712 | ||
3713 | if(psx_gpu->triangle_color != color) | |
3714 | { | |
3715 | flush_render_block_buffer(psx_gpu); | |
3716 | psx_gpu->triangle_color = color; | |
3717 | } | |
3718 | ||
3719 | if(color == 0x808080) | |
3720 | render_state |= RENDER_FLAGS_MODULATE_TEXELS; | |
3721 | ||
3722 | render_block_handler_struct *render_block_handler = | |
3723 | &(render_sprite_block_handlers[render_state]); | |
3724 | psx_gpu->render_block_handler = render_block_handler; | |
3725 | ||
3726 | ((setup_sprite_function_type *)render_block_handler->setup_blocks) | |
3727 | (psx_gpu, x, y, u, v, width, height, color); | |
3728 | } | |
3729 | ||
3730 | #define draw_pixel_line_mask_evaluate_yes() \ | |
3731 | if(*vram_ptr & 0x8000) \ | |
3732 | ||
3733 | #define draw_pixel_line_mask_evaluate_no() \ | |
3734 | ||
3735 | ||
3736 | #define draw_pixel_line_shaded() \ | |
3737 | { \ | |
3738 | color_r = fixed_to_int(current_r); \ | |
3739 | color_g = fixed_to_int(current_g); \ | |
3740 | color_b = fixed_to_int(current_b); \ | |
3741 | \ | |
3742 | current_r += gradient_r; \ | |
3743 | current_g += gradient_g; \ | |
3744 | current_b += gradient_b; \ | |
3745 | } \ | |
3746 | ||
3747 | #define draw_pixel_line_unshaded() \ | |
3748 | { \ | |
3749 | color_r = color & 0xFF; \ | |
3750 | color_g = (color >> 8) & 0xFF; \ | |
3751 | color_b = (color >> 16) & 0xFF; \ | |
3752 | } \ | |
3753 | ||
3754 | ||
3755 | #define draw_pixel_line_dithered(_x, _y) \ | |
3756 | { \ | |
3757 | u32 dither_xor = _x ^ _y; \ | |
3758 | s32 dither_offset = (dither_xor >> 1) & 0x1; \ | |
3759 | dither_offset |= (_y & 0x1) << 1; \ | |
3760 | dither_offset |= (dither_xor & 0x1) << 2; \ | |
3761 | dither_offset -= 4; \ | |
3762 | \ | |
3763 | color_r += dither_offset; \ | |
3764 | color_g += dither_offset; \ | |
3765 | color_b += dither_offset; \ | |
3766 | \ | |
3767 | if(color_r < 0) \ | |
3768 | color_r = 0; \ | |
3769 | \ | |
3770 | if(color_g < 0) \ | |
3771 | color_g = 0; \ | |
3772 | \ | |
3773 | if(color_b < 0) \ | |
3774 | color_b = 0; \ | |
3775 | \ | |
3776 | if(color_r > 255) \ | |
3777 | color_r = 255; \ | |
3778 | \ | |
3779 | if(color_g > 255) \ | |
3780 | color_g = 255; \ | |
3781 | \ | |
3782 | if(color_b > 255) \ | |
3783 | color_b = 255; \ | |
3784 | } \ | |
3785 | ||
3786 | #define draw_pixel_line_undithered(_x, _y) \ | |
3787 | ||
3788 | ||
3789 | #define draw_pixel_line_average() \ | |
3790 | color_r = (color_r + fb_r) / 2; \ | |
3791 | color_g = (color_g + fb_g) / 2; \ | |
3792 | color_b = (color_b + fb_b) / 2 \ | |
3793 | ||
3794 | #define draw_pixel_line_add() \ | |
3795 | color_r += fb_r; \ | |
3796 | color_g += fb_g; \ | |
3797 | color_b += fb_b; \ | |
3798 | \ | |
3799 | if(color_r > 31) \ | |
3800 | color_r = 31; \ | |
3801 | \ | |
3802 | if(color_g > 31) \ | |
3803 | color_g = 31; \ | |
3804 | \ | |
3805 | if(color_b > 31) \ | |
