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display_buffer.h
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1 /*
2  * Copyright © 2013 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_GRAPHICS_DISPLAY_BUFFER_H_
20 #define MIR_GRAPHICS_DISPLAY_BUFFER_H_
21 
22 #include <mir/geometry/rectangle.h>
24 #include <mir_toolkit/common.h>
25 
26 #include <memory>
27 #include <functional>
28 
29 namespace mir
30 {
31 namespace graphics
32 {
33 
34 class Buffer;
35 
40 {
41 public:
42  virtual ~DisplayBuffer() {}
43 
45  virtual geometry::Rectangle view_area() const = 0;
47  virtual void make_current() = 0;
49  virtual void release_current() = 0;
50 
52  virtual void post_update() = 0;
53 
58  virtual void render_and_post_update(
59  RenderableList const& renderlist,
60  std::function<void(Renderable const&)> const& render_fn) = 0;
61 
63  virtual bool can_bypass() const = 0;
64  virtual void post_update(std::shared_ptr<Buffer> /* bypass_buf */) {}
65 
74  virtual MirOrientation orientation() const = 0;
75 
76 protected:
77  DisplayBuffer() = default;
78  DisplayBuffer(DisplayBuffer const& c) = delete;
79  DisplayBuffer& operator=(DisplayBuffer const& c) = delete;
80 };
81 
82 }
83 }
84 
85 #endif /* MIR_GRAPHICS_DISPLAY_BUFFER_H_ */
virtual ~DisplayBuffer()
Definition: display_buffer.h:42
virtual void release_current()=0
Releases the current GL rendering target.
Interface to an output framebuffer.
Definition: display_buffer.h:39
virtual void render_and_post_update(RenderableList const &renderlist, std::function< void(Renderable const &)> const &render_fn)=0
This will render renderlist to the screen and post the result to the screen.
MirOrientation
Definition: common.h:113
std::list< std::shared_ptr< Renderable > > RenderableList
Definition: renderable.h:88
Definition: renderable.h:33
virtual bool can_bypass() const =0
to be deprecated
virtual void post_update()=0
This will trigger OpenGL rendering and post the result to the screen.
virtual geometry::Rectangle view_area() const =0
The area the DisplayBuffer occupies in the virtual screen space.
Definition: rectangle.h:33
DisplayBuffer & operator=(DisplayBuffer const &c)=delete
virtual void post_update(std::shared_ptr< Buffer >)
Definition: display_buffer.h:64
virtual void make_current()=0
Makes the DisplayBuffer the current GL rendering target.
virtual MirOrientation orientation() const =0
Returns the orientation of the display buffer relative to how the user should see it (the orientation...

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