1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #ifndef FLUTTER_FLOW_TEXTURE_H_ |
6 | #define FLUTTER_FLOW_TEXTURE_H_ |
7 | |
8 | #include <map> |
9 | |
10 | #include "flutter/fml/macros.h" |
11 | #include "flutter/fml/synchronization/waitable_event.h" |
12 | #include "third_party/skia/include/core/SkCanvas.h" |
13 | |
14 | class GrDirectContext; |
15 | |
16 | namespace flutter { |
17 | |
18 | class Texture { |
19 | public: |
20 | Texture(int64_t id); // Called from UI or raster thread. |
21 | virtual ~Texture(); // Called from raster thread. |
22 | |
23 | // Called from raster thread. |
24 | virtual void Paint(SkCanvas& canvas, |
25 | const SkRect& bounds, |
26 | bool freeze, |
27 | GrDirectContext* context, |
28 | SkFilterQuality quality) = 0; |
29 | |
30 | // Called from raster thread. |
31 | virtual void OnGrContextCreated() = 0; |
32 | |
33 | // Called from raster thread. |
34 | virtual void OnGrContextDestroyed() = 0; |
35 | |
36 | // Called on raster thread. |
37 | virtual void MarkNewFrameAvailable() = 0; |
38 | |
39 | // Called on raster thread. |
40 | virtual void OnTextureUnregistered() = 0; |
41 | |
42 | int64_t Id() { return id_; } |
43 | |
44 | private: |
45 | int64_t id_; |
46 | |
47 | FML_DISALLOW_COPY_AND_ASSIGN(Texture); |
48 | }; |
49 | |
50 | class TextureRegistry { |
51 | public: |
52 | TextureRegistry(); |
53 | |
54 | // Called from raster thread. |
55 | void RegisterTexture(std::shared_ptr<Texture> texture); |
56 | |
57 | // Called from raster thread. |
58 | void UnregisterTexture(int64_t id); |
59 | |
60 | // Called from raster thread. |
61 | std::shared_ptr<Texture> GetTexture(int64_t id); |
62 | |
63 | // Called from raster thread. |
64 | void OnGrContextCreated(); |
65 | |
66 | // Called from raster thread. |
67 | void OnGrContextDestroyed(); |
68 | |
69 | private: |
70 | std::map<int64_t, std::shared_ptr<Texture>> mapping_; |
71 | |
72 | FML_DISALLOW_COPY_AND_ASSIGN(TextureRegistry); |
73 | }; |
74 | |
75 | } // namespace flutter |
76 | |
77 | #endif // FLUTTER_FLOW_TEXTURE_H_ |
78 | |