3806 | color_b = 31 \ | |
3807 | \ | |
3808 | ||
3809 | #define draw_pixel_line_subtract() \ | |
3810 | color_r = fb_r - color_r; \ | |
3811 | color_g = fb_g - color_g; \ | |
3812 | color_b = fb_b - color_b; \ | |
3813 | \ | |
3814 | if(color_r < 0) \ | |
3815 | color_r = 0; \ | |
3816 | \ | |
3817 | if(color_g < 0) \ | |
3818 | color_g = 0; \ | |
3819 | \ | |
3820 | if(color_b < 0) \ | |
3821 | color_b = 0 \ | |
3822 | ||
3823 | #define draw_pixel_line_add_fourth() \ | |
3824 | color_r = fb_r + (color_r / 4); \ | |
3825 | color_g = fb_g + (color_g / 4); \ | |
3826 | color_b = fb_b + (color_b / 4); \ | |
3827 | \ | |
3828 | if(color_r > 31) \ | |
3829 | color_r = 31; \ | |
3830 | \ | |
3831 | if(color_g > 31) \ | |
3832 | color_g = 31; \ | |
3833 | \ | |
3834 | if(color_b > 31) \ | |
3835 | color_b = 31 \ | |
3836 | ||
3837 | ||
3838 | #define draw_pixel_line_blended(blend_mode) \ | |
3839 | s32 fb_pixel = *vram_ptr; \ | |
3840 | s32 fb_r = fb_pixel & 0x1F; \ | |
3841 | s32 fb_g = (fb_pixel >> 5) & 0x1F; \ | |
3842 | s32 fb_b = (fb_pixel >> 10) & 0x1F; \ | |
3843 | \ | |
3844 | draw_pixel_line_##blend_mode() \ | |
3845 | ||
3846 | #define draw_pixel_line_unblended(blend_mode) \ | |
3847 | ||
3848 | ||
3849 | #define draw_pixel_line(_x, _y, shading, blending, dithering, mask_evaluate, \ | |
3850 | blend_mode) \ | |
3851 | if((_x >= psx_gpu->viewport_start_x) && (_y >= psx_gpu->viewport_start_y) && \ | |
3852 | (_x <= psx_gpu->viewport_end_x) && (_y <= psx_gpu->viewport_end_y)) \ | |
3853 | { \ | |
3854 | draw_pixel_line_mask_evaluate_##mask_evaluate() \ | |
3855 | { \ | |
3856 | draw_pixel_line_##shading(); \ | |
3857 | draw_pixel_line_##dithering(_x, _y); \ | |
3858 | \ | |
3859 | color_r >>= 3; \ | |
3860 | color_g >>= 3; \ | |
3861 | color_b >>= 3; \ | |
3862 | \ | |
3863 | draw_pixel_line_##blending(blend_mode); \ | |
3864 | \ | |
3865 | *vram_ptr = color_r | (color_g << 5) | (color_b << 10) | \ | |
3866 | psx_gpu->mask_msb; \ | |
3867 | } \ | |
3868 | } \ | |
3869 | ||
3870 | #define update_increment(value) \ | |
3871 | value++ \ | |
3872 | ||
3873 | #define update_decrement(value) \ | |
3874 | value-- \ | |
3875 | ||
3876 | #define update_vram_row_increment(value) \ | |
3877 | vram_ptr += 1024 \ | |
3878 | ||
3879 | #define update_vram_row_decrement(value) \ | |
3880 | vram_ptr -= 1024 \ | |
3881 | ||
3882 | #define compare_increment(a, b) \ | |
3883 | (a <= b) \ | |
3884 | ||
3885 | #define compare_decrement(a, b) \ | |
3886 | (a >= b) \ | |
3887 | ||
3888 | #define set_line_gradients(minor) \ | |
3889 | { \ | |
3890 | s32 gradient_divisor = delta_##minor; \ | |
3891 | gradient_r = int_to_fixed(vertex_b->r - vertex_a->r) / gradient_divisor; \ | |
3892 | gradient_g = int_to_fixed(vertex_b->g - vertex_a->g) / gradient_divisor; \ | |
3893 | gradient_b = int_to_fixed(vertex_b->b - vertex_a->b) / gradient_divisor; \ | |
