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 static uint32_t old_status;
32 int w = gpu.screen.hres;
37 gpu.state.enhancement_active =
38 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
39 && w <= 512 && h <= 256 && !gpu.status.rgb24;
41 if (gpu.state.enhancement_active) {
46 gpu.state.downscale_active =
47 gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable
48 && (w >= 512 || h >= 256);
50 if (gpu.state.downscale_active) {
51 w_out = w < 512 ? w : 320;
52 h_out = h < 256 ? h : h / 2;
55 // width|rgb24 change?
56 if (force || (gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h)
58 old_status = gpu.status.reg;
61 cbs->pl_vout_set_mode(w_out, h_out, w, h, gpu.status.rgb24 ? 24 : 16);
65 void vout_update(void)
71 uint16_t *vram = gpu.vram;
78 if (gpu.state.enhancement_active)
79 vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h);
81 if (gpu.state.downscale_active)
82 vram = gpu.get_downscale_buffer(&x, &y, &w, &h, &vram_h);
85 if (y + h - vram_h > h / 2) {
97 cbs->pl_vout_flip(vram, 1024, gpu.status.rgb24, w, h);
100 void vout_blank(void)
102 int w = gpu.screen.hres;
103 int h = gpu.screen.h;
105 check_mode_change(0);
106 if (gpu.state.enhancement_active) {
110 cbs->pl_vout_flip(NULL, 1024, gpu.status.rgb24, w, h);
113 long GPUopen(void **unused)
115 gpu.frameskip.active = 0;
116 gpu.frameskip.frame_ready = 1;
119 check_mode_change(1);
126 cbs->pl_vout_close();
130 void vout_set_config(const struct rearmed_cbs *cbs_)
135 // vim:shiftwidth=2:expandtab