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/*
* Copyright (c) 2016-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_OPENCL_H
#define ARM_COMPUTE_OPENCL_H
#include <string>
#include <utility>
/* Configure the Khronos C++ wrapper to target OpenCL 1.2: */
#ifndef ARM_COMPUTE_NO_EXCEPTIONS
#define CL_HPP_ENABLE_EXCEPTIONS
#endif // ARM_COMPUTE_NO_EXCEPTIONS
#define CL_TARGET_OPENCL_VERSION 200
#define CL_HPP_TARGET_OPENCL_VERSION 110
#define CL_HPP_MINIMUM_OPENCL_VERSION 110
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#pragma GCC diagnostic ignored "-Wignored-qualifiers"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#if defined(__GNUG__) && __GNUG__ >= 8
#pragma GCC diagnostic ignored "-Wcatch-value"
#endif // defined(__GNUG__) && __GNUG__ >= 8
#include <CL/cl2.hpp>
#pragma GCC diagnostic pop
namespace cl
{
static const NDRange Range_128_1 = NDRange(128, 1);
} // namespace cl
namespace arm_compute
{
/** Check if OpenCL is available.
*
* @return True if OpenCL is available.
*/
bool opencl_is_available();
/** Class for loading OpenCL symbols. */
class CLSymbols final
{
public:
/** Default Constructor */
CLSymbols() noexcept(false);
/** Load OpenCL symbols from handle
*
* @param[in] handle Handle to load symbols from
*/
void load_symbols(void *handle);
/** Get the static instance of CLSymbols.
*
* @return The static instance of CLSymbols.
*/
static CLSymbols &get();
/** Load symbols from the given OpenCL library path.
*
* @param[in] library Path to the OpenCL library.
*
* @return True if loading the library is successful.
*/
bool load(const std::string &library);
/** Load symbols from any of the default OpenCL library names.
*
* @return True if loading any library is successful.
*/
bool load_default();
#define DECLARE_FUNCTION_PTR(func_name) \
std::function<decltype(func_name)> func_name##_ptr = nullptr
DECLARE_FUNCTION_PTR(clCreateContext);
DECLARE_FUNCTION_PTR(clCreateContextFromType);
DECLARE_FUNCTION_PTR(clCreateCommandQueue);
DECLARE_FUNCTION_PTR(clGetContextInfo);
DECLARE_FUNCTION_PTR(clBuildProgram);
DECLARE_FUNCTION_PTR(clEnqueueNDRangeKernel);
DECLARE_FUNCTION_PTR(clSetKernelArg);
DECLARE_FUNCTION_PTR(clReleaseKernel);
DECLARE_FUNCTION_PTR(clCreateProgramWithSource);
DECLARE_FUNCTION_PTR(clCreateBuffer);
DECLARE_FUNCTION_PTR(clRetainKernel);
DECLARE_FUNCTION_PTR(clCreateKernel);
DECLARE_FUNCTION_PTR(clGetProgramInfo);
DECLARE_FUNCTION_PTR(clFlush);
DECLARE_FUNCTION_PTR(clFinish);
DECLARE_FUNCTION_PTR(clReleaseProgram);
DECLARE_FUNCTION_PTR(clRetainContext);
DECLARE_FUNCTION_PTR(clCreateProgramWithBinary);
DECLARE_FUNCTION_PTR(clReleaseCommandQueue);
DECLARE_FUNCTION_PTR(clEnqueueMapBuffer);
DECLARE_FUNCTION_PTR(clRetainProgram);
DECLARE_FUNCTION_PTR(clGetProgramBuildInfo);
DECLARE_FUNCTION_PTR(clEnqueueReadBuffer);
DECLARE_FUNCTION_PTR(clEnqueueWriteBuffer);
DECLARE_FUNCTION_PTR(clReleaseEvent);
DECLARE_FUNCTION_PTR(clReleaseContext);
DECLARE_FUNCTION_PTR(clRetainCommandQueue);
DECLARE_FUNCTION_PTR(clEnqueueUnmapMemObject);
DECLARE_FUNCTION_PTR(clRetainMemObject);
DECLARE_FUNCTION_PTR(clReleaseMemObject);
DECLARE_FUNCTION_PTR(clGetDeviceInfo);
DECLARE_FUNCTION_PTR(clGetDeviceIDs);
DECLARE_FUNCTION_PTR(clGetMemObjectInfo);
DECLARE_FUNCTION_PTR(clRetainEvent);
DECLARE_FUNCTION_PTR(clGetPlatformIDs);
DECLARE_FUNCTION_PTR(clGetKernelWorkGroupInfo);
DECLARE_FUNCTION_PTR(clGetCommandQueueInfo);
DECLARE_FUNCTION_PTR(clGetKernelInfo);
DECLARE_FUNCTION_PTR(clGetEventProfilingInfo);
DECLARE_FUNCTION_PTR(clSVMAlloc);
DECLARE_FUNCTION_PTR(clSVMFree);
DECLARE_FUNCTION_PTR(clEnqueueSVMMap);
DECLARE_FUNCTION_PTR(clEnqueueSVMUnmap);
DECLARE_FUNCTION_PTR(clEnqueueMarker);
DECLARE_FUNCTION_PTR(clWaitForEvents);
DECLARE_FUNCTION_PTR(clCreateImage);
// Third-party extensions
DECLARE_FUNCTION_PTR(clImportMemoryARM);
#undef DECLARE_FUNCTION_PTR
private:
std::pair<bool, bool> _loaded;
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_OPENCL_H */
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