Don't call SkGpuDevice::drawVertices from drawPoints when AA is required.

R=jvanverth@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/12943007

git-svn-id: http://skia.googlecode.com/svn/trunk@10489 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 61de982..f0206d6 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -598,9 +598,10 @@
         return;
     }
 
-    // we only handle hairlines and paints without path effects or mask filters,
+    // we only handle non-AA hairlines and paints without path effects or mask filters,
     // else we let the SkDraw call our drawPath()
-    if (width > 0 || paint.getPathEffect() || paint.getMaskFilter()) {
+    bool requiresAA = paint.isAntiAlias() && !fRenderTarget->isMultisampled();
+    if (requiresAA || width > 0 || paint.getPathEffect() || paint.getMaskFilter()) {
         draw.drawPoints(mode, count, pts, paint, true);
         return;
     }