Add bevel-stroke support in GrAARectRenderer

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 4041c411fc1391618b5238c3c85ddd83c13461c3..e656a7ec30aceca12395084ba46a3bb4b574cf2a 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -613,11 +613,12 @@ void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect,
     SkScalar width = paint.getStrokeWidth();
 
     /*
-        We have special code for hairline strokes, miter-strokes, and fills.
-        Anything else we just call our path code.
+        We have special code for hairline strokes, miter-strokes, bevel-stroke
+        and fills. Anything else we just call our path code.
      */
     bool usePath = doStroke && width > 0 &&
-                    paint.getStrokeJoin() != SkPaint::kMiter_Join;
+                   (paint.getStrokeJoin() == SkPaint::kRound_Join ||
+                    (paint.getStrokeJoin() == SkPaint::kBevel_Join && rect.isEmpty()));
     // another two reasons we might need to call drawPath...
     if (paint.getMaskFilter() || paint.getPathEffect()) {
         usePath = true;
@@ -633,12 +634,6 @@ void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect,
         }
 #endif
     }
-    // small miter limit means right angles show bevel...
-    if (SkPaint::kMiter_Join == paint.getStrokeJoin() &&
-        paint.getStrokeMiter() < SK_ScalarSqrt2)
-    {
-        usePath = true;
-    }
     // until we can both stroke and fill rectangles
     if (paint.getStyle() == SkPaint::kStrokeAndFill_Style) {
         usePath = true;
@@ -655,7 +650,13 @@ void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect,
     if (!skPaint2GrPaintShader(this, paint, true, &grPaint)) {
         return;
     }
-    fContext->drawRect(grPaint, rect, doStroke ? width : -1);
+
+    if (!doStroke) {
+        fContext->drawRect(grPaint, rect);
+    } else {
+        SkStrokeRec stroke(paint);
+        fContext->drawRect(grPaint, rect, &stroke);
+    }
 }
 
 ///////////////////////////////////////////////////////////////////////////////