gpu_neon: revive the old tests
[pcsx_rearmed.git] / plugins / gpu_neon / psx_gpu / psx_gpu_main.c
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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
18#include "SDL.h"
19#include "common.h"
20
21extern u32 span_pixels;
22extern u32 span_pixel_blocks;
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23extern u32 spans;
24extern u32 triangles;
25extern u32 sprites;
26extern u32 sprites_4bpp;
27extern u32 sprites_8bpp;
28extern u32 sprites_16bpp;
29extern u32 sprites_untextured;
30extern u32 sprite_blocks;
31extern u32 lines;
32extern u32 texels_4bpp;
33extern u32 texels_8bpp;
34extern u32 texels_16bpp;
35extern u32 texel_blocks_4bpp;
36extern u32 texel_blocks_8bpp;
37extern u32 texel_blocks_16bpp;
38extern u32 texel_blocks_untextured;
39extern u32 blend_blocks;
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40extern u32 render_buffer_flushes;
41extern u32 state_changes;
42extern u32 trivial_rejects;
43extern u32 left_split_triangles;
44extern u32 flat_triangles;
45extern u32 clipped_triangles;
46extern u32 zero_block_spans;
47extern u32 texture_cache_loads;
3867c6ef 48extern u32 false_modulated_blocks;
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49
50static u32 mismatches;
51
52typedef struct
53{
54 u16 vram[1024 * 512];
55 u32 gpu_register[15];
56 u32 status;
57} gpu_dump_struct;
58
59static gpu_dump_struct state;
60
61psx_gpu_struct __attribute__((aligned(256))) _psx_gpu;
3867c6ef 62u16 __attribute__((aligned(256))) _vram[(1024 * 512) + 1024];
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63
64#define percent_of(numerator, denominator) \
65 ((((double)(numerator)) / (denominator)) * 100.0) \
66
67void clear_stats(void)
68{
69 triangles = 0;
70 sprites = 0;
71 sprites_4bpp = 0;
72 sprites_8bpp = 0;
73 sprites_16bpp = 0;
74 sprites_untextured = 0;
75 sprite_blocks = 0;
76 lines = 0;
77 span_pixels = 0;
78 span_pixel_blocks = 0;
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79 spans = 0;
80 texels_4bpp = 0;
81 texels_8bpp = 0;
82 texels_16bpp = 0;
83 texel_blocks_untextured = 0;
84 texel_blocks_4bpp = 0;
85 texel_blocks_8bpp = 0;
86 texel_blocks_16bpp = 0;
87 blend_blocks = 0;
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88 render_buffer_flushes = 0;
89 state_changes = 0;
90 trivial_rejects = 0;
91 left_split_triangles = 0;
92 flat_triangles = 0;
93 clipped_triangles = 0;
94 zero_block_spans = 0;
95 texture_cache_loads = 0;
3867c6ef 96 false_modulated_blocks = 0;
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97}
98
99void update_screen(psx_gpu_struct *psx_gpu, SDL_Surface *screen)
100{
101 u32 x, y;
102
103 for(y = 0; y < 512; y++)
104 {
105 for(x = 0; x < 1024; x++)
106 {
107 u32 pixel = psx_gpu->vram_ptr[(y * 1024) + x];
108 ((u32 *)screen->pixels)[(y * 1024) + x] =
109 ((pixel & 0x1F) << (16 + 3)) |
110 (((pixel >> 5) & 0x1F) << (8 + 3)) |
111 (((pixel >> 10) & 0x1F) << 3);
112 }
113 }
114
115 SDL_Flip(screen);
116}
117
2bbbb7af 118#ifdef NEON_BUILD
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119
120#include <fcntl.h>
121#include <linux/fb.h>
122#include <sys/mman.h>
123#include <sys/ioctl.h>
124
125#endif
126
127int main(int argc, char *argv[])
128{
129 psx_gpu_struct *psx_gpu = &_psx_gpu;
f82c6250 130 SDL_Surface *screen = NULL;
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131 SDL_Event event;
132
133 u32 *list;
134 int size;
135 FILE *state_file;
136 FILE *list_file;
137 u32 no_display = 0;
90ac6fed 138 s32 dummy0 = 0;
52fb8909 139 s32 dummy1 = 0;
140 u32 dummy2 = 0;
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141
142 if((argc != 3) && (argc != 4))
