mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
71b27f8c88
CLOSED TREE Backed out changeset ef3d90780478 (bug 972703) Backed out changeset 34c95e937671 (bug 889959) Backed out changeset 5e25912d6696 (bug 889959)
264 lines
9.6 KiB
C++
264 lines
9.6 KiB
C++
/* -*- 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_LAYERS_COMPOSITABLEFORWARDER
|
|
#define MOZILLA_LAYERS_COMPOSITABLEFORWARDER
|
|
|
|
#include <stdint.h> // for int32_t, uint64_t
|
|
#include "gfxTypes.h"
|
|
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
|
|
#include "mozilla/layers/CompositorTypes.h"
|
|
#include "mozilla/layers/ISurfaceAllocator.h" // for ISurfaceAllocator
|
|
#include "mozilla/layers/LayersTypes.h" // for LayersBackend
|
|
#include "mozilla/layers/TextureClient.h" // for TextureClient
|
|
#include "nsRegion.h" // for nsIntRegion
|
|
|
|
struct nsIntPoint;
|
|
struct nsIntRect;
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class CompositableClient;
|
|
class TextureFactoryIdentifier;
|
|
class SurfaceDescriptor;
|
|
class SurfaceDescriptorTiles;
|
|
class ThebesBufferData;
|
|
class DeprecatedTextureClient;
|
|
class BasicTiledLayerBuffer;
|
|
class PTextureChild;
|
|
|
|
/**
|
|
* A transaction is a set of changes that happenned on the content side, that
|
|
* should be sent to the compositor side.
|
|
* CompositableForwarder is an interface to manage a transaction of
|
|
* compositable objetcs.
|
|
*
|
|
* ShadowLayerForwarder is an example of a CompositableForwarder (that can
|
|
* additionally forward modifications of the Layer tree).
|
|
* ImageBridgeChild is another CompositableForwarder.
|
|
*/
|
|
class CompositableForwarder : public ISurfaceAllocator
|
|
{
|
|
friend class AutoOpenSurface;
|
|
friend class DeprecatedTextureClientShmem;
|
|
public:
|
|
|
|
CompositableForwarder()
|
|
: mSerial(++sSerialCounter)
|
|
, mMultiProcess(false)
|
|
{}
|
|
|
|
/**
|
|
* Setup the IPDL actor for aCompositable to be part of layers
|
|
* transactions.
|
|
*/
|
|
virtual void Connect(CompositableClient* aCompositable) = 0;
|
|
|
|
/**
|
|
* When using the Thebes layer pattern of swapping or updating
|
|
* TextureClient/Host pairs without sending SurfaceDescriptors,
|
|
* use these messages to assign the single or double buffer
|
|
* (TextureClient/Host pairs) to the CompositableHost.
|
|
* We expect the textures to already have been created.
|
|
* With these messages, the ownership of the SurfaceDescriptor(s)
|
|
* moves to the compositor.
|
|
*/
|
|
virtual void CreatedSingleBuffer(CompositableClient* aCompositable,
|
|
const SurfaceDescriptor& aDescriptor,
|
|
const TextureInfo& aTextureInfo,
|
|
const SurfaceDescriptor* aDescriptorOnWhite = nullptr) = 0;
|
|
virtual void CreatedDoubleBuffer(CompositableClient* aCompositable,
|
|
const SurfaceDescriptor& aFrontDescriptor,
|
|
const SurfaceDescriptor& aBackDescriptor,
|
|
const TextureInfo& aTextureInfo,
|
|
const SurfaceDescriptor* aFrontDescriptorOnWhite = nullptr,
|
|
const SurfaceDescriptor* aBackDescriptorOnWhite = nullptr) = 0;
|
|
|
|
/**
|
|
* Notify the CompositableHost that it should create host-side-only
|
|
* texture(s), that we will update incrementally using UpdateTextureIncremental.
|
|
*/
|
|
virtual void CreatedIncrementalBuffer(CompositableClient* aCompositable,
|
|
const TextureInfo& aTextureInfo,
|
|
const nsIntRect& aBufferRect) = 0;
|
|
|
|
/**
|
|
* Tell the compositor that a Compositable is killing its buffer(s),
|
|
* that is TextureClient/Hosts.
|
|
*/
|
|
virtual void DestroyThebesBuffer(CompositableClient* aCompositable) = 0;
|
|
|
|
virtual void PaintedTiledLayerBuffer(CompositableClient* aCompositable,
|
|
const SurfaceDescriptorTiles& aTiledDescriptor) = 0;
|
|
|
|
/**
|
|
* Create a TextureChild/Parent pair as as well as the TextureHost on the parent side.
|
|
*/
|
|
virtual PTextureChild* CreateTexture(const SurfaceDescriptor& aSharedData, TextureFlags aFlags) = 0;
|
|
|
|
/**
|
|
* Communicate to the compositor that the texture identified by aCompositable
|
|
* and aTextureId has been updated to aImage.
|
|
*/
|
|
virtual void UpdateTexture(CompositableClient* aCompositable,
|
|
TextureIdentifier aTextureId,
|
|
SurfaceDescriptor* aDescriptor) = 0;
|
|
|
|
/**
|
|
* Same as UpdateTexture, but performs an asynchronous layer transaction (if possible)
|
|
*/
|
|
virtual void UpdateTextureNoSwap(CompositableClient* aCompositable,
|
|
TextureIdentifier aTextureId,
|
|
SurfaceDescriptor* aDescriptor) = 0;
|
|
|
|
/**
|
|
* Communicate to the compositor that aRegion in the texture identified by
|
|
* aCompositable and aIdentifier has been updated to aThebesBuffer.
