зеркало из https://github.com/mozilla/gecko-dev.git
906 строки
25 KiB
C++
906 строки
25 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 MOZILLA_GFX_TEXTUREOGL_H
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#define MOZILLA_GFX_TEXTUREOGL_H
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#include <stddef.h> // for size_t
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#include <stdint.h> // for uint64_t
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#include "CompositableHost.h"
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#include "GLContextTypes.h" // for GLContext
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#include "GLDefs.h" // for GLenum, LOCAL_GL_CLAMP_TO_EDGE, etc
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#include "GLTextureImage.h" // for TextureImage
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#include "gfx3DMatrix.h" // for gfx3DMatrix
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#include "gfxTypes.h"
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#include "mozilla/GfxMessageUtils.h" // for gfxContentType
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#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
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#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/gfx/Point.h" // for IntSize, IntPoint
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#include "mozilla/gfx/Types.h" // for SurfaceFormat, etc
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#include "mozilla/layers/CompositorTypes.h" // for TextureFlags
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
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#include "mozilla/layers/TextureHost.h" // for DeprecatedTextureHost, etc
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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 "nsCOMPtr.h" // for already_AddRefed
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#include "nsDebug.h" // for NS_WARNING
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#include "nsISupportsImpl.h" // for TextureImage::Release, etc
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
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#include "OGLShaderProgram.h" // for ShaderProgramType, etc
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#ifdef MOZ_WIDGET_GONK
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#include <ui/GraphicBuffer.h>
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#endif
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class gfxImageSurface;
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class gfxReusableSurfaceWrapper;
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class nsIntRegion;
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struct nsIntPoint;
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struct nsIntRect;
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struct nsIntSize;
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namespace mozilla {
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namespace gfx {
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class DataSourceSurface;
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class SurfaceStream;
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}
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namespace layers {
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class Compositor;
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class CompositorOGL;
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class TextureImageDeprecatedTextureHostOGL;
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/**
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* CompositableBackendSpecificData implementation for the Gonk OpenGL backend.
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* Share a same texture between TextureHosts in the same CompositableHost.
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* By shareing the texture among the TextureHosts, number of texture allocations
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* can be reduced than texture allocation in every TextureHosts.
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* From Bug 912134, use only one texture among all TextureHosts degrade
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* the rendering performance.
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* CompositableDataGonkOGL chooses in a middile of them.
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*/
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class CompositableDataGonkOGL : public CompositableBackendSpecificData
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{
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public:
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CompositableDataGonkOGL();
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virtual ~CompositableDataGonkOGL();
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual void ClearData() MOZ_OVERRIDE;
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GLuint GetTexture();
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void DeleteTextureIfPresent();
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gl::GLContext* gl() const;
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protected:
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RefPtr<CompositorOGL> mCompositor;
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GLuint mTexture;
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};
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/*
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* TextureHost implementations for the OpenGL backend.
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*
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* Note that it is important to be careful about the ownership model with
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* the OpenGL backend, due to some widget limitation on Linux: before
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* the nsBaseWidget associated with our OpenGL context has been completely
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* deleted, every resource belonging to the OpenGL context MUST have been
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* released. At the moment the teardown sequence happens in the middle of
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* the nsBaseWidget's destructor, meaning that at a given moment we must be
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* able to easily find and release all the GL resources.
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* The point is: be careful about the ownership model and limit the number
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* of objects sharing references to GL resources to make the tear down
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* sequence as simple as possible.
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*/
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inline ShaderProgramType
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GetProgramTypeForSurfaceFormat(gfx::SurfaceFormat aFormat)
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{
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switch (aFormat) {
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case gfx::FORMAT_B8G8R8A8:
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return BGRALayerProgramType;;
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case gfx::FORMAT_B8G8R8X8:
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return BGRXLayerProgramType;;
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case gfx::FORMAT_R8G8B8X8:
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return RGBXLayerProgramType;;
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case gfx::FORMAT_R8G8B8A8:
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return RGBALayerProgramType;;
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default:
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MOZ_CRASH("unhandled program type");
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}
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}
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inline ShaderProgramType
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GetProgramTypeForTexture(const DeprecatedTextureHost *aDeprecatedTextureHost)
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{
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return GetProgramTypeForSurfaceFormat(aDeprecatedTextureHost->GetFormat());
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}
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/**
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* TextureSourceOGL provides the necessary API for CompositorOGL to composite
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* a TextureSource.
