diff options
| author | Matt Atwood <matthew.s.atwood@intel.com> | 2014-05-02 09:44:44 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-05-22 10:17:16 -0700 |
| commit | a2fb71e23bced3f3585e91726590efe6034a10ed (patch) | |
| tree | 1c97317b16355bc29ebc76f1649cab5acee52067 | |
| parent | 8b9302f2b4b0536abb91cb73682ec13640fe9eaf (diff) | |
mesa/x86: add SSE4.1 runtime detection.
Add a bit to _mesa_x86_features for SSE 4.1, along with macros to query.
Reviewed-by: Matt Turner <mattst88@gmail.com>
| -rw-r--r-- | src/mesa/x86/common_x86.c | 6 | ||||
| -rw-r--r-- | src/mesa/x86/common_x86_features.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c index a91f07e2e89..08b1558975a 100644 --- a/src/mesa/x86/common_x86.c +++ b/src/mesa/x86/common_x86.c @@ -241,6 +241,7 @@ _mesa_get_x86_features(void) /* get cpu features */ cpu_features = _mesa_x86_cpuid_edx(1); + cpu_features_ecx = _mesa_x86_cpuid_ecx(1); if (cpu_features & X86_CPU_FPU) _mesa_x86_cpu_features |= X86_FEATURE_FPU; @@ -257,6 +258,8 @@ _mesa_get_x86_features(void) _mesa_x86_cpu_features |= X86_FEATURE_XMM; if (cpu_features & X86_CPU_XMM2) _mesa_x86_cpu_features |= X86_FEATURE_XMM2; + if (cpu_features & x86_CPU_SSE4_1) + _mesa_x86_features |= X86_FEATURE_SSE4_1; #endif /* query extended cpu features */ @@ -341,6 +344,9 @@ _mesa_get_x86_features(void) _mesa_x86_cpu_features |= X86_FEATURE_XMM | X86_FEATURE_XMM2; __get_cpuid(1, &eax, &ebx, &ecx, &edx); + + if (ecx & bit_SSE4_1) + _mesa_x86_cpu_features |= X86_FEATURE_SSE4_1; #endif /* USE_X86_ASM */ (void) detection_debug; diff --git a/src/mesa/x86/common_x86_features.h b/src/mesa/x86/common_x86_features.h index 86254844034..66f2cf651c2 100644 --- a/src/mesa/x86/common_x86_features.h +++ b/src/mesa/x86/common_x86_features.h @@ -43,6 +43,7 @@ #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) /* standard X86 CPU features */ #define X86_CPU_FPU (1<<0) @@ -50,6 +51,8 @@ #define X86_CPU_MMX (1<<23) #define X86_CPU_XMM (1<<25) #define X86_CPU_XMM2 (1<<26) +/* ECX. */ +#define X86_CPU_SSE4_1 (1<<19) /* extended X86 CPU features */ #define X86_CPUEXT_MMX_EXT (1<<22) @@ -62,6 +65,7 @@ #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_sse4_1 (_mesa_x86_cpu_features & X86_FEATURE_SSE4_1) #endif |