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.
15 #include "../../frontend/plugin_lib.h"
17 static const struct rearmed_cbs *cbs;
29 static void check_mode_change(int force)
31 static uint32_t old_status;
33 int w = gpu.screen.hres;
36 gpu.state.enhancement_active =
37 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
38 && w <= 512 && h <= 256 && !gpu.status.rgb24;
40 if (gpu.state.enhancement_active) {
45 // width|rgb24 change?
46 if (force || (gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h)
48 old_status = gpu.status.reg;
51 cbs->pl_vout_set_mode(w, h,
52 (gpu.status.rgb24 && !cbs->only_16bpp) ? 24 : 16);
56 void vout_update(void)
58 int x = gpu.screen.x & ~1; // alignment needed by blitter
62 uint16_t *vram = gpu.vram;
69 if (gpu.state.enhancement_active)
70 vram = gpu.get_enhancement_bufer(&x, &y, &w, &h, &vram_h);
73 if (y + h - vram_h > h / 2) {
85 cbs->pl_vout_flip(vram, 1024, gpu.status.rgb24, w, h);
90 int w = gpu.screen.hres;
92 if (gpu.state.enhancement_active) {
96 cbs->pl_vout_flip(NULL, 1024, gpu.status.rgb24, w, h);
99 long GPUopen(void **unused)
101 gpu.frameskip.active = 0;
102 gpu.frameskip.frame_ready = 1;
105 check_mode_change(1);
111 cbs->pl_vout_close();
115 void vout_set_config(const struct rearmed_cbs *cbs_)
120 // vim:shiftwidth=2:expandtab