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*/
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class TextureSourceOGL
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{
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public:
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virtual bool IsValid() const = 0;
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virtual void BindTexture(GLenum aTextureUnit) = 0;
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virtual gfx::IntSize GetSize() const = 0;
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virtual GLenum GetTextureTarget() const { return LOCAL_GL_TEXTURE_2D; }
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virtual gfx::SurfaceFormat GetFormat() const = 0;
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virtual GLenum GetWrapMode() const = 0;
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virtual gfx3DMatrix GetTextureTransform() { return gfx3DMatrix(); }
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virtual TextureImageDeprecatedTextureHostOGL* AsTextureImageDeprecatedTextureHost() { return nullptr; }
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};
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/**
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* A TextureSource backed by a TextureImage.
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*
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* Depending on the underlying TextureImage, may support texture tiling, so
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* make sure to check AsTileIterator() and use the texture accordingly.
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*
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* This TextureSource can be used without a TextureHost and manage it's own
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* GL texture(s).
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*/
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class TextureImageTextureSourceOGL : public DataTextureSource
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, public TextureSourceOGL
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, public TileIterator
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{
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public:
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TextureImageTextureSourceOGL(gl::GLContext* aGL,
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TextureFlags aFlags = TEXTURE_FLAGS_DEFAULT)
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: mGL(aGL)
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, mFlags(aFlags)
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, mIterating(false)
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{}
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// DataTextureSource
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virtual bool Update(gfx::DataSourceSurface* aSurface,
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nsIntRegion* aDestRegion = nullptr,
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gfx::IntPoint* aSrcOffset = nullptr) MOZ_OVERRIDE;
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// TextureSource
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virtual void DeallocateDeviceData() MOZ_OVERRIDE
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{
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mTexImage = nullptr;
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SetUpdateSerial(0);
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}
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virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE { return this; }
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virtual void BindTexture(GLenum aTextureUnit) MOZ_OVERRIDE;
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virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
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virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
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virtual bool IsValid() const MOZ_OVERRIDE { return !!mTexImage; }
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual GLenum GetWrapMode() const MOZ_OVERRIDE
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{
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return mTexImage->GetWrapMode();
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}
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// TileIterator
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virtual TileIterator* AsTileIterator() MOZ_OVERRIDE { return this; }
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virtual void BeginTileIteration() MOZ_OVERRIDE
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{
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mTexImage->BeginTileIteration();
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mIterating = true;
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}
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virtual void EndTileIteration() MOZ_OVERRIDE
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{
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mIterating = false;
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}
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virtual nsIntRect GetTileRect() MOZ_OVERRIDE;
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virtual size_t GetTileCount() MOZ_OVERRIDE
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{
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return mTexImage->GetTileCount();
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}
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virtual bool NextTile() MOZ_OVERRIDE
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{
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return mTexImage->NextTile();
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}
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protected:
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nsRefPtr<gl::TextureImage> mTexImage;
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gl::GLContext* mGL;
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TextureFlags mFlags;
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bool mIterating;
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};
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/**
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* A texture source meant for use with SharedTextureHostOGL.
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*
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* It does not own any GL texture, and attaches its shared handle to one of
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* the compositor's temporary textures when binding.
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*
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* The shared texture handle is owned by the TextureHost.
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*/
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class SharedTextureSourceOGL : public NewTextureSource
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, public TextureSourceOGL
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{
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public:
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typedef gl::SharedTextureShareType SharedTextureShareType;
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SharedTextureSourceOGL(CompositorOGL* aCompositor,
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gl::SharedTextureHandle aHandle,
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gfx::SurfaceFormat aFormat,
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GLenum aTarget,
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GLenum aWrapMode,
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SharedTextureShareType aShareType,
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gfx::IntSize aSize);
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virtual TextureSourceOGL* AsSourceOGL() { return this; }
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virtual void BindTexture(GLenum activetex) MOZ_OVERRIDE;
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virtual bool IsValid() const MOZ_OVERRIDE;
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virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
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virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE { return mFormat; }
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virtual gfx3DMatrix GetTextureTransform() MOZ_OVERRIDE;
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virtual GLenum GetTextureTarget() const { return mTextureTarget; }
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virtual GLenum GetWrapMode() const MOZ_OVERRIDE { return mWrapMode; }
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// SharedTextureSource doesn't own any gl texture
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virtual void DeallocateDeviceData() {}
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void DetachSharedHandle();
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void SetCompositor(CompositorOGL* aCompositor);
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gl::GLContext* gl() const;
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protected:
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gfx::IntSize mSize;
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CompositorOGL* mCompositor;
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gl::SharedTextureHandle mSharedHandle;
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gfx::SurfaceFormat mFormat;
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SharedTextureShareType mShareType;
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GLenum mTextureTarget;
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GLenum mWrapMode;
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};
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/**
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* A TextureHost for shared GL Textures
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*
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* Most of the logic actually happens in SharedTextureSourceOGL.
