opencl.hpp

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//
// Copyright (c) 2008-2024 The Khronos Group Inc.
//
// 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
//
// 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 CL_HPP_
#define CL_HPP_
 
/* Handle deprecated preprocessor definitions. In each case, we only check for
 * the old name if the new name is not defined, so that user code can define
 * both and hence work with either version of the bindings.
 */
#if !defined(CL_HPP_USE_DX_INTEROP) && defined(USE_DX_INTEROP)
# pragma message("opencl.hpp: USE_DX_INTEROP is deprecated. Define CL_HPP_USE_DX_INTEROP instead")
# define CL_HPP_USE_DX_INTEROP
#endif
#if !defined(CL_HPP_ENABLE_EXCEPTIONS) && defined(__CL_ENABLE_EXCEPTIONS)
# pragma message("opencl.hpp: __CL_ENABLE_EXCEPTIONS is deprecated. Define CL_HPP_ENABLE_EXCEPTIONS instead")
# define CL_HPP_ENABLE_EXCEPTIONS
#endif
#if !defined(CL_HPP_NO_STD_VECTOR) && defined(__NO_STD_VECTOR)
# pragma message("opencl.hpp: __NO_STD_VECTOR is deprecated. Define CL_HPP_NO_STD_VECTOR instead")
# define CL_HPP_NO_STD_VECTOR
#endif
#if !defined(CL_HPP_NO_STD_STRING) && defined(__NO_STD_STRING)
# pragma message("opencl.hpp: __NO_STD_STRING is deprecated. Define CL_HPP_NO_STD_STRING instead")
# define CL_HPP_NO_STD_STRING
#endif
#if defined(VECTOR_CLASS)
# pragma message("opencl.hpp: VECTOR_CLASS is deprecated. Alias cl::vector instead")
#endif
#if defined(STRING_CLASS)
# pragma message("opencl.hpp: STRING_CLASS is deprecated. Alias cl::string instead.")
#endif
#if !defined(CL_HPP_USER_OVERRIDE_ERROR_STRINGS) && defined(__CL_USER_OVERRIDE_ERROR_STRINGS)
# pragma message("opencl.hpp: __CL_USER_OVERRIDE_ERROR_STRINGS is deprecated. Define CL_HPP_USER_OVERRIDE_ERROR_STRINGS instead")
# define CL_HPP_USER_OVERRIDE_ERROR_STRINGS
#endif
 
/* Warn about features that are no longer supported
 */
#if defined(__USE_DEV_VECTOR)
# pragma message("opencl.hpp: __USE_DEV_VECTOR is no longer supported. Expect compilation errors")
#endif
#if defined(__USE_DEV_STRING)
# pragma message("opencl.hpp: __USE_DEV_STRING is no longer supported. Expect compilation errors")
#endif
 
/* Detect which version to target */
#if !defined(CL_HPP_TARGET_OPENCL_VERSION)
# pragma message("opencl.hpp: CL_HPP_TARGET_OPENCL_VERSION is not defined. It will default to 300 (OpenCL 3.0)")
# define CL_HPP_TARGET_OPENCL_VERSION 300
#endif
#if CL_HPP_TARGET_OPENCL_VERSION != 100 && \
    CL_HPP_TARGET_OPENCL_VERSION != 110 && \
    CL_HPP_TARGET_OPENCL_VERSION != 120 && \
    CL_HPP_TARGET_OPENCL_VERSION != 200 && \
    CL_HPP_TARGET_OPENCL_VERSION != 210 && \
    CL_HPP_TARGET_OPENCL_VERSION != 220 && \
    CL_HPP_TARGET_OPENCL_VERSION != 300
# pragma message("opencl.hpp: CL_HPP_TARGET_OPENCL_VERSION is not a valid value (100, 110, 120, 200, 210, 220 or 300). It will be set to 300 (OpenCL 3.0).")
# undef CL_HPP_TARGET_OPENCL_VERSION
# define CL_HPP_TARGET_OPENCL_VERSION 300
#endif
 
/* Forward target OpenCL version to C headers if necessary */
#if defined(CL_TARGET_OPENCL_VERSION)
/* Warn if prior definition of CL_TARGET_OPENCL_VERSION is lower than
 * requested C++ bindings version */
#if CL_TARGET_OPENCL_VERSION < CL_HPP_TARGET_OPENCL_VERSION
# pragma message("CL_TARGET_OPENCL_VERSION is already defined as is lower than CL_HPP_TARGET_OPENCL_VERSION")
#endif
#else
# define CL_TARGET_OPENCL_VERSION CL_HPP_TARGET_OPENCL_VERSION
#endif
 
#if !defined(CL_HPP_MINIMUM_OPENCL_VERSION)
# define CL_HPP_MINIMUM_OPENCL_VERSION 200
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION != 100 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 110 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 120 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 200 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 210 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 220 && \
    CL_HPP_MINIMUM_OPENCL_VERSION != 300
# pragma message("opencl.hpp: CL_HPP_MINIMUM_OPENCL_VERSION is not a valid value (100, 110, 120, 200, 210, 220 or 300). It will be set to 100")
# undef CL_HPP_MINIMUM_OPENCL_VERSION
# define CL_HPP_MINIMUM_OPENCL_VERSION 100
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION > CL_HPP_TARGET_OPENCL_VERSION
# error "CL_HPP_MINIMUM_OPENCL_VERSION must not be greater than CL_HPP_TARGET_OPENCL_VERSION"
#endif
 
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 100 && !defined(CL_USE_DEPRECATED_OPENCL_1_0_APIS)
# define CL_USE_DEPRECATED_OPENCL_1_0_APIS
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 110 && !defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
# define CL_USE_DEPRECATED_OPENCL_1_1_APIS
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 120 && !defined(CL_USE_DEPRECATED_OPENCL_1_2_APIS)
# define CL_USE_DEPRECATED_OPENCL_1_2_APIS
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 200 && !defined(CL_USE_DEPRECATED_OPENCL_2_0_APIS)
# define CL_USE_DEPRECATED_OPENCL_2_0_APIS
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 210 && !defined(CL_USE_DEPRECATED_OPENCL_2_1_APIS)
# define CL_USE_DEPRECATED_OPENCL_2_1_APIS
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION <= 220 && !defined(CL_USE_DEPRECATED_OPENCL_2_2_APIS)
# define CL_USE_DEPRECATED_OPENCL_2_2_APIS
#endif
 
#ifdef _WIN32
 
#include <malloc.h>
 
#if defined(CL_HPP_USE_DX_INTEROP)
#include <CL/cl_d3d10.h>
#include <CL/cl_dx9_media_sharing.h>
#endif
#endif // _WIN32
 
#if defined(_MSC_VER)
#include <intrin.h>
#endif // _MSC_VER 
 
 // Check for a valid C++ version
 
// Need to do both tests here because for some reason __cplusplus is not 
// updated in visual studio
#if (!defined(_MSC_VER) && __cplusplus < 201103L) || (defined(_MSC_VER) && _MSC_VER < 1700)
#error Visual studio 2013 or another C++11-supporting compiler required
#endif
 
#if defined(__APPLE__) || defined(__MACOSX)
#include <OpenCL/opencl.h>
#else
#include <CL/opencl.h>
#endif // !__APPLE__
 
#if __cplusplus >= 201703L
# define CL_HPP_DEFINE_STATIC_MEMBER_ inline
#elif defined(_MSC_VER)
# define CL_HPP_DEFINE_STATIC_MEMBER_ __declspec(selectany)
#elif defined(__MINGW32__)
# define CL_HPP_DEFINE_STATIC_MEMBER_ __attribute__((selectany))
#else
# define CL_HPP_DEFINE_STATIC_MEMBER_ __attribute__((weak))
#endif // !_MSC_VER
 
// Define deprecated prefixes and suffixes to ensure compilation
// in case they are not pre-defined
#if !defined(CL_API_PREFIX__VERSION_1_1_DEPRECATED)
#define CL_API_PREFIX__VERSION_1_1_DEPRECATED
#endif // #if !defined(CL_API_PREFIX__VERSION_1_1_DEPRECATED)
#if !defined(CL_API_SUFFIX__VERSION_1_1_DEPRECATED)
#define CL_API_SUFFIX__VERSION_1_1_DEPRECATED
#endif // #if !defined(CL_API_SUFFIX__VERSION_1_1_DEPRECATED)
 
#if !defined(CL_API_PREFIX__VERSION_1_2_DEPRECATED)
#define CL_API_PREFIX__VERSION_1_2_DEPRECATED
#endif // #if !defined(CL_API_PREFIX__VERSION_1_2_DEPRECATED)
#if !defined(CL_API_SUFFIX__VERSION_1_2_DEPRECATED)
#define CL_API_SUFFIX__VERSION_1_2_DEPRECATED
#endif // #if !defined(CL_API_SUFFIX__VERSION_1_2_DEPRECATED)
 
#if !defined(CL_API_PREFIX__VERSION_2_2_DEPRECATED)
#define CL_API_PREFIX__VERSION_2_2_DEPRECATED
#endif // #if !defined(CL_API_PREFIX__VERSION_2_2_DEPRECATED)
#if !defined(CL_API_SUFFIX__VERSION_2_2_DEPRECATED)
#define CL_API_SUFFIX__VERSION_2_2_DEPRECATED
#endif // #if !defined(CL_API_SUFFIX__VERSION_2_2_DEPRECATED)
 
#if !defined(CL_CALLBACK)
#define CL_CALLBACK
#endif //CL_CALLBACK
 
#include <utility>
#include <limits>
#include <iterator>
#include <mutex>
#include <cstring>
#include <functional>
 
 
// Define a size_type to represent a correctly resolved size_t
#if defined(CL_HPP_ENABLE_SIZE_T_COMPATIBILITY)
namespace cl {
    using size_type = ::size_t;
} // namespace cl
#else // #if defined(CL_HPP_ENABLE_SIZE_T_COMPATIBILITY)
namespace cl {
    using size_type = size_t;
} // namespace cl
#endif // #if defined(CL_HPP_ENABLE_SIZE_T_COMPATIBILITY)
 
 
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
#include <exception>
#endif // #if defined(CL_HPP_ENABLE_EXCEPTIONS)
 
#if !defined(CL_HPP_NO_STD_VECTOR)
#include <vector>
namespace cl {
    template < class T, class Alloc = std::allocator<T> >
    using vector = std::vector<T, Alloc>;
} // namespace cl
#endif // #if !defined(CL_HPP_NO_STD_VECTOR)
 
#if !defined(CL_HPP_NO_STD_STRING)
#include <string>
namespace cl {
    using string = std::string;
} // namespace cl
#endif // #if !defined(CL_HPP_NO_STD_STRING)
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
 
#if !defined(CL_HPP_NO_STD_UNIQUE_PTR)
#include <memory>
namespace cl {
    // Replace unique_ptr and allocate_pointer for internal use
    // to allow user to replace them
    template<class T, class D>
    using pointer = std::unique_ptr<T, D>;
} // namespace cl
#endif 
#endif // #if CL_HPP_TARGET_OPENCL_VERSION >= 200
#if !defined(CL_HPP_NO_STD_ARRAY)
#include <array>
namespace cl {
    template < class T, size_type N >
    using array = std::array<T, N>;
} // namespace cl
#endif // #if !defined(CL_HPP_NO_STD_ARRAY)
 
// Define size_type appropriately to allow backward-compatibility
// use of the old size_t interface class
#if defined(CL_HPP_ENABLE_SIZE_T_COMPATIBILITY)
namespace cl {
    namespace compatibility {
        template <int N>
        class size_t
        {
        private:
            size_type data_[N];
 
        public:
            size_t()
            {
                for (int i = 0; i < N; ++i) {
                    data_[i] = 0;
                }
            }
 
            size_t(const array<size_type, N> &rhs)
            {
                for (int i = 0; i < N; ++i) {
                    data_[i] = rhs[i];
                }
            }
 
            size_type& operator[](int index)
            {
                return data_[index];
            }
 
            const size_type& operator[](int index) const
            {
                return data_[index];
            }
 
            operator size_type* ()             { return data_; }
 
            operator const size_type* () const { return data_; }
 
            operator array<size_type, N>() const
            {
                array<size_type, N> ret;
 
                for (int i = 0; i < N; ++i) {
                    ret[i] = data_[i];
                }
                return ret;
            }
        };
    } // namespace compatibility
 
    template<int N>
    using size_t = compatibility::size_t<N>;
} // namespace cl
#endif // #if defined(CL_HPP_ENABLE_SIZE_T_COMPATIBILITY)
 
// Helper alias to avoid confusing the macros
namespace cl {
    namespace detail {
        using size_t_array = array<size_type, 3>;
    } // namespace detail
} // namespace cl
 
 
namespace cl {
 
#define CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(name) \
    using PFN_##name = name##_fn
 
#define CL_HPP_INIT_CL_EXT_FCN_PTR_(name)                               \
    if (!pfn_##name) {                                                  \
        pfn_##name = (PFN_##name)clGetExtensionFunctionAddress(#name);  \
    }
 
#define CL_HPP_INIT_CL_EXT_FCN_PTR_PLATFORM_(platform, name)            \
    if (!pfn_##name) {                                                  \
        pfn_##name = (PFN_##name)                                       \
            clGetExtensionFunctionAddressForPlatform(platform, #name);  \
    }
 
#ifdef cl_khr_external_memory
    enum class ExternalMemoryType : cl_external_memory_handle_type_khr;
#endif
 
    class Memory;
    class Platform;
    class Program;
    class Device;
    class Context;
    class CommandQueue;
    class DeviceCommandQueue;
    class Memory;
    class Buffer;
    class Pipe;
#ifdef cl_khr_semaphore
    class Semaphore;
#endif
#if defined(cl_khr_command_buffer)
    class CommandBufferKhr;
    class MutableCommandKhr;
#endif // cl_khr_command_buffer
 
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
    class Error : public std::exception
    {
    private:
        cl_int err_;
        const char * errStr_;
    public:
        Error(cl_int err, const char * errStr = nullptr) : err_(err), errStr_(errStr)
        {}
 
        const char * what() const noexcept override
        {
            if (errStr_ == nullptr) {
                return "empty";
            }
            else {
                return errStr_;
            }
        }
 
        cl_int err(void) const { return err_; }
    };
#define CL_HPP_ERR_STR_(x) #x
#else
#define CL_HPP_ERR_STR_(x) nullptr
#endif // CL_HPP_ENABLE_EXCEPTIONS
 
 
namespace detail
{
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
static inline cl_int errHandler (
    cl_int err,
    const char * errStr = nullptr)
{
    if (err != CL_SUCCESS) {
        throw Error(err, errStr);
    }
    return err;
}
#else
static inline cl_int errHandler (cl_int err, const char * errStr = nullptr)
{
    (void) errStr; // suppress unused variable warning
    return err;
}
#endif // CL_HPP_ENABLE_EXCEPTIONS
}
 
 
 
#if !defined(CL_HPP_USER_OVERRIDE_ERROR_STRINGS)
#define __GET_DEVICE_INFO_ERR               CL_HPP_ERR_STR_(clGetDeviceInfo)
#define __GET_PLATFORM_INFO_ERR             CL_HPP_ERR_STR_(clGetPlatformInfo)
#define __GET_DEVICE_IDS_ERR                CL_HPP_ERR_STR_(clGetDeviceIDs)
#define __GET_PLATFORM_IDS_ERR              CL_HPP_ERR_STR_(clGetPlatformIDs)
#define __GET_CONTEXT_INFO_ERR              CL_HPP_ERR_STR_(clGetContextInfo)
#define __GET_EVENT_INFO_ERR                CL_HPP_ERR_STR_(clGetEventInfo)
#define __GET_EVENT_PROFILE_INFO_ERR        CL_HPP_ERR_STR_(clGetEventProfileInfo)
#define __GET_MEM_OBJECT_INFO_ERR           CL_HPP_ERR_STR_(clGetMemObjectInfo)
#define __GET_IMAGE_INFO_ERR                CL_HPP_ERR_STR_(clGetImageInfo)
#define __GET_SAMPLER_INFO_ERR              CL_HPP_ERR_STR_(clGetSamplerInfo)
#define __GET_KERNEL_INFO_ERR               CL_HPP_ERR_STR_(clGetKernelInfo)
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __GET_KERNEL_ARG_INFO_ERR           CL_HPP_ERR_STR_(clGetKernelArgInfo)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __GET_KERNEL_SUB_GROUP_INFO_ERR     CL_HPP_ERR_STR_(clGetKernelSubGroupInfo)
#else
#define __GET_KERNEL_SUB_GROUP_INFO_ERR     CL_HPP_ERR_STR_(clGetKernelSubGroupInfoKHR)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __GET_KERNEL_WORK_GROUP_INFO_ERR    CL_HPP_ERR_STR_(clGetKernelWorkGroupInfo)
#define __GET_PROGRAM_INFO_ERR              CL_HPP_ERR_STR_(clGetProgramInfo)
#define __GET_PROGRAM_BUILD_INFO_ERR        CL_HPP_ERR_STR_(clGetProgramBuildInfo)
#define __GET_COMMAND_QUEUE_INFO_ERR        CL_HPP_ERR_STR_(clGetCommandQueueInfo)
 
#define __CREATE_CONTEXT_ERR                CL_HPP_ERR_STR_(clCreateContext)
#define __CREATE_CONTEXT_FROM_TYPE_ERR      CL_HPP_ERR_STR_(clCreateContextFromType)
#define __GET_SUPPORTED_IMAGE_FORMATS_ERR   CL_HPP_ERR_STR_(clGetSupportedImageFormats)
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
#define __SET_CONTEXT_DESCTRUCTOR_CALLBACK_ERR  CL_HPP_ERR_STR_(clSetContextDestructorCallback)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 300
 
#define __CREATE_BUFFER_ERR                 CL_HPP_ERR_STR_(clCreateBuffer)
#define __COPY_ERR                          CL_HPP_ERR_STR_(cl::copy)
#define __CREATE_SUBBUFFER_ERR              CL_HPP_ERR_STR_(clCreateSubBuffer)
#define __CREATE_GL_BUFFER_ERR              CL_HPP_ERR_STR_(clCreateFromGLBuffer)
#define __CREATE_GL_RENDER_BUFFER_ERR       CL_HPP_ERR_STR_(clCreateFromGLBuffer)
#define __GET_GL_OBJECT_INFO_ERR            CL_HPP_ERR_STR_(clGetGLObjectInfo)
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __CREATE_IMAGE_ERR                  CL_HPP_ERR_STR_(clCreateImage)
#define __CREATE_GL_TEXTURE_ERR             CL_HPP_ERR_STR_(clCreateFromGLTexture)
#define __IMAGE_DIMENSION_ERR               CL_HPP_ERR_STR_(Incorrect image dimensions)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __SET_MEM_OBJECT_DESTRUCTOR_CALLBACK_ERR CL_HPP_ERR_STR_(clSetMemObjectDestructorCallback)
 
#define __CREATE_USER_EVENT_ERR             CL_HPP_ERR_STR_(clCreateUserEvent)
#define __SET_USER_EVENT_STATUS_ERR         CL_HPP_ERR_STR_(clSetUserEventStatus)
#define __SET_EVENT_CALLBACK_ERR            CL_HPP_ERR_STR_(clSetEventCallback)
#define __WAIT_FOR_EVENTS_ERR               CL_HPP_ERR_STR_(clWaitForEvents)
 
