Commit | Line | Data |
---|---|---|
90ca4913 | 1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2011 | |
3 | * | |
4 | * This work is licensed under the terms of any of these licenses | |
5 | * (at your option): | |
6 | * - GNU GPL, version 2 or later. | |
7 | * - GNU LGPL, version 2.1 or later. | |
8 | * See the COPYING file in the top-level directory. | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
3b7b0065 | 12 | #include <assert.h> |
1fce6ce8 | 13 | |
3b7b0065 | 14 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
9a864a8f | 15 | #ifndef min |
16 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
17 | #endif | |
18 | #ifndef max | |
19 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
20 | #endif | |
90ca4913 | 21 | |
652c6b8b | 22 | extern const unsigned char cmd_lengths[256]; |
23 | #define command_lengths cmd_lengths | |
24 | ||
b243416b | 25 | static unsigned int *ex_regs; |
9ee0fd5b | 26 | static int initialized; |
b243416b | 27 | |
28 | #define PCSX | |
29 | #define SET_Ex(r, v) \ | |
30 | ex_regs[r] = v | |
31 | ||
3b7b0065 | 32 | static __attribute__((noinline)) void |
33 | sync_enhancement_buffers(int x, int y, int w, int h); | |
34 | ||
35 | #include "../gpulib/gpu.h" | |
90ca4913 | 36 | #include "psx_gpu/psx_gpu.c" |
90ca4913 | 37 | #include "psx_gpu/psx_gpu_parse.c" |
90ca4913 | 38 | |
39 | static psx_gpu_struct egpu __attribute__((aligned(256))); | |
40 | ||
b243416b | 41 | int do_cmd_list(uint32_t *list, int count, int *last_cmd) |
90ca4913 | 42 | { |
c1817bd9 | 43 | int ret; |
44 | ||
9775fc33 | 45 | #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD) |
46 | // the asm doesn't bother to save callee-save vector regs, so do it here | |
47 | __asm__ __volatile__("":::"q4","q5","q6","q7"); | |
48 | #endif | |
49 | ||
c1817bd9 | 50 | if (gpu.state.enhancement_active) |
51 | ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd); | |
52 | else | |
53 | ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd); | |
b243416b | 54 | |
9775fc33 | 55 | #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD) |
56 | __asm__ __volatile__("":::"q4","q5","q6","q7"); | |
57 | #endif | |
58 | ||
b243416b | 59 | ex_regs[1] &= ~0x1ff; |
60 | ex_regs[1] |= egpu.texture_settings & 0x1ff; | |
61 | return ret; | |
90ca4913 | 62 | } |
63 | ||
06bc35c8 | 64 | #define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2) |
50f9355a | 65 | |
5bbe183f | 66 | static void *get_enhancement_bufer(int *x, int *y, int *w, int *h, |
fa56d360 | 67 | int *vram_h) |
a8be0deb | 68 | { |
9a864a8f | 69 | uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x, *y); |
70 | if (ret == NULL) | |
71 | return NULL; | |
a8be0deb | 72 | |
73 | *x *= 2; | |
74 | *y *= 2; | |
75 | *w = *w * 2; | |
76 | *h = *h * 2; | |
fa56d360 | 77 | *vram_h = 1024; |
a8be0deb | 78 | return ret; |
79 | } | |
80 | ||
9ee0fd5b | 81 | static void map_enhancement_buffer(void) |
90ca4913 | 82 | { |
9ee0fd5b | 83 | // currently we use 4x 1024*1024 buffers instead of single 2048*1024 |
