From 1eadb955be555e2360fbe9ca94e603949a8938fa Mon Sep 17 00:00:00 2001
From: "reed@android.com"
 <reed@android.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Date: Mon, 25 Jan 2010 22:09:16 +0000
Subject: [PATCH] check for gl-canvas before calling GL

git-svn-id: http://skia.googlecode.com/svn/trunk@480 2bbb7eff-a529-9590-31e7-b0007b416f81
---
 samplecode/SampleTestGL.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/samplecode/SampleTestGL.cpp b/samplecode/SampleTestGL.cpp
index 04e47b6b3e..c5938baabe 100644
--- a/samplecode/SampleTestGL.cpp
+++ b/samplecode/SampleTestGL.cpp
@@ -202,9 +202,11 @@ protected:
     
     virtual void onDraw(SkCanvas* canvas) {
         drawBG(canvas);
-        
-        test_glshader(canvas);
-        return;
+
+        if (canvas->getViewport(NULL)) {
+            test_glshader(canvas);
+            return;
+        }
         
         SkRect r;
         r.set(0, 0, 100, 100);