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; |
308c6e67 | 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 |
f23b103c | 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 | |
44 | // width|rgb24 change? | |
81277586 | 45 | if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21)) |
46 | || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old) | |
7d993ee2 | 47 | { |
81277586 | 48 | gpu.state.status_vo_old = gpu.status; |
49 | gpu.state.w_out_old = w_out; | |
50 | gpu.state.h_out_old = h_out; | |
0b02eb77 | 51 | |
f23b103c PC |
52 | cbs->pl_vout_set_mode(w_out, h_out, w, h, |
53 | (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16); | |
7d993ee2 | 54 | } |
55 | } | |
56 | ||
fa56d360 | 57 | void vout_update(void) |
7d993ee2 | 58 | { |
308c6e67 | 59 | int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16; |
60 | uint8_t *vram = (uint8_t *)gpu.vram; | |
61 | int src_x = gpu.screen.src_x; | |
62 | int src_y = gpu.screen.src_y; | |
2391c1b4 | 63 | int x = gpu.screen.x; |
56f08d83 | 64 | int y = gpu.screen.y; |
65 | int w = gpu.screen.w; | |
8dd855cd | 66 | int h = gpu.screen.h; |
fa56d360 | 67 | int vram_h = 512; |
308c6e67 | 68 | int src_x2 = 0; |
69 | ||
70 | if (x < 0) { w += x; src_x2 = -x; x = 0; } | |
71 | if (y < 0) { h += y; src_y -= y; y = 0; } | |
fa56d360 | 72 | |
308c6e67 | 73 | if (w <= 0 || h <= 0) |
aafcb4dd | 74 | return; |
75 | ||
fa56d360 | 76 | check_mode_change(0); |
308c6e67 | 77 | if (gpu.state.enhancement_active) { |
0b4038f8 | 78 | if (!gpu.state.enhancement_was_active) |
79 | return; // buffer not ready yet | |
308c6e67 | 80 | vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h); |
81 | x *= 2; y *= 2; | |
0b4038f8 | 82 | src_x2 *= 2; |
308c6e67 | 83 | } |
56f08d83 | 84 | |
308c6e67 | 85 | if (src_y + h > vram_h) { |
86 | if (src_y + h - vram_h > h / 2) { | |
fa56d360 | 87 | // wrap |
308c6e67 | 88 | h -= vram_h - src_y; |
89 | src_y = 0; | |
56f08d83 | 90 | } |
fa56d360 | 91 | else |
92 | // clip | |
308c6e67 | 93 | h = vram_h - src_y; |
56f08d83 | 94 | } |
95 | ||
308c6e67 | 96 | vram += (src_y * 1024 + src_x) * 2; |
97 | vram += src_x2 * bpp / 8; | |
56f08d83 | 98 | |
308c6e67 | 99 | cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), |
100 | x, y, w, h, gpu.state.dims_changed); | |
101 | gpu.state.dims_changed = 0; | |
56f08d83 | 102 | } |
103 | ||
aafcb4dd | 104 | void vout_blank(void) |
105 | { | |
fa56d360 | 106 | int w = gpu.screen.hres; |
308c6e67 | 107 | int h = gpu.screen.vres; |
92a5fe88 | 108 | |
109 | check_mode_change(0); | |
fa56d360 | 110 | if (gpu.state.enhancement_active) { |
111 | w *= 2; | |
112 | h *= 2; | |
aafcb4dd | 113 | } |
308c6e67 | 114 | cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0); |
aafcb4dd | 115 | } |
116 | ||
71e413be | 117 | long GPUopen(unsigned long *disp, char *cap, char *cfg) |
56f08d83 | 118 | { |
19e7cf87 | 119 | gpu.frameskip.active = 0; |
120 | gpu.frameskip.frame_ready = 1; | |
fc84f618 | 121 | |
9394ada5 | 122 | cbs->pl_vout_open(); |
fa56d360 | 123 | check_mode_change(1); |
e3d0c514 | 124 | vout_update(); |
56f08d83 | 125 | return 0; |
126 | } | |
127 | ||
128 | long GPUclose(void) | |
129 | { | |
9394ada5 | 130 | cbs->pl_vout_close(); |
56f08d83 | 131 | return 0; |
132 | } | |
133 | ||
5440b88e | 134 | void vout_set_config(const struct rearmed_cbs *cbs_) |
56f08d83 | 135 | { |
136 | cbs = cbs_; | |
137 | } | |
138 | ||
139 | // vim:shiftwidth=2:expandtab |