1 files changed, 12 insertions, 3 deletions

diff --git a/include/gpu/GrPaint.h b/include/gpu/GrPaint.h
index 6cdc2de09c..9390d021a3 100644
--- a/include/gpu/GrPaint.h
+++ b/include/gpu/GrPaint.h
@@ -30,9 +30,10 @@
  * The primitive color computation starts with the color specified by setColor(). This color is the
  * input to the first color stage. Each color stage feeds its output to the next color stage.
  *
- * Fractional pixel coverage follows a similar flow. The GrGeometryProcessor (specified elsewhere)
- * provides the initial coverage which is passed to the first coverage fragment processor, which
- * feeds its output to next coverage fragment processor.
+ * Fractional pixel coverage follows a similar flow. The coverage is initially the value specified
+ * by setCoverage(). This is input to the first coverage stage. Coverage stages are chained
+ * together in the same manner as color stages. The output of the last stage is modulated by any
+ * fractional coverage produced by anti-aliasing. This last step produces the final coverage, C.
  *
  * setXPFactory is used to control blending between the output color and dest. It also implements
  * the application of fractional coverage from the coverage pipeline.
@@ -57,6 +58,12 @@ public:
     GrColor getColor() const { return fColor.toGrColor(); }
 
     /**
+     * Should primitives be anti-aliased or not. Defaults to false.
+     */
+    void setAntiAlias(bool aa) { fAntiAlias = aa; }
+    bool isAntiAlias() const { return fAntiAlias; }
+
+    /**
      * Should shader output conversion from linear to sRGB be disabled.
      * Only relevant if the destination is sRGB. Defaults to false.
      */
@@ -139,6 +146,7 @@ public:
     }
 
     GrPaint& operator=(const GrPaint& paint) {
+        fAntiAlias = paint.fAntiAlias;
         fDisableOutputConversionToSRGB = paint.fDisableOutputConversionToSRGB;
         fAllowSRGBInputs = paint.fAllowSRGBInputs;
         fUsesDistanceVectorField = paint.fUsesDistanceVectorField;
@@ -177,6 +185,7 @@ private:
     SkSTArray<4, sk_sp<GrFragmentProcessor>>  fColorFragmentProcessors;
     SkSTArray<2, sk_sp<GrFragmentProcessor>>  fCoverageFragmentProcessors;
 
+    bool                                      fAntiAlias;
     bool                                      fDisableOutputConversionToSRGB;
     bool                                      fAllowSRGBInputs;
     bool                                      fUsesDistanceVectorField;