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6f9594cf0a
Implementation is borrowed from SourceSurfaceD2DTarget::mOwnsCopy that existed in the past. Differential Revision: https://phabricator.services.mozilla.com/D108906
102 lines
3.1 KiB
C++
102 lines
3.1 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_GFX_SOURCESURFACED2D1_H_
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#define MOZILLA_GFX_SOURCESURFACED2D1_H_
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#include "2D.h"
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#include "HelpersD2D.h"
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#include <vector>
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#include <d3d11.h>
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#include <d2d1_1.h>
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namespace mozilla {
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namespace gfx {
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class DrawTargetD2D1;
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class SourceSurfaceD2D1 : public SourceSurface {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2D1, override)
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SourceSurfaceD2D1(ID2D1Image* aImage, ID2D1DeviceContext* aDC,
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SurfaceFormat aFormat, const IntSize& aSize,
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DrawTargetD2D1* aDT = nullptr);
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~SourceSurfaceD2D1();
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SurfaceType GetType() const override { return SurfaceType::D2D1_1_IMAGE; }
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IntSize GetSize() const override { return mSize; }
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SurfaceFormat GetFormat() const override { return mFormat; }
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bool IsValid() const override;
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already_AddRefed<DataSourceSurface> GetDataSurface() override;
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ID2D1Image* GetImage() { return mImage; }
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void EnsureIndependent() {
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if (!mDrawTarget) return;
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DrawTargetWillChange();
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}
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private:
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friend class DrawTargetD2D1;
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bool EnsureRealizedBitmap();
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// This function is called by the draw target this texture belongs to when
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// it is about to be changed. The texture will be required to make a copy
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// of itself when this happens.
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void DrawTargetWillChange();
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// This will mark the surface as no longer depending on its drawtarget,
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// this may happen on destruction or copying.
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void MarkIndependent();
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RefPtr<ID2D1Image> mImage;
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// This may be null if we were created for a non-bitmap image and have not
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// had a reason yet to realize ourselves.
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RefPtr<ID2D1Bitmap1> mRealizedBitmap;
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RefPtr<ID2D1DeviceContext> mDC;
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// Keep this around to verify whether out image is still valid in the future.
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RefPtr<ID2D1Device> mDevice;
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const SurfaceFormat mFormat;
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const IntSize mSize;
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DrawTargetD2D1* mDrawTarget;
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std::shared_ptr<Mutex> mSnapshotLock;
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bool mOwnsCopy;
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};
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class DataSourceSurfaceD2D1 : public DataSourceSurface {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2D1, override)
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DataSourceSurfaceD2D1(ID2D1Bitmap1* aMappableBitmap, SurfaceFormat aFormat);
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~DataSourceSurfaceD2D1();
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SurfaceType GetType() const override { return SurfaceType::DATA; }
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IntSize GetSize() const override;
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SurfaceFormat GetFormat() const override { return mFormat; }
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bool IsValid() const override { return !!mBitmap; }
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uint8_t* GetData() override;
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int32_t Stride() override;
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bool Map(MapType, MappedSurface* aMappedSurface) override;
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void Unmap() override;
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private:
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friend class SourceSurfaceD2DTarget;
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void EnsureMapped();
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mutable RefPtr<ID2D1Bitmap1> mBitmap;
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SurfaceFormat mFormat;
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D2D1_MAPPED_RECT mMap;
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bool mIsMapped;
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bool mImplicitMapped;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SOURCESURFACED2D2TARGET_H_ */
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