/* KWin - the KDE window manager This file is part of the KDE project. SPDX-FileCopyrightText: 2016 Roman Gilg SPDX-License-Identifier: GPL-2.0-or-later */ #include "drm_object_plane.h" #include "drm_buffer.h" #include "drm_pointer.h" #include "logging.h" namespace KWin { DrmPlane::DrmPlane(uint32_t plane_id, int fd) : DrmObject(plane_id, fd) { } bool DrmPlane::init() { qCDebug(KWIN_DRM) << "Atomic init for plane:" << m_id; DrmScopedPointer p(drmModeGetPlane(fd(), m_id)); if (!p) { qCWarning(KWIN_DRM) << "Failed to get kernel plane" << m_id; return false; } m_possibleCrtcs = p->possible_crtcs; int count_formats = p->count_formats; m_formats.resize(count_formats); for (int i = 0; i < count_formats; i++) { m_formats[i] = p->formats[i]; } bool success = initProps({ PropertyDefinition(QByteArrayLiteral("type"), { QByteArrayLiteral("Overlay"), QByteArrayLiteral("Primary"), QByteArrayLiteral("Cursor")}), PropertyDefinition(QByteArrayLiteral("SRC_X")), PropertyDefinition(QByteArrayLiteral("SRC_Y")), PropertyDefinition(QByteArrayLiteral("SRC_W")), PropertyDefinition(QByteArrayLiteral("SRC_H")), PropertyDefinition(QByteArrayLiteral("CRTC_X")), PropertyDefinition(QByteArrayLiteral("CRTC_Y")), PropertyDefinition(QByteArrayLiteral("CRTC_W")), PropertyDefinition(QByteArrayLiteral("CRTC_H")), PropertyDefinition(QByteArrayLiteral("FB_ID")), PropertyDefinition(QByteArrayLiteral("CRTC_ID")), PropertyDefinition(QByteArrayLiteral("rotation"), { QByteArrayLiteral("rotate-0"), QByteArrayLiteral("rotate-90"), QByteArrayLiteral("rotate-180"), QByteArrayLiteral("rotate-270"), QByteArrayLiteral("reflect-x"), QByteArrayLiteral("reflect-y")}), }, DRM_MODE_OBJECT_PLANE ); if (success) { m_supportedTransformations = Transformations(); auto checkSupport = [this] (uint64_t value, Transformation t) { if (propHasEnum(PropertyIndex::Rotation, value)) { m_supportedTransformations |= t; } }; checkSupport(0, Transformation::Rotate0); checkSupport(1, Transformation::Rotate90); checkSupport(2, Transformation::Rotate180); checkSupport(3, Transformation::Rotate270); checkSupport(4, Transformation::ReflectX); checkSupport(5, Transformation::ReflectY); } return success; } DrmPlane::TypeIndex DrmPlane::type() { auto property = m_props.at(static_cast(PropertyIndex::Type)); if (!property) { return TypeIndex::Overlay; } for (uint32_t i = 0; i < static_cast(TypeIndex::Count); i++) { if (property->enumMap(i) == property->value()) { return TypeIndex(i); } } return TypeIndex::Overlay; } void DrmPlane::setNext(const QSharedPointer &b) { setValue(PropertyIndex::FbId, b ? b->bufferId() : 0); m_next = b; } void DrmPlane::setTransformation(Transformations t) { setValue(PropertyIndex::Rotation, t); } DrmPlane::Transformations DrmPlane::transformation() { if (auto property = m_props.at(static_cast(PropertyIndex::Rotation))) { return Transformations(static_cast(property->value())); } return Transformations(Transformation::Rotate0); } void DrmPlane::flipBuffer() { m_current = m_next; m_next = nullptr; } }