Mir
buffer_bundle.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 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 General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by:
17  * Kevin DuBois <kevin.dubois@canonical.com>
18  */
19 
20 #ifndef MIR_COMPOSITOR_BUFFER_BUNDLE_H_
21 #define MIR_COMPOSITOR_BUFFER_BUNDLE_H_
22 
24 #include <memory>
25 
26 namespace mir
27 {
28 namespace graphics { class Buffer; struct BufferProperties; }
29 
30 namespace compositor
31 {
32 
34 {
35 public:
47  virtual std::shared_ptr<graphics::Buffer>
48  compositor_acquire(void const* user_id) = 0;
49  virtual void compositor_release(std::shared_ptr<graphics::Buffer> const&) = 0;
50  virtual std::shared_ptr<graphics::Buffer> snapshot_acquire() = 0;
51  virtual void snapshot_release(std::shared_ptr<graphics::Buffer> const&) = 0;
52  virtual ~BufferAcquisition() = default;
53 
54 protected:
55  BufferAcquisition() = default;
56  BufferAcquisition(BufferAcquisition const&) = delete;
57  BufferAcquisition& operator=(BufferAcquisition const&) = delete;
58 };
59 
61 {
62 public:
63  virtual ~BufferBundle() noexcept {}
64  virtual void client_acquire(std::function<void(graphics::Buffer* buffer)> complete) = 0;
65  virtual void client_release(graphics::Buffer*) = 0;
66 
67  virtual graphics::BufferProperties properties() const = 0;
68  virtual void allow_framedropping(bool dropping_allowed) = 0;
69  virtual void force_requests_to_complete() = 0;
70  virtual void resize(const geometry::Size &newsize) = 0;
71  virtual int buffers_ready_for_compositor(void const* user_id) const = 0;
72 
79  virtual int buffers_free_for_client() const = 0;
80  virtual void drop_old_buffers() = 0;
81  virtual void drop_client_requests() = 0;
82 
83 protected:
84  BufferBundle() = default;
85  BufferBundle(BufferBundle const&) = delete;
86  BufferBundle& operator=(BufferBundle const&) = delete;
87 };
88 }
89 }
90 
91 #endif /*MIR_COMPOSITOR_BUFFER_BUNDLE_H_*/
Definition: size.h:30
All things Mir.
Definition: atomic_callback.h:25
Definition: buffer_bundle.h:60
virtual ~BufferBundle() noexcept
Definition: buffer_bundle.h:63
Definition: buffer_bundle.h:33
Buffer creation properties.
Definition: buffer_properties.h:48
Definition: buffer.h:44

Copyright © 2012-2015 Canonical Ltd.
Generated on Wed Mar 30 00:29:56 UTC 2016