|
|
*/
|
|
virtual void UpdateTextureRegion(CompositableClient* aCompositable,
|
|
const ThebesBufferData& aThebesBufferData,
|
|
const nsIntRegion& aUpdatedRegion) = 0;
|
|
|
|
/**
|
|
* Notify the compositor to update aTextureId using aDescriptor, and take
|
|
* ownership of aDescriptor.
|
|
*
|
|
* aDescriptor only contains the pixels for aUpdatedRegion, and is relative
|
|
* to aUpdatedRegion.TopLeft().
|
|
*
|
|
* aBufferRect/aBufferRotation define the new valid region contained
|
|
* within the texture after the update has been applied.
|
|
*/
|
|
virtual void UpdateTextureIncremental(CompositableClient* aCompositable,
|
|
TextureIdentifier aTextureId,
|
|
SurfaceDescriptor& aDescriptor,
|
|
const nsIntRegion& aUpdatedRegion,
|
|
const nsIntRect& aBufferRect,
|
|
const nsIntPoint& aBufferRotation) = 0;
|
|
|
|
/**
|
|
* Communicate the picture rect of a YUV image in aLayer to the compositor
|
|
*/
|
|
virtual void UpdatePictureRect(CompositableClient* aCompositable,
|
|
const nsIntRect& aRect) = 0;
|
|
|
|
/**
|
|
* The specified layer is destroying its buffers.
|
|
* |aBackBufferToDestroy| is deallocated when this transaction is
|
|
* posted to the parent. During the parent-side transaction, the
|
|
* shadow is told to destroy its front buffer. This can happen when
|
|
* a new front/back buffer pair have been created because of a layer
|
|
* resize, e.g.
|
|
*/
|
|
virtual void DestroyedThebesBuffer(const SurfaceDescriptor& aBackBufferToDestroy) = 0;
|
|
|
|
/**
|
|
* Tell the CompositableHost on the compositor side to remove the texture.
|
|
* This function does not delete the TextureHost corresponding to the
|
|
* TextureClient passed in parameter.
|
|
*/
|
|
virtual void RemoveTextureFromCompositable(CompositableClient* aCompositable,
|
|
TextureClient* aTexture) = 0;
|
|
|
|
/**
|
|
* Tell the compositor side to delete the TextureHost corresponding to the
|
|
* TextureClient passed in parameter.
|
|
*/
|
|
virtual void RemoveTexture(TextureClient* aTexture) = 0;
|
|
|
|
/**
|
|
* Holds a reference to a TextureClient until after the next
|
|
* compositor transaction, and then drops it.
|
|
*/
|
|
virtual void HoldUntilTransaction(TextureClient* aClient)
|
|
{
|
|
if (aClient) {
|
|
mTexturesToRemove.AppendElement(aClient);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Forcibly remove texture data from TextureClient
|
|
* This function needs to be called after a tansaction with Compositor.
|
|
*/
|
|
virtual void RemoveTexturesIfNecessary()
|
|
{
|
|
mTexturesToRemove.Clear();
|
|
}
|
|
|
|
/**
|
|
* Tell the CompositableHost on the compositor side what texture to use for
|
|
* the next composition.
|
|
*/
|
|
virtual void UseTexture(CompositableClient* aCompositable,
|
|
TextureClient* aClient) = 0;
|
|
virtual void UseComponentAlphaTextures(CompositableClient* aCompositable,
|
|
TextureClient* aClientOnBlack,
|
|
TextureClient* aClientOnWhite) = 0;
|
|
|
|
/**
|
|
* Tell the compositor side that the shared data has been modified so that
|
|
* it can react accordingly (upload textures, etc.).
|
|
*/
|
|
virtual void UpdatedTexture(CompositableClient* aCompositable,
|
|
TextureClient* aTexture,
|
|
nsIntRegion* aRegion) = 0;
|
|
|
|
void IdentifyTextureHost(const TextureFactoryIdentifier& aIdentifier);
|
|
|
|
/**
|
|
* Returns the maximum texture size supported by the compositor.
|
|
*/
|
|
virtual int32_t GetMaxTextureSize() const { return mTextureFactoryIdentifier.mMaxTextureSize; }
|
|
|
|
bool IsOnCompositorSide() const MOZ_OVERRIDE { return false; }
|
|
|
|
/**
|
|
* Returns the type of backend that is used off the main thread.
|
|
* We only don't allow changing the backend type at runtime so this value can
|
|
* be queried once and will not change until Gecko is restarted.
|
|
*/
|
|
LayersBackend GetCompositorBackendType() const
|
|
{
|
|
return mTextureFactoryIdentifier.mParentBackend;
|
|
}
|
|
|
|
bool SupportsTextureBlitting() const
|
|
{
|
|
return mTextureFactoryIdentifier.mSupportsTextureBlitting;
|
|
}
|
|
|
|
bool SupportsPartialUploads() const
|
|
{
|
|
return mTextureFactoryIdentifier.mSupportsPartialUploads;
|
|
}
|
|
|
|
bool ForwardsToDifferentProcess() const
|
|
{
|
|
return mMultiProcess;
|
|
}
|
|
|
|
const TextureFactoryIdentifier& GetTextureFactoryIdentifier() const
|
|
{
|
|
return mTextureFactoryIdentifier;
|
|
}
|
|
|
|
int32_t GetSerial() { return mSerial; }
|
|
|
|
protected:
|
|
TextureFactoryIdentifier mTextureFactoryIdentifier;
|
|
nsTArray<RefPtr<TextureClient> > mTexturesToRemove;
|
|
const int32_t mSerial;
|
|
static mozilla::Atomic<int32_t> sSerialCounter;
|
|
bool mMultiProcess;
|
|
};
|
|
|
|
} // namespace
|
|
} // namespace
|
|
|
|
#endif
|