Commit | Line | Data |
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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> | |
1fce6ce8 | 12 | |
13 | #ifdef _WIN32 | |
14 | #include <mman.h> | |
15 | #else | |
50f9355a | 16 | #include <sys/mman.h> |
1fce6ce8 | 17 | #endif |
90ca4913 | 18 | |
652c6b8b | 19 | extern const unsigned char cmd_lengths[256]; |
20 | #define command_lengths cmd_lengths | |
21 | ||
b243416b | 22 | static unsigned int *ex_regs; |
9ee0fd5b | 23 | static int initialized; |
b243416b | 24 | |
25 | #define PCSX | |
26 | #define SET_Ex(r, v) \ | |
27 | ex_regs[r] = v | |
28 | ||
90ca4913 | 29 | #include "psx_gpu/psx_gpu.c" |
90ca4913 | 30 | #include "psx_gpu/psx_gpu_parse.c" |
62d7fa95 | 31 | #include "../gpulib/gpu.h" |
90ca4913 | 32 | |
33 | static psx_gpu_struct egpu __attribute__((aligned(256))); | |
34 | ||
b243416b | 35 | int do_cmd_list(uint32_t *list, int count, int *last_cmd) |
90ca4913 | 36 | { |
c1817bd9 | 37 | int ret; |
38 | ||
9775fc33 | 39 | #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD) |
40 | // the asm doesn't bother to save callee-save vector regs, so do it here | |
41 | __asm__ __volatile__("":::"q4","q5","q6","q7"); | |
42 | #endif | |
43 | ||
c1817bd9 | 44 | if (gpu.state.enhancement_active) |
45 | ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd); | |
46 | else | |
47 | ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd); | |
b243416b | 48 | |
9775fc33 | 49 | #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD) |
50 | __asm__ __volatile__("":::"q4","q5","q6","q7"); | |
51 | #endif | |
52 | ||
b243416b | 53 | ex_regs[1] &= ~0x1ff; |
54 | ex_regs[1] |= egpu.texture_settings & 0x1ff; | |
55 | return ret; | |
90ca4913 | 56 | } |
57 | ||
06bc35c8 | 58 | #define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2) |
50f9355a | 59 | |
5bbe183f | 60 | static void *get_enhancement_bufer(int *x, int *y, int *w, int *h, |
fa56d360 | 61 | int *vram_h) |
a8be0deb | 62 | { |
63 | uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x); | |
64 | ||
65 | *x *= 2; | |
66 | *y *= 2; | |
67 | *w = *w * 2; | |
68 | *h = *h * 2; | |
fa56d360 | 69 | *vram_h = 1024; |
a8be0deb | 70 | return ret; |
71 | } | |
72 | ||
9ee0fd5b | 73 | static void map_enhancement_buffer(void) |
90ca4913 | 74 | { |
9ee0fd5b | 75 | // currently we use 4x 1024*1024 buffers instead of single 2048*1024 |
76 | // to be able to reuse 1024-width code better (triangle setup, | |
77 | // dithering phase, lines). | |
a8be0deb | 78 | egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE); |
79 | if (egpu.enhancement_buf_ptr == NULL) { | |
9ee0fd5b | 80 | fprintf(stderr, "failed to map enhancement buffer\n"); |
a8be0deb | 81 | gpu.get_enhancement_bufer = NULL; |
82 | } | |
83 | else { | |
84 | egpu.enhancement_buf_ptr += 4096 / 2; | |
85 | gpu.get_enhancement_bufer = get_enhancement_bufer; | |
86 | } | |
9ee0fd5b | 87 | } |
e929dec5 | 88 | |
9ee0fd5b | 89 | int renderer_init(void) |
90 | { | |
91 | if (gpu.vram != NULL) { | |
92 | initialize_psx_gpu(&egpu, gpu.vram); | |
93 | initialized = 1; | |
e929dec5 | 94 | } |
e929dec5 | 95 | |
a8be0deb | 96 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) |
9ee0fd5b | 97 | map_enhancement_buffer(); |
98 | ||
99 | ex_regs = gpu.ex_regs; | |
90ca4913 | 100 | return 0; |
101 | } | |
102 | ||
e929dec5 | 103 | void renderer_finish(void) |
104 | { | |
a8be0deb | 105 | if (egpu.enhancement_buf_ptr != NULL) { |
106 | egpu.enhancement_buf_ptr -= 4096 / 2; | |
107 | gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE); | |
06bc35c8 | 108 | } |
e929dec5 | 109 | egpu.enhancement_buf_ptr = NULL; |
06bc35c8 | 110 | egpu.enhancement_current_buf_ptr = NULL; |
9ee0fd5b | 111 | initialized = 0; |
e929dec5 | 112 | } |
113 | ||
50f9355a | 114 | static __attribute__((noinline)) void |
115 | sync_enhancement_buffers(int x, int y, int w, int h) | |
116 | { | |
7956599f | 117 | const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16); |
