110 lines
2.7 KiB
C++
110 lines
2.7 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: 2006 Lubos Lunak <l.lunak@kde.org>
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SPDX-FileCopyrightText: 2009, 2010, 2011 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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#pragma once
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#include "platformsupport/scenes/opengl/openglbackend.h"
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#include "scene/decorationitem.h"
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#include "scene/shadowitem.h"
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#include "scene/workspacescene.h"
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#include "opengl/glutils.h"
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namespace KWin
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{
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class OpenGLBackend;
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class KWIN_EXPORT WorkspaceSceneOpenGL : public WorkspaceScene
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{
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Q_OBJECT
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public:
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explicit WorkspaceSceneOpenGL(OpenGLBackend *backend);
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~WorkspaceSceneOpenGL() override;
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bool makeOpenGLContextCurrent() override;
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void doneOpenGLContextCurrent() override;
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bool supportsNativeFence() const override;
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OpenGlContext *openglContext() const override;
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std::unique_ptr<DecorationRenderer> createDecorationRenderer(Decoration::DecoratedWindowImpl *impl) override;
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std::unique_ptr<ShadowTextureProvider> createShadowTextureProvider(Shadow *shadow) override;
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bool animationsSupported() const override;
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OpenGLBackend *backend() const
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{
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return m_backend;
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}
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std::pair<std::shared_ptr<GLTexture>, ColorDescription> textureForOutput(Output *output) const override;
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private:
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OpenGLBackend *m_backend;
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GLuint vao = 0;
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};
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/**
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* @short OpenGL implementation of Shadow.
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*
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* This class extends Shadow by the Elements required for OpenGL rendering.
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* @author Martin Gräßlin <mgraesslin@kde.org>
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*/
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class OpenGLShadowTextureProvider : public ShadowTextureProvider
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{
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public:
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explicit OpenGLShadowTextureProvider(Shadow *shadow);
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~OpenGLShadowTextureProvider() override;
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GLTexture *shadowTexture()
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{
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return m_texture.get();
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}
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void update() override;
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private:
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std::shared_ptr<GLTexture> m_texture;
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};
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class SceneOpenGLDecorationRenderer : public DecorationRenderer
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{
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Q_OBJECT
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public:
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enum class DecorationPart : int {
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Left,
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Top,
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Right,
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Bottom,
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Count
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};
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explicit SceneOpenGLDecorationRenderer(Decoration::DecoratedWindowImpl *client);
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~SceneOpenGLDecorationRenderer() override;
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void render(const QRegion ®ion) override;
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GLTexture *texture()
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{
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return m_texture.get();
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}
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GLTexture *texture() const
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{
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return m_texture.get();
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}
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private:
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void renderPart(const QRectF &rect, const QRectF &partRect, const QPoint &textureOffset, qreal devicePixelRatio, bool rotated = false);
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static const QMargins texturePadForPart(const QRectF &rect, const QRectF &partRect);
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void resizeTexture();
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int toNativeSize(double size) const;
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std::unique_ptr<GLTexture> m_texture;
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};
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} // namespace
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