gecko-dev/gfx/layers/ipc/SharedSurfacesChild.h

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1.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/. */
#ifndef MOZILLA_GFX_SHAREDSURFACESCHILD_H
#define MOZILLA_GFX_SHAREDSURFACESCHILD_H
#include <stddef.h> // for size_t
#include <stdint.h> // for uint32_t, uint64_t
#include "mozilla/Attributes.h" // for override
#include "mozilla/RefPtr.h" // for already_AddRefed
#include "mozilla/StaticPtr.h" // for StaticRefPtr
#include "mozilla/webrender/WebRenderTypes.h" // for wr::ImageKey
namespace mozilla {
namespace gfx {
class SourceSurfaceSharedData;
} // namespace gfx
namespace wr {
class IpcResourceUpdateQueue;
} // namespace wr
namespace layers {
class CompositorManagerChild;
class WebRenderLayerManager;
class SharedSurfacesChild final
{
public:
static nsresult Share(gfx::SourceSurfaceSharedData* aSurface,
WebRenderLayerManager* aManager,
wr::IpcResourceUpdateQueue& aResources,
wr::ImageKey& aKey);
static nsresult Share(ImageContainer* aContainer,
WebRenderLayerManager* aManager,
wr::IpcResourceUpdateQueue& aResources,
wr::ImageKey& aKey);
private:
SharedSurfacesChild() = delete;
~SharedSurfacesChild() = delete;
class ImageKeyData;
class SharedUserData;
static void Unshare(const wr::ExternalImageId& aId, nsTArray<ImageKeyData>& aKeys);
static void DestroySharedUserData(void* aClosure);
};
} // namespace layers
} // namespace mozilla
#endif