Mir
client_buffer.h
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1 /*
2  * Copyright © 2016 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:
17  * Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
18  */
19 
20 #ifndef MIR_CLIENT_EGLSTREAM_CLIENT_BUFFER_H_
21 #define MIR_CLIENT_EGLSTREAM_CLIENT_BUFFER_H_
22 
23 #include "mir/aging_buffer.h"
25 #include "mir/geometry/rectangle.h"
26 
27 #include <memory>
28 
29 namespace mir
30 {
31 namespace client
32 {
33 namespace eglstream
34 {
35 
36 class ClientBuffer : public AgingBuffer
37 {
38 public:
40  std::shared_ptr<MirBufferPackage> const& buffer_package,
42  MirPixelFormat pf);
43 
44  ~ClientBuffer() noexcept;
45 
46  std::shared_ptr<MemoryRegion> secure_for_cpu_write();
47  geometry::Size size() const;
48  geometry::Stride stride() const;
50  std::shared_ptr<MirNativeBuffer> native_buffer_handle() const;
51  void update_from(MirBufferPackage const&);
55  MirNativeFence* get_fence() const;
56  bool wait_fence(MirBufferAccess, std::chrono::nanoseconds timeout);
57 
58 private:
59  std::shared_ptr<MirBufferPackage> const creation_package;
60  geometry::Rectangle const rect;
61  MirPixelFormat const buffer_pf;
62 };
63 
64 }
65 }
66 }
67 #endif /* MIR_CLIENT_EGLSTREAM_CLIENT_BUFFER_H_ */
Definition: size.h:30
All things Mir.
Definition: atomic_callback.h:25
void update_from(MirBufferPackage const &)
void * MirNativeFence
Definition: client_types_nbs.h:34
MirPixelFormat pixel_format() const
MirNativeBuffer * as_mir_native_buffer() const
Definition: client_buffer.h:36
Definition: mir_native_buffer.h:30
void fill_update_msg(MirBufferPackage &)
MirBufferAccess
Definition: client_types_nbs.h:38
MirNativeFence * get_fence() const
MirPixelFormat
32-bit pixel formats (8888): The order of components in the enum matches the order of the components ...
Definition: common.h:134
void set_fence(MirNativeFence *, MirBufferAccess)
bool wait_fence(MirBufferAccess, std::chrono::nanoseconds timeout)
Definition: rectangle.h:33
geometry::Stride stride() const
Definition: aging_buffer.h:29
std::shared_ptr< MemoryRegion > secure_for_cpu_write()
geometry::Size size() const
std::shared_ptr< MirNativeBuffer > native_buffer_handle() const
Definition: dimensions.h:36

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