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authorChris Robinson <[email protected]>2012-10-07 08:18:22 -0700
committerChris Robinson <[email protected]>2012-10-07 08:18:22 -0700
commit65c7c468cc0847d66b2bfd1355a2d4cc49a458a5 (patch)
treee094c5273efe2f0309f4730912d5b8fe3fb60360
parentebdf6367597d6cad0d6b53a3186c9331b20c94dd (diff)
Use IsProcessorFeaturePresent to detect SSE on Windows
-rw-r--r--Alc/helpers.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/Alc/helpers.c b/Alc/helpers.c
index 262c2551..e84454fb 100644
--- a/Alc/helpers.c
+++ b/Alc/helpers.c
@@ -109,6 +109,16 @@ void FillCPUCaps(ALuint capfilter)
#endif
}
}
+#elif defined(HAVE_WINDOWS_H)
+ BOOL (WINAPI*IsProcessorFeaturePresent)(DWORD ProcessorFeature);
+ IsProcessorFeaturePresent = GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsProcessorFeaturePresent");
+ if(!IsProcessorFeaturePresent)
+ ERR("IsProcessorFeaturePresent not available; CPU caps not detected\n");
+ else
+ {
+ if(IsProcessorFeaturePresent(6/*PF_XMMI_INSTRUCTIONS_AVAILABLE*/))
+ caps |= CPU_CAP_SSE;
+ }
#endif
#endif
#ifdef HAVE_NEON