1/*
2 * Copyright 2020 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 GrSmallPathShapeData_DEFINED
9#define GrSmallPathShapeData_DEFINED
10
11#include "src/core/SkOpts.h"
12#include "src/gpu/GrDrawOpAtlas.h"
13
14class GrStyledShape;
15
16class GrSmallPathShapeDataKey {
17public:
18 // TODO: add a move variant
19 GrSmallPathShapeDataKey(const GrSmallPathShapeDataKey& that) {
20 fKey.reset(that.fKey.count());
21 memcpy(fKey.get(), that.fKey.get(), fKey.count() * sizeof(uint32_t));
22 }
23
24 GrSmallPathShapeDataKey& operator=(const GrSmallPathShapeDataKey&) = delete;
25
26 // for SDF paths
27 GrSmallPathShapeDataKey(const GrStyledShape&, uint32_t dim);
28
29 // for bitmap paths
30 GrSmallPathShapeDataKey(const GrStyledShape&, const SkMatrix& ctm);
31
32 bool operator==(const GrSmallPathShapeDataKey & that) const {
33 return fKey.count() == that.fKey.count() &&
34 0 == memcmp(fKey.get(), that.fKey.get(), sizeof(uint32_t) * fKey.count());
35 }
36
37 int count32() const { return fKey.count(); }
38 const uint32_t* data() const { return fKey.get(); }
39
40private:
41 // The key is composed of the GrStyledShape's key, and either the dimensions of the DF
42 // generated for the path (32x32 max, 64x64 max, 128x128 max) if an SDF image or
43 // the matrix for the path with only fractional translation.
44 SkAutoSTArray<24, uint32_t> fKey;
45};
46
47class GrSmallPathShapeData {
48public:
49 GrSmallPathShapeData(const GrSmallPathShapeDataKey& key) : fKey(key) {}
50
51 const GrSmallPathShapeDataKey fKey;
52 SkRect fBounds;
53 GrDrawOpAtlas::AtlasLocator fAtlasLocator;
54
55 SK_DECLARE_INTERNAL_LLIST_INTERFACE(GrSmallPathShapeData);
56
57 static inline const GrSmallPathShapeDataKey& GetKey(const GrSmallPathShapeData& data) {
58 return data.fKey;
59 }
60
61 static inline uint32_t Hash(const GrSmallPathShapeDataKey& key) {
62 return SkOpts::hash(key.data(), sizeof(uint32_t) * key.count32());
63 }
64};
65
66#endif
67