ef6fa25d90
EGL for X and EGL for Wayland backends are quite different. The main motivation behind this change is to prepare the EGL backends for monitoring vblank events. Things work quite differently depending on if the EGL backend renders onto a toplevel window or overlay window.
61 lines
1.5 KiB
C++
61 lines
1.5 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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SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_EGL_X11_BACKEND_H
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#define KWIN_EGL_X11_BACKEND_H
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#include "eglonxbackend.h"
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namespace KWin
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{
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class X11WindowedBackend;
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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 EglX11Backend : public EglOnXBackend
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{
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public:
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explicit EglX11Backend(X11WindowedBackend *backend);
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~EglX11Backend() override;
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SceneOpenGLTexturePrivate *createBackendTexture(SceneOpenGLTexture *texture) override;
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void init() override;
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bool usesOverlayWindow() const override;
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QRegion beginFrame(int screenId) override;
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void endFrame(int screenId, const QRegion &damage, const QRegion &damagedRegion) override;
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void screenGeometryChanged(const QSize &size) override;
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protected:
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void cleanupSurfaces() override;
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bool createSurfaces() override;
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private:
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void setupViewport(int screenId);
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void presentSurface(EGLSurface surface, const QRegion &damage, const QRect &screenGeometry);
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QVector<EGLSurface> m_surfaces;
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X11WindowedBackend *m_backend;
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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 EglX11Texture : public AbstractEglTexture
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{
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public:
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~EglX11Texture() override;
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private:
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friend class EglX11Backend;
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EglX11Texture(SceneOpenGLTexture *texture, EglX11Backend *backend);
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};
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} // namespace
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#endif
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