Byte swap to support BGRA in recovery mode
Fixes color palate of recovery mode when double buffer enabled.
Bug: 18169447
Change-Id: Ia50b0fb9afd8001dfd740c09ce109fa421e691f7
diff --git a/minui/graphics_fbdev.c b/minui/graphics_fbdev.c
index c0c1bcb..6df2726 100644
--- a/minui/graphics_fbdev.c
+++ b/minui/graphics_fbdev.c
@@ -179,6 +179,18 @@
static gr_surface fbdev_flip(minui_backend* backend __unused) {
if (double_buffered) {
+#if defined(RECOVERY_BGRA)
+ // In case of BGRA, do some byte swapping
+ unsigned int idx;
+ unsigned char tmp;
+ unsigned char* ucfb_vaddr = (unsigned char*)gr_draw->data;
+ for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes);
+ idx += 4) {
+ tmp = ucfb_vaddr[idx];
+ ucfb_vaddr[idx ] = ucfb_vaddr[idx + 2];
+ ucfb_vaddr[idx + 2] = tmp;
+ }
+#endif
// Change gr_draw to point to the buffer currently displayed,
// then flip the driver so we're displaying the other buffer
// instead.
