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 .