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*/
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class SharedTextureHostOGL : public TextureHost
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{
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public:
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SharedTextureHostOGL(TextureFlags aFlags,
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gl::SharedTextureShareType aShareType,
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gl::SharedTextureHandle aSharedhandle,
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gfx::IntSize aSize,
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bool inverted);
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virtual ~SharedTextureHostOGL();
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// SharedTextureHostOGL doesn't own any GL texture
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virtual void DeallocateDeviceData() MOZ_OVERRIDE {}
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual bool Lock() MOZ_OVERRIDE;
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virtual void Unlock() MOZ_OVERRIDE;
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virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
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virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE
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{
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return mTextureSource;
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}
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virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE
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{
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return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
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}
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gl::GLContext* gl() const;
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virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
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virtual const char* Name() { return "SharedTextureHostOGL"; }
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protected:
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gfx::IntSize mSize;
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CompositorOGL* mCompositor;
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gl::SharedTextureHandle mSharedHandle;
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gl::SharedTextureShareType mShareType;
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RefPtr<SharedTextureSourceOGL> mTextureSource;
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};
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/**
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* DeprecatedTextureHost implementation using a TextureImage as the underlying texture.
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*/
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class TextureImageDeprecatedTextureHostOGL : public DeprecatedTextureHost
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, public TextureSourceOGL
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, public TileIterator
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{
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public:
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TextureImageDeprecatedTextureHostOGL(gl::TextureImage* aTexImage = nullptr)
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: mTexture(aTexImage)
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, mGL(nullptr)
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, mIterating(false)
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{
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MOZ_COUNT_CTOR(TextureImageDeprecatedTextureHostOGL);
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}
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~TextureImageDeprecatedTextureHostOGL();
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TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE
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{
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return this;
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}
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virtual TextureImageDeprecatedTextureHostOGL* AsTextureImageDeprecatedTextureHost() MOZ_OVERRIDE
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{
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return this;
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}
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// This is a hack that is here to not break on-main-thread ThebesLayerBuffer
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// please do not use it anywhere else, use SetCompositor instead.
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void SetGLContext(gl::GLContext* aGL)
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{
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mGL = aGL;
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}
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// DeprecatedTextureHost
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void UpdateImpl(const SurfaceDescriptor& aImage,
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nsIntRegion* aRegion = nullptr,
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nsIntPoint* aOffset = nullptr) MOZ_OVERRIDE;
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual void EnsureBuffer(const nsIntSize& aSize, gfxContentType aType) MOZ_OVERRIDE;
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virtual void CopyTo(const nsIntRect& aSourceRect,
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DeprecatedTextureHost *aDest,
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const nsIntRect& aDestRect) MOZ_OVERRIDE;
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bool IsValid() const MOZ_OVERRIDE
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{
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return !!mTexture;
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}
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virtual bool Lock() MOZ_OVERRIDE;
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virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
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// textureSource
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void BindTexture(GLenum aTextureUnit) MOZ_OVERRIDE
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{
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mTexture->BindTexture(aTextureUnit);
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}
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gfx::IntSize GetSize() const MOZ_OVERRIDE;
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GLenum GetWrapMode() const MOZ_OVERRIDE
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{
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return mTexture->GetWrapMode();
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}
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gl::TextureImage* GetTextureImage()
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{
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return mTexture;
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}
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void SetTextureImage(gl::TextureImage* aImage)
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{
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mTexture = aImage;
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}
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// TileIterator
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TileIterator* AsTileIterator() MOZ_OVERRIDE
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{
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return this;
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}
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void BeginTileIteration() MOZ_OVERRIDE
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{
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mTexture->BeginTileIteration();
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mIterating = true;
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}
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void EndTileIteration() MOZ_OVERRIDE
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{
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mIterating = false;
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}
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nsIntRect GetTileRect() MOZ_OVERRIDE;
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size_t GetTileCount() MOZ_OVERRIDE
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{
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return mTexture->GetTileCount();
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}
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bool NextTile() MOZ_OVERRIDE
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{
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return mTexture->NextTile();
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}
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virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE
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{
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return DeprecatedTextureHost::GetFormat();
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}
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virtual const char* Name() { return "TextureImageDeprecatedTextureHostOGL"; }
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protected:
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nsRefPtr<gl::TextureImage> mTexture;
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gl::GLContext* mGL;
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bool mIterating;
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};
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/**
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* DeprecatedTextureHost implementation for YCbCr images in the OpenGL backend.
