diff --git a/gfx/webrender_bindings/WebRenderAPI.cpp b/gfx/webrender_bindings/WebRenderAPI.cpp
index d447ddaf9e71..c05a1d99fc27 100644
--- a/gfx/webrender_bindings/WebRenderAPI.cpp
+++ b/gfx/webrender_bindings/WebRenderAPI.cpp
@@ -438,14 +438,14 @@ WebRenderAPI::AddExternalImage(ImageKey key,
 }
 
 void
-WebRenderAPI::AddExternalImageBuffer(ImageKey key,
+WebRenderAPI::AddExternalImageBuffer(ImageKey aKey,
                                      const ImageDescriptor& aDescriptor,
                                      ExternalImageId aHandle)
 {
-  wr_api_add_external_image_buffer(mRenderApi,
-                                   key,
-                                   &aDescriptor,
-                                   aHandle);
+  auto channelIndex = 0;
+  AddExternalImage(aKey, aDescriptor, aHandle,
+                   wr::WrExternalImageBufferType::ExternalBuffer,
+                   channelIndex);
 }
 
 void
@@ -459,6 +459,32 @@ WebRenderAPI::UpdateImageBuffer(ImageKey aKey,
                       RangeToByteSlice(aBytes));
 }
 
+void
+WebRenderAPI::UpdateBlobImage(ImageKey aKey,
+                              const ImageDescriptor& aDescriptor,
+                              Range<uint8_t> aBytes)
+{
+  wr_api_update_blob_image(mRenderApi,
+                           aKey,
+                           &aDescriptor,
+                           RangeToByteSlice(aBytes));
+}
+
+void
+WebRenderAPI::UpdateExternalImage(ImageKey aKey,
+                                  const ImageDescriptor& aDescriptor,
+                                  ExternalImageId aExtID,
+                                  wr::WrExternalImageBufferType aBufferType,
+                                  uint8_t aChannelIndex)
+{
+  wr_api_update_external_image(mRenderApi,
+                               aKey,
+                               &aDescriptor,
+                               aExtID,
+                               aBufferType,
+                               aChannelIndex);
+}
+
 void
 WebRenderAPI::DeleteImage(ImageKey aKey)
 {
diff --git a/gfx/webrender_bindings/WebRenderAPI.h b/gfx/webrender_bindings/WebRenderAPI.h
index c8b9042a2b4d..04c99cfddc2b 100644
--- a/gfx/webrender_bindings/WebRenderAPI.h
+++ b/gfx/webrender_bindings/WebRenderAPI.h
@@ -87,12 +87,22 @@ public:
                         const ImageDescriptor& aDescriptor,
                         ExternalImageId aExtID,
                         WrExternalImageBufferType aBufferType,
-                        uint8_t aChannelIndex);
+                        uint8_t aChannelIndex = 0);
 
   void UpdateImageBuffer(wr::ImageKey aKey,
                          const ImageDescriptor& aDescriptor,
                          Range<uint8_t> aBytes);
 
+  void UpdateBlobImage(wr::ImageKey aKey,
+                       const ImageDescriptor& aDescriptor,
+                       Range<uint8_t> aBytes);
+
+  void UpdateExternalImage(ImageKey aKey,
+                           const ImageDescriptor& aDescriptor,
+                           ExternalImageId aExtID,
+                           wr::WrExternalImageBufferType aBufferType,
+                           uint8_t aChannelIndex = 0);
+
   void DeleteImage(wr::ImageKey aKey);
 
   void AddRawFont(wr::FontKey aKey, Range<uint8_t> aBytes, uint32_t aIndex);
diff --git a/gfx/webrender_bindings/src/bindings.rs b/gfx/webrender_bindings/src/bindings.rs
index fae953fd2bf5..88b7df29a404 100644
--- a/gfx/webrender_bindings/src/bindings.rs
+++ b/gfx/webrender_bindings/src/bindings.rs
@@ -643,22 +643,6 @@ pub extern "C" fn wr_api_add_external_image(api: &mut RenderApi,
                   None);
 }
 