#define __CREATE_KERNEL_ERR                 CL_HPP_ERR_STR_(clCreateKernel)
#define __SET_KERNEL_ARGS_ERR               CL_HPP_ERR_STR_(clSetKernelArg)
#define __CREATE_PROGRAM_WITH_SOURCE_ERR    CL_HPP_ERR_STR_(clCreateProgramWithSource)
#define __CREATE_PROGRAM_WITH_BINARY_ERR    CL_HPP_ERR_STR_(clCreateProgramWithBinary)
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __CREATE_PROGRAM_WITH_IL_ERR        CL_HPP_ERR_STR_(clCreateProgramWithIL)
#else
#define __CREATE_PROGRAM_WITH_IL_ERR        CL_HPP_ERR_STR_(clCreateProgramWithILKHR)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 210
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __CREATE_PROGRAM_WITH_BUILT_IN_KERNELS_ERR    CL_HPP_ERR_STR_(clCreateProgramWithBuiltInKernels)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __BUILD_PROGRAM_ERR                 CL_HPP_ERR_STR_(clBuildProgram)
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __COMPILE_PROGRAM_ERR               CL_HPP_ERR_STR_(clCompileProgram)
#define __LINK_PROGRAM_ERR                  CL_HPP_ERR_STR_(clLinkProgram)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __CREATE_KERNELS_IN_PROGRAM_ERR     CL_HPP_ERR_STR_(clCreateKernelsInProgram)
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
#define __CREATE_COMMAND_QUEUE_WITH_PROPERTIES_ERR          CL_HPP_ERR_STR_(clCreateCommandQueueWithProperties)
#define __CREATE_SAMPLER_WITH_PROPERTIES_ERR                CL_HPP_ERR_STR_(clCreateSamplerWithProperties)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 200
#define __SET_COMMAND_QUEUE_PROPERTY_ERR    CL_HPP_ERR_STR_(clSetCommandQueueProperty)
#define __ENQUEUE_READ_BUFFER_ERR           CL_HPP_ERR_STR_(clEnqueueReadBuffer)
#define __ENQUEUE_READ_BUFFER_RECT_ERR      CL_HPP_ERR_STR_(clEnqueueReadBufferRect)
#define __ENQUEUE_WRITE_BUFFER_ERR          CL_HPP_ERR_STR_(clEnqueueWriteBuffer)
#define __ENQUEUE_WRITE_BUFFER_RECT_ERR     CL_HPP_ERR_STR_(clEnqueueWriteBufferRect)
#define __ENQEUE_COPY_BUFFER_ERR            CL_HPP_ERR_STR_(clEnqueueCopyBuffer)
#define __ENQEUE_COPY_BUFFER_RECT_ERR       CL_HPP_ERR_STR_(clEnqueueCopyBufferRect)
#define __ENQUEUE_FILL_BUFFER_ERR           CL_HPP_ERR_STR_(clEnqueueFillBuffer)
#define __ENQUEUE_READ_IMAGE_ERR            CL_HPP_ERR_STR_(clEnqueueReadImage)
#define __ENQUEUE_WRITE_IMAGE_ERR           CL_HPP_ERR_STR_(clEnqueueWriteImage)
#define __ENQUEUE_COPY_IMAGE_ERR            CL_HPP_ERR_STR_(clEnqueueCopyImage)
#define __ENQUEUE_FILL_IMAGE_ERR            CL_HPP_ERR_STR_(clEnqueueFillImage)
#define __ENQUEUE_COPY_IMAGE_TO_BUFFER_ERR  CL_HPP_ERR_STR_(clEnqueueCopyImageToBuffer)
#define __ENQUEUE_COPY_BUFFER_TO_IMAGE_ERR  CL_HPP_ERR_STR_(clEnqueueCopyBufferToImage)
#define __ENQUEUE_MAP_BUFFER_ERR            CL_HPP_ERR_STR_(clEnqueueMapBuffer)
#define __ENQUEUE_MAP_SVM_ERR               CL_HPP_ERR_STR_(clEnqueueSVMMap)
#define __ENQUEUE_FILL_SVM_ERR              CL_HPP_ERR_STR_(clEnqueueSVMMemFill)
#define __ENQUEUE_COPY_SVM_ERR              CL_HPP_ERR_STR_(clEnqueueSVMMemcpy)
#define __ENQUEUE_UNMAP_SVM_ERR             CL_HPP_ERR_STR_(clEnqueueSVMUnmap)
#define __ENQUEUE_MAP_IMAGE_ERR             CL_HPP_ERR_STR_(clEnqueueMapImage)
#define __ENQUEUE_UNMAP_MEM_OBJECT_ERR      CL_HPP_ERR_STR_(clEnqueueUnMapMemObject)
#define __ENQUEUE_NDRANGE_KERNEL_ERR        CL_HPP_ERR_STR_(clEnqueueNDRangeKernel)
#define __ENQUEUE_NATIVE_KERNEL             CL_HPP_ERR_STR_(clEnqueueNativeKernel)
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __ENQUEUE_MIGRATE_MEM_OBJECTS_ERR   CL_HPP_ERR_STR_(clEnqueueMigrateMemObjects)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __ENQUEUE_MIGRATE_SVM_ERR   CL_HPP_ERR_STR_(clEnqueueSVMMigrateMem)
#define __SET_DEFAULT_DEVICE_COMMAND_QUEUE_ERR   CL_HPP_ERR_STR_(clSetDefaultDeviceCommandQueue)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 210
 
 
#define __ENQUEUE_ACQUIRE_GL_ERR            CL_HPP_ERR_STR_(clEnqueueAcquireGLObjects)
#define __ENQUEUE_RELEASE_GL_ERR            CL_HPP_ERR_STR_(clEnqueueReleaseGLObjects)
 
#define __CREATE_PIPE_ERR             CL_HPP_ERR_STR_(clCreatePipe)
#define __GET_PIPE_INFO_ERR           CL_HPP_ERR_STR_(clGetPipeInfo)
 
#define __RETAIN_ERR                        CL_HPP_ERR_STR_(Retain Object)
#define __RELEASE_ERR                       CL_HPP_ERR_STR_(Release Object)
#define __FLUSH_ERR                         CL_HPP_ERR_STR_(clFlush)
#define __FINISH_ERR                        CL_HPP_ERR_STR_(clFinish)
#define __VECTOR_CAPACITY_ERR               CL_HPP_ERR_STR_(Vector capacity error)
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __GET_HOST_TIMER_ERR           CL_HPP_ERR_STR_(clGetHostTimer)
#define __GET_DEVICE_AND_HOST_TIMER_ERR           CL_HPP_ERR_STR_(clGetDeviceAndHostTimer)
#endif
#if CL_HPP_TARGET_OPENCL_VERSION >= 220
#define __SET_PROGRAM_RELEASE_CALLBACK_ERR          CL_HPP_ERR_STR_(clSetProgramReleaseCallback)
#define __SET_PROGRAM_SPECIALIZATION_CONSTANT_ERR   CL_HPP_ERR_STR_(clSetProgramSpecializationConstant)
#endif
 
#ifdef cl_khr_external_memory
#define __ENQUEUE_ACQUIRE_EXTERNAL_MEMORY_ERR       CL_HPP_ERR_STR_(clEnqueueAcquireExternalMemObjectsKHR)
#define __ENQUEUE_RELEASE_EXTERNAL_MEMORY_ERR       CL_HPP_ERR_STR_(clEnqueueReleaseExternalMemObjectsKHR)
#endif
 
#ifdef cl_khr_semaphore
#define __GET_SEMAPHORE_KHR_INFO_ERR                CL_HPP_ERR_STR_(clGetSemaphoreInfoKHR)
#define __CREATE_SEMAPHORE_KHR_WITH_PROPERTIES_ERR  CL_HPP_ERR_STR_(clCreateSemaphoreWithPropertiesKHR)
#define __ENQUEUE_WAIT_SEMAPHORE_KHR_ERR            CL_HPP_ERR_STR_(clEnqueueWaitSemaphoresKHR)
#define __ENQUEUE_SIGNAL_SEMAPHORE_KHR_ERR          CL_HPP_ERR_STR_(clEnqueueSignalSemaphoresKHR)
#define __RETAIN_SEMAPHORE_KHR_ERR                  CL_HPP_ERR_STR_(clRetainSemaphoreKHR)
#define __RELEASE_SEMAPHORE_KHR_ERR                 CL_HPP_ERR_STR_(clReleaseSemaphoreKHR)
#endif
 
#ifdef cl_khr_external_semaphore
#define __GET_SEMAPHORE_HANDLE_FOR_TYPE_KHR_ERR         CL_HPP_ERR_STR_(clGetSemaphoreHandleForTypeKHR)
#endif // cl_khr_external_semaphore
 
#if defined(cl_khr_command_buffer)
#define __CREATE_COMMAND_BUFFER_KHR_ERR             CL_HPP_ERR_STR_(clCreateCommandBufferKHR)
#define __GET_COMMAND_BUFFER_INFO_KHR_ERR           CL_HPP_ERR_STR_(clGetCommandBufferInfoKHR)
#define __FINALIZE_COMMAND_BUFFER_KHR_ERR           CL_HPP_ERR_STR_(clFinalizeCommandBufferKHR)
#define __ENQUEUE_COMMAND_BUFFER_KHR_ERR            CL_HPP_ERR_STR_(clEnqueueCommandBufferKHR)
#define __COMMAND_BARRIER_WITH_WAIT_LIST_KHR_ERR    CL_HPP_ERR_STR_(clCommandBarrierWithWaitListKHR)
#define __COMMAND_COPY_BUFFER_KHR_ERR               CL_HPP_ERR_STR_(clCommandCopyBufferKHR)
#define __COMMAND_COPY_BUFFER_RECT_KHR_ERR          CL_HPP_ERR_STR_(clCommandCopyBufferRectKHR)
#define __COMMAND_COPY_BUFFER_TO_IMAGE_KHR_ERR      CL_HPP_ERR_STR_(clCommandCopyBufferToImageKHR)
#define __COMMAND_COPY_IMAGE_KHR_ERR                CL_HPP_ERR_STR_(clCommandCopyImageKHR)
#define __COMMAND_COPY_IMAGE_TO_BUFFER_KHR_ERR      CL_HPP_ERR_STR_(clCommandCopyImageToBufferKHR)
#define __COMMAND_FILL_BUFFER_KHR_ERR               CL_HPP_ERR_STR_(clCommandFillBufferKHR)
#define __COMMAND_FILL_IMAGE_KHR_ERR                CL_HPP_ERR_STR_(clCommandFillImageKHR)
#define __COMMAND_NDRANGE_KERNEL_KHR_ERR            CL_HPP_ERR_STR_(clCommandNDRangeKernelKHR)
#define __UPDATE_MUTABLE_COMMANDS_KHR_ERR           CL_HPP_ERR_STR_(clUpdateMutableCommandsKHR)
#define __GET_MUTABLE_COMMAND_INFO_KHR_ERR          CL_HPP_ERR_STR_(clGetMutableCommandInfoKHR)
#define __RETAIN_COMMAND_BUFFER_KHR_ERR             CL_HPP_ERR_STR_(clRetainCommandBufferKHR)
#define __RELEASE_COMMAND_BUFFER_KHR_ERR            CL_HPP_ERR_STR_(clReleaseCommandBufferKHR)
#endif // cl_khr_command_buffer
 
#if defined(cl_ext_image_requirements_info)
#define __GET_IMAGE_REQUIREMENT_INFO_EXT_ERR            CL_HPP_ERR_STR_(clGetImageRequirementsInfoEXT)
#endif //cl_ext_image_requirements_info
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __CREATE_SUB_DEVICES_ERR            CL_HPP_ERR_STR_(clCreateSubDevices)
#else
#define __CREATE_SUB_DEVICES_ERR            CL_HPP_ERR_STR_(clCreateSubDevicesEXT)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
 
#if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
#define __ENQUEUE_MARKER_ERR                CL_HPP_ERR_STR_(clEnqueueMarker)
#define __ENQUEUE_WAIT_FOR_EVENTS_ERR       CL_HPP_ERR_STR_(clEnqueueWaitForEvents)
#define __ENQUEUE_BARRIER_ERR               CL_HPP_ERR_STR_(clEnqueueBarrier)
#define __UNLOAD_COMPILER_ERR               CL_HPP_ERR_STR_(clUnloadCompiler)
#define __CREATE_GL_TEXTURE_2D_ERR          CL_HPP_ERR_STR_(clCreateFromGLTexture2D)
#define __CREATE_GL_TEXTURE_3D_ERR          CL_HPP_ERR_STR_(clCreateFromGLTexture3D)
#define __CREATE_IMAGE2D_ERR                CL_HPP_ERR_STR_(clCreateImage2D)
#define __CREATE_IMAGE3D_ERR                CL_HPP_ERR_STR_(clCreateImage3D)
#endif // #if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
 
#if defined(CL_USE_DEPRECATED_OPENCL_1_2_APIS)
#define __CREATE_COMMAND_QUEUE_ERR          CL_HPP_ERR_STR_(clCreateCommandQueue)
#define __ENQUEUE_TASK_ERR                  CL_HPP_ERR_STR_(clEnqueueTask)
#define __CREATE_SAMPLER_ERR                CL_HPP_ERR_STR_(clCreateSampler)
#endif // #if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
#define __ENQUEUE_MARKER_WAIT_LIST_ERR                CL_HPP_ERR_STR_(clEnqueueMarkerWithWaitList)
#define __ENQUEUE_BARRIER_WAIT_LIST_ERR               CL_HPP_ERR_STR_(clEnqueueBarrierWithWaitList)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
#define __CLONE_KERNEL_ERR     CL_HPP_ERR_STR_(clCloneKernel)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 210
 
#endif // CL_HPP_USER_OVERRIDE_ERROR_STRINGS
 
#ifdef cl_khr_external_memory
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clEnqueueAcquireExternalMemObjectsKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clEnqueueReleaseExternalMemObjectsKHR);
 
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clEnqueueAcquireExternalMemObjectsKHR pfn_clEnqueueAcquireExternalMemObjectsKHR = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clEnqueueReleaseExternalMemObjectsKHR pfn_clEnqueueReleaseExternalMemObjectsKHR = nullptr;
#endif // cl_khr_external_memory
 
#ifdef cl_khr_semaphore
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCreateSemaphoreWithPropertiesKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clReleaseSemaphoreKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clRetainSemaphoreKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clEnqueueWaitSemaphoresKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clEnqueueSignalSemaphoresKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clGetSemaphoreInfoKHR);
 
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCreateSemaphoreWithPropertiesKHR pfn_clCreateSemaphoreWithPropertiesKHR  = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clReleaseSemaphoreKHR              pfn_clReleaseSemaphoreKHR               = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clRetainSemaphoreKHR               pfn_clRetainSemaphoreKHR                = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clEnqueueWaitSemaphoresKHR         pfn_clEnqueueWaitSemaphoresKHR          = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clEnqueueSignalSemaphoresKHR       pfn_clEnqueueSignalSemaphoresKHR        = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clGetSemaphoreInfoKHR              pfn_clGetSemaphoreInfoKHR               = nullptr;
#endif // cl_khr_semaphore
 
#ifdef cl_khr_external_semaphore
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clGetSemaphoreHandleForTypeKHR);
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clGetSemaphoreHandleForTypeKHR     pfn_clGetSemaphoreHandleForTypeKHR      = nullptr;
#endif // cl_khr_external_semaphore
 
#if defined(cl_khr_command_buffer)
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCreateCommandBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clFinalizeCommandBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clRetainCommandBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clReleaseCommandBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clGetCommandBufferInfoKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clEnqueueCommandBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandBarrierWithWaitListKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandCopyBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandCopyBufferRectKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandCopyBufferToImageKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandCopyImageKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandCopyImageToBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandFillBufferKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandFillImageKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCommandNDRangeKernelKHR);
 
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCreateCommandBufferKHR pfn_clCreateCommandBufferKHR               = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clFinalizeCommandBufferKHR pfn_clFinalizeCommandBufferKHR           = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clRetainCommandBufferKHR pfn_clRetainCommandBufferKHR               = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clReleaseCommandBufferKHR pfn_clReleaseCommandBufferKHR             = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clGetCommandBufferInfoKHR pfn_clGetCommandBufferInfoKHR             = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clEnqueueCommandBufferKHR pfn_clEnqueueCommandBufferKHR             = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandBarrierWithWaitListKHR pfn_clCommandBarrierWithWaitListKHR = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandCopyBufferKHR pfn_clCommandCopyBufferKHR                   = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandCopyBufferRectKHR pfn_clCommandCopyBufferRectKHR           = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandCopyBufferToImageKHR pfn_clCommandCopyBufferToImageKHR     = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandCopyImageKHR pfn_clCommandCopyImageKHR                     = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandCopyImageToBufferKHR pfn_clCommandCopyImageToBufferKHR     = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandFillBufferKHR pfn_clCommandFillBufferKHR                   = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandFillImageKHR pfn_clCommandFillImageKHR                     = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCommandNDRangeKernelKHR pfn_clCommandNDRangeKernelKHR             = nullptr;
#endif /* cl_khr_command_buffer */
 
#if defined(cl_khr_command_buffer_mutable_dispatch)
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clUpdateMutableCommandsKHR);
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clGetMutableCommandInfoKHR);
 
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clUpdateMutableCommandsKHR pfn_clUpdateMutableCommandsKHR           = nullptr;
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clGetMutableCommandInfoKHR pfn_clGetMutableCommandInfoKHR           = nullptr;
#endif /* cl_khr_command_buffer_mutable_dispatch */
 
#if defined(cl_ext_image_requirements_info)
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clGetImageRequirementsInfoEXT);
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clGetImageRequirementsInfoEXT pfn_clGetImageRequirementsInfoEXT  = nullptr;
#endif
 
#if defined(cl_ext_device_fission)
CL_HPP_CREATE_CL_EXT_FCN_PTR_ALIAS_(clCreateSubDevicesEXT);
CL_HPP_DEFINE_STATIC_MEMBER_ PFN_clCreateSubDevicesEXT
    pfn_clCreateSubDevicesEXT = nullptr;
#endif
 
namespace detail {
 
// Generic getInfoHelper. The final parameter is used to guide overload
// resolution: the actual parameter passed is an int, which makes this
// a worse conversion sequence than a specialization that declares the
// parameter as an int.
template<typename Functor, typename T>
inline cl_int getInfoHelper(Functor f, cl_uint name, T* param, long)
{
    return f(name, sizeof(T), param, nullptr);
}
 
// Specialized for getInfo<CL_PROGRAM_BINARIES>
// Assumes that the output vector was correctly resized on the way in
template <typename Func>
inline cl_int getInfoHelper(Func f, cl_uint name, vector<vector<unsigned char>>* param, int)
{
    if (name != CL_PROGRAM_BINARIES) {
        return CL_INVALID_VALUE;
    }
    if (param) {
        // Create array of pointers, calculate total size and pass pointer array in
        size_type numBinaries = param->size();
        vector<unsigned char*> binariesPointers(numBinaries);
 
        for (size_type i = 0; i < numBinaries; ++i)
        {
            binariesPointers[i] = (*param)[i].data();
        }
 
        cl_int err = f(name, numBinaries * sizeof(unsigned char*), binariesPointers.data(), nullptr);
 
        if (err != CL_SUCCESS) {
            return err;
        }
    }
 
    return CL_SUCCESS;
}
 
// Specialized getInfoHelper for vector params
template <typename Func, typename T>
inline cl_int getInfoHelper(Func f, cl_uint name, vector<T>* param, long)
{
    size_type required;
    cl_int err = f(name, 0, nullptr, &required);
    if (err != CL_SUCCESS) {
        return err;
    }
    const size_type elements = required / sizeof(T);
 
    // Temporary to avoid changing param on an error
    vector<T> localData(elements);
    err = f(name, required, localData.data(), nullptr);
    if (err != CL_SUCCESS) {
        return err;
    }
    if (param) {
        *param = std::move(localData);
    }
 
    return CL_SUCCESS;
}
 
/* Specialization for reference-counted types. This depends on the
 * existence of Wrapper<T>::cl_type, and none of the other types having the
 * cl_type member. Note that simplify specifying the parameter as Wrapper<T>
 * does not work, because when using a derived type (e.g. Context) the generic
 * template will provide a better match.
 */
template <typename Func, typename T>
inline cl_int getInfoHelper(
    Func f, cl_uint name, vector<T>* param, int, typename T::cl_type = 0)
{
    size_type required;
    cl_int err = f(name, 0, nullptr, &required);
    if (err != CL_SUCCESS) {
        return err;
    }
 
    const size_type elements = required / sizeof(typename T::cl_type);
 
    vector<typename T::cl_type> value(elements);
    err = f(name, required, value.data(), nullptr);
    if (err != CL_SUCCESS) {
        return err;
    }
 
    if (param) {
        // Assign to convert CL type to T for each element
        param->resize(elements);
 
        // Assign to param, constructing with retain behaviour
        // to correctly capture each underlying CL object
        for (size_type i = 0; i < elements; i++) {
            (*param)[i] = T(value[i], true);
        }
    }
    return CL_SUCCESS;
}
 
// Specialized GetInfoHelper for string params
template <typename Func>
inline cl_int getInfoHelper(Func f, cl_uint name, string* param, long)
{
    size_type required;
    cl_int err = f(name, 0, nullptr, &required);
    if (err != CL_SUCCESS) {
        return err;
    }
 
