File indexing completed on 2025-04-20 10:57:36

 /*
     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 <QImage>
 
 namespace KWin
 {
 
 class DumbSwapchain;
 class DrmPipeline;
 class DrmVirtualOutput;
 class DrmQPainterBackend;
 class DrmDumbBuffer;
 class DrmFramebuffer;
 
 class DrmQPainterLayer : public DrmPipelineLayer
 {
 public:
     DrmQPainterLayer(DrmPipeline *pipeline);
 
     std::optional<OutputLayerBeginFrameInfo> beginFrame() override;
     bool endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
     bool checkTestBuffer() override;
     std::shared_ptr<DrmFramebuffer> currentBuffer() const override;
     QRegion currentDamage() const override;
     void releaseBuffers() override;
 
 private:
     bool doesSwapchainFit() const;
 
     std::shared_ptr<DumbSwapchain> m_swapchain;
     std::shared_ptr<DrmFramebuffer> m_currentFramebuffer;
     QRegion m_currentDamage;
 };
 
 class DrmCursorQPainterLayer : public DrmOverlayLayer
 {
 public:
     DrmCursorQPainterLayer(DrmPipeline *pipeline);
 
     std::optional<OutputLayerBeginFrameInfo> beginFrame() override;
     bool endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
 
     bool checkTestBuffer() override;
     std::shared_ptr<DrmFramebuffer> currentBuffer() const override;
     QRegion currentDamage() const override;
     void releaseBuffers() override;
 
 private:
     std::shared_ptr<DumbSwapchain> m_swapchain;
     std::shared_ptr<DrmFramebuffer> m_currentFramebuffer;
 };
 
 class DrmVirtualQPainterLayer : public DrmOutputLayer
 {
 public:
     DrmVirtualQPainterLayer(DrmVirtualOutput *output);
 
     std::optional<OutputLayerBeginFrameInfo> beginFrame() override;
     bool endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
 
     QRegion currentDamage() const override;
     void releaseBuffers() override;
 
 private:
     QImage m_image;
     QRegion m_currentDamage;
     DrmVirtualOutput *const m_output;
 };
 }