Move AAFillRect into CPP for templatization

src/gpu/batches/GrAAFillRectBatch.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 GrAAFillRectBatch_DEFINED
 #define GrAAFillRectBatch_DEFINED
 
-#include "GrBatch.h"
 #include "GrColor.h"
-#include "GrTypes.h"
-#include "SkMatrix.h"
-#include "SkRect.h"
 
-class GrAAFillRectBatch : public GrBatch {
-public:
-    struct Geometry {
-        GrColor fColor;
-        SkMatrix fViewMatrix;
-        SkRect fRect;
-        SkRect fDevRect;
-    };
+class GrBatch;
+class SkMatrix;
+struct SkRect;
 
-    static GrBatch* Create(const Geometry& geometry) {
-        return SkNEW_ARGS(GrAAFillRectBatch, (geometry));
-    }
+namespace GrAAFillRectBatch {
 
-    const char* name() const override { return "AAFillRectBatch"; }
+GrBatch* Create(GrColor color,
+                const SkMatrix& viewMatrix,
+                const SkRect& rect,
+                const SkRect& devRect);
 
-    void getInvariantOutputColor(GrInitInvariantOutput* out) 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();
-    }
-
-    void initBatchTracker(const GrPipelineOptimizations&) override;
-
-    void generateGeometry(GrBatchTarget* batchTarget) override;
-
-    SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
-
-private:
-    GrAAFillRectBatch(const Geometry& geometry) {
-        this->initClassID<GrAAFillRectBatch>();
-        fGeoData.push_back(geometry);
-
-        this->setBounds(geometry.fDevRect);
-    }
-
-    static const int kNumAAFillRectsInIndexBuffer = 256;
-    static const int kVertsPerAAFillRect = 8;
-    static const int kIndicesPerAAFillRect = 30;
-
-    const GrIndexBuffer* getIndexBuffer(GrResourceProvider* resourceProvider);
-
-    GrColor color() const { return fBatch.fColor; }
-    bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
-    bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCoverage; }
-    bool colorIgnored() const { return fBatch.fColorIgnored; }
-    const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; }
-    bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
-
-    bool onCombineIfPossible(GrBatch* t) override;
-
-    void generateAAFillRectGeometry(void* vertices,
-                                    size_t offset,
-                                    size_t vertexStride,
-                                    GrColor color,
-                                    const SkMatrix& viewMatrix,
-                                    const SkRect& rect,
-                                    const SkRect& devRect,
-                                    bool tweakAlphaForCoverage) const;
-
-    struct BatchTracker {
-        GrColor fColor;
-        bool fUsesLocalCoords;
-        bool fColorIgnored;
-        bool fCoverageIgnored;
-        bool fCanTweakAlphaForCoverage;
-    };
-
-    BatchTracker fBatch;
-    SkSTArray<1, Geometry, true> fGeoData;
 };
 
 #endif