Mir
native_buffer.h
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1 /*
2  * Copyright © 2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Kevin DuBois <kevin.dubois@canonical.com>
17  */
18 
19 #ifndef MIR_GRAPHICS_ANDROID_NATIVE_BUFFER_H_
20 #define MIR_GRAPHICS_ANDROID_NATIVE_BUFFER_H_
21 
22 #include "fence.h"
23 #include <system/window.h>
24 
25 namespace mir
26 {
27 namespace graphics
28 {
29 
30 namespace android
31 {
32 enum class BufferFlag
33 {
34  unfenced = 0,
35  fenced
36 };
37 enum class BufferAccess
38 {
39  read,
40  write
41 };
42 }
43 
45 {
46 public:
47  virtual ~NativeBuffer() = default;
48 
49  virtual ANativeWindowBuffer* anwb() const = 0;
50  virtual buffer_handle_t handle() const = 0;
51  virtual android::NativeFence copy_fence() const = 0;
52 
53  virtual void ensure_available_for(android::BufferAccess intent) = 0;
54  virtual void update_usage(android::NativeFence& fence, android::BufferAccess current_usage) = 0;
55 
56  virtual void lock_for_gpu() = 0;
57  virtual void wait_for_unlock_by_gpu() = 0;
58 
59 protected:
60  NativeBuffer() = default;
61  NativeBuffer(NativeBuffer const&) = delete;
62  NativeBuffer& operator=(NativeBuffer const&) = delete;
63 };
64 
65 }
66 }
67 
68 #endif /* MIR_GRAPHICS_ANDROID_NATIVE_BUFFER_H_ */
All things Mir.
Definition: atomic_callback.h:25
BufferAccess
Definition: native_buffer.h:37
struct MirBufferPackage NativeBuffer
Definition: native_buffer.h:35
BufferFlag
Definition: native_buffer.h:32
Definition: native_buffer.h:44
int NativeFence
Definition: fence.h:30
Definition: android_input_receiver.h:36

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