The Tor Browser / file comparison
comparison: media/libvpx/vp8/common/generic/systemdependent.c
media/libvpx/vp8/common/generic/systemdependent.c
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
equal
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| -1:000000000000 | 0:a85eb940bb8b |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 | |
| 12 #include "vpx_config.h" | |
| 13 #include "vp8_rtcd.h" | |
| 14 #if ARCH_ARM | |
| 15 #include "vpx_ports/arm.h" | |
| 16 #elif ARCH_X86 || ARCH_X86_64 | |
| 17 #include "vpx_ports/x86.h" | |
| 18 #endif | |
| 19 #include "vp8/common/onyxc_int.h" | |
| 20 | |
| 21 #if CONFIG_MULTITHREAD | |
| 22 #if HAVE_UNISTD_H && !defined(__OS2__) | |
| 23 #include <unistd.h> | |
| 24 #elif defined(_WIN32) | |
| 25 #include <windows.h> | |
| 26 typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO); | |
| 27 #elif defined(__OS2__) | |
| 28 #define INCL_DOS | |
| 29 #define INCL_DOSSPINLOCK | |
| 30 #include <os2.h> | |
| 31 #endif | |
| 32 #endif | |
| 33 | |
| 34 #if CONFIG_MULTITHREAD | |
| 35 static int get_cpu_count() | |
| 36 { | |
| 37 int core_count = 16; | |
| 38 | |
| 39 #if HAVE_UNISTD_H && !defined(__OS2__) | |
| 40 #if defined(_SC_NPROCESSORS_ONLN) | |
| 41 core_count = sysconf(_SC_NPROCESSORS_ONLN); | |
| 42 #elif defined(_SC_NPROC_ONLN) | |
| 43 core_count = sysconf(_SC_NPROC_ONLN); | |
| 44 #endif | |
| 45 #elif defined(_WIN32) | |
| 46 { | |
| 47 PGNSI pGNSI; | |
| 48 SYSTEM_INFO sysinfo; | |
| 49 | |
| 50 /* Call GetNativeSystemInfo if supported or | |
| 51 * GetSystemInfo otherwise. */ | |
| 52 | |
| 53 pGNSI = (PGNSI) GetProcAddress( | |
| 54 GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo"); | |
| 55 if (pGNSI != NULL) | |
| 56 pGNSI(&sysinfo); | |
| 57 else | |
| 58 GetSystemInfo(&sysinfo); | |
| 59 | |
| 60 core_count = sysinfo.dwNumberOfProcessors; | |
| 61 } | |
| 62 #elif defined(__OS2__) | |
| 63 { | |
| 64 ULONG proc_id; | |
| 65 ULONG status; | |
| 66 | |
| 67 core_count = 0; | |
| 68 for (proc_id = 1; ; proc_id++) | |
| 69 { | |
| 70 if (DosGetProcessorStatus(proc_id, &status)) | |
| 71 break; | |
| 72 | |
| 73 if (status == PROC_ONLINE) | |
| 74 core_count++; | |
| 75 } | |
| 76 } | |
| 77 #else | |
| 78 /* other platforms */ | |
| 79 #endif | |
| 80 | |
| 81 return core_count > 0 ? core_count : 1; | |
| 82 } | |
| 83 #endif | |
| 84 | |
| 85 void vp8_clear_system_state_c() {}; | |
| 86 | |
| 87 void vp8_machine_specific_config(VP8_COMMON *ctx) | |
| 88 { | |
| 89 #if CONFIG_MULTITHREAD | |
| 90 ctx->processor_core_count = get_cpu_count(); | |
| 91 #endif /* CONFIG_MULTITHREAD */ | |
| 92 | |
| 93 #if ARCH_ARM | |
| 94 ctx->cpu_caps = arm_cpu_caps(); | |
| 95 #elif ARCH_X86 || ARCH_X86_64 | |
| 96 ctx->cpu_caps = x86_simd_caps(); | |
| 97 #endif | |
| 98 } |
