Bug 907745 - cleanup ImageClient::CreateImage. r=mattwoodrow

gfx/layers/client/ImageClient.cpp

@@ -449,25 +449,17 @@ ImageClientBridge::UpdateImage(ImageContainer* aContainer, uint32_t aContentFlag
 }
 
 already_AddRefed<Image>
-ImageClient::CreateImage(const uint32_t *aFormats,
-                         uint32_t aNumFormats)
+ImageClientSingle::CreateImage(const uint32_t *aFormats,
+                               uint32_t aNumFormats)
 {
   nsRefPtr<Image> img;
   for (uint32_t i = 0; i < aNumFormats; i++) {
     switch (aFormats[i]) {
       case PLANAR_YCBCR:
-        if (gfxPlatform::GetPlatform()->UseDeprecatedTextures()) {
-            img = new DeprecatedSharedPlanarYCbCrImage(GetForwarder());
-        } else {
-            img = new SharedPlanarYCbCrImage(this);
-        }
+        img = new SharedPlanarYCbCrImage(this);
         return img.forget();
       case SHARED_RGB:
-        if (gfxPlatform::GetPlatform()->UseDeprecatedTextures()) {
-            img = new DeprecatedSharedRGBImage(GetForwarder());
-        } else {
-            img = new SharedRGBImage(this);
-        }
+        img = new SharedRGBImage(this);
         return img.forget();
 #ifdef MOZ_WIDGET_GONK
       case GRALLOC_PLANAR_YCBCR:
@@ -479,5 +471,29 @@ ImageClient::CreateImage(const uint32_t *aFormats,
   return nullptr;
 }
 
+already_AddRefed<Image>
+DeprecatedImageClientSingle::CreateImage(const uint32_t *aFormats,
+                                         uint32_t aNumFormats)
+{
+  nsRefPtr<Image> img;
+  for (uint32_t i = 0; i < aNumFormats; i++) {
+    switch (aFormats[i]) {
+      case PLANAR_YCBCR:
+        img = new DeprecatedSharedPlanarYCbCrImage(GetForwarder());
+        return img.forget();
+      case SHARED_RGB:
+        img = new DeprecatedSharedRGBImage(GetForwarder());
+        return img.forget();
+#ifdef MOZ_WIDGET_GONK
+      case GRALLOC_PLANAR_YCBCR:
+        img = new GrallocImage();
+        return img.forget();
+#endif
+    }
+  }
+  return nullptr;
+}
+
+
 }
 }

gfx/layers/client/ImageClient.h

@@ -60,7 +60,7 @@ public:
   virtual void UpdatePictureRect(nsIntRect aPictureRect);
 
   virtual already_AddRefed<Image> CreateImage(const uint32_t *aFormats,
-                                              uint32_t aNumFormats);
+                                              uint32_t aNumFormats) = 0;
 
 protected:
   ImageClient(CompositableForwarder* aFwd, CompositableType aType);
@@ -93,6 +93,9 @@ public:
   CreateBufferTextureClient(gfx::SurfaceFormat aFormat) MOZ_OVERRIDE;
 
   virtual TextureInfo GetTextureInfo() const MOZ_OVERRIDE;
+
+  virtual already_AddRefed<Image> CreateImage(const uint32_t *aFormats,
+                                              uint32_t aNumFormats) MOZ_OVERRIDE;
 protected:
   RefPtr<TextureClient> mFrontBuffer;
   // Some layers may want to enforce some flags to all their textures
@@ -155,6 +158,9 @@ public:
     return mTextureInfo;
   }
 
+  virtual already_AddRefed<Image> CreateImage(const uint32_t *aFormats,
+                                              uint32_t aNumFormats) MOZ_OVERRIDE;
+
 private:
   RefPtr<DeprecatedTextureClient> mDeprecatedTextureClient;
   TextureInfo mTextureInfo;
@@ -189,6 +195,13 @@ public:
     MOZ_ASSERT(!aChild, "ImageClientBridge should not have IPDL actor");
   }
 
+  virtual already_AddRefed<Image> CreateImage(const uint32_t *aFormats,
+                                              uint32_t aNumFormats) MOZ_OVERRIDE
+  {
+    NS_WARNING("Should not create an image through an ImageClientBridge");
+    return nullptr;
+  }
+
 protected:
   uint64_t mAsyncContainerID;
   ShadowableLayer* mLayer;