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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::FrameUniformityData from "mozilla/layers/FrameUniformityData.h";
using mozilla::layers::ScrollableLayerGuid from "mozilla/layers/ScrollableLayerGuid.h";
using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
using mozilla::layers::CompositionPayload from "mozilla/layers/LayersTypes.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::wr::MaybeIdNamespace from "mozilla/webrender/WebRenderTypes.h";
using mozilla::wr::ExternalImageKeyPair from "mozilla/webrender/WebRenderTypes.h";
using moveonly mozilla::layers::DisplayListData from "mozilla/layers/RenderRootTypes.h";
using moveonly mozilla::layers::MaybeTransactionData from "mozilla/layers/RenderRootTypes.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";
using mozilla::VsyncId from "mozilla/VsyncDispatcher.h";

namespace mozilla {
namespace layers {

sync protocol PWebRenderBridge
{
  manager PCompositorBridge;

parent:
  sync EnsureConnected()
    returns (TextureFactoryIdentifier textureFactoryIdentifier, MaybeIdNamespace maybeIdNamespace, nsCString error);

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

  async DeleteCompositorAnimations(uint64_t[] aIds);
  async SetDisplayList(DisplayListData displayList,
                       OpDestroy[] toDestroy, uint64_t fwdTransactionId, TransactionId transactionId,
                       bool containsSVGGroup,
                       VsyncId vsyncId, TimeStamp vsyncStartTime,
                       TimeStamp refreshStartTime, TimeStamp txnStartTime, nsCString txnURL, TimeStamp fwdTime,
                       CompositionPayload[] payloads);
  async EmptyTransaction(FocusTarget focusTarget,
                         MaybeTransactionData transationData,
                         OpDestroy[] toDestroy, uint64_t fwdTransactionId, TransactionId transactionId,
                         VsyncId vsyncId, TimeStamp vsyncStartTime,
                         TimeStamp refreshStartTime, TimeStamp txnStartTime,
                         nsCString txnURL, TimeStamp fwdTime,
                         CompositionPayload[] payloads);
  async SetFocusTarget(FocusTarget focusTarget);
  async UpdateResources(IdNamespace aIdNamespace, OpUpdateResource[] aResourceUpdates,
                        RefCountedShmem[] aSmallShmems, Shmem[] aLargeShmems);
  async ParentCommands(WebRenderParentCommand[] commands);
  sync GetSnapshot(PTexture texture) returns (bool aNeedsYFlip);
  async SetLayersObserverEpoch(LayersObserverEpoch childEpoch);
  async ClearCachedResources();
  // Invalidate rendered frame
  async InvalidateRenderedFrame();
  // Schedule a composite if one isn't already scheduled.
  async ScheduleComposite();
  // Save the frame capture to disk
  async Capture();
  // Start capturing each frame and save to disk, and if already started, stop.
  async ToggleCaptureSequence();

  // 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);
  sync GetFrameUniformity() returns (FrameUniformityData data);

  async Shutdown();
  sync ShutdownSync();
child:
  async WrUpdated(IdNamespace aNewIdNamespace, TextureFactoryIdentifier textureFactoryIdentifier);
  async WrReleasedImages(ExternalImageKeyPair[] pairs);
  async __delete__();
};

} // layers
} // mozilla