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Diffstat (limited to 'util/fbcompose/XRenderScreen.hh')
-rw-r--r-- | util/fbcompose/XRenderScreen.hh | 164 |
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diff --git a/util/fbcompose/XRenderScreen.hh b/util/fbcompose/XRenderScreen.hh new file mode 100644 index 0000000..2453b0f --- /dev/null +++ b/util/fbcompose/XRenderScreen.hh | |||
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1 | /** XRenderScreen.hh file for the fluxbox compositor. */ | ||
2 | |||
3 | // Copyright (c) 2011 Gediminas Liktaras (gliktaras at gmail dot com) | ||
4 | // | ||
5 | // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
6 | // of this software and associated documentation files (the "Software"), to deal | ||
7 | // in the Software without restriction, including without limitation the rights | ||
8 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
9 | // copies of the Software, and to permit persons to whom the Software is | ||
10 | // furnished to do so, subject to the following conditions: | ||
11 | // | ||
12 | // The above copyright notice and this permission notice shall be included in | ||
13 | // all copies or substantial portions of the Software. | ||
14 | // | ||
15 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
16 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
17 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
18 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
19 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
20 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
21 | // THE SOFTWARE. | ||
22 | |||
23 | |||
24 | #ifndef FBCOMPOSITOR_XRENDERSCREEN_HH | ||
25 | #define FBCOMPOSITOR_XRENDERSCREEN_HH | ||
26 | |||
27 | |||
28 | #include "BaseScreen.hh" | ||
29 | |||
30 | #include "XRenderPlugin.hh" | ||
31 | #include "XRenderResources.hh" | ||
32 | |||
33 | #include <X11/extensions/Xfixes.h> | ||
34 | #include <X11/extensions/Xrender.h> | ||
35 | #include <X11/Xlib.h> | ||
36 | |||
37 | |||
38 | namespace FbCompositor { | ||
39 | |||
40 | class BaseScreen; | ||
41 | class CompositorConfig; | ||
42 | class XRenderScreen; | ||
43 | class XRenderWindow; | ||
44 | |||
45 | |||
46 | /** | ||
47 | * Manages the screen in XRender rendering mode. | ||
48 | */ | ||
49 | class XRenderScreen : public BaseScreen { | ||
50 | public: | ||
51 | //--- CONSTRUCTORS AND DESTRUCTORS ------------------------------------- | ||
52 | |||
53 | /** Constructor. */ | ||
54 | XRenderScreen(int screen_number, const CompositorConfig &config); | ||
55 | |||
56 | /** Destructor. */ | ||
57 | ~XRenderScreen(); | ||
58 | |||
59 | |||
60 | //--- ACCESSORS -------------------------------------------------------- | ||
61 | |||
62 | /** \returns the preferred filter for XRender Pictures. */ | ||
63 | const char *pictFilter() const; | ||
64 | |||
65 | |||
66 | //--- SCREEN MANIPULATION ---------------------------------------------- | ||
67 | |||
68 | /** Notifies the screen of a background change. */ | ||
69 | void setRootPixmapChanged(); | ||
70 | |||
71 | /** Notifies the screen of a root window change. */ | ||
72 | void setRootWindowSizeChanged(); | ||
73 | |||
74 | |||
75 | //--- SCREEN RENDERING ------------------------------------------------- | ||
76 | |||
77 | /** Renders the screen's contents. */ | ||
78 | void renderScreen(); | ||
79 | |||
80 | |||
81 | protected: | ||
82 | //--- SPECIALIZED WINDOW MANIPULATION FUNCTIONS ------------------------ | ||
83 | |||
84 | /** Creates a window object from its XID. */ | ||
85 | BaseCompWindow *createWindowObject(Window window); | ||
86 | |||
87 | |||
88 | private: | ||
89 | //--- INITIALIZATION FUNCTIONS ----------------------------------------- | ||
90 | |||
91 | /** Initializes the rendering surface. */ | ||
92 | void initRenderingSurface(); | ||
93 | |||
94 | |||
95 | //--- SCREEN MANIPULATION ---------------------------------------------- | ||
96 | |||
97 | /** Update the background picture. */ | ||
98 | void updateBackgroundPicture(); | ||
99 | |||
100 | |||
101 | //--- RENDERING FUNCTIONS ---------------------------------------------- | ||
102 | |||
103 | /** Clips the backbuffer picture to damaged area. */ | ||
104 | void clipBackBufferToDamage(); | ||
105 | |||
106 | /** Perform a rendering job on the back buffer picture. */ | ||
107 | void executeRenderingJob(const XRenderRenderingJob &job); | ||
108 | |||
109 | /** Render the desktop wallpaper. */ | ||
110 | void renderBackground(); | ||
111 | |||
112 | /** Perform extra rendering jobs from plugins. */ | ||
113 | void renderExtraJobs(); | ||
114 | |||
115 | /** Render the reconfigure rectangle. */ | ||
116 | void renderReconfigureRect(); | ||
117 | |||
118 | /** Render a particular window onto the screen. */ | ||
119 | void renderWindow(XRenderWindow &window); | ||
120 | |||
121 | /** Swap back and front buffers. */ | ||
122 | void swapBuffers(); | ||
123 | |||
124 | |||
125 | //--- MAIN RENDERING-RELATED VARIABLES --------------------------------- | ||
126 | |||
127 | /** The rendering window. */ | ||
128 | Window m_rendering_window; | ||
129 | |||
130 | /** The picture of the back buffer. */ | ||
131 | XRenderPicturePtr m_back_buffer_picture; | ||
132 | |||
133 | /** The picture of the rendering window. */ | ||
134 | XRenderPicturePtr m_rendering_picture; | ||
135 | |||
136 | |||
137 | /** A container for rectangle, damaged by plugins. */ | ||
138 | std::vector<XRectangle> m_plugin_damage_rects; | ||
139 | |||
140 | /** Screen region, damaged by plugins. */ | ||
141 | XserverRegion m_plugin_damage; | ||
142 | |||
143 | |||
144 | /** The picture of the root window. */ | ||
145 | XRenderPicturePtr m_root_picture; | ||
146 | |||
147 | /** Whether the root window has changed since the last update. */ | ||
148 | bool m_root_changed; | ||
149 | |||
150 | |||
151 | /** The picture filter to use. */ | ||
152 | const char *m_pict_filter; | ||
153 | }; | ||
154 | |||
155 | |||
156 | //--- INLINE FUNCTIONS ------------------------------------------------- | ||
157 | |||
158 | // Returns the preferred filter for XRender Pictures. | ||
159 | inline const char *XRenderScreen::pictFilter() const { | ||
160 | return m_pict_filter; | ||
161 | } | ||
162 | } | ||
163 | |||
164 | #endif // FBCOMPOSITOR_XRENDERSCREEN_HH | ||