jvanverth | 14b8803 | 2015-08-07 12:18:54 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef GrDrawAtlasBatch_DEFINED |
| 9 | #define GrDrawAtlasBatch_DEFINED |
| 10 | |
| 11 | #include "GrBatch.h" |
| 12 | #include "GrColor.h" |
| 13 | #include "GrDefaultGeoProcFactory.h" |
| 14 | |
| 15 | class GrDrawAtlasBatch : public GrBatch { |
| 16 | public: |
| 17 | struct Geometry { |
| 18 | GrColor fColor; |
| 19 | SkTDArray<SkPoint> fPositions; |
| 20 | SkTDArray<GrColor> fColors; |
| 21 | SkTDArray<SkPoint> fLocalCoords; |
| 22 | }; |
| 23 | |
| 24 | static GrBatch* Create(const Geometry& geometry, const SkMatrix& viewMatrix, |
| 25 | const SkPoint* positions, int vertexCount, |
| 26 | const GrColor* colors, const SkPoint* localCoords, |
| 27 | const SkRect& bounds) { |
| 28 | return SkNEW_ARGS(GrDrawAtlasBatch, (geometry, viewMatrix, positions, |
| 29 | vertexCount, colors, localCoords, bounds)); |
| 30 | } |
| 31 | |
| 32 | const char* name() const override { return "DrawAtlasBatch"; } |
| 33 | |
| 34 | void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
| 35 | // When this is called on a batch, there is only one geometry bundle |
| 36 | if (this->hasColors()) { |
| 37 | out->setUnknownFourComponents(); |
| 38 | } else { |
| 39 | out->setKnownFourComponents(fGeoData[0].fColor); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 44 | out->setKnownSingleComponent(0xff); |
| 45 | } |
| 46 | |
| 47 | void initBatchTracker(const GrPipelineInfo& init) override; |
| 48 | void generateGeometry(GrBatchTarget* batchTarget) override; |
| 49 | |
| 50 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 51 | |
| 52 | private: |
| 53 | GrDrawAtlasBatch(const Geometry& geometry, const SkMatrix& viewMatrix, |
| 54 | const SkPoint* positions, int vertexCount, |
| 55 | const GrColor* colors, const SkPoint* localCoords, const SkRect& bounds); |
| 56 | |
| 57 | GrColor color() const { return fColor; } |
| 58 | bool colorIgnored() const { return fColorIgnored; } |
| 59 | const SkMatrix& viewMatrix() const { return fViewMatrix; } |
| 60 | bool hasColors() const { return fHasColors; } |
| 61 | int vertexCount() const { return fVertexCount; } |
| 62 | bool coverageIgnored() const { return fCoverageIgnored; } |
| 63 | |
| 64 | bool onCombineIfPossible(GrBatch* t) override; |
| 65 | SkSTArray<1, Geometry, true> fGeoData; |
| 66 | |
| 67 | SkMatrix fViewMatrix; |
| 68 | GrColor fColor; |
| 69 | int fVertexCount; |
| 70 | bool fColorIgnored; |
| 71 | bool fCoverageIgnored; |
| 72 | bool fHasColors; |
| 73 | }; |
| 74 | |
| 75 | #endif |