Qt3DRender.QEffect ¶

概要 ¶

详细描述 ¶

QEffect class combines a set of techniques and parameters used by those techniques to produce a rendering effect for a material.

An QEffect instance should be shared among several QMaterial instances when possible.

注意

QEffect node can not be disabled.

QEffect *effect = new QEffect();
// Create technique, render pass and shader
QTechnique *gl3Technique = new QTechnique();
QRenderPass *gl3Pass = new QRenderPass();
QShaderProgram *glShader = new QShaderProgram();
// Set the shader on the render pass
gl3Pass->setShaderProgram(glShader);
// Add the pass to the technique
gl3Technique->addRenderPass(gl3Pass);
// Set the targeted GL version for the technique
gl3Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL);
gl3Technique->graphicsApiFilter()->setMajorVersion(3);
gl3Technique->graphicsApiFilter()->setMinorVersion(1);
gl3Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::CoreProfile);
// Add the technique to the effect
effect->addTechnique(gl3Technique);
											

A QParameter defined on an Effect is overridden by a QParameter (of the same name) defined in a QMaterial , QTechniqueFilter , QRenderPassFilter .

另请参阅

QMaterial QTechnique QParameter

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

参数

parent – QNode

PySide2.Qt3DRender.Qt3DRender.QEffect. addParameter ( 参数 ) ¶

参数

参数 – QParameter

添加 参数 to the effect. It sends an update to the backend. The 参数 will be used to set a corresponding uniform value in the shader used by this effect.

PySide2.Qt3DRender.Qt3DRender.QEffect. addTechnique ( t ) ¶

参数

t – QTechnique

Adds a new technique t to the effect. It sends an update to the backend.

PySide2.Qt3DRender.Qt3DRender.QEffect. 参数 ( ) ¶

返回类型

Returns the list of parameters used by the effect.

PySide2.Qt3DRender.Qt3DRender.QEffect. removeParameter ( 参数 ) ¶

参数

参数 – QParameter

Removes a parameter 参数 from the effect.

PySide2.Qt3DRender.Qt3DRender.QEffect. removeTechnique ( t ) ¶

参数

t – QTechnique

Removes a technique t from the effect.

PySide2.Qt3DRender.Qt3DRender.QEffect. techniques ( ) ¶

返回类型

Returns the list of techniques used by the effect.