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buffer_stream.h
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1 /*
2  * Copyright © 2012-2014 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_STREAM_H_
21 #define MIR_COMPOSITOR_BUFFER_STREAM_H_
22 
23 #include "mir/geometry/size.h"
24 #include "mir_toolkit/common.h"
25 #include "mir/graphics/buffer_id.h"
26 
27 #include <memory>
28 
29 namespace mir
30 {
31 namespace graphics
32 {
33 class Buffer;
34 }
35 
36 namespace compositor
37 {
38 
40 {
41 public:
42  virtual ~BufferStream() = default;
43 
44  virtual void acquire_client_buffer(
45  std::function<void(graphics::Buffer* buffer)> complete) = 0;
46  virtual void release_client_buffer(graphics::Buffer* buf) = 0;
47  virtual std::shared_ptr<graphics::Buffer>
48  lock_compositor_buffer(void const* user_id) = 0;
49  virtual std::shared_ptr<graphics::Buffer> lock_snapshot_buffer() = 0;
51  virtual geometry::Size stream_size() = 0;
52  virtual void resize(geometry::Size const& size) = 0;
53  virtual void allow_framedropping(bool) = 0;
54  virtual void force_requests_to_complete() = 0;
55  virtual int buffers_ready_for_compositor() const = 0;
56  virtual void drop_old_buffers() = 0;
57 };
58 
59 }
60 }
61 
62 #endif /* MIR_COMPOSITOR_BUFFER_STREAM_H_ */
Definition: size.h:30
All things Mir.
Definition: aging_buffer.h:24
Definition: buffer_stream.h:39
virtual void drop_old_buffers()=0
virtual MirPixelFormat get_stream_pixel_format()=0
virtual void resize(geometry::Size const &size)=0
virtual ~BufferStream()=default
virtual void allow_framedropping(bool)=0
virtual std::shared_ptr< graphics::Buffer > lock_compositor_buffer(void const *user_id)=0
virtual void force_requests_to_complete()=0
MirPixelFormat
The order of components in a format enum matches the order of the components as they would be written...
Definition: common.h:119
virtual void release_client_buffer(graphics::Buffer *buf)=0
virtual int buffers_ready_for_compositor() const =0
virtual std::shared_ptr< graphics::Buffer > lock_snapshot_buffer()=0
virtual void acquire_client_buffer(std::function< void(graphics::Buffer *buffer)> complete)=0
Definition: buffer.h:34
int const size
Definition: make_socket_rpc_channel.cpp:51
virtual geometry::Size stream_size()=0

Copyright © 2012,2013 Canonical Ltd.
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