Qt3DRender.QShaderProgram ¶

概要 ¶

详细描述 ¶

A shader program consists of several different shaders, such as vertex and fragment shaders.

Qt3D will automatically populate a set of default uniforms if they are encountered during the shader instrospection phase.

+——————————————–+——————————+-+——————————————————————-+++ | Default Uniform | Associated Qt3D Parameter name | GLSL declaration | +——————————————–+——————————+-+——————————————————————-+++ | ModelMatrix | modelMatrix | uniform mat4 modelMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | ViewMatrix | viewMatrix | uniform mat4 viewMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | ProjectionMatrix | projectionMatrix | uniform mat4 projectionMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | ModelViewMatrix | modelView | uniform mat4 modelView; | +——————————————–+——————————+-+——————————————————————-+++ | ViewProjectionMatrix | viewProjectionMatrix | uniform mat4 viewProjectionMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | ModelViewProjectionMatrix | modelViewProjection mvp | uniform mat4 modelViewProjection; uniform mat4 mvp; | +——————————————–+——————————+-+——————————————————————-+++ | InverseModelMatrix | inverseModelMatrix | uniform mat4 inverseModelMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | InverseViewMatrix | inverseViewMatrix | uniform mat4 inverseViewMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | InverseProjectionMatrix | inverseProjectionMatrix | uniform mat4 inverseProjectionMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | InverseModelViewMatrix | inverseModelView | uniform mat4 inverseModelView; | +——————————————–+——————————+-+——————————————————————-+++ | InverseViewProjectionMatrix | inverseViewProjectionMatrix | uniform mat4 inverseViewProjectionMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | InverseModelViewProjectionMatrix | inverseModelViewProjection | uniform mat4 inverseModelViewProjection; | +——————————————–+——————————+-+——————————————————————-+++ | ModelNormalMatrix | modelNormalMatrix | uniform mat3 modelNormalMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | ModelViewNormalMatrix | modelViewNormal | uniform mat3 modelViewNormal; | +——————————————–+——————————+-+——————————————————————-+++ | ViewportMatrix | viewportMatrix | uniform mat4 viewportMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | InverseViewportMatrix | inverseViewportMatrix | uniform mat4 inverseViewportMatrix; | +——————————————–+——————————+-+——————————————————————-+++ | AspectRatio (surface width / surface height)|aspectRatio | uniform float aspectRatio; | +——————————————–+——————————+-+——————————————————————-+++ | Exposure | exposure | uniform float exposure; | +——————————————–+——————————+-+——————————————————————-+++ | Gamma | gamma | uniform float gamma; | +——————————————–+——————————+-+——————————————————————-+++ | Time (in nano seconds) | time | uniform float time; | +——————————————–+——————————+-+——————————————————————-+++ | EyePosition | eyePosition | uniform vec3 eyePosition; | +——————————————–+——————————+-+——————————————————————-+++ | SkinningPalette | skinningPalette[0] | const int maxJoints = 100; uniform mat4 skinningPalette[maxJoints]; | +——————————————–+——————————+-+——————————————————————-+++

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

参数

parent – QNode

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. ShaderType ¶

This enum identifies the type of shader used.

常量	描述
Qt3DRender.QShaderProgram.Vertex	Vertex shader
Qt3DRender.QShaderProgram.Fragment	Fragment shader
Qt3DRender.QShaderProgram.TessellationControl	Tesselation control shader
Qt3DRender.QShaderProgram.TessellationEvaluation	Tesselation evaluation shader
Qt3DRender.QShaderProgram.Geometry	Geometry shader
Qt3DRender.QShaderProgram.Compute	Compute shader

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. Status ¶

This enum identifies the status of shader used.

常量	描述
Qt3DRender.QShaderProgram.NotReady	The shader hasn’t been compiled and linked yet
Qt3DRender.QShaderProgram.Ready	The shader was successfully compiled
Qt3DRender.QShaderProgram.Error	An error occurred while compiling the shader

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. computeShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setComputeShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. computeShaderCodeChanged ( computeShaderCode ) ¶

参数

computeShaderCode – QByteArray

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. fragmentShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setFragmentShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. fragmentShaderCodeChanged ( fragmentShaderCode ) ¶

参数

fragmentShaderCode – QByteArray

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. geometryShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setGeometryShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. geometryShaderCodeChanged ( geometryShaderCode ) ¶

参数

geometryShaderCode – QByteArray

static PySide2.Qt3DRender.Qt3DRender.QShaderProgram. loadSource ( sourceUrl ) ¶

参数

sourceUrl – QUrl

返回类型

QByteArray

Returns the shader code loaded from sourceUrl .

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. log ( ) ¶

返回类型

unicode

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. logChanged ( log ) ¶

参数

log – unicode

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setComputeShaderCode ( computeShaderCode ) ¶

参数

computeShaderCode – QByteArray

另请参阅

computeShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setFragmentShaderCode ( fragmentShaderCode ) ¶

参数

fragmentShaderCode – QByteArray

另请参阅

fragmentShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setGeometryShaderCode ( geometryShaderCode ) ¶

参数

geometryShaderCode – QByteArray

另请参阅

geometryShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setShaderCode ( type , shaderCode ) ¶

参数

• type – ShaderType

• shaderCode – QByteArray

Sets the shader code for type of shader to the shaderCode .

另请参阅

shaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setTessellationControlShaderCode ( tessellationControlShaderCode ) ¶

参数

tessellationControlShaderCode – QByteArray

另请参阅

tessellationControlShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setTessellationEvaluationShaderCode ( tessellationEvaluationShaderCode ) ¶

参数

tessellationEvaluationShaderCode – QByteArray

另请参阅

tessellationEvaluationShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. setVertexShaderCode ( vertexShaderCode ) ¶

参数

vertexShaderCode – QByteArray

另请参阅

vertexShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. shaderCode ( type ) ¶

参数

type – ShaderType

返回类型

QByteArray

Returns the shader code for type .

另请参阅

setShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. status ( ) ¶

返回类型

Status

Returns the status of the current shader program.

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. statusChanged ( status ) ¶

参数

status – Status

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. tessellationControlShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setTessellationControlShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. tessellationControlShaderCodeChanged ( tessellationControlShaderCode ) ¶

参数

tessellationControlShaderCode – QByteArray

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. tessellationEvaluationShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setTessellationEvaluationShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. tessellationEvaluationShaderCodeChanged ( tessellationEvaluationShaderCode ) ¶

参数

tessellationEvaluationShaderCode – QByteArray

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. vertexShaderCode ( ) ¶

返回类型

QByteArray

另请参阅

setVertexShaderCode()

PySide2.Qt3DRender.Qt3DRender.QShaderProgram. vertexShaderCodeChanged ( vertexShaderCode ) ¶

参数

vertexShaderCode – QByteArray