QDepthTest¶
- PyQt5.Qt3DRender.QDepthTest
Inherits from QRenderState.
Description¶
The QDepthTest class tests the fragment shader’s depth value against the depth of a sample being written to.
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.
See also
QAlphaTest, QStencilTest.
Enums¶
- DepthFunction
Enumeration for the depth function values
Member
Value
Description
Always 0x0207
Always pass depth test
Equal 0x0202
Pass depth test if fragment depth is equal to z-buffer value
Greater 0x0204
Pass depth test if fragment depth is greater than z-buffer value
GreaterOrEqual 0x0206
Pass depth test if fragment depth is greater than or equal to z-buffer value
Less 0x0201
Pass depth test if fragment depth is less than z-buffer value
LessOrEqual 0x0203
Pass depth test if fragment depth is less than or equal to z-buffer value
Never 0x0200
Never pass depth test
NotEqual 0x0205
Pass depth test if fragment depth is not equal to z-buffer value
Methods¶
- __init__(parent: QNode = None)
The constructor creates a new QDepthTest::QDepthTest instance with the specified parent.
- depthFunction() → DepthFunction
See also
- setDepthFunction(DepthFunction)
See also
Signals¶
- depthFunctionChanged(DepthFunction)
TODO
