2220ae44c4
Each of the backends becomes a plugin. This allows kwin_wayland to load the requested plugin and kwin itself doesn't need to link all the libraries needed. E.g. libdrm is no longer linked if running kwin_x11. Also this allows to create backends for the non-standard EGL platforms (examples could be raspberrypi or Android devices).
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2012 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*********************************************************************/
|
|
#ifndef KWIN_EGL_ON_X_BACKEND_H
|
|
#define KWIN_EGL_ON_X_BACKEND_H
|
|
#include "abstract_egl_backend.h"
|
|
#include "scene_opengl.h"
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
/**
|
|
* @brief OpenGL Backend using Egl windowing system over an X overlay window.
|
|
**/
|
|
class KWIN_EXPORT EglOnXBackend : public AbstractEglBackend
|
|
{
|
|
public:
|
|
EglOnXBackend();
|
|
explicit EglOnXBackend(xcb_connection_t *connection, Display *display, xcb_window_t rootWindow, int screenNumber, xcb_window_t renderingWindow);
|
|
virtual ~EglOnXBackend();
|
|
virtual void screenGeometryChanged(const QSize &size);
|
|
virtual SceneOpenGL::TexturePrivate *createBackendTexture(SceneOpenGL::Texture *texture);
|
|
virtual QRegion prepareRenderingFrame();
|
|
virtual void endRenderingFrame(const QRegion &damage, const QRegion &damagedRegion);
|
|
virtual OverlayWindow* overlayWindow() override;
|
|
virtual bool usesOverlayWindow() const override;
|
|
|
|
protected:
|
|
virtual void present();
|
|
|
|
private:
|
|
void init();
|
|
bool initBufferConfigs();
|
|
bool initRenderingContext();
|
|
/**
|
|
* @brief The OverlayWindow used by this Backend.
|
|
**/
|
|
OverlayWindow *m_overlayWindow;
|
|
int surfaceHasSubPost;
|
|
int m_bufferAge;
|
|
bool m_usesOverlayWindow;
|
|
xcb_connection_t *m_connection;
|
|
Display *m_x11Display;
|
|
xcb_window_t m_rootWindow;
|
|
int m_x11ScreenNumber;
|
|
xcb_window_t m_renderingWindow = XCB_WINDOW_NONE;
|
|
friend class EglTexture;
|
|
};
|
|
|
|
/**
|
|
* @brief Texture using an EGLImageKHR.
|
|
**/
|
|
class EglTexture : public AbstractEglTexture
|
|
{
|
|
public:
|
|
virtual ~EglTexture();
|
|
virtual void onDamage();
|
|
|
|
private:
|
|
friend class EglOnXBackend;
|
|
EglTexture(SceneOpenGL::Texture *texture, EglOnXBackend *backend);
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#endif // KWIN_EGL_ON_X_BACKEND_H
|