50f9355a | 118 | u16 *src, *dst; |
7956599f | 119 | int w1, fb_index; |
50f9355a | 120 | |
7956599f | 121 | w += x & (step_x - 1); |
122 | x &= ~(step_x - 1); | |
123 | w = (w + step_x - 1) & ~(step_x - 1); | |
50f9355a | 124 | if (y + h > 512) |
125 | h = 512 - y; | |
126 | ||
7956599f | 127 | while (w > 0) { |
128 | fb_index = egpu.enhancement_buf_by_x16[x / step_x]; | |
129 | for (w1 = 0; w > 0; w1++, w -= step_x) | |
130 | if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1]) | |
131 | break; | |
132 | ||
133 | src = gpu.vram + y * 1024 + x; | |
134 | dst = select_enhancement_buf_ptr(&egpu, x); | |
135 | dst += (y * 1024 + x) * 2; | |
136 | scale2x_tiles8(dst, src, w1 * step_x / 8, h); | |
137 | ||
138 | x += w1 * step_x; | |
50f9355a | 139 | } |
140 | } | |
141 | ||
90ca4913 | 142 | void renderer_sync_ecmds(uint32_t *ecmds) |
143 | { | |
b243416b | 144 | gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL); |
90ca4913 | 145 | } |
146 | ||
05740673 | 147 | void renderer_update_caches(int x, int y, int w, int h) |
90ca4913 | 148 | { |
05740673 | 149 | update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1); |
5b568098 | 150 | if (gpu.state.enhancement_active && !(gpu.status & PSX_GPU_STATUS_RGB24)) |
50f9355a | 151 | sync_enhancement_buffers(x, y, w, h); |
90ca4913 | 152 | } |
153 | ||
154 | void renderer_flush_queues(void) | |
155 | { | |
156 | flush_render_block_buffer(&egpu); | |
157 | } | |
158 | ||
5440b88e | 159 | void renderer_set_interlace(int enable, int is_odd) |
160 | { | |
f1359c57 | 161 | egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD); |
5440b88e | 162 | if (enable) |
f1359c57 | 163 | egpu.render_mode |= RENDER_INTERLACE_ENABLED; |
5440b88e | 164 | if (is_odd) |
f1359c57 | 165 | egpu.render_mode |= RENDER_INTERLACE_ODD; |
5440b88e | 166 | } |
167 | ||
e929dec5 | 168 | void renderer_notify_res_change(void) |
169 | { | |
50f9355a | 170 | // note: must keep it multiple of 8 |
7956599f | 171 | if (egpu.enhancement_x_threshold != gpu.screen.hres) |
172 | { | |
173 | egpu.enhancement_x_threshold = gpu.screen.hres; | |
77e34391 | 174 | update_enhancement_buf_table_from_hres(&egpu); |
7956599f | 175 | } |
e929dec5 | 176 | } |
177 | ||
c1817bd9 | 178 | #include "../../frontend/plugin_lib.h" |
179 | ||
90ca4913 | 180 | void renderer_set_config(const struct rearmed_cbs *cbs) |
181 | { | |
50f9355a | 182 | static int enhancement_was_on; |
183 | ||
c1817bd9 | 184 | disable_main_render = cbs->gpu_neon.enhancement_no_main; |
50f9355a | 185 | if (egpu.enhancement_buf_ptr != NULL && cbs->gpu_neon.enhancement_enable |
186 | && !enhancement_was_on) | |
187 | { | |
188 | sync_enhancement_buffers(0, 0, 1024, 512); | |
189 | } | |
190 | enhancement_was_on = cbs->gpu_neon.enhancement_enable; | |
9ee0fd5b | 191 | |
192 | if (!initialized) { | |
193 | initialize_psx_gpu(&egpu, gpu.vram); | |
194 | initialized = 1; | |
195 | } | |
196 | ||
a8be0deb | 197 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) |
9ee0fd5b | 198 | map_enhancement_buffer(); |
fa56d360 | 199 | if (cbs->pl_set_gpu_caps) |
200 | cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X); | |
5c1cbedc | 201 | |
202 | egpu.use_dithering = cbs->gpu_neon.allow_dithering; | |
203 | if(!egpu.use_dithering) { | |
204 | egpu.dither_table[0] = dither_table_row(0, 0, 0, 0); | |
205 | egpu.dither_table[1] = dither_table_row(0, 0, 0, 0); | |
206 | egpu.dither_table[2] = dither_table_row(0, 0, 0, 0); | |
207 | egpu.dither_table[3] = dither_table_row(0, 0, 0, 0); | |
208 | } else { | |
209 | egpu.dither_table[0] = dither_table_row(-4, 0, -3, 1); | |
210 | egpu.dither_table[1] = dither_table_row(2, -2, 3, -1); | |
211 | egpu.dither_table[2] = dither_table_row(-3, 1, -4, 0); | |
212 | egpu.dither_table[3] = dither_table_row(3, -1, 2, -2); | |
213 | } | |
214 | ||
90ca4913 | 215 | } |
c765eb86 JW |
216 | void renderer_sync(void) |
217 | { | |
218 | } | |
219 | void renderer_notify_update_lace(int updated) | |
220 | { | |
221 | } |