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

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2016 Roman Gilg <subdiff@gmail.com>
0006     SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
0007 
0008     SPDX-License-Identifier: GPL-2.0-or-later
0009 */
0010 #pragma once
0011 
0012 #include "drm_object.h"
0013 
0014 #include <QMap>
0015 #include <QPoint>
0016 #include <QSize>
0017 #include <memory>
0018 #include <qobjectdefs.h>
0019 
0020 namespace KWin
0021 {
0022 
0023 class DrmFramebuffer;
0024 class DrmCrtc;
0025 
0026 class DrmPlane : public DrmObject
0027 {
0028     Q_GADGET
0029 public:
0030     DrmPlane(DrmGpu *gpu, uint32_t planeId);
0031 
0032     enum class PropertyIndex : uint32_t {
0033         Type = 0,
0034         SrcX,
0035         SrcY,
0036         SrcW,
0037         SrcH,
0038         CrtcX,
0039         CrtcY,
0040         CrtcW,
0041         CrtcH,
0042         FbId,
0043         CrtcId,
0044         Rotation,
0045         In_Formats,
0046         Count
0047     };
0048     Q_ENUM(PropertyIndex)
0049 
0050     enum class TypeIndex : uint32_t {
0051         Overlay = 0,
0052         Primary,
0053         Cursor,
0054         Count
0055     };
0056     Q_ENUM(TypeIndex)
0057 
0058     enum class Transformation : uint32_t {
0059         Rotate0 = 1 << 0,
0060         Rotate90 = 1 << 1,
0061         Rotate180 = 1 << 2,
0062         Rotate270 = 1 << 3,
0063         ReflectX = 1 << 4,
0064         ReflectY = 1 << 5
0065     };
0066     Q_ENUM(Transformation)
0067     Q_DECLARE_FLAGS(Transformations, Transformation)
0068 
0069     bool init() override;
0070     void disable() override;
0071     TypeIndex type() const;
0072 
0073     bool isCrtcSupported(int pipeIndex) const;
0074     QMap<uint32_t, QVector<uint64_t>> formats() const;
0075 
0076     std::shared_ptr<DrmFramebuffer> current() const;
0077     std::shared_ptr<DrmFramebuffer> next() const;
0078     void setCurrent(const std::shared_ptr<DrmFramebuffer> &b);
0079     void setNext(const std::shared_ptr<DrmFramebuffer> &b);
0080     void flipBuffer();
0081 
0082     void setBuffer(DrmFramebuffer *buffer);
0083     void set(const QPoint &srcPos, const QSize &srcSize, const QRect &dst);
0084 
0085     Transformations transformation();
0086     Transformations supportedTransformations() const;
0087 
0088     void releaseBuffers();
0089 
0090 private:
0091     std::shared_ptr<DrmFramebuffer> m_current;
0092     std::shared_ptr<DrmFramebuffer> m_next;
0093 
0094     QMap<uint32_t, QVector<uint64_t>> m_supportedFormats;
0095     uint32_t m_possibleCrtcs;
0096     Transformations m_supportedTransformations = Transformation::Rotate0;
0097 };
0098 
0099 }
0100 
0101 Q_DECLARE_OPERATORS_FOR_FLAGS(KWin::DrmPlane::Transformations)