84 | // to be able to reuse 1024-width code better (triangle setup, | |
85 | // dithering phase, lines). | |
a8be0deb | 86 | egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE); |
87 | if (egpu.enhancement_buf_ptr == NULL) { | |
9ee0fd5b | 88 | fprintf(stderr, "failed to map enhancement buffer\n"); |
a8be0deb | 89 | gpu.get_enhancement_bufer = NULL; |
90 | } | |
91 | else { | |
92 | egpu.enhancement_buf_ptr += 4096 / 2; | |
93 | gpu.get_enhancement_bufer = get_enhancement_bufer; | |
94 | } | |
9ee0fd5b | 95 | } |
e929dec5 | 96 | |
9ee0fd5b | 97 | int renderer_init(void) |
98 | { | |
99 | if (gpu.vram != NULL) { | |
100 | initialize_psx_gpu(&egpu, gpu.vram); | |
101 | initialized = 1; | |
e929dec5 | 102 | } |
e929dec5 | 103 | |
a8be0deb | 104 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) |
9ee0fd5b | 105 | map_enhancement_buffer(); |
106 | ||
107 | ex_regs = gpu.ex_regs; | |
90ca4913 | 108 | return 0; |
109 | } | |
110 | ||
e929dec5 | 111 | void renderer_finish(void) |
112 | { | |
a8be0deb | 113 | if (egpu.enhancement_buf_ptr != NULL) { |
114 | egpu.enhancement_buf_ptr -= 4096 / 2; | |
115 | gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE); | |
06bc35c8 | 116 | } |
e929dec5 | 117 | egpu.enhancement_buf_ptr = NULL; |
06bc35c8 | 118 | egpu.enhancement_current_buf_ptr = NULL; |
9ee0fd5b | 119 | initialized = 0; |
e929dec5 | 120 | } |
121 | ||
50f9355a | 122 | static __attribute__((noinline)) void |
123 | sync_enhancement_buffers(int x, int y, int w, int h) | |
124 | { | |
9a864a8f | 125 | int i, right = x + w, bottom = y + h; |
126 | const u16 *src = gpu.vram; | |
127 | // use these because the scanout struct may hold reduced w, h | |
128 | // due to intersection stuff, see the update_enhancement_buf_scanouts() mess | |
129 | int s_w = max(gpu.screen.hres, gpu.screen.w); | |
130 | int s_h = gpu.screen.vres; | |
131 | s_w = min(s_w, 512); | |
132 | for (i = 0; i < ARRAY_SIZE(egpu.enhancement_scanouts); i++) { | |
133 | const struct psx_gpu_scanout *s = &egpu.enhancement_scanouts[i]; | |
134 | u16 *dst = select_enhancement_buf_by_index(&egpu, i); | |
135 | int x1, x2, y1, y2; | |
136 | if (s->w == 0) continue; | |
137 | if (s->x >= right) continue; | |
138 | if (s->x + s_w <= x) continue; | |
139 | if (s->y >= bottom) continue; | |
140 | if (s->y + s_h <= y) continue; | |
141 | x1 = max(x, s->x); | |
142 | x2 = min(right, s->x + s_w); | |
143 | y1 = max(y, s->y); | |
144 | y2 = min(bottom, s->y + s_h); | |
145 | scale2x_tiles8(dst + y1 * 1024*2 + x1 * 2, | |
146 | src + y1 * 1024 + x1, (x2 - x1 + 7) / 8u, y2 - y1); | |
50f9355a | 147 | } |
148 | } | |
149 | ||
90ca4913 | 150 | void renderer_sync_ecmds(uint32_t *ecmds) |
151 | { | |
b243416b | 152 | gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL); |
90ca4913 | 153 | } |
154 | ||
3b7b0065 | 155 | void renderer_update_caches(int x, int y, int w, int h, int state_changed) |
90ca4913 | 156 | { |
05740673 | 157 | update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1); |
3b7b0065 | 158 | |
159 | if (gpu.state.enhancement_active) { | |
