mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 08:30:16 +00:00
301 lines
8.3 KiB
C
301 lines
8.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include "libretro.h"
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#include "performance.h"
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#include "general.h"
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#ifdef ANDROID
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#include "performance/performance_android.h"
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#endif
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#if !defined(_WIN32) && !defined(RARCH_CONSOLE)
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#include <unistd.h>
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#endif
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#if defined(_WIN32) && !defined(_XBOX)
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#include <windows.h>
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#endif
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#if defined(__CELLOS_LV2__) || defined(GEKKO)
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#ifndef _PPU_INTRINSICS_H
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#include <ppu_intrinsics.h>
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#endif
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#elif defined(_XBOX360)
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#include <PPCIntrinsics.h>
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#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(ANDROID) || defined(__QNX__)
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// POSIX_MONOTONIC_CLOCK is not being defined in Android headers despite support being present.
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#include <time.h>
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#endif
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#if defined(__QNX__) && !defined(CLOCK_MONOTONIC)
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#define CLOCK_MONOTONIC 2
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#endif
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#if defined(__PSL1GHT__)
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#include <sys/time.h>
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#elif defined(__CELLOS_LV2__)
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#include <sys/sys_time.h>
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#endif
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#ifdef GEKKO
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#include <ogc/lwp_watchdog.h>
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#endif
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// OSX specific. OSX lacks clock_gettime().
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#ifdef __MACH__
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#include <mach/clock.h>
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#include <mach/mach.h>
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#endif
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#ifdef EMSCRIPTEN
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#include <emscripten.h>
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#endif
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#include <string.h>
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#define MAX_COUNTERS 64
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static const struct retro_perf_counter *perf_counters_rarch[MAX_COUNTERS];
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static const struct retro_perf_counter *perf_counters_libretro[MAX_COUNTERS];
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static unsigned perf_ptr_rarch;
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static unsigned perf_ptr_libretro;
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void rarch_perf_register(struct retro_perf_counter *perf)
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{
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if (perf->registered || perf_ptr_rarch >= MAX_COUNTERS)
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return;
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perf_counters_rarch[perf_ptr_rarch++] = perf;
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perf->registered = true;
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}
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void retro_perf_register(struct retro_perf_counter *perf)
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{
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if (perf->registered || perf_ptr_libretro >= MAX_COUNTERS)
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return;
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perf_counters_libretro[perf_ptr_libretro++] = perf;
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perf->registered = true;
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}
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void retro_perf_clear(void)
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{
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perf_ptr_libretro = 0;
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memset(perf_counters_libretro, 0, sizeof(perf_counters_libretro));
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}
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#ifdef _WIN32
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#define PERF_LOG_FMT "[PERF]: Avg (%s): %I64u ticks, %I64u runs.\n"
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#else
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#define PERF_LOG_FMT "[PERF]: Avg (%s): %llu ticks, %llu runs.\n"
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#endif
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static void log_counters(const struct retro_perf_counter **counters, unsigned num)
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{
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unsigned i;
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for (i = 0; i < num; i++)
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{
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RARCH_LOG(PERF_LOG_FMT,
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counters[i]->ident,
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(unsigned long long)counters[i]->total / (unsigned long long)counters[i]->call_cnt,
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(unsigned long long)counters[i]->call_cnt);
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}
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}
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void rarch_perf_log(void)
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{
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#if defined(PERF_TEST) || !defined(RARCH_INTERNAL)
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RARCH_LOG("[PERF]: Performance counters (RetroArch):\n");
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log_counters(perf_counters_rarch, perf_ptr_rarch);
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#endif
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}
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void retro_perf_log(void)
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{
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RARCH_LOG("[PERF]: Performance counters (libretro):\n");
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log_counters(perf_counters_libretro, perf_ptr_libretro);
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}
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retro_perf_tick_t rarch_get_perf_counter(void)
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{
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retro_perf_tick_t time = 0;
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#ifdef _XBOX1
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#define rdtsc __asm __emit 0fh __asm __emit 031h
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LARGE_INTEGER time_tmp;
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rdtsc;
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__asm mov time_tmp.LowPart, eax;
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__asm mov time_tmp.HighPart, edx;
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time = time_tmp.QuadPart;
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#elif defined(__linux__) || defined(__QNX__)
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struct timespec tv;
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if (clock_gettime(CLOCK_MONOTONIC, &tv) == 0)
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time = (retro_perf_tick_t)tv.tv_sec * 1000000000 + (retro_perf_tick_t)tv.tv_nsec;
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else
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time = 0;
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#elif defined(__GNUC__) && !defined(RARCH_CONSOLE)
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#if defined(__i386__) || defined(__i486__) || defined(__i686__)
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asm volatile ("rdtsc" : "=A" (time));
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#elif defined(__x86_64__)
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unsigned a, d;
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asm volatile ("rdtsc" : "=a" (a), "=d" (d));
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time = (retro_perf_tick_t)a | ((retro_perf_tick_t)d << 32);
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#endif
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#elif defined(__ARM_ARCH_6__)
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asm volatile( "mrc p15, 0, %0, c9, c13, 0" : "=r"(time) );
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#elif defined(__CELLOS_LV2__) || defined(GEKKO) || defined(_XBOX360)
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time = __mftb();
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#endif
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return time;
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}
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retro_time_t rarch_get_time_usec(void)
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{
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#if defined(_WIN32)
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static LARGE_INTEGER freq;
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if (!freq.QuadPart && !QueryPerformanceFrequency(&freq)) // Frequency is guaranteed to not change.
