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Bug 990338 - Pass CanvasLayer Y-flip flag through layers. r=nical

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This commit is contained in:
Matt Woodrow 2014-04-01 15:52:47 +08:00
parent aa186f3408
commit d989e5ec4d
1 changed files with 5 additions and 1 deletions
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6
gfx/layers/client/CanvasClient.cpp
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@ -61,8 +61,12 @@ CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
: gfxContentType::COLOR_ALPHA;
gfxImageFormat format
= gfxPlatform::GetPlatform()->OptimalFormatForContent(contentType);
uint32_t flags = TEXTURE_FLAGS_DEFAULT;
if (mTextureFlags & TEXTURE_NEEDS_Y_FLIP) {
flags |= TEXTURE_NEEDS_Y_FLIP;
}
mBuffer = CreateBufferTextureClient(gfx::ImageFormatToSurfaceFormat(format),
TEXTURE_FLAGS_DEFAULT,
flags,
gfxPlatform::GetPlatform()->GetPreferredCanvasBackend());
MOZ_ASSERT(mBuffer->AsTextureClientSurface());
mBuffer->AsTextureClientSurface()->AllocateForSurface(aSize);