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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkOpenCLSampler.h"
#include "itkOpenCLContext.h"
namespace itk
{
OpenCLSampler::OpenCLSampler(const OpenCLSampler & other)
: m_Context(other.m_Context)
, m_Id(other.m_Id)
{
if (!this->IsNull())
{
clRetainSampler(this->m_Id);
}
}
//------------------------------------------------------------------------------
OpenCLSampler::~OpenCLSampler()
{
if (!this->IsNull())
{
clReleaseSampler(this->m_Id);
}
}
//------------------------------------------------------------------------------
OpenCLSampler &
OpenCLSampler::operator=(const OpenCLSampler & other)
{
this->m_Context = other.m_Context;
if (other.m_Id)
{
clRetainSampler(other.m_Id);
}
if (this->m_Id)
{
clReleaseSampler(this->m_Id);
}
this->m_Id = other.m_Id;
return *this;
}
//------------------------------------------------------------------------------
bool
OpenCLSampler::GetNormalizedCoordinates() const
{
if (!this->IsNull())
{
cl_bool normalized = CL_FALSE;
clGetSamplerInfo(this->m_Id, CL_SAMPLER_NORMALIZED_COORDS, sizeof(normalized), &normalized, 0);
return normalized != CL_FALSE;
}
else
{
return false;
}
}
//------------------------------------------------------------------------------
OpenCLSampler::AddressingMode
OpenCLSampler::GetAddressingMode() const
{
if (!this->IsNull())
{
cl_addressing_mode addressing;
clGetSamplerInfo(this->m_Id, CL_SAMPLER_ADDRESSING_MODE, sizeof(addressing), &addressing, 0);
return OpenCLSampler::AddressingMode(addressing);
}
else
{
return ClampToEdge;
}
}
//------------------------------------------------------------------------------
OpenCLSampler::FilterMode
OpenCLSampler::GetFilterMode() const
{
if (!this->IsNull())
{
cl_filter_mode filter;
clGetSamplerInfo(this->m_Id, CL_SAMPLER_FILTER_MODE, sizeof(filter), &filter, 0);
return OpenCLSampler::FilterMode(filter);
}
else
{
return Linear;
}
}
//------------------------------------------------------------------------------
//! Operator ==
bool
operator==(const OpenCLSampler & lhs, const OpenCLSampler & rhs)
{
if (&rhs == &lhs)
{
return true;
}
return lhs.GetSamplerId() == rhs.GetSamplerId();
}
//------------------------------------------------------------------------------
//! Operator !=
bool
operator!=(const OpenCLSampler & lhs, const OpenCLSampler & rhs)
{
return !(lhs == rhs);
}
} // end namespace itk
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