New API for computing optimization invariants.

src/gpu/batches/GrTestBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTestBatch_DEFINED
 #define GrTestBatch_DEFINED
 
 #include "GrBatchFlushState.h"
 #include "GrGeometryProcessor.h"
 #include "GrVertexBuffer.h"
 
 #include "batches/GrVertexBatch.h"
 
 /*
  * A simple batch only for testing purposes which actually doesn't batch at all, but can fit into
  * the batch pipeline and generate arbitrary geometry
  */
 class GrTestBatch : public GrVertexBatch {
 public:
     struct Geometry {
         GrColor fColor;
     };
 
     virtual const char* name() const override = 0;
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
+    void computePipelineOptimizations(GrInitInvariantOutput* color, 
+                                      GrInitInvariantOutput* coverage,
+                                      GrBatchToXPOverrides* overrides) const override {
         // When this is called on a batch, there is only one geometry bundle
-        out->setKnownFourComponents(this->geoData(0)->fColor);
+        color->setKnownFourComponents(this->geoData(0)->fColor);
+        coverage->setUnknownSingleComponent();
+        overrides->fUsePLSDstRead = false;
     }
 
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
-        out->setUnknownSingleComponent();
-    }
-
-    void initBatchTracker(const GrPipelineOptimizations& opt) override {
+    void initBatchTracker(const GrXPOverridesForBatch& overrides) override {
         // Handle any color overrides
-        if (!opt.readsColor()) {
+        if (!overrides.readsColor()) {
             this->geoData(0)->fColor = GrColor_ILLEGAL;
         }
-        opt.getOverrideColorIfSet(&this->geoData(0)->fColor);
+        overrides.getOverrideColorIfSet(&this->geoData(0)->fColor);
 
         // setup batch properties
-        fBatch.fColorIgnored = !opt.readsColor();
+        fBatch.fColorIgnored = !overrides.readsColor();
         fBatch.fColor = this->geoData(0)->fColor;
-        fBatch.fUsesLocalCoords = opt.readsLocalCoords();
-        fBatch.fCoverageIgnored = !opt.readsCoverage();
+        fBatch.fUsesLocalCoords = overrides.readsLocalCoords();
+        fBatch.fCoverageIgnored = !overrides.readsCoverage();
     }
 
 protected:
     GrTestBatch(uint32_t classID, const GrGeometryProcessor* gp, const SkRect& bounds)
         : INHERITED(classID) {
         fGeometryProcessor.reset(SkRef(gp));
 
         this->setBounds(bounds);
     }
 
@@ skipping 21 matching lines @@
         bool fCoverageIgnored;
     };
 
     SkAutoTUnref<const GrGeometryProcessor> fGeometryProcessor;
     BatchTracker fBatch;
 
     typedef GrVertexBatch INHERITED;
 };
 
 #endif