diff options
Diffstat (limited to 'src/opencl/qcldevice.cpp')
| -rw-r--r-- | src/opencl/qcldevice.cpp | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/src/opencl/qcldevice.cpp b/src/opencl/qcldevice.cpp index 4ba2976..a1fc427 100644 --- a/src/opencl/qcldevice.cpp +++ b/src/opencl/qcldevice.cpp @@ -796,7 +796,10 @@ QString QCLDevice::profile() const Returns the OpenCL version that is implemented by this OpenCL device, usually something like \c{OpenCL 1.0}. - \sa driverVersion() + The versionFlags() function parses the version into flag bits + that are easier to test than the string returned by version(). + + \sa versionFlags(), driverVersion() */ QString QCLDevice::version() const { @@ -886,6 +889,52 @@ bool QCLDevice::hasExtension(const char *name) const return qt_cl_has_extension(buf.constData(), size, name); } +int qt_cl_version_flags(const QString &version) +{ + if (!version.startsWith(QLatin1String("OpenCL "))) + return 0; + int index = 7; + int major = 0; + int minor = 0; + while (index < version.length()) { + int ch = version[index].unicode(); + if (ch < '0' || ch > '9') + break; + major = major * 10 + (ch - '0'); + ++index; + } + if (index < version.length() && version[index] == QChar('.')) { + ++index; + while (index < version.length()) { + int ch = version[index].unicode(); + if (ch < '0' || ch > '9') + break; + minor = minor * 10 + (ch - '0'); + ++index; + } + } + int flags = 0; + if (major >= 1) + flags |= QCLPlatform::Version_1_0; + if ((major == 1 && minor >= 1) || major >= 2) + flags |= QCLPlatform::Version_1_1; + return flags; +} + +/*! + Returns the OpenCL versions supported by this device. + + \sa version(), QCLPlatform::versionFlags() +*/ +QCLPlatform::VersionFlags QCLDevice::versionFlags() const +{ + if (!m_flags) { + m_flags = qt_cl_version_flags + (qt_cl_paramString(m_id, CL_DEVICE_VERSION)); + } + return QCLPlatform::VersionFlags(m_flags); +} + /*! \fn cl_device_id QCLDevice::deviceId() const |