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" |
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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 | |
39 | if (gpu.state.enhancement_active) |
40 | ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd); |
41 | else |
42 | ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd); |
b243416b |
43 | |
44 | ex_regs[1] &= ~0x1ff; |
45 | ex_regs[1] |= egpu.texture_settings & 0x1ff; |
46 | return ret; |
90ca4913 |
47 | } |
48 | |
06bc35c8 |
49 | #define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2) |
50f9355a |
50 | |
a8be0deb |
51 | static uint16_t *get_enhancement_bufer(int *x, int *y, int *w, int *h, |
fa56d360 |
52 | int *vram_h) |
a8be0deb |
53 | { |
54 | uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x); |
55 | |
56 | *x *= 2; |
57 | *y *= 2; |
58 | *w = *w * 2; |
59 | *h = *h * 2; |
fa56d360 |
60 | *vram_h = 1024; |
a8be0deb |
61 | return ret; |
62 | } |
63 | |
9ee0fd5b |
64 | static void map_enhancement_buffer(void) |
90ca4913 |
65 | { |
9ee0fd5b |
66 | // currently we use 4x 1024*1024 buffers instead of single 2048*1024 |
67 | // to be able to reuse 1024-width code better (triangle setup, |
68 | // dithering phase, lines). |
a8be0deb |
69 | egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE); |
70 | if (egpu.enhancement_buf_ptr == NULL) { |
9ee0fd5b |
71 | fprintf(stderr, "failed to map enhancement buffer\n"); |
a8be0deb |
72 | gpu.get_enhancement_bufer = NULL; |
73 | } |
74 | else { |
75 | egpu.enhancement_buf_ptr += 4096 / 2; |
76 | gpu.get_enhancement_bufer = get_enhancement_bufer; |
77 | } |
9ee0fd5b |
78 | } |
e929dec5 |
79 | |
9ee0fd5b |
80 | int renderer_init(void) |
81 | { |
82 | if (gpu.vram != NULL) { |
83 | initialize_psx_gpu(&egpu, gpu.vram); |
84 | initialized = 1; |
e929dec5 |
85 | } |
e929dec5 |
86 | |
a8be0deb |
87 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) |
9ee0fd5b |
88 | map_enhancement_buffer(); |
89 | |
90 | ex_regs = gpu.ex_regs; |
90ca4913 |
91 | return 0; |
92 | } |
93 | |
e929dec5 |
94 | void renderer_finish(void) |
95 | { |
a8be0deb |
96 | if (egpu.enhancement_buf_ptr != NULL) { |
97 | egpu.enhancement_buf_ptr -= 4096 / 2; |
98 | gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE); |
06bc35c8 |
99 | } |
e929dec5 |
100 | egpu.enhancement_buf_ptr = NULL; |
06bc35c8 |
101 | egpu.enhancement_current_buf_ptr = NULL; |
9ee0fd5b |
102 | initialized = 0; |
e929dec5 |
103 | } |
104 | |
50f9355a |
105 | static __attribute__((noinline)) void |
106 | sync_enhancement_buffers(int x, int y, int w, int h) |
107 | { |
7956599f |
108 | const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16); |
50f9355a |
109 | u16 *src, *dst; |
7956599f |
110 | int w1, fb_index; |
50f9355a |
111 | |
7956599f |
112 | w += x & (step_x - 1); |
113 | x &= ~(step_x - 1); |
114 | w = (w + step_x - 1) & ~(step_x - 1); |
50f9355a |
115 | if (y + h > 512) |
116 | h = 512 - y; |
117 | |
7956599f |
118 | while (w > 0) { |
119 | fb_index = egpu.enhancement_buf_by_x16[x / step_x]; |
120 | for (w1 = 0; w > 0; w1++, w -= step_x) |
121 | if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1]) |
122 | break; |
123 | |
124 | src = gpu.vram + y * 1024 + x; |
125 | dst = select_enhancement_buf_ptr(&egpu, x); |
126 | dst += (y * 1024 + x) * 2; |
