Fix reversed bilerp setting in GrTextContext in r4773

Review URL: http://codereview.appspot.com/6455044/


git-svn-id: http://skia.googlecode.com/svn/trunk@4778 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrTextContext.cpp b/src/gpu/GrTextContext.cpp
index 925fdb3..86b73f8 100644
--- a/src/gpu/GrTextContext.cpp
+++ b/src/gpu/GrTextContext.cpp
@@ -30,7 +30,7 @@
     if (fCurrVertex > 0) {
         // setup our sampler state for our text texture/atlas
         drawState->sampler(kGlyphMaskStage)->reset(SkShader::kRepeat_TileMode,
-                                                   fExtMatrix.isIdentity());
+                                                   !fExtMatrix.isIdentity());
 
         GrAssert(GrIsALIGN4(fCurrVertex));
         GrAssert(fCurrTexture);