/* -*- 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/RemoteTextureMap.h"
#include "mozilla/layers/TextureHost.h"
#include "mozilla/Monitor.h"
namespace mozilla::layers {
// This class wraps TextureHost of remote texture.
// mRemoteTexture holds TextureHost of mTextureId.
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(
gfx::DataSourceSurface* aSurface) 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;
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();
void EnableWaitForRemoteTextureOwner(
bool aEnable) {
mWaitForRemoteTextureOwner =
true;
}
RemoteTextureInfo GetRemoteTextureInfo()
const {
return RemoteTextureInfo(mTextureId, mOwnerId, mForPid,
mWaitForRemoteTextureOwner);
}
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();
void MaybeCreateRenderTexture();
// Called only by RemoteTextureMap
TextureHost* GetRemoteTextureHost(
const MonitorAutoLock& aProofOfLock);
// Called only by RemoteTextureMap
void SetRemoteTextureHost(
const MonitorAutoLock& aProofOfLock,
TextureHost* aTextureHost);
void ClearRemoteTextureHost(
const MonitorAutoLock& aProofOfLock);
// Updated by RemoteTextureMap
//
// Hold compositable ref of remote texture's TextureHost that is used for
// building WebRender display list. It is TextureHost of mTextureId.
CompositableTextureHostRef mRemoteTexture;
bool mRenderTextureCreated =
false;
bool mWaitForRemoteTextureOwner =
false;
friend class RemoteTextureMap;
};
}
// namespace mozilla::layers
#endif // MOZILLA_GFX_RemoteTextureHostWrapper_H
