reduce differences from upstream
[pcsx_rearmed.git] / plugins / gpulib / vout_pl.c
CommitLineData
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
16static const struct rearmed_cbs *cbs;
56f08d83 17
18int vout_init(void)
19{
20 return 0;
21}
22
23int vout_finish(void)
24{
25 return 0;
26}
27
fa56d360 28static 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
61124a6d 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
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46 gpu.state.downscale_active =
47 gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable
48 && (w >= 512 || h >= 256);
49
50 if (gpu.state.downscale_active) {
51 w_out = w < 512 ? w : 320;
52 h_out = h < 256 ? h : h / 2;
53 }
54
7d993ee2 55 // width|rgb24 change?
61124a6d 56 if (force || (gpu.status ^ old_status) & ((7<<16)|(1<<21)) || h != old_h)
7d993ee2 57 {
61124a6d 58 old_status = gpu.status;
0b02eb77 59 old_h = h;
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 66void vout_update(void)
7d993ee2 67{
630b122b 68 int x = gpu.screen.x;
56f08d83 69 int y = gpu.screen.y;
70 int w = gpu.screen.w;
8dd855cd 71 int h = gpu.screen.h;
5f26e402 72 uint16_t *vram = gpu.vram;
fa56d360 73 int vram_h = 512;
74
75 if (w == 0 || h == 0)
aafcb4dd 76 return;
77
fa56d360 78 check_mode_change(0);
a8be0deb 79 if (gpu.state.enhancement_active)
fa56d360 80 vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h);
56f08d83 81
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JW
82 if (gpu.state.downscale_active)
83 vram = gpu.get_downscale_buffer(&x, &y, &w, &h, &vram_h);
84
fa56d360 85 if (y + h > vram_h) {
86 if (y + h - vram_h > h / 2) {
87 // wrap
fa56d360 88 h -= vram_h - y;
c65553d0 89 y = 0;
56f08d83 90 }
fa56d360 91 else
92 // clip
93 h = vram_h - y;
56f08d83 94 }
95
fa56d360 96 vram += y * 1024 + x;
56f08d83 97
5b568098 98 cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), w, h);
56f08d83 99}
100
aafcb4dd 101void vout_blank(void)
102{
fa56d360 103 int w = gpu.screen.hres;
104 int h = gpu.screen.h;
92a5fe88 105
106 check_mode_change(0);
fa56d360 107 if (gpu.state.enhancement_active) {
108 w *= 2;
109 h *= 2;
aafcb4dd 110 }
5b568098 111 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), w, h);
aafcb4dd 112}
113
096ec49b 114long GPUopen(void **unused)
56f08d83 115{
19e7cf87 116 gpu.frameskip.active = 0;
117 gpu.frameskip.frame_ready = 1;
fc84f618 118
9394ada5 119 cbs->pl_vout_open();
fa56d360 120 check_mode_change(1);
e3d0c514 121 vout_update();
56f08d83 122 return 0;
123}
124
125long GPUclose(void)
126{
9394ada5 127 cbs->pl_vout_close();
56f08d83 128 return 0;
129}
130
5440b88e 131void vout_set_config(const struct rearmed_cbs *cbs_)
56f08d83 132{
133 cbs = cbs_;
134}
135
136// vim:shiftwidth=2:expandtab