Enable the GPU-based blur by default in Skia, and provide a #define to disable
it (SK_DISABLE_GPU_BLUR).

Note:  this change will break some the GM test results.  I've attempted to
rebaseline MacPro float results; more to come.

Review URL:  http://codereview.appspot.com/4784043/



git-svn-id: http://skia.googlecode.com/svn/trunk@1901 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 90ab4bb..cc669fe 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -47,7 +47,6 @@
 };
 
 
-#define USE_GPU_BLUR 0
 #define MAX_BLUR_SIGMA 4.0f
 // FIXME:  This value comes from from SkBlurMaskFilter.cpp.
 // Should probably be put in a common header someplace.
@@ -844,7 +843,7 @@
                                   SkMaskFilter* filter, const SkMatrix& matrix,
                                   const SkRegion& clip, SkBounder* bounder,
                                   GrPaint* grp) {
-#if !USE_GPU_BLUR
+#ifdef SK_DISABLE_GPU_BLUR
     return false;
 #endif
     SkMaskFilter::BlurInfo info;