frame limiter opt, menu btn on cfg load fix
[libpicofe.git] / gp2x / plat.c
index c2dce2d..aa60412 100644 (file)
@@ -78,17 +78,28 @@ void plat_video_menu_enter(int is_rom_loaded)
        }
        else
        {
+               char buff[256];
+
                // should really only happen once, on startup..
-               readpng(g_screen_ptr, "skin/background.png", READPNG_BG);
+               emu_make_path(buff, "skin/background.png", sizeof(buff));
+               if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
+                       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)
@@ -110,6 +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;
@@ -181,7 +194,6 @@ void plat_finish(void)
                break;
        }
 
-       gp2x_video_changemode(16);
        sndout_oss_exit();
 }