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*
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* This DeprecatedTextureHost is a little bit particular in that it implements
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* the TextureSource interface, as it is required that a DeprecatedTextureHost
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* provides access to a TextureSource, but does not implement the
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* DeprecatedTextureHostOGL interface. Instead it contains 3 channels (one per
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* plane) that implement the TextureSourceOGL interface, and
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* YCbCrDeprecatedTextureHostOGL's TextureSource implementation provide access
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* to these channels with the GetSubSource method.
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*/
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class YCbCrDeprecatedTextureHostOGL : public DeprecatedTextureHost
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{
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public:
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YCbCrDeprecatedTextureHostOGL()
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: mGL(nullptr)
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{
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MOZ_COUNT_CTOR(YCbCrDeprecatedTextureHostOGL);
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mYTexture = new Channel;
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mCbTexture = new Channel;
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mCrTexture = new Channel;
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mFormat = gfx::FORMAT_YUV;
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}
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~YCbCrDeprecatedTextureHostOGL()
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{
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MOZ_COUNT_DTOR(YCbCrDeprecatedTextureHostOGL);
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}
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual void UpdateImpl(const SurfaceDescriptor& aImage,
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nsIntRegion* aRegion = nullptr,
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nsIntPoint* aOffset = nullptr) MOZ_OVERRIDE;
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virtual bool Lock() MOZ_OVERRIDE;
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virtual bool IsValid() const MOZ_OVERRIDE
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{
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return mYTexture->IsValid()
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&& mCbTexture->IsValid()
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&& mCrTexture->IsValid();
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}
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struct Channel : public TextureSourceOGL
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, public TextureSource
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{
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TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE
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{
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return this;
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}
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nsRefPtr<gl::TextureImage> mTexImage;
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void BindTexture(GLenum aUnit) MOZ_OVERRIDE
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{
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mTexImage->BindTexture(aUnit);
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}
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virtual bool IsValid() const MOZ_OVERRIDE
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{
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return !!mTexImage;
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}
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virtual gfx::IntSize GetSize() const MOZ_OVERRIDE
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{
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return gfx::IntSize(mTexImage->GetSize().width, mTexImage->GetSize().height);
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}
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virtual GLenum GetWrapMode() const MOZ_OVERRIDE
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{
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return mTexImage->GetWrapMode();
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}
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virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE
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{
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return gfx::FORMAT_A8;
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}
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};
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// TextureSource implementation
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TextureSource* GetSubSource(int index) MOZ_OVERRIDE
