add a pitch variable

[picodrive.git] / platform / common / plat_sdl.c

diff --git a/platform/common/plat_sdl.c b/platform/common/plat_sdl.c
index 1b617d5..3948cc4 100644 (file)
--- a/platform/common/plat_sdl.c
+++ b/platform/common/plat_sdl.c
@@ -158,19 +158,19 @@ void plat_video_flip(void)
 
                SDL_LockYUVOverlay(plat_sdl_overlay);
                rgb565_to_uyvy(plat_sdl_overlay->pixels[0], shadow_fb,
-                               g_screen_width * g_screen_height);
+                               g_screen_ppitch * g_screen_height);
                SDL_UnlockYUVOverlay(plat_sdl_overlay);
                SDL_DisplayYUVOverlay(plat_sdl_overlay, &dstrect);
        }
        else if (plat_sdl_gl_active) {
-               gl_flip(shadow_fb, g_screen_width, g_screen_height);
+               gl_flip(shadow_fb, g_screen_ppitch, g_screen_height);
        }
        else {
                if (SDL_MUSTLOCK(plat_sdl_screen))
                        SDL_UnlockSurface(plat_sdl_screen);
                SDL_Flip(plat_sdl_screen);
                g_screen_ptr = plat_sdl_screen->pixels;
-               PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
+               PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
        }
 }
 
@@ -204,13 +204,13 @@ void plat_video_menu_end(void)
 
                SDL_LockYUVOverlay(plat_sdl_overlay);
                rgb565_to_uyvy(plat_sdl_overlay->pixels[0], shadow_fb,
-                               g_menuscreen_w * g_menuscreen_h);
+                               g_menuscreen_pp * g_menuscreen_h);
                SDL_UnlockYUVOverlay(plat_sdl_overlay);
 
                SDL_DisplayYUVOverlay(plat_sdl_overlay, &dstrect);
        }
        else if (plat_sdl_gl_active) {
-               gl_flip(g_menuscreen_ptr, g_menuscreen_w, g_menuscreen_h);
+               gl_flip(g_menuscreen_ptr, g_menuscreen_pp, g_menuscreen_h);
        }
        else {
                if (SDL_MUSTLOCK(plat_sdl_screen))
@@ -237,7 +237,7 @@ void plat_video_loop_prepare(void)
                        SDL_LockSurface(plat_sdl_screen);
                g_screen_ptr = plat_sdl_screen->pixels;
        }
-       PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
+       PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
 }
 
 void plat_early_init(void)
@@ -265,6 +265,7 @@ void plat_init(void)
 
        g_menuscreen_w = plat_sdl_screen->w;
        g_menuscreen_h = plat_sdl_screen->h;
+       g_menuscreen_pp = g_menuscreen_w;
        g_menuscreen_ptr = NULL;
 
        shadow_size = g_menuscreen_w * g_menuscreen_h * 2;
@@ -280,6 +281,7 @@ void plat_init(void)
 
        g_screen_width = 320;
        g_screen_height = 240;
+       g_screen_ppitch = 320;
        g_screen_ptr = shadow_fb;
 
        in_sdl_init(&in_sdl_platform_data, plat_sdl_event_handler);