3894 | current_r = fixed_center(vertex_a->r); \ | |
3895 | current_g = fixed_center(vertex_a->g); \ | |
3896 | current_b = fixed_center(vertex_a->b); \ | |
3897 | } | |
3898 | ||
3899 | #define draw_line_span_horizontal(direction, shading, blending, dithering, \ | |
3900 | mask_evaluate, blend_mode) \ | |
3901 | do \ | |
3902 | { \ | |
3903 | error_step = delta_y * 2; \ | |
3904 | error_wrap = delta_x * 2; \ | |
3905 | error = delta_x; \ | |
3906 | \ | |
3907 | current_y = y_a; \ | |
3908 | set_line_gradients(x); \ | |
3909 | \ | |
3910 | for(current_x = x_a; current_x <= x_b; current_x++) \ | |
3911 | { \ | |
3912 | draw_pixel_line(current_x, current_y, shading, blending, dithering, \ | |
3913 | mask_evaluate, blend_mode); \ | |
3914 | error += error_step; \ | |
3915 | vram_ptr++; \ | |
3916 | \ | |
3917 | if(error >= error_wrap) \ | |
3918 | { \ | |
3919 | update_##direction(current_y); \ | |
3920 | update_vram_row_##direction(); \ | |
3921 | error -= error_wrap; \ | |
3922 | } \ | |
3923 | } \ | |
3924 | } while(0) \ | |
3925 | ||
3926 | #define draw_line_span_vertical(direction, shading, blending, dithering, \ | |
3927 | mask_evaluate, blend_mode) \ | |
3928 | do \ | |
3929 | { \ | |
3930 | error_step = delta_x * 2; \ | |
3931 | error_wrap = delta_y * 2; \ | |
3932 | error = delta_y; \ | |
3933 | \ | |
3934 | current_x = x_a; \ | |
3935 | set_line_gradients(y); \ | |
3936 | \ | |
3937 | for(current_y = y_a; compare_##direction(current_y, y_b); \ | |
3938 | update_##direction(current_y)) \ | |
3939 | { \ | |
3940 | draw_pixel_line(current_x, current_y, shading, blending, dithering, \ | |
3941 | mask_evaluate, blend_mode); \ | |
3942 | error += error_step; \ | |
3943 | update_vram_row_##direction(); \ | |
3944 | \ | |
3945 | if(error > error_wrap) \ | |
3946 | { \ | |
3947 | vram_ptr++; \ | |
3948 | current_x++; \ | |
3949 | error -= error_wrap; \ | |
3950 | } \ | |
3951 | } \ | |
3952 | } while(0) \ | |
3953 | ||
3954 | ||
3955 | #define render_line_body(shading, blending, dithering, mask_evaluate, \ | |
3956 | blend_mode) \ | |
3957 | if(delta_y < 0) \ | |
3958 | { \ | |
3959 | delta_y *= -1; \ | |
3960 | \ | |
3961 | if(delta_y >= 512) \ | |
3962 | return; \ | |
3963 | \ | |
3964 | if(delta_x > delta_y) \ | |
3965 | { \ | |
3966 | draw_line_span_horizontal(decrement, shading, blending, dithering, \ | |
3967 | mask_evaluate, blend_mode); \ | |
3968 | } \ | |
3969 | else \ | |
3970 | { \ | |
3971 | draw_line_span_vertical(decrement, shading, blending, dithering, \ | |
3972 | mask_evaluate, blend_mode); \ | |
3973 | } \ | |
3974 | } \ | |
3975 | else \ | |
3976 | { \ | |
3977 | if(delta_y >= 512) \ | |
3978 | return; \ | |
3979 | \ | |
3980 | if(delta_x > delta_y) \ | |
3981 | { \ | |
3982 | draw_line_span_horizontal(increment, shading, blending, dithering, \ | |
