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