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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> |
50f9355a |
12 | #include <sys/mman.h> |
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13 | |
652c6b8b |
14 | extern const unsigned char cmd_lengths[256]; |
15 | #define command_lengths cmd_lengths |
16 | |
b243416b |
17 | static unsigned int *ex_regs; |
18 | |
19 | #define PCSX |
20 | #define SET_Ex(r, v) \ |
21 | ex_regs[r] = v |
22 | |
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23 | #include "psx_gpu/psx_gpu.c" |
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24 | #include "psx_gpu/psx_gpu_parse.c" |
62d7fa95 |
25 | #include "../gpulib/gpu.h" |
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26 | |
27 | static psx_gpu_struct egpu __attribute__((aligned(256))); |
28 | |
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29 | int do_cmd_list(uint32_t *list, int count, int *last_cmd) |
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30 | { |
c1817bd9 |
31 | int ret; |
32 | |
33 | if (gpu.state.enhancement_active) |
34 | ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd); |
35 | else |
36 | ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd); |
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37 | |
38 | ex_regs[1] &= ~0x1ff; |
39 | ex_regs[1] |= egpu.texture_settings & 0x1ff; |
40 | return ret; |
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41 | } |
42 | |
50f9355a |
43 | #define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096) |
44 | |
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45 | int renderer_init(void) |
46 | { |
47 | initialize_psx_gpu(&egpu, gpu.vram); |
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48 | ex_regs = gpu.ex_regs; |
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49 | |
50 | if (gpu.enhancement_bufer == NULL) { |
51 | // currently we use 4x 1024*1024 buffers instead of single 2048*1024 |
52 | // to be able to reuse 1024-width code better (triangle setup, |
53 | // dithering phase, lines). |
50f9355a |
54 | gpu.enhancement_bufer = mmap(NULL, ENHANCEMENT_BUF_SIZE, |
55 | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
56 | if (gpu.enhancement_bufer == MAP_FAILED) { |
e929dec5 |
57 | printf("OOM for enhancement buffer\n"); |
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58 | gpu.enhancement_bufer = NULL; |
59 | } |
e929dec5 |
60 | } |
61 | egpu.enhancement_buf_ptr = gpu.enhancement_bufer; |
62 | |
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63 | return 0; |
64 | } |
65 | |
e929dec5 |
66 | void renderer_finish(void) |
67 | { |
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68 | if (gpu.enhancement_bufer != NULL) |
69 | munmap(gpu.enhancement_bufer, ENHANCEMENT_BUF_SIZE); |
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70 | gpu.enhancement_bufer = NULL; |
71 | egpu.enhancement_buf_ptr = NULL; |
72 | } |
73 | |
50f9355a |
74 | static __attribute__((noinline)) void |
75 | sync_enhancement_buffers(int x, int y, int w, int h) |
76 | { |
77 | int xt = egpu.enhancement_x_threshold; |
78 | u16 *src, *dst; |
79 | int wb, i; |
80 | |
81 | w += x & 7; |
82 | x &= ~7; |
83 | w = (w + 7) & ~7; |
84 | if (y + h > 512) |
85 | h = 512 - y; |
86 | |
87 | for (i = 0; i < 4 && w > 0; i++) { |
88 | if (x < 512) { |
89 | wb = w; |
90 | if (x + w > 512) |
91 | wb = 512 - x; |
92 | src = gpu.vram + xt * i + y * 1024 + x; |
93 | dst = egpu.enhancement_buf_ptr + |
94 | (1024*1024 + xt * 2) * i + (y * 1024 + x) * 2; |
95 | scale2x_tiles8(dst, src, wb / 8, h); |
96 | } |
97 | |
98 | x -= xt; |
99 | if (x < 0) { |
100 | w += x; |
101 | x = 0; |
102 | } |
103 | } |
104 | } |
105 | |
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106 | void renderer_sync_ecmds(uint32_t *ecmds) |
107 | { |
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108 | gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL); |
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109 | } |
110 | |
05740673 |
111 | void renderer_update_caches(int x, int y, int w, int h) |
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112 | { |
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113 | update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1); |
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114 | if (gpu.state.enhancement_active && !gpu.status.rgb24) |
115 | sync_enhancement_buffers(x, y, w, h); |
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116 | } |
117 | |
118 | void renderer_flush_queues(void) |
119 | { |
120 | flush_render_block_buffer(&egpu); |
121 | } |
122 | |
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123 | void renderer_set_interlace(int enable, int is_odd) |
124 | { |
f1359c57 |
125 | egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD); |
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126 | if (enable) |
f1359c57 |
127 | egpu.render_mode |= RENDER_INTERLACE_ENABLED; |
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128 | if (is_odd) |
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129 | egpu.render_mode |= RENDER_INTERLACE_ODD; |
5440b88e |
130 | } |
131 | |
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132 | void renderer_notify_res_change(void) |
133 | { |
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134 | // note: must keep it multiple of 8 |
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135 | egpu.enhancement_x_threshold = gpu.screen.hres; |
136 | } |
137 | |
c1817bd9 |
138 | #include "../../frontend/plugin_lib.h" |
139 | |
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140 | void renderer_set_config(const struct rearmed_cbs *cbs) |
141 | { |
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142 | static int enhancement_was_on; |
143 | |
c1817bd9 |
144 | disable_main_render = cbs->gpu_neon.enhancement_no_main; |
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145 | if (egpu.enhancement_buf_ptr != NULL && cbs->gpu_neon.enhancement_enable |
146 | && !enhancement_was_on) |
147 | { |
148 | sync_enhancement_buffers(0, 0, 1024, 512); |
149 | } |
150 | enhancement_was_on = cbs->gpu_neon.enhancement_enable; |
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151 | } |