3983 | mask_evaluate, blend_mode); \ | |
3984 | } \ | |
3985 | else \ | |
3986 | { \ | |
3987 | draw_line_span_vertical(increment, shading, blending, dithering, \ | |
3988 | mask_evaluate, blend_mode); \ | |
3989 | } \ | |
3990 | } \ | |
3991 | ||
3992 | ||
3993 | void render_line(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, u32 flags, | |
3994 | u32 color) | |
3995 | { | |
3996 | s32 color_r, color_g, color_b; | |
3997 | u32 triangle_winding = 0; | |
3998 | ||
3999 | fixed_type gradient_r = 0; | |
4000 | fixed_type gradient_g = 0; | |
4001 | fixed_type gradient_b = 0; | |
4002 | fixed_type current_r = 0; | |
4003 | fixed_type current_g = 0; | |
4004 | fixed_type current_b = 0; | |
4005 | ||
4006 | s32 y_a, y_b; | |
4007 | s32 x_a, x_b; | |
4008 | ||
4009 | s32 delta_x, delta_y; | |
4010 | ||
4011 | s32 current_x; | |
4012 | s32 current_y; | |
4013 | ||
4014 | u32 error_step; | |
4015 | u32 error; | |
4016 | u32 error_wrap; | |
4017 | ||
4018 | u16 *vram_ptr; | |
4019 | ||
4020 | flush_render_block_buffer(psx_gpu); | |
4021 | psx_gpu->primitive_type = PRIMITIVE_TYPE_LINE; | |
4022 | ||
4023 | vertex_struct *vertex_a = &(vertexes[0]); | |
4024 | vertex_struct *vertex_b = &(vertexes[1]); | |
4025 | ||
4026 | u32 control_mask; | |
4027 | ||
4028 | lines++; | |
4029 | ||
4030 | if(vertex_a->x >= vertex_b->x) | |
4031 | { | |
4032 | vertex_swap(vertex_a, vertex_b); | |
4033 | } | |
4034 | ||
4035 | x_a = vertex_a->x; | |
4036 | x_b = vertex_b->x; | |
4037 | ||
4038 | y_a = vertex_a->y; | |
4039 | y_b = vertex_b->y; | |
4040 | ||
4041 | delta_x = x_b - x_a; | |
4042 | delta_y = y_b - y_a; | |
4043 | ||
4044 | if(delta_x >= 1024) | |
4045 | return; | |
4046 | ||
4047 | flags &= ~RENDER_FLAGS_TEXTURE_MAP; | |
4048 | ||
4049 | vram_ptr = psx_gpu->vram_ptr + (y_a * 1024) + x_a; | |
4050 | ||
4051 | control_mask = 0x0; | |
4052 | ||
4053 | if(flags & RENDER_FLAGS_SHADE) | |
4054 | control_mask |= 0x1; | |
4055 | ||
4056 | if(flags & RENDER_FLAGS_BLEND) | |
4057 | { | |
4058 | control_mask |= 0x2; | |
4059 | control_mask |= ((psx_gpu->render_state_base >> 6) & 0x3) << 4; | |
4060 | } | |
4061 | ||
4062 | if(psx_gpu->render_state_base & RENDER_STATE_DITHER) | |
4063 | control_mask |= 0x4; | |
4064 | ||
4065 | if(psx_gpu->render_state_base & RENDER_STATE_MASK_EVALUATE) | |
4066 | control_mask |= 0x8; | |
4067 | ||
4068 | switch(control_mask) | |
4069 | { | |
4070 | case 0x0: | |
4071 | render_line_body(unshaded, unblended, undithered, no, none); | |
4072 | break; | |
4073 | ||
4074 | case 0x1: | |
4075 | render_line_body(shaded, unblended, undithered, no, none); | |
4076 | break; | |
4077 | ||
4078 | case 0x2: | |
4079 | render_line_body(unshaded, blended, undithered, no, average); | |
4080 | break; | |
4081 | ||
4082 | case 0x3: | |
4083 | render_line_body(shaded, blended, undithered, no, average); | |