160 | if (state_changed) { | |
9a864a8f | 161 | memset(egpu.enhancement_scanouts, 0, sizeof(egpu.enhancement_scanouts)); |
162 | egpu.enhancement_scanout_eselect = 0; | |
6ae77271 | 163 | update_enhancement_buf_scanouts(&egpu, |
164 | gpu.screen.src_x, gpu.screen.src_y, gpu.screen.hres, gpu.screen.vres); | |
3b7b0065 | 165 | return; |
166 | } | |
50f9355a | 167 | sync_enhancement_buffers(x, y, w, h); |
3b7b0065 | 168 | } |
90ca4913 | 169 | } |
170 | ||
171 | void renderer_flush_queues(void) | |
172 | { | |
173 | flush_render_block_buffer(&egpu); | |
174 | } | |
175 | ||
5440b88e | 176 | void renderer_set_interlace(int enable, int is_odd) |
177 | { | |
f1359c57 | 178 | egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD); |
5440b88e | 179 | if (enable) |
f1359c57 | 180 | egpu.render_mode |= RENDER_INTERLACE_ENABLED; |
5440b88e | 181 | if (is_odd) |
f1359c57 | 182 | egpu.render_mode |= RENDER_INTERLACE_ODD; |
5440b88e | 183 | } |
184 | ||
e929dec5 | 185 | void renderer_notify_res_change(void) |
186 | { | |
9a864a8f | 187 | renderer_notify_scanout_change(gpu.screen.src_x, gpu.screen.src_y); |
3b7b0065 | 188 | } |
189 | ||
9a864a8f | 190 | void renderer_notify_scanout_change(int x, int y) |
3b7b0065 | 191 | { |
9a864a8f | 192 | if (!gpu.state.enhancement_active || !egpu.enhancement_buf_ptr) |
3b7b0065 | 193 | return; |
194 | ||
9a864a8f | 195 | update_enhancement_buf_scanouts(&egpu, x, y, gpu.screen.hres, gpu.screen.vres); |
e929dec5 | 196 | } |
197 | ||
c1817bd9 | 198 | #include "../../frontend/plugin_lib.h" |
199 | ||
90ca4913 | 200 | void renderer_set_config(const struct rearmed_cbs *cbs) |
201 | { | |
9ee0fd5b | 202 | if (!initialized) { |
203 | initialize_psx_gpu(&egpu, gpu.vram); | |
204 | initialized = 1; | |
205 | } | |
fa56d360 | 206 | if (cbs->pl_set_gpu_caps) |
207 | cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X); | |
5c1cbedc | 208 | |
209 | egpu.use_dithering = cbs->gpu_neon.allow_dithering; | |
210 | if(!egpu.use_dithering) { | |
211 | egpu.dither_table[0] = dither_table_row(0, 0, 0, 0); | |
212 | egpu.dither_table[1] = dither_table_row(0, 0, 0, 0); | |
213 | egpu.dither_table[2] = dither_table_row(0, 0, 0, 0); | |
214 | egpu.dither_table[3] = dither_table_row(0, 0, 0, 0); | |
215 | } else { | |
216 | egpu.dither_table[0] = dither_table_row(-4, 0, -3, 1); | |
217 | egpu.dither_table[1] = dither_table_row(2, -2, 3, -1); | |
218 | egpu.dither_table[2] = dither_table_row(-3, 1, -4, 0); | |
219 | egpu.dither_table[3] = dither_table_row(3, -1, 2, -2); | |
220 | } | |
221 | ||
3b7b0065 | 222 | disable_main_render = cbs->gpu_neon.enhancement_no_main; |
223 | if (gpu.state.enhancement_enable) { | |
224 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) | |
225 | map_enhancement_buffer(); | |
226 | } | |
90ca4913 | 227 | } |
3b7b0065 | 228 | |
c765eb86 JW |
229 | void renderer_sync(void) |
230 | { | |
231 | } | |
3b7b0065 | 232 | |
c765eb86 JW |
233 | void renderer_notify_update_lace(int updated) |
234 | { | |
235 | } | |
3b7b0065 | 236 | |
237 | // vim:ts=2:sw=2:expandtab |