libretro: drop the Frame Duping option
[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{
0b02eb77 30 int w = gpu.screen.hres;
308c6e67 31 int h = gpu.screen.vres;
44e76f8a 32 int w_out, h_out;
0b02eb77 33
44e76f8a 34 if (gpu.state.screen_centering_type == C_BORDERLESS)
35 h = gpu.screen.h;
36 w_out = w, h_out = h;
cb245e56 37#ifdef RAW_FB_DISPLAY
38 w = w_out = 1024, h = h_out = 512;
39#endif
0b02eb77 40 gpu.state.enhancement_active =
a8be0deb 41 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
f23b103c 42 && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24);
0b02eb77 43
44 if (gpu.state.enhancement_active) {
e4c83ca6 45 w_out *= 2;
46 h_out *= 2;
0b02eb77 47 }
7d993ee2 48
49 // width|rgb24 change?
81277586 50 if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21))
51 || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old)
7d993ee2 52 {
81277586 53 gpu.state.status_vo_old = gpu.status;
54 gpu.state.w_out_old = w_out;
55 gpu.state.h_out_old = h_out;
0b02eb77 56
eaa38b6d 57 if (w_out != 0 && h_out != 0)
58 cbs->pl_vout_set_mode(w_out, h_out, w, h,
f23b103c 59 (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16);
7d993ee2 60 }
61}
62
fa56d360 63void vout_update(void)
7d993ee2 64{
308c6e67 65 int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16;
66 uint8_t *vram = (uint8_t *)gpu.vram;
67 int src_x = gpu.screen.src_x;
68 int src_y = gpu.screen.src_y;
2391c1b4 69 int x = gpu.screen.x;
56f08d83 70 int y = gpu.screen.y;
71 int w = gpu.screen.w;
8dd855cd 72 int h = gpu.screen.h;
fa56d360 73 int vram_h = 512;
308c6e67 74 int src_x2 = 0;
75
cb245e56 76#ifdef RAW_FB_DISPLAY
77 w = 1024, h = 512, x = src_x = y = src_y = 0;
78#endif
308c6e67 79 if (x < 0) { w += x; src_x2 = -x; x = 0; }
80 if (y < 0) { h += y; src_y -= y; y = 0; }
fa56d360 81
308c6e67 82 if (w <= 0 || h <= 0)
aafcb4dd 83 return;
84
fa56d360 85 check_mode_change(0);
308c6e67 86 if (gpu.state.enhancement_active) {
0b4038f8 87 if (!gpu.state.enhancement_was_active)
88 return; // buffer not ready yet
308c6e67 89 vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
2da2fc76 90 if (vram == NULL)
91 return;
308c6e67 92 x *= 2; y *= 2;
0b4038f8 93 src_x2 *= 2;
308c6e67 94 }
56f08d83 95
308c6e67 96 if (src_y + h > vram_h) {
97 if (src_y + h - vram_h > h / 2) {
fa56d360 98 // wrap
308c6e67 99 h -= vram_h - src_y;
100 src_y = 0;
56f08d83 101 }
fa56d360 102 else
103 // clip
308c6e67 104 h = vram_h - src_y;
56f08d83 105 }
106
308c6e67 107 vram += (src_y * 1024 + src_x) * 2;
108 vram += src_x2 * bpp / 8;
56f08d83 109
308c6e67 110 cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24),
111 x, y, w, h, gpu.state.dims_changed);
112 gpu.state.dims_changed = 0;
56f08d83 113}
114
aafcb4dd 115void vout_blank(void)
116{
fa56d360 117 int w = gpu.screen.hres;
308c6e67 118 int h = gpu.screen.vres;
92a5fe88 119
120 check_mode_change(0);
fa56d360 121 if (gpu.state.enhancement_active) {
122 w *= 2;
123 h *= 2;
aafcb4dd 124 }
308c6e67 125 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0);
aafcb4dd 126}
127
71e413be 128long GPUopen(unsigned long *disp, char *cap, char *cfg)
56f08d83 129{
19e7cf87 130 gpu.frameskip.active = 0;
131 gpu.frameskip.frame_ready = 1;
fc84f618 132
9394ada5 133 cbs->pl_vout_open();
fa56d360 134 check_mode_change(1);
e3d0c514 135 vout_update();
56f08d83 136 return 0;
137}
138
139long GPUclose(void)
140{
9394ada5 141 cbs->pl_vout_close();
56f08d83 142 return 0;
143}
144
5440b88e 145void vout_set_config(const struct rearmed_cbs *cbs_)
56f08d83 146{
147 cbs = cbs_;
148}
149
150// vim:shiftwidth=2:expandtab