Bug 1345017 - pass animation data from content to WebRenderBridgeParent, r=kats

MozReview-Commit-ID: 7p5ocyr1ywV

gfx/layers/ipc/WebRenderMessages.ipdlh

@@ -37,9 +37,14 @@ struct OpAddExternalImage {
   ImageKey key;
 };
 
+struct OpAddCompositorAnimations {
+  CompositorAnimations data;
+};
+
 union WebRenderParentCommand {
   OpAddExternalImage;
   CompositableOperation;
+  OpAddCompositorAnimations;
 };
 
 } // namespace

gfx/layers/wr/WebRenderBridgeParent.cpp

@@ -10,6 +10,7 @@
 #include "GLContext.h"
 #include "GLContextProvider.h"
 #include "mozilla/Range.h"
+#include "mozilla/layers/AnimationHelper.h"
 #include "mozilla/layers/Compositor.h"
 #include "mozilla/layers/CompositorBridgeParent.h"
 #include "mozilla/layers/CompositorThread.h"
@@ -415,6 +416,19 @@ WebRenderBridgeParent::ProcessWebRenderCommands(const gfx::IntSize &aSize,
         }
         break;
       }
+      case WebRenderParentCommand::TOpAddCompositorAnimations: {
+        const OpAddCompositorAnimations& op = cmd.get_OpAddCompositorAnimations();
+        CompositorAnimations data(Move(op.data()));
+        if (data.animations().Length()) {
+          uint64_t id = mWidget ? 0 : mPipelineId.mHandle;
+          CompositorAnimationStorage* storage =
+            mCompositorBridge->GetAnimationStorage(id);
+          if (storage) {
+            storage->SetAnimations(data.id(), data.animations());
+          }
+        }
+        break;
+      }
       default: {
         // other commands are handle on the child
         break;

gfx/layers/wr/WebRenderContainerLayer.cpp

@@ -37,12 +37,19 @@ WebRenderContainerLayer::RenderLayer(wr::DisplayListBuilder& aBuilder)
   }
   aBuilder.PushStackingContext(wr::ToWrRect(relBounds),
                                GetLocalOpacity(),
-                               //GetLayer()->GetAnimations(),
                                transform,
                                mixBlendMode);
   aBuilder.PushScrollLayer(wr::ToWrRect(overflow),
                            wr::ToWrRect(overflow),
                            mask.ptrOr(nullptr));
+
+  if (GetCompositorAnimationsId()) {
+    CompositorAnimations anim;
+    anim.animations() = GetAnimations();
+    anim.id() = GetCompositorAnimationsId();
+    WrBridge()->AddWebRenderParentCommand(OpAddCompositorAnimations(anim));
+  }
+
   for (LayerPolygon& child : children) {
     if (child.layer->IsBackfaceHidden()) {
       continue;