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return 0;
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LARGE_INTEGER count;
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if (!QueryPerformanceCounter(&count))
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return 0;
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return count.QuadPart * 1000000 / freq.QuadPart;
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#elif defined(__CELLOS_LV2__)
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return sys_time_get_system_time();
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#elif defined(GEKKO)
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return ticks_to_microsecs(gettime());
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#elif defined(__MACH__) // OSX doesn't have clock_gettime ...
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clock_serv_t cclock;
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mach_timespec_t mts;
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host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
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clock_get_time(cclock, &mts);
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mach_port_deallocate(mach_task_self(), cclock);
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return mts.tv_sec * INT64_C(1000000) + (mts.tv_nsec + 500) / 1000;
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#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(__QNX__) || defined(ANDROID)
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struct timespec tv;
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if (clock_gettime(CLOCK_MONOTONIC, &tv) < 0)
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return 0;
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return tv.tv_sec * INT64_C(1000000) + (tv.tv_nsec + 500) / 1000;
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#elif defined(EMSCRIPTEN)
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return emscripten_get_now() * 1000;
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#else
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#error "Your platform does not have a timer function implemented in rarch_get_time_usec(). Cannot continue."
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#endif
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}
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#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i686__)
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#define CPU_X86
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#endif
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#if defined(_MSC_VER) && !defined(_XBOX)
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#include <intrin.h>
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#endif
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#ifdef CPU_X86
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static void x86_cpuid(int func, int flags[4])
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{
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// On Android, we compile RetroArch with PIC, and we are not allowed to clobber the ebx
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// register.
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#ifdef __x86_64__
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#define REG_b "rbx"
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#define REG_S "rsi"
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#else
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#define REG_b "ebx"
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#define REG_S "esi"
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#endif
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#if defined(__GNUC__)
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asm volatile (
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"mov %%" REG_b ", %%" REG_S "\n"
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"cpuid\n"
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"xchg %%" REG_b ", %%" REG_S "\n"
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: "=a"(flags[0]), "=S"(flags[1]), "=c"(flags[2]), "=d"(flags[3])
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: "a"(func));
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#elif defined(_MSC_VER)
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__cpuid(flags, func);
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#else
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RARCH_WARN("Unknown compiler. Cannot check CPUID with inline assembly.\n");
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memset(flags, 0, 4 * sizeof(int));
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#endif
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}
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#endif
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uint64_t rarch_get_cpu_features(void)
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{
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uint64_t cpu = 0;
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#if defined(CPU_X86)
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int flags[4];
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x86_cpuid(0, flags);
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char vendor[13] = {0};
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const int vendor_shuffle[3] = { flags[1], flags[3], flags[2] };
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memcpy(vendor, vendor_shuffle, sizeof(vendor_shuffle));
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RARCH_LOG("[CPUID]: Vendor: %s\n", vendor);
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if (flags[0] < 1) // Does CPUID not support func = 1? (unlikely ...)
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return 0;
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x86_cpuid(1, flags);
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if (flags[3] & (1 << 25))
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cpu |= RETRO_SIMD_SSE;
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if (flags[3] & (1 << 26))
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cpu |= RETRO_SIMD_SSE2;
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if (flags[2] & (1 << 0))
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cpu |= RETRO_SIMD_SSE3;
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if (flags[2] & (1 << 9))
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cpu |= RETRO_SIMD_SSSE3;
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const int avx_flags = (1 << 27) | (1 << 28);
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if ((flags[2] & avx_flags) == avx_flags)
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cpu |= RETRO_SIMD_AVX;
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RARCH_LOG("[CPUID]: SSE: %u\n", !!(cpu & RETRO_SIMD_SSE));
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RARCH_LOG("[CPUID]: SSE2: %u\n", !!(cpu & RETRO_SIMD_SSE2));
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RARCH_LOG("[CPUID]: SSE3: %u\n", !!(cpu & RETRO_SIMD_SSE3));
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RARCH_LOG("[CPUID]: SSSE3: %u\n", !!(cpu & RETRO_SIMD_SSSE3));
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RARCH_LOG("[CPUID]: AVX: %u\n", !!(cpu & RETRO_SIMD_AVX));
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#elif defined(ANDROID) && defined(ANDROID_ARM)
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uint64_t cpu_flags = android_getCpuFeatures();
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if (cpu_flags & ANDROID_CPU_ARM_FEATURE_NEON)
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cpu |= RETRO_SIMD_NEON;
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RARCH_LOG("[CPUID]: NEON: %u\n", !!(cpu & RETRO_SIMD_NEON));
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#elif defined(HAVE_NEON)
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*cpu |= RETRO_SIMD_NEON;
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RARCH_LOG("[CPUID]: NEON: %u\n", !!(cpu & RETRO_SIMD_NEON));
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#elif defined(__CELLOS_LV2__)
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*cpu |= RETRO_SIMD_VMX;
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RARCH_LOG("[CPUID]: VMX: %u\n", !!(cpu & RETRO_SIMD_VMX));
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#elif defined(XBOX360)
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*cpu |= RETRO_SIMD_VMX128;
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RARCH_LOG("[CPUID]: VMX128: %u\n", !!(cpu & RETRO_SIMD_VMX128));
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#endif
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return cpu;
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}
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