Merge pull request #629 from jSTE0/miyoo-platform
[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
0b02eb77 39 && w <= 512 && h <= 256 && !gpu.status.rgb24;
40
41 if (gpu.state.enhancement_active) {
e4c83ca6 42 w_out *= 2;
43 h_out *= 2;
0b02eb77 44 }
7d993ee2 45
43047988
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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?
fa56d360 56 if (force || (gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h)
7d993ee2 57 {
58 old_status = gpu.status.reg;
0b02eb77 59 old_h = h;
60
468072a1 61 cbs->pl_vout_set_mode(w_out, h_out, w, h, gpu.status.rgb24 ? 24 : 16);
7d993ee2 62 }
63}
64
fa56d360 65void vout_update(void)
7d993ee2 66{
630b122b 67 int x = gpu.screen.x;
56f08d83 68 int y = gpu.screen.y;
69 int w = gpu.screen.w;
8dd855cd 70 int h = gpu.screen.h;
5f26e402 71 uint16_t *vram = gpu.vram;
fa56d360 72 int vram_h = 512;
73
74 if (w == 0 || h == 0)
aafcb4dd 75 return;
76
fa56d360 77 check_mode_change(0);
a8be0deb 78 if (gpu.state.enhancement_active)
fa56d360 79 vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h);
56f08d83 80
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81 if (gpu.state.downscale_active)
82 vram = gpu.get_downscale_buffer(&x, &y, &w, &h, &vram_h);
83
fa56d360 84 if (y + h > vram_h) {
85 if (y + h - vram_h > h / 2) {
86 // wrap
fa56d360 87 h -= vram_h - y;
c65553d0 88 y = 0;
56f08d83 89 }
fa56d360 90 else
91 // clip
92 h = vram_h - y;
56f08d83 93 }
94
fa56d360 95 vram += y * 1024 + x;
56f08d83 96
fa56d360 97 cbs->pl_vout_flip(vram, 1024, gpu.status.rgb24, w, h);
56f08d83 98}
99
aafcb4dd 100void vout_blank(void)
101{
fa56d360 102 int w = gpu.screen.hres;
103 int h = gpu.screen.h;
92a5fe88 104
105 check_mode_change(0);
fa56d360 106 if (gpu.state.enhancement_active) {
107 w *= 2;
108 h *= 2;
aafcb4dd 109 }
fa56d360 110 cbs->pl_vout_flip(NULL, 1024, gpu.status.rgb24, w, h);
aafcb4dd 111}
112
096ec49b 113long GPUopen(void **unused)
56f08d83 114{
19e7cf87 115 gpu.frameskip.active = 0;
116 gpu.frameskip.frame_ready = 1;
fc84f618 117
9394ada5 118 cbs->pl_vout_open();
fa56d360 119 check_mode_change(1);
e3d0c514 120 vout_update();
56f08d83 121 return 0;
122}
123
124long GPUclose(void)
125{
9394ada5 126 cbs->pl_vout_close();
56f08d83 127 return 0;
128}
129
5440b88e 130void vout_set_config(const struct rearmed_cbs *cbs_)
56f08d83 131{
132 cbs = cbs_;
133}
134
135// vim:shiftwidth=2:expandtab