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Diffstat (limited to 'src/gpu/batches/GrAAFillRectBatch.h')
-rw-r--r-- | src/gpu/batches/GrAAFillRectBatch.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/gpu/batches/GrAAFillRectBatch.h b/src/gpu/batches/GrAAFillRectBatch.h new file mode 100644 index 0000000000..c852eb1002 --- /dev/null +++ b/src/gpu/batches/GrAAFillRectBatch.h @@ -0,0 +1,91 @@ +/* + * 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 |