    // std::string has a constant data member
    // a char vector does not
    if (required > 0) {
        vector<char> value(required);
        err = f(name, required, value.data(), nullptr);
        if (err != CL_SUCCESS) {
            return err;
        }
        if (param) {
            param->assign(value.begin(), value.end() - 1);
        }
    }
    else if (param) {
        param->assign("");
    }
    return CL_SUCCESS;
}
 
// Specialized GetInfoHelper for clsize_t params
template <typename Func, size_type N>
inline cl_int getInfoHelper(Func f, cl_uint name, array<size_type, N>* param, long)
{
    size_type required;
    cl_int err = f(name, 0, nullptr, &required);
    if (err != CL_SUCCESS) {
        return err;
    }
 
    size_type elements = required / sizeof(size_type);
    vector<size_type> value(elements, 0);
 
    err = f(name, required, value.data(), nullptr);
    if (err != CL_SUCCESS) {
        return err;
    }
    
    // Bound the copy with N to prevent overruns
    // if passed N > than the amount copied
    if (elements > N) {
        elements = N;
    }
    for (size_type i = 0; i < elements; ++i) {
        (*param)[i] = value[i];
    }
 
    return CL_SUCCESS;
}
 
template<typename T> struct ReferenceHandler;
 
/* Specialization for reference-counted types. This depends on the
 * existence of Wrapper<T>::cl_type, and none of the other types having the
 * cl_type member. Note that simplify specifying the parameter as Wrapper<T>
 * does not work, because when using a derived type (e.g. Context) the generic
 * template will provide a better match.
 */
template<typename Func, typename T>
inline cl_int getInfoHelper(Func f, cl_uint name, T* param, int, typename T::cl_type = 0)
{
    typename T::cl_type value;
    cl_int err = f(name, sizeof(value), &value, nullptr);
    if (err != CL_SUCCESS) {
        return err;
    }
    *param = value;
    if (value != nullptr)
    {
        err = param->retain();
        if (err != CL_SUCCESS) {
            return err;
        }
    }
    return CL_SUCCESS;
}
 
#define CL_HPP_PARAM_NAME_INFO_1_0_(F) \
    F(cl_platform_info, CL_PLATFORM_PROFILE, string) \
    F(cl_platform_info, CL_PLATFORM_VERSION, string) \
    F(cl_platform_info, CL_PLATFORM_NAME, string) \
    F(cl_platform_info, CL_PLATFORM_VENDOR, string) \
    F(cl_platform_info, CL_PLATFORM_EXTENSIONS, string) \
    \
    F(cl_device_info, CL_DEVICE_TYPE, cl_device_type) \
    F(cl_device_info, CL_DEVICE_VENDOR_ID, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_COMPUTE_UNITS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_WORK_GROUP_SIZE, size_type) \
    F(cl_device_info, CL_DEVICE_MAX_WORK_ITEM_SIZES, cl::vector<size_type>) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_CLOCK_FREQUENCY, cl_uint) \
    F(cl_device_info, CL_DEVICE_ADDRESS_BITS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_READ_IMAGE_ARGS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_WRITE_IMAGE_ARGS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_MEM_ALLOC_SIZE, cl_ulong) \
    F(cl_device_info, CL_DEVICE_IMAGE2D_MAX_WIDTH, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE2D_MAX_HEIGHT, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE3D_MAX_WIDTH, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE3D_MAX_HEIGHT, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE3D_MAX_DEPTH, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_MAX_PARAMETER_SIZE, size_type) \
    F(cl_device_info, CL_DEVICE_MAX_SAMPLERS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MEM_BASE_ADDR_ALIGN, cl_uint) \
    F(cl_device_info, CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE, cl_uint) \
    F(cl_device_info, CL_DEVICE_SINGLE_FP_CONFIG, cl_device_fp_config) \
    F(cl_device_info, CL_DEVICE_DOUBLE_FP_CONFIG, cl_device_fp_config) \
    F(cl_device_info, CL_DEVICE_HALF_FP_CONFIG, cl_device_fp_config) \
    F(cl_device_info, CL_DEVICE_GLOBAL_MEM_CACHE_TYPE, cl_device_mem_cache_type) \
    F(cl_device_info, CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE, cl_uint)\
    F(cl_device_info, CL_DEVICE_GLOBAL_MEM_CACHE_SIZE, cl_ulong) \
    F(cl_device_info, CL_DEVICE_GLOBAL_MEM_SIZE, cl_ulong) \
    F(cl_device_info, CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE, cl_ulong) \
    F(cl_device_info, CL_DEVICE_MAX_CONSTANT_ARGS, cl_uint) \
    F(cl_device_info, CL_DEVICE_LOCAL_MEM_TYPE, cl_device_local_mem_type) \
    F(cl_device_info, CL_DEVICE_LOCAL_MEM_SIZE, cl_ulong) \
    F(cl_device_info, CL_DEVICE_ERROR_CORRECTION_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_PROFILING_TIMER_RESOLUTION, size_type) \
    F(cl_device_info, CL_DEVICE_ENDIAN_LITTLE, cl_bool) \
    F(cl_device_info, CL_DEVICE_AVAILABLE, cl_bool) \
    F(cl_device_info, CL_DEVICE_COMPILER_AVAILABLE, cl_bool) \
    F(cl_device_info, CL_DEVICE_EXECUTION_CAPABILITIES, cl_device_exec_capabilities) \
    F(cl_device_info, CL_DEVICE_PLATFORM, cl::Platform) \
    F(cl_device_info, CL_DEVICE_NAME, string) \
    F(cl_device_info, CL_DEVICE_VENDOR, string) \
    F(cl_device_info, CL_DRIVER_VERSION, string) \
    F(cl_device_info, CL_DEVICE_PROFILE, string) \
    F(cl_device_info, CL_DEVICE_VERSION, string) \
    F(cl_device_info, CL_DEVICE_EXTENSIONS, string) \
    \
    F(cl_context_info, CL_CONTEXT_REFERENCE_COUNT, cl_uint) \
    F(cl_context_info, CL_CONTEXT_DEVICES, cl::vector<Device>) \
    F(cl_context_info, CL_CONTEXT_PROPERTIES, cl::vector<cl_context_properties>) \
    \
    F(cl_event_info, CL_EVENT_COMMAND_QUEUE, cl::CommandQueue) \
    F(cl_event_info, CL_EVENT_COMMAND_TYPE, cl_command_type) \
    F(cl_event_info, CL_EVENT_REFERENCE_COUNT, cl_uint) \
    F(cl_event_info, CL_EVENT_COMMAND_EXECUTION_STATUS, cl_int) \
    \
    F(cl_profiling_info, CL_PROFILING_COMMAND_QUEUED, cl_ulong) \
    F(cl_profiling_info, CL_PROFILING_COMMAND_SUBMIT, cl_ulong) \
    F(cl_profiling_info, CL_PROFILING_COMMAND_START, cl_ulong) \
    F(cl_profiling_info, CL_PROFILING_COMMAND_END, cl_ulong) \
    \
    F(cl_mem_info, CL_MEM_TYPE, cl_mem_object_type) \
    F(cl_mem_info, CL_MEM_FLAGS, cl_mem_flags) \
    F(cl_mem_info, CL_MEM_SIZE, size_type) \
    F(cl_mem_info, CL_MEM_HOST_PTR, void*) \
    F(cl_mem_info, CL_MEM_MAP_COUNT, cl_uint) \
    F(cl_mem_info, CL_MEM_REFERENCE_COUNT, cl_uint) \
    F(cl_mem_info, CL_MEM_CONTEXT, cl::Context) \
    \
    F(cl_image_info, CL_IMAGE_FORMAT, cl_image_format) \
    F(cl_image_info, CL_IMAGE_ELEMENT_SIZE, size_type) \
    F(cl_image_info, CL_IMAGE_ROW_PITCH, size_type) \
    F(cl_image_info, CL_IMAGE_SLICE_PITCH, size_type) \
    F(cl_image_info, CL_IMAGE_WIDTH, size_type) \
    F(cl_image_info, CL_IMAGE_HEIGHT, size_type) \
    F(cl_image_info, CL_IMAGE_DEPTH, size_type) \
    \
    F(cl_sampler_info, CL_SAMPLER_REFERENCE_COUNT, cl_uint) \
    F(cl_sampler_info, CL_SAMPLER_CONTEXT, cl::Context) \
    F(cl_sampler_info, CL_SAMPLER_NORMALIZED_COORDS, cl_bool) \
    F(cl_sampler_info, CL_SAMPLER_ADDRESSING_MODE, cl_addressing_mode) \
    F(cl_sampler_info, CL_SAMPLER_FILTER_MODE, cl_filter_mode) \
    \
    F(cl_program_info, CL_PROGRAM_REFERENCE_COUNT, cl_uint) \
    F(cl_program_info, CL_PROGRAM_CONTEXT, cl::Context) \
    F(cl_program_info, CL_PROGRAM_NUM_DEVICES, cl_uint) \
    F(cl_program_info, CL_PROGRAM_DEVICES, cl::vector<Device>) \
    F(cl_program_info, CL_PROGRAM_SOURCE, string) \
    F(cl_program_info, CL_PROGRAM_BINARY_SIZES, cl::vector<size_type>) \
    F(cl_program_info, CL_PROGRAM_BINARIES, cl::vector<cl::vector<unsigned char>>) \
    \
    F(cl_program_build_info, CL_PROGRAM_BUILD_STATUS, cl_build_status) \
    F(cl_program_build_info, CL_PROGRAM_BUILD_OPTIONS, string) \
    F(cl_program_build_info, CL_PROGRAM_BUILD_LOG, string) \
    \
    F(cl_kernel_info, CL_KERNEL_FUNCTION_NAME, string) \
    F(cl_kernel_info, CL_KERNEL_NUM_ARGS, cl_uint) \
    F(cl_kernel_info, CL_KERNEL_REFERENCE_COUNT, cl_uint) \
    F(cl_kernel_info, CL_KERNEL_CONTEXT, cl::Context) \
    F(cl_kernel_info, CL_KERNEL_PROGRAM, cl::Program) \
    \
    F(cl_kernel_work_group_info, CL_KERNEL_WORK_GROUP_SIZE, size_type) \
    F(cl_kernel_work_group_info, CL_KERNEL_COMPILE_WORK_GROUP_SIZE, cl::detail::size_t_array) \
    F(cl_kernel_work_group_info, CL_KERNEL_LOCAL_MEM_SIZE, cl_ulong) \
    \
    F(cl_command_queue_info, CL_QUEUE_CONTEXT, cl::Context) \
    F(cl_command_queue_info, CL_QUEUE_DEVICE, cl::Device) \
    F(cl_command_queue_info, CL_QUEUE_REFERENCE_COUNT, cl_uint) \
    F(cl_command_queue_info, CL_QUEUE_PROPERTIES, cl_command_queue_properties)
 
 
#define CL_HPP_PARAM_NAME_INFO_1_1_(F) \
    F(cl_context_info, CL_CONTEXT_NUM_DEVICES, cl_uint)\
    F(cl_device_info, CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_INT, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE, cl_uint) \
    F(cl_device_info, CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF, cl_uint) \
    F(cl_device_info, CL_DEVICE_OPENCL_C_VERSION, string) \
    \
    F(cl_mem_info, CL_MEM_ASSOCIATED_MEMOBJECT, cl::Memory) \
    F(cl_mem_info, CL_MEM_OFFSET, size_type) \
    \
    F(cl_kernel_work_group_info, CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE, size_type) \
    F(cl_kernel_work_group_info, CL_KERNEL_PRIVATE_MEM_SIZE, cl_ulong) \
    \
    F(cl_event_info, CL_EVENT_CONTEXT, cl::Context)
 
#define CL_HPP_PARAM_NAME_INFO_1_2_(F) \
    F(cl_program_info, CL_PROGRAM_NUM_KERNELS, size_type) \
    F(cl_program_info, CL_PROGRAM_KERNEL_NAMES, string) \
    \
    F(cl_program_build_info, CL_PROGRAM_BINARY_TYPE, cl_program_binary_type) \
    \
    F(cl_kernel_info, CL_KERNEL_ATTRIBUTES, string) \
    \
    F(cl_kernel_arg_info, CL_KERNEL_ARG_ADDRESS_QUALIFIER, cl_kernel_arg_address_qualifier) \
    F(cl_kernel_arg_info, CL_KERNEL_ARG_ACCESS_QUALIFIER, cl_kernel_arg_access_qualifier) \
    F(cl_kernel_arg_info, CL_KERNEL_ARG_TYPE_NAME, string) \
    F(cl_kernel_arg_info, CL_KERNEL_ARG_NAME, string) \
    F(cl_kernel_arg_info, CL_KERNEL_ARG_TYPE_QUALIFIER, cl_kernel_arg_type_qualifier) \
    \
    F(cl_kernel_work_group_info, CL_KERNEL_GLOBAL_WORK_SIZE, cl::detail::size_t_array) \
    \
    F(cl_device_info, CL_DEVICE_LINKER_AVAILABLE, cl_bool) \
    F(cl_device_info, CL_DEVICE_IMAGE_MAX_BUFFER_SIZE, size_type) \
    F(cl_device_info, CL_DEVICE_IMAGE_MAX_ARRAY_SIZE, size_type) \
    F(cl_device_info, CL_DEVICE_PARENT_DEVICE, cl::Device) \
    F(cl_device_info, CL_DEVICE_PARTITION_MAX_SUB_DEVICES, cl_uint) \
    F(cl_device_info, CL_DEVICE_PARTITION_PROPERTIES, cl::vector<cl_device_partition_property>) \
    F(cl_device_info, CL_DEVICE_PARTITION_TYPE, cl::vector<cl_device_partition_property>)  \
    F(cl_device_info, CL_DEVICE_REFERENCE_COUNT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_INTEROP_USER_SYNC, cl_bool) \
    F(cl_device_info, CL_DEVICE_PARTITION_AFFINITY_DOMAIN, cl_device_affinity_domain) \
    F(cl_device_info, CL_DEVICE_BUILT_IN_KERNELS, string) \
    F(cl_device_info, CL_DEVICE_PRINTF_BUFFER_SIZE, size_type) \
    \
    F(cl_image_info, CL_IMAGE_ARRAY_SIZE, size_type) \
    F(cl_image_info, CL_IMAGE_NUM_MIP_LEVELS, cl_uint) \
    F(cl_image_info, CL_IMAGE_NUM_SAMPLES, cl_uint)
 
#define CL_HPP_PARAM_NAME_INFO_2_0_(F) \
    F(cl_device_info, CL_DEVICE_QUEUE_ON_HOST_PROPERTIES, cl_command_queue_properties) \
    F(cl_device_info, CL_DEVICE_QUEUE_ON_DEVICE_PROPERTIES, cl_command_queue_properties) \
    F(cl_device_info, CL_DEVICE_QUEUE_ON_DEVICE_PREFERRED_SIZE, cl_uint) \
    F(cl_device_info, CL_DEVICE_QUEUE_ON_DEVICE_MAX_SIZE, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_ON_DEVICE_QUEUES, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_ON_DEVICE_EVENTS, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_PIPE_ARGS, cl_uint) \
    F(cl_device_info, CL_DEVICE_PIPE_MAX_ACTIVE_RESERVATIONS, cl_uint) \
    F(cl_device_info, CL_DEVICE_PIPE_MAX_PACKET_SIZE, cl_uint) \
    F(cl_device_info, CL_DEVICE_SVM_CAPABILITIES, cl_device_svm_capabilities) \
    F(cl_device_info, CL_DEVICE_PREFERRED_PLATFORM_ATOMIC_ALIGNMENT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_GLOBAL_ATOMIC_ALIGNMENT, cl_uint) \
    F(cl_device_info, CL_DEVICE_PREFERRED_LOCAL_ATOMIC_ALIGNMENT, cl_uint) \
    F(cl_device_info, CL_DEVICE_IMAGE_PITCH_ALIGNMENT, cl_uint) \
    F(cl_device_info, CL_DEVICE_IMAGE_BASE_ADDRESS_ALIGNMENT, cl_uint) \
    F(cl_device_info, CL_DEVICE_MAX_READ_WRITE_IMAGE_ARGS, cl_uint ) \
    F(cl_device_info, CL_DEVICE_MAX_GLOBAL_VARIABLE_SIZE, size_type ) \
    F(cl_device_info, CL_DEVICE_GLOBAL_VARIABLE_PREFERRED_TOTAL_SIZE, size_type ) \
    F(cl_profiling_info, CL_PROFILING_COMMAND_COMPLETE, cl_ulong) \
    F(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_SVM_FINE_GRAIN_SYSTEM, cl_bool) \
    F(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_SVM_PTRS, void**) \
    F(cl_command_queue_info, CL_QUEUE_SIZE, cl_uint) \
    F(cl_mem_info, CL_MEM_USES_SVM_POINTER, cl_bool) \
    F(cl_program_build_info, CL_PROGRAM_BUILD_GLOBAL_VARIABLE_TOTAL_SIZE, size_type) \
    F(cl_pipe_info, CL_PIPE_PACKET_SIZE, cl_uint) \
    F(cl_pipe_info, CL_PIPE_MAX_PACKETS, cl_uint)
 
#define CL_HPP_PARAM_NAME_INFO_SUBGROUP_KHR_(F) \
    F(cl_kernel_sub_group_info, CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR, size_type) \
    F(cl_kernel_sub_group_info, CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR, size_type)
 
#define CL_HPP_PARAM_NAME_INFO_IL_KHR_(F) \
    F(cl_device_info, CL_DEVICE_IL_VERSION_KHR, string) \
    F(cl_program_info, CL_PROGRAM_IL_KHR, cl::vector<unsigned char>)
 
#define CL_HPP_PARAM_NAME_INFO_2_1_(F) \
    F(cl_platform_info, CL_PLATFORM_HOST_TIMER_RESOLUTION, cl_ulong) \
    F(cl_program_info, CL_PROGRAM_IL, cl::vector<unsigned char>) \
    F(cl_device_info, CL_DEVICE_MAX_NUM_SUB_GROUPS, cl_uint) \
    F(cl_device_info, CL_DEVICE_IL_VERSION, string) \
    F(cl_device_info, CL_DEVICE_SUB_GROUP_INDEPENDENT_FORWARD_PROGRESS, cl_bool) \
    F(cl_command_queue_info, CL_QUEUE_DEVICE_DEFAULT, cl::DeviceCommandQueue) \
    F(cl_kernel_sub_group_info, CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE, size_type) \
    F(cl_kernel_sub_group_info, CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE, size_type) \
    F(cl_kernel_sub_group_info, CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT, cl::detail::size_t_array) \
    F(cl_kernel_sub_group_info, CL_KERNEL_MAX_NUM_SUB_GROUPS, size_type) \
    F(cl_kernel_sub_group_info, CL_KERNEL_COMPILE_NUM_SUB_GROUPS, size_type)
 
#define CL_HPP_PARAM_NAME_INFO_2_2_(F) \
    F(cl_program_info, CL_PROGRAM_SCOPE_GLOBAL_CTORS_PRESENT, cl_bool) \
    F(cl_program_info, CL_PROGRAM_SCOPE_GLOBAL_DTORS_PRESENT, cl_bool)
 
#define CL_HPP_PARAM_NAME_DEVICE_FISSION_EXT_(F) \
    F(cl_device_info, CL_DEVICE_PARENT_DEVICE_EXT, cl::Device) \
    F(cl_device_info, CL_DEVICE_PARTITION_TYPES_EXT, cl::vector<cl_device_partition_property_ext>) \
    F(cl_device_info, CL_DEVICE_AFFINITY_DOMAINS_EXT, cl::vector<cl_device_partition_property_ext>) \
    F(cl_device_info, CL_DEVICE_REFERENCE_COUNT_EXT , cl_uint) \
    F(cl_device_info, CL_DEVICE_PARTITION_STYLE_EXT, cl::vector<cl_device_partition_property_ext>)
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTENDED_VERSIONING_CL3_SHARED_(F) \
    F(cl_platform_info, CL_PLATFORM_NUMERIC_VERSION_KHR, cl_version_khr) \
    F(cl_platform_info, CL_PLATFORM_EXTENSIONS_WITH_VERSION_KHR, cl::vector<cl_name_version_khr>) \
    \
    F(cl_device_info, CL_DEVICE_NUMERIC_VERSION_KHR, cl_version_khr) \
    F(cl_device_info, CL_DEVICE_EXTENSIONS_WITH_VERSION_KHR, cl::vector<cl_name_version_khr>) \
    F(cl_device_info, CL_DEVICE_ILS_WITH_VERSION_KHR, cl::vector<cl_name_version_khr>) \
    F(cl_device_info, CL_DEVICE_BUILT_IN_KERNELS_WITH_VERSION_KHR, cl::vector<cl_name_version_khr>)
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTENDED_VERSIONING_KHRONLY_(F) \
    F(cl_device_info, CL_DEVICE_OPENCL_C_NUMERIC_VERSION_KHR, cl_version_khr)
 
