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;
35 gpu.state.enhancement_active =
36 gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
37 && w <= 512 && h <= 256 && !(gpu.status & PSX_GPU_STATUS_RGB24);
39 if (gpu.state.enhancement_active) {
44 gpu.state.downscale_active =
45 gpu.get_downscale_buffer != NULL && gpu.state.downscale_enable
46 && (w >= 512 || h >= 256);
48 if (gpu.state.downscale_active) {
49 w_out = w < 512 ? w : 320;
50 h_out = h < 256 ? h : h / 2;
53 // width|rgb24 change?
54 if (force || (gpu.status ^ gpu.state.status_vo_old) & ((7<<16)|(1<<21))
55 || w_out != gpu.state.w_out_old || h_out != gpu.state.h_out_old)
57 gpu.state.status_vo_old = gpu.status;
58 gpu.state.w_out_old = w_out;
59 gpu.state.h_out_old = h_out;
61 cbs->pl_vout_set_mode(w_out, h_out, w, h,
62 (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16);
66 void vout_update(void)
68 int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16;
69 uint8_t *vram = (uint8_t *)gpu.vram;
70 int src_x = gpu.screen.src_x;
71 int src_y = gpu.screen.src_y;
79 if (x < 0) { w += x; src_x2 = -x; x = 0; }
80 if (y < 0) { h += y; src_y -= y; y = 0; }
86 if (gpu.state.enhancement_active) {
87 if (!gpu.state.enhancement_was_active)
88 return; // buffer not ready yet
89 vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
94 if (gpu.state.downscale_active)
95 vram = (void *)gpu.get_downscale_buffer(&src_x, &src_y, &w, &h, &vram_h);
97 if (src_y + h > vram_h) {
98 if (src_y + h - vram_h > h / 2) {
108 vram += (src_y * 1024 + src_x) * 2;
109 vram += src_x2 * bpp / 8;
111 cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24),
112 x, y, w, h, gpu.state.dims_changed);
113 gpu.state.dims_changed = 0;
116 void vout_blank(void)
118 int w = gpu.screen.hres;
119 int h = gpu.screen.vres;
121 check_mode_change(0);
122 if (gpu.state.enhancement_active) {
126 cbs->pl_vout_flip(NULL, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24), 0, 0, w, h, 0);
129 long GPUopen(void **unused)
131 gpu.frameskip.active = 0;
132 gpu.frameskip.frame_ready = 1;
135 check_mode_change(1);
142 cbs->pl_vout_close();
146 void vout_set_config(const struct rearmed_cbs *cbs_)
151 // vim:shiftwidth=2:expandtab