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/** XRenderScreen.hh file for the fluxbox compositor. */
// Copyright (c) 2011 Gediminas Liktaras (gliktaras at gmail dot com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef FBCOMPOSITOR_XRENDERSCREEN_HH
#define FBCOMPOSITOR_XRENDERSCREEN_HH
#include "BaseScreen.hh"
#include "XRenderPlugin.hh"
#include "XRenderResources.hh"
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xrender.h>
#include <X11/Xlib.h>
namespace FbCompositor {
class BaseScreen;
class CompositorConfig;
class XRenderScreen;
class XRenderWindow;
/**
* Manages the screen in XRender rendering mode.
*/
class XRenderScreen : public BaseScreen {
public:
//--- CONSTRUCTORS AND DESTRUCTORS -------------------------------------
/** Constructor. */
XRenderScreen(int screen_number, const CompositorConfig &config);
/** Destructor. */
~XRenderScreen();
//--- ACCESSORS --------------------------------------------------------
/** \returns the preferred filter for XRender Pictures. */
const char *pictFilter() const;
//--- SCREEN MANIPULATION ----------------------------------------------
/** Notifies the screen of a background change. */
void setRootPixmapChanged();
/** Notifies the screen of a root window change. */
void setRootWindowSizeChanged();
//--- SCREEN RENDERING -------------------------------------------------
/** Renders the screen's contents. */
void renderScreen();
protected:
//--- SPECIALIZED WINDOW MANIPULATION FUNCTIONS ------------------------
/** Creates a window object from its XID. */
BaseCompWindow *createWindowObject(Window window);
private:
//--- INITIALIZATION FUNCTIONS -----------------------------------------
/** Initializes the rendering surface. */
void initRenderingSurface();
//--- SCREEN MANIPULATION ----------------------------------------------
/** Update the background picture. */
void updateBackgroundPicture();
//--- RENDERING FUNCTIONS ----------------------------------------------
/** Clips the backbuffer picture to damaged area. */
void clipBackBufferToDamage();
/** Perform a rendering job on the back buffer picture. */
void executeRenderingJob(const XRenderRenderingJob &job);
/** Render the desktop wallpaper. */
void renderBackground();
/** Perform extra rendering jobs from plugins. */
void renderExtraJobs();
/** Render the reconfigure rectangle. */
void renderReconfigureRect();
/** Render a particular window onto the screen. */
void renderWindow(XRenderWindow &window);
/** Swap back and front buffers. */
void swapBuffers();
//--- MAIN RENDERING-RELATED VARIABLES ---------------------------------
/** The rendering window. */
Window m_rendering_window;
/** The picture of the back buffer. */
XRenderPicturePtr m_back_buffer_picture;
/** The picture of the rendering window. */
XRenderPicturePtr m_rendering_picture;
/** A container for rectangle, damaged by plugins. */
std::vector<XRectangle> m_plugin_damage_rects;
/** Screen region, damaged by plugins. */
XserverRegion m_plugin_damage;
/** The picture of the root window. */
XRenderPicturePtr m_root_picture;
/** Whether the root window has changed since the last update. */
bool m_root_changed;
/** The picture filter to use. */
const char *m_pict_filter;
};
//--- INLINE FUNCTIONS -------------------------------------------------
// Returns the preferred filter for XRender Pictures.
inline const char *XRenderScreen::pictFilter() const {
return m_pict_filter;
}
}
#endif // FBCOMPOSITOR_XRENDERSCREEN_HH
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