gecko/gfx/layers/composite/ImageHost.h

135 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_GFX_IMAGEHOST_H
#define MOZILLA_GFX_IMAGEHOST_H
#include <stdio.h> // for FILE
#include "CompositableHost.h" // for CompositableHost
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/gfx/Point.h" // for Point
#include "mozilla/gfx/Rect.h" // for Rect
#include "mozilla/gfx/Types.h" // for Filter
#include "mozilla/layers/CompositorTypes.h" // for TextureInfo, etc
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
#include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc
#include "mozilla/layers/TextureHost.h" // for TextureHost, etc
#include "mozilla/mozalloc.h" // for operator delete
#include "nsCOMPtr.h" // for already_AddRefed
#include "nsRect.h" // for nsIntRect
#include "nscore.h" // for nsACString
class nsIntRegion;
namespace mozilla {
namespace gfx {
class Matrix4x4;
}
namespace layers {
class Compositor;
class ISurfaceAllocator;
struct EffectChain;
/**
* ImageHost. Works with ImageClientSingle and ImageClientBuffered
*/
class ImageHost : public CompositableHost
{
public:
explicit ImageHost(const TextureInfo& aTextureInfo);
~ImageHost();
virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
virtual void Composite(EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion* aVisibleRegion = nullptr) MOZ_OVERRIDE;
virtual void UseTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
virtual void RemoveTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
virtual TextureHost* GetAsTextureHost() MOZ_OVERRIDE;
virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
{
mPictureRect = aPictureRect;
mHasPictureRect = true;
}
virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix);
#ifdef MOZ_DUMP_PAINTING
virtual void Dump(std::stringstream& aStream,
const char* aPrefix = "",
bool aDumpHtml = false) MOZ_OVERRIDE;
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
#endif
virtual bool Lock() MOZ_OVERRIDE;
virtual void Unlock() MOZ_OVERRIDE;
virtual TemporaryRef<NewTextureSource> GetTextureSource();
virtual TemporaryRef<TexturedEffect> GenEffect(const gfx::Filter& aFilter) MOZ_OVERRIDE;
protected:
RefPtr<TextureHost> mFrontBuffer;
nsIntRect mPictureRect;
bool mHasPictureRect;
bool mLocked;
};
#ifdef MOZ_WIDGET_GONK
/**
* ImageHostOverlay works with ImageClientOverlay
*/
class ImageHostOverlay : public CompositableHost {
public:
ImageHostOverlay(const TextureInfo& aTextureInfo);
~ImageHostOverlay();
virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
virtual void Composite(EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion* aVisibleRegion = nullptr) MOZ_OVERRIDE;
virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
virtual void UseOverlaySource(OverlaySource aOverlay) MOZ_OVERRIDE;
virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
{
mPictureRect = aPictureRect;
mHasPictureRect = true;
}
virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix);
protected:
nsIntRect mPictureRect;
bool mHasPictureRect;
OverlaySource mOverlay;
};
#endif
}
}
#endif