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_SURFACE_FRAME_H_ |
6 | #define FLUTTER_FLOW_SURFACE_FRAME_H_ |
7 | |
8 | #include <memory> |
9 | |
10 | #include "flutter/flow/gl_context_switch.h" |
11 | #include "flutter/fml/macros.h" |
12 | #include "third_party/skia/include/core/SkCanvas.h" |
13 | #include "third_party/skia/include/core/SkSurface.h" |
14 | |
15 | namespace flutter { |
16 | |
17 | // This class represents a frame that has been fully configured for the |
18 | // underlying client rendering API. A frame may only be submitted once. |
19 | class SurfaceFrame { |
20 | public: |
21 | using SubmitCallback = |
22 | std::function<bool(const SurfaceFrame& surface_frame, SkCanvas* canvas)>; |
23 | |
24 | SurfaceFrame(sk_sp<SkSurface> surface, |
25 | bool supports_readback, |
26 | const SubmitCallback& submit_callback); |
27 | |
28 | SurfaceFrame(sk_sp<SkSurface> surface, |
29 | bool supports_readback, |
30 | const SubmitCallback& submit_callback, |
31 | std::unique_ptr<GLContextResult> context_result); |
32 | |
33 | ~SurfaceFrame(); |
34 | |
35 | bool Submit(); |
36 | |
37 | bool IsSubmitted() const; |
38 | |
39 | SkCanvas* SkiaCanvas(); |
40 | |
41 | sk_sp<SkSurface> SkiaSurface() const; |
42 | |
43 | bool supports_readback() { return supports_readback_; } |
44 | |
45 | private: |
46 | bool submitted_ = false; |
47 | sk_sp<SkSurface> surface_; |
48 | bool supports_readback_; |
49 | SubmitCallback submit_callback_; |
50 | std::unique_ptr<GLContextResult> context_result_; |
51 | |
52 | bool PerformSubmit(); |
53 | |
54 | FML_DISALLOW_COPY_AND_ASSIGN(SurfaceFrame); |
55 | }; |
56 | |
57 | } // namespace flutter |
58 | |
59 | #endif // FLUTTER_FLOW_SURFACE_FRAME_H_ |
60 |