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 #define SZ_2M 0x200000 33 #define SZ_1M 0x100000 34 #define SZ_4K 0x1000 35 36 /* TODO: Move this to the common makefile */ 37 #ifdef MASTER_SIDE_CP 38 #define SECURE_ALIGN SZ_4K 39 #else 40 #define SECURE_ALIGN SZ_1M 41 #endif 42 43 namespace gralloc { 44 45 struct alloc_data; 46 class IMemAlloc; 47 class IonAlloc; 48 49 class IAllocController { 50 51 public: 52 /* Allocate using a suitable method 53 * Returns the type of buffer allocated 54 */ 55 virtual int allocate(alloc_data& data, int usage) = 0; 56 57 virtual IMemAlloc* getAllocator(int flags) = 0; 58 isDisableUBWCForEncoder()59 virtual bool isDisableUBWCForEncoder() { return false; } 60 ~IAllocController()61 virtual ~IAllocController() {}; 62 63 static IAllocController* getInstance(void); 64 65 private: 66 static IAllocController* sController; 67 68 }; 69 70 class IonController : public IAllocController { 71 72 public: 73 virtual int allocate(alloc_data& data, int usage); 74 75 virtual IMemAlloc* getAllocator(int flags); 76 isDisableUBWCForEncoder()77 virtual bool isDisableUBWCForEncoder() { 78 return mDisableUBWCForEncode; 79 } 80 81 IonController(); 82 83 private: 84 IonAlloc* mIonAlloc; 85 bool mDisableUBWCForEncode; 86 void allocateIonMem(); 87 88 }; 89 } //end namespace gralloc 90 #endif // GRALLOC_ALLOCCONTROLLER_H 91