Gpu Image Decode Controller

cc/resources/resource_format.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/resources/resource_format.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 
 namespace cc {
 
-SkColorType ResourceFormatToSkColorType(ResourceFormat format) {
+SkColorType ResourceFormatToClosestSkColorType(ResourceFormat format) {
+  // Use kN32_SkColorType if there is no corresponding SkColorType.
   switch (format) {
     case RGBA_4444:
       return kARGB_4444_SkColorType;
     case RGBA_8888:
     case BGRA_8888:
       return kN32_SkColorType;
+    case ALPHA_8:
+      return kAlpha_8_SkColorType;
+    case RGB_565:
+      return kRGB_565_SkColorType;
+    case LUMINANCE_8:
+      return kGray_8_SkColorType;
     case ETC1:
-    case ALPHA_8:
-    case LUMINANCE_8:
-    case RGB_565:
     case RED_8:
     case LUMINANCE_F16:
-      NOTREACHED();
-      break;
+      return kN32_SkColorType;
   }
   NOTREACHED();
   return kN32_SkColorType;
 }
 
 int BitsPerPixel(ResourceFormat format) {
   switch (format) {
     case BGRA_8888:
     case RGBA_8888:
       return 32;
@@ skipping 92 matching lines @@
     case ETC1:
     case RED_8:
     case LUMINANCE_F16:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace cc