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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.
*
*=========================================================================*/
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.
*
*=========================================================================*/
#ifndef itkOpenCLKernelManager_h
#define itkOpenCLKernelManager_h
#include <itkLightObject.h>
#include <itkObjectFactory.h>
#include "itkGPUDataManager.h"
#include "itkOpenCLContext.h"
#include "itkOpenCLKernel.h"
#include <vector>
namespace itk
{
/** \class OpenCLKernelManager
* \brief OpenCL kernel manager implemented using OpenCL.
*
* This class is responsible for managing the GPU kernel and
* command queue.
*
* \note This file was taken from ITK 4.1.0.
* It was modified by Denis P. Shamonin and Marius Staring.
* Division of Image Processing,
* Department of Radiology, Leiden, The Netherlands.
* Added functionality is described in the Insight Journal paper:
* http://hdl.handle.net/10380/3393
*
* \ingroup OpenCL
*/
class OpenCLContext;
class ITKOpenCL_EXPORT OpenCLKernelManager : public LightObject
{
public:
ITK_DISALLOW_COPY_AND_MOVE(OpenCLKernelManager);
/** Standard class typedefs. */
using Self = OpenCLKernelManager;
using Superclass = LightObject;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(OpenCLKernelManager, LightObject);
/** Returns the OpenCL context that this kernel manager was created within. */
OpenCLContext *
GetContext() const
{
return this->m_Context;
}
/** Returns the . */
OpenCLKernel &
GetKernel(const std::size_t kernelId);
OpenCLEvent
LaunchKernel(const std::size_t kernelId);
OpenCLEvent
LaunchKernel(const std::size_t kernelId,
const OpenCLSize & global_work_size,
const OpenCLSize & local_work_size = OpenCLSize::null,
const OpenCLSize & global_work_offset = OpenCLSize::null);
OpenCLEvent
LaunchKernel(const std::size_t kernelId, const OpenCLEventList & event_list);
OpenCLEvent
LaunchKernel(const std::size_t kernelId,
const OpenCLEventList & event_list,
const OpenCLSize & global_work_size,
const OpenCLSize & local_work_size = OpenCLSize::null,
const OpenCLSize & global_work_offset = OpenCLSize::null);
std::size_t
CreateKernel(const OpenCLProgram & program, const std::string & name);
OpenCLProgram
BuildProgramFromSourceCode(const std::string & sourceCode,
const std::string & prefixSourceCode = std::string(),
const std::string & postfixSourceCode = std::string(),
const std::string & extraBuildOptions = std::string());
OpenCLProgram
BuildProgramFromSourceFile(const std::string & fileName,
const std::string & prefixSourceCode = std::string(),
const std::string & postfixSourceCode = std::string(),
const std::string & extraBuildOptions = std::string());
/** Sets the global work size for all instances of the kernels to \a size.
* \sa SetLocalWorkSizeForAllKernels(), SetGlobalWorkOffsetForAllKernels() */
void
SetGlobalWorkSizeForAllKernels(const OpenCLSize & size);
/** Sets the local work size for all instances of the kernels to \a size.
* \sa SetGlobalWorkSizeForAllKernels(), SetGlobalWorkOffsetForAllKernels() */
void
SetLocalWorkSizeForAllKernels(const OpenCLSize & size);
/** Sets the offset for all instances of the kernels to \a offset.
* \sa SetGlobalWorkSizeForAllKernels(), SetLocalWorkSizeForAllKernels() */
void
SetGlobalWorkOffsetForAllKernels(const OpenCLSize & offset);
bool
SetKernelArg(const std::size_t kernelId, const cl_uint argId, const std::size_t argSize, const void * argVal);
bool
SetKernelArgForAllKernels(const cl_uint argId, const std::size_t argSize, const void * argVal);
bool
SetKernelArgWithImage(const std::size_t kernelId, cl_uint argId, const GPUDataManager::Pointer manager);
protected:
OpenCLKernelManager();
~OpenCLKernelManager() override;
bool
CheckArgumentReady(const std::size_t kernelId);
void
ResetArguments(const std::size_t kernelIdx);
private:
OpenCLContext * m_Context{};
struct KernelArgumentList
{
bool m_IsReady;
GPUDataManager::Pointer m_GPUDataManager;
};
std::vector<OpenCLKernel> m_Kernels{};
std::vector<std::vector<KernelArgumentList>> m_KernelArgumentReady{};
};
} // end namespace itk
#endif /* itkOpenCLKernelManager_h */
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