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82 lines
2.6 KiB
82 lines
2.6 KiB
/******************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2012 Martin Gräßlin <mgraesslin@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#ifndef KWIN_EGL_ON_X_BACKEND_H |
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#define KWIN_EGL_ON_X_BACKEND_H |
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#include "abstract_egl_backend.h" |
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#include "scene_opengl.h" |
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namespace KWin |
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{ |
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/** |
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* @brief OpenGL Backend using Egl windowing system over an X overlay window. |
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**/ |
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class KWIN_EXPORT EglOnXBackend : public AbstractEglBackend |
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{ |
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public: |
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EglOnXBackend(); |
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explicit EglOnXBackend(xcb_connection_t *connection, Display *display, xcb_window_t rootWindow, int screenNumber, xcb_window_t renderingWindow); |
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virtual ~EglOnXBackend(); |
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virtual void screenGeometryChanged(const QSize &size); |
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virtual SceneOpenGL::TexturePrivate *createBackendTexture(SceneOpenGL::Texture *texture); |
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virtual QRegion prepareRenderingFrame(); |
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virtual void endRenderingFrame(const QRegion &damage, const QRegion &damagedRegion); |
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virtual OverlayWindow* overlayWindow() override; |
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virtual bool usesOverlayWindow() const override; |
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protected: |
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virtual void present(); |
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private: |
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void init(); |
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bool initBufferConfigs(); |
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bool initRenderingContext(); |
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/** |
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* @brief The OverlayWindow used by this Backend. |
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**/ |
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OverlayWindow *m_overlayWindow; |
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int surfaceHasSubPost; |
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int m_bufferAge; |
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bool m_usesOverlayWindow; |
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xcb_connection_t *m_connection; |
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Display *m_x11Display; |
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xcb_window_t m_rootWindow; |
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int m_x11ScreenNumber; |
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xcb_window_t m_renderingWindow = XCB_WINDOW_NONE; |
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friend class EglTexture; |
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}; |
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/** |
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* @brief Texture using an EGLImageKHR. |
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**/ |
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class EglTexture : public AbstractEglTexture |
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{ |
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public: |
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virtual ~EglTexture(); |
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virtual void onDamage(); |
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private: |
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friend class EglOnXBackend; |
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EglTexture(SceneOpenGL::Texture *texture, EglOnXBackend *backend); |
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}; |
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} // namespace |
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#endif // KWIN_EGL_ON_X_BACKEND_H
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