bool ConvFilterBase::setFilterKernel(const float *filter, int size, int filter_w,
QCLBuffer & filter_ocl,
QCLKernel & kernel_ocl,
int & filter_ocl_size)
{
if (size != filter_ocl_size)
{
filter_ocl = m_ctx->createBufferCopy(filter, size * sizeof(float), QCLMemoryObject::ReadOnly);
if (filter_ocl.isNull())
{
ERRORM("Failed to create convolution kernel buffer: " << m_ctx->lastError());
return false;
}
filter_ocl_size = size;
kernel_ocl.setArg(FILTER_IDX, filter_ocl);
kernel_ocl.setArg(FILTER_SIZE_IDX, filter_w);
kernel_ocl.setArg(FILTER_SIZE_HALF_IDX, (filter_w - 1) / 2);
}
else
{
if (!filter_ocl.write(filter, size * sizeof(float)))
{
ERRORM("Failed to write convolution kernel data: " << m_ctx->lastError());
return false;
}
}
return true;
}
