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 #include "vpx_config.h" 12 #include "vp8_rtcd.h" 13 #if VPX_ARCH_ARM 14 #include "vpx_ports/arm.h" 15 #elif VPX_ARCH_X86 || VPX_ARCH_X86_64 16 #include "vpx_ports/x86.h" 17 #elif VPX_ARCH_PPC 18 #include "vpx_ports/ppc.h" 19 #elif VPX_ARCH_MIPS 20 #include "vpx_ports/mips.h" 21 #elif VPX_ARCH_LOONGARCH 22 #include "vpx_ports/loongarch.h" 23 #endif 24 #include "vp8/common/onyxc_int.h" 25 #include "vp8/common/systemdependent.h" 26 27 #if CONFIG_MULTITHREAD 28 #if HAVE_UNISTD_H && !defined(__OS2__) 29 #include <unistd.h> 30 #elif defined(_WIN32) 31 #include <windows.h> 32 typedef void(WINAPI *PGNSI)(LPSYSTEM_INFO); 33 #elif defined(__OS2__) 34 #define INCL_DOS 35 #define INCL_DOSSPINLOCK 36 #include <os2.h> 37 #endif 38 #endif 39 40 #if CONFIG_MULTITHREAD get_cpu_count()41static int get_cpu_count() { 42 int core_count = 16; 43 44 #if HAVE_UNISTD_H && !defined(__OS2__) 45 #if defined(_SC_NPROCESSORS_ONLN) 46 core_count = (int)sysconf(_SC_NPROCESSORS_ONLN); 47 #elif defined(_SC_NPROC_ONLN) 48 core_count = (int)sysconf(_SC_NPROC_ONLN); 49 #endif 50 #elif defined(_WIN32) 51 { 52 #if _WIN32_WINNT >= 0x0501 53 SYSTEM_INFO sysinfo; 54 GetNativeSystemInfo(&sysinfo); 55 #else 56 PGNSI pGNSI; 57 SYSTEM_INFO sysinfo; 58 59 /* Call GetNativeSystemInfo if supported or 60 * GetSystemInfo otherwise. */ 61 62 pGNSI = (PGNSI)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), 63 "GetNativeSystemInfo"); 64 if (pGNSI != NULL) 65 pGNSI(&sysinfo); 66 else 67 GetSystemInfo(&sysinfo); 68 #endif 69 70 core_count = (int)sysinfo.dwNumberOfProcessors; 71 } 72 #elif defined(__OS2__) 73 { 74 ULONG proc_id; 75 ULONG status; 76 77 core_count = 0; 78 for (proc_id = 1;; ++proc_id) { 79 if (DosGetProcessorStatus(proc_id, &status)) break; 80 81 if (status == PROC_ONLINE) core_count++; 82 } 83 } 84 #else 85 /* other platforms */ 86 #endif 87 88 return core_count > 0 ? core_count : 1; 89 } 90 #endif 91 vp8_machine_specific_config(VP8_COMMON * ctx)92void vp8_machine_specific_config(VP8_COMMON *ctx) { 93 #if CONFIG_MULTITHREAD 94 ctx->processor_core_count = get_cpu_count(); 95 #endif /* CONFIG_MULTITHREAD */ 96 97 #if VPX_ARCH_ARM 98 ctx->cpu_caps = arm_cpu_caps(); 99 #elif VPX_ARCH_X86 || VPX_ARCH_X86_64 100 ctx->cpu_caps = x86_simd_caps(); 101 #elif VPX_ARCH_PPC 102 ctx->cpu_caps = ppc_simd_caps(); 103 #elif VPX_ARCH_MIPS 104 ctx->cpu_caps = mips_cpu_caps(); 105 #elif VPX_ARCH_LOONGARCH 106 ctx->cpu_caps = loongarch_cpu_caps(); 107 #else 108 // generic-gnu targets. 109 ctx->cpu_caps = 0; 110 #endif 111 } 112