- Qt 5.15
- Qt 3D
- C++ Classes
- QRenderCapabilities
- Qt 5.15.18 Reference Documentation

# QRenderCapabilities Class

class Qt3DRender::QRenderCapabilities

The QRenderCapabilities class holds settings related to available rendering engines. More...

Header: | #include <QRenderCapabilities>
Since: | Qt 5.15
Instantiated By: | RenderCapabilities
Inherits: | QObject

This class was introduced in Qt 5.15.

- List of all members, including inherited members

## Properties

- api : const API
- driverVersion : const QString
- extensions : const QStringList
- glslVersion : const QString
- majorVersion : const int
- maxComputeInvocations : const int
- maxComputeSharedMemorySize : const int
- maxImageUnits : const int
- maxSSBOBindings : const int
- maxSSBOSize : const int
- maxSamples : const int
- maxTextureLayers : const int
- maxTextureSize : const int
- maxTextureUnits : const int
- maxUBOBindings : const int
- maxUBOSize : const int

- maxWorkGroupCountX : const int
- maxWorkGroupCountY : const int
- maxWorkGroupCountZ : const int
- maxWorkGroupSizeX : const int
- maxWorkGroupSizeY : const int
- maxWorkGroupSizeZ : const int
- minorVersion : const int
- profile : const Profile
- renderer : const QString
- supportsCompute : const bool
- supportsImageStore : const bool
- supportsSSBO : const bool
- supportsUBO : const bool
- valid : const bool
- vendor : const QString

## Public Functions

API | api() const
QString | driverVersion() const
QStringList | extensions() const
QString | glslVersion() const
bool | isValid() const
int | majorVersion() const
int | maxComputeInvocations() const
int | maxComputeSharedMemorySize() const
int | maxImageUnits() const
int | maxSSBOBindings() const
int | maxSSBOSize() const
int | maxSamples() const
int | maxTextureLayers() const
int | maxTextureSize() const
int | maxTextureUnits() const
int | maxUBOBindings() const
int | maxUBOSize() const
int | maxWorkGroupCountX() const
int | maxWorkGroupCountY() const
int | maxWorkGroupCountZ() const
int | maxWorkGroupSizeX() const
int | maxWorkGroupSizeY() const
int | maxWorkGroupSizeZ() const
int | minorVersion() const
Profile | profile() const
QString | renderer() const
bool | supportsCompute() const
bool | supportsImageStore() const
bool | supportsSSBO() const
bool | supportsUBO() const
QString | vendor() const

## Detailed Description

QRenderCapabilities provides details of graphical features that are available at runtime. It can be used to decide which code path to use for some algorithms, for example, depending on whether compute shaders are available or not.

## Property Documentation

### api : const API

Returns which API is currently in use.

Access functions:

API | api() const

### driverVersion : const QString

Returns the driver version string.

Access functions:

QString | driverVersion() const

### extensions : const QStringList

Returns the list of extensions currently available.

Access functions:

QStringList | extensions() const

### glslVersion : const QString

Returns the GLSL version string.

Access functions:

QString | glslVersion() const

### majorVersion : const int

Returns the major version number currently in use.

Access functions:

int | majorVersion() const

### maxComputeInvocations : const int

Returns the maximum number of Compute Shaders available.

Access functions:

int | maxComputeInvocations() const

### maxComputeSharedMemorySize : const int

Returns the maximum amount of shared memory available for Compute Shaders.

Access functions:

int | maxComputeSharedMemorySize() const

### maxImageUnits : const int

Returns the maximum number of available image units.

Access functions:

int | maxImageUnits() const

### maxSSBOBindings : const int

Returns the maximum number of available SSBO binding points, if supported.

Access functions:

int | maxSSBOBindings() const

### maxSSBOSize : const int

Returns the maximum size of SSBOs, if available.

Access functions:

int | maxSSBOSize() const

### maxSamples : const int

Returns the maximum number of samples available for MSAA.

Access functions:

int | maxSamples() const

### maxTextureLayers : const int

Returns the number of available texture layers.

Access functions:

int | maxTextureLayers() const

### maxTextureSize : const int

Returns the maximum size of textures.

Access functions:

int | maxTextureSize() const

### maxTextureUnits : const int

Returns the number of available texture units.

Access functions:

int | maxTextureUnits() const

### maxUBOBindings : const int

Returns the maximum number of available UBO binding points, if supported.

Access functions:

int | maxUBOBindings() const

### maxUBOSize : const int

Returns the maximum size of UBOs, if supported.

Access functions:

int | maxUBOSize() const

### maxWorkGroupCountX : const int

Returns the maximum number of available Compute Shader workgroups in the X axis.

Access functions:

int | maxWorkGroupCountX() const

### maxWorkGroupCountY : const int

Returns the maximum number of available Compute Shader workgroups in the Y axis.

Access functions:

int | maxWorkGroupCountY() const

### maxWorkGroupCountZ : const int

Returns the maximum number of available Compute Shader workgroups in the Z axis.

Access functions:

int | maxWorkGroupCountZ() const

### maxWorkGroupSizeX : const int

Returns the maximum size of Compute Shader local workgroups in the X axis.

Access functions:

int | maxWorkGroupSizeX() const

### maxWorkGroupSizeY : const int

Returns the maximum size of Compute Shader local workgroups in the Y axis.

Access functions:

int | maxWorkGroupSizeY() const

### maxWorkGroupSizeZ : const int

Returns the maximum size of Compute Shader local workgroups in the Z axis.

Access functions:

int | maxWorkGroupSizeZ() const

### minorVersion : const int

Returns the minor version number currently in use.

Access functions:

int | minorVersion() const

### profile : const Profile

Returns which profile (if applicable) is currently in use.

Access functions:

Profile | profile() const

### renderer : const QString

Returns the device identification string.

Access functions:

QString | renderer() const

### supportsCompute : const bool

Returns true if Compute Shaders are supported.

Access functions:

bool | supportsCompute() const

### supportsImageStore : const bool

Returns true if Image Store operations are supported.

Access functions:

bool | supportsImageStore() const

### supportsSSBO : const bool

Returns true if SSBOs are supported.

Access functions:

bool | supportsSSBO() const

### supportsUBO : const bool

Returns true if UBOs are supported.

Access functions:

bool | supportsUBO() const

### valid : const bool

true if the data is valid, otherwise Qt 3D failed to query the available hardware.

Access functions:

bool | isValid() const

### vendor : const QString

Returns the vendor identification string.

Access functions:

QString | vendor() const