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Bug 976766 - Clear layer's buffers when ClearCachedResources() r=nical

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This commit is contained in:
Sotaro Ikeda 2014-02-26 13:41:17 -08:00
parent 27b7fe9eb2
commit 11b8051865
3 changed files with 32 additions and 1 deletions
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12
gfx/layers/client/CanvasClient.h
View File

@ -57,6 +57,8 @@ public:
virtual ~CanvasClient() {}
virtual void Clear() {};
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) = 0;
virtual void Updated() { }
@ -80,6 +82,11 @@ public:
return TextureInfo(COMPOSITABLE_IMAGE);
}
virtual void Clear() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) MOZ_OVERRIDE;
virtual bool AddTextureClient(TextureClient* aTexture) MOZ_OVERRIDE
@ -113,6 +120,11 @@ public:
return TextureInfo(COMPOSITABLE_IMAGE);
}
virtual void Clear() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) MOZ_OVERRIDE;
virtual void OnDetach() MOZ_OVERRIDE

7
gfx/layers/client/ClientCanvasLayer.h
View File

@ -56,6 +56,13 @@ public:
virtual void RenderLayer();
virtual void ClearCachedResources()
{
if (mCanvasClient) {
mCanvasClient->Clear();
}
}
virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
{
aAttrs = CanvasLayerAttributes(mFilter, mBounds);

14
gfx/layers/client/ContentClient.h
View File

@ -206,7 +206,12 @@ public:
typedef RotatedContentBuffer::PaintState PaintState;
typedef RotatedContentBuffer::ContentType ContentType;
virtual void Clear() { RotatedContentBuffer::Clear(); }
virtual void Clear()
{
RotatedContentBuffer::Clear();
mTextureClient = nullptr;
mTextureClientOnWhite = nullptr;
}
virtual PaintState BeginPaintBuffer(ThebesLayer* aLayer,
uint32_t aFlags) MOZ_OVERRIDE
@ -424,6 +429,13 @@ public:
}
virtual ~ContentClientDoubleBuffered() {}
virtual void Clear() MOZ_OVERRIDE
{
ContentClientRemoteBuffer::Clear();
mFrontClient = nullptr;
mFrontClientOnWhite = nullptr;
}
virtual void SwapBuffers(const nsIntRegion& aFrontUpdatedRegion) MOZ_OVERRIDE;
virtual void PrepareFrame() MOZ_OVERRIDE;