should check validation of _stencil (#16913)

2016-11-29 10:46:20 +08:00 · 2016-11-29 10:46:20 +08:00 · 575ed756d1
parent 0c06029532
commit 575ed756d1
1 changed files with 2 additions and 1 deletions
--- a/cocos/2d/CCClippingNode.cpp
+++ b/cocos/2d/CCClippingNode.cpp
@ -345,6 +345,7 @@ void ClippingNode::setAlphaThreshold(GLfloat alphaThreshold)
    if (alphaThreshold == 1 && alphaThreshold != _stencilStateManager->getAlphaThreshold())
    {
        // should reset program used by _stencil
+        if (_stencil)
            setProgram(_stencil, _originStencilProgram);
    }
 #endif