1054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin/* 2054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. 3054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 4054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * Redistribution and use in source and binary forms, with or without 5054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * modification, are permitted provided that the following conditions are 6054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * met: 7054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * * Redistributions of source code must retain the above copyright 8054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * notice, this list of conditions and the following disclaimer. 9054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * * Redistributions in binary form must reproduce the above 10054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * copyright notice, this list of conditions and the following 11054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * disclaimer in the documentation and/or other materials provided 12054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * with the distribution. 13054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * * Neither the name of The Linux Foundation nor the names of its 14054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * contributors may be used to endorse or promote products derived 15054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * from this software without specific prior written permission. 16054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * 17054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin */ 29054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin#ifndef GRALLOC_ALLOCCONTROLLER_H 30054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin#define GRALLOC_ALLOCCONTROLLER_H 31054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 32054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinnamespace gralloc { 33054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 34054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinstruct alloc_data; 35054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinclass IMemAlloc; 36054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinclass IonAlloc; 37054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 38054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinclass IAllocController { 39054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 40054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin public: 41054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin /* Allocate using a suitable method 42054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin * Returns the type of buffer allocated 43054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin */ 44054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin virtual int allocate(alloc_data& data, int usage) = 0; 45054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 46054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin virtual IMemAlloc* getAllocator(int flags) = 0; 47054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 48054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin virtual ~IAllocController() {}; 49054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 50054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin static IAllocController* getInstance(void); 51054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 52054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin private: 53054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin static IAllocController* sController; 54054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 55054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin}; 56054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 57054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjinclass IonController : public IAllocController { 58054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 59054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin public: 60054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin virtual int allocate(alloc_data& data, int usage); 61054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 62054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin virtual IMemAlloc* getAllocator(int flags); 63054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 64054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin IonController(); 65054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 66054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin private: 67054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin IonAlloc* mIonAlloc; 68054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin void allocateIonMem(); 69054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin 70054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin}; 71054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin} //end namespace gralloc 72054df959aef7dce630a7f41d4aba6626c130756bPatrick Tjin#endif // GRALLOC_ALLOCCONTROLLER_H 73