2 * video output handling using plugin_lib
3 * (C) GraÅžvydas "notaz" Ignotas, 2011
5 * This work is licensed under the terms of any of these licenses
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.
14 #include "../../frontend/plugin_lib.h"
16 static const struct rearmed_cbs *cbs;
28 static void check_mode_change(int force)
30 int w = gpu.screen.hres;
31 int h = gpu.screen.vres;
32 int w_out, h_out, bpp = 16;
34 if (gpu.state.screen_centering_type == C_BORDERLESS)
38 w = w_out = 1024, h = h_out = 512;
40 gpu.state.enhancement_active =
41 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
42 && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24);
44 if (gpu.state.enhancement_active) {
48 if (gpu.status & PSX_GPU_STATUS_RGB24) {
49 // some asm relies on this alignment
50 w_out = (w_out + 7) & ~7;
54 // width|rgb24 change?
55 if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21))
56 || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old)
58 gpu.state.status_vo_old = gpu.status;
59 gpu.state.w_out_old = w_out;
60 gpu.state.h_out_old = h_out;
62 if (w_out != 0 && h_out != 0)
63 cbs->pl_vout_set_mode(w_out, h_out, w, h, bpp);
67 void vout_update(void)
69 int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16;
70 uint8_t *vram = (uint8_t *)gpu.vram;
71 int src_x = gpu.screen.src_x;
72 int src_y = gpu.screen.src_y;
81 w = 1024, h = 512, x = src_x = y = src_y = 0;
83 if (x < 0) { w += x; src_x2 = -x; x = 0; }
84 if (y < 0) { h += y; src_y -= y; y = 0; }
90 if (gpu.state.enhancement_active) {
91 if (!gpu.state.enhancement_was_active)
92 return; // buffer not ready yet
93 vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
100 if (src_y + h > vram_h) {
101 if (src_y + h - vram_h > h / 2) {
111 vram += (src_y * 1024 + src_x) * 2;
112 vram += src_x2 * bpp / 8;
114 cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24),
115 x, y, w, h, gpu.state.dims_changed);
116 gpu.state.dims_changed = 0;
119 void vout_blank(void)
121 int w = gpu.screen.hres;
122 int h = gpu.screen.vres;
124 check_mode_change(0);
125 if (gpu.state.enhancement_active) {
129 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0);
132 long GPUopen(unsigned long *disp, char *cap, char *cfg)
134 gpu.frameskip.active = 0;
135 gpu.frameskip.frame_ready = 1;
138 check_mode_change(1);
145 cbs->pl_vout_close();
149 void vout_set_config(const struct rearmed_cbs *cbs_)
154 // vim:shiftwidth=2:expandtab