107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani/* 207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. 307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Redistribution and use in source and binary forms, with or without 507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * modification, are permitted provided that the following conditions are 607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * met: 707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * * Redistributions of source code must retain the above copyright 807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * notice, this list of conditions and the following disclaimer. 907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * * Redistributions in binary form must reproduce the above 1007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * copyright notice, this list of conditions and the following 1107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * disclaimer in the documentation and/or other materials provided 1207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * with the distribution. 1307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * * Neither the name of The Linux Foundation nor the names of its 1407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * contributors may be used to endorse or promote products derived 1507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * from this software without specific prior written permission. 1607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * 1707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 1807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 1907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 2007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 2107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 2407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 2607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 2707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 2907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#ifndef GRALLOC_ALLOCCONTROLLER_H 3007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#define GRALLOC_ALLOCCONTROLLER_H 3107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaninamespace gralloc { 3307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malanistruct alloc_data; 3507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniclass IMemAlloc; 3607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniclass IonAlloc; 3707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 3807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniclass IAllocController { 3907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 4007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani public: 4107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani /* Allocate using a suitable method 4207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani * Returns the type of buffer allocated 4307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani */ 4407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani virtual int allocate(alloc_data& data, int usage) = 0; 4507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 4607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani virtual IMemAlloc* getAllocator(int flags) = 0; 4707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 4807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani virtual ~IAllocController() {}; 4907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani static IAllocController* getInstance(void); 5107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani private: 5307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani static IAllocController* sController; 5407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani}; 5607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malaniclass IonController : public IAllocController { 5807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 5907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani public: 6007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani virtual int allocate(alloc_data& data, int usage); 6107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani virtual IMemAlloc* getAllocator(int flags); 6307bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6407bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani IonController(); 6507bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 6607bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani private: 6707bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani IonAlloc* mIonAlloc; 6807bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani void allocateIonMem(); 6907bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani 7007bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani}; 7107bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani} //end namespace gralloc 7207bbf1e89c031a5d41a7561433e832d396c311a5Prashant Malani#endif // GRALLOC_ALLOCCONTROLLER_H 73