-void *gp2x_screens[4];
-
-void gp2x_video_changemode(int bpp)
-{
- gp2x_video_changemode_ll(bpp);
-
- gp2x_memset_all_buffers(0, 0, 320*240*2);
- gp2x_video_flip();
-}
-
-static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
-{
- char *dst;
- if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
- if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
- if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
- if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
-}
-
-void gp2x_memcpy_all_buffers(void *data, int offset, int len)
-{
- gp2x_memcpy_buffers(0xf, data, offset, len);
-}
-
-void gp2x_memset_all_buffers(int offset, int byte, int len)
-{
- memset((char *)gp2x_screens[0] + offset, byte, len);
- memset((char *)gp2x_screens[1] + offset, byte, len);
- memset((char *)gp2x_screens[2] + offset, byte, len);
- memset((char *)gp2x_screens[3] + offset, byte, len);
-}
-
-void gp2x_make_fb_bufferable(int yes)
-{
- int ret = 0;
-
- yes = yes ? 1 : 0;
- ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
- ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
- ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
- ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
-
- if (ret)
- fprintf(stderr, "could not make fb buferable.\n");
- else
- printf("made fb buferable.\n");
-}
-
-/* common */
-char cpu_clk_name[16] = "GP2X CPU clocks";
-
-void plat_video_menu_enter(int is_rom_loaded)
-{
- /* try to switch nicely avoiding tearing on Wiz */
- gp2x_video_wait_vsync();
- memset(gp2x_screens[0], 0, 320*240*2);
- memset(gp2x_screens[1], 0, 320*240*2);
- gp2x_video_flip2();
- gp2x_video_wait_vsync();
- gp2x_video_wait_vsync();
-
- // switch to 16bpp
- gp2x_video_changemode_ll(16);
- gp2x_video_RGB_setscaling(0, 320, 240);
-}
-
-void plat_video_menu_begin(void)
-{
- memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
- g_menuscreen_ptr = g_screen_ptr;
-}
-
-void plat_video_menu_end(void)
-{
- // FIXME
- // gp2x_video_flush_cache();
- gp2x_video_flip2();
-}
-
-void plat_early_init(void)