michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "vpx_config.h"
michael@0: #include "vp8_rtcd.h"
michael@0: #if ARCH_ARM
michael@0: #include "vpx_ports/arm.h"
michael@0: #elif ARCH_X86 || ARCH_X86_64
michael@0: #include "vpx_ports/x86.h"
michael@0: #endif
michael@0: #include "vp8/common/onyxc_int.h"
michael@0: 
michael@0: #if CONFIG_MULTITHREAD
michael@0: #if HAVE_UNISTD_H && !defined(__OS2__)
michael@0: #include <unistd.h>
michael@0: #elif defined(_WIN32)
michael@0: #include <windows.h>
michael@0: typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
michael@0: #elif defined(__OS2__)
michael@0: #define INCL_DOS
michael@0: #define INCL_DOSSPINLOCK
michael@0: #include <os2.h>
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: #if CONFIG_MULTITHREAD
michael@0: static int get_cpu_count()
michael@0: {
michael@0:     int core_count = 16;
michael@0: 
michael@0: #if HAVE_UNISTD_H && !defined(__OS2__)
michael@0: #if defined(_SC_NPROCESSORS_ONLN)
michael@0:     core_count = sysconf(_SC_NPROCESSORS_ONLN);
michael@0: #elif defined(_SC_NPROC_ONLN)
michael@0:     core_count = sysconf(_SC_NPROC_ONLN);
michael@0: #endif
michael@0: #elif defined(_WIN32)
michael@0:     {
michael@0:         PGNSI pGNSI;
michael@0:         SYSTEM_INFO sysinfo;
michael@0: 
michael@0:         /* Call GetNativeSystemInfo if supported or
michael@0:          * GetSystemInfo otherwise. */
michael@0: 
michael@0:         pGNSI = (PGNSI) GetProcAddress(
michael@0:                 GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo");
michael@0:         if (pGNSI != NULL)
michael@0:             pGNSI(&sysinfo);
michael@0:         else
michael@0:             GetSystemInfo(&sysinfo);
michael@0: 
michael@0:         core_count = sysinfo.dwNumberOfProcessors;
michael@0:     }
michael@0: #elif defined(__OS2__)
michael@0:     {
michael@0:         ULONG proc_id;
michael@0:         ULONG status;
michael@0: 
michael@0:         core_count = 0;
michael@0:         for (proc_id = 1; ; proc_id++)
michael@0:         {
michael@0:             if (DosGetProcessorStatus(proc_id, &status))
michael@0:                 break;
michael@0: 
michael@0:             if (status == PROC_ONLINE)
michael@0:                 core_count++;
michael@0:         }
michael@0:     }
michael@0: #else
michael@0:     /* other platforms */
michael@0: #endif
michael@0: 
michael@0:     return core_count > 0 ? core_count : 1;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: void vp8_clear_system_state_c() {};
michael@0: 
michael@0: void vp8_machine_specific_config(VP8_COMMON *ctx)
michael@0: {
michael@0: #if CONFIG_MULTITHREAD
michael@0:     ctx->processor_core_count = get_cpu_count();
michael@0: #endif /* CONFIG_MULTITHREAD */
michael@0: 
michael@0: #if ARCH_ARM
michael@0:     ctx->cpu_caps = arm_cpu_caps();
michael@0: #elif ARCH_X86 || ARCH_X86_64
michael@0:     ctx->cpu_caps = x86_simd_caps();
michael@0: #endif
michael@0: }