Qt3DRender.QDepthTest ¶

概要 ¶

详细描述 ¶

A QDepthTest class is used to enable depth testing with a given depth test function. The depth test enables writing fragment color values when the depth test passes, and reject fragments which fail the test. The depth test uses the depth function to test the fragments depth value to the value against z-buffer. If the underlying surface does not have z-buffer, then QDepthTest does nothing.

另请参阅

QAlphaTest QStencilTest

class PySide2.Qt3DRender.Qt3DRender. QDepthTest ( [ parent=None ] ) ¶

param parent

QNode

The constructor creates a new QDepthTest instance with the specified parent .

PySide2.Qt3DRender.Qt3DRender.QDepthTest. DepthFunction ¶

Enumeration for the depth function values

常量	描述
Qt3DRender.QDepthTest.Never	Never pass depth test
Qt3DRender.QDepthTest.Always	Always pass depth test
Qt3DRender.QDepthTest.Less	Pass depth test if fragment depth is less than z-buffer value
Qt3DRender.QDepthTest.LessOrEqual	Pass depth test if fragment depth is less than or equal to z-buffer value
Qt3DRender.QDepthTest.Equal	Pass depth test if fragment depth is equal to z-buffer value
Qt3DRender.QDepthTest.GreaterOrEqual	Pass depth test if fragment depth is greater than or equal to z-buffer value
Qt3DRender.QDepthTest.Greater	Pass depth test if fragment depth is greater than z-buffer value
Qt3DRender.QDepthTest.NotEqual	Pass depth test if fragment depth is not equal to z-buffer value

PySide2.Qt3DRender.Qt3DRender.QDepthTest. depthFunction ( ) ¶

返回类型

DepthFunction

另请参阅

setDepthFunction()

PySide2.Qt3DRender.Qt3DRender.QDepthTest. depthFunctionChanged ( depthFunction ) ¶

参数

depthFunction – DepthFunction

PySide2.Qt3DRender.Qt3DRender.QDepthTest. setDepthFunction ( depthFunction ) ¶

参数

depthFunction – DepthFunction

另请参阅

depthFunction()