1/* 2 * Copyright (C) 2012 University of Szeged 3 * Copyright (C) 2012 Tamas Czene <tczene@inf.u-szeged.hu> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27#if ENABLE(OPENCL) 28 29#ifndef OpenCLHandle_h 30#define OpenCLHandle_h 31 32#include "CL/cl.h" 33 34namespace WebCore { 35 36class OpenCLHandle { 37public: 38 OpenCLHandle() : m_openCLMemory(0) { } 39 OpenCLHandle(cl_mem openCLMemory) : m_openCLMemory(openCLMemory) { } 40 41 operator cl_mem() { return m_openCLMemory; } 42 43 void operator=(OpenCLHandle openCLMemory) { m_openCLMemory = openCLMemory; } 44 45 // This conversion operator allows implicit conversion to bool but not to other integer types. 46 typedef cl_mem (OpenCLHandle::*UnspecifiedBoolType); 47 operator UnspecifiedBoolType() const { return m_openCLMemory ? &OpenCLHandle::m_openCLMemory : 0; } 48 49 void* handleAddress() { return reinterpret_cast<void*>(&m_openCLMemory); } 50 51 void clear() 52 { 53 if (m_openCLMemory) 54 clReleaseMemObject(m_openCLMemory); 55 m_openCLMemory = 0; 56 } 57 58private: 59 cl_mem m_openCLMemory; 60}; 61 62} 63 64#endif 65#endif // ENABLE(OPENCL) 66