127 | scale2x_tiles8(dst, src, w1 * step_x / 8, h); |
128 | |
129 | x += w1 * step_x; |
50f9355a |
130 | } |
131 | } |
132 | |
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133 | void renderer_sync_ecmds(uint32_t *ecmds) |
134 | { |
b243416b |
135 | gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL); |
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136 | } |
137 | |
05740673 |
138 | void renderer_update_caches(int x, int y, int w, int h) |
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139 | { |
05740673 |
140 | update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1); |
50f9355a |
141 | if (gpu.state.enhancement_active && !gpu.status.rgb24) |
142 | sync_enhancement_buffers(x, y, w, h); |
90ca4913 |
143 | } |
144 | |
145 | void renderer_flush_queues(void) |
146 | { |
147 | flush_render_block_buffer(&egpu); |
148 | } |
149 | |
5440b88e |
150 | void renderer_set_interlace(int enable, int is_odd) |
151 | { |
f1359c57 |
152 | egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD); |
5440b88e |
153 | if (enable) |
f1359c57 |
154 | egpu.render_mode |= RENDER_INTERLACE_ENABLED; |
5440b88e |
155 | if (is_odd) |
f1359c57 |
156 | egpu.render_mode |= RENDER_INTERLACE_ODD; |
5440b88e |
157 | } |
158 | |
e929dec5 |
159 | void renderer_notify_res_change(void) |
160 | { |
50f9355a |
161 | // note: must keep it multiple of 8 |
7956599f |
162 | if (egpu.enhancement_x_threshold != gpu.screen.hres) |
163 | { |
164 | egpu.enhancement_x_threshold = gpu.screen.hres; |
77e34391 |
165 | update_enhancement_buf_table_from_hres(&egpu); |
7956599f |
166 | } |
e929dec5 |
167 | } |
168 | |
c1817bd9 |
169 | #include "../../frontend/plugin_lib.h" |
170 | |
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171 | void renderer_set_config(const struct rearmed_cbs *cbs) |
172 | { |
50f9355a |
173 | static int enhancement_was_on; |
174 | |
c1817bd9 |
175 | disable_main_render = cbs->gpu_neon.enhancement_no_main; |
50f9355a |
176 | if (egpu.enhancement_buf_ptr != NULL && cbs->gpu_neon.enhancement_enable |
177 | && !enhancement_was_on) |
178 | { |
179 | sync_enhancement_buffers(0, 0, 1024, 512); |
180 | } |
181 | enhancement_was_on = cbs->gpu_neon.enhancement_enable; |
9ee0fd5b |
182 | |
183 | if (!initialized) { |
184 | initialize_psx_gpu(&egpu, gpu.vram); |
185 | initialized = 1; |
186 | } |
187 | |
a8be0deb |
188 | if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL) |
9ee0fd5b |
189 | map_enhancement_buffer(); |
fa56d360 |
190 | if (cbs->pl_set_gpu_caps) |
191 | cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X); |
5c1cbedc |
192 | |
193 | egpu.use_dithering = cbs->gpu_neon.allow_dithering; |
194 | if(!egpu.use_dithering) { |
195 | egpu.dither_table[0] = dither_table_row(0, 0, 0, 0); |
196 | egpu.dither_table[1] = dither_table_row(0, 0, 0, 0); |
197 | egpu.dither_table[2] = dither_table_row(0, 0, 0, 0); |
198 | egpu.dither_table[3] = dither_table_row(0, 0, 0, 0); |
199 | } else { |
200 | egpu.dither_table[0] = dither_table_row(-4, 0, -3, 1); |
201 | egpu.dither_table[1] = dither_table_row(2, -2, 3, -1); |
202 | egpu.dither_table[2] = dither_table_row(-3, 1, -4, 0); |
203 | egpu.dither_table[3] = dither_table_row(3, -1, 2, -2); |
204 | } |
205 | |
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206 | } |