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1715424e2c
--HG-- rename : gfx/gl/GLContextSkia.cpp => gfx/gl/SkiaGLGlue.cpp extra : rebase_source : 8e85dd34a67c2e193480e9f1f5baf68a898790fe
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 GFX_COPYABLECANVASLAYER_H
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#define GFX_COPYABLECANVASLAYER_H
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#include <stdint.h> // for uint32_t
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#include "GLContextTypes.h" // for GLContext
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#include "Layers.h" // for CanvasLayer, etc
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#include "gfxASurface.h" // for gfxASurface
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#include "gfxContext.h" // for gfxContext, etc
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#include "gfxTypes.h"
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#include "gfxPlatform.h" // for gfxImageFormat
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#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
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#include "mozilla/Preferences.h" // for Preferences
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/gfx/2D.h" // for DrawTarget
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#include "mozilla/mozalloc.h" // for operator delete, etc
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#include "nsAutoPtr.h" // for nsRefPtr
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
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namespace mozilla {
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namespace gfx {
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class SurfaceStream;
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class SharedSurface;
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class SurfaceFactory;
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}
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namespace layers {
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class CanvasClientWebGL;
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/**
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* A shared CanvasLayer implementation that supports copying
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* its contents into a gfxASurface using UpdateSurface.
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*/
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class CopyableCanvasLayer : public CanvasLayer
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{
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public:
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CopyableCanvasLayer(LayerManager* aLayerManager, void *aImplData);
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virtual ~CopyableCanvasLayer();
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virtual void Initialize(const Data& aData);
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virtual bool IsDataValid(const Data& aData);
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protected:
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void PaintWithOpacity(gfx::DrawTarget* aTarget,
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float aOpacity,
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gfx::SourceSurface* aMaskSurface,
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gfx::CompositionOp aOperator = gfx::CompositionOp::OP_OVER);
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void UpdateTarget(gfx::DrawTarget* aDestTarget = nullptr,
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gfx::SourceSurface* aMaskSurface = nullptr);
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RefPtr<gfx::SourceSurface> mSurface;
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nsRefPtr<gfxASurface> mDeprecatedSurface;
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nsRefPtr<mozilla::gl::GLContext> mGLContext;
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mozilla::RefPtr<mozilla::gfx::DrawTarget> mDrawTarget;
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RefPtr<gfx::SurfaceStream> mStream;
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uint32_t mCanvasFramebuffer;
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bool mIsGLAlphaPremult;
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bool mNeedsYFlip;
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bool mForceReadback;
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RefPtr<gfx::DataSourceSurface> mCachedTempSurface;
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nsRefPtr<gfxImageSurface> mDeprecatedCachedTempSurface;
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gfx::IntSize mCachedSize;
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gfx::SurfaceFormat mCachedFormat;
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gfxImageFormat mDeprecatedCachedFormat;
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gfx::DataSourceSurface* GetTempSurface(const gfx::IntSize& aSize,
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const gfx::SurfaceFormat aFormat);
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void DiscardTempSurface();
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/* Deprecated thebes methods */
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protected:
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void DeprecatedPaintWithOpacity(gfxContext* aContext,
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float aOpacity,
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Layer* aMaskLayer,
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gfxContext::GraphicsOperator aOperator = gfxContext::OPERATOR_OVER);
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void DeprecatedUpdateSurface(gfxASurface* aDestSurface = nullptr,
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Layer* aMaskLayer = nullptr);
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gfxImageSurface* DeprecatedGetTempSurface(const gfx::IntSize& aSize,
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const gfxImageFormat aFormat);
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};
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}
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}
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#endif
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