New API for computing optimization invariants.

src/gpu/batches/GrAAHairLinePathRenderer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAAHairLinePathRenderer.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 668 matching lines @@
         uint8_t fCoverage;
         SkMatrix fViewMatrix;
         SkPath fPath;
         SkIRect fDevClipBounds;
     };
 
     static GrDrawBatch* Create(const Geometry& geometry) { return new AAHairlineBatch(geometry); }
 
     const char* name() const override { return "AAHairlineBatch"; }
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
+    void computeBatchToXPOverrides(GrInitInvariantOutput* color, GrInitInvariantOutput* coverage,
+                                   bool* usePLSDstRead) const {
         // When this is called on a batch, there is only one geometry bundle
-        out->setKnownFourComponents(fGeoData[0].fColor);
-    }
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
-        out->setUnknownSingleComponent();
+        color->setKnownFourComponents(fGeoData[0].fColor);
+        coverage->setUnknownSingleComponent();
+        *usePLSDstRead = true;
     }
 
 private:
     void initBatchTracker(const GrPipelineOptimizations& opt) override {
         // Handle any color overrides
         if (!opt.readsColor()) {
             fGeoData[0].fColor = GrColor_ILLEGAL;
         }
         opt.getOverrideColorIfSet(&fGeoData[0].fColor);
 
@@ skipping 287 matching lines @@
     GrColor color = GrRandomColor(random);
     SkMatrix viewMatrix = GrTest::TestMatrix(random);
     GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle);
     SkPath path = GrTest::TestPath(random);
     SkIRect devClipBounds;
     devClipBounds.setEmpty();
     return create_hairline_batch(color, viewMatrix, path, stroke, devClipBounds);
 }
 
 #endif