Mir
graphic_buffer_allocator.h
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1 /*
2  * Copyright © 2012 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_GRAPHIC_BUFFER_ALLOCATOR_H_
20 #define MIR_GRAPHICS_GRAPHIC_BUFFER_ALLOCATOR_H_
21 
22 #include "mir/graphics/buffer.h"
23 
24 #include <vector>
25 #include <memory>
26 
27 namespace mir
28 {
29 namespace graphics
30 {
31 
32 struct BufferProperties;
33 
38 {
39 public:
40  virtual ~GraphicBufferAllocator() = default;
41 
47  virtual std::shared_ptr<Buffer> alloc_buffer(BufferProperties const& buffer_properties) = 0;
48 
55  virtual std::vector<MirPixelFormat> supported_pixel_formats() = 0;
56 
60  virtual std::shared_ptr<Buffer> alloc_buffer(
61  geometry::Size size, uint32_t native_format, uint32_t native_flags) = 0;
62 
67  virtual std::shared_ptr<Buffer> alloc_software_buffer(geometry::Size size, MirPixelFormat) = 0;
68 
69 
70 protected:
71  GraphicBufferAllocator() = default;
74 };
75 
76 }
77 }
78 #endif // MIR_GRAPHICS_GRAPHIC_BUFFER_ALLOCATOR_H_
Definition: size.h:30
Interface to graphic buffer allocation.
Definition: graphic_buffer_allocator.h:37
Definition: as_render_target.h:27
MirPixelFormat
32-bit pixel formats (8888): The order of components in the enum matches the order of the components ...
Definition: common.h:241
virtual std::vector< MirPixelFormat > supported_pixel_formats()=0
The supported buffer pixel formats.
GraphicBufferAllocator & operator=(const GraphicBufferAllocator &)=delete
virtual std::shared_ptr< Buffer > alloc_buffer(BufferProperties const &buffer_properties)=0
Allocates a buffer.
virtual std::shared_ptr< Buffer > alloc_software_buffer(geometry::Size size, MirPixelFormat)=0
allocates a &#39;software&#39; (cpu-accessible) buffer note: mesa and eglstreams use ShmBuffer, android uses ANW with software usage bits.
Buffer creation properties.
Definition: buffer_properties.h:48

Copyright © 2012-2016 Canonical Ltd.
Generated on Fri Dec 20 06:52:43 UTC 2019