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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_IMAGE_BLOBSURFACEPROVIDER_H_
#define MOZILLA_IMAGE_BLOBSURFACEPROVIDER_H_
#include "mozilla/Maybe.h"
#include "mozilla/SVGImageContext.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/DrawEventRecorder.h"
#include "mozilla/layers/WebRenderLayerManager.h"
#include "ImageRegion.h"
#include "ISurfaceProvider.h"
#include <vector>
namespace mozilla {
namespace image {
class BlobImageKeyData final {
public:
BlobImageKeyData(
layers::WebRenderLayerManager* aManager, const wr::BlobImageKey& aBlobKey,
std::vector<RefPtr<gfx::ScaledFont>>&& aScaledFonts,
gfx::DrawEventRecorderPrivate::ExternalSurfacesHolder&& aExternalSurfaces)
: mManager(aManager),
mBlobKey(aBlobKey),
mScaledFonts(std::move(aScaledFonts)),
mExternalSurfaces(std::move(aExternalSurfaces)),
mDirty(false) {}
BlobImageKeyData(BlobImageKeyData&& aOther) noexcept
: mManager(std::move(aOther.mManager)),
mBlobKey(aOther.mBlobKey),
mScaledFonts(std::move(aOther.mScaledFonts)),
mExternalSurfaces(std::move(aOther.mExternalSurfaces)),
mDirty(aOther.mDirty) {}
BlobImageKeyData& operator=(BlobImageKeyData&& aOther) noexcept {
mManager = std::move(aOther.mManager);
mBlobKey = aOther.mBlobKey;
mScaledFonts = std::move(aOther.mScaledFonts);
mExternalSurfaces = std::move(aOther.mExternalSurfaces);
mDirty = aOther.mDirty;
return *this;
}
BlobImageKeyData(const BlobImageKeyData&) = delete;
BlobImageKeyData& operator=(const BlobImageKeyData&) = delete;
RefPtr<layers::WebRenderLayerManager> mManager;
wr::BlobImageKey mBlobKey;
std::vector<RefPtr<gfx::ScaledFont>> mScaledFonts;
gfx::DrawEventRecorderPrivate::ExternalSurfacesHolder mExternalSurfaces;
bool mDirty;
};
} // namespace image
} // namespace mozilla
MOZ_DECLARE_RELOCATE_USING_MOVE_CONSTRUCTOR(mozilla::image::BlobImageKeyData);
namespace mozilla {
namespace wr {
class IpcResourceUpdateQueue;
} // namespace wr
namespace image {
class SVGDocumentWrapper;
/**
* An ISurfaceProvider that manages blob recordings of SVG images. Unlike the
* rasterized ISurfaceProviders, it only provides a recording which may be
* replayed in the compositor process by WebRender. It may be invalidated
* directly in order to reuse the resource ids and underlying buffers when the
* SVG image has changed (e.g. it is animated).
*/
class BlobSurfaceProvider final : public ISurfaceProvider {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(BlobSurfaceProvider, override)
BlobSurfaceProvider(ImageKey aImageKey, const SurfaceKey& aSurfaceKey,
SVGDocumentWrapper* aSVGDocumentWrapper,
uint32_t aImageFlags);
bool IsFinished() const override { return true; }
size_t LogicalSizeInBytes() const override {
const gfx::IntSize& size = GetSurfaceKey().Size();
return size.width * size.height * sizeof(uint32_t);
}
nsresult UpdateKey(layers::RenderRootStateManager* aManager,
wr::IpcResourceUpdateQueue& aResources,
wr::ImageKey& aKey) override;
void InvalidateRecording() override;
void AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
const AddSizeOfCb& aCallback) override {
AddSizeOfCbData metadata;
metadata.mFinished = true;
metadata.mHeapBytes += mKeys.ShallowSizeOfExcludingThis(aMallocSizeOf);
gfx::SourceSurface::SizeOfInfo info;
info.AddType(gfx::SurfaceType::BLOB_IMAGE);
metadata.Accumulate(info);
aCallback(metadata);
}
protected:
DrawableFrameRef DrawableRef(size_t aFrame) override {
MOZ_ASSERT_UNREACHABLE("BlobSurfaceProvider::DrawableRef not supported!");
return DrawableFrameRef();
}
bool IsLocked() const override { return true; }
void SetLocked(bool) override {}
private:
~BlobSurfaceProvider() override;
Maybe<BlobImageKeyData> RecordDrawing(layers::WebRenderLayerManager* aManager,
wr::IpcResourceUpdateQueue& aResources,
Maybe<wr::BlobImageKey> aBlobKey);
static void DestroyKeys(const AutoTArray<BlobImageKeyData, 1>& aKeys);
AutoTArray<BlobImageKeyData, 1> mKeys;
RefPtr<image::SVGDocumentWrapper> mSVGDocumentWrapper;
uint32_t mImageFlags;
};
} // namespace image
} // namespace mozilla
#endif /* MOZILLA_IMAGE_BLOBSURFACEPROVIDER_H_ */
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