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Bug 593175, part 1: Request backing buffers with gfxContentType rather than gfxImageFormat. r=karl a=blocking-fennec

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This commit is contained in:
Chris Jones
2010-09-16 16:24:17 -05:00
parent 5fe7b1d879
commit 03af63797d
4 changed files with 35 additions and 13 deletions
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7
gfx/layers/basic/BasicLayers.cpp
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@@ -1559,7 +1559,9 @@ BasicShadowableImageLayer::Paint(gfxContext* aContext,
nsRefPtr<gfxSharedImageSurface> tmpFrontSurface;
// XXX error handling?
if (!BasicManager()->AllocDoubleBuffer(
mSize, gfxASurface::ImageFormatARGB32,
mSize,
(GetContentFlags() & CONTENT_OPAQUE) ?
gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA,
getter_AddRefs(tmpFrontSurface), getter_AddRefs(mBackSurface)))
NS_RUNTIMEABORT("creating ImageLayer 'front buffer' failed!");
@@ -1675,7 +1677,8 @@ BasicShadowableCanvasLayer::Initialize(const Data& aData)
// XXX error handling?
if (!BasicManager()->AllocDoubleBuffer(
gfxIntSize(aData.mSize.width, aData.mSize.height),
gfxASurface::ImageFormatARGB32,
(GetContentFlags() & CONTENT_OPAQUE) ?
gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA,
getter_AddRefs(tmpFrontBuffer), getter_AddRefs(mBackBuffer)))
NS_RUNTIMEABORT("creating CanvasLayer back buffer failed!");