// Note: the query for CL_SEMAPHORE_DEVICE_HANDLE_LIST_KHR is handled specially!
#define CL_HPP_PARAM_NAME_CL_KHR_SEMAPHORE_(F) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_CONTEXT_KHR, cl::Context) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_REFERENCE_COUNT_KHR, cl_uint) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_PROPERTIES_KHR, cl::vector<cl_semaphore_properties_khr>) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_TYPE_KHR, cl_semaphore_type_khr) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_PAYLOAD_KHR, cl_semaphore_payload_khr) \
    F(cl_platform_info, CL_PLATFORM_SEMAPHORE_TYPES_KHR,  cl::vector<cl_semaphore_type_khr>) \
    F(cl_device_info, CL_DEVICE_SEMAPHORE_TYPES_KHR,      cl::vector<cl_semaphore_type_khr>) \
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_MEMORY_(F) \
    F(cl_device_info, CL_DEVICE_EXTERNAL_MEMORY_IMPORT_HANDLE_TYPES_KHR, cl::vector<cl::ExternalMemoryType>) \
    F(cl_platform_info, CL_PLATFORM_EXTERNAL_MEMORY_IMPORT_HANDLE_TYPES_KHR, cl::vector<cl::ExternalMemoryType>)
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_(F) \
    F(cl_platform_info, CL_PLATFORM_SEMAPHORE_IMPORT_HANDLE_TYPES_KHR,  cl::vector<cl_external_semaphore_handle_type_khr>) \
    F(cl_platform_info, CL_PLATFORM_SEMAPHORE_EXPORT_HANDLE_TYPES_KHR,  cl::vector<cl_external_semaphore_handle_type_khr>) \
    F(cl_device_info, CL_DEVICE_SEMAPHORE_IMPORT_HANDLE_TYPES_KHR,      cl::vector<cl_external_semaphore_handle_type_khr>) \
    F(cl_device_info, CL_DEVICE_SEMAPHORE_EXPORT_HANDLE_TYPES_KHR,      cl::vector<cl_external_semaphore_handle_type_khr>) \
    F(cl_semaphore_info_khr, CL_SEMAPHORE_EXPORT_HANDLE_TYPES_KHR,      cl::vector<cl_external_semaphore_handle_type_khr>) \
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_OPAQUE_FD_EXT(F) \
    F(cl_external_semaphore_handle_type_khr, CL_SEMAPHORE_HANDLE_OPAQUE_FD_KHR, int) \
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_SYNC_FD_EXT(F) \
    F(cl_external_semaphore_handle_type_khr, CL_SEMAPHORE_HANDLE_SYNC_FD_KHR, int) \
 
#define CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_WIN32_EXT(F) \
    F(cl_external_semaphore_handle_type_khr, CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KHR, void*) \
    F(cl_external_semaphore_handle_type_khr, CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KMT_KHR, void*) \
 
#define CL_HPP_PARAM_NAME_INFO_3_0_(F) \
    F(cl_platform_info, CL_PLATFORM_NUMERIC_VERSION, cl_version) \
    F(cl_platform_info, CL_PLATFORM_EXTENSIONS_WITH_VERSION, cl::vector<cl_name_version>) \
    \
    F(cl_device_info, CL_DEVICE_NUMERIC_VERSION, cl_version) \
    F(cl_device_info, CL_DEVICE_EXTENSIONS_WITH_VERSION, cl::vector<cl_name_version>) \
    F(cl_device_info, CL_DEVICE_ILS_WITH_VERSION, cl::vector<cl_name_version>) \
    F(cl_device_info, CL_DEVICE_BUILT_IN_KERNELS_WITH_VERSION, cl::vector<cl_name_version>) \
    F(cl_device_info, CL_DEVICE_ATOMIC_MEMORY_CAPABILITIES, cl_device_atomic_capabilities) \
    F(cl_device_info, CL_DEVICE_ATOMIC_FENCE_CAPABILITIES, cl_device_atomic_capabilities) \
    F(cl_device_info, CL_DEVICE_NON_UNIFORM_WORK_GROUP_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_OPENCL_C_ALL_VERSIONS, cl::vector<cl_name_version>) \
    F(cl_device_info, CL_DEVICE_PREFERRED_WORK_GROUP_SIZE_MULTIPLE, size_type) \
    F(cl_device_info, CL_DEVICE_WORK_GROUP_COLLECTIVE_FUNCTIONS_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_GENERIC_ADDRESS_SPACE_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_OPENCL_C_FEATURES, cl::vector<cl_name_version>) \
    F(cl_device_info, CL_DEVICE_DEVICE_ENQUEUE_CAPABILITIES, cl_device_device_enqueue_capabilities) \
    F(cl_device_info, CL_DEVICE_PIPE_SUPPORT, cl_bool) \
    F(cl_device_info, CL_DEVICE_LATEST_CONFORMANCE_VERSION_PASSED, string) \
    \
    F(cl_command_queue_info, CL_QUEUE_PROPERTIES_ARRAY, cl::vector<cl_queue_properties>) \
    F(cl_mem_info, CL_MEM_PROPERTIES, cl::vector<cl_mem_properties>) \
    F(cl_pipe_info, CL_PIPE_PROPERTIES, cl::vector<cl_pipe_properties>) \
    F(cl_sampler_info, CL_SAMPLER_PROPERTIES, cl::vector<cl_sampler_properties>) \
 
#define CL_HPP_PARAM_NAME_CL_IMAGE_REQUIREMENTS_EXT(F) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_ROW_PITCH_ALIGNMENT_EXT, size_type) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_BASE_ADDRESS_ALIGNMENT_EXT, size_type) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_SIZE_EXT, size_type) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_MAX_WIDTH_EXT, cl_uint) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_MAX_HEIGHT_EXT, cl_uint) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_MAX_DEPTH_EXT, cl_uint) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_MAX_ARRAY_SIZE_EXT, cl_uint) \
 
#define CL_HPP_PARAM_NAME_CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT(F) \
    F(cl_image_requirements_info_ext, CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT, size_type) \
 
#define CL_HPP_PARAM_NAME_CL_INTEL_COMMAND_QUEUE_FAMILIES_(F) \
    F(cl_device_info, CL_DEVICE_QUEUE_FAMILY_PROPERTIES_INTEL, cl::vector<cl_queue_family_properties_intel>) \
    \
    F(cl_command_queue_info, CL_QUEUE_FAMILY_INTEL, cl_uint) \
    F(cl_command_queue_info, CL_QUEUE_INDEX_INTEL, cl_uint)
 
#define CL_HPP_PARAM_NAME_CL_INTEL_UNIFIED_SHARED_MEMORY_(F) \
    F(cl_device_info, CL_DEVICE_HOST_MEM_CAPABILITIES_INTEL, cl_device_unified_shared_memory_capabilities_intel ) \
    F(cl_device_info, CL_DEVICE_DEVICE_MEM_CAPABILITIES_INTEL, cl_device_unified_shared_memory_capabilities_intel ) \
    F(cl_device_info, CL_DEVICE_SINGLE_DEVICE_SHARED_MEM_CAPABILITIES_INTEL, cl_device_unified_shared_memory_capabilities_intel ) \
    F(cl_device_info, CL_DEVICE_CROSS_DEVICE_SHARED_MEM_CAPABILITIES_INTEL, cl_device_unified_shared_memory_capabilities_intel ) \
    F(cl_device_info, CL_DEVICE_SHARED_SYSTEM_MEM_CAPABILITIES_INTEL, cl_device_unified_shared_memory_capabilities_intel )
 
template <typename enum_type, cl_int Name>
struct param_traits {};
 
#define CL_HPP_DECLARE_PARAM_TRAITS_(token, param_name, T) \
struct token;                                        \
template<>                                           \
struct param_traits<detail:: token,param_name>       \
{                                                    \
    enum { value = param_name };                     \
    typedef T param_type;                            \
};
 
CL_HPP_PARAM_NAME_INFO_1_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#if CL_HPP_TARGET_OPENCL_VERSION >= 110
CL_HPP_PARAM_NAME_INFO_1_1_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 110
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
CL_HPP_PARAM_NAME_INFO_1_2_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
CL_HPP_PARAM_NAME_INFO_2_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 200
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
CL_HPP_PARAM_NAME_INFO_2_1_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 210
#if CL_HPP_TARGET_OPENCL_VERSION >= 220
CL_HPP_PARAM_NAME_INFO_2_2_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 220
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
CL_HPP_PARAM_NAME_INFO_3_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 300
 
#if defined(cl_khr_subgroups) && CL_HPP_TARGET_OPENCL_VERSION < 210
CL_HPP_PARAM_NAME_INFO_SUBGROUP_KHR_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // #if defined(cl_khr_subgroups) && CL_HPP_TARGET_OPENCL_VERSION < 210
 
#if defined(cl_khr_il_program) && CL_HPP_TARGET_OPENCL_VERSION < 210
CL_HPP_PARAM_NAME_INFO_IL_KHR_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // #if defined(cl_khr_il_program) && CL_HPP_TARGET_OPENCL_VERSION < 210
 
 
// Flags deprecated in OpenCL 2.0
#define CL_HPP_PARAM_NAME_INFO_1_0_DEPRECATED_IN_2_0_(F) \
    F(cl_device_info, CL_DEVICE_QUEUE_PROPERTIES, cl_command_queue_properties)
 
#define CL_HPP_PARAM_NAME_INFO_1_1_DEPRECATED_IN_2_0_(F) \
    F(cl_device_info, CL_DEVICE_HOST_UNIFIED_MEMORY, cl_bool)
 
#define CL_HPP_PARAM_NAME_INFO_1_2_DEPRECATED_IN_2_0_(F) \
    F(cl_image_info, CL_IMAGE_BUFFER, cl::Buffer)
 
// Include deprecated query flags based on versions
// Only include deprecated 1.0 flags if 2.0 not active as there is an enum clash
#if CL_HPP_TARGET_OPENCL_VERSION > 100 && CL_HPP_MINIMUM_OPENCL_VERSION < 200 && CL_HPP_TARGET_OPENCL_VERSION < 200
CL_HPP_PARAM_NAME_INFO_1_0_DEPRECATED_IN_2_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_MINIMUM_OPENCL_VERSION < 110
#if CL_HPP_TARGET_OPENCL_VERSION > 110 && CL_HPP_MINIMUM_OPENCL_VERSION < 200
CL_HPP_PARAM_NAME_INFO_1_1_DEPRECATED_IN_2_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_MINIMUM_OPENCL_VERSION < 120
#if CL_HPP_TARGET_OPENCL_VERSION > 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 200
CL_HPP_PARAM_NAME_INFO_1_2_DEPRECATED_IN_2_0_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_MINIMUM_OPENCL_VERSION < 200
 
#if defined(cl_ext_device_fission)
CL_HPP_PARAM_NAME_DEVICE_FISSION_EXT_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_ext_device_fission
 
#if defined(cl_khr_extended_versioning)
#if CL_HPP_TARGET_OPENCL_VERSION < 300
CL_HPP_PARAM_NAME_CL_KHR_EXTENDED_VERSIONING_CL3_SHARED_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // CL_HPP_TARGET_OPENCL_VERSION < 300
CL_HPP_PARAM_NAME_CL_KHR_EXTENDED_VERSIONING_KHRONLY_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_extended_versioning
 
#if defined(cl_khr_semaphore)
CL_HPP_PARAM_NAME_CL_KHR_SEMAPHORE_(CL_HPP_DECLARE_PARAM_TRAITS_)
#if defined(CL_SEMAPHORE_DEVICE_HANDLE_LIST_KHR)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_semaphore_info_khr, CL_SEMAPHORE_DEVICE_HANDLE_LIST_KHR, cl::vector<cl::Device>)
#endif // defined(CL_SEMAPHORE_DEVICE_HANDLE_LIST_KHR)
#endif // defined(cl_khr_semaphore)
 
#ifdef cl_khr_external_memory
CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_MEMORY_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_external_memory
 
#if defined(cl_khr_external_semaphore)
CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_external_semaphore
 
#if defined(cl_khr_external_semaphore_opaque_fd)
CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_OPAQUE_FD_EXT(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_external_semaphore_opaque_fd
#if defined(cl_khr_external_semaphore_sync_fd)
CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_SYNC_FD_EXT(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_external_semaphore_sync_fd
#if defined(cl_khr_external_semaphore_win32)
CL_HPP_PARAM_NAME_CL_KHR_EXTERNAL_SEMAPHORE_WIN32_EXT(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_khr_external_semaphore_win32
 
#if defined(cl_khr_device_uuid)
using uuid_array = array<cl_uchar, CL_UUID_SIZE_KHR>;
using luid_array = array<cl_uchar, CL_LUID_SIZE_KHR>;
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_UUID_KHR, uuid_array)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DRIVER_UUID_KHR, uuid_array)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_LUID_VALID_KHR, cl_bool)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_LUID_KHR, luid_array)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_NODE_MASK_KHR, cl_uint)
#endif
 
#if defined(cl_khr_pci_bus_info)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_PCI_BUS_INFO_KHR, cl_device_pci_bus_info_khr)
#endif
 
// Note: some headers do not define cl_khr_image2d_from_buffer
#if CL_HPP_TARGET_OPENCL_VERSION < 200
#if defined(CL_DEVICE_IMAGE_PITCH_ALIGNMENT_KHR)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_IMAGE_PITCH_ALIGNMENT_KHR, cl_uint)
#endif
#if defined(CL_DEVICE_IMAGE_BASE_ADDRESS_ALIGNMENT_KHR)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_IMAGE_BASE_ADDRESS_ALIGNMENT_KHR, cl_uint)
#endif
#endif // CL_HPP_TARGET_OPENCL_VERSION < 200
 
#if defined(cl_khr_integer_dot_product)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_INTEGER_DOT_PRODUCT_CAPABILITIES_KHR, cl_device_integer_dot_product_capabilities_khr)
#if defined(CL_DEVICE_INTEGER_DOT_PRODUCT_ACCELERATION_PROPERTIES_8BIT_KHR)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_INTEGER_DOT_PRODUCT_ACCELERATION_PROPERTIES_8BIT_KHR, cl_device_integer_dot_product_acceleration_properties_khr)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_INTEGER_DOT_PRODUCT_ACCELERATION_PROPERTIES_4x8BIT_PACKED_KHR, cl_device_integer_dot_product_acceleration_properties_khr)
#endif // defined(CL_DEVICE_INTEGER_DOT_PRODUCT_ACCELERATION_PROPERTIES_8BIT_KHR)
#endif // defined(cl_khr_integer_dot_product)
 
#if defined(cl_ext_image_requirements_info)
CL_HPP_PARAM_NAME_CL_IMAGE_REQUIREMENTS_EXT(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_ext_image_requirements_info
 
#if defined(cl_ext_image_from_buffer)
CL_HPP_PARAM_NAME_CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_ext_image_from_buffer
 
#ifdef CL_PLATFORM_ICD_SUFFIX_KHR
CL_HPP_DECLARE_PARAM_TRAITS_(cl_platform_info, CL_PLATFORM_ICD_SUFFIX_KHR, string)
#endif
 
#ifdef CL_DEVICE_PROFILING_TIMER_OFFSET_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_PROFILING_TIMER_OFFSET_AMD, cl_ulong)
#endif
#ifdef CL_DEVICE_GLOBAL_FREE_MEMORY_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_GLOBAL_FREE_MEMORY_AMD, vector<size_type>)
#endif
#ifdef CL_DEVICE_SIMD_PER_COMPUTE_UNIT_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SIMD_PER_COMPUTE_UNIT_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_SIMD_WIDTH_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SIMD_WIDTH_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_SIMD_INSTRUCTION_WIDTH_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SIMD_INSTRUCTION_WIDTH_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_WAVEFRONT_WIDTH_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_WAVEFRONT_WIDTH_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_GLOBAL_MEM_CHANNELS_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_GLOBAL_MEM_CHANNELS_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_GLOBAL_MEM_CHANNEL_BANKS_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_GLOBAL_MEM_CHANNEL_BANKS_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_GLOBAL_MEM_CHANNEL_BANK_WIDTH_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_GLOBAL_MEM_CHANNEL_BANK_WIDTH_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_LOCAL_MEM_SIZE_PER_COMPUTE_UNIT_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_LOCAL_MEM_SIZE_PER_COMPUTE_UNIT_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_LOCAL_MEM_BANKS_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_LOCAL_MEM_BANKS_AMD, cl_uint)
#endif
#ifdef CL_DEVICE_BOARD_NAME_AMD
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_BOARD_NAME_AMD, string)
#endif
 
#ifdef CL_DEVICE_COMPUTE_UNITS_BITFIELD_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_COMPUTE_UNITS_BITFIELD_ARM, cl_ulong)
#endif
#ifdef CL_DEVICE_JOB_SLOTS_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_JOB_SLOTS_ARM, cl_uint)
#endif
#ifdef CL_DEVICE_SCHEDULING_CONTROLS_CAPABILITIES_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SCHEDULING_CONTROLS_CAPABILITIES_ARM, cl_bitfield)
#endif
#ifdef CL_DEVICE_SUPPORTED_REGISTER_ALLOCATIONS_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SUPPORTED_REGISTER_ALLOCATIONS_ARM, vector<cl_uint>)
#endif
#ifdef CL_DEVICE_MAX_WARP_COUNT_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_MAX_WARP_COUNT_ARM, cl_uint)
#endif
#ifdef CL_KERNEL_MAX_WARP_COUNT_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_info, CL_KERNEL_MAX_WARP_COUNT_ARM, cl_uint)
#endif
#ifdef CL_KERNEL_EXEC_INFO_WORKGROUP_BATCH_SIZE_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_WORKGROUP_BATCH_SIZE_ARM, cl_uint)
#endif
#ifdef CL_KERNEL_EXEC_INFO_WORKGROUP_BATCH_SIZE_MODIFIER_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_WORKGROUP_BATCH_SIZE_MODIFIER_ARM, cl_int)
#endif
#ifdef CL_KERNEL_EXEC_INFO_WARP_COUNT_LIMIT_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_WARP_COUNT_LIMIT_ARM, cl_uint)
#endif
#ifdef CL_KERNEL_EXEC_INFO_COMPUTE_UNIT_MAX_QUEUED_BATCHES_ARM
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_exec_info, CL_KERNEL_EXEC_INFO_COMPUTE_UNIT_MAX_QUEUED_BATCHES_ARM, cl_uint)
#endif
 
#ifdef CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV, cl_uint)
#endif
#ifdef CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV, cl_uint)
#endif
#ifdef CL_DEVICE_REGISTERS_PER_BLOCK_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_REGISTERS_PER_BLOCK_NV, cl_uint)
#endif
#ifdef CL_DEVICE_WARP_SIZE_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_WARP_SIZE_NV, cl_uint)
#endif
#ifdef CL_DEVICE_GPU_OVERLAP_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_GPU_OVERLAP_NV, cl_bool)
#endif
#ifdef CL_DEVICE_KERNEL_EXEC_TIMEOUT_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_KERNEL_EXEC_TIMEOUT_NV, cl_bool)
#endif
#ifdef CL_DEVICE_INTEGRATED_MEMORY_NV
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_INTEGRATED_MEMORY_NV, cl_bool)
#endif
 
#if defined(cl_khr_command_buffer)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_COMMAND_BUFFER_CAPABILITIES_KHR, cl_device_command_buffer_capabilities_khr)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_COMMAND_BUFFER_REQUIRED_QUEUE_PROPERTIES_KHR, cl_command_queue_properties)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_command_buffer_info_khr, CL_COMMAND_BUFFER_QUEUES_KHR, cl::vector<CommandQueue>)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_command_buffer_info_khr, CL_COMMAND_BUFFER_NUM_QUEUES_KHR, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_command_buffer_info_khr, CL_COMMAND_BUFFER_REFERENCE_COUNT_KHR, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_command_buffer_info_khr, CL_COMMAND_BUFFER_STATE_KHR, cl_command_buffer_state_khr)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_command_buffer_info_khr, CL_COMMAND_BUFFER_PROPERTIES_ARRAY_KHR, cl::vector<cl_command_buffer_properties_khr>)
#endif /* cl_khr_command_buffer */
 