4084 | break; | |
4085 | ||
4086 | case 0x4: | |
4087 | render_line_body(unshaded, unblended, dithered, no, none); | |
4088 | break; | |
4089 | ||
4090 | case 0x5: | |
4091 | render_line_body(shaded, unblended, dithered, no, none); | |
4092 | break; | |
4093 | ||
4094 | case 0x6: | |
4095 | render_line_body(unshaded, blended, dithered, no, average); | |
4096 | break; | |
4097 | ||
4098 | case 0x7: | |
4099 | render_line_body(shaded, blended, dithered, no, average); | |
4100 | break; | |
4101 | ||
4102 | case 0x8: | |
4103 | render_line_body(unshaded, unblended, undithered, yes, none); | |
4104 | break; | |
4105 | ||
4106 | case 0x9: | |
4107 | render_line_body(shaded, unblended, undithered, yes, none); | |
4108 | break; | |
4109 | ||
4110 | case 0xA: | |
4111 | render_line_body(unshaded, blended, undithered, yes, average); | |
4112 | break; | |
4113 | ||
4114 | case 0xB: | |
4115 | render_line_body(shaded, blended, undithered, yes, average); | |
4116 | break; | |
4117 | ||
4118 | case 0xC: | |
4119 | render_line_body(unshaded, unblended, dithered, yes, none); | |
4120 | break; | |
4121 | ||
4122 | case 0xD: | |
4123 | render_line_body(shaded, unblended, dithered, yes, none); | |
4124 | break; | |
4125 | ||
4126 | case 0xE: | |
4127 | render_line_body(unshaded, blended, dithered, yes, average); | |
4128 | break; | |
4129 | ||
4130 | case 0xF: | |
4131 | render_line_body(shaded, blended, dithered, yes, average); | |
4132 | break; | |
4133 | ||
4134 | case 0x12: | |
4135 | render_line_body(unshaded, blended, undithered, no, add); | |
4136 | break; | |
4137 | ||
4138 | case 0x13: | |
4139 | render_line_body(shaded, blended, undithered, no, add); | |
4140 | break; | |
4141 | ||
4142 | case 0x16: | |
4143 | render_line_body(unshaded, blended, dithered, no, add); | |
4144 | break; | |
4145 | ||
4146 | case 0x17: | |
4147 | render_line_body(shaded, blended, dithered, no, add); | |
4148 | break; | |
4149 | ||
4150 | case 0x1A: | |
4151 | render_line_body(unshaded, blended, undithered, yes, add); | |
4152 | break; | |
4153 | ||
4154 | case 0x1B: | |
4155 | render_line_body(shaded, blended, undithered, yes, add); | |
4156 | break; | |
4157 | ||
4158 | case 0x1E: | |
4159 | render_line_body(unshaded, blended, dithered, yes, add); | |
4160 | break; | |
4161 | ||
4162 | case 0x1F: | |
4163 | render_line_body(shaded, blended, dithered, yes, add); | |
4164 | break; | |
4165 | ||
4166 | case 0x22: | |
4167 | render_line_body(unshaded, blended, undithered, no, subtract); | |
4168 | break; | |
4169 | ||
4170 | case 0x23: | |
4171 | render_line_body(shaded, blended, undithered, no, subtract); | |
4172 | break; | |
4173 | ||
4174 | case 0x26: | |
4175 | render_line_body(unshaded, blended, dithered, no, subtract); | |
4176 | break; | |
4177 | ||
4178 | case 0x27: | |
4179 | render_line_body(shaded, blended, dithered, no, subtract); | |
