kwin/plugins/platforms/drm/drm_object_plane.h
2020-08-07 19:57:56 +00:00

114 lines
2.4 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2016 Roman Gilg <subdiff@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include "drm_object.h"
#include <qobjectdefs.h>
#include <xf86drmMode.h>
namespace KWin
{
class DrmBuffer;
class DrmPlane : public DrmObject
{
Q_GADGET
public:
DrmPlane(uint32_t plane_id, int fd);
~DrmPlane() override;
enum class PropertyIndex {
Type = 0,
SrcX,
SrcY,
SrcW,
SrcH,
CrtcX,
CrtcY,
CrtcW,
CrtcH,
FbId,
CrtcId,
Rotation,
Count
};
Q_ENUM(PropertyIndex)
enum class TypeIndex {
Overlay = 0,
Primary,
Cursor,
Count
};
Q_ENUM(TypeIndex)
enum class Transformation {
Rotate0 = 1 << 0,
Rotate90 = 1 << 1,
Rotate180 = 1 << 2,
Rotate270 = 1 << 3,
ReflectX = 1 << 4,
ReflectY = 1 << 5
};
Q_ENUM(Transformation)
Q_DECLARE_FLAGS(Transformations, Transformation);
bool atomicInit() override;
bool initProps() override;
TypeIndex type();
bool isCrtcSupported(int resIndex) const {
return (m_possibleCrtcs & (1 << resIndex));
}
QVector<uint32_t> formats() const {
return m_formats;
}
DrmBuffer *current() const {
return m_current;
}
DrmBuffer *next() const {
return m_next;
}
void setCurrent(DrmBuffer *b) {
m_current = b;
}
void setNext(DrmBuffer *b);
void setTransformation(Transformations t);
Transformations transformation();
void flipBuffer();
void flipBufferWithDelete();
Transformations supportedTransformations() const {
return m_supportedTransformations;
}
bool atomicPopulate(drmModeAtomicReq *req) const override;
private:
DrmBuffer *m_current = nullptr;
DrmBuffer *m_next = nullptr;
// TODO: See weston drm_output_check_plane_format for future use of these member variables
QVector<uint32_t> m_formats; // Possible formats, which can be presented on this plane
// TODO: when using overlay planes in the future: restrict possible screens / crtcs of planes
uint32_t m_possibleCrtcs;
Transformations m_supportedTransformations = Transformation::Rotate0;
};
}
Q_DECLARE_OPERATORS_FOR_FLAGS(KWin::DrmPlane::Transformations)