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should check validation of _stencil (#16913)

This commit is contained in:
minggo 2016-11-29 10:46:20 +08:00 committed by GitHub
parent 0c06029532
commit 575ed756d1
1 changed files with 2 additions and 1 deletions
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3
cocos/2d/CCClippingNode.cpp
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@ -345,7 +345,8 @@ void ClippingNode::setAlphaThreshold(GLfloat alphaThreshold)
if (alphaThreshold == 1 && alphaThreshold != _stencilStateManager->getAlphaThreshold())
{
// should reset program used by _stencil
setProgram(_stencil, _originStencilProgram);
if (_stencil)
setProgram(_stencil, _originStencilProgram);
}
#endif