-#[no_mangle]
-pub extern "C" fn wr_api_add_external_image_buffer(api: &mut RenderApi,
-                                                   image_key: WrImageKey,
-                                                   descriptor: &WrImageDescriptor,
-                                                   external_image_id: WrExternalImageId) {
-    assert!(unsafe { is_in_compositor_thread() });
-    api.add_image(image_key,
-                  descriptor.into(),
-                  ImageData::External(ExternalImageData {
-                                          id: external_image_id.into(),
-                                          channel_index: 0,
-                                          image_type: ExternalImageType::ExternalBuffer,
-                                      }),
-                  None);
-}
-
 #[no_mangle]
 pub extern "C" fn wr_api_update_image(api: &mut RenderApi,
                                       key: WrImageKey,
@@ -670,6 +654,43 @@ pub extern "C" fn wr_api_update_image(api: &mut RenderApi,
     api.update_image(key, descriptor.into(), ImageData::new(copied_bytes), None);
 }
 
+#[no_mangle]
+pub extern "C" fn wr_api_update_external_image(
+    api: &mut RenderApi,
+    key: WrImageKey,
+    descriptor: &WrImageDescriptor,
+    external_image_id: WrExternalImageId,
+    image_type: WrExternalImageBufferType,
+    channel_index: u8
+) {
+    assert!(unsafe { is_in_compositor_thread() });
+
+    let data = ImageData::External(
+        ExternalImageData {
+            id: external_image_id.into(),
+            channel_index,
+            image_type,
+        }
+    );
+
+    api.update_image(key, descriptor.into(), data, None);
+}
+
+#[no_mangle]
+pub extern "C" fn wr_api_update_blob_image(api: &mut RenderApi,
+                                           image_key: WrImageKey,
+                                           descriptor: &WrImageDescriptor,
+                                           bytes: ByteSlice) {
+    assert!(unsafe { is_in_compositor_thread() });
+    let copied_bytes = bytes.as_slice().to_owned();
+    api.update_image(
+        image_key,
+        descriptor.into(),
+        ImageData::new_blob_image(copied_bytes),
+        None
+    );
+}
+
 #[no_mangle]
 pub extern "C" fn wr_api_delete_image(api: &mut RenderApi,
                                       key: WrImageKey) {
diff --git a/gfx/webrender_bindings/webrender_ffi_generated.h b/gfx/webrender_bindings/webrender_ffi_generated.h
index 33cdffdeb717..139bfd2f1b2c 100644
--- a/gfx/webrender_bindings/webrender_ffi_generated.h
+++ b/gfx/webrender_bindings/webrender_ffi_generated.h
@@ -636,13 +636,6 @@ void wr_api_add_external_image(RenderApi *aApi,
                                uint8_t aChannelIndex)
 WR_FUNC;
 
-WR_INLINE
-void wr_api_add_external_image_buffer(RenderApi *aApi,
-                                      WrImageKey aImageKey,
-                                      const WrImageDescriptor *aDescriptor,
-                                      WrExternalImageId aExternalImageId)
-WR_FUNC;
-
 WR_INLINE
 void wr_api_add_image(RenderApi *aApi,
                       WrImageKey aImageKey,
@@ -730,6 +723,22 @@ void wr_api_set_window_parameters(RenderApi *aApi,
                                   int32_t aHeight)
 WR_FUNC;
 
+WR_INLINE
+void wr_api_update_blob_image(RenderApi *aApi,
+                              WrImageKey aImageKey,
+                              const WrImageDescriptor *aDescriptor,
+                              ByteSlice aBytes)
+WR_FUNC;
+
+WR_INLINE
+void wr_api_update_external_image(RenderApi *aApi,
+                                  WrImageKey aKey,
+                                  const WrImageDescriptor *aDescriptor,
+                                  WrExternalImageId aExternalImageId,
+                                  WrExternalImageBufferType aImageType,
+                                  uint8_t aChannelIndex)
+WR_FUNC;
+
 WR_INLINE
 void wr_api_update_image(RenderApi *aApi,
                          WrImageKey aKey,