4180 | break; | |
4181 | ||
4182 | case 0x2A: | |
4183 | render_line_body(unshaded, blended, undithered, yes, subtract); | |
4184 | break; | |
4185 | ||
4186 | case 0x2B: | |
4187 | render_line_body(shaded, blended, undithered, yes, subtract); | |
4188 | break; | |
4189 | ||
4190 | case 0x2E: | |
4191 | render_line_body(unshaded, blended, dithered, yes, subtract); | |
4192 | break; | |
4193 | ||
4194 | case 0x2F: | |
4195 | render_line_body(shaded, blended, dithered, yes, subtract); | |
4196 | break; | |
4197 | ||
4198 | case 0x32: | |
4199 | render_line_body(unshaded, blended, undithered, no, add_fourth); | |
4200 | break; | |
4201 | ||
4202 | case 0x33: | |
4203 | render_line_body(shaded, blended, undithered, no, add_fourth); | |
4204 | break; | |
4205 | ||
4206 | case 0x36: | |
4207 | render_line_body(unshaded, blended, dithered, no, add_fourth); | |
4208 | break; | |
4209 | ||
4210 | case 0x37: | |
4211 | render_line_body(shaded, blended, dithered, no, add_fourth); | |
4212 | break; | |
4213 | ||
4214 | case 0x3A: | |
4215 | render_line_body(unshaded, blended, undithered, yes, add_fourth); | |
4216 | break; | |
4217 | ||
4218 | case 0x3B: | |
4219 | render_line_body(shaded, blended, undithered, yes, add_fourth); | |
4220 | break; | |
4221 | ||
4222 | case 0x3E: | |
4223 | render_line_body(unshaded, blended, dithered, yes, add_fourth); | |
4224 | break; | |
4225 | ||
4226 | case 0x3F: | |
4227 | render_line_body(shaded, blended, dithered, yes, add_fourth); | |
4228 | break; | |
4229 | } | |
4230 | } | |
4231 | ||
4232 | ||
4233 | void render_block_fill(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y, | |
4234 | u32 width, u32 height) | |
4235 | { | |
4236 | invalidate_texture_cache_region(psx_gpu, x, y, x + width - 1, y + height - 1); | |
4237 | ||
4238 | #ifndef PANDORA_BUILD | |
4239 | u32 r = color & 0xFF; | |
4240 | u32 g = (color >> 8) & 0xFF; | |
4241 | u32 b = (color >> 16) & 0xFF; | |
4242 | u32 color_16bpp = (r >> 3) | ((g >> 3) << 5) | ((b >> 3) << 10); | |
4243 | ||
4244 | u16 *vram_ptr = psx_gpu->vram_ptr + x + (y * 1024); | |
4245 | u32 draw_x, draw_y; | |
4246 | ||
4247 | for(draw_y = 0; draw_y < height; draw_y++) | |
4248 | { | |
4249 | for(draw_x = 0; draw_x < width; draw_x++) | |
4250 | { | |
4251 | vram_ptr[draw_x] = color_16bpp; | |
4252 | } | |
4253 | ||
4254 | vram_ptr += 1024; | |
4255 | } | |
4256 | #else | |
4257 | void render_block_fill_body(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y, | |
4258 | u32 width, u32 height); | |
4259 | ||
4260 | render_block_fill_body(psx_gpu, color, x, y, width, height); | |
4261 | #endif | |
4262 | } | |
4263 | ||
4264 | void render_block_copy(psx_gpu_struct *psx_gpu, u16 *source, u32 x, u32 y, | |
4265 | u32 width, u32 height, u32 pitch) | |
4266 | { | |
4267 | u16 *vram_ptr = psx_gpu->vram_ptr + x + (y * 1024); | |