#if defined(cl_khr_command_buffer_mutable_dispatch)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_COMMAND_COMMAND_QUEUE_KHR, CommandQueue)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_COMMAND_COMMAND_BUFFER_KHR, CommandBufferKhr)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_COMMAND_COMMAND_TYPE_KHR, cl_command_type)
 
#if CL_KHR_COMMAND_BUFFER_MUTABLE_DISPATCH_EXTENSION_VERSION > CL_MAKE_VERSION(0, 9, 2)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_COMMAND_PROPERTIES_ARRAY_KHR, cl::vector<cl_command_properties_khr>)
#else
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_PROPERTIES_ARRAY_KHR, cl::vector<cl_ndrange_kernel_command_properties_khr>)
#endif
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_KERNEL_KHR, cl_kernel)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_DIMENSIONS_KHR, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_GLOBAL_WORK_OFFSET_KHR, cl::vector<size_type>)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_GLOBAL_WORK_SIZE_KHR, cl::vector<size_type>)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_mutable_command_info_khr, CL_MUTABLE_DISPATCH_LOCAL_WORK_SIZE_KHR, cl::vector<size_type>)
#endif /* cl_khr_command_buffer_mutable_dispatch */
 
#if defined(cl_khr_kernel_clock)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_KERNEL_CLOCK_CAPABILITIES_KHR, cl_device_kernel_clock_capabilities_khr)
#endif /* cl_khr_kernel_clock */
 
#if defined(cl_ext_float_atomics)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SINGLE_FP_ATOMIC_CAPABILITIES_EXT, cl_device_fp_atomic_capabilities_ext)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_DOUBLE_FP_ATOMIC_CAPABILITIES_EXT, cl_device_fp_atomic_capabilities_ext)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_HALF_FP_ATOMIC_CAPABILITIES_EXT, cl_device_fp_atomic_capabilities_ext)
#endif /* cl_ext_float_atomics */
 
#if defined(cl_intel_command_queue_families)
CL_HPP_PARAM_NAME_CL_INTEL_COMMAND_QUEUE_FAMILIES_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_intel_command_queue_families
 
#if defined(cl_intel_device_attribute_query)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_IP_VERSION_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_ID_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_NUM_SLICES_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_NUM_SUB_SLICES_PER_SLICE_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_NUM_EUS_PER_SUB_SLICE_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_NUM_THREADS_PER_EU_INTEL, cl_uint)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_FEATURE_CAPABILITIES_INTEL, cl_device_feature_capabilities_intel)
#endif // cl_intel_device_attribute_query
 
#if defined(cl_intel_required_subgroup_size)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_device_info, CL_DEVICE_SUB_GROUP_SIZES_INTEL, cl::vector<size_type>)
CL_HPP_DECLARE_PARAM_TRAITS_(cl_kernel_work_group_info, CL_KERNEL_SPILL_MEM_SIZE_INTEL, cl_ulong)
#endif // cl_intel_required_subgroup_size
 
#if defined(cl_intel_unified_shared_memory)
CL_HPP_PARAM_NAME_CL_INTEL_UNIFIED_SHARED_MEMORY_(CL_HPP_DECLARE_PARAM_TRAITS_)
#endif // cl_intel_unified_shared_memory
 
// Convenience functions
 
template <typename Func, typename T>
inline cl_int
getInfo(Func f, cl_uint name, T* param)
{
    return getInfoHelper(f, name, param, 0);
}
 
template <typename Func, typename Arg0>
struct GetInfoFunctor0
{
    Func f_; const Arg0& arg0_;
    cl_int operator ()(
        cl_uint param, size_type size, void* value, size_type* size_ret)
    { return f_(arg0_, param, size, value, size_ret); }
};
 
template <typename Func, typename Arg0, typename Arg1>
struct GetInfoFunctor1
{
    Func f_; const Arg0& arg0_; const Arg1& arg1_;
    cl_int operator ()(
        cl_uint param, size_type size, void* value, size_type* size_ret)
    { return f_(arg0_, arg1_, param, size, value, size_ret); }
};
 
template <typename Func, typename Arg0, typename T>
inline cl_int
getInfo(Func f, const Arg0& arg0, cl_uint name, T* param)
{
    GetInfoFunctor0<Func, Arg0> f0 = { f, arg0 };
    return getInfoHelper(f0, name, param, 0);
}
 
template <typename Func, typename Arg0, typename Arg1, typename T>
inline cl_int
getInfo(Func f, const Arg0& arg0, const Arg1& arg1, cl_uint name, T* param)
{
    GetInfoFunctor1<Func, Arg0, Arg1> f0 = { f, arg0, arg1 };
    return getInfoHelper(f0, name, param, 0);
}
 
 
template<typename T>
struct ReferenceHandler
{ };
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
template <>
struct ReferenceHandler<cl_device_id>
{
    static cl_int retain(cl_device_id device)
    { return ::clRetainDevice(device); }
    static cl_int release(cl_device_id device)
    { return ::clReleaseDevice(device); }
};
#else // CL_HPP_TARGET_OPENCL_VERSION >= 120
template <>
struct ReferenceHandler<cl_device_id>
{
    // cl_device_id does not have retain().
    static cl_int retain(cl_device_id)
    { return CL_SUCCESS; }
    // cl_device_id does not have release().
    static cl_int release(cl_device_id)
    { return CL_SUCCESS; }
};
#endif // ! (CL_HPP_TARGET_OPENCL_VERSION >= 120)
 
template <>
struct ReferenceHandler<cl_platform_id>
{
    // cl_platform_id does not have retain().
    static cl_int retain(cl_platform_id)
    { return CL_SUCCESS; }
    // cl_platform_id does not have release().
    static cl_int release(cl_platform_id)
    { return CL_SUCCESS; }
};
 
template <>
struct ReferenceHandler<cl_context>
{
    static cl_int retain(cl_context context)
    { return ::clRetainContext(context); }
    static cl_int release(cl_context context)
    { return ::clReleaseContext(context); }
};
 
template <>
struct ReferenceHandler<cl_command_queue>
{
    static cl_int retain(cl_command_queue queue)
    { return ::clRetainCommandQueue(queue); }
    static cl_int release(cl_command_queue queue)
    { return ::clReleaseCommandQueue(queue); }
};
 
template <>
struct ReferenceHandler<cl_mem>
{
    static cl_int retain(cl_mem memory)
    { return ::clRetainMemObject(memory); }
    static cl_int release(cl_mem memory)
    { return ::clReleaseMemObject(memory); }
};
 
template <>
struct ReferenceHandler<cl_sampler>
{
    static cl_int retain(cl_sampler sampler)
    { return ::clRetainSampler(sampler); }
    static cl_int release(cl_sampler sampler)
    { return ::clReleaseSampler(sampler); }
};
 
template <>
struct ReferenceHandler<cl_program>
{
    static cl_int retain(cl_program program)
    { return ::clRetainProgram(program); }
    static cl_int release(cl_program program)
    { return ::clReleaseProgram(program); }
};
 
template <>
struct ReferenceHandler<cl_kernel>
{
    static cl_int retain(cl_kernel kernel)
    { return ::clRetainKernel(kernel); }
    static cl_int release(cl_kernel kernel)
    { return ::clReleaseKernel(kernel); }
};
 
template <>
struct ReferenceHandler<cl_event>
{
    static cl_int retain(cl_event event)
    { return ::clRetainEvent(event); }
    static cl_int release(cl_event event)
    { return ::clReleaseEvent(event); }
};
 
#ifdef cl_khr_semaphore
template <>
struct ReferenceHandler<cl_semaphore_khr>
{
    static cl_int retain(cl_semaphore_khr semaphore)
    { 
        if (pfn_clRetainSemaphoreKHR != nullptr) {
            return pfn_clRetainSemaphoreKHR(semaphore);
        }
 
        return CL_INVALID_OPERATION;
    }
 
    static cl_int release(cl_semaphore_khr semaphore)
    {
        if (pfn_clReleaseSemaphoreKHR != nullptr) {
            return pfn_clReleaseSemaphoreKHR(semaphore);
        }
 
        return CL_INVALID_OPERATION;
    }
};
#endif // cl_khr_semaphore
#if defined(cl_khr_command_buffer)
template <>
struct ReferenceHandler<cl_command_buffer_khr>
{
    static cl_int retain(cl_command_buffer_khr cmdBufferKhr)
    {
        if (pfn_clRetainCommandBufferKHR == nullptr) {
            return detail::errHandler(CL_INVALID_OPERATION, __RETAIN_COMMAND_BUFFER_KHR_ERR);
        }
        return pfn_clRetainCommandBufferKHR(cmdBufferKhr);
    }
 
    static cl_int release(cl_command_buffer_khr cmdBufferKhr)
    {
        if (pfn_clReleaseCommandBufferKHR == nullptr) {
            return detail::errHandler(CL_INVALID_OPERATION, __RELEASE_COMMAND_BUFFER_KHR_ERR);
        }
        return pfn_clReleaseCommandBufferKHR(cmdBufferKhr);
    }
};
 
template <>
struct ReferenceHandler<cl_mutable_command_khr>
{
    // cl_mutable_command_khr does not have retain().
    static cl_int retain(cl_mutable_command_khr)
    { return CL_SUCCESS; }
    // cl_mutable_command_khr does not have release().
    static cl_int release(cl_mutable_command_khr)
    { return CL_SUCCESS; }
};
#endif // cl_khr_command_buffer
 
 
#if (CL_HPP_TARGET_OPENCL_VERSION >= 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 120) || \
    (CL_HPP_TARGET_OPENCL_VERSION >= 200 && CL_HPP_MINIMUM_OPENCL_VERSION < 200)
// Extracts version number with major in the upper 16 bits, minor in the lower 16
static cl_uint getVersion(const vector<char> &versionInfo)
{
    int highVersion = 0;
    int lowVersion = 0;
    int index = 7;
    while(versionInfo[index] != '.' ) {
        highVersion *= 10;
        highVersion += versionInfo[index]-'0';
        ++index;
    }
    ++index;
    while(versionInfo[index] != ' ' &&  versionInfo[index] != '\0') {
        lowVersion *= 10;
        lowVersion += versionInfo[index]-'0';
        ++index;
    }
    return (highVersion << 16) | lowVersion;
}
 
static cl_uint getPlatformVersion(cl_platform_id platform)
{
    size_type size = 0;
    clGetPlatformInfo(platform, CL_PLATFORM_VERSION, 0, nullptr, &size);
 
    vector<char> versionInfo(size);
    clGetPlatformInfo(platform, CL_PLATFORM_VERSION, size, versionInfo.data(), &size);
    return getVersion(versionInfo);
}
 
static cl_uint getDevicePlatformVersion(cl_device_id device)
{
    cl_platform_id platform;
    clGetDeviceInfo(device, CL_DEVICE_PLATFORM, sizeof(platform), &platform, nullptr);
    return getPlatformVersion(platform);
}
 
static cl_uint getContextPlatformVersion(cl_context context)
{
    // The platform cannot be queried directly, so we first have to grab a
    // device and obtain its context
    size_type size = 0;
    clGetContextInfo(context, CL_CONTEXT_DEVICES, 0, nullptr, &size);
    if (size == 0)
        return 0;
    vector<cl_device_id> devices(size/sizeof(cl_device_id));
    clGetContextInfo(context, CL_CONTEXT_DEVICES, size, devices.data(), nullptr);
    return getDevicePlatformVersion(devices[0]);
}
#endif // CL_HPP_TARGET_OPENCL_VERSION && CL_HPP_MINIMUM_OPENCL_VERSION
 
template <typename T>
class Wrapper
{
public:
    typedef T cl_type;
 
protected:
    cl_type object_;
 
public:
    Wrapper() : object_(nullptr) { }
    
    Wrapper(const cl_type &obj, bool retainObject) : object_(obj) 
    {
        if (retainObject) { 
            detail::errHandler(retain(), __RETAIN_ERR); 
        }
    }
 
    ~Wrapper()
    {
        if (object_ != nullptr) { release(); }
    }
 
    Wrapper(const Wrapper<cl_type>& rhs)
    {
        object_ = rhs.object_;
        detail::errHandler(retain(), __RETAIN_ERR);
    }
 
    Wrapper(Wrapper<cl_type>&& rhs) noexcept
    {
        object_ = rhs.object_;
        rhs.object_ = nullptr;
    }
 
    Wrapper<cl_type>& operator = (const Wrapper<cl_type>& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            detail::errHandler(retain(), __RETAIN_ERR);
        }
        return *this;
    }
 
    Wrapper<cl_type>& operator = (Wrapper<cl_type>&& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            rhs.object_ = nullptr;
        }
        return *this;
    }
 
    Wrapper<cl_type>& operator = (const cl_type &rhs)
    {
        detail::errHandler(release(), __RELEASE_ERR);
        object_ = rhs;
        return *this;
    }
 
    const cl_type& operator ()() const { return object_; }
 
    cl_type& operator ()() { return object_; }
 
    cl_type get() const { return object_; }
 
protected:
    template<typename Func, typename U>
    friend inline cl_int getInfoHelper(Func, cl_uint, U*, int, typename U::cl_type);
 
    cl_int retain() const
    {
        if (object_ != nullptr) {
            return ReferenceHandler<cl_type>::retain(object_);
        }
        else {
            return CL_SUCCESS;
        }
    }
 
    cl_int release() const
    {
        if (object_ != nullptr) {
            return ReferenceHandler<cl_type>::release(object_);
        }
        else {
            return CL_SUCCESS;
        }
    }
};
 
template <>
class Wrapper<cl_device_id>
{
public:
    typedef cl_device_id cl_type;
 
protected:
    cl_type object_;
    bool referenceCountable_;
 
    static bool isReferenceCountable(cl_device_id device)
    {
        bool retVal = false;
#if CL_HPP_TARGET_OPENCL_VERSION >= 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 120
        if (device != nullptr) {
            int version = getDevicePlatformVersion(device);
            if(version > ((1 << 16) + 1)) {
                retVal = true;
            }
        }
#elif CL_HPP_TARGET_OPENCL_VERSION >= 120
        retVal = true;
#endif // CL_HPP_TARGET_OPENCL_VERSION
        (void)device;
        return retVal;
    }
 
public:
    Wrapper() : object_(nullptr), referenceCountable_(false) 
    { 
    }
    
    Wrapper(const cl_type &obj, bool retainObject) : 
        object_(obj), 
        referenceCountable_(false) 
    {
        referenceCountable_ = isReferenceCountable(obj); 
 
        if (retainObject) {
            detail::errHandler(retain(), __RETAIN_ERR);
        }
    }
 
    ~Wrapper()
    {
        release();
    }
    
    Wrapper(const Wrapper<cl_type>& rhs)
    {
        object_ = rhs.object_;
        referenceCountable_ = isReferenceCountable(object_); 
        detail::errHandler(retain(), __RETAIN_ERR);
    }
 
    Wrapper(Wrapper<cl_type>&& rhs) noexcept
    {
        object_ = rhs.object_;
        referenceCountable_ = rhs.referenceCountable_;
        rhs.object_ = nullptr;
        rhs.referenceCountable_ = false;
    }
 
    Wrapper<cl_type>& operator = (const Wrapper<cl_type>& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            referenceCountable_ = rhs.referenceCountable_;
            detail::errHandler(retain(), __RETAIN_ERR);
        }
        return *this;
    }
 
    Wrapper<cl_type>& operator = (Wrapper<cl_type>&& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            referenceCountable_ = rhs.referenceCountable_;
            rhs.object_ = nullptr;
            rhs.referenceCountable_ = false;
        }
        return *this;
    }
 
    Wrapper<cl_type>& operator = (const cl_type &rhs)
    {
        detail::errHandler(release(), __RELEASE_ERR);
        object_ = rhs;
        referenceCountable_ = isReferenceCountable(object_); 
        return *this;
    }
 
    const cl_type& operator ()() const { return object_; }
 
    cl_type& operator ()() { return object_; }
 
    cl_type get() const { return object_; }
 
protected:
    template<typename Func, typename U>
    friend inline cl_int getInfoHelper(Func, cl_uint, U*, int, typename U::cl_type);
 
    template<typename Func, typename U>
    friend inline cl_int getInfoHelper(Func, cl_uint, vector<U>*, int, typename U::cl_type);
 
    cl_int retain() const
    {
        if( object_ != nullptr && referenceCountable_ ) {
            return ReferenceHandler<cl_type>::retain(object_);
        }
        else {
            return CL_SUCCESS;
        }
    }
 
    cl_int release() const
    {
        if (object_ != nullptr && referenceCountable_) {
            return ReferenceHandler<cl_type>::release(object_);
        }
        else {
            return CL_SUCCESS;
        }
    }
};
 
template <typename T>
inline bool operator==(const Wrapper<T> &lhs, const Wrapper<T> &rhs)
{
    return lhs() == rhs();
}
 
template <typename T>
inline bool operator!=(const Wrapper<T> &lhs, const Wrapper<T> &rhs)
{
    return !operator==(lhs, rhs);
}
 
} // namespace detail
 
 
 
 
 
struct ImageFormat : public cl_image_format
{
    ImageFormat(){}
 
    ImageFormat(cl_channel_order order, cl_channel_type type)
    {
        image_channel_order = order;
        image_channel_data_type = type;
    }
 
    ImageFormat(const ImageFormat &other) { *this = other; }
 
    ImageFormat& operator = (const ImageFormat& rhs)
    {
        if (this != &rhs) {
            this->image_channel_data_type = rhs.image_channel_data_type;
            this->image_channel_order     = rhs.image_channel_order;
        }
        return *this;
    }
};
 
class Device : public detail::Wrapper<cl_device_id>
{
private:
    static std::once_flag default_initialized_;
    static Device default_;
    static cl_int default_error_;
 
    static void makeDefault();
 
    static void makeDefaultProvided(const Device &p) {
        default_ = p;
    }
 
public:
#ifdef CL_HPP_UNIT_TEST_ENABLE
    static void unitTestClearDefault() {
        default_ = Device();
    }
#endif // #ifdef CL_HPP_UNIT_TEST_ENABLE
 
    Device() : detail::Wrapper<cl_type>() { }
 
    explicit Device(const cl_device_id &device, bool retainObject = false) : 
        detail::Wrapper<cl_type>(device, retainObject) { }
 
    static Device getDefault(
        cl_int *errResult = nullptr)
    {
        std::call_once(default_initialized_, makeDefault);
        detail::errHandler(default_error_);
        if (errResult != nullptr) {
            *errResult = default_error_;
        }
        return default_;
    }
 
    static Device setDefault(const Device &default_device)
    {
        std::call_once(default_initialized_, makeDefaultProvided, std::cref(default_device));
        detail::errHandler(default_error_);
        return default_;
    }
 
    Device& operator = (const cl_device_id& rhs)
    {
        detail::Wrapper<cl_type>::operator=(rhs);
        return *this;
    }
 
 
    template <typename T>
    cl_int getInfo(cl_device_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetDeviceInfo, object_, name, param),
            __GET_DEVICE_INFO_ERR);
    }
 
    template <cl_device_info name> typename
    detail::param_traits<detail::cl_device_info, name>::param_type
    getInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_device_info, name>::param_type param;
        cl_int result = getInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 210
    cl_ulong getHostTimer(cl_int *error = nullptr)
    {
        cl_ulong retVal = 0;
        cl_int err = 
            clGetHostTimer(this->get(), &retVal);
        detail::errHandler(
            err,
            __GET_HOST_TIMER_ERR);
        if (error) {
            *error = err;
        }
        return retVal;
    }
 
    std::pair<cl_ulong, cl_ulong> getDeviceAndHostTimer(cl_int *error = nullptr)
    {
        std::pair<cl_ulong, cl_ulong> retVal;
        cl_int err =
            clGetDeviceAndHostTimer(this->get(), &(retVal.first), &(retVal.second));
        detail::errHandler(
            err,
            __GET_DEVICE_AND_HOST_TIMER_ERR);
        if (error) {
            *error = err;
        }
        return retVal;
    }
#endif // #if CL_HPP_TARGET_OPENCL_VERSION >= 210
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
    cl_int createSubDevices(const cl_device_partition_property* properties,
                            vector<Device>* devices);
#endif // defined (CL_HPP_TARGET_OPENCL_VERSION >= 120)
 
