Mir
texture_source.h
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1 /*
2  * Copyright © 2015 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: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_RENDERER_GL_TEXTURE_SOURCE_H_
20 #define MIR_RENDERER_GL_TEXTURE_SOURCE_H_
21 
22 namespace mir
23 {
24 namespace renderer
25 {
26 namespace gl
27 {
28 
29 //FIXME: (kdub) we're not hiding the differences in texture upload approaches between our platforms
30 // very well with this interface.
32 {
33 public:
34  virtual ~TextureSource() = default;
35 
36  // \warning deprecated, provided for convenience and legacy transition.
37  //will call bind() and then secure_for_render()
38  virtual void gl_bind_to_texture() = 0;
39  //Uploads texture.
40  virtual void bind() = 0;
41  //add synchronization points to the command stream to ensure resources
42  //are present during the draw. Will not upload texture.
43  //should be called if an already uploaded texture is reused.
44  virtual void secure_for_render() = 0;
45 
46 protected:
47  TextureSource() = default;
48  TextureSource(TextureSource const&) = delete;
49  TextureSource& operator=(TextureSource const&) = delete;
50 };
51 
52 }
53 }
54 }
55 
56 #endif
All things Mir.
Definition: atomic_callback.h:25
Definition: texture_source.h:31
virtual void secure_for_render()=0
TextureSource & operator=(TextureSource const &)=delete
virtual void gl_bind_to_texture()=0
virtual ~TextureSource()=default

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