commit 2cdfade4e8c45abb5793c8547e86b4b93039732b
author bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Wed Nov 23 16:53:42 2011 +0000
committer bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Wed Nov 23 16:53:42 2011 +0000
tree 02c5db39a27035fa87f0f8cfcc7c494fce19ee01
parent 055af884c8f1a0a2e5b4ded400ea7af27295dfc1

Fix clang static analyzer errors in Gr

Review URL: http://codereview.appspot.com/5433055/


git-svn-id: http://skia.googlecode.com/svn/trunk@2743 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/GrGpuGL.cpp

diff --git a/src/gpu/GrGpuGL.cpp b/src/gpu/GrGpuGL.cpp
index 093a53b..7e9b102 100644
--- a/src/gpu/GrGpuGL.cpp
+++ b/src/gpu/GrGpuGL.cpp
@@ -1763,8 +1763,13 @@
             GrAssert(stencilBits ||
                      (GrStencilSettings::gDisabled ==
                       fCurrDrawState.fStencilSettings));
-            GrGLuint clipStencilMask = 1 << (stencilBits - 1);
-            GrGLuint userStencilMask = clipStencilMask - 1;
+
+            GrGLuint clipStencilMask = 0;
+            GrGLuint userStencilMask = ~0;
+            if (stencilBits > 0) {
+                clipStencilMask =  1 << (stencilBits - 1);
+                userStencilMask = clipStencilMask - 1;
+            }
 
             unsigned int frontRef  = settings->fFrontFuncRef;
             unsigned int frontMask = settings->fFrontFuncMask;