Two and three color GPU gradients without textures.

R=bsalomon@google.com

Review URL: https://codereview.chromium.org/22854005

git-svn-id: http://skia.googlecode.com/svn/trunk@11158 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 5188588..ee51095 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -84,7 +84,7 @@
 #if SK_ANGLE
 //#define DEFAULT_TO_ANGLE 1
 #else
-//#define DEFAULT_TO_GPU 1
+#define DEFAULT_TO_GPU 0 // if 1 default rendering is on GPU
 #endif
 
 #define ANIMATING_EVENTTYPE "nextSample"