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 | { |
6f2ee2be | 30 | static uint32_t old_status; |
31 | static int old_h; | |
0b02eb77 | 32 | int w = gpu.screen.hres; |
33 | int h = gpu.screen.h; | |
e4c83ca6 | 34 | int w_out = w; |
35 | int h_out = h; | |
0b02eb77 | 36 | |
37 | gpu.state.enhancement_active = | |
a8be0deb | 38 | gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable |
f23b103c | 39 | && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24); |
0b02eb77 | 40 | |
41 | if (gpu.state.enhancement_active) { | |
e4c83ca6 | 42 | w_out *= 2; |
43 | h_out *= 2; | |
0b02eb77 | 44 | } |
7d993ee2 | 45 | |
46 | // width|rgb24 change? | |
f23b103c | 47 | if (force || (gpu.status ^ old_status) & ((7<<16)|(1<<21)) || h != old_h) |
7d993ee2 | 48 | { |
f23b103c | 49 | old_status = gpu.status; |
0b02eb77 | 50 | old_h = h; |
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 | { |
2391c1b4 | 59 | int x = gpu.screen.x; |
56f08d83 | 60 | int y = gpu.screen.y; |
61 | int w = gpu.screen.w; | |
8dd855cd | 62 | int h = gpu.screen.h; |
5f26e402 | 63 | uint16_t *vram = gpu.vram; |
fa56d360 | 64 | int vram_h = 512; |
65 | ||
66 | if (w == 0 || h == 0) | |
aafcb4dd | 67 | return; |
68 | ||
fa56d360 | 69 | check_mode_change(0); |
a8be0deb | 70 | if (gpu.state.enhancement_active) |
fa56d360 | 71 | vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h); |
56f08d83 | 72 | |
fa56d360 | 73 | if (y + h > vram_h) { |
74 | if (y + h - vram_h > h / 2) { | |
75 | // wrap | |
fa56d360 | 76 | h -= vram_h - y; |
c65553d0 | 77 | y = 0; |
56f08d83 | 78 | } |
fa56d360 | 79 | else |
80 | // clip | |
81 | h = vram_h - y; | |
56f08d83 | 82 | } |
83 | ||
fa56d360 | 84 | vram += y * 1024 + x; |
56f08d83 | 85 | |
f23b103c | 86 | cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), w, h); |
56f08d83 | 87 | } |
88 | ||
aafcb4dd | 89 | void vout_blank(void) |
90 | { | |
fa56d360 | 91 | int w = gpu.screen.hres; |
92 | int h = gpu.screen.h; | |
92a5fe88 | 93 | |
94 | check_mode_change(0); | |
fa56d360 | 95 | if (gpu.state.enhancement_active) { |
96 | w *= 2; | |
97 | h *= 2; | |
aafcb4dd | 98 | } |
f23b103c | 99 | cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), w, h); |
aafcb4dd | 100 | } |
101 | ||
096ec49b | 102 | long GPUopen(void **unused) |
56f08d83 | 103 | { |
19e7cf87 | 104 | gpu.frameskip.active = 0; |
105 | gpu.frameskip.frame_ready = 1; | |
fc84f618 | 106 | |
9394ada5 | 107 | cbs->pl_vout_open(); |
fa56d360 | 108 | check_mode_change(1); |
e3d0c514 | 109 | vout_update(); |
56f08d83 | 110 | return 0; |
111 | } | |
112 | ||
113 | long GPUclose(void) | |
114 | { | |
9394ada5 | 115 | cbs->pl_vout_close(); |
56f08d83 | 116 | return 0; |
117 | } | |
118 | ||
5440b88e | 119 | void vout_set_config(const struct rearmed_cbs *cbs_) |
56f08d83 | 120 | { |
121 | cbs = cbs_; | |
122 | } | |
123 | ||
124 | // vim:shiftwidth=2:expandtab |