1/*
2 * Copyright 2020 Google LLC.
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 GrFinishCallbacks_DEFINED
9#define GrFinishCallbacks_DEFINED
10
11#include "include/gpu/GrTypes.h"
12#include "include/private/GrTypesPriv.h"
13
14#include <list>
15
16class GrGpu;
17
18/**
19 * Maintains a list of callbacks to be called when work on the GPU is complete.
20 */
21
22class GrFinishCallbacks {
23public:
24 GrFinishCallbacks(GrGpu* gpu);
25 ~GrFinishCallbacks();
26
27 /**
28 * Call all the callbacks in the list. This will block until all work is done.
29 *
30 * @param doDelete delete the contained fence object.
31 */
32 void callAll(bool doDelete);
33
34 /**
35 * Add a new callback to the list.
36 *
37 * @param finishedProc The function to call when GPU work is complete.
38 * @param finishedContext The context object to pass back to the callback.
39 */
40 void add(GrGpuFinishedProc finishedProc, GrGpuFinishedContext finishedContext);
41
42 /**
43 * Check if any GPU work is complete, and call the associated callbacks.
44 * This call is non-blocking.
45 */
46 void check();
47
48 /**
49 * Returns true if the callback list is empty.
50 */
51 bool empty() const { return fCallbacks.empty(); }
52
53private:
54 struct FinishCallback {
55 GrGpuFinishedProc fCallback;
56 GrGpuFinishedContext fContext;
57 GrFence fFence;
58 };
59
60 GrGpu* fGpu;
61 std::list<FinishCallback> fCallbacks;
62};
63
64#endif
65