#if defined(cl_ext_device_fission)
    cl_int createSubDevices(const cl_device_partition_property_ext* properties,
                            vector<Device>* devices);
#endif // defined(cl_ext_device_fission)
};
 
using BuildLogType = vector<std::pair<cl::Device, typename detail::param_traits<detail::cl_program_build_info, CL_PROGRAM_BUILD_LOG>::param_type>>;
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
class BuildError : public Error
{
private:
    BuildLogType buildLogs;
public:
    BuildError(cl_int err, const char * errStr, const BuildLogType &vec) : Error(err, errStr), buildLogs(vec)
    {
    }
 
    BuildLogType getBuildLog() const
    {
        return buildLogs;
    }
};
namespace detail {
    static inline cl_int buildErrHandler(
        cl_int err,
        const char * errStr,
        const BuildLogType &buildLogs)
    {
        if (err != CL_SUCCESS) {
            throw BuildError(err, errStr, buildLogs);
        }
        return err;
    }
} // namespace detail
 
#else
namespace detail {
    static inline cl_int buildErrHandler(
        cl_int err,
        const char * errStr,
        const BuildLogType &buildLogs)
    {
        (void)buildLogs; // suppress unused variable warning
        (void)errStr;
        return err;
    }
} // namespace detail
#endif // #if defined(CL_HPP_ENABLE_EXCEPTIONS)
 
CL_HPP_DEFINE_STATIC_MEMBER_ std::once_flag Device::default_initialized_;
CL_HPP_DEFINE_STATIC_MEMBER_ Device Device::default_;
CL_HPP_DEFINE_STATIC_MEMBER_ cl_int Device::default_error_ = CL_SUCCESS;
 
class Platform : public detail::Wrapper<cl_platform_id>
{
private:
    static std::once_flag default_initialized_;
    static Platform default_;
    static cl_int default_error_;
 
    static void makeDefault() {
        /* Throwing an exception from a call_once invocation does not do
        * what we wish, so we catch it and save the error.
        */
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        try
#endif
        {
            // If default wasn't passed ,generate one
            // Otherwise set it
            cl_uint n = 0;
 
            cl_int err = ::clGetPlatformIDs(0, nullptr, &n);
            if (err != CL_SUCCESS) {
                default_error_ = err;
                return;
            }
            if (n == 0) {
                default_error_ = CL_INVALID_PLATFORM;
                return;
            }
 
            vector<cl_platform_id> ids(n);
            err = ::clGetPlatformIDs(n, ids.data(), nullptr);
            if (err != CL_SUCCESS) {
                default_error_ = err;
                return;
            }
 
            default_ = Platform(ids[0]);
        }
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        catch (cl::Error &e) {
            default_error_ = e.err();
        }
#endif
    }
 
    static void makeDefaultProvided(const Platform &p) {
       default_ = p;
    }
    
public:
#ifdef CL_HPP_UNIT_TEST_ENABLE
    static void unitTestClearDefault() {
        default_ = Platform();
    }
#endif // #ifdef CL_HPP_UNIT_TEST_ENABLE
 
    Platform() : detail::Wrapper<cl_type>()  { }
 
    explicit Platform(const cl_platform_id &platform, bool retainObject = false) : 
        detail::Wrapper<cl_type>(platform, retainObject) { }
 
    Platform& operator = (const cl_platform_id& rhs)
    {
        detail::Wrapper<cl_type>::operator=(rhs);
        return *this;
    }
 
    static Platform getDefault(
        cl_int *errResult = nullptr)
    {
        std::call_once(default_initialized_, makeDefault);
        detail::errHandler(default_error_);
        if (errResult != nullptr) {
            *errResult = default_error_;
        }
        return default_;
    }
 
    static Platform setDefault(const Platform &default_platform)
    {
        std::call_once(default_initialized_, makeDefaultProvided, std::cref(default_platform));
        detail::errHandler(default_error_);
        return default_;
    }
 
    template <typename T>
    cl_int getInfo(cl_platform_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetPlatformInfo, object_, name, param),
            __GET_PLATFORM_INFO_ERR);
    }
 
    template <cl_platform_info name> typename
    detail::param_traits<detail::cl_platform_info, name>::param_type
    getInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_platform_info, name>::param_type param;
        cl_int result = getInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
    cl_int getDevices(
        cl_device_type type,
        vector<Device>* devices) const
    {
        cl_uint n = 0;
        if( devices == nullptr ) {
            return detail::errHandler(CL_INVALID_ARG_VALUE, __GET_DEVICE_IDS_ERR);
        }
        cl_int err = ::clGetDeviceIDs(object_, type, 0, nullptr, &n);
        if (err != CL_SUCCESS  && err != CL_DEVICE_NOT_FOUND) {
            return detail::errHandler(err, __GET_DEVICE_IDS_ERR);
        }
 
        vector<cl_device_id> ids(n);
        if (n>0) {
            err = ::clGetDeviceIDs(object_, type, n, ids.data(), nullptr);
            if (err != CL_SUCCESS) {
                return detail::errHandler(err, __GET_DEVICE_IDS_ERR);
            }
        }
 
        // Cannot trivially assign because we need to capture intermediates 
        // with safe construction
        // We must retain things we obtain from the API to avoid releasing
        // API-owned objects.
        if (devices) {
            devices->resize(ids.size());
 
            // Assign to param, constructing with retain behaviour
            // to correctly capture each underlying CL object
            for (size_type i = 0; i < ids.size(); i++) {
                (*devices)[i] = Device(ids[i], true);
            }
        }
        return CL_SUCCESS;
    }
 
#if defined(CL_HPP_USE_DX_INTEROP)
    cl_int getDevices(
        cl_d3d10_device_source_khr d3d_device_source,
        void *                     d3d_object,
        cl_d3d10_device_set_khr    d3d_device_set,
        vector<Device>* devices) const
    {
        typedef CL_API_ENTRY cl_int (CL_API_CALL *PFN_clGetDeviceIDsFromD3D10KHR)(
            cl_platform_id platform, 
            cl_d3d10_device_source_khr d3d_device_source, 
            void * d3d_object,
            cl_d3d10_device_set_khr d3d_device_set,
            cl_uint num_entries,
            cl_device_id * devices,
            cl_uint* num_devices);
 
        if( devices == nullptr ) {
            return detail::errHandler(CL_INVALID_ARG_VALUE, __GET_DEVICE_IDS_ERR);
        }
 
        static PFN_clGetDeviceIDsFromD3D10KHR pfn_clGetDeviceIDsFromD3D10KHR = nullptr;
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        CL_HPP_INIT_CL_EXT_FCN_PTR_PLATFORM_(object_, clGetDeviceIDsFromD3D10KHR);
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
        CL_HPP_INIT_CL_EXT_FCN_PTR_(clGetDeviceIDsFromD3D10KHR);
#endif
 
        cl_uint n = 0;
        cl_int err = pfn_clGetDeviceIDsFromD3D10KHR(
            object_, 
            d3d_device_source, 
            d3d_object,
            d3d_device_set, 
            0, 
            nullptr, 
            &n);
        if (err != CL_SUCCESS) {
            return detail::errHandler(err, __GET_DEVICE_IDS_ERR);
        }
 
        vector<cl_device_id> ids(n);
        err = pfn_clGetDeviceIDsFromD3D10KHR(
            object_, 
            d3d_device_source, 
            d3d_object,
            d3d_device_set,
            n, 
            ids.data(), 
            nullptr);
        if (err != CL_SUCCESS) {
            return detail::errHandler(err, __GET_DEVICE_IDS_ERR);
        }
 
        // Cannot trivially assign because we need to capture intermediates 
        // with safe construction
        // We must retain things we obtain from the API to avoid releasing
        // API-owned objects.
        if (devices) {
            devices->resize(ids.size());
 
            // Assign to param, constructing with retain behaviour
            // to correctly capture each underlying CL object
            for (size_type i = 0; i < ids.size(); i++) {
                (*devices)[i] = Device(ids[i], true);
            }
        }
        return CL_SUCCESS;
    }
#endif
 
    static cl_int get(
        vector<Platform>* platforms)
    {
        cl_uint n = 0;
 
        if( platforms == nullptr ) {
            return detail::errHandler(CL_INVALID_ARG_VALUE, __GET_PLATFORM_IDS_ERR);
        }
 
        cl_int err = ::clGetPlatformIDs(0, nullptr, &n);
        if (err != CL_SUCCESS) {
            return detail::errHandler(err, __GET_PLATFORM_IDS_ERR);
        }
 
        vector<cl_platform_id> ids(n);
        err = ::clGetPlatformIDs(n, ids.data(), nullptr);
        if (err != CL_SUCCESS) {
            return detail::errHandler(err, __GET_PLATFORM_IDS_ERR);
        }
 
        if (platforms) {
            platforms->resize(ids.size());
 
            // Platforms don't reference count
            for (size_type i = 0; i < ids.size(); i++) {
                (*platforms)[i] = Platform(ids[i]);
            }
        }
        return CL_SUCCESS;
    }
 
    static cl_int get(
        Platform * platform)
    {
        cl_int err;
        Platform default_platform = Platform::getDefault(&err);
        if (platform) {
            *platform = default_platform;
        }
        return err;
    }
 
    static Platform get(
        cl_int * errResult = nullptr)
    {
        cl_int err;
        Platform default_platform = Platform::getDefault(&err);
        if (errResult) {
            *errResult = err;
        }
        return default_platform;
    }    
    
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
    cl_int
    unloadCompiler()
    {
        return ::clUnloadPlatformCompiler(object_);
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
}; // class Platform
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
inline cl_int Device::createSubDevices(const cl_device_partition_property* properties,
                         vector<Device>* devices)
{
    cl_uint n = 0;
    cl_int err = clCreateSubDevices(object_, properties, 0, nullptr, &n);
    if (err != CL_SUCCESS)
    {
        return detail::errHandler(err, __CREATE_SUB_DEVICES_ERR);
    }
 
    vector<cl_device_id> ids(n);
    err = clCreateSubDevices(object_, properties, n, ids.data(), nullptr);
    if (err != CL_SUCCESS)
    {
        return detail::errHandler(err, __CREATE_SUB_DEVICES_ERR);
    }
 
    // Cannot trivially assign because we need to capture intermediates
    // with safe construction
    if (devices)
    {
        devices->resize(ids.size());
 
        // Assign to param, constructing with retain behaviour
        // to correctly capture each underlying CL object
        for (size_type i = 0; i < ids.size(); i++)
        {
            // We do not need to retain because this device is being created
            // by the runtime
            (*devices)[i] = Device(ids[i], false);
        }
    }
 
    return CL_SUCCESS;
}
#endif // defined (CL_HPP_TARGET_OPENCL_VERSION >= 120)
 
#if defined(cl_ext_device_fission)
inline cl_int Device::createSubDevices(const cl_device_partition_property_ext* properties,
                        vector<Device>* devices)
{
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
    cl::Device device(object_);
    cl_platform_id platform = device.getInfo<CL_DEVICE_PLATFORM>()();
    CL_HPP_INIT_CL_EXT_FCN_PTR_PLATFORM_(platform, clCreateSubDevicesEXT);
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
    CL_HPP_INIT_CL_EXT_FCN_PTR_(clCreateSubDevicesEXT);
#endif
 
    cl_uint n = 0;
    cl_int err = pfn_clCreateSubDevicesEXT(object_, properties, 0, nullptr, &n);
    if (err != CL_SUCCESS)
    {
        return detail::errHandler(err, __CREATE_SUB_DEVICES_ERR);
    }
 
    vector<cl_device_id> ids(n);
    err =
        pfn_clCreateSubDevicesEXT(object_, properties, n, ids.data(), nullptr);
    if (err != CL_SUCCESS)
    {
        return detail::errHandler(err, __CREATE_SUB_DEVICES_ERR);
    }
    // Cannot trivially assign because we need to capture intermediates
    // with safe construction
    if (devices)
    {
        devices->resize(ids.size());
 
        // Assign to param, constructing with retain behaviour
        // to correctly capture each underlying CL object
        for (size_type i = 0; i < ids.size(); i++)
        {
            // We do not need to retain because this device is being created
            // by the runtime
            (*devices)[i] = Device(ids[i], false);
        }
    }
 
    return CL_SUCCESS;
}
#endif // defined(cl_ext_device_fission)
 
CL_HPP_DEFINE_STATIC_MEMBER_ std::once_flag Platform::default_initialized_;
CL_HPP_DEFINE_STATIC_MEMBER_ Platform Platform::default_;
CL_HPP_DEFINE_STATIC_MEMBER_ cl_int Platform::default_error_ = CL_SUCCESS;
 
 
#if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
inline CL_API_PREFIX__VERSION_1_1_DEPRECATED cl_int
UnloadCompiler() CL_API_SUFFIX__VERSION_1_1_DEPRECATED;
inline cl_int
UnloadCompiler()
{
    return ::clUnloadCompiler();
}
#endif // #if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
 
 
#if defined(cl_ext_image_requirements_info)
enum ImageRequirementsInfoExt : cl_image_requirements_info_ext
{
    RowPitchAlign = CL_IMAGE_REQUIREMENTS_ROW_PITCH_ALIGNMENT_EXT,
    BaseAddAlign = CL_IMAGE_REQUIREMENTS_BASE_ADDRESS_ALIGNMENT_EXT,
    Size = CL_IMAGE_REQUIREMENTS_SIZE_EXT,
    MaxWidth = CL_IMAGE_REQUIREMENTS_MAX_WIDTH_EXT,
    MaxHeight = CL_IMAGE_REQUIREMENTS_MAX_HEIGHT_EXT,
    MaxDepth = CL_IMAGE_REQUIREMENTS_MAX_DEPTH_EXT,
    MaxArraySize = CL_IMAGE_REQUIREMENTS_MAX_ARRAY_SIZE_EXT,
#if defined(cl_ext_image_from_buffer)
    SlicePitchAlign = CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT,
#endif
};
 
#endif // cl_ext_image_requirements_info
 
 
class Context 
    : public detail::Wrapper<cl_context>
{
private:
    static std::once_flag default_initialized_;
    static Context default_;
    static cl_int default_error_;
 
    static void makeDefault() {
        /* Throwing an exception from a call_once invocation does not do
         * what we wish, so we catch it and save the error.
         */
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        try
#endif
        {
#if !defined(__APPLE__) && !defined(__MACOS)
            const Platform &p = Platform::getDefault();
            cl_platform_id defaultPlatform = p();
            cl_context_properties properties[3] = {
                CL_CONTEXT_PLATFORM, (cl_context_properties)defaultPlatform, 0
            };
#else // #if !defined(__APPLE__) && !defined(__MACOS)
            cl_context_properties *properties = nullptr;
#endif // #if !defined(__APPLE__) && !defined(__MACOS)
 
            default_ = Context(
                CL_DEVICE_TYPE_DEFAULT,
                properties,
                nullptr,
                nullptr,
                &default_error_);
        }
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        catch (cl::Error &e) {
            default_error_ = e.err();
        }
#endif
    }
 
 
    static void makeDefaultProvided(const Context &c) {
        default_ = c;
    }
 
#if defined(cl_ext_image_requirements_info)
    struct ImageRequirementsInfo {
 
        ImageRequirementsInfo(cl_mem_flags f, const cl_mem_properties* mem_properties, const ImageFormat* format, const cl_image_desc* desc)
        {
            flags = f;
            properties = mem_properties;
            image_format = format;
            image_desc = desc;
        }
 
        cl_mem_flags flags = 0;
        const cl_mem_properties* properties;
        const ImageFormat* image_format;
        const cl_image_desc* image_desc;
    };
 
    static cl_int getImageRequirementsInfoExtHelper(const Context &context,
        const ImageRequirementsInfo &info,
        cl_image_requirements_info_ext param_name,
        size_type param_value_size,
        void* param_value,
        size_type* param_value_size_ret)
    {
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        Device device = context.getInfo<CL_CONTEXT_DEVICES>().at(0);
        cl_platform_id platform = device.getInfo<CL_DEVICE_PLATFORM>()();
        CL_HPP_INIT_CL_EXT_FCN_PTR_PLATFORM_(platform, clGetImageRequirementsInfoEXT);
#else
        CL_HPP_INIT_CL_EXT_FCN_PTR_(clGetImageRequirementsInfoEXT);
#endif
 
        if (pfn_clGetImageRequirementsInfoEXT == nullptr) {
            return detail::errHandler(CL_INVALID_OPERATION, __GET_IMAGE_REQUIREMENT_INFO_EXT_ERR);
        }
 
        return detail::errHandler(
            pfn_clGetImageRequirementsInfoEXT(context(), info.properties,
                info.flags, info.image_format, info.image_desc, param_name,
                param_value_size, param_value, param_value_size_ret),
            __GET_IMAGE_REQUIREMENT_INFO_EXT_ERR);
    }
#endif // cl_ext_image_requirements_info
    
public:
#ifdef CL_HPP_UNIT_TEST_ENABLE
    static void unitTestClearDefault() {
        default_ = Context();
    }
#endif // #ifdef CL_HPP_UNIT_TEST_ENABLE
 
    Context(
        const vector<Device>& devices,
        const cl_context_properties* properties = nullptr,
        void (CL_CALLBACK * notifyFptr)(
            const char *,
            const void *,
            size_type,
            void *) = nullptr,
        void* data = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        size_type numDevices = devices.size();
        vector<cl_device_id> deviceIDs(numDevices);
 
        for( size_type deviceIndex = 0; deviceIndex < numDevices; ++deviceIndex ) {
            deviceIDs[deviceIndex] = (devices[deviceIndex])();
        }
 
        object_ = ::clCreateContext(
            properties, (cl_uint) numDevices,
            deviceIDs.data(),
            notifyFptr, data, &error);
 
        detail::errHandler(error, __CREATE_CONTEXT_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Context(
        const Device& device,
        const cl_context_properties* properties = nullptr,
        void (CL_CALLBACK * notifyFptr)(
            const char *,
            const void *,
            size_type,
            void *) = nullptr,
        void* data = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_device_id deviceID = device();
 
        object_ = ::clCreateContext(
            properties, 1,
            &deviceID,
            notifyFptr, data, &error);
 
        detail::errHandler(error, __CREATE_CONTEXT_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
    
    Context(
        cl_device_type type,
        const cl_context_properties* properties = nullptr,
        void (CL_CALLBACK * notifyFptr)(
            const char *,
            const void *,
            size_type,
            void *) = nullptr,
        void* data = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
#if !defined(__APPLE__) && !defined(__MACOS)
        cl_context_properties prop[4] = {CL_CONTEXT_PLATFORM, 0, 0, 0 };
 
        if (properties == nullptr) {
            // Get a valid platform ID as we cannot send in a blank one
            vector<Platform> platforms;
            error = Platform::get(&platforms);
            if (error != CL_SUCCESS) {
                detail::errHandler(error, __CREATE_CONTEXT_FROM_TYPE_ERR);
                if (err != nullptr) {
                    *err = error;
                }
                return;
            }
 
            // Check the platforms we found for a device of our specified type
            cl_context_properties platform_id = 0;
            for (unsigned int i = 0; i < platforms.size(); i++) {
 
                vector<Device> devices;
 
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
                try {
#endif
 
                    error = platforms[i].getDevices(type, &devices);
 
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
                } catch (cl::Error& e) {
                    error = e.err();
                }
    // Catch if exceptions are enabled as we don't want to exit if first platform has no devices of type
    // We do error checking next anyway, and can throw there if needed
#endif
 
                // Only squash CL_SUCCESS and CL_DEVICE_NOT_FOUND
                if (error != CL_SUCCESS && error != CL_DEVICE_NOT_FOUND) {
                    detail::errHandler(error, __CREATE_CONTEXT_FROM_TYPE_ERR);
                    if (err != nullptr) {
                        *err = error;
                    }
                }
 
                if (devices.size() > 0) {
                    platform_id = (cl_context_properties)platforms[i]();
                    break;
                }
            }
 
            if (platform_id == 0) {
                detail::errHandler(CL_DEVICE_NOT_FOUND, __CREATE_CONTEXT_FROM_TYPE_ERR);
                if (err != nullptr) {
                    *err = CL_DEVICE_NOT_FOUND;
                }
                return;
            }
 
            prop[1] = platform_id;
            properties = &prop[0];
        }
#endif
        object_ = ::clCreateContextFromType(
            properties, type, notifyFptr, data, &error);
 
        detail::errHandler(error, __CREATE_CONTEXT_FROM_TYPE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
 
    static Context getDefault(cl_int * err = nullptr) 
    {
        std::call_once(default_initialized_, makeDefault);
        detail::errHandler(default_error_);
        if (err != nullptr) {
            *err = default_error_;
        }
        return default_;
    }
 
    static Context setDefault(const Context &default_context)
    {
        std::call_once(default_initialized_, makeDefaultProvided, std::cref(default_context));
        detail::errHandler(default_error_);
        return default_;
    }
 