4268 | u32 draw_x, draw_y; | |
4269 | ||
4270 | invalidate_texture_cache_region(psx_gpu, x, y, x + width - 1, y + height - 1); | |
4271 | ||
4272 | //printf("copy for %d, %d\n", width, height); | |
4273 | ||
4274 | for(draw_y = 0; draw_y < height; draw_y++) | |
4275 | { | |
4276 | for(draw_x = 0; draw_x < width; draw_x++) | |
4277 | { | |
4278 | vram_ptr[draw_x] = source[draw_x]; | |
4279 | } | |
4280 | ||
4281 | source += pitch; | |
4282 | vram_ptr += 1024; | |
4283 | } | |
4284 | } | |
4285 | ||
4286 | void render_block_move(psx_gpu_struct *psx_gpu, u32 source_x, u32 source_y, | |
4287 | u32 dest_x, u32 dest_y, u32 width, u32 height) | |
4288 | { | |
4289 | render_block_copy(psx_gpu, psx_gpu->vram_ptr + source_x + (source_y * 1024), | |
4290 | dest_x, dest_y, width, height, 1024); | |
4291 | } | |
4292 | ||
4293 | ||
4294 | void initialize_reciprocal_table(void) | |
4295 | { | |
4296 | u32 height; | |
4297 | u32 height_normalized; | |
4298 | u32 height_reciprocal; | |
4299 | s32 shift; | |
4300 | ||
4301 | for(height = 1; height < 512; height++) | |
4302 | { | |
4303 | shift = __builtin_clz(height); | |
4304 | height_normalized = height << shift; | |
4305 | height_reciprocal = ((1ULL << 50) + (height_normalized - 1)) / | |
4306 | height_normalized; | |
4307 | ||
4308 | shift = 32 - (50 - shift); | |
4309 | ||
4310 | reciprocal_table[height] = (height_reciprocal << 12) | shift; | |
4311 | } | |
4312 | } | |
4313 | ||
4314 | ||
4315 | #define dither_table_row(a, b, c, d) \ | |
4316 | ((a & 0xFF) | ((b & 0xFF) << 8) | ((c & 0xFF) << 16) | ((d & 0xFF) << 24)) \ | |
4317 | ||
e8c0e0bb | 4318 | void initialize_psx_gpu(psx_gpu_struct *psx_gpu, u16 *vram) |
75e28f62 E |
4319 | { |
4320 | vec_8x16u test_mask = | |
4321 | { { { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 } } }; | |
4322 | ||
4323 | psx_gpu->test_mask = test_mask; | |
4324 | ||
4325 | psx_gpu->pixel_count_mode = 0; | |
4326 | psx_gpu->pixel_compare_mode = 0; | |
4327 | ||
4328 | psx_gpu->vram_pixel_counts_a = malloc(sizeof(u8) * 1024 * 512); | |
4329 | psx_gpu->vram_pixel_counts_b = malloc(sizeof(u8) * 1024 * 512); | |
4330 | memset(psx_gpu->vram_pixel_counts_a, 0, sizeof(u8) * 1024 * 512); | |
4331 | memset(psx_gpu->vram_pixel_counts_b, 0, sizeof(u8) * 1024 * 512); | |
4332 | psx_gpu->compare_vram = malloc(sizeof(u16) * 1024 * 512); | |
4333 | ||
4334 | psx_gpu->dirty_textures_4bpp_mask = 0xFFFFFFFF; | |
4335 | psx_gpu->dirty_textures_8bpp_mask = 0xFFFFFFFF; | |
4336 | psx_gpu->dirty_textures_8bpp_alternate_mask = 0xFFFFFFFF; | |
4337 | psx_gpu->viewport_mask = 0; | |
4338 | psx_gpu->current_texture_page = 0; | |
4339 | psx_gpu->current_texture_mask = 0; | |
4340 | psx_gpu->last_8bpp_texture_page = 0; | |
4341 | ||
4342 | psx_gpu->clut_settings = 0; | |
4343 | psx_gpu->texture_settings = 0; | |
4344 | psx_gpu->render_state = 0; | |
