fix for blur large glyphs problems

src/gpu/SkGpuDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuDevice.h"
 
 #include "GrContext.h"
@@ skipping 767 matching lines @@
     // where the original path can in fact be modified in place (even though
     // its parameter type is const).
     SkPath* pathPtr = const_cast<SkPath*>(&origSrcPath);
     SkTLazy<SkPath> tmpPath;
     SkTLazy<SkPath> effectPath;
     SkPathEffect* pathEffect = paint.getPathEffect();
 
     SkMatrix viewMatrix = origViewMatrix;
 
     if (prePathMatrix) {
-        // stroking and path effects are supposed to be applied *after* the prePathMatrix.
-        // The pre-path-matrix also should not affect shadeing.
-        if (NULL == pathEffect && NULL == paint.getShader() &&
+        // stroking, path effects, and blurs are supposed to be applied *after* the prePathMatrix.
+        // The pre-path-matrix also should not affect shading.
+        if (NULL == paint.getMaskFilter() && NULL == pathEffect && NULL == paint.getShader() &&
             (strokeInfo.getStrokeRec().isFillStyle() ||
              strokeInfo.getStrokeRec().isHairlineStyle())) {
             viewMatrix.preConcat(*prePathMatrix);
         } else {
             SkPath* result = pathPtr;
 
             if (!pathIsMutable) {
                 result = tmpPath.init();
                 result->setIsVolatile(true);
                 pathIsMutable = true;
@@ skipping 1256 matching lines @@
 #endif
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize);
 }
 
 #endif