Add support for RGBA_8888 pixel format

Change-Id: Ia15d49e51cad5bc8a3291975e1ff515a2b1c419c
diff --git a/minuitwrp/Android.mk b/minuitwrp/Android.mk
index 2f30343..9204339 100644
--- a/minuitwrp/Android.mk
+++ b/minuitwrp/Android.mk
@@ -62,6 +62,9 @@
 LOCAL_CFLAGS += -D_EVENT_LOGGING
 endif
 
+ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),RGBA_8888)
+  LOCAL_CFLAGS += -DRECOVERY_RGBA
+endif
 ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),RGBX_8888)
   LOCAL_CFLAGS += -DRECOVERY_RGBX
 endif
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
index 6dfbc23..a3da6cb 100644
--- a/minuitwrp/graphics.c
+++ b/minuitwrp/graphics.c
@@ -44,6 +44,10 @@
 #define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888
 #define PIXEL_SIZE 4
 #endif
+#ifdef RECOVERY_RGBA
+#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBA_8888
+#define PIXEL_SIZE   4
+#endif
 #ifdef RECOVERY_RGBX
 #define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888
 #define PIXEL_SIZE 4
@@ -199,6 +203,17 @@
         vi.blue.length    = 8;
         vi.transp.offset  = 0;
         vi.transp.length  = 8;
+    } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBA_8888) {
+        fprintf(stderr, "Pixel format: RGBA_8888\n");
+        if (PIXEL_SIZE != 4)    fprintf(stderr, "E: Pixel Size mismatch!\n");
+        vi.red.offset     = 0;
+        vi.red.length     = 8;
+        vi.green.offset   = 8;
+        vi.green.length   = 8;
+        vi.blue.offset    = 16;
+        vi.blue.length    = 8;
+        vi.transp.offset  = 24;
+        vi.transp.length  = 8;
     } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) {
         fprintf(stderr, "Pixel format: RGBX_8888\n");
         if (PIXEL_SIZE != 4)    fprintf(stderr, "E: Pixel Size mismatch!\n");
diff --git a/minuitwrp/graphics_overlay.c b/minuitwrp/graphics_overlay.c
index 80e64d7..723ffa2 100644
--- a/minuitwrp/graphics_overlay.c
+++ b/minuitwrp/graphics_overlay.c
@@ -75,6 +75,8 @@
     int format = MDP_RGB_565;
 #if defined(RECOVERY_BGRA)
     format = MDP_BGRA_8888;
+#elif defined(RECOVERY_RGBA)
+    format = MDP_RGBA_8888;
 #elif defined(RECOVERY_RGBX)
     format = MDP_RGBA_8888;
 #endif