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.

Properties

Public Functions

Qt3DRender::QRenderCapabilities::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
Qt3DRender::QRenderCapabilities::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:

Qt3DRender::QRenderCapabilities::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:

Qt3DRender::QRenderCapabilities::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

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