File indexing completed on 2024-11-10 04:56:30

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 #include "drm_layer.h"
 #include "utils/damagejournal.h"
 
 #include <QMap>
 #include <QPointer>
 #include <QRegion>
 #include <epoxy/egl.h>
 #include <optional>
 
 namespace KWin
 {
 
 class EglSwapchain;
 class EglSwapchainSlot;
 class GraphicsBuffer;
 class GLTexture;
 class EglGbmBackend;
 class DrmVirtualOutput;
 class GLRenderTimeQuery;
 class SurfaceInterface;
 
 class VirtualEglGbmLayer : public DrmOutputLayer
 {
 public:
     VirtualEglGbmLayer(EglGbmBackend *eglBackend, DrmVirtualOutput *output);
     ~VirtualEglGbmLayer() override;
 
     std::optional<OutputLayerBeginFrameInfo> beginFrame() override;
     bool endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
     bool scanout(SurfaceItem *surfaceItem) override;
 
     QRegion currentDamage() const override;
     std::shared_ptr<GLTexture> texture() const override;
     void releaseBuffers() override;
     std::chrono::nanoseconds queryRenderTime() const override;
 
 private:
     std::shared_ptr<EglSwapchain> createGbmSwapchain() const;
     bool doesGbmSwapchainFit(EglSwapchain *swapchain) const;
 
     QPointer<SurfaceInterface> m_scanoutSurface;
     QPointer<GraphicsBuffer> m_scanoutBuffer;
     DamageJournal m_damageJournal;
     DamageJournal m_oldDamageJournal;
     QRegion m_currentDamage;
     std::shared_ptr<EglSwapchain> m_gbmSwapchain;
     std::shared_ptr<EglSwapchain> m_oldGbmSwapchain;
     std::shared_ptr<EglSwapchainSlot> m_currentSlot;
     std::unique_ptr<GLRenderTimeQuery> m_query;
 
     DrmVirtualOutput *const m_output;
     EglGbmBackend *const m_eglBackend;
 };
 
 }