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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 | static FUNC_PPALibRelease *_pfuncPpaRelease; | |
45 | ppa::Base *ppabase; | |
46 | ||
47 | static void _ppaReleaseAtExit() | |
48 | { | |
49 | _pfuncPpaRelease(ppabase); | |
50 | } | |
51 | ||
52 | #ifdef _WIN32 | |
53 | #include <windows.h> | |
54 | ||
55 | #if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) | |
56 | # ifdef UNICODE | |
57 | # define PPA_DLL_NAME L"ppa64.dll" | |
58 | # else | |
59 | # define PPA_DLL_NAME "ppa64.dll" | |
60 | # endif | |
61 | #else | |
62 | # ifdef UNICODE | |
63 | # define PPA_DLL_NAME L"ppa.dll" | |
64 | # else | |
65 | # define PPA_DLL_NAME "ppa.dll" | |
66 | # endif | |
67 | #endif // if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) | |
68 | ||
69 | void initializePPA(void) | |
70 | { | |
71 | if (ppabase) | |
72 | return; | |
73 | ||
74 | HMODULE _ppaLibHandle = LoadLibrary(PPA_DLL_NAME); | |
75 | if (!_ppaLibHandle) | |
76 | return; | |
77 | ||
78 | FUNC_PPALibInit *_pfuncPpaInit = (FUNC_PPALibInit*)GetProcAddress(_ppaLibHandle, "InitPpaUtil"); | |
79 | _pfuncPpaRelease = (FUNC_PPALibRelease*)GetProcAddress(_ppaLibHandle, "DeletePpa"); | |
80 | ||
81 | if (!_pfuncPpaInit || !_pfuncPpaRelease) | |
82 | { | |
83 | FreeLibrary(_ppaLibHandle); | |
84 | return; | |
85 | } | |
86 | ||
87 | ppabase = _pfuncPpaInit(PPACpuAndGroup, PPACpuGroupNums); | |
88 | if (!ppabase) | |
89 | { | |
90 | FreeLibrary(_ppaLibHandle); | |
91 | return; | |
92 | } | |
93 | ||
94 | atexit(_ppaReleaseAtExit); | |
95 | } | |
96 | ||
97 | #else /* linux & unix & cygwin */ | |
98 | #include <dlfcn.h> | |
99 | #include <stdio.h> | |
100 | ||
101 | #if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__) | |
102 | # define PPA_LIB_NAME "libppa64.so" | |
103 | #else | |
104 | # define PPA_LIB_NAME "libppa.so" | |
105 | #endif | |
106 | ||
107 | void initializePPA(void) | |
108 | { | |
109 | if (ppabase) | |
110 | { | |
111 | printf("PPA: already initialized\n"); | |
112 | return; | |
113 | } | |
114 | ||
115 | void *_ppaDllHandle = dlopen(PPA_LIB_NAME, RTLD_LAZY); | |
116 | if (!_ppaDllHandle) | |
117 | { | |
118 | printf("PPA: Unable to load %s\n", PPA_LIB_NAME); | |
119 | return; | |
120 | } | |
121 | ||
122 | FUNC_PPALibInit *_pfuncPpaInit = (FUNC_PPALibInit*)dlsym(_ppaDllHandle, "InitPpaUtil"); | |
123 | _pfuncPpaRelease = (FUNC_PPALibRelease*)dlsym(_ppaDllHandle, "DeletePpa"); | |
124 | ||
125 | if (!_pfuncPpaInit || !_pfuncPpaRelease) | |
126 | { | |
127 | printf("PPA: Function bindings failed\n"); | |
128 | dlclose(_ppaDllHandle); | |
129 | return; | |
130 | } | |
131 | ||
132 | ppabase = _pfuncPpaInit(PPACpuAndGroup, PPACpuGroupNums); | |
133 | if (!ppabase) | |
134 | { | |
135 | printf("PPA: Init failed\n"); | |
136 | dlclose(_ppaDllHandle); | |
137 | return; | |
138 | } | |
139 | ||
140 | atexit(_ppaReleaseAtExit); | |
141 | } | |
142 | ||
143 | #endif /* !_WIN32 */ | |
144 | ||
145 | #endif /* defined(ENABLE_PPA) */ |