Commit | Line | Data |
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56f08d83 | 1 | /* |
1f219c7b | 2 | * video output handling using plugin_lib |
56f08d83 | 3 | * (C) GraÅžvydas "notaz" Ignotas, 2011 |
4 | * | |
5 | * This work is licensed under the terms of any of these licenses | |
6 | * (at your option): | |
7 | * - GNU GPL, version 2 or later. | |
8 | * - GNU LGPL, version 2.1 or later. | |
9 | * See the COPYING file in the top-level directory. | |
10 | */ | |
11 | ||
aafcb4dd | 12 | #include <string.h> |
56f08d83 | 13 | #include "gpu.h" |
14 | #include "../../frontend/plugin_lib.h" | |
56f08d83 | 15 | |
16 | static const struct rearmed_cbs *cbs; | |
56f08d83 | 17 | |
18 | int vout_init(void) | |
19 | { | |
20 | return 0; | |
21 | } | |
22 | ||
23 | int vout_finish(void) | |
24 | { | |
25 | return 0; | |
26 | } | |
27 | ||
fa56d360 | 28 | static void check_mode_change(int force) |
56f08d83 | 29 | { |
0b02eb77 | 30 | int w = gpu.screen.hres; |
5bbe183f | 31 | int h = gpu.screen.vres; |
e4c83ca6 | 32 | int w_out = w; |
33 | int h_out = h; | |
0b02eb77 | 34 | |
35 | gpu.state.enhancement_active = | |
a8be0deb | 36 | gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable |
61124a6d | 37 | && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24); |
0b02eb77 | 38 | |
39 | if (gpu.state.enhancement_active) { | |
e4c83ca6 | 40 | w_out *= 2; |
41 | h_out *= 2; | |
0b02eb77 | 42 | } |
7d993ee2 | 43 | |
43047988 JW |
44 | gpu.state.downscale_active = |
45 | gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable | |
46 | && (w >= 512 || h >= 256); | |
47 | ||
48 | if (gpu.state.downscale_active) { | |
49 | w_out = w < 512 ? w : 320; | |
50 | h_out = h < 256 ? h : h / 2; | |
51 | } | |
52 | ||
7d993ee2 | 53 | // width|rgb24 change? |
e9309bb7 | 54 | if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21)) |
55 | || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old) | |
7d993ee2 | 56 | { |
e9309bb7 | 57 | gpu.state.status_vo_old = gpu.status; |
58 | gpu.state.w_out_old = w_out; | |
59 | gpu.state.h_out_old = h_out; | |
0b02eb77 | 60 | |
61124a6d PC |
61 | cbs->pl_vout_set_mode(w_out, h_out, w, h, |
62 | (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16); | |
7d993ee2 | 63 | } |
64 | } | |
65 | ||
fa56d360 | 66 | void vout_update(void) |
7d993ee2 | 67 | { |
5bbe183f | 68 | int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16; |
69 | uint8_t *vram = (uint8_t *)gpu.vram; | |
70 | int src_x = gpu.screen.src_x; | |
71 | int src_y = gpu.screen.src_y; | |
630b122b | 72 | int x = gpu.screen.x; |
56f08d83 | 73 | int y = gpu.screen.y; |
74 | int w = gpu.screen.w; | |
8dd855cd | 75 | int h = gpu.screen.h; |
fa56d360 | 76 | int vram_h = 512; |
5bbe183f | 77 | int src_x2 = 0; |
78 | ||
79 | if (x < 0) { w += x; src_x2 = -x; x = 0; } | |
80 | if (y < 0) { h += y; src_y -= y; y = 0; } | |
fa56d360 | 81 | |
5bbe183f | 82 | if (w <= 0 || h <= 0) |
aafcb4dd | 83 | return; |
84 | ||
fa56d360 | 85 | check_mode_change(0); |
5bbe183f | 86 | if (gpu.state.enhancement_active) { |
3b7b0065 | 87 | if (!gpu.state.enhancement_was_active) |
88 | return; // buffer not ready yet | |
5bbe183f | 89 | vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h); |
90 | x *= 2; y *= 2; | |
3b7b0065 | 91 | src_x2 *= 2; |
5bbe183f | 92 | } |
56f08d83 | 93 | |
43047988 | 94 | if (gpu.state.downscale_active) |
5bbe183f | 95 | vram = (void *)gpu.get_downscale_buffer(&src_x, &src_y, &w, &h, &vram_h); |
43047988 | 96 | |
5bbe183f | 97 | if (src_y + h > vram_h) { |
98 | if (src_y + h - vram_h > h / 2) { | |
fa56d360 | 99 | // wrap |
5bbe183f | 100 | h -= vram_h - src_y; |
101 | src_y = 0; | |
56f08d83 | 102 | } |
fa56d360 | 103 | else |
104 | // clip | |
5bbe183f | 105 | h = vram_h - src_y; |
56f08d83 | 106 | } |
107 | ||
5bbe183f | 108 | vram += (src_y * 1024 + src_x) * 2; |
109 | vram += src_x2 * bpp / 8; | |
56f08d83 | 110 | |
5bbe183f | 111 | cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), |
112 | x, y, w, h, gpu.state.dims_changed); | |
113 | gpu.state.dims_changed = 0; | |
56f08d83 | 114 | } |
115 | ||
aafcb4dd | 116 | void vout_blank(void) |
117 | { | |
fa56d360 | 118 | int w = gpu.screen.hres; |
5bbe183f | 119 | int h = gpu.screen.vres; |
92a5fe88 | 120 | |
121 | check_mode_change(0); | |
fa56d360 | 122 | if (gpu.state.enhancement_active) { |
123 | w *= 2; | |
124 | h *= 2; | |
aafcb4dd | 125 | } |
5bbe183f | 126 | cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0); |
aafcb4dd | 127 | } |
128 | ||
096ec49b | 129 | long GPUopen(void **unused) |
56f08d83 | 130 | { |
19e7cf87 | 131 | gpu.frameskip.active = 0; |
132 | gpu.frameskip.frame_ready = 1; | |
fc84f618 | 133 | |
9394ada5 | 134 | cbs->pl_vout_open(); |
fa56d360 | 135 | check_mode_change(1); |
e3d0c514 | 136 | vout_update(); |
56f08d83 | 137 | return 0; |
138 | } | |
139 | ||
140 | long GPUclose(void) | |
141 | { | |
9394ada5 | 142 | cbs->pl_vout_close(); |
56f08d83 | 143 | return 0; |
144 | } | |
145 | ||
5440b88e | 146 | void vout_set_config(const struct rearmed_cbs *cbs_) |
56f08d83 | 147 | { |
148 | cbs = cbs_; | |
149 | } | |
150 | ||
151 | // vim:shiftwidth=2:expandtab |