143 {
144 printf("usage:\n%s <state> <list>\n", argv[0]);
145 return 1;
146 }
147
148 if((argc == 4) && !strcmp(argv[3], "-n"))
149 no_display = 1;
150
151 state_file = fopen(argv[1], "rb");
152 fread(&state, 1, sizeof(gpu_dump_struct), state_file);
153 fclose(state_file);
154
155 list_file = fopen(argv[2], "rb");
156
157 fseek(list_file, 0, SEEK_END);
158 size = ftell(list_file);
159 fseek(list_file, 0, SEEK_SET);
160 //size = 0;
3867c6ef 161
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162 list = malloc(size);
163 fread(list, 1, size, list_file);
164 fclose(list_file);
165
166 if(no_display == 0)
167 {
168 SDL_Init(SDL_INIT_EVERYTHING);
169 screen = SDL_SetVideoMode(1024, 512, 32, 0);
f82c6250 170 if (screen == 0)
171 {
172 printf("can't set video mode: %s\n", SDL_GetError());
173 return 1;
174 }
75e28f62 175 }
75e28f62 176
2bbbb7af 177#ifdef NEON_BUILD
f82c6250 178 u16 *vram_ptr;
179#if 0
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180 system("ofbset -fb /dev/fb1 -mem 6291456 -en 0");
181 u32 fbdev_handle = open("/dev/fb1", O_RDWR);
3867c6ef 182 vram_ptr = (mmap((void *)0x50000000, 1024 * 1024 * 2, PROT_READ | PROT_WRITE,
75e28f62 183 MAP_SHARED | 0xA0000000, fbdev_handle, 0));
52fb8909 184#elif 0
f82c6250 185 #ifndef MAP_HUGETLB
186 #define MAP_HUGETLB 0x40000 /* arch specific */
187 #endif
188 vram_ptr = (mmap((void *)0x50000000, 1024 * 1024 * 2, PROT_READ | PROT_WRITE,
189 MAP_ANONYMOUS | MAP_PRIVATE | MAP_HUGETLB, -1, 0));
190#else
191 vram_ptr = (mmap((void *)0x50000000, 1024 * 1024 * 2, PROT_READ | PROT_WRITE,
192 MAP_ANONYMOUS | MAP_PRIVATE, -1, 0));
193#endif
194 if (vram_ptr == MAP_FAILED)
195 {
196 perror("mmap");
197 return 1;
198 }
3867c6ef 199 vram_ptr += 64;
75e28f62 200
87c45ad1 201 initialize_psx_gpu(psx_gpu, vram_ptr);
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202#else
203 initialize_psx_gpu(psx_gpu, _vram + 64);
204#endif
75e28f62 205
2bbbb7af 206#ifdef NEON_BUILD
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207 //triangle_benchmark(psx_gpu);
208 //return 0;
209#endif
210
75e28f62 211 memcpy(psx_gpu->vram_ptr, state.vram, 1024 * 512 * 2);
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212
213 clear_stats();
214
52fb8909 215#ifdef CYCLE_COUNTER
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216 init_counter();
217#endif
218
52fb8909 219 gpu_parse(psx_gpu, list, size, &dummy0, &dummy1, &dummy2);
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220 flush_render_block_buffer(psx_gpu);
221
222 clear_stats();
223
52fb8909 224#ifdef CYCLE_COUNTER
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225 u32 cycles = get_counter();
226#endif
227
52fb8909 228 gpu_parse(psx_gpu, list, size, &dummy0, &dummy1, &dummy2);
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229 flush_render_block_buffer(psx_gpu);
230
52fb8909 231#ifdef CYCLE_COUNTER
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232 u32 cycles_elapsed = get_counter() - cycles;
233
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234 printf("%-64s: %d\n", argv[1], cycles_elapsed);
235#else
236 printf("%-64s: ", argv[1]);
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237#endif
238
87c45ad1 239#if 1
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240 u32 i;
241
242 for(i = 0; i < 1024 * 512; i++)
243 {
244 if((psx_gpu->vram_ptr[i] & 0x7FFF) != (state.vram[i] & 0x7FFF))
245 {
246 printf("(%d %d %d) vs (%d %d %d) at (%d %d)\n",
247 psx_gpu->vram_ptr[i] & 0x1F,
248 (psx_gpu->vram_ptr[i] >> 5) & 0x1F,
249 (psx_gpu->vram_ptr[i] >> 10) & 0x1F,
250 state.vram[i] & 0x1F,
251 (state.vram[i] >> 5) & 0x1F,
252 (state.vram[i] >> 10) & 0x1F, i % 1024, i / 1024);
