b28effff23
Only the X based Scenes need an overlay window, so the Compositor doesn't need to check for it in the Wayland case. OverlayWindow is moved from OpenGLBackend to the sub classes which need to provide it.
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/********************************************************************
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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_GLX_BACKEND_H
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#define KWIN_GLX_BACKEND_H
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#include "scene_opengl.h"
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namespace KWin
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{
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class FBConfigInfo
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{
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public:
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GLXFBConfig fbconfig;
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int bind_texture_format;
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int texture_targets;
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int y_inverted;
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int mipmap;
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};
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/**
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* @brief OpenGL Backend using GLX over an X overlay window.
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**/
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class GlxBackend : public OpenGLBackend
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{
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public:
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GlxBackend();
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virtual ~GlxBackend();
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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 bool makeCurrent() override;
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virtual void doneCurrent() override;
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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 initBuffer();
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bool initDrawableConfigs();
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void waitSync();
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bool initRenderingContext();
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bool initFbConfig();
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void setSwapInterval(int interval);
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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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Window window;
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FBConfigInfo fbcdrawableinfo[ 32 + 1 ];
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GLXFBConfig fbconfig;
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GLXWindow glxWindow;
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GLXContext ctx;
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int m_bufferAge;
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bool haveSwapInterval, haveWaitSync;
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friend class GlxTexture;
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};
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/**
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* @brief Texture using an GLXPixmap.
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**/
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class GlxTexture : public SceneOpenGL::TexturePrivate
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{
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public:
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virtual ~GlxTexture();
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virtual void onDamage();
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virtual void findTarget();
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virtual bool loadTexture(const Pixmap& pix, const QSize& size, int depth);
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virtual OpenGLBackend *backend();
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private:
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friend class GlxBackend;
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GlxTexture(SceneOpenGL::Texture *texture, GlxBackend *backend);
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SceneOpenGL::Texture *q;
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GlxBackend *m_backend;
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GLXPixmap m_glxpixmap; // the glx pixmap the texture is bound to
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};
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} // namespace
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#endif // KWIN_GLX_BACKEND_H
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