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;
36 w = w_out = 1024, h = h_out = 512;
38 gpu.state.enhancement_active =
39 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
40 && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24);
42 if (gpu.state.enhancement_active) {
47 gpu.state.downscale_active =
48 gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable
49 && (w >= 512 || h >= 256);
51 if (gpu.state.downscale_active) {
52 w_out = w < 512 ? w : 320;
53 h_out = h < 256 ? h : h / 2;
56 // width|rgb24 change?
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)
60 gpu.state.status_vo_old = gpu.status;
61 gpu.state.w_out_old = w_out;
62 gpu.state.h_out_old = h_out;
64 cbs->pl_vout_set_mode(w_out, h_out, w, h,
65 (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16);
69 void vout_update(void)
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;
83 w = 1024, h = 512, x = src_x = y = src_y = 0;
85 if (x < 0) { w += x; src_x2 = -x; x = 0; }
86 if (y < 0) { h += y; src_y -= y; y = 0; }
92 if (gpu.state.enhancement_active) {
93 if (!gpu.state.enhancement_was_active)
94 return; // buffer not ready yet
95 vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
100 if (gpu.state.downscale_active)
101 vram = (void *)gpu.get_downscale_buffer(&src_x, &src_y, &w, &h, &vram_h);
103 if (src_y + h > vram_h) {
104 if (src_y + h - vram_h > h / 2) {
114 vram += (src_y * 1024 + src_x) * 2;
115 vram += src_x2 * bpp / 8;
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;
122 void vout_blank(void)
124 int w = gpu.screen.hres;
125 int h = gpu.screen.vres;
127 check_mode_change(0);
128 if (gpu.state.enhancement_active) {
132 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0);
135 long GPUopen(unsigned long *disp, char *cap, char *cfg)
137 gpu.frameskip.active = 0;
138 gpu.frameskip.frame_ready = 1;
141 check_mode_change(1);
148 cbs->pl_vout_close();
152 void vout_set_config(const struct rearmed_cbs *cbs_)
157 // vim:shiftwidth=2:expandtab