--- a/gfx/layers/composite/ImageHost.cpp
+++ b/gfx/layers/composite/ImageHost.cpp
@@ -352,17 +352,17 @@ ImageHost::Composite(LayerComposite* aLa
       // BindTextureSource above should have returned false!
       MOZ_ASSERT(false);
       return;
     }
 
     bool isAlphaPremultiplied =
         !(mCurrentTextureHost->GetFlags() & TextureFlags::NON_PREMULTIPLIED);
     RefPtr<TexturedEffect> effect =
-        CreateTexturedEffect(mCurrentTextureHost->GetFormat(),
+        CreateTexturedEffect(mCurrentTextureHost->GetReadFormat(),
             mCurrentTextureSource.get(), aFilter, isAlphaPremultiplied,
             GetRenderState());
     if (!effect) {
       return;
     }
 
     if (!GetCompositor()->SupportsEffect(effect->mType)) {
       return;
@@ -592,17 +592,17 @@ ImageHost::GenEffect(const gfx::Filter& 
   if (!mCurrentTextureHost->BindTextureSource(mCurrentTextureSource)) {
     return nullptr;
   }
   bool isAlphaPremultiplied = true;
   if (mCurrentTextureHost->GetFlags() & TextureFlags::NON_PREMULTIPLIED) {
     isAlphaPremultiplied = false;
   }
 
-  return CreateTexturedEffect(mCurrentTextureHost->GetFormat(),
+  return CreateTexturedEffect(mCurrentTextureHost->GetReadFormat(),
                               mCurrentTextureSource,
                               aFilter,
                               isAlphaPremultiplied,
                               GetRenderState());
 }
 
 void
 ImageHost::SetImageContainer(ImageContainerParent* aImageContainer)