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Side by Side Diff: src/gpu/batches/GrAAStrokeRectBatch.h

Issue 1353683003: Move StrokeRectBatches into .cpp files (Closed) Base URL: https://skia.googlesource.com/skia.git@statics
Patch Set: tweaks Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef GrAAStrokeRectBatch_DEFINED 8 #ifndef GrAAStrokeRectBatch_DEFINED
9 #define GrAAStrokeRectBatch_DEFINED 9 #define GrAAStrokeRectBatch_DEFINED
10 10
11 #include "GrColor.h" 11 #include "GrColor.h"
12 #include "GrTypes.h"
13 #include "GrVertexBatch.h"
14 #include "SkMatrix.h"
15 #include "SkRect.h"
16 12
13 class GrDrawBatch;
17 class GrResourceProvider; 14 class GrResourceProvider;
15 class SkMatrix;
16 struct SkRect;
18 17
19 class GrAAStrokeRectBatch : public GrVertexBatch { 18 namespace GrAAStrokeRectBatch {
20 public:
21 DEFINE_BATCH_CLASS_ID
22 19
23 // TODO support AA rotated stroke rects by copying around view matrices 20 GrDrawBatch* Create(GrColor color,
24 struct Geometry { 21 const SkMatrix& viewMatrix,
25 GrColor fColor; 22 const SkRect& devOutside,
26 SkRect fDevOutside; 23 const SkRect& devOutsideAssist,
27 SkRect fDevOutsideAssist; 24 const SkRect& devInside,
28 SkRect fDevInside; 25 bool miterStroke);
29 bool fMiterStroke;
30 };
31 26
32 static GrDrawBatch* Create(const Geometry& geometry, const SkMatrix& viewMat rix) {
33 return new GrAAStrokeRectBatch(geometry, viewMatrix);
34 }
35
36 const char* name() const override { return "AAStrokeRect"; }
37
38 void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
39 // When this is called on a batch, there is only one geometry bundle
40 out->setKnownFourComponents(fGeoData[0].fColor);
41 }
42
43 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
44 out->setUnknownSingleComponent();
45 }
46
47 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
48
49 private:
50 void onPrepareDraws(Target*) override;
51 void initBatchTracker(const GrPipelineOptimizations&) override;
52
53 GrAAStrokeRectBatch(const Geometry& geometry, const SkMatrix& viewMatrix)
54 : INHERITED(ClassID()) {
55 fBatch.fViewMatrix = viewMatrix;
56 fGeoData.push_back(geometry);
57
58 // If we have miterstroke then we inset devOutside and outset devOutside Assist, so we need
59 // the join for proper bounds
60 fBounds = geometry.fDevOutside;
61 fBounds.join(geometry.fDevOutsideAssist);
62 }
63
64
65 static const int kMiterIndexCnt = 3 * 24;
66 static const int kMiterVertexCnt = 16;
67 static const int kNumMiterRectsInIndexBuffer = 256;
68
69 static const int kBevelIndexCnt = 48 + 36 + 24;
70 static const int kBevelVertexCnt = 24;
71 static const int kNumBevelRectsInIndexBuffer = 256;
72
73 static const GrIndexBuffer* GetIndexBuffer(GrResourceProvider* resourceProvi der,
74 bool miterStroke);
75
76 GrColor color() const { return fBatch.fColor; }
77 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
78 bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCover age; }
79 bool colorIgnored() const { return fBatch.fColorIgnored; }
80 const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; }
81 bool miterStroke() const { return fBatch.fMiterStroke; }
82 bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
83
84 bool onCombineIfPossible(GrBatch* t, const GrCaps&) override;
85
86 void generateAAStrokeRectGeometry(void* vertices,
87 size_t offset,
88 size_t vertexStride,
89 int outerVertexNum,
90 int innerVertexNum,
91 GrColor color,
92 const SkRect& devOutside,
93 const SkRect& devOutsideAssist,
94 const SkRect& devInside,
95 bool miterStroke,
96 bool tweakAlphaForCoverage) const;
97
98 struct BatchTracker {
99 SkMatrix fViewMatrix;
100 GrColor fColor;
101 bool fUsesLocalCoords;
102 bool fColorIgnored;
103 bool fCoverageIgnored;
104 bool fMiterStroke;
105 bool fCanTweakAlphaForCoverage;
106 };
107
108 BatchTracker fBatch;
109 SkSTArray<1, Geometry, true> fGeoData;
110
111 typedef GrVertexBatch INHERITED;
112 }; 27 };
113 28
114
115 #endif 29 #endif
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