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{
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switch (index) {
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case 0 : return mYTexture.get();
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case 1 : return mCbTexture.get();
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case 2 : return mCrTexture.get();
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}
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return nullptr;
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}
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gfx::IntSize GetSize() const MOZ_OVERRIDE
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|
{
|
|
if (!mYTexture->mTexImage) {
|
|
NS_WARNING("YCbCrDeprecatedTextureHost::GetSize called but no data has been set yet");
|
|
return gfx::IntSize(0,0);
|
|
}
|
|
return mYTexture->GetSize();
|
|
}
|
|
|
|
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual const char* Name() { return "YCbCrDeprecatedTextureHostOGL"; }
|
|
|
|
private:
|
|
RefPtr<Channel> mYTexture;
|
|
RefPtr<Channel> mCbTexture;
|
|
RefPtr<Channel> mCrTexture;
|
|
gl::GLContext* mGL;
|
|
};
|
|
|
|
|
|
class SharedDeprecatedTextureHostOGL : public DeprecatedTextureHost
|
|
, public TextureSourceOGL
|
|
{
|
|
public:
|
|
typedef gfxContentType ContentType;
|
|
typedef mozilla::gl::GLContext GLContext;
|
|
typedef mozilla::gl::TextureImage TextureImage;
|
|
|
|
SharedDeprecatedTextureHostOGL()
|
|
: mGL(nullptr)
|
|
, mTextureHandle(0)
|
|
, mWrapMode(LOCAL_GL_CLAMP_TO_EDGE)
|
|
, mSharedHandle(0)
|
|
, mShareType(gl::SameProcess)
|
|
{}
|
|
|
|
virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
|
|
|
|
virtual ~SharedDeprecatedTextureHostOGL()
|
|
{
|
|
if (mSharedHandle || mTextureHandle) {
|
|
DeleteTextures();
|
|
}
|
|
}
|
|
|
|
virtual GLuint GetTextureHandle()
|
|
{
|
|
return mTextureHandle;
|
|
}
|
|
|
|
virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE
|
|
{
|
|
return DeprecatedTextureHost::GetFormat();
|
|
}
|
|
|
|
virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE { return this; }
|
|
|
|
bool IsValid() const MOZ_OVERRIDE { return !!mSharedHandle; }
|
|
|
|
// override from DeprecatedTextureHost, we support both buffered
|
|
// and unbuffered operation.
|
|
virtual void UpdateImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion = nullptr,
|
|
nsIntPoint* aOffset = nullptr) MOZ_OVERRIDE;
|
|
virtual void SwapTexturesImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion = nullptr) MOZ_OVERRIDE;
|
|
virtual bool Lock() MOZ_OVERRIDE;
|
|
virtual void Unlock() MOZ_OVERRIDE;
|
|
|
|
virtual GLenum GetWrapMode() const MOZ_OVERRIDE { return mWrapMode; }
|
|
virtual void SetWrapMode(GLenum aMode) { mWrapMode = aMode; }
|
|
|
|
virtual GLenum GetTextureTarget() const MOZ_OVERRIDE
|
|
{
|
|
return mTextureTarget;
|
|
}
|
|
|
|
gfx::IntSize GetSize() const MOZ_OVERRIDE {
|
|
return mSize;
|
|
}
|
|
|
|
void BindTexture(GLenum activetex) MOZ_OVERRIDE
|
|
{
|
|
MOZ_ASSERT(mGL);
|
|
// Lock already bound us!
|
|
MOZ_ASSERT(activetex == LOCAL_GL_TEXTURE0);
|
|
}
|
|
GLuint GetTextureID() { return mTextureHandle; }
|
|
ContentType GetContentType()
|
|
{
|
|
return (mFormat == gfx::FORMAT_B8G8R8A8) ?
|
|
GFX_CONTENT_COLOR_ALPHA :
|
|
GFX_CONTENT_COLOR;
|
|
}
|
|
|
|
virtual gfx3DMatrix GetTextureTransform() MOZ_OVERRIDE;
|
|
|
|
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual const char* Name() { return "SharedDeprecatedTextureHostOGL"; }
|
|
|
|
protected:
|
|
void DeleteTextures();
|
|
|
|
gfx::IntSize mSize;
|
|
nsRefPtr<gl::GLContext> mGL;
|
|
GLuint mTextureHandle;
|
|
GLenum mWrapMode;
|
|
GLenum mTextureTarget;
|
|
gl::SharedTextureHandle mSharedHandle;
|
|
gl::SharedTextureShareType mShareType;
|
|
};
|
|
|
|
class SurfaceStreamHostOGL : public DeprecatedTextureHost
|
|
, public TextureSourceOGL
|
|
{
|
|
public:
|
|
typedef gfxContentType ContentType;
|
|
typedef mozilla::gl::GLContext GLContext;
|
|
typedef mozilla::gl::TextureImage TextureImage;
|
|
|
|
virtual ~SurfaceStreamHostOGL()
|
|
{
|
|
DeleteTextures();
|
|
}
|
|
|
|
virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
|
|
|
|
virtual GLuint GetTextureHandle()
|
|
{
|
|
return mTextureHandle;
|
|
}
|
|
|
|
virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE
|
|
{
|
|
return DeprecatedTextureHost::GetFormat();
|
|
}
|
|
|
|
virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE { return this; }
|
|
|
|
bool IsValid() const MOZ_OVERRIDE { return true; }
|
|
|
|
// override from DeprecatedTextureHost
|
|
virtual void UpdateImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion,
|
|
nsIntPoint* aOffset);
|
|
virtual bool Lock() MOZ_OVERRIDE;
|
|
virtual void Unlock() MOZ_OVERRIDE;
|
|
|
|
virtual GLenum GetWrapMode() const MOZ_OVERRIDE {
|
|
return mWrapMode;
|
|
}
|
|
virtual void SetWrapMode(GLenum aMode) {
|
|
mWrapMode = aMode;
|
|
}
|
|
|
|
gfx::IntSize GetSize() const MOZ_OVERRIDE {
|
|
return mSize;
|
|
}
|
|
|
|
virtual GLenum GetTextureTarget() const MOZ_OVERRIDE
|
|
{
|
|
return mTextureTarget;
|
|
}
|
|
|
|
void BindTexture(GLenum activetex) MOZ_OVERRIDE;
|
|
|
|
GLuint GetTextureID() { return mTextureHandle; }
|
|
ContentType GetContentType() {
|
|
return (mFormat == gfx::FORMAT_B8G8R8A8) ?
