| Iliyan Malchev | 202a77d | 2012-06-11 14:41:12 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 | #include <utils/RefBase.h> |
| 33 | |
| 34 | namespace gralloc { |
| 35 | |
| 36 | struct alloc_data; |
| 37 | class IMemAlloc; |
| 38 | class IonAlloc; |
| 39 | |
| 40 | class IAllocController : public android::RefBase { |
| 41 | |
| 42 | public: |
| 43 | /* Allocate using a suitable method |
| 44 | * Returns the type of buffer allocated |
| 45 | */ |
| 46 | virtual int allocate(alloc_data& data, int usage, |
| 47 | int compositionType) = 0; |
| 48 | |
| 49 | virtual android::sp<IMemAlloc> getAllocator(int flags) = 0; |
| 50 | |
| 51 | virtual ~IAllocController() {}; |
| 52 | |
| 53 | static android::sp<IAllocController> getInstance(bool useMasterHeap); |
| 54 | |
| 55 | private: |
| 56 | static android::sp<IAllocController> sController; |
| 57 | |
| 58 | }; |
| 59 | |
| 60 | class IonController : public IAllocController { |
| 61 | |
| 62 | public: |
| 63 | virtual int allocate(alloc_data& data, int usage, |
| 64 | int compositionType); |
| 65 | |
| 66 | virtual android::sp<IMemAlloc> getAllocator(int flags); |
| 67 | |
| 68 | IonController(); |
| 69 | |
| 70 | private: |
| 71 | android::sp<IonAlloc> mIonAlloc; |
| 72 | |
| 73 | }; |
| 74 | |
| 75 | class PmemKernelController : public IAllocController { |
| 76 | |
| 77 | public: |
| 78 | virtual int allocate(alloc_data& data, int usage, |
| 79 | int compositionType); |
| 80 | |
| 81 | virtual android::sp<IMemAlloc> getAllocator(int flags); |
| 82 | |
| 83 | PmemKernelController (); |
| 84 | |
| 85 | ~PmemKernelController (); |
| 86 | |
| 87 | private: |
| 88 | android::sp<IMemAlloc> mPmemAdspAlloc; |
| 89 | |
| 90 | }; |
| 91 | |
| 92 | // Main pmem controller - this should only |
| 93 | // be used within gralloc |
| 94 | class PmemAshmemController : public IAllocController { |
| 95 | |
| 96 | public: |
| 97 | virtual int allocate(alloc_data& data, int usage, |
| 98 | int compositionType); |
| 99 | |
| 100 | virtual android::sp<IMemAlloc> getAllocator(int flags); |
| 101 | |
| 102 | PmemAshmemController(); |
| 103 | |
| 104 | ~PmemAshmemController(); |
| 105 | |
| 106 | private: |
| 107 | android::sp<IMemAlloc> mPmemUserspaceAlloc; |
| 108 | android::sp<IMemAlloc> mAshmemAlloc; |
| 109 | android::sp<IAllocController> mPmemKernelCtrl; |
| 110 | |
| 111 | }; |
| 112 | |
| 113 | } //end namespace gralloc |
| 114 | #endif // GRALLOC_ALLOCCONTROLLER_H |