initial neGcon controller support
[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
46 // width|rgb24 change?
fa56d360 47 if (force || (gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h)
7d993ee2 48 {
49 old_status = gpu.status.reg;
0b02eb77 50 old_h = h;
51
468072a1 52 cbs->pl_vout_set_mode(w_out, h_out, w, h, gpu.status.rgb24 ? 24 : 16);
7d993ee2 53 }
54}
55
fa56d360 56void vout_update(void)
7d993ee2 57{
8dd855cd 58 int x = gpu.screen.x & ~1; // alignment needed by blitter
56f08d83 59 int y = gpu.screen.y;
60 int w = gpu.screen.w;
8dd855cd 61 int h = gpu.screen.h;
5f26e402 62 uint16_t *vram = gpu.vram;
fa56d360 63 int vram_h = 512;
64
65 if (w == 0 || h == 0)
aafcb4dd 66 return;
67
fa56d360 68 check_mode_change(0);
a8be0deb 69 if (gpu.state.enhancement_active)
fa56d360 70 vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h);
56f08d83 71
fa56d360 72 if (y + h > vram_h) {
73 if (y + h - vram_h > h / 2) {
74 // wrap
fa56d360 75 h -= vram_h - y;
c65553d0 76 y = 0;
56f08d83 77 }
fa56d360 78 else
79 // clip
80 h = vram_h - y;
56f08d83 81 }
82
fa56d360 83 vram += y * 1024 + x;
56f08d83 84
fa56d360 85 cbs->pl_vout_flip(vram, 1024, gpu.status.rgb24, w, h);
56f08d83 86}
87
aafcb4dd 88void vout_blank(void)
89{
fa56d360 90 int w = gpu.screen.hres;
91 int h = gpu.screen.h;
92a5fe88 92
93 check_mode_change(0);
fa56d360 94 if (gpu.state.enhancement_active) {
95 w *= 2;
96 h *= 2;
aafcb4dd 97 }
fa56d360 98 cbs->pl_vout_flip(NULL, 1024, gpu.status.rgb24, w, h);
aafcb4dd 99}
100
096ec49b 101long GPUopen(void **unused)
56f08d83 102{
19e7cf87 103 gpu.frameskip.active = 0;
104 gpu.frameskip.frame_ready = 1;
fc84f618 105
9394ada5 106 cbs->pl_vout_open();
fa56d360 107 check_mode_change(1);
e3d0c514 108 vout_update();
56f08d83 109 return 0;
110}
111
112long GPUclose(void)
113{
9394ada5 114 cbs->pl_vout_close();
56f08d83 115 return 0;
116}
117
5440b88e 118void vout_set_config(const struct rearmed_cbs *cbs_)
56f08d83 119{
120 cbs = cbs_;
121}
122
123// vim:shiftwidth=2:expandtab