diff options
Diffstat (limited to 'src/opencl/qclworksize.cpp')
| -rw-r--r-- | src/opencl/qclworksize.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/opencl/qclworksize.cpp b/src/opencl/qclworksize.cpp index 840dc39..eb47213 100644 --- a/src/opencl/qclworksize.cpp +++ b/src/opencl/qclworksize.cpp @@ -222,6 +222,33 @@ QCLWorkSize QCLWorkSize::toLocalWorkSize(const QCLDevice &device) const device.maximumWorkItemsPerGroup()); } +static inline size_t qt_cl_round_to(size_t value, size_t multiple) +{ + if (multiple <= 1) + return value; + size_t remainder = value % multiple; + if (!remainder) + return value; + else + return value + multiple - remainder; +} + +/*! + Returns the result of rounding this work size up to a multiple of \a size. +*/ +QCLWorkSize QCLWorkSize::roundTo(const QCLWorkSize &size) const +{ + if (m_dim == 1) + return QCLWorkSize(qt_cl_round_to(m_sizes[0], size.m_sizes[0])); + else if (m_dim == 2) + return QCLWorkSize(qt_cl_round_to(m_sizes[0], size.m_sizes[0]), + qt_cl_round_to(m_sizes[1], size.m_sizes[1])); + else + return QCLWorkSize(qt_cl_round_to(m_sizes[0], size.m_sizes[0]), + qt_cl_round_to(m_sizes[1], size.m_sizes[1]), + qt_cl_round_to(m_sizes[2], size.m_sizes[2])); +} + /*! Returns the string form of this work size, with components separated by 'x'. |