| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Steve Borho <steve@borho.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 19 | * |
| 20 | * This program is also available under a commercial proprietary license. |
| 21 | * For more information, contact us at license @ x265.com. |
| 22 | *****************************************************************************/ |
| 23 | |
| 24 | #if defined(ENABLE_PPA) |
| 25 | |
| 26 | #include "ppa.h" |
| 27 | #include <stdlib.h> |
| 28 | |
| 29 | #define PPA_REGISTER_CPU_EVENT2GROUP(x, y) # x, # y, |
| 30 | #define PPA_REGISTER_CPU_EVENT(x) PPA_REGISTER_CPU_EVENT2GROUP(x, NoGroup) |
| 31 | const char *PPACpuAndGroup[] = |
| 32 | { |
| 33 | #include "ppaCPUEvents.h" |
| 34 | "" |
| 35 | }; |
| 36 | #undef PPA_REGISTER_CPU_EVENT |
| 37 | #undef PPA_REGISTER_CPU_EVENT2GROUP |
| 38 | |
| 39 | extern "C" { |
| 40 | typedef ppa::Base *(FUNC_PPALibInit)(const char **, int); |
| 41 | typedef void (FUNC_PPALibRelease)(ppa::Base* &); |
| 42 | } |
| 43 | |
| 44 | using namespace ppa; |
| 45 | |
| 46 | static FUNC_PPALibRelease *_pfuncPpaRelease; |
| 47 | ppa::Base *ppa::ppabase; |
| 48 | |
| 49 | static void _ppaReleaseAtExit() |
| 50 | { |
| 51 | _pfuncPpaRelease(ppabase); |
| 52 | } |
| 53 | |
| 54 | #ifdef _WIN32 |
| 55 | #include <windows.h> |
| 56 | |
| 57 | #if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) |
| 58 | # ifdef UNICODE |
| 59 | # define PPA_DLL_NAME L"ppa64.dll" |
| 60 | # else |
| 61 | # define PPA_DLL_NAME "ppa64.dll" |
| 62 | # endif |
| 63 | #else |
| 64 | # ifdef UNICODE |
| 65 | # define PPA_DLL_NAME L"ppa.dll" |
| 66 | # else |
| 67 | # define PPA_DLL_NAME "ppa.dll" |
| 68 | # endif |
| 69 | #endif // if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) |
| 70 | |
| 71 | void initializePPA(void) |
| 72 | { |
| 73 | if (ppabase) |
| 74 | return; |
| 75 | |
| 76 | HMODULE _ppaLibHandle = LoadLibrary(PPA_DLL_NAME); |
| 77 | if (!_ppaLibHandle) |
| 78 | return; |
| 79 | |
| 80 | FUNC_PPALibInit *_pfuncPpaInit = (FUNC_PPALibInit*)GetProcAddress(_ppaLibHandle, "InitPpaUtil"); |
| 81 | _pfuncPpaRelease = (FUNC_PPALibRelease*)GetProcAddress(_ppaLibHandle, "DeletePpa"); |
| 82 | |
| 83 | if (!_pfuncPpaInit || !_pfuncPpaRelease) |
| 84 | { |
| 85 | FreeLibrary(_ppaLibHandle); |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | ppabase = _pfuncPpaInit(PPACpuAndGroup, PPACpuGroupNums); |
| 90 | if (!ppabase) |
| 91 | { |
| 92 | FreeLibrary(_ppaLibHandle); |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | atexit(_ppaReleaseAtExit); |
| 97 | } |
| 98 | |
| 99 | #else /* linux & unix & cygwin */ |
| 100 | #include <dlfcn.h> |
| 101 | #include <stdio.h> |
| 102 | |
| 103 | #if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) |
| 104 | # define PPA_LIB_NAME "libppa64.so" |
| 105 | #else |
| 106 | # define PPA_LIB_NAME "libppa.so" |
| 107 | #endif |
| 108 | |
| 109 | void initializePPA(void) |
| 110 | { |
| 111 | if (ppabase) |
| 112 | { |
| 113 | printf("PPA: already initialized\n"); |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | void *_ppaDllHandle = dlopen(PPA_LIB_NAME, RTLD_LAZY); |
| 118 | if (!_ppaDllHandle) |
| 119 | { |
| 120 | printf("PPA: Unable to load %s\n", PPA_LIB_NAME); |
| 121 | return; |
| 122 | } |
| 123 | |
| 124 | FUNC_PPALibInit *_pfuncPpaInit = (FUNC_PPALibInit*)dlsym(_ppaDllHandle, "InitPpaUtil"); |
| 125 | _pfuncPpaRelease = (FUNC_PPALibRelease*)dlsym(_ppaDllHandle, "DeletePpa"); |
| 126 | |
| 127 | if (!_pfuncPpaInit || !_pfuncPpaRelease) |
| 128 | { |
| 129 | printf("PPA: Function bindings failed\n"); |
| 130 | dlclose(_ppaDllHandle); |
| 131 | return; |
| 132 | } |
| 133 | |
| 134 | ppabase = _pfuncPpaInit(PPACpuAndGroup, PPACpuGroupNums); |
| 135 | if (!ppabase) |
| 136 | { |
| 137 | printf("PPA: Init failed\n"); |
| 138 | dlclose(_ppaDllHandle); |
| 139 | return; |
| 140 | } |
| 141 | |
| 142 | atexit(_ppaReleaseAtExit); |
| 143 | } |
| 144 | |
| 145 | #endif /* !_WIN32 */ |
| 146 | |
| 147 | #endif /* defined(ENABLE_PPA) */ |