Mir
mirbuffer.h
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1 /*
2  * Copyright © 2017-2020 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 
17 #ifndef MIROIL_GLBUFFER_H
18 #define MIROIL_GLBUFFER_H
19 
20 #include <mir/geometry/size.h>
21 #include <mir/version.h>
22 #include <memory>
23 
24 #include <GL/gl.h>
25 
26 namespace mir { namespace graphics { class Buffer; }}
27 
28 namespace miroil
29 {
30 class GLBuffer
31 {
32 public:
35  explicit GLBuffer(std::shared_ptr<mir::graphics::Buffer> const& buffer);
36 
37  operator bool() const;
38  bool has_alpha_channel() const;
40 
41  void reset();
42  void reset(std::shared_ptr<mir::graphics::Buffer> const& buffer);
43  void bind();
44 #if MIR_SERVER_VERSION < MIR_VERSION_NUMBER(2, 3, 0)
45  void gl_bind_tex();
46 #endif
47 
48 private:
49  void init();
50  void destroy();
51 
52  std::shared_ptr<mir::graphics::Buffer> wrapped;
53  GLuint m_textureId;
54 #if MIR_SERVER_VERSION < MIR_VERSION_NUMBER(2, 3, 0)
55  bool m_isOldTex = false;
56  bool m_inited = false;
57 #endif
58 };
59 }
60 
61 #endif //MIROIL_GLBUFFER_H
Definition: mirbuffer.h:31
bool has_alpha_channel() const
mir::geometry::Size size() const
void reset(std::shared_ptr< mir::graphics::Buffer > const &buffer)
GLBuffer(std::shared_ptr< mir::graphics::Buffer > const &buffer)
Definition: splash_session.h:24
Definition: compositor.h:21
Definition: size.h:32

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Generated on Thu Feb 24 23:57:55 UTC 2022
This documentation is licensed under the GPL version 2 or 3.