Mir
gl_texture_cache.h
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1 /*
2  * Copyright © 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 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: Daniel van Vugt <daniel.van.vugt@canonical.com>
17  * Kevin DuBois <kevin.dubois@canonical.com>
18  */
19 
20 #ifndef MIR_GRAPHICS_GL_TEXTURE_CACHE_H_
21 #define MIR_GRAPHICS_GL_TEXTURE_CACHE_H_
22 
24 
25 namespace mir
26 {
27 namespace graphics
28 {
29 class GLTexture;
31 {
32 public:
33  virtual ~GLTextureCache() = default;
34 
43  virtual std::shared_ptr<GLTexture> load(Renderable const&) = 0;
44 
51  virtual void invalidate() = 0;
52 
57  virtual void drop_unused() = 0;
58 
59 protected:
60  GLTextureCache() = default;
61 private:
62  GLTextureCache(GLTextureCache const&) = delete;
63  GLTextureCache& operator=(GLTextureCache const&) = delete;
64 };
65 }
66 }
67 #endif /* MIR_GRAPHICS_GL_TEXTURE_CACHE_H_ */
virtual void invalidate()=0
Mark all entries in the cache as out-of-date to ensure fresh textures are loaded next time...
All things Mir.
Definition: buffer_stream.h:37
virtual ~GLTextureCache()=default
virtual void drop_unused()=0
Free textures that were not used (loaded) since the last drop/invalidate.
Definition: renderable.h:33
virtual std::shared_ptr< GLTexture > load(Renderable const &)=0
Loads texture from the renderable.
Definition: gl_texture_cache.h:30

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