|
|
GFX_CONTENT_COLOR_ALPHA :
|
|
GFX_CONTENT_COLOR;
|
|
}
|
|
|
|
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual const char* Name() { return "SurfaceStreamHostOGL"; }
|
|
|
|
SurfaceStreamHostOGL()
|
|
: mGL(nullptr)
|
|
, mTextureHandle(0)
|
|
, mTextureTarget(LOCAL_GL_TEXTURE_2D)
|
|
, mUploadTexture(0)
|
|
, mWrapMode(LOCAL_GL_CLAMP_TO_EDGE)
|
|
, mStream(nullptr)
|
|
{}
|
|
|
|
protected:
|
|
void DeleteTextures();
|
|
|
|
gfx::IntSize mSize;
|
|
nsRefPtr<GLContext> mGL;
|
|
GLuint mTextureHandle;
|
|
GLenum mTextureTarget;
|
|
GLuint mUploadTexture;
|
|
GLenum mWrapMode;
|
|
nsRefPtr<GLContext> mStreamGL;
|
|
gfx::SurfaceStream *mStream;
|
|
};
|
|
|
|
class TiledDeprecatedTextureHostOGL : public DeprecatedTextureHost
|
|
, public TextureSourceOGL
|
|
{
|
|
public:
|
|
TiledDeprecatedTextureHostOGL()
|
|
: mTextureHandle(0)
|
|
, mGL(nullptr)
|
|
{}
|
|
~TiledDeprecatedTextureHostOGL();
|
|
|
|
virtual void SetCompositor(Compositor* aCompositor);
|
|
|
|
// have to pass the size in here (every time) because of DrawQuad API :-(
|
|
virtual void Update(gfxReusableSurfaceWrapper* aReusableSurface, TextureFlags aFlags, const gfx::IntSize& aSize) MOZ_OVERRIDE;
|
|
virtual bool Lock() MOZ_OVERRIDE;
|
|
virtual void Unlock() MOZ_OVERRIDE {}
|
|
|
|
virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE
|
|
{
|
|
return DeprecatedTextureHost::GetFormat();
|
|
}
|
|
|
|
virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE { return this; }
|
|
virtual bool IsValid() const MOZ_OVERRIDE { return true; }
|
|
virtual GLenum GetWrapMode() const MOZ_OVERRIDE { return LOCAL_GL_CLAMP_TO_EDGE; }
|
|
virtual void BindTexture(GLenum aTextureUnit);
|
|
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE
|
|
{
|
|
return mSize;
|
|
}
|
|
|
|
virtual void SwapTexturesImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion = nullptr)
|
|
{ MOZ_ASSERT(false, "Tiles should not use this path"); }
|
|
|
|
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual const char* Name() { return "TiledDeprecatedTextureHostOGL"; }
|
|
|
|
protected:
|
|
void DeleteTextures();
|
|
|
|
virtual uint64_t GetIdentifier() const MOZ_OVERRIDE {
|
|
return static_cast<uint64_t>(mTextureHandle);
|
|
}
|
|
|
|
private:
|
|
GLenum GetTileType()
|
|
{
|
|
// Deduce the type that was assigned in GetFormatAndTileForImageFormat
|
|
return mGLFormat == LOCAL_GL_RGB ? LOCAL_GL_UNSIGNED_SHORT_5_6_5 : LOCAL_GL_UNSIGNED_BYTE;
|
|
}
|
|
|
|
gfx::IntSize mSize;
|
|
GLuint mTextureHandle;
|
|
GLenum mGLFormat;
|
|
nsRefPtr<gl::GLContext> mGL;
|
|
};
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
|
|
// For direct texturing with gralloc buffers. The corresponding DeprecatedTextureClient is DeprecatedTextureClientShmem,
|
|
// which automatically gets gralloc when it can, in which case the compositor sees that the
|
|
// SurfaceDescriptor is gralloc, and decides to use a GrallocDeprecatedTextureHostOGL to do direct texturing,
|
|
// saving the cost of a texture upload.
