On 11/06/2014 04:18 AM, Timothy Arceri wrote: > Signed-off-by: Timothy Arceri <t_arc...@yahoo.com.au> > --- > configure.ac | 6 ++++++ > src/mesa/x86/common_x86.c | 4 ++++ > src/mesa/x86/common_x86_features.h | 4 +++- > 3 files changed, 13 insertions(+), 1 deletion(-) > > diff --git a/configure.ac b/configure.ac > index 03f1bca..cc0a661 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -258,6 +258,12 @@ if test "x$SSE41_SUPPORTED" = x1; then > fi > AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1]) > > +AX_CHECK_COMPILE_FLAG([-mssse3], [SSSE3_SUPPORTED=1], [SSSE3_SUPPORTED=0]) > +if test "x$SSSE3_SUPPORTED" = x1; then > + DEFINES="$DEFINES -DUSE_SSSE3" > +fi > +AM_CONDITIONAL([SSSE3_SUPPORTED], [test x$SSSE3_SUPPORTED = x1]) > +
Just so people can find things, the SSSE3 check should logically come before the SSE4.1 check. > dnl Can't have static and shared libraries, default to static if user > dnl explicitly requested. If both disabled, set to static since shared > dnl was explicitly requested. > diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c > index 25f5c40..ad0648a 100644 > --- a/src/mesa/x86/common_x86.c > +++ b/src/mesa/x86/common_x86.c > @@ -352,6 +352,10 @@ _mesa_get_x86_features(void) > > __get_cpuid(1, &eax, &ebx, &ecx, &edx); > > +#ifdef bit_SSSE3 > + if (ecx & bit_SSSE3) > + _mesa_x86_cpu_features |= X86_FEATURE_SSSE3; > +#endif > if (ecx & bit_SSE4_1) > _mesa_x86_cpu_features |= X86_FEATURE_SSE4_1; > } > diff --git a/src/mesa/x86/common_x86_features.h > b/src/mesa/x86/common_x86_features.h > index 66f2cf6..6eb2b38 100644 > --- a/src/mesa/x86/common_x86_features.h > +++ b/src/mesa/x86/common_x86_features.h > @@ -43,7 +43,8 @@ > #define X86_FEATURE_XMM2 (1<<6) > #define X86_FEATURE_3DNOWEXT (1<<7) > #define X86_FEATURE_3DNOW (1<<8) > -#define X86_FEATURE_SSE4_1 (1<<9) > +#define X86_FEATURE_SSSE3 (1<<9) > +#define X86_FEATURE_SSE4_1 (1<<10) > > /* standard X86 CPU features */ > #define X86_CPU_FPU (1<<0) > @@ -65,6 +66,7 @@ > #define cpu_has_xmm2 (_mesa_x86_cpu_features & X86_FEATURE_XMM2) > #define cpu_has_3dnow (_mesa_x86_cpu_features & > X86_FEATURE_3DNOW) > #define cpu_has_3dnowext (_mesa_x86_cpu_features & X86_FEATURE_3DNOWEXT) > +#define cpu_has_ssse3 (_mesa_x86_cpu_features & > X86_FEATURE_SSSE3) > #define cpu_has_sse4_1 (_mesa_x86_cpu_features & > X86_FEATURE_SSE4_1) > > #endif > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
