move Stroke Rect and AAFill Rect to their own file

src/gpu/batches/GrAAStrokeRectBatch.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 GrAAStrokeRectBatch_DEFINED
+#define GrAAStrokeRectBatch_DEFINED
+
+#include "GrBatch.h"
+#include "GrColor.h"
+#include "GrTypes.h"
+#include "SkMatrix.h"
+#include "SkRect.h"
+
+class GrAAStrokeRectBatch : public GrBatch {
+public:
+    // TODO support AA rotated stroke rects by copying around view matrices
+    struct Geometry {
+        GrColor fColor;
+        SkRect fDevOutside;
+        SkRect fDevOutsideAssist;
+        SkRect fDevInside;
+        bool fMiterStroke;
+    };
+
+    static GrBatch* Create(const Geometry& geometry, const SkMatrix& viewMatrix) {
+        return SkNEW_ARGS(GrAAStrokeRectBatch, (geometry, viewMatrix));
+    }
+
+    const char* name() const override { return "AAStrokeRect"; }
+
+    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 GrPipelineInfo& init) override;
+
+    void generateGeometry(GrBatchTarget* batchTarget) override;
+
+    SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
+
+private:
+    GrAAStrokeRectBatch(const Geometry& geometry, const SkMatrix& viewMatrix)  {
+        this->initClassID<GrAAStrokeRectBatch>();
+        fBatch.fViewMatrix = viewMatrix;
+        fGeoData.push_back(geometry);
+
+        // If we have miterstroke then we inset devOutside and outset devOutsideAssist, so we need
+        // the join for proper bounds
+        fBounds = geometry.fDevOutside;
+        fBounds.join(geometry.fDevOutsideAssist);
+    }
+
+
+    static const int kMiterIndexCnt = 3 * 24;
+    static const int kMiterVertexCnt = 16;
+    static const int kNumMiterRectsInIndexBuffer = 256;
+
+    static const int kBevelIndexCnt = 48 + 36 + 24;
+    static const int kBevelVertexCnt = 24;
+    static const int kNumBevelRectsInIndexBuffer = 256;
+
+    static const GrIndexBuffer* GetIndexBuffer(GrResourceProvider* resourceProvider,
+                                               bool miterStroke);
+
+    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 fBatch.fViewMatrix; }
+    bool miterStroke() const { return fBatch.fMiterStroke; }
+    bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
+
+    bool onCombineIfPossible(GrBatch* t) override;
+
+    void generateAAStrokeRectGeometry(void* vertices,
+                                      size_t offset,
+                                      size_t vertexStride,
+                                      int outerVertexNum,
+                                      int innerVertexNum,
+                                      GrColor color,
+                                      const SkRect& devOutside,
+                                      const SkRect& devOutsideAssist,
+                                      const SkRect& devInside,
+                                      bool miterStroke,
+                                      bool tweakAlphaForCoverage) const;
+
+    struct BatchTracker {
+        SkMatrix fViewMatrix;
+        GrColor fColor;
+        bool fUsesLocalCoords;
+        bool fColorIgnored;
+        bool fCoverageIgnored;
+        bool fMiterStroke;
+        bool fCanTweakAlphaForCoverage;
+    };
+
+    BatchTracker fBatch;
+    SkSTArray<1, Geometry, true> fGeoData;
+};
+
+
+#endif