mirror of
https://github.com/libretro/pcsx_rearmed.git
synced 2024-10-06 22:03:20 +00:00
275 lines
5.7 KiB
C
275 lines
5.7 KiB
C
/*
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* (C) Gražvydas "notaz" Ignotas, 2010-2012
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*
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* This work is licensed under the terms of the GNU GPLv2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <linux/omapfb.h>
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#include "libpicofe/menu.h"
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#include "libpicofe/input.h"
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#include "libpicofe/linux/fbdev.h"
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#include "libpicofe/linux/xenv.h"
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#include "plugin_lib.h"
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#include "pl_gun_ts.h"
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#include "plat.h"
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#include "plat_omap.h"
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#include "menu.h"
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static struct vout_fbdev *main_fb, *layer_fb;
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static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h)
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{
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struct omapfb_plane_info pi = { 0, };
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struct omapfb_mem_info mi = { 0, };
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int ret;
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ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
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if (ret != 0) {
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perror("QUERY_PLANE");
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return -1;
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}
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ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
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if (ret != 0) {
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perror("QUERY_MEM");
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return -1;
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}
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/* must disable when changing stuff */
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if (pi.enabled) {
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pi.enabled = 0;
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ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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if (ret != 0)
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perror("SETUP_PLANE");
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}
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// upto 1024x512 (2x resolution enhancement)
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if (mi.size < 1024*512*2 * 3) {
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mi.size = 1024*512*2 * 3;
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ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
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if (ret != 0) {
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perror("SETUP_MEM");
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return -1;
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}
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}
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pi.pos_x = x;
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pi.pos_y = y;
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pi.out_width = w;
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pi.out_height = h;
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pi.enabled = enabled;
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ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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if (ret != 0) {
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perror("SETUP_PLANE");
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return -1;
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}
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return 0;
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}
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static int omap_enable_layer(int enabled)
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{
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int x = g_layer_x, y = g_layer_y;
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int w = g_layer_w, h = g_layer_h;
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// it's not allowed for the layer to be partially offscreen,
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// instead it is faked by plat_gvideo_set_mode()
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if (x < 0) { w += x; x = 0; }
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if (y < 0) { h += y; y = 0; }
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if (x + w > 800) w = 800 - x;
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if (y + h > 480) h = 480 - y;
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if (enabled)
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pl_set_gun_rect(x, y, w, h);
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return omap_setup_layer_(vout_fbdev_get_fd(layer_fb),
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enabled, x, y, w, h);
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}
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void plat_omap_gvideo_open(void)
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{
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omap_enable_layer(1);
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// try to align redraws to vsync
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vout_fbdev_wait_vsync(layer_fb);
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}
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void *plat_gvideo_set_mode(int *w_in, int *h_in, int *bpp)
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{
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int l = 0, r = 0, t = 0, b = 0;
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int w = *w_in, h = *h_in;
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void *buf;
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if (g_scaler == SCALE_1_1 || g_scaler == SCALE_2_2) {
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if (w > g_menuscreen_w)
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l = r = (w - g_menuscreen_w) / 2;
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if (h > g_menuscreen_h)
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t = b = (h - g_menuscreen_h) / 2;
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}
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else if (g_scaler == SCALE_CUSTOM) {
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int right = g_layer_x + g_layer_w;
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int bottom = g_layer_y + g_layer_h;
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if (g_layer_x < 0)
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l = -g_layer_x * w / g_menuscreen_w;
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if (g_layer_y < 0)
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t = -g_layer_y * h / g_menuscreen_h;
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if (right > g_menuscreen_w)
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r = (right - g_menuscreen_w) * w / g_menuscreen_w;
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if (bottom > g_menuscreen_h)
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b = (bottom - g_menuscreen_h) * h / g_menuscreen_h;
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}
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w -= l + r;
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h -= t + b;
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buf = vout_fbdev_resize(layer_fb, w, h, *bpp,
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l, r, t, b, 3);
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vout_fbdev_clear(layer_fb);
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omap_enable_layer(1);
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return buf;
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}
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void *plat_gvideo_flip(void)
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{
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return vout_fbdev_flip(layer_fb);
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}
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void plat_gvideo_close(void)
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{
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omap_enable_layer(0);
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}
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void plat_video_menu_enter(int is_rom_loaded)
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{
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g_menuscreen_ptr = vout_fbdev_resize(main_fb,
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g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3);
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if (g_menuscreen_ptr == NULL)
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fprintf(stderr, "warning: vout_fbdev_resize failed\n");
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xenv_update(NULL, NULL, NULL, NULL);
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}
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void plat_video_menu_begin(void)
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{
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}
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void plat_video_menu_end(void)
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{
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g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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}
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void plat_video_menu_leave(void)
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{
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/* have to get rid of panning so that plugins that
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* use fb0 and don't ever pan can work. */
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vout_fbdev_clear(main_fb);
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g_menuscreen_ptr = vout_fbdev_resize(main_fb,
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g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1);
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if (g_menuscreen_ptr == NULL)
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fprintf(stderr, "warning: vout_fbdev_resize failed\n");
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}
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void plat_minimize(void)
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{
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int ret;
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ret = vout_fbdev_save(layer_fb);
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if (ret != 0) {
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printf("minimize: layer/fb handling failed\n");
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return;
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}
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xenv_minimize();
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in_set_config_int(0, IN_CFG_BLOCKING, 0); /* flush event queue */
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omap_enable_layer(0); /* restore layer mem */
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vout_fbdev_restore(layer_fb);
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}
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void *plat_prepare_screenshot(int *w, int *h, int *bpp)
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{
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return NULL;
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}
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void plat_omap_init(void)
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{
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const char *main_fb_name, *layer_fb_name;
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int fd, ret, w, h;
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main_fb_name = getenv("FBDEV_MAIN");
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if (main_fb_name == NULL)
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main_fb_name = "/dev/fb0";
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layer_fb_name = getenv("FBDEV_LAYER");
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if (layer_fb_name == NULL)
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layer_fb_name = "/dev/fb1";
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// must set the layer up first to be able to use it
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fd = open(layer_fb_name, O_RDWR);
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if (fd == -1) {
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fprintf(stderr, "%s: ", layer_fb_name);
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perror("open");
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exit(1);
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}
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g_layer_x = 80, g_layer_y = 0;
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g_layer_w = 640, g_layer_h = 480;
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ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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close(fd);
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if (ret != 0) {
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fprintf(stderr, "failed to set up layer, exiting.\n");
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exit(1);
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}
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xenv_init(NULL, "PCSX-ReARMed");
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w = h = 0;
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main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);
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if (main_fb == NULL) {
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fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
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exit(1);
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}
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g_menuscreen_w = g_menuscreen_pp = w;
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g_menuscreen_h = h;
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g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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pl_rearmed_cbs.screen_w = w;
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pl_rearmed_cbs.screen_h = h;
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w = 640;
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h = 512;
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layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);
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if (layer_fb == NULL) {
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fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
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goto fail0;
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}
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return;
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fail0:
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vout_fbdev_finish(main_fb);
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exit(1);
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}
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void plat_omap_finish(void)
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{
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omap_enable_layer(0);
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vout_fbdev_finish(layer_fb);
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vout_fbdev_finish(main_fb);
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xenv_finish();
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}
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