QBlendEquationArguments Class

(Qt3DRender::QBlendEquationArguments)

Encapsulates blending information: specifies how the incoming values (what's going to be drawn) are going to affect the existing values (what is already drawn). More...

Header:	#include <QBlendEquationArguments>
qmake:	QT += 3drender
Since:	Qt 5.5
Instantiated By:	BlendEquationArguments
Inherits:	Qt3DRender::QRenderState

This class was introduced in Qt 5.5.

• List of all members, including inherited members

Public Types

enum	Blending { Zero, One, SourceColor, SourceAlpha, Source1Alpha, …, OneMinusSource1Color0 }

Properties

bufferIndex : int destinationAlpha : Blending destinationRgb : Blending

sourceAlpha : Blending sourceRgb : Blending

Public Functions

	QBlendEquationArguments(Qt3DCore::QNode *parent = nullptr)
int	bufferIndex() const
Qt3DRender::QBlendEquationArguments::Blending	destinationAlpha() const
Qt3DRender::QBlendEquationArguments::Blending	destinationRgb() const
Qt3DRender::QBlendEquationArguments::Blending	sourceAlpha() const
Qt3DRender::QBlendEquationArguments::Blending	sourceRgb() const

Public Slots

void	setBufferIndex(int index)
void	setDestinationAlpha(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha)
void	setDestinationRgb(Qt3DRender::QBlendEquationArguments::Blending destinationRgb)
void	setDestinationRgba(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)
void	setSourceAlpha(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha)
void	setSourceRgb(Qt3DRender::QBlendEquationArguments::Blending sourceRgb)
void	setSourceRgba(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)

Signals

void	bufferIndexChanged(int index)
void	destinationAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha)
void	destinationRgbChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgb)
void	destinationRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)
void	sourceAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha)
void	sourceRgbChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgb)
void	sourceRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)

Detailed Description

OpenGL pre-3.0: Set the same blend state for all draw buffers (one QBlendEquationArguments) OpenGL 3.0-pre4.0: Set the same blend state for all draw buffers, but can disable blending for particular buffers (one QBlendEquationArguments for setting glBlendFunc, n QBlendEquationArgumentss for enabling/disabling Draw Buffers) OpenGL 4.0+: Can set blend state individually for each draw buffer.

Member Type Documentation

enum QBlendEquationArguments::Blending

Constant	Value	Description
Qt3DRender::QBlendEquationArguments::Zero	0	GL_ZERO
Qt3DRender::QBlendEquationArguments::One	1	GL_ONE
Qt3DRender::QBlendEquationArguments::SourceColor	0x0300	GL_SRC_COLOR
Qt3DRender::QBlendEquationArguments::SourceAlpha	0x0302	GL_SRC_ALPHA
Qt3DRender::QBlendEquationArguments::Source1Alpha	0x303	GL_SRC1_ALPHA
Qt3DRender::QBlendEquationArguments::Source1Color	0x304	GL_SRC1_COLOR
Qt3DRender::QBlendEquationArguments::DestinationColor	0x0306	GL_DST_COLOR
Qt3DRender::QBlendEquationArguments::DestinationAlpha	0x0304	GL_DST_ALPHA
Qt3DRender::QBlendEquationArguments::SourceAlphaSaturate	0x0308	GL_SRC_ALPHA_SATURATE
Qt3DRender::QBlendEquationArguments::ConstantColor	0x8001	0GL_CONSTANT_COLOR
Qt3DRender::QBlendEquationArguments::ConstantAlpha	0x8003	GL_CONSTANT_ALPHA
Qt3DRender::QBlendEquationArguments::OneMinusSourceColor	0x0301	GL_ONE_MINUS_SRC_COLOR
Qt3DRender::QBlendEquationArguments::OneMinusSourceAlpha	0x0303	GL_ONE_MINUS_SRC_ALPHA
Qt3DRender::QBlendEquationArguments::OneMinusDestinationAlpha	0x0305	GL_ONE_MINUS_DST_ALPHA
Qt3DRender::QBlendEquationArguments::OneMinusDestinationColor	0x0307	GL_ONE_MINUS_DST_COLOR
Qt3DRender::QBlendEquationArguments::OneMinusConstantColor	0x8002	GL_ONE_MINUS_CONSTANT_COLOR
Qt3DRender::QBlendEquationArguments::OneMinusConstantAlpha	0x8004	GL_ONE_MINUS_CONSTANT_ALPHA
Qt3DRender::QBlendEquationArguments::OneMinusSource1Alpha	0x8005	GL_ONE_MINUS_SRC1_ALPHA
Qt3DRender::QBlendEquationArguments::OneMinusSource1Color	0x8006	GL_ONE_MINUS_SRC1_COLOR
Qt3DRender::QBlendEquationArguments::OneMinusSource1Color0	OneMinusSource1Color	GL_ONE_MINUS_SRC1_COLOR (deprecated)

Member Function Documentation

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

The constructor creates a new blend state object with the specified parent.

[signal] void QBlendEquationArguments::destinationRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)

Notify that both destinationRgb and destinationAlpha properties have changed to destinationRgba.

[slot] void QBlendEquationArguments::setDestinationRgba(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)

Change both destinationRgb and destinationAlpha properties to destinationRgba.

[slot] void QBlendEquationArguments::setSourceRgba(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)

Change both sourceRgb and sourceAlpha properties to sourceRgba.

[signal] void QBlendEquationArguments::sourceRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)

Notify that both sourceRgb and sourceAlpha properties have changed to sourceRgba.