QShaderVersion Class Reference

\inmodule QtGui More...

#include <qshader.h>

Collaboration diagram for QShaderVersion:

Public Types
enum	Flag { GlslEs = 0x01 }
	Describes the flags that can be set. More...

Public Member Functions
	QShaderVersion ()=default
	QShaderVersion (int v, Flags f=Flags())
	Constructs a new QShaderVersion with version v and flags f.
int	version () const
void	setVersion (int v)
	Sets the shading language version to v.
Flags	flags () const
void	setFlags (Flags f)
	Sets the flags f.

Related Symbols
(Note that these are not member symbols.)
bool	operator== (const QShaderVersion &lhs, const QShaderVersion &rhs) noexcept
	Returns true if the two QShaderVersion objects lhs and rhs are equal.
bool	operator< (const QShaderVersion &lhs, const QShaderVersion &rhs) noexcept
bool	operator!= (const QShaderVersion &lhs, const QShaderVersion &rhs)
	Returns false if the values in the two QShaderVersion objects lhs and rhs are equal; otherwise returns true.

Detailed Description

\inmodule QtGui

Since

6.6

Specifies the shading language version.

While languages like SPIR-V or the Metal Shading Language use traditional version numbers, shaders for other APIs can use slightly different versioning schemes. All those are mapped to a single version number in here, however. For HLSL, the version refers to the Shader Model version, like 5.0, 5.1, or 6.0. For GLSL an additional flag is needed to choose between GLSL and GLSL/ES.

Below is a list with the most common examples of shader versions for different graphics APIs:

\list

• Vulkan (SPIR-V): 100
• OpenGL: 120, 330, 440, etc.
• OpenGL ES: 100 with GlslEs, 300 with GlslEs, etc.
• Direct3D: 50, 51, 60
• Metal: 12, 20 \endlist

A default constructed QShaderVersion contains a version of 100 and no flags set.

Note

This is a RHI API with limited compatibility guarantees, see \l QShader for details.

Definition at line 31 of file qshader.h.

Member Enumeration Documentation

Flag

enum QShaderVersion::Flag

Describes the flags that can be set.

\value GlslEs Indicates that GLSL/ES is meant in combination with GlslShader

Enumerator
GlslEs

Definition at line 34 of file qshader.h.

Constructor & Destructor Documentation

QShaderVersion() [1/2]

QShaderVersion::QShaderVersion ( )

default

QShaderVersion() [2/2]

QShaderVersion::QShaderVersion	(	int	v,
		Flags	f = Flags()
	)

Constructs a new QShaderVersion with version v and flags f.

Definition at line 637 of file qshader.cpp.

Member Function Documentation

flags()

QShaderVersion::Flags QShaderVersion::flags ( ) const

inline

Returns

the flags.

Definition at line 45 of file qshader.h.

Referenced by writeShaderKey().

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setFlags()

void QShaderVersion::setFlags ( Flags  f )

inline

Sets the flags f.

Definition at line 46 of file qshader.h.

Referenced by readShaderKey().

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setVersion()

void QShaderVersion::setVersion ( int  v )

inline

Sets the shading language version to v.

Definition at line 43 of file qshader.h.

Referenced by readShaderKey().

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version()

int QShaderVersion::version ( ) const

inline

Returns

the version.

Definition at line 42 of file qshader.h.

Referenced by toMetalLanguageVersion(), and writeShaderKey().

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Friends And Related Symbol Documentation

operator!=()

bool operator!= ( const QShaderVersion &  lhs, const QShaderVersion &  rhs  )

related

Returns false if the values in the two QShaderVersion objects lhs and rhs are equal; otherwise returns true.

Definition at line 212 of file qshader.h.

operator<()

bool operator< ( const QShaderVersion &  lhs, const QShaderVersion &  rhs  )

related

Returns

true if lhs is smaller than rhs.

Establishes a sorting order between the two QShaderVersion lhs and rhs.

Definition at line 811 of file qshader.cpp.

operator==()

bool operator== ( const QShaderVersion &  lhs, const QShaderVersion &  rhs  )

related

Returns true if the two QShaderVersion objects lhs and rhs are equal.

Definition at line 792 of file qshader.cpp.

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The documentation for this class was generated from the following files:

• qtbase/src/gui/rhi/qshader.h
• qtbase/src/gui/rhi/qshader.cpp