New API for computing optimization invariants.

src/gpu/batches/GrDefaultPathRenderer.cpp

Index: src/gpu/batches/GrDefaultPathRenderer.cpp
diff --git a/src/gpu/batches/GrDefaultPathRenderer.cpp b/src/gpu/batches/GrDefaultPathRenderer.cpp
index d0777e253fa70332ee36988fe5c0685a2506acd7..d8cbc30aa70e770fcbe2ce78613d2f6da99fafc9 100644
--- a/src/gpu/batches/GrDefaultPathRenderer.cpp
+++ b/src/gpu/batches/GrDefaultPathRenderer.cpp
@@ -227,12 +227,12 @@ public:
 
     const char* name() const override { return "DefaultPathBatch"; }
 
-    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->setKnownSingleComponent(this->coverage());
+        color->setKnownFourComponents(fGeoData[0].fColor);
+        coverage->setKnownSingleComponent(this->coverage());
+        *usePLSDstRead = false;
     }
 
 private: