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Protect against unref/ref of stencil buffer.

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Over the shoulder review from robertphillips@google.com



git-svn-id: http://skia.googlecode.com/svn/trunk@6476 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2012-11-19 14:36:31 +00:00
parent 56f233ab54
commit 8e2999fd24
1 changed files with 4 additions and 0 deletions
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4
src/gpu/GrRenderTarget.cpp
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@ -95,6 +95,10 @@ void GrRenderTarget::overrideResolveRect(const GrIRect rect) {
} }
void GrRenderTarget::setStencilBuffer(GrStencilBuffer* stencilBuffer) { void GrRenderTarget::setStencilBuffer(GrStencilBuffer* stencilBuffer) {
if (stencilBuffer == fStencilBuffer) {
return;
}
if (NULL != fStencilBuffer) { if (NULL != fStencilBuffer) {
fStencilBuffer->unref(); fStencilBuffer->unref();