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,
diff --git a/include/hardware/hardware.h b/include/hardware/hardware.h
index 27a4156..4d34852 100644
--- a/include/hardware/hardware.h
+++ b/include/hardware/hardware.h
@@ -121,6 +121,8 @@
 
 enum {
     HAL_PIXEL_FORMAT_RGBA_8888    = 1,
+    HAL_PIXEL_FORMAT_RGBX_8888    = 2,
+    HAL_PIXEL_FORMAT_RGB_888      = 3,
     HAL_PIXEL_FORMAT_RGB_565      = 4,
     HAL_PIXEL_FORMAT_BGRA_8888    = 5,
     HAL_PIXEL_FORMAT_RGBA_5551    = 6,
diff --git a/modules/gralloc/gralloc.cpp b/modules/gralloc/gralloc.cpp
index 54aa64c..d936cd3 100644
--- a/modules/gralloc/gralloc.cpp
+++ b/modules/gralloc/gralloc.cpp
@@ -369,9 +369,13 @@
         int bpp = 0;
         switch (format) {
             case HAL_PIXEL_FORMAT_RGBA_8888:
+            case HAL_PIXEL_FORMAT_RGBX_8888:
             case HAL_PIXEL_FORMAT_BGRA_8888:
                 bpp = 4;
                 break;
+            case HAL_PIXEL_FORMAT_RGB_888:
+                bpp = 3;
+                break;
             case HAL_PIXEL_FORMAT_RGB_565:
             case HAL_PIXEL_FORMAT_RGBA_5551:
             case HAL_PIXEL_FORMAT_RGBA_4444: