PySide6.Qt3DCore.Qt3DCore.QBuffer

class QBuffer

Provides a data store for raw data to later be used as vertices or uniforms.

Details

Data can be provided directly using setData() .

Synopsis

Properties

• accessTypeᅟ

• usageᅟ

Methods

• def __init__()

• def accessType()

• def data()

• def setData()

• def updateData()

• def usage()

Slots

• def setAccessType()

• def setUsage()

Signals

• def accessTypeChanged()

• def dataAvailable()

• def dataChanged()

• def usageChanged()

Note

This documentation may contain snippets that were automatically translated from C++ to Python. We always welcome contributions to the snippet translation. If you see an issue with the translation, you can also let us know by creating a ticket on https:/bugreports.qt.io/projects/PYSIDE

class UsageType

The type of the usage.

Constant	Description
Qt3DCore.QBuffer.StreamDraw	GL_STREAM_DRAW
Qt3DCore.QBuffer.StreamRead	GL_STREAM_READ
Qt3DCore.QBuffer.StreamCopy	GL_STREAM_COPY
Qt3DCore.QBuffer.StaticDraw	GL_STATIC_DRAW
Qt3DCore.QBuffer.StaticRead	GL_STATIC_READ
Qt3DCore.QBuffer.StaticCopy	GL_STATIC_COPY
Qt3DCore.QBuffer.DynamicDraw	GL_DYNAMIC_DRAW
Qt3DCore.QBuffer.DynamicRead	GL_DYNAMIC_READ
Qt3DCore.QBuffer.DynamicCopy	GL_DYNAMIC_COPY

class AccessType

Constant	Description
Qt3DCore.QBuffer.Write	Write access
Qt3DCore.QBuffer.Read	Read access
Qt3DCore.QBuffer.ReadWrite	Write|Read

Note

Properties can be used directly when from __feature__ import true_property is used or via accessor functions otherwise.

property accessTypeᅟ: Qt3DCore.QBuffer.AccessType

Returns the AccessType of the buffer.

See also

AccessType

Access functions:

• accessType()

• setAccessType()

• Signal accessTypeChanged()

property usageᅟ: Qt3DCore.QBuffer.UsageType

Holds the buffer usage.

Access functions:

• usage()

• setUsage()

• Signal usageChanged()

__init__([parent=None])

Parameters:

parent – QNode

Constructs a new QBuffer with parent.

accessType()

Return type:

AccessType

See also

setAccessType()

Getter of property accessTypeᅟ .

accessTypeChanged(access)

Parameters:

access – AccessType

Notification signal of property accessTypeᅟ .

data()

Return type:

QByteArray

Returns the data.

See also

setData()

dataAvailable()

This signal is emitted when data becomes available.

dataChanged(bytes)

Parameters:

bytes – QByteArray

This signal is emitted with bytes when data changes.

setAccessType(access)

Parameters:

access – AccessType

See also

accessType()

Setter of property accessTypeᅟ .

setData(bytes)

Parameters:

bytes – QByteArray

Sets bytes as data.

See also

data()

setUsage(usage)

Parameters:

usage – UsageType

See also

usage()

Setter of property usageᅟ .

updateData(offset, bytes)

Parameters:

• offset – int

• bytes – QByteArray

Updates the data by replacing it with bytes at offset.

usage()

Return type:

UsageType

See also

setUsage()

Getter of property usageᅟ .

usageChanged(usage)

Parameters:

usage – UsageType

Notification signal of property usageᅟ .