Qt3DRender::QClearBuffers Class

class Qt3DRender::QClearBuffers

用于清除缓冲区的类。更多

Header: #include <QClearBuffers>
CMake: find_package(Qt6 REQUIRED COMPONENTS 3drender)
target_link_libraries(mytarget PRIVATE Qt6::3drender)
qmake: QT += 3drender
在 QML 中: ClearBuffers
继承: Qt3DRender::QFrameGraphNode
状态:已废弃

公共类型

enum BufferType { None, ColorBuffer, DepthBuffer, StencilBuffer, DepthStencilBuffer, …, AllBuffers }
flags BufferTypeFlags

属性

公共功能

QClearBuffers(Qt3DCore::QNode *parent = nullptr)
Qt3DRender::QClearBuffers::BufferType buffers() const
QColor clearColor() const
float clearDepthValue() const
int clearStencilValue() const
Qt3DRender::QRenderTargetOutput *colorBuffer() const

公共插槽

void setBuffers(Qt3DRender::QClearBuffers::BufferType buffers)
void setClearColor(const QColor &color)
void setClearDepthValue(float clearDepthValue)
void setClearStencilValue(int clearStencilValue)
void setColorBuffer(Qt3DRender::QRenderTargetOutput *buffer)

信号

void buffersChanged(Qt3DRender::QClearBuffers::BufferType buffers)
void clearColorChanged(const QColor &color)
void clearDepthValueChanged(float clearDepthValue)
void clearStencilValueChanged(int clearStencilValue)
void colorBufferChanged(Qt3DRender::QRenderTargetOutput *buffer)

详细说明

Qt3DRender::QClearBuffers FrameGraph 节点可使用特定值清除特定的渲染目标缓冲区。

成员类型文档

枚举 QClearBuffers::BufferType
flags QClearBuffers::BufferTypeFlags

此枚举类型描述要清除的缓冲区类型。

常量说明
Qt3DRender::QClearBuffers::None0不清除缓冲区
Qt3DRender::QClearBuffers::ColorBuffer(1 << 0)清除颜色缓冲区
Qt3DRender::QClearBuffers::DepthBuffer(1 << 1)清除深度缓冲区
Qt3DRender::QClearBuffers::StencilBuffer(1 << 2)清除模板缓冲区
Qt3DRender::QClearBuffers::DepthStencilBufferDepthBuffer | StencilBuffer清除深度和模板缓冲区
Qt3DRender::QClearBuffers::ColorDepthBufferColorBuffer | DepthBuffer清除颜色和深度缓冲区
Qt3DRender::QClearBuffers::ColorDepthStencilBufferColorBuffer | DepthStencilBuffer清除颜色、深度和钢网缓冲区
Qt3DRender::QClearBuffers::AllBuffers0xFFFFFFFF清除所有缓冲区

BufferTypeFlags 类型是QFlags<BufferType> 的类型定义。它存储缓冲类型值的 OR 组合。

属性文档

buffers : BufferType

指定要使用的缓冲区类型。

访问功能:

Qt3DRender::QClearBuffers::BufferType buffers() const
void setBuffers(Qt3DRender::QClearBuffers::BufferType buffers)

通知信号:

void buffersChanged(Qt3DRender::QClearBuffers::BufferType buffers)

clearColor : QColor

指定要使用的透明色。

访问功能:

QColor clearColor() const
void setClearColor(const QColor &color)

通知信号:

void clearColorChanged(const QColor &color)

clearDepthValue : float

指定要使用的清除深度值。

访问功能:

float clearDepthValue() const
void setClearDepthValue(float clearDepthValue)

通知信号:

void clearDepthValueChanged(float clearDepthValue)

clearStencilValue : int

指定要使用的模板值。

访问功能:

int clearStencilValue() const
void setClearStencilValue(int clearStencilValue)

通知信号:

void clearStencilValueChanged(int clearStencilValue)

colorBuffer : Qt3DRender::QRenderTargetOutput*

指定要清除的特定颜色缓冲区。如果设置为 NULL(默认值),且ColorBuffer 标志已设置,则将清除所有颜色缓冲区。

访问功能:

Qt3DRender::QRenderTargetOutput *colorBuffer() const
void setColorBuffer(Qt3DRender::QRenderTargetOutput *buffer)

Notifier 信号:

void colorBufferChanged(Qt3DRender::QRenderTargetOutput *buffer)

成员函数 文档

[explicit] QClearBuffers::QClearBuffers(Qt3DCore::QNode *parent = nullptr)

构造函数以指定的parent 创建一个实例。

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