add support for RGBX_8888
diff --git a/include/hardware/copybit.h b/include/hardware/copybit.h
index 833aa32..556ccfa 100644
--- a/include/hardware/copybit.h
+++ b/include/hardware/copybit.h
@@ -40,6 +40,8 @@
  */
 enum {
     COPYBIT_FORMAT_RGBA_8888    = HAL_PIXEL_FORMAT_RGBA_8888,
+    COPYBIT_FORMAT_RGBX_8888    = HAL_PIXEL_FORMAT_RGBX_8888,
+    COPYBIT_FORMAT_RGB_888      = HAL_PIXEL_FORMAT_RGB_888,
     COPYBIT_FORMAT_RGB_565      = HAL_PIXEL_FORMAT_RGB_565,
     COPYBIT_FORMAT_BGRA_8888    = HAL_PIXEL_FORMAT_BGRA_8888,
     COPYBIT_FORMAT_RGBA_5551    = HAL_PIXEL_FORMAT_RGBA_5551,