New API for computing optimization invariants.

src/gpu/batches/GrNinePatch.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrNinePatch.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 56 matching lines @@
                         fGeoData[i].fCenter.fLeft, fGeoData[i].fCenter.fTop,
                         fGeoData[i].fCenter.fRight, fGeoData[i].fCenter.fBottom,
                         fGeoData[i].fDst.fLeft, fGeoData[i].fDst.fTop,
                         fGeoData[i].fDst.fRight, fGeoData[i].fDst.fBottom);
         }
 
         str.append(INHERITED::dumpInfo());
         return str;
     }
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
-        out->setUnknownFourComponents();
-    }
-
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
-        out->setKnownSingleComponent(0xff);
+    void computePipelineOptimizations(GrInitInvariantOutput* color, 
+                                      GrInitInvariantOutput* coverage,
+                                      GrBatchToXPOverrides* overrides) const override {
+        color->setUnknownFourComponents();
+        coverage->setKnownSingleComponent(0xff);
+        overrides->fUsePLSDstRead = false;
     }
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     void onPrepareDraws(Target* target) override {
-        SkAutoTUnref<const GrGeometryProcessor> gp(create_gp(fOpts.readsCoverage()));
+        SkAutoTUnref<const GrGeometryProcessor> gp(create_gp(fOverrides.readsCoverage()));
         if (!gp) {
             SkDebugf("Couldn't create GrGeometryProcessor\n");
             return;
         }
 
         target->initDraw(gp, this->pipeline());
 
         size_t vertexStride = gp->getVertexStride();
         int instanceCount = fGeoData.count();
 
@@ skipping 35 matching lines @@
                 for (int j = 0; j < 4; ++j) {
                     *vertColor = geo.fColor;
                     vertColor = (GrColor*) ((intptr_t) vertColor + vertexStride);
                 }
                 verts += kVertsPerRect * vertexStride;
             }
         }
         helper.recordDraw(target);
     }
 
-    void initBatchTracker(const GrPipelineOptimizations& opt) override {
-        opt.getOverrideColorIfSet(&fGeoData[0].fColor);
-        fOpts = opt;
+    void initBatchTracker(const GrXPOverridesForBatch& overrides) override {
+        overrides.getOverrideColorIfSet(&fGeoData[0].fColor);
+        fOverrides = overrides;
     }
 
     bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
         GrNonAANinePatchBatch* that = t->cast<GrNonAANinePatchBatch>();
         if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),
                                     that->bounds(), caps)) {
             return false;
         }
 
         SkASSERT(this->fImageWidth == that->fImageWidth &&
                  this->fImageHeight == that->fImageHeight);
 
         // In the event of two batches, one who can tweak, one who cannot, we just fall back to
         // not tweaking
-        if (fOpts.canTweakAlphaForCoverage() && !that->fOpts.canTweakAlphaForCoverage()) {
-            fOpts = that->fOpts;
+        if (fOverrides.canTweakAlphaForCoverage() && !that->fOverrides.canTweakAlphaForCoverage()) {
+            fOverrides = that->fOverrides;
         }
 
         fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin());
         this->joinBounds(that->bounds());
         return true;
     }
 
-    GrPipelineOptimizations fOpts;
+    GrXPOverridesForBatch fOverrides;
     int fImageWidth;
     int fImageHeight;
     SkSTArray<1, Geometry, true> fGeoData;
 
     typedef GrVertexBatch INHERITED;
 };
 
 namespace GrNinePatch {
 GrDrawBatch* CreateNonAA(GrColor color, const SkMatrix& viewMatrix, int imageWidth, int imageHeight,
                          const SkIRect& center, const SkRect& dst) {
     return new GrNonAANinePatchBatch(color, viewMatrix, imageWidth, imageHeight, center, dst);
 }
 };