内容

• 公共类型
• 特性
• 公共函数
• 公共槽
• 信号
• 静态公共成员
• 保护函数
• 详细描述

QShaderProgram Class

( Qt3DRender::QShaderProgram )

Encapsulates a Shader Program. 更多...

头：	#include <QShaderProgram>
qmake:	QT += 3drender
Since:	Qt 5.5
实例化：	ShaderProgram
继承：	Qt3DCore::QNode

• 所有成员列表，包括继承成员

公共类型

enum	ShaderType { Vertex, Fragment, TessellationControl, TessellationEvaluation, Geometry, Compute }
enum	Status { NotReady, Ready, Error }

特性

computeShaderCode : QByteArray fragmentShaderCode : QByteArray geometryShaderCode : QByteArray log : const QString

status : const Status tessellationControlShaderCode : QByteArray tessellationEvaluationShaderCode : QByteArray vertexShaderCode : QByteArray

• 3 特性继承自 Qt3DCore::QNode
• 1 特性继承自 QObject

公共函数

	QShaderProgram (Qt3DCore::QNode * parent = nullptr)
	~QShaderProgram ()
QByteArray	computeShaderCode () const
QByteArray	fragmentShaderCode () const
QByteArray	geometryShaderCode () const
QString	log () const
void	setShaderCode (ShaderType type , const QByteArray & shaderCode )
QByteArray	shaderCode (ShaderType type ) const
Status	status () const
QByteArray	tessellationControlShaderCode () const
QByteArray	tessellationEvaluationShaderCode () const
QByteArray	vertexShaderCode () const

• 11 public functions inherited from Qt3DCore::QNode
• 32 公共函数继承自 QObject

公共槽

void	setComputeShaderCode (const QByteArray & computeShaderCode )
void	setFragmentShaderCode (const QByteArray & fragmentShaderCode )
void	setGeometryShaderCode (const QByteArray & geometryShaderCode )
void	setTessellationControlShaderCode (const QByteArray & tessellationControlShaderCode )
void	setTessellationEvaluationShaderCode (const QByteArray & tessellationEvaluationShaderCode )
void	setVertexShaderCode (const QByteArray & vertexShaderCode )

• 3 公共槽继承自 Qt3DCore::QNode
• 1 公共槽继承自 QObject

信号

void	computeShaderCodeChanged (const QByteArray & computeShaderCode )
void	fragmentShaderCodeChanged (const QByteArray & fragmentShaderCode )
void	geometryShaderCodeChanged (const QByteArray & geometryShaderCode )
void	logChanged (const QString & log )
void	statusChanged (Status status )
void	tessellationControlShaderCodeChanged (const QByteArray & tessellationControlShaderCode )
void	tessellationEvaluationShaderCodeChanged (const QByteArray & tessellationEvaluationShaderCode )
void	vertexShaderCodeChanged (const QByteArray & vertexShaderCode )

• 4 信号继承自 Qt3DCore::QNode
• 2 信号继承自 QObject

静态公共成员

QByteArray

loadSource (const QUrl & sourceUrl )

• 11 静态公共成员继承自 QObject

保护函数

	QShaderProgram (QShaderProgramPrivate & dd , Qt3DCore::QNode * parent = nullptr)
void	sceneChangeEvent (const Qt3DCore::QSceneChangePtr & change )

• 2 protected functions inherited from Qt3DCore::QNode
• 9 保护函数继承自 QObject

详细描述

Encapsulates a Shader Program.

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

成员类型文档编制

enum QShaderProgram:: ShaderType

This enum identifies the type of shader used.

常量	值	描述
Qt3DRender::QShaderProgram::Vertex	0	Vertex shader
Qt3DRender::QShaderProgram::Fragment	1	Fragment shader
Qt3DRender::QShaderProgram::TessellationControl	2	Tesselation control shader
Qt3DRender::QShaderProgram::TessellationEvaluation	3	Tesselation evaluation shader
Qt3DRender::QShaderProgram::Geometry	4	Geometry shader
Qt3DRender::QShaderProgram::Compute	5	Compute shader

enum QShaderProgram:: Status

This enum identifies the status of shader used.

