class QBuffer¶

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

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

Detailed Description¶

Data can be provided directly using setData() .

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

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 .