253
254 mismatches++;
255 }
256 else
257 {
258 psx_gpu->vram_ptr[i] =
259 ((psx_gpu->vram_ptr[i] & 0x1F) / 4) |
260 ((((psx_gpu->vram_ptr[i] >> 5) & 0x1F) / 4) << 5) |
261 ((((psx_gpu->vram_ptr[i] >> 10) & 0x1F) / 4) << 10);
262 }
263 }
264#endif
75e28f62 265
87c45ad1 266#if 0
75e28f62 267 printf("\n");
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268 printf(" %d pixels, %d pixel blocks, %d spans\n"
269 " (%lf pixels per block, %lf pixels per span),\n"
75e28f62 270 " %lf blocks per span (%lf per non-zero span), %lf overdraw)\n\n",
3867c6ef 271 span_pixels, span_pixel_blocks, spans,
75e28f62 272 (double)span_pixels / span_pixel_blocks,
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273 (double)span_pixels / spans,
274 (double)span_pixel_blocks / spans,
275 (double)span_pixel_blocks / (spans - zero_block_spans),
276 (double)span_pixels /
277 ((psx_gpu->viewport_end_x - psx_gpu->viewport_start_x) *
278 (psx_gpu->viewport_end_y - psx_gpu->viewport_start_y)));
279
3867c6ef 280 printf(" %d triangles\n"
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281 " (%d trivial rejects, %lf%% flat, %lf%% left split, %lf%% clipped)\n"
282 " (%lf pixels per triangle, %lf rows per triangle)\n\n",
3867c6ef 283 triangles, trivial_rejects,
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284 percent_of(flat_triangles, triangles),
285 percent_of(left_split_triangles, triangles),
286 percent_of(clipped_triangles, triangles),
287 (double)span_pixels / triangles,
288 (double)spans / triangles);
289
290 printf(" Block data:\n");
291 printf(" %7d 4bpp texel blocks (%lf%%)\n", texel_blocks_4bpp,
292 percent_of(texel_blocks_4bpp, span_pixel_blocks));
293 printf(" %7d 8bpp texel blocks (%lf%%)\n", texel_blocks_8bpp,
294 percent_of(texel_blocks_8bpp, span_pixel_blocks));
295 printf(" %7d 16bpp texel blocks (%lf%%)\n", texel_blocks_16bpp,
296 percent_of(texel_blocks_16bpp, span_pixel_blocks));
297 printf(" %7d untextured blocks (%lf%%)\n", texel_blocks_untextured,
298 percent_of(texel_blocks_untextured, span_pixel_blocks));
299 printf(" %7d sprite blocks (%lf%%)\n", sprite_blocks,
300 percent_of(sprite_blocks, span_pixel_blocks));
301 printf(" %7d blended blocks (%lf%%)\n", blend_blocks,
302 percent_of(blend_blocks, span_pixel_blocks));
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303 printf(" %7d false-mod blocks (%lf%%)\n", false_modulated_blocks,
304 percent_of(false_modulated_blocks, span_pixel_blocks));
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305 printf("\n");
306 printf(" %lf blocks per render buffer flush\n", (double)span_pixel_blocks /
307 render_buffer_flushes);
308 printf(" %d zero block spans\n", zero_block_spans);
309 printf(" %d state changes, %d texture cache loads\n", state_changes,
310 texture_cache_loads);
311 if(sprites)
312 {
313 printf(" %d sprites\n"
314 " 4bpp: %lf%%\n"
315 " 8bpp: %lf%%\n"
316 " 16bpp: %lf%%\n"
317 " untextured: %lf%%\n",
318 sprites, percent_of(sprites_4bpp, sprites),
319 percent_of(sprites_8bpp, sprites), percent_of(sprites_16bpp, sprites),
320 percent_of(sprites_untextured, sprites));
321 }
f9248bbf 322 printf(" %d lines\n", lines);
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323 printf("\n");
324 printf(" %d mismatches\n\n\n", mismatches);
325#endif
326
327 fflush(stdout);
328
329 if(no_display == 0)
330 {
331 while(1)
332 {
333 update_screen(psx_gpu, screen);
334
335 if(SDL_PollEvent(&event))
336 {
337 if((event.type == SDL_QUIT) ||
338 ((event.type == SDL_KEYDOWN) &&
339 (event.key.keysym.sym == SDLK_ESCAPE)))
340 {
341 break;
342 }
343 }
344
345 SDL_Delay(20);
346 }
347 }
348
349 return (mismatches != 0);
350}