void QuerySystemInformation()
{
num_cpus = SDL_GetCPUCount();
ram = SDL_GetSystemRAM();
l1_cache = SDL_GetCPUCacheLineSize();
const char *_vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
const char *_renderer = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
const char *_version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
strcpy(platform, SDL_GetPlatform());
strcpy(vendor, _vendor);
strcpy(renderer, _renderer);
strcpy(version, _version);
}
static void _sys_info_reset(void)
{
memset(sys_info_buffer,0,sizeof(sys_info_buffer));
_sys_info_printf("SDL information:\n"
"----------------\n"
"\n"
"SDL_GetPlatform(): %s\n\n"
"SDL_GetCPUCount(): %d (Number of logical CPU cores)\n"
#if SDL_VERSION_ATLEAST(2,0,1)
"SDL_GetSystemRAM(): %d MB\n"
#endif
"SDL_GetCPUCacheLineSize(): %d kB (Cache L1)\n\n",
SDL_GetPlatform(), SDL_GetCPUCount(),
#if SDL_VERSION_ATLEAST(2,0,1)
SDL_GetSystemRAM(),
#endif
SDL_GetCPUCacheLineSize() );
int total_secs, pct;
SDL_PowerState st = SDL_GetPowerInfo(&total_secs,&pct);
char * st_string;
switch(st)
{
default:
case SDL_POWERSTATE_UNKNOWN:
st_string = "SDL_POWERSTATE_UNKNOWN (cannot determine power status)";
break;
case SDL_POWERSTATE_ON_BATTERY:
st_string = "SDL_POWERSTATE_ON_BATTERY (not plugged in, running on battery)";
break;
case SDL_POWERSTATE_NO_BATTERY:
st_string = "SDL_POWERSTATE_NO_BATTERY (plugged in, no battery available)";
break;
case SDL_POWERSTATE_CHARGING:
st_string = "SDL_POWERSTATE_CHARGING (plugged in, charging battery)";
break;
case SDL_POWERSTATE_CHARGED:
st_string = "SDL_POWERSTATE_CHARGED (plugged in, battery charged)";
break;
}
unsigned int hours = ((unsigned int)total_secs)/3600;
unsigned int min = (((unsigned int)total_secs)-(hours*3600))/60;
unsigned int secs = (((unsigned int)total_secs)-(hours*3600)-(min*60));
_sys_info_printf("SDL_GetPowerInfo():\n %s\n Time left: %d:%02d:%02d\n Percentage: %3d%%\n\n",
st_string,hours,min,secs,pct);
#ifdef ENABLE_OPENGL
_sys_info_printf("OpenGL information:\n"
"-------------------\n"
"\n"
"GL_RENDERER = %s\n"
"GL_VERSION = %s\n"
"GL_VENDOR = %s\n"
"GL_EXTENSIONS = ",
(char*)glGetString(GL_RENDERER),(char*)glGetString(GL_VERSION),
(char*)glGetString(GL_VENDOR));
_sys_info_print((char*)glGetString(GL_EXTENSIONS));
#endif
_sys_info_printf("\n\nEND LOG\n");
}
int System::GetCacheSize()
{
return SDL_GetCPUCacheLineSize();
}
static mrb_value
mrb_sdl2_cpuinfo_cache_line_size(mrb_state *mrb, mrb_value self)
{
int result = SDL_GetCPUCacheLineSize();
return mrb_fixnum_value(result);
}
