зеркало из https://github.com/mozilla/gecko-dev.git
147 строки
4.8 KiB
C++
147 строки
4.8 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_GFX_IMAGECLIENT_H
|
|
#define MOZILLA_GFX_IMAGECLIENT_H
|
|
|
|
#include <stdint.h> // for uint32_t, uint64_t
|
|
#include <sys/types.h> // for int32_t
|
|
#include "mozilla/Attributes.h" // for override
|
|
#include "mozilla/RefPtr.h" // for RefPtr, already_AddRefed
|
|
#include "mozilla/gfx/Types.h" // for SurfaceFormat
|
|
#include "mozilla/layers/CompositableClient.h" // for CompositableClient
|
|
#include "mozilla/layers/CompositorTypes.h" // for CompositableType, etc
|
|
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
|
|
#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
|
|
#include "mozilla/mozalloc.h" // for operator delete
|
|
#include "nsCOMPtr.h" // for already_AddRefed
|
|
#include "nsRect.h" // for mozilla::gfx::IntRect
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class ClientLayer;
|
|
class CompositableForwarder;
|
|
class Image;
|
|
class ImageContainer;
|
|
class ShadowableLayer;
|
|
class ImageClientSingle;
|
|
|
|
/**
|
|
* Image clients are used by basic image layers on the content thread, they
|
|
* always match with an ImageHost on the compositor thread. See
|
|
* CompositableClient.h for information on connecting clients to hosts.
|
|
*/
|
|
class ImageClient : public CompositableClient {
|
|
public:
|
|
/**
|
|
* Creates, configures, and returns a new image client. If necessary, a
|
|
* message will be sent to the compositor to create a corresponding image
|
|
* host.
|
|
*/
|
|
static already_AddRefed<ImageClient> CreateImageClient(
|
|
CompositableType aImageHostType, CompositableForwarder* aFwd,
|
|
TextureFlags aFlags);
|
|
|
|
virtual ~ImageClient() = default;
|
|
|
|
/**
|
|
* Update this ImageClient from aContainer in aLayer
|
|
* returns false if this is the wrong kind of ImageClient for aContainer.
|
|
* Note that returning true does not necessarily imply success
|
|
*/
|
|
virtual bool UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags,
|
|
const Maybe<wr::RenderRoot>& aRenderRoot) = 0;
|
|
|
|
void SetLayer(ClientLayer* aLayer) { mLayer = aLayer; }
|
|
ClientLayer* GetLayer() const { return mLayer; }
|
|
|
|
/**
|
|
* asynchronously remove all the textures used by the image client.
|
|
*
|
|
*/
|
|
virtual void FlushAllImages() {}
|
|
|
|
virtual void RemoveTexture(TextureClient* aTexture,
|
|
const Maybe<wr::RenderRoot>& aRenderRoot) override;
|
|
|
|
virtual ImageClientSingle* AsImageClientSingle() { return nullptr; }
|
|
|
|
static already_AddRefed<TextureClient> CreateTextureClientForImage(
|
|
Image* aImage, KnowsCompositor* aForwarder);
|
|
|
|
uint32_t GetLastUpdateGenerationCounter() {
|
|
return mLastUpdateGenerationCounter;
|
|
}
|
|
|
|
virtual RefPtr<TextureClient> GetForwardedTexture() { return nullptr; }
|
|
|
|
protected:
|
|
ImageClient(CompositableForwarder* aFwd, TextureFlags aFlags,
|
|
CompositableType aType);
|
|
|
|
ClientLayer* mLayer;
|
|
CompositableType mType;
|
|
uint32_t mLastUpdateGenerationCounter;
|
|
};
|
|
|
|
/**
|
|
* An image client which uses a single texture client.
|
|
*/
|
|
class ImageClientSingle : public ImageClient {
|
|
public:
|
|
ImageClientSingle(CompositableForwarder* aFwd, TextureFlags aFlags,
|
|
CompositableType aType);
|
|
|
|
bool UpdateImage(ImageContainer* aContainer, uint32_t aContentFlag,
|
|
const Maybe<wr::RenderRoot>& aRenderRoot) override;
|
|
|
|
void OnDetach() override;
|
|
|
|
bool AddTextureClient(TextureClient* aTexture) override;
|
|
|
|
TextureInfo GetTextureInfo() const override;
|
|
|
|
void FlushAllImages() override;
|
|
|
|
ImageClientSingle* AsImageClientSingle() override { return this; }
|
|
|
|
RefPtr<TextureClient> GetForwardedTexture() override;
|
|
|
|
bool IsEmpty() { return mBuffers.IsEmpty(); }
|
|
|
|
protected:
|
|
struct Buffer {
|
|
RefPtr<TextureClient> mTextureClient;
|
|
int32_t mImageSerial;
|
|
};
|
|
nsTArray<Buffer> mBuffers;
|
|
};
|
|
|
|
/**
|
|
* Image class to be used for async image uploads using the image bridge
|
|
* protocol.
|
|
* We store the ImageBridge id in the TextureClientIdentifier.
|
|
*/
|
|
class ImageClientBridge : public ImageClient {
|
|
public:
|
|
ImageClientBridge(CompositableForwarder* aFwd, TextureFlags aFlags);
|
|
|
|
bool UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags,
|
|
const Maybe<wr::RenderRoot>& aRenderRoot) override;
|
|
bool Connect(ImageContainer* aImageContainer) override { return false; }
|
|
|
|
TextureInfo GetTextureInfo() const override { return TextureInfo(mType); }
|
|
|
|
protected:
|
|
CompositableHandle mAsyncContainerHandle;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif
|