1 /* 2 * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. 3 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef GRALLOC_ALLOCCONTROLLER_H 30 #define GRALLOC_ALLOCCONTROLLER_H 31 32 namespace gralloc { 33 34 struct alloc_data; 35 class IMemAlloc; 36 class IonAlloc; 37 38 class IAllocController { 39 40 public: 41 /* Allocate using a suitable method 42 * Returns the type of buffer allocated 43 */ 44 virtual int allocate(alloc_data& data, int usage) = 0; 45 46 virtual IMemAlloc* getAllocator(int flags) = 0; 47 48 virtual ~IAllocController() {}; 49 50 static IAllocController* getInstance(void); 51 52 private: 53 static IAllocController* sController; 54 55 }; 56 57 class IonController : public IAllocController { 58 59 public: 60 virtual int allocate(alloc_data& data, int usage); 61 62 virtual IMemAlloc* getAllocator(int flags); 63 64 IonController(); 65 66 private: 67 IonAlloc* mIonAlloc; 68 void allocateIonMem(); 69 70 }; 71 } //end namespace gralloc 72 #endif // GRALLOC_ALLOCCONTROLLER_H 73
