26dff99f78
IN_FORMATS contains information about which buffer formats can be scanned out with a given drm plane. Using these plane-specific format+modifier combinations as well as explicit modifiers in general can yield bandwidth and performance improvements, especially in multi-gpu systems.
111 lines
2.4 KiB
C++
111 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 <QSharedPointer>
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#include <QMap>
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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(DrmGpu *gpu, uint32_t planeId);
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enum class PropertyIndex : uint32_t {
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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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In_Formats,
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Count
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};
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Q_ENUM(PropertyIndex)
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enum class TypeIndex : uint32_t {
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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 : uint32_t {
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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 init() override;
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TypeIndex type();
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bool isCrtcSupported(int pipeIndex) const {
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return (m_possibleCrtcs & (1 << pipeIndex));
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}
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QMap<uint32_t, QVector<uint64_t>> formats() const {
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return m_supportedFormats;
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}
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QSharedPointer<DrmBuffer> current() const {
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return m_current;
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}
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QSharedPointer<DrmBuffer> next() const {
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return m_next;
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}
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void setCurrent(const QSharedPointer<DrmBuffer> &b) {
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m_current = b;
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}
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void setNext(const QSharedPointer<DrmBuffer> &b);
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bool setTransformation(Transformations t);
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Transformations transformation();
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void flipBuffer();
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Transformations supportedTransformations() const {
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return m_supportedTransformations;
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}
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void set(const QPoint &srcPos, const QSize &srcSize, const QPoint &dstPos, const QSize &dstSize);
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void setBuffer(DrmBuffer *buffer);
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bool needsModeset() const override;
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private:
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QSharedPointer<DrmBuffer> m_current;
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QSharedPointer<DrmBuffer> m_next;
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QMap<uint32_t, QVector<uint64_t>> m_supportedFormats;
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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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