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renderer.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 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  * Authored by: Thomas Voss <thomas.voss@canonical.com>
17  */
18 
19 #ifndef MIR_COMPOSITOR_RENDERER_H_
20 #define MIR_COMPOSITOR_RENDERER_H_
21 
22 #include "mir/geometry/rectangle.h"
23 
24 namespace mir
25 {
26 namespace graphics
27 {
28 class Buffer;
29 class Renderable;
30 }
31 namespace compositor
32 {
33 
34 class Renderer
35 {
36 public:
37  virtual ~Renderer() = default;
38 
39  virtual void set_viewport(geometry::Rectangle const& rect) = 0;
40  virtual void set_rotation(float degrees) = 0;
41  virtual void begin() const = 0;
42 
43  // XXX The buffer parameter here could now be replaced with
44  // renderable::buffer().
45  virtual void render(graphics::Renderable const& renderable,
46  graphics::Buffer& buffer) const = 0;
47  virtual void end() const = 0;
48 
49  virtual void suspend() = 0; // called when begin/render/end skipped
50 
51 protected:
52  Renderer() = default;
53  Renderer(const Renderer&) = delete;
54  Renderer& operator=(const Renderer&) = delete;
55 };
56 
57 }
58 }
59 
60 #endif // MIR_COMPOSITOR_RENDERER_H_
virtual void set_rotation(float degrees)=0
Renderer & operator=(const Renderer &)=delete
Definition: renderer.h:34
virtual void render(graphics::Renderable const &renderable, graphics::Buffer &buffer) const =0
virtual void suspend()=0
virtual void set_viewport(geometry::Rectangle const &rect)=0
virtual void end() const =0
Definition: renderable.h:33
virtual void begin() const =0
virtual ~Renderer()=default
Definition: rectangle.h:33
Definition: buffer.h:34

Copyright © 2012,2013 Canonical Ltd.
Generated on Fri Apr 11 21:14:53 UTC 2014