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Added SDL_GetCPUCount() to see how many cores are available.

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404328
This commit is contained in:
Sam Lantinga 2009-12-16 06:53:53 +00:00
parent 3f0f9188ed
commit 29601c280b
9 changed files with 175 additions and 183 deletions
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1
include/SDL_config.h.in
View file

@ -150,6 +150,7 @@
#undef HAVE_SIGACTION
#undef HAVE_SETJMP
#undef HAVE_NANOSLEEP
#undef HAVE_SYSCTLBYNAME
#undef HAVE_CLOCK_GETTIME
#undef HAVE_GETPAGESIZE
#undef HAVE_MPROTECT

1
include/SDL_config_iphoneos.h
View file

@ -106,6 +106,7 @@ typedef unsigned long uintptr_t;
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCTLBYNAME 1
/* enable iPhone version of Core Audio driver */
#define SDL_AUDIO_DRIVER_COREAUDIOIPHONE 1

1
include/SDL_config_macosx.h
View file

@ -105,6 +105,7 @@
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCTLBYNAME 1
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_COREAUDIO 1

5
include/SDL_cpuinfo.h
View file

@ -39,6 +39,11 @@ extern "C" {
/* *INDENT-ON* */
#endif
/**
* This function returns the number of CPU cores available.
*/
extern DECLSPEC int SDLCALL SDL_GetCPUCount(void);
/**
* This function returns true if the CPU has the RDTSC instruction.
*/