    Context() : detail::Wrapper<cl_type>() { }
 
    explicit Context(const cl_context& context, bool retainObject = false) : 
        detail::Wrapper<cl_type>(context, retainObject) { }
 
    Context& operator = (const cl_context& rhs)
    {
        detail::Wrapper<cl_type>::operator=(rhs);
        return *this;
    }
 
    template <typename T>
    cl_int getInfo(cl_context_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetContextInfo, object_, name, param),
            __GET_CONTEXT_INFO_ERR);
    }
 
    template <cl_context_info name> typename
    detail::param_traits<detail::cl_context_info, name>::param_type
    getInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_context_info, name>::param_type param;
        cl_int result = getInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
    cl_int getSupportedImageFormats(
        cl_mem_flags flags,
        cl_mem_object_type type,
        vector<ImageFormat>* formats) const
    {
        cl_uint numEntries;
        
        if (!formats) {
            return CL_SUCCESS;
        }
 
        cl_int err = ::clGetSupportedImageFormats(
           object_, 
           flags,
           type, 
           0, 
           nullptr, 
           &numEntries);
        if (err != CL_SUCCESS) {
            return detail::errHandler(err, __GET_SUPPORTED_IMAGE_FORMATS_ERR);
        }
 
        if (numEntries > 0) {
            vector<ImageFormat> value(numEntries);
            err = ::clGetSupportedImageFormats(
                object_,
                flags,
                type,
                numEntries,
                (cl_image_format*)value.data(),
                nullptr);
            if (err != CL_SUCCESS) {
                return detail::errHandler(err, __GET_SUPPORTED_IMAGE_FORMATS_ERR);
            }
 
            formats->assign(value.begin(), value.end());
        }
        else {
            // If no values are being returned, ensure an empty vector comes back
            formats->clear();
        }
 
        return CL_SUCCESS;
    }
 
#if defined(cl_ext_image_requirements_info)
    template <typename T>
    cl_int getImageRequirementsInfoExt(cl_image_requirements_info_ext name,
        T* param,
        cl_mem_flags flags = 0,
        const cl_mem_properties* properties = nullptr,
        const ImageFormat* image_format = nullptr,
        const cl_image_desc* image_desc = nullptr) const
    {
        ImageRequirementsInfo imageInfo = {flags, properties, image_format, image_desc};
 
        return detail::errHandler(
            detail::getInfo(
                Context::getImageRequirementsInfoExtHelper, *this, imageInfo, name, param),
                __GET_IMAGE_REQUIREMENT_INFO_EXT_ERR);
    }
 
    template <cl_image_requirements_info_ext type> typename
    detail::param_traits<detail::cl_image_requirements_info_ext, type>::param_type
        getImageRequirementsInfoExt(cl_mem_flags flags = 0,
            const cl_mem_properties* properties = nullptr,
            const ImageFormat* image_format = nullptr,
            const cl_image_desc* image_desc = nullptr,
            cl_int* err = nullptr) const
    {
        typename detail::param_traits<
        detail::cl_image_requirements_info_ext, type>::param_type param;
        cl_int result = getImageRequirementsInfoExt(type, &param, flags, properties, image_format, image_desc);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
#endif // cl_ext_image_requirements_info
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    cl_int setDestructorCallback(
        void (CL_CALLBACK * pfn_notify)(cl_context, void *),
        void * user_data = nullptr)
    {
        return detail::errHandler(
            ::clSetContextDestructorCallback(
                object_,
                pfn_notify,
                user_data),
                __SET_CONTEXT_DESCTRUCTOR_CALLBACK_ERR);
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 300
};
 
inline void Device::makeDefault()
{
    /* Throwing an exception from a call_once invocation does not do
    * what we wish, so we catch it and save the error.
    */
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
    try
#endif
    {
        cl_int error = 0;
 
        Context context = Context::getDefault(&error);
        detail::errHandler(error, __CREATE_CONTEXT_ERR);
 
        if (error != CL_SUCCESS) {
            default_error_ = error;
        }
        else {
            default_ = context.getInfo<CL_CONTEXT_DEVICES>()[0];
            default_error_ = CL_SUCCESS;
        }
    }
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
    catch (cl::Error &e) {
        default_error_ = e.err();
    }
#endif
}
 
CL_HPP_DEFINE_STATIC_MEMBER_ std::once_flag Context::default_initialized_;
CL_HPP_DEFINE_STATIC_MEMBER_ Context Context::default_;
CL_HPP_DEFINE_STATIC_MEMBER_ cl_int Context::default_error_ = CL_SUCCESS;
 
class Event : public detail::Wrapper<cl_event>
{
public:
    Event() : detail::Wrapper<cl_type>() { }
 
    explicit Event(const cl_event& event, bool retainObject = false) : 
        detail::Wrapper<cl_type>(event, retainObject) { }
 
    Event& operator = (const cl_event& rhs)
    {
        detail::Wrapper<cl_type>::operator=(rhs);
        return *this;
    }
 
    template <typename T>
    cl_int getInfo(cl_event_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetEventInfo, object_, name, param),
            __GET_EVENT_INFO_ERR);
    }
 
    template <cl_event_info name> typename
    detail::param_traits<detail::cl_event_info, name>::param_type
    getInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_event_info, name>::param_type param;
        cl_int result = getInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
    template <typename T>
    cl_int getProfilingInfo(cl_profiling_info name, T* param) const
    {
        return detail::errHandler(detail::getInfo(
            &::clGetEventProfilingInfo, object_, name, param),
            __GET_EVENT_PROFILE_INFO_ERR);
    }
 
    template <cl_profiling_info name> typename
    detail::param_traits<detail::cl_profiling_info, name>::param_type
    getProfilingInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_profiling_info, name>::param_type param;
        cl_int result = getProfilingInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
    cl_int wait() const
    {
        return detail::errHandler(
            ::clWaitForEvents(1, &object_),
            __WAIT_FOR_EVENTS_ERR);
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 110
    cl_int setCallback(
        cl_int type,
        void (CL_CALLBACK * pfn_notify)(cl_event, cl_int, void *),
        void * user_data = nullptr)
    {
        return detail::errHandler(
            ::clSetEventCallback(
                object_,
                type,
                pfn_notify,
                user_data), 
            __SET_EVENT_CALLBACK_ERR);
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 110
 
    static cl_int
    waitForEvents(const vector<Event>& events)
    {
        static_assert(sizeof(cl::Event) == sizeof(cl_event),
        "Size of cl::Event must be equal to size of cl_event");
 
        return detail::errHandler(
            ::clWaitForEvents(
                (cl_uint) events.size(), (events.size() > 0) ? (cl_event*)&events.front() : nullptr),
            __WAIT_FOR_EVENTS_ERR);
    }
};
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 110
class UserEvent : public Event
{
public:
    UserEvent(
        const Context& context,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateUserEvent(
            context(),
            &error);
 
        detail::errHandler(error, __CREATE_USER_EVENT_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    UserEvent() : Event() { }
 
    cl_int setStatus(cl_int status)
    {
        return detail::errHandler(
            ::clSetUserEventStatus(object_,status), 
            __SET_USER_EVENT_STATUS_ERR);
    }
};
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 110
 
inline static cl_int
WaitForEvents(const vector<Event>& events)
{
    return detail::errHandler(
        ::clWaitForEvents(
            (cl_uint) events.size(), (events.size() > 0) ? (cl_event*)&events.front() : nullptr),
        __WAIT_FOR_EVENTS_ERR);
}
 
class Memory : public detail::Wrapper<cl_mem>
{
public:
    Memory() : detail::Wrapper<cl_type>() { }
 
    explicit Memory(const cl_mem& memory, bool retainObject) :
        detail::Wrapper<cl_type>(memory, retainObject) { }
 
    Memory& operator = (const cl_mem& rhs)
    {
        detail::Wrapper<cl_type>::operator=(rhs);
        return *this;
    }
 
    template <typename T>
    cl_int getInfo(cl_mem_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetMemObjectInfo, object_, name, param),
            __GET_MEM_OBJECT_INFO_ERR);
    }
 
    template <cl_mem_info name> typename
    detail::param_traits<detail::cl_mem_info, name>::param_type
    getInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_mem_info, name>::param_type param;
        cl_int result = getInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 110
    cl_int setDestructorCallback(
        void (CL_CALLBACK * pfn_notify)(cl_mem, void *),
        void * user_data = nullptr)
    {
        return detail::errHandler(
            ::clSetMemObjectDestructorCallback(
                object_,
                pfn_notify,
                user_data), 
            __SET_MEM_OBJECT_DESTRUCTOR_CALLBACK_ERR);
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 110
 
};
 
// Pre-declare copy functions
class Buffer;
template< typename IteratorType >
cl_int copy( IteratorType startIterator, IteratorType endIterator, cl::Buffer &buffer );
template< typename IteratorType >
cl_int copy( const cl::Buffer &buffer, IteratorType startIterator, IteratorType endIterator );
template< typename IteratorType >
cl_int copy( const CommandQueue &queue, IteratorType startIterator, IteratorType endIterator, cl::Buffer &buffer );
template< typename IteratorType >
cl_int copy( const CommandQueue &queue, const cl::Buffer &buffer, IteratorType startIterator, IteratorType endIterator );
 
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
namespace detail
{
    class SVMTraitNull
    {
    public:
        static cl_svm_mem_flags getSVMMemFlags()
        {
            return 0;
        }
    };
} // namespace detail
 
template<class Trait = detail::SVMTraitNull>
class SVMTraitReadWrite
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return CL_MEM_READ_WRITE |
            Trait::getSVMMemFlags();
    }
};
 
template<class Trait = detail::SVMTraitNull>
class SVMTraitReadOnly
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return CL_MEM_READ_ONLY |
            Trait::getSVMMemFlags();
    }
};
 
template<class Trait = detail::SVMTraitNull>
class SVMTraitWriteOnly
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return CL_MEM_WRITE_ONLY |
            Trait::getSVMMemFlags();
    }
};
 
template<class Trait = SVMTraitReadWrite<>>
class SVMTraitCoarse
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return Trait::getSVMMemFlags();
    }
};
 
template<class Trait = SVMTraitReadWrite<>>
class SVMTraitFine
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return CL_MEM_SVM_FINE_GRAIN_BUFFER |
            Trait::getSVMMemFlags();
    }
};
 
template<class Trait = SVMTraitReadWrite<>>
class SVMTraitAtomic
{
public:
    static cl_svm_mem_flags getSVMMemFlags()
    {
        return
            CL_MEM_SVM_FINE_GRAIN_BUFFER |
            CL_MEM_SVM_ATOMICS |
            Trait::getSVMMemFlags();
    }
};
 
// Pre-declare SVM map function
template<typename T>
inline cl_int enqueueMapSVM(
    T* ptr,
    cl_bool blocking,
    cl_map_flags flags,
    size_type size,
    const vector<Event>* events = nullptr,
    Event* event = nullptr);
 
template<typename T, class SVMTrait>
class SVMAllocator {
private:
    Context context_;
 
public:
    typedef T value_type;
    typedef value_type* pointer;
    typedef const value_type* const_pointer;
    typedef value_type& reference;
    typedef const value_type& const_reference;
    typedef std::size_t size_type;
    typedef std::ptrdiff_t difference_type;
 
    template<typename U>
    struct rebind
    {
        typedef SVMAllocator<U, SVMTrait> other;
    };
 
    template<typename U, typename V>
    friend class SVMAllocator;
 
    SVMAllocator() :
        context_(Context::getDefault())
    {
    }
 
    explicit SVMAllocator(cl::Context context) :
        context_(context)
    {
    }
 
 
    SVMAllocator(const SVMAllocator &other) :
        context_(other.context_)
    {
    }
 
    template<typename U>
    SVMAllocator(const SVMAllocator<U, SVMTrait> &other) :
        context_(other.context_)
    {
    }
 
    ~SVMAllocator()
    {
    }
 
    pointer address(reference r) noexcept
    {
        return std::addressof(r);
    }
 
    const_pointer address(const_reference r) noexcept
    {
        return std::addressof(r);
    }
 
    pointer allocate(
        size_type size,
        typename cl::SVMAllocator<void, SVMTrait>::const_pointer = 0,
        bool map = true)
    {
        // Allocate memory with default alignment matching the size of the type
        void* voidPointer =
            clSVMAlloc(
            context_(),
            SVMTrait::getSVMMemFlags(),
            size*sizeof(T),
            0);
        pointer retValue = reinterpret_cast<pointer>(
            voidPointer);
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        if (!retValue) {
            std::bad_alloc excep;
            throw excep;
        }
#endif // #if defined(CL_HPP_ENABLE_EXCEPTIONS)
 
        // If allocation was coarse-grained then map it
        if (map && !(SVMTrait::getSVMMemFlags() & CL_MEM_SVM_FINE_GRAIN_BUFFER)) {
            cl_int err = enqueueMapSVM(retValue, CL_TRUE, CL_MAP_READ | CL_MAP_WRITE, size*sizeof(T));
            if (err != CL_SUCCESS) {
                clSVMFree(context_(), retValue);
                retValue = nullptr;
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
                std::bad_alloc excep;
                throw excep;
#endif
            }
        }
 
        // If exceptions disabled, return null pointer from allocator
        return retValue;
    }
 
    void deallocate(pointer p, size_type)
    {
        clSVMFree(context_(), p);
    }
 
    size_type max_size() const noexcept
    {
        size_type maxSize = std::numeric_limits<size_type>::max() / sizeof(T);
 
        for (const Device &d : context_.getInfo<CL_CONTEXT_DEVICES>()) {
            maxSize = std::min(
                maxSize, 
                static_cast<size_type>(d.getInfo<CL_DEVICE_MAX_MEM_ALLOC_SIZE>()));
        }
 
        return maxSize;
    }
 
    template< class U, class... Args >
    void construct(U* p, Args&&... args)
    {
        new(p)T(args...);
    }
 
    template< class U >
    void destroy(U* p)
    {
        p->~U();
    }
 
    inline bool operator==(SVMAllocator const& rhs)
    {
        return (context_==rhs.context_);
    }
 
    inline bool operator!=(SVMAllocator const& a)
    {
        return !operator==(a);
    }
}; // class SVMAllocator        return cl::pointer<T>(tmp, detail::Deleter<T, Alloc>{alloc, copies});
 
 
template<class SVMTrait>
class SVMAllocator<void, SVMTrait> {
public:
    typedef void value_type;
    typedef value_type* pointer;
    typedef const value_type* const_pointer;
 
    template<typename U>
    struct rebind
    {
        typedef SVMAllocator<U, SVMTrait> other;
    };
 
    template<typename U, typename V>
    friend class SVMAllocator;
};
 
#if !defined(CL_HPP_NO_STD_UNIQUE_PTR)
namespace detail
{
    template<class Alloc>
    class Deleter {
    private:
        Alloc alloc_;
        size_type copies_;
 
    public:
        typedef typename std::allocator_traits<Alloc>::pointer pointer;
 
        Deleter(const Alloc &alloc, size_type copies) : alloc_{ alloc }, copies_{ copies }
        {
        }
 
        void operator()(pointer ptr) const {
            Alloc tmpAlloc{ alloc_ };
            std::allocator_traits<Alloc>::destroy(tmpAlloc, std::addressof(*ptr));
            std::allocator_traits<Alloc>::deallocate(tmpAlloc, ptr, copies_);
        }
    };
} // namespace detail
 
template <class T, class Alloc, class... Args>
cl::pointer<T, detail::Deleter<Alloc>> allocate_pointer(const Alloc &alloc_, Args&&... args)
{
    Alloc alloc(alloc_);
    static const size_type copies = 1;
 
    // Ensure that creation of the management block and the
    // object are dealt with separately such that we only provide a deleter
 
    T* tmp = std::allocator_traits<Alloc>::allocate(alloc, copies);
    if (!tmp) {
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
        std::bad_alloc excep;
        throw excep;
#else
        return nullptr;
#endif
    }
 
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
    try
#endif
    {
        std::allocator_traits<Alloc>::construct(
            alloc,
            std::addressof(*tmp),
            std::forward<Args>(args)...);
 
        return cl::pointer<T, detail::Deleter<Alloc>>(tmp, detail::Deleter<Alloc>{alloc, copies});
    }
#if defined(CL_HPP_ENABLE_EXCEPTIONS)
    catch (std::bad_alloc&)
    {
        std::allocator_traits<Alloc>::deallocate(alloc, tmp, copies);
        throw;
    }
#endif
}
 
template< class T, class SVMTrait, class... Args >
cl::pointer<T, detail::Deleter<SVMAllocator<T, SVMTrait>>> allocate_svm(Args... args)
{
    SVMAllocator<T, SVMTrait> alloc;
    return cl::allocate_pointer<T>(alloc, args...);
}
 
template< class T, class SVMTrait, class... Args >
cl::pointer<T, detail::Deleter<SVMAllocator<T, SVMTrait>>> allocate_svm(const cl::Context &c, Args... args)
{
    SVMAllocator<T, SVMTrait> alloc(c);
    return cl::allocate_pointer<T>(alloc, args...);
}
#endif // #if !defined(CL_HPP_NO_STD_UNIQUE_PTR)
 
template < class T >
using coarse_svm_vector = vector<T, cl::SVMAllocator<int, cl::SVMTraitCoarse<>>>;
 
template < class T >
using fine_svm_vector = vector<T, cl::SVMAllocator<int, cl::SVMTraitFine<>>>;
 
template < class T >
using atomic_svm_vector = vector<T, cl::SVMAllocator<int, cl::SVMTraitAtomic<>>>;
 
#endif // #if CL_HPP_TARGET_OPENCL_VERSION >= 200
 
 
class Buffer : public Memory
{
public:
 
    Buffer(
        const Context& context,
        cl_mem_flags flags,
        size_type size,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateBuffer(context(), flags, size, host_ptr, &error);
 
        detail::errHandler(error, __CREATE_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Buffer(
        const Context& context,
        const vector<cl_mem_properties>& properties,
        cl_mem_flags flags,
        size_type size,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        if (properties.empty()) {
            object_ = ::clCreateBufferWithProperties(context(), nullptr, flags,
                                                     size, host_ptr, &error);
        }
        else {
            object_ = ::clCreateBufferWithProperties(
                context(), properties.data(), flags, size, host_ptr, &error);
        }
 
        detail::errHandler(error, __CREATE_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
#endif
 
    Buffer(
        cl_mem_flags flags,
        size_type size,
        void* host_ptr = nullptr,
        cl_int* err = nullptr) : Buffer(Context::getDefault(err), flags, size, host_ptr, err) { }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Buffer(
        const vector<cl_mem_properties>& properties,
        cl_mem_flags flags,
        size_type size,
        void* host_ptr = nullptr,
        cl_int* err = nullptr) : Buffer(Context::getDefault(err), properties, flags, size, host_ptr, err) { }
#endif
 
    template< typename IteratorType >
    Buffer(
        IteratorType startIterator,
        IteratorType endIterator,
        bool readOnly,
        bool useHostPtr = false,
        cl_int* err = nullptr)
    {
        typedef typename std::iterator_traits<IteratorType>::value_type DataType;
        cl_int error;
 
        cl_mem_flags flags = 0;
        if( readOnly ) {
            flags |= CL_MEM_READ_ONLY;
        }
        else {
            flags |= CL_MEM_READ_WRITE;
        }
        if( useHostPtr ) {
            flags |= CL_MEM_USE_HOST_PTR;
        }
        
        size_type size = sizeof(DataType)*(endIterator - startIterator);
 
