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cache (on framebuffer mem) flush fix from 2007 (gpsp09-2xb_2)
[gpsp.git]
/
video.c
diff --git
a/video.c
b/video.c
index
e1f749e
..
19a4c11
100644
(file)
--- a/
video.c
+++ b/
video.c
@@
-93,6
+93,7
@@
SDL_Surface *hw_screen;
#endif
SDL_Surface *screen;
const u32 video_scale = 1;
#endif
SDL_Surface *screen;
const u32 video_scale = 1;
+extern void gp2x_flush_cache(void *beginning_addr, void *end_addr, int flags);
#define get_screen_pixels() \
((u16 *)screen->pixels) \
#define get_screen_pixels() \
((u16 *)screen->pixels) \
@@
-3409,6
+3410,9
@@
void flip_screen()
{
SDL_BlitSurface(screen, NULL, hw_screen, NULL);
}
{
SDL_BlitSurface(screen, NULL, hw_screen, NULL);
}
+ /* it is unclear if this syscall takes virtual or physical addresses,
+ * but using virtual seems to work for me. */
+ gp2x_flush_cache(hw_screen->pixels, hw_screen->pixels + 320*240, 0);
}
#else
SDL_Flip(screen);
}
#else
SDL_Flip(screen);