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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_RemoteTextureHostWrapper_H
#define MOZILLA_GFX_RemoteTextureHostWrapper_H
#include "mozilla/layers/TextureHost.h"
#include "mozilla/Monitor.h"
namespace mozilla::layers {
// This class wraps TextureHost of remote texture.
// In sync mode, mRemoteTextureForDisplayList holds TextureHost of mTextureId.
// In async mode, it could be previous remote texture's TextureHost that is
// compatible to the mTextureId's TextureHost.
class RemoteTextureHostWrapper : public TextureHost {
public:
static RefPtr<TextureHost> Create(const RemoteTextureId aTextureId,
const RemoteTextureOwnerId aOwnerId,
const base::ProcessId aForPid,
const gfx::IntSize aSize,
const TextureFlags aFlags);
void DeallocateDeviceData() override {}
gfx::SurfaceFormat GetFormat() const override;
already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
return nullptr;
}
gfx::YUVColorSpace GetYUVColorSpace() const override;
gfx::ColorDepth GetColorDepth() const override;
gfx::ColorRange GetColorRange() const override;
gfx::IntSize GetSize() const override;
bool IsValid() override;
#ifdef MOZ_LAYERS_HAVE_LOG
const char* Name() override { return "RemoteTextureHostWrapper"; }
#endif
void CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) override;
void MaybeDestroyRenderTexture() override;
uint32_t NumSubTextures() override;
void PushResourceUpdates(wr::TransactionBuilder& aResources,
ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys,
const wr::ExternalImageId& aExtID) override;
void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys,
PushDisplayItemFlagSet aFlags) override;
bool SupportsExternalCompositing(WebRenderBackend aBackend) override;
void UnbindTextureSource() override;
void NotifyNotUsed() override;
RemoteTextureHostWrapper* AsRemoteTextureHostWrapper() override {
return this;
}
TextureHostType GetTextureHostType() override;
bool IsWrappingSurfaceTextureHost() override;
bool NeedsDeferredDeletion() const override;
AndroidHardwareBuffer* GetAndroidHardwareBuffer() const override;
bool IsReadyForRendering();
void ApplyTextureFlagsToRemoteTexture();
const RemoteTextureId mTextureId;
const RemoteTextureOwnerId mOwnerId;
const base::ProcessId mForPid;
const gfx::IntSize mSize;
protected:
RemoteTextureHostWrapper(const RemoteTextureId aTextureId,
const RemoteTextureOwnerId aOwnerId,
const base::ProcessId aForPid,
const gfx::IntSize aSize, const TextureFlags aFlags);
virtual ~RemoteTextureHostWrapper();
// Called only by RemoteTextureMap
TextureHost* GetRemoteTextureHostForDisplayList(
const MonitorAutoLock& aProofOfLock);
// Called only by RemoteTextureMap
void SetRemoteTextureHostForDisplayList(const MonitorAutoLock& aProofOfLock,
TextureHost* aTextureHost,
bool aIsSyncMode);
void ClearRemoteTextureHostForDisplayList(
const MonitorAutoLock& aProofOfLock);
// Updated by RemoteTextureMap
//
// Hold compositable ref of remote texture's TextureHost that is used for
// building WebRender display list. In sync mode, it is TextureHost of
// mTextureId. In async mode, it could be previous TextureHost that is
// compatible to the mTextureId's TextureHost.
CompositableTextureHostRef mRemoteTextureForDisplayList;
bool mIsSyncMode = true;
friend class RemoteTextureMap;
};
} // namespace mozilla::layers
#endif // MOZILLA_GFX_RemoteTextureHostWrapper_H
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