        Context context = Context::getDefault(err);
 
        if( useHostPtr ) {
            object_ = ::clCreateBuffer(context(), flags, size, const_cast<DataType*>(&*startIterator), &error);
        } else {
            object_ = ::clCreateBuffer(context(), flags, size, 0, &error);
        }
 
        detail::errHandler(error, __CREATE_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
 
        if( !useHostPtr ) {
            error = cl::copy(startIterator, endIterator, *this);
            detail::errHandler(error, __CREATE_BUFFER_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
    }
 
    template< typename IteratorType >
    Buffer(const Context &context, IteratorType startIterator, IteratorType endIterator,
        bool readOnly, bool useHostPtr = false, cl_int* err = nullptr);
    
    template< typename IteratorType >
    Buffer(const CommandQueue &queue, IteratorType startIterator, IteratorType endIterator,
        bool readOnly, bool useHostPtr = false, cl_int* err = nullptr);
 
    Buffer() : Memory() { }
 
    explicit Buffer(const cl_mem& buffer, bool retainObject = false) :
        Memory(buffer, retainObject) { }
 
    Buffer& operator = (const cl_mem& rhs)
    {
        Memory::operator=(rhs);
        return *this;
    }
 
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 110
    Buffer createSubBuffer(
        cl_mem_flags flags,
        cl_buffer_create_type buffer_create_type,
        const void * buffer_create_info,
        cl_int * err = nullptr)
    {
        Buffer result;
        cl_int error;
        result.object_ = ::clCreateSubBuffer(
            object_, 
            flags, 
            buffer_create_type, 
            buffer_create_info, 
            &error);
 
        detail::errHandler(error, __CREATE_SUBBUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
 
        return result;
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 110
};
 
#if defined (CL_HPP_USE_DX_INTEROP)
class BufferD3D10 : public Buffer
{
public:
   
 
    BufferD3D10(
        const Context& context,
        cl_mem_flags flags,
        ID3D10Buffer* bufobj,
        cl_int * err = nullptr) : pfn_clCreateFromD3D10BufferKHR(nullptr)
    {
        typedef CL_API_ENTRY cl_mem (CL_API_CALL *PFN_clCreateFromD3D10BufferKHR)(
            cl_context context, cl_mem_flags flags, ID3D10Buffer*  buffer,
            cl_int* errcode_ret);
        PFN_clCreateFromD3D10BufferKHR pfn_clCreateFromD3D10BufferKHR;
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        vector<cl_context_properties> props = context.getInfo<CL_CONTEXT_PROPERTIES>();
        cl_platform platform = nullptr;
        for( int i = 0; i < props.size(); ++i ) {
            if( props[i] == CL_CONTEXT_PLATFORM ) {
                platform = props[i+1];
            }
        }
        CL_HPP_INIT_CL_EXT_FCN_PTR_PLATFORM_(platform, clCreateFromD3D10BufferKHR);
#endif
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
        CL_HPP_INIT_CL_EXT_FCN_PTR_(clCreateFromD3D10BufferKHR);
#endif
 
        cl_int error;
        object_ = pfn_clCreateFromD3D10BufferKHR(
            context(),
            flags,
            bufobj,
            &error);
 
        // TODO: This should really have a D3D10 rerror code!
        detail::errHandler(error, __CREATE_GL_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    BufferD3D10() : Buffer() { }
 
    explicit BufferD3D10(const cl_mem& buffer, bool retainObject = false) : 
        Buffer(buffer, retainObject) { }
 
    BufferD3D10& operator = (const cl_mem& rhs)
    {
        Buffer::operator=(rhs);
        return *this;
    }
};
#endif
 
class BufferGL : public Buffer
{
public:
    BufferGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLuint bufobj,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateFromGLBuffer(
            context(),
            flags,
            bufobj,
            &error);
 
        detail::errHandler(error, __CREATE_GL_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    BufferGL() : Buffer() { }
 
    explicit BufferGL(const cl_mem& buffer, bool retainObject = false) :
        Buffer(buffer, retainObject) { }
 
    BufferGL& operator = (const cl_mem& rhs)
    {
        Buffer::operator=(rhs);
        return *this;
    }
 
 
    cl_int getObjectInfo(
        cl_gl_object_type *type,
        cl_GLuint * gl_object_name)
    {
        return detail::errHandler(
            ::clGetGLObjectInfo(object_,type,gl_object_name),
            __GET_GL_OBJECT_INFO_ERR);
    }
};
 
class BufferRenderGL : public Buffer
{
public:
    BufferRenderGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLuint bufobj,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateFromGLRenderbuffer(
            context(),
            flags,
            bufobj,
            &error);
 
        detail::errHandler(error, __CREATE_GL_RENDER_BUFFER_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    BufferRenderGL() : Buffer() { }
 
    explicit BufferRenderGL(const cl_mem& buffer, bool retainObject = false) :
        Buffer(buffer, retainObject) { }
 
    BufferRenderGL& operator = (const cl_mem& rhs)
    {
        Buffer::operator=(rhs);
        return *this;
    }
 
 
    cl_int getObjectInfo(
        cl_gl_object_type *type,
        cl_GLuint * gl_object_name)
    {
        return detail::errHandler(
            ::clGetGLObjectInfo(object_,type,gl_object_name),
            __GET_GL_OBJECT_INFO_ERR);
    }
};
 
class Image : public Memory
{
protected:
    Image() : Memory() { }
 
    explicit Image(const cl_mem& image, bool retainObject = false) :
        Memory(image, retainObject) { }
 
    Image& operator = (const cl_mem& rhs)
    {
        Memory::operator=(rhs);
        return *this;
    }
 
 
public:
    template <typename T>
    cl_int getImageInfo(cl_image_info name, T* param) const
    {
        return detail::errHandler(
            detail::getInfo(&::clGetImageInfo, object_, name, param),
            __GET_IMAGE_INFO_ERR);
    }
    
    template <cl_image_info name> typename
    detail::param_traits<detail::cl_image_info, name>::param_type
    getImageInfo(cl_int* err = nullptr) const
    {
        typename detail::param_traits<
            detail::cl_image_info, name>::param_type param;
        cl_int result = getImageInfo(name, &param);
        if (err != nullptr) {
            *err = result;
        }
        return param;
    }
};
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
class Image1D : public Image
{
public:
    Image1D(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type width,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE1D;
        desc.image_width = width;
 
        object_ = ::clCreateImage(
            context(), 
            flags, 
            &format, 
            &desc, 
            host_ptr, 
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Image1D() { }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image1D(const Context &context, const vector<cl_mem_properties> &properties,
            cl_mem_flags flags, ImageFormat format, size_type width,
            void *host_ptr = nullptr, cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE1D;
      desc.image_width = width;
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, host_ptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, host_ptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    explicit Image1D(const cl_mem& image1D, bool retainObject = false) :
        Image(image1D, retainObject) { }
 
    Image1D& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
 
 
};
 
class Image1DBuffer : public Image
{
public:
    Image1DBuffer(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type width,
        const Buffer &buffer,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER;
        desc.image_width = width;
        desc.buffer = buffer();
 
        object_ = ::clCreateImage(
            context(), 
            flags, 
            &format, 
            &desc, 
            nullptr, 
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Image1DBuffer() { }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image1DBuffer(const Context &context,
                  const vector<cl_mem_properties> &properties,
                  cl_mem_flags flags, ImageFormat format, size_type width,
                  const Buffer &buffer, cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER;
      desc.image_width = width;
      desc.buffer = buffer();
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, nullptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, nullptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    explicit Image1DBuffer(const cl_mem& image1D, bool retainObject = false) :
        Image(image1D, retainObject) { }
 
    Image1DBuffer& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
};
 
class Image1DArray : public Image
{
public:
    Image1DArray(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type arraySize,
        size_type width,
        size_type rowPitch,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE1D_ARRAY;
        desc.image_width = width;
        desc.image_array_size = arraySize;
        desc.image_row_pitch = rowPitch;
 
        object_ = ::clCreateImage(
            context(), 
            flags, 
            &format, 
            &desc, 
            host_ptr, 
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Image1DArray() { }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image1DArray(const Context &context,
                 const vector<cl_mem_properties> &properties,
                 cl_mem_flags flags, ImageFormat format, size_type arraySize,
                 size_type width, size_type rowPitch = 0,
                 void *host_ptr = nullptr, cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE1D_ARRAY;
      desc.image_width = width;
      desc.image_array_size = arraySize;
      desc.image_row_pitch = rowPitch;
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, host_ptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, host_ptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    explicit Image1DArray(const cl_mem& imageArray, bool retainObject = false) :
        Image(imageArray, retainObject) { }
 
 
    Image1DArray& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
 
 
};
#endif // #if CL_HPP_TARGET_OPENCL_VERSION >= 120
 
 
class Image2D : public Image
{
public:
    Image2D(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type width,
        size_type height,
        size_type row_pitch = 0,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
        bool useCreateImage;
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 120
        // Run-time decision based on the actual platform
        {
            cl_uint version = detail::getContextPlatformVersion(context());
            useCreateImage = (version >= 0x10002); // OpenCL 1.2 or above
        }
#elif CL_HPP_TARGET_OPENCL_VERSION >= 120
        useCreateImage = true;
#else
        useCreateImage = false;
#endif
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        if (useCreateImage)
        {
            cl_image_desc desc = {};
            desc.image_type = CL_MEM_OBJECT_IMAGE2D;
            desc.image_width = width;
            desc.image_height = height;
            desc.image_row_pitch = row_pitch;
 
            object_ = ::clCreateImage(
                context(),
                flags,
                &format,
                &desc,
                host_ptr,
                &error);
 
            detail::errHandler(error, __CREATE_IMAGE_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
        if (!useCreateImage)
        {
            object_ = ::clCreateImage2D(
                context(), flags,&format, width, height, row_pitch, host_ptr, &error);
 
            detail::errHandler(error, __CREATE_IMAGE2D_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
#endif // CL_HPP_MINIMUM_OPENCL_VERSION < 120
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
    Image2D(
        const Context& context,
        ImageFormat format,
        const Buffer &sourceBuffer,
        size_type width,
        size_type height,
        size_type row_pitch = 0,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE2D;
        desc.image_width = width;
        desc.image_height = height;
        desc.image_row_pitch = row_pitch;
        desc.buffer = sourceBuffer();
 
        object_ = ::clCreateImage(
            context(),
            0, // flags inherited from buffer
            &format,
            &desc,
            nullptr,
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
    Image2D(
        const Context& context,
        cl_channel_order order,
        const Image &sourceImage,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        // Descriptor fields have to match source image
        size_type sourceWidth = 
            sourceImage.getImageInfo<CL_IMAGE_WIDTH>();
        size_type sourceHeight = 
            sourceImage.getImageInfo<CL_IMAGE_HEIGHT>();
        size_type sourceRowPitch =
            sourceImage.getImageInfo<CL_IMAGE_ROW_PITCH>();
        cl_uint sourceNumMIPLevels =
            sourceImage.getImageInfo<CL_IMAGE_NUM_MIP_LEVELS>();
        cl_uint sourceNumSamples =
            sourceImage.getImageInfo<CL_IMAGE_NUM_SAMPLES>();
        cl_image_format sourceFormat =
            sourceImage.getImageInfo<CL_IMAGE_FORMAT>();
 
        // Update only the channel order. 
        // Channel format inherited from source.
        sourceFormat.image_channel_order = order;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE2D;
        desc.image_width = sourceWidth;
        desc.image_height = sourceHeight;
        desc.image_row_pitch = sourceRowPitch;
        desc.num_mip_levels = sourceNumMIPLevels;
        desc.num_samples = sourceNumSamples;
        desc.buffer = sourceImage();
 
        object_ = ::clCreateImage(
            context(),
            0, // flags should be inherited from mem_object
            &sourceFormat,
            &desc,
            nullptr,
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 200
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image2D(const Context &context, const vector<cl_mem_properties> &properties,
            cl_mem_flags flags, ImageFormat format, size_type width,
            size_type height, size_type row_pitch = 0, void *host_ptr = nullptr,
            cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE2D;
      desc.image_width = width;
      desc.image_height = height;
      desc.image_row_pitch = row_pitch;
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, host_ptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, host_ptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
 
    Image2D(const Context &context, const vector<cl_mem_properties> &properties,
            cl_mem_flags flags, ImageFormat format, const Buffer &buffer,
            size_type width, size_type height, size_type row_pitch = 0,
            cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE2D;
      desc.image_width = width;
      desc.image_height = height;
      desc.image_row_pitch = row_pitch;
      desc.buffer = buffer();
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, nullptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, nullptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
 
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    Image2D() { }
 
    explicit Image2D(const cl_mem& image2D, bool retainObject = false) :
        Image(image2D, retainObject) { }
 
    Image2D& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
};
 
 
#if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
class CL_API_PREFIX__VERSION_1_1_DEPRECATED Image2DGL : public Image2D 
{
public:
    Image2DGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLenum target,
        cl_GLint  miplevel,
        cl_GLuint texobj,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateFromGLTexture2D(
            context(),
            flags,
            target,
            miplevel,
            texobj,
            &error);
 
        detail::errHandler(error, __CREATE_GL_TEXTURE_2D_ERR);
        if (err != nullptr) {
            *err = error;
        }
 
    }
    
    Image2DGL() : Image2D() { }
 
    explicit Image2DGL(const cl_mem& image, bool retainObject = false) : 
        Image2D(image, retainObject) { }
 
    Image2DGL& operator = (const cl_mem& rhs)
    {
        Image2D::operator=(rhs);
        return *this;
    }
 
 
 
} CL_API_SUFFIX__VERSION_1_1_DEPRECATED;
#endif // CL_USE_DEPRECATED_OPENCL_1_1_APIS
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
class Image2DArray : public Image
{
public:
    Image2DArray(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type arraySize,
        size_type width,
        size_type height,
        size_type rowPitch,
        size_type slicePitch,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_image_desc desc = {};
        desc.image_type = CL_MEM_OBJECT_IMAGE2D_ARRAY;
        desc.image_width = width;
        desc.image_height = height;
        desc.image_array_size = arraySize;
        desc.image_row_pitch = rowPitch;
        desc.image_slice_pitch = slicePitch;
 
        object_ = ::clCreateImage(
            context(), 
            flags, 
            &format, 
            &desc, 
            host_ptr, 
            &error);
 
        detail::errHandler(error, __CREATE_IMAGE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image2DArray(const Context &context,
                 const vector<cl_mem_properties> &properties,
                 cl_mem_flags flags, ImageFormat format, size_type arraySize,
                 size_type width, size_type height, size_type rowPitch = 0,
                 size_type slicePitch = 0, void *host_ptr = nullptr,
                 cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE2D_ARRAY;
      desc.image_width = width;
      desc.image_height = height;
      desc.image_array_size = arraySize;
      desc.image_row_pitch = rowPitch;
      desc.image_slice_pitch = slicePitch;
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, host_ptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, host_ptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    Image2DArray() { }
    
    explicit Image2DArray(const cl_mem& imageArray, bool retainObject = false) : Image(imageArray, retainObject) { }
 
    Image2DArray& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
 
};
#endif // #if CL_HPP_TARGET_OPENCL_VERSION >= 120
 
class Image3D : public Image
{
public:
    Image3D(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type width,
        size_type height,
        size_type depth,
        size_type row_pitch = 0,
        size_type slice_pitch = 0,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
        bool useCreateImage;
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 120
        // Run-time decision based on the actual platform
        {
            cl_uint version = detail::getContextPlatformVersion(context());
            useCreateImage = (version >= 0x10002); // OpenCL 1.2 or above
        }
#elif CL_HPP_TARGET_OPENCL_VERSION >= 120
        useCreateImage = true;
#else
        useCreateImage = false;
#endif
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        if (useCreateImage)
        {
            cl_image_desc desc = {};
            desc.image_type = CL_MEM_OBJECT_IMAGE3D;
            desc.image_width = width;
            desc.image_height = height;
            desc.image_depth = depth;
            desc.image_row_pitch = row_pitch;
            desc.image_slice_pitch = slice_pitch;
 
            object_ = ::clCreateImage(
                context(), 
                flags, 
                &format, 
                &desc, 
                host_ptr, 
                &error);
 
            detail::errHandler(error, __CREATE_IMAGE_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
#endif  // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
        if (!useCreateImage)
        {
            object_ = ::clCreateImage3D(
                context(), flags, &format, width, height, depth, row_pitch,
                slice_pitch, host_ptr, &error);
 
            detail::errHandler(error, __CREATE_IMAGE3D_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
#endif // CL_HPP_MINIMUM_OPENCL_VERSION < 120
    }
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 300
    Image3D(const Context &context, const vector<cl_mem_properties> &properties,
            cl_mem_flags flags, ImageFormat format, size_type width,
            size_type height, size_type depth, size_type row_pitch = 0,
            size_type slice_pitch = 0, void *host_ptr = nullptr,
            cl_int *err = nullptr) {
      cl_int error;
 
      cl_image_desc desc = {};
      desc.image_type = CL_MEM_OBJECT_IMAGE3D;
      desc.image_width = width;
      desc.image_height = height;
      desc.image_depth = depth;
      desc.image_row_pitch = row_pitch;
      desc.image_slice_pitch = slice_pitch;
 
      if (properties.empty()) {
        object_ = ::clCreateImageWithProperties(
            context(), nullptr, flags, &format, &desc, host_ptr, &error);
      } else {
        object_ =
            ::clCreateImageWithProperties(context(), properties.data(), flags,
                                          &format, &desc, host_ptr, &error);
      }
 
      detail::errHandler(error, __CREATE_IMAGE_ERR);
      if (err != nullptr) {
        *err = error;
      }
    }
#endif //#if CL_HPP_TARGET_OPENCL_VERSION >= 300
 
    Image3D() : Image() { }
 
    explicit Image3D(const cl_mem& image3D, bool retainObject = false) : 
        Image(image3D, retainObject) { }
 
    Image3D& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
 
};
 
#if defined(CL_USE_DEPRECATED_OPENCL_1_1_APIS)
class Image3DGL : public Image3D
{
public:
    Image3DGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLenum target,
        cl_GLint  miplevel,
        cl_GLuint texobj,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateFromGLTexture3D(
            context(),
            flags,
            target,
            miplevel,
            texobj,
            &error);
 
        detail::errHandler(error, __CREATE_GL_TEXTURE_3D_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Image3DGL() : Image3D() { }
 
    explicit Image3DGL(const cl_mem& image, bool retainObject = false) : 
        Image3D(image, retainObject) { }
 
    Image3DGL& operator = (const cl_mem& rhs)
    {
        Image3D::operator=(rhs);
        return *this;
    }
 
};
#endif // CL_USE_DEPRECATED_OPENCL_1_1_APIS
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 120
class ImageGL : public Image
{
public:
    ImageGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLenum target,
        cl_GLint  miplevel,
        cl_GLuint texobj,
        cl_int * err = nullptr)
    {
        cl_int error;
        object_ = ::clCreateFromGLTexture(
            context(), 
            flags, 
            target,
            miplevel,
            texobj,
            &error);
 
        detail::errHandler(error, __CREATE_GL_TEXTURE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    ImageGL() : Image() { }
    
    explicit ImageGL(const cl_mem& image, bool retainObject = false) : 
        Image(image, retainObject) { }
 
    ImageGL& operator = (const cl_mem& rhs)
    {
        Image::operator=(rhs);
        return *this;
    }
 
};
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
 
 
 
#if CL_HPP_TARGET_OPENCL_VERSION >= 200
class Pipe : public Memory
{
public:
 
    Pipe(
        const Context& context,
        cl_uint packet_size,
        cl_uint max_packets,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        cl_mem_flags flags = CL_MEM_READ_WRITE | CL_MEM_HOST_NO_ACCESS;
        object_ = ::clCreatePipe(context(), flags, packet_size, max_packets, nullptr, &error);
 
        detail::errHandler(error, __CREATE_PIPE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Pipe(
        cl_uint packet_size,
        cl_uint max_packets,
        cl_int* err = nullptr)
    {
        cl_int error;
 
        Context context = Context::getDefault(err);
 
        cl_mem_flags flags = CL_MEM_READ_WRITE | CL_MEM_HOST_NO_ACCESS;
        object_ = ::clCreatePipe(context(), flags, packet_size, max_packets, nullptr, &error);
 
        detail::errHandler(error, __CREATE_PIPE_ERR);
        if (err != nullptr) {
            *err = error;
        }
    }
 
    Pipe() : Memory() { }
 
    explicit Pipe(const cl_mem& pipe, bool retainObject = false) :
        Memory(pipe, retainObject) {