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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=8 et :
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

include LayersSurfaces;
include LayersMessages;
include "mozilla/GfxMessageUtils.h";
include "mozilla/layers/WebRenderMessageUtils.h";

include WebRenderMessages;
include protocol PCompositorBridge;
include protocol PTexture;

using mozilla::layers::APZTestData from "mozilla/layers/APZTestData.h";
using mozilla::layers::ScrollUpdatesMap from "FrameMetrics.h";
using struct mozilla::layers::ScrollableLayerGuid from "FrameMetrics.h";
using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
using mozilla::layers::CompositableHandle from "mozilla/layers/LayersTypes.h";
using mozilla::wr::BuiltDisplayListDescriptor from "mozilla/webrender/webrender_ffi.h";
using mozilla::wr::IdNamespace from "mozilla/webrender/WebRenderTypes.h";
using mozilla::layers::WebRenderScrollData from "mozilla/layers/WebRenderScrollData.h";
using mozilla::layers::FocusTarget from "mozilla/layers/FocusTarget.h";
using mozilla::layers::LayersObserverEpoch from "mozilla/layers/LayersTypes.h";
using mozilla::layers::TransactionId from "mozilla/layers/LayersTypes.h";

namespace mozilla {
namespace layers {

sync protocol PWebRenderBridge
{
  manager PCompositorBridge;

parent:
  async NewCompositable(CompositableHandle handle, TextureInfo info);
  async ReleaseCompositable(CompositableHandle compositable);

  sync Create(IntSize aSize);
  async DeleteCompositorAnimations(uint64_t[] aIds);
  async SetDisplayList(IntSize aSize, WebRenderParentCommand[] commands, OpDestroy[] toDestroy, uint64_t fwdTransactionId, TransactionId transactionId,
                       LayoutSize aContentSize, ByteBuf aDL, BuiltDisplayListDescriptor aDLDesc,
                       WebRenderScrollData aScrollData,
                       OpUpdateResource[] aResourceUpdates, RefCountedShmem[] aSmallShmems, Shmem[] aLargeShmems,
                       IdNamespace aIdNamespace, TimeStamp refreshStartTime, TimeStamp txnStartTime, TimeStamp fwdTime);
  async EmptyTransaction(FocusTarget focusTarget, ScrollUpdatesMap scrollUpdates, uint32_t aPaintSequenceNumber,
                         WebRenderParentCommand[] commands, OpDestroy[] toDestroy, uint64_t fwdTransactionId, TransactionId transactionId,
                         IdNamespace aIdNamespace, TimeStamp refreshStartTime, TimeStamp txnStartTime, TimeStamp fwdTime);
  async SetFocusTarget(FocusTarget focusTarget);
  async UpdateResources(OpUpdateResource[] aResourceUpdates, RefCountedShmem[] aSmallShmems, Shmem[] aLargeShmems);
  async ParentCommands(WebRenderParentCommand[] commands);
  sync GetSnapshot(PTexture texture);
  async SetLayersObserverEpoch(LayersObserverEpoch childEpoch);
  async ClearCachedResources();
  // Schedule a composite if one isn't already scheduled.
  async ScheduleComposite();
  // Save the frame capture to disk
  async Capture();

  // Replacement for PCompositorBridge::SyncWithCompositor, but for WR. We need
  // it on PWebRenderBridge because it associated with a particular top-level
  // window, and PCompositorBridge doesn't allow doing that in a secure manner.
  sync SyncWithCompositor();

  // These correspond exactly to the equivalent APIs in PLayerTransaction -
  // see those for documentation.
  async SetConfirmedTargetAPZC(uint64_t aInputBlockId, ScrollableLayerGuid[] aTargets);
  // More copied from PLayerTransaction, but these are only used for testing.
  sync SetTestSampleTime(TimeStamp sampleTime);
  sync LeaveTestMode();
  sync GetAnimationValue(uint64_t aCompositorAnimationsId) returns (OMTAValue value);
  sync SetAsyncScrollOffset(ViewID scrollId, float x, float y);
  sync SetAsyncZoom(ViewID scrollId, float zoom);
  async FlushApzRepaints();
  sync GetAPZTestData() returns (APZTestData data);

  async Shutdown();
  sync ShutdownSync();
child:
  async WrUpdated(IdNamespace aNewIdNamespace, TextureFactoryIdentifier textureFactoryIdentifier);
  async __delete__();
};

} // layers
} // mozilla