|
|
class GrallocDeprecatedTextureHostOGL
|
|
: public DeprecatedTextureHost
|
|
, public TextureSourceOGL
|
|
{
|
|
public:
|
|
GrallocDeprecatedTextureHostOGL();
|
|
|
|
~GrallocDeprecatedTextureHostOGL();
|
|
|
|
virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
|
|
|
|
virtual void UpdateImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion = nullptr,
|
|
nsIntPoint* aOffset = nullptr) MOZ_OVERRIDE;
|
|
virtual void SwapTexturesImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion = nullptr) MOZ_OVERRIDE;
|
|
virtual bool Lock() MOZ_OVERRIDE;
|
|
virtual void Unlock() MOZ_OVERRIDE;
|
|
|
|
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE
|
|
{
|
|
return mGraphicBuffer.get() ? gfx::IntSize(mGraphicBuffer->getWidth(), mGraphicBuffer->getHeight()) : gfx::IntSize(0, 0);
|
|
}
|
|
|
|
virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
|
|
|
|
GLenum GetWrapMode() const MOZ_OVERRIDE
|
|
{
|
|
return LOCAL_GL_CLAMP_TO_EDGE;
|
|
}
|
|
|
|
virtual GLenum GetTextureTarget() const MOZ_OVERRIDE
|
|
{
|
|
return mTextureTarget;
|
|
}
|
|
|
|
bool IsValid() const MOZ_OVERRIDE;
|
|
|
|
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual const char* Name() { return "GrallocDeprecatedTextureHostOGL"; }
|
|
|
|
void BindTexture(GLenum aTextureUnit) MOZ_OVERRIDE;
|
|
|
|
virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE
|
|
{
|
|
return this;
|
|
}
|
|
|
|
// only overridden for hacky fix in gecko 23 for bug 862324
|
|
// see bug 865908 about fixing this.
|
|
virtual void SetBuffer(SurfaceDescriptor* aBuffer, ISurfaceAllocator* aAllocator) MOZ_OVERRIDE;
|
|
|
|
// used only for hacky fix in gecko 23 for bug 862324
|
|
virtual void ForgetBuffer()
|
|
{
|
|
if (mBuffer) {
|
|
// Intentionally don't destroy the actor held by mBuffer here.
|
|
// The point is that this is only called from GrallocBufferActor::ActorDestroy
|
|
// where we know that the actor is already being deleted.
|
|
// See bug 862324 comment 39.
|
|
delete mBuffer;
|
|
mBuffer = nullptr;
|
|
}
|
|
|
|
mGraphicBuffer = nullptr;
|
|
DeleteTextures();
|
|
}
|
|
|
|
virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
|
|
|
|
GLuint GetGLTexture();
|
|
|
|
private:
|
|
gl::GLContext* gl() const;
|
|
|
|
void DeleteTextures();
|
|
|
|
RefPtr<CompositorOGL> mCompositor;
|
|
android::sp<android::GraphicBuffer> mGraphicBuffer;
|
|
GLenum mTextureTarget;
|
|
EGLImage mEGLImage;
|
|
//Set when the composer needs to swap RB pixels of gralloc buffer
|
|
bool mIsRBSwapped;
|
|
};
|
|
#endif
|
|
|
|
} // namespace
|
|
} // namespace
|
|
|
|
#endif /* MOZILLA_GFX_TEXTUREOGL_H */
|