anti-tear modes for Wiz

[libpicofe.git] / gp2x / plat.c

diff --git a/gp2x/plat.c b/gp2x/plat.c
index 8b9e0ae..aa60412 100644 (file)
--- a/gp2x/plat.c
+++ b/gp2x/plat.c
@@ -86,13 +86,20 @@ void plat_video_menu_enter(int is_rom_loaded)
                        memset(g_screen_ptr, 0, 320*240*2);
        }
 
-       // copy to buffer2
+       // copy to buffer2, switch to black
        gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2);
 
+       /* 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);
-       gp2x_video_flip2();
 }
 
 void plat_video_menu_begin(void)
@@ -114,6 +121,8 @@ void plat_validate_config(void)
        soc = soc_detect();
        if (soc != SOCID_MMSP2)
                PicoOpt &= ~POPT_EXT_FM;
+       if (soc != SOCID_POLLUX)
+               currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX;
 
        if (currentConfig.gamma < 10 || currentConfig.gamma > 300)
                currentConfig.gamma = 100;