4345 | psx_gpu->render_state_base = 0; | |
4346 | psx_gpu->num_blocks = 0; | |
4347 | ||
e8c0e0bb | 4348 | psx_gpu->vram_ptr = vram; |
75e28f62 E |
4349 | |
4350 | psx_gpu->texture_page_ptr = psx_gpu->vram_ptr; | |
4351 | psx_gpu->clut_ptr = psx_gpu->vram_ptr; | |
4352 | ||
4353 | psx_gpu->mask_msb = 0; | |
4354 | ||
4355 | memset(psx_gpu->vram_ptr, 0, sizeof(u16) * 1024 * 512); | |
4356 | ||
4357 | initialize_reciprocal_table(); | |
4358 | ||
4359 | // 00 01 10 11 | |
4360 | // 00 0 4 1 5 | |
4361 | // 01 6 2 7 3 | |
4362 | // 10 1 5 0 4 | |
4363 | // 11 7 3 6 2 | |
4364 | // (minus ones(4) * 4) | |
4365 | ||
4366 | // d0: (1 3 5 7): x1 ^ y1 | |
4367 | // d1: (2 3 6 7): y0 | |
4368 | // d2: (4 5 6 7): x0 ^ y0 | |
4369 | ||
4370 | ||
4371 | psx_gpu->dither_table[0] = dither_table_row(-4, 0, -3, 1); | |
4372 | psx_gpu->dither_table[1] = dither_table_row(2, -2, 3, -1); | |
4373 | psx_gpu->dither_table[2] = dither_table_row(-3, 1, -4, 0); | |
4374 | psx_gpu->dither_table[3] = dither_table_row(3, -1, 2, -2); | |
4375 | ||
4376 | psx_gpu->primitive_type = PRIMITIVE_TYPE_UNKNOWN; | |
4377 | } | |
4378 | ||
4379 | u64 get_us(void) | |
4380 | { | |
4381 | struct timeval tv; | |
4382 | gettimeofday(&tv, NULL); | |
4383 | ||
4384 | return (tv.tv_sec * 1000000ULL) + tv.tv_usec; | |
4385 | } | |
4386 | ||
4387 | #ifdef PANDORA_BUILD | |
4388 | ||
4389 | u32 get_counter() | |
4390 | { | |
4391 | u32 counter; | |
4392 | __asm__ volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(counter)); | |
4393 | ||
4394 | return counter; | |
4395 | } | |
4396 | ||
4397 | void init_counter(void) | |
4398 | { | |
4399 | u32 value; | |
4400 | asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r"(value)); | |
4401 | value |= 5; // master enable, ccnt reset | |
4402 | value &= ~8; // ccnt divider 0 | |
4403 | asm volatile("mcr p15, 0, %0, c9, c12, 0" :: "r"(value)); | |
4404 | // enable cycle counter | |
4405 | asm volatile("mcr p15, 0, %0, c9, c12, 1" :: "r"(1 << 31)); | |
4406 | } | |
4407 | ||
4408 | void triangle_benchmark(psx_gpu_struct *psx_gpu) | |
4409 | { | |
4410 | u32 i; | |
4411 | ||
4412 | u32 ticks; | |
4413 | u32 ticks_elapsed; | |
4414 | ||
4415 | const u32 iterations = 500000; | |
4416 | ||
4417 | psx_gpu->num_blocks = 64; | |
4418 | psx_gpu->clut_ptr = psx_gpu->vram_ptr; | |
4419 | ||
4420 | for(i = 0; i < 64; i++) | |
4421 | { | |
4422 | memset(&(psx_gpu->blocks[i].r), 0, 16); | |
4423 | } | |
4424 | ||
4425 | init_counter(); | |
4426 | ||
4427 | ticks = get_counter(); | |
4428 | ||
4429 | for(i = 0; i < iterations; i++) | |
4430 | { | |
4431 | texture_sprite_blocks_8bpp(psx_gpu); | |
4432 | } | |
4433 | ||
4434 | ticks_elapsed = get_counter() - ticks; | |
4435 | ||
4436 | printf("benchmark: %lf cycles\n", (double)ticks_elapsed / (iterations * 64)); | |
4437 | } | |
4438 | ||
4439 | #endif | |
4440 |