pandora: tripplebuffer fbdev out, refactoring

[libpicofe.git] / gp2x / plat.c

diff --git a/gp2x/plat.c b/gp2x/plat.c
index 568d363..d1e6d80 100644 (file)
--- a/gp2x/plat.c
+++ b/gp2x/plat.c
@@ -69,26 +69,17 @@ char cpu_clk_name[16] = "GP2X CPU clocks";
 
 void plat_video_menu_enter(int is_rom_loaded)
 {
-       if (is_rom_loaded)
-       {
-               // darken the active framebuffer
-               memset(g_screen_ptr, 0, 320*8*2);
-               menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
-               memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
-       }
-       else
-       {
-               // should really only happen once, on startup..
-               readpng(g_screen_ptr, "skin/background.png", READPNG_BG);
-       }
-
-       // copy to buffer2
-       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)
@@ -103,21 +94,6 @@ void plat_video_menu_end(void)
        gp2x_video_flip2();
 }
 
-void plat_validate_config(void)
-{
-       gp2x_soc_t soc;
-
-       soc = soc_detect();
-       if (soc != SOCID_MMSP2)
-               PicoOpt &= ~POPT_EXT_FM;
-
-       if (currentConfig.gamma < 10 || currentConfig.gamma > 300)
-               currentConfig.gamma = 100;
-
-       if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024)
-               currentConfig.CPUclock = default_cpu_clock;
-}
-
 void plat_early_init(void)
 {
        gp2x_soc_t soc;
@@ -133,8 +109,8 @@ void plat_early_init(void)
                default_cpu_clock = 533;
                break;
        default:
-               fprintf(stderr, "could not recognize SoC, bailing out.\n");
-               exit(1);
+               printf("could not recognize SoC, running in dummy mode.\n");
+               break;
        }
 }
 
@@ -147,12 +123,14 @@ void plat_init(void)
        {
        case SOCID_MMSP2:
                mmsp2_init();
+               menu_plat_setup(0);
                break;
        case SOCID_POLLUX:
                pollux_init();
                menu_plat_setup(1);
                break;
        default:
+               dummy_init();
                break;
        }
 
@@ -160,6 +138,9 @@ void plat_init(void)
 
        gp2x_memset_all_buffers(0, 0, 320*240*2);
 
+       // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
+       g_menubg_ptr = gp2x_screens[2];
+
        // snd
        sndout_oss_init();
 }
@@ -179,6 +160,9 @@ void plat_finish(void)
        case SOCID_POLLUX:
                pollux_finish();
                break;
+       default:
+               dummy_finish();
+               break;
        }
 
        sndout_oss_exit();