adjust irq10 and rcnt for pal
[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;
5bbe183f 31 int h = gpu.screen.vres;
e4c83ca6 32 int w_out = w;
33 int h_out = h;
0b02eb77 34
7a20a6d0 35#ifdef RAW_FB_DISPLAY
36 w = w_out = 1024, h = h_out = 512;
37#endif
0b02eb77 38 gpu.state.enhancement_active =
a8be0deb 39 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
61124a6d 40 && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24);
0b02eb77 41
42 if (gpu.state.enhancement_active) {
e4c83ca6 43 w_out *= 2;
44 h_out *= 2;
0b02eb77 45 }
7d993ee2 46
43047988
JW
47 gpu.state.downscale_active =
48 gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable
49 && (w >= 512 || h >= 256);
50
51 if (gpu.state.downscale_active) {
52 w_out = w < 512 ? w : 320;
53 h_out = h < 256 ? h : h / 2;
54 }
55
7d993ee2 56 // width|rgb24 change?
e9309bb7 57 if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21))
58 || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old)
7d993ee2 59 {
e9309bb7 60 gpu.state.status_vo_old = gpu.status;
61 gpu.state.w_out_old = w_out;
62 gpu.state.h_out_old = h_out;
0b02eb77 63
61124a6d
PC
64 cbs->pl_vout_set_mode(w_out, h_out, w, h,
65 (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16);
7d993ee2 66 }
67}
68
fa56d360 69void vout_update(void)
7d993ee2 70{
5bbe183f 71 int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16;
72 uint8_t *vram = (uint8_t *)gpu.vram;
73 int src_x = gpu.screen.src_x;
74 int src_y = gpu.screen.src_y;
630b122b 75 int x = gpu.screen.x;
56f08d83 76 int y = gpu.screen.y;
77 int w = gpu.screen.w;
8dd855cd 78 int h = gpu.screen.h;
fa56d360 79 int vram_h = 512;
5bbe183f 80 int src_x2 = 0;
81
7a20a6d0 82#ifdef RAW_FB_DISPLAY
83 w = 1024, h = 512, x = src_x = y = src_y = 0;
84#endif
5bbe183f 85 if (x < 0) { w += x; src_x2 = -x; x = 0; }
86 if (y < 0) { h += y; src_y -= y; y = 0; }
fa56d360 87
5bbe183f 88 if (w <= 0 || h <= 0)
aafcb4dd 89 return;
90
fa56d360 91 check_mode_change(0);
5bbe183f 92 if (gpu.state.enhancement_active) {
3b7b0065 93 if (!gpu.state.enhancement_was_active)
94 return; // buffer not ready yet
5bbe183f 95 vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
96 x *= 2; y *= 2;
3b7b0065 97 src_x2 *= 2;
5bbe183f 98 }
56f08d83 99
43047988 100 if (gpu.state.downscale_active)
5bbe183f 101 vram = (void *)gpu.get_downscale_buffer(&src_x, &src_y, &w, &h, &vram_h);
43047988 102
5bbe183f 103 if (src_y + h > vram_h) {
104 if (src_y + h - vram_h > h / 2) {
fa56d360 105 // wrap
5bbe183f 106 h -= vram_h - src_y;
107 src_y = 0;
56f08d83 108 }
fa56d360 109 else
110 // clip
5bbe183f 111 h = vram_h - src_y;
56f08d83 112 }
113
5bbe183f 114 vram += (src_y * 1024 + src_x) * 2;
115 vram += src_x2 * bpp / 8;
56f08d83 116
5bbe183f 117 cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24),
118 x, y, w, h, gpu.state.dims_changed);
119 gpu.state.dims_changed = 0;
56f08d83 120}
121
aafcb4dd 122void vout_blank(void)
123{
fa56d360 124 int w = gpu.screen.hres;
5bbe183f 125 int h = gpu.screen.vres;
92a5fe88 126
127 check_mode_change(0);
fa56d360 128 if (gpu.state.enhancement_active) {
129 w *= 2;
130 h *= 2;
aafcb4dd 131 }
5bbe183f 132 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0);
aafcb4dd 133}
134
93edff92 135long GPUopen(unsigned long *disp, char *cap, char *cfg)
56f08d83 136{
19e7cf87 137 gpu.frameskip.active = 0;
138 gpu.frameskip.frame_ready = 1;
fc84f618 139
9394ada5 140 cbs->pl_vout_open();
fa56d360 141 check_mode_change(1);
e3d0c514 142 vout_update();
56f08d83 143 return 0;
144}
145
146long GPUclose(void)
147{
9394ada5 148 cbs->pl_vout_close();
56f08d83 149 return 0;
150}
151
5440b88e 152void vout_set_config(const struct rearmed_cbs *cbs_)
56f08d83 153{
154 cbs = cbs_;
155}
156
157// vim:shiftwidth=2:expandtab