114 lines
2.4 KiB
C++
114 lines
2.4 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: 2016 Roman Gilg <subdiff@gmail.com>
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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 "drm_object.h"
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#include <qobjectdefs.h>
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#include <xf86drmMode.h>
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namespace KWin
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{
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class DrmBuffer;
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class DrmPlane : public DrmObject
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{
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Q_GADGET
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public:
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DrmPlane(uint32_t plane_id, int fd);
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~DrmPlane() override;
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enum class PropertyIndex {
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Type = 0,
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SrcX,
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SrcY,
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SrcW,
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SrcH,
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CrtcX,
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CrtcY,
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CrtcW,
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CrtcH,
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FbId,
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CrtcId,
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Rotation,
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Count
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};
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Q_ENUM(PropertyIndex)
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enum class TypeIndex {
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Overlay = 0,
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Primary,
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Cursor,
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Count
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};
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Q_ENUM(TypeIndex)
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enum class Transformation {
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Rotate0 = 1 << 0,
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Rotate90 = 1 << 1,
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Rotate180 = 1 << 2,
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Rotate270 = 1 << 3,
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ReflectX = 1 << 4,
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ReflectY = 1 << 5
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};
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Q_ENUM(Transformation)
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Q_DECLARE_FLAGS(Transformations, Transformation);
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bool atomicInit() override;
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bool initProps() override;
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TypeIndex type();
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bool isCrtcSupported(int resIndex) const {
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return (m_possibleCrtcs & (1 << resIndex));
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}
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QVector<uint32_t> formats() const {
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return m_formats;
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}
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DrmBuffer *current() const {
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return m_current;
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}
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DrmBuffer *next() const {
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return m_next;
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}
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void setCurrent(DrmBuffer *b) {
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m_current = b;
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}
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void setNext(DrmBuffer *b);
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void setTransformation(Transformations t);
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Transformations transformation();
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void flipBuffer();
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void flipBufferWithDelete();
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Transformations supportedTransformations() const {
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return m_supportedTransformations;
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}
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bool atomicPopulate(drmModeAtomicReq *req) const override;
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private:
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DrmBuffer *m_current = nullptr;
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DrmBuffer *m_next = nullptr;
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// TODO: See weston drm_output_check_plane_format for future use of these member variables
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QVector<uint32_t> m_formats; // Possible formats, which can be presented on this plane
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// TODO: when using overlay planes in the future: restrict possible screens / crtcs of planes
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uint32_t m_possibleCrtcs;
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Transformations m_supportedTransformations = Transformation::Rotate0;
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};
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(KWin::DrmPlane::Transformations)
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