зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.7 KiB
C++
142 строки
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_IMAGE_BLOBSURFACEPROVIDER_H_
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#define MOZILLA_IMAGE_BLOBSURFACEPROVIDER_H_
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#include "mozilla/Maybe.h"
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#include "mozilla/SVGImageContext.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/DrawEventRecorder.h"
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#include "mozilla/layers/WebRenderLayerManager.h"
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#include "ImageRegion.h"
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#include "ISurfaceProvider.h"
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#include <vector>
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namespace mozilla {
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namespace image {
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class BlobImageKeyData final {
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public:
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BlobImageKeyData(
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layers::WebRenderLayerManager* aManager, const wr::BlobImageKey& aBlobKey,
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std::vector<RefPtr<gfx::ScaledFont>>&& aScaledFonts,
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gfx::DrawEventRecorderPrivate::ExternalSurfacesHolder&& aExternalSurfaces)
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: mManager(aManager),
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mBlobKey(aBlobKey),
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mScaledFonts(std::move(aScaledFonts)),
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mExternalSurfaces(std::move(aExternalSurfaces)),
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mDirty(false) {}
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BlobImageKeyData(BlobImageKeyData&& aOther) noexcept
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: mManager(std::move(aOther.mManager)),
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mBlobKey(aOther.mBlobKey),
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mScaledFonts(std::move(aOther.mScaledFonts)),
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mExternalSurfaces(std::move(aOther.mExternalSurfaces)),
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mDirty(aOther.mDirty) {}
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BlobImageKeyData& operator=(BlobImageKeyData&& aOther) noexcept {
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mManager = std::move(aOther.mManager);
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mBlobKey = aOther.mBlobKey;
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mScaledFonts = std::move(aOther.mScaledFonts);
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mExternalSurfaces = std::move(aOther.mExternalSurfaces);
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mDirty = aOther.mDirty;
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return *this;
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}
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BlobImageKeyData(const BlobImageKeyData&) = delete;
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BlobImageKeyData& operator=(const BlobImageKeyData&) = delete;
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RefPtr<layers::WebRenderLayerManager> mManager;
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wr::BlobImageKey mBlobKey;
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std::vector<RefPtr<gfx::ScaledFont>> mScaledFonts;
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gfx::DrawEventRecorderPrivate::ExternalSurfacesHolder mExternalSurfaces;
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bool mDirty;
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};
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} // namespace image
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} // namespace mozilla
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MOZ_DECLARE_RELOCATE_USING_MOVE_CONSTRUCTOR(mozilla::image::BlobImageKeyData);
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namespace mozilla {
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namespace wr {
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class IpcResourceUpdateQueue;
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} // namespace wr
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namespace image {
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class SVGDocumentWrapper;
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/**
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* An ISurfaceProvider that manages blob recordings of SVG images. Unlike the
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* rasterized ISurfaceProviders, it only provides a recording which may be
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* replayed in the compositor process by WebRender. It may be invalidated
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* directly in order to reuse the resource ids and underlying buffers when the
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* SVG image has changed (e.g. it is animated).
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*/
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class BlobSurfaceProvider final : public ISurfaceProvider {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(BlobSurfaceProvider, override)
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BlobSurfaceProvider(ImageKey aImageKey, const SurfaceKey& aSurfaceKey,
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SVGDocumentWrapper* aSVGDocumentWrapper,
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uint32_t aImageFlags);
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bool IsFinished() const override { return true; }
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size_t LogicalSizeInBytes() const override {
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const gfx::IntSize& size = GetSurfaceKey().Size();
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return size.width * size.height * sizeof(uint32_t);
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}
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nsresult UpdateKey(layers::RenderRootStateManager* aManager,
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wr::IpcResourceUpdateQueue& aResources,
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wr::ImageKey& aKey) override;
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void InvalidateRecording() override;
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void AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
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const AddSizeOfCb& aCallback) override {
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AddSizeOfCbData metadata;
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metadata.mFinished = true;
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metadata.mHeapBytes += mKeys.ShallowSizeOfExcludingThis(aMallocSizeOf);
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gfx::SourceSurface::SizeOfInfo info;
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info.AddType(gfx::SurfaceType::BLOB_IMAGE);
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metadata.Accumulate(info);
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aCallback(metadata);
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}
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protected:
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DrawableFrameRef DrawableRef(size_t aFrame) override {
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MOZ_ASSERT_UNREACHABLE("BlobSurfaceProvider::DrawableRef not supported!");
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return DrawableFrameRef();
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}
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bool IsLocked() const override { return true; }
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void SetLocked(bool) override {}
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private:
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~BlobSurfaceProvider() override;
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Maybe<BlobImageKeyData> RecordDrawing(layers::WebRenderLayerManager* aManager,
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wr::IpcResourceUpdateQueue& aResources,
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Maybe<wr::BlobImageKey> aBlobKey);
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static void DestroyKeys(const AutoTArray<BlobImageKeyData, 1>& aKeys);
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AutoTArray<BlobImageKeyData, 1> mKeys;
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RefPtr<image::SVGDocumentWrapper> mSVGDocumentWrapper;
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uint32_t mImageFlags;
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};
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} // namespace image
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} // namespace mozilla
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#endif /* MOZILLA_IMAGE_BLOBSURFACEPROVIDER_H_ */
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