New API for computing optimization invariants.

src/gpu/effects/GrDashingEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDashingEffect.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 251 matching lines @@
         GrColor fColor;
     };
 
     static GrDrawBatch* Create(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode,
                                bool fullDash) {
         return new DashBatch(geometry, cap, aaMode, fullDash);
     }
 
     const char* name() const override { return "DashBatch"; }
 
-    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(fGeoData[0].fColor);
-    }
-    void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
-        out->setUnknownSingleComponent();
+        color->setKnownFourComponents(fGeoData[0].fColor);
+        coverage->setUnknownSingleComponent();
+        overrides->fUsePLSDstRead = false;
     }
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, bool fullDash)
         : INHERITED(ClassID()) {
         fGeoData.push_back(geometry);
 
         fBatch.fAAMode = aaMode;
         fBatch.fCap = cap;
         fBatch.fFullDash = fullDash;
 
         // compute bounds
         SkScalar halfStrokeWidth = 0.5f * geometry.fSrcStrokeWidth;
         SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth;
         fBounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]);
         fBounds.outset(xBloat, halfStrokeWidth);
 
         // Note, we actually create the combined matrix here, and save the work
         SkMatrix& combinedMatrix = fGeoData[0].fSrcRotInv;
         combinedMatrix.postConcat(geometry.fViewMatrix);
         combinedMatrix.mapRect(&fBounds);
     }
 
-    void initBatchTracker(const GrPipelineOptimizations& opt) override {
+    void initBatchTracker(const GrXPOverridesForBatch& overrides) override {
         // Handle any color overrides
-        if (!opt.readsColor()) {
+        if (!overrides.readsColor()) {
             fGeoData[0].fColor = GrColor_ILLEGAL;
         }
-        opt.getOverrideColorIfSet(&fGeoData[0].fColor);
+        overrides.getOverrideColorIfSet(&fGeoData[0].fColor);
 
         // setup batch properties
-        fBatch.fColorIgnored = !opt.readsColor();
+        fBatch.fColorIgnored = !overrides.readsColor();
         fBatch.fColor = fGeoData[0].fColor;
-        fBatch.fUsesLocalCoords = opt.readsLocalCoords();
-        fBatch.fCoverageIgnored = !opt.readsCoverage();
+        fBatch.fUsesLocalCoords = overrides.readsLocalCoords();
+        fBatch.fCoverageIgnored = !overrides.readsCoverage();
     }
 
     struct DashDraw {
         SkScalar fStartOffset;
         SkScalar fStrokeWidth;
         SkScalar fLineLength;
         SkScalar fHalfDevStroke;
         SkScalar fDevBloatX;
         SkScalar fDevBloatY;
         bool fLineDone;
@@ skipping 971 matching lines @@
     info.fIntervals = intervals;
     info.fCount = 2;
     info.fPhase = phase;
     SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info);
     SkASSERT(success);
 
     return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT);
 }
 
 #endif