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-rw-r--r--src/gpu/batches/GrAAFillRectBatch.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/gpu/batches/GrAAFillRectBatch.h b/src/gpu/batches/GrAAFillRectBatch.h
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+++ b/src/gpu/batches/GrAAFillRectBatch.h
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+/*
+ * 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;
+ };
+
+ static GrBatch* Create(const Geometry& geometry) {
+ return SkNEW_ARGS(GrAAFillRectBatch, (geometry));
+ }
+
+ const char* name() const override { return "AAFillRectBatch"; }
+
+ 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:
+ 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