常量	值	描述
Qt3DRender::QShaderProgram::NotReady	0	The shader hasn't been compiled and linked yet
Qt3DRender::QShaderProgram::Ready	1	The shader was successfully compiled
Qt3DRender::QShaderProgram::Error	2	An error occurred while compiling the shader

特性文档编制

computeShaderCode : QByteArray

Holds the compute shader code used by this shader program.

访问函数：

QByteArray	computeShaderCode () const
void	setComputeShaderCode (const QByteArray & computeShaderCode )

通知程序信号：

void	computeShaderCodeChanged (const QByteArray & computeShaderCode )

fragmentShaderCode : QByteArray

Holds the fragment shader code used by this shader program.

访问函数：

QByteArray	fragmentShaderCode () const
void	setFragmentShaderCode (const QByteArray & fragmentShaderCode )

通知程序信号：

void	fragmentShaderCodeChanged (const QByteArray & fragmentShaderCode )

geometryShaderCode : QByteArray

Holds the geometry shader code used by this shader program.

访问函数：

QByteArray	geometryShaderCode () const
void	setGeometryShaderCode (const QByteArray & geometryShaderCode )

通知程序信号：

void	geometryShaderCodeChanged (const QByteArray & geometryShaderCode )

log : const QString

Holds the log of the current shader program. This is useful to diagnose a compilation failure of the shader program.

访问函数：

QString

log () const

通知程序信号：

void	logChanged (const QString & log )

status : const Status

Holds the status of the current shader program.

访问函数：

Status

status () const

通知程序信号：

void	statusChanged (Status status )

tessellationControlShaderCode : QByteArray

Holds the tesselation control shader code used by this shader program.

访问函数：

QByteArray	tessellationControlShaderCode () const
void	setTessellationControlShaderCode (const QByteArray & tessellationControlShaderCode )

通知程序信号：

void	tessellationControlShaderCodeChanged (const QByteArray & tessellationControlShaderCode )

tessellationEvaluationShaderCode : QByteArray

Holds the tesselation evaluation shader code used by this shader program.

访问函数：

QByteArray	tessellationEvaluationShaderCode () const
void	setTessellationEvaluationShaderCode (const QByteArray & tessellationEvaluationShaderCode )

通知程序信号：

void	tessellationEvaluationShaderCodeChanged (const QByteArray & tessellationEvaluationShaderCode )

vertexShaderCode : QByteArray

Holds the vertex shader code used by this shader program.

访问函数：

QByteArray	vertexShaderCode () const
void	setVertexShaderCode (const QByteArray & vertexShaderCode )

通知程序信号：

void	vertexShaderCodeChanged (const QByteArray & vertexShaderCode )

成员函数文档编制

QShaderProgram:: QShaderProgram ( Qt3DCore::QNode * parent = nullptr)

Default constructs an instance of QShaderProgram.

[protected] QShaderProgram:: QShaderProgram ( QShaderProgramPrivate & dd , Qt3DCore::QNode * parent = nullptr)

Copy constructor.

QShaderProgram:: ~QShaderProgram ()

Destroys the instance of QShaderProgram.

[static] QByteArray QShaderProgram:: loadSource (const QUrl & sourceUrl )

Returns the shader code loaded from sourceUrl .

[protected] void QShaderProgram:: sceneChangeEvent (const Qt3DCore::QSceneChangePtr & change )

Posts a scene change with parameter change .

void QShaderProgram:: setShaderCode ( ShaderType type , const QByteArray & shaderCode )

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

另请参阅 shaderCode ().

QByteArray QShaderProgram:: shaderCode ( ShaderType type ) const

Returns the shader code for type .

另请参阅 setShaderCode ().

Status QShaderProgram:: status () const

Returns the status of the current shader program.

注意： Getter 函数对于特性 status .