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-rw-r--r--minuitwrp/graphics.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
index 512a95716..93123e40a 100644
--- a/minuitwrp/graphics.c
+++ b/minuitwrp/graphics.c
@@ -351,20 +351,18 @@ void gr_flip(void)
/* flip buffer 180 degrees for devices with physicaly inverted screens */
unsigned int i;
unsigned int j;
- uint8_t tmp;
- for (i = 0; i < ((vi.xres_virtual * vi.yres)/2); i++) {
- for (j = 0; j < PIXEL_SIZE; j++) {
- tmp = gr_mem_surface.data[i * PIXEL_SIZE + j];
- gr_mem_surface.data[i * PIXEL_SIZE + j] = gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j];
- gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j] = tmp;
+ for (i = 0; i < vi.yres; i++) {
+ for (j = 0; j < vi.xres; j++) {
+ memcpy(gr_framebuffer[gr_active_fb].data + (i * vi.xres_virtual + j) * PIXEL_SIZE,
+ gr_mem_surface.data + ((vi.yres - i - 1) * vi.xres_virtual + vi.xres - j - 1) * PIXEL_SIZE, PIXEL_SIZE);
}
}
-#endif
-
+#else
/* copy data from the in-memory surface to the buffer we're about
* to make active. */
memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
vi.xres_virtual * vi.yres * PIXEL_SIZE);
+#endif
/* inform the display driver */
set_active_framebuffer(gr_active_fb);