diff options
Diffstat (limited to 'intern/cycles/util/util_system.cpp')
| -rw-r--r-- | intern/cycles/util/util_system.cpp | 61 |
1 files changed, 32 insertions, 29 deletions
diff --git a/intern/cycles/util/util_system.cpp b/intern/cycles/util/util_system.cpp index 7c0445577e2..cc88320b68e 100644 --- a/intern/cycles/util/util_system.cpp +++ b/intern/cycles/util/util_system.cpp @@ -11,11 +11,12 @@ * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and - * limitations under the License + * limitations under the License. */ #include "util_system.h" #include "util_types.h" +#include "util_string.h" #ifdef _WIN32 #if(!defined(FREE_WINDOWS)) @@ -75,14 +76,6 @@ static void __cpuid(int data[4], int selector) } #endif -static void replace_string(string& haystack, const string& needle, const string& other) -{ - size_t i; - - while((i = haystack.find(needle)) != string::npos) - haystack.replace(i, needle.length(), other); -} - string system_cpu_brand_string() { char buf[48]; @@ -98,10 +91,7 @@ string system_cpu_brand_string() string brand = buf; /* make it a bit more presentable */ - replace_string(brand, "(TM)", ""); - replace_string(brand, "(R)", ""); - - brand = string_strip(brand); + brand = string_remove_trademark(brand); return brand; } @@ -127,6 +117,7 @@ struct CPUCapabilities { bool sse42; bool sse4a; bool avx; + bool f16c; bool avx2; bool xop; bool fma3; @@ -135,24 +126,42 @@ struct CPUCapabilities { bool bmi2; }; +static void system_cpu_capabilities_override(CPUCapabilities *caps) +{ + /* Only capabilities which affects on cycles kernel. */ + if(getenv("CYCLES_CPU_NO_AVX2")) { + caps->avx2 = false; + } + if(getenv("CYCLES_CPU_NO_AVX")) { + caps->avx = false; + } + if(getenv("CYCLES_CPU_NO_SSE41")) { + caps->sse41 = false; + } + if(getenv("CYCLES_CPU_NO_SSE3")) { + caps->sse3 = false; + } + if(getenv("CYCLES_CPU_NO_SSE2")) { + caps->sse2 = false; + } + if(getenv("CYCLES_CPU_NO_SSE")) { + caps->sse = false; + } +} + static CPUCapabilities& system_cpu_capabilities() { static CPUCapabilities caps; static bool caps_init = false; if(!caps_init) { - int result[4], num; //, num_ex; + int result[4], num; memset(&caps, 0, sizeof(caps)); __cpuid(result, 0); num = result[0]; -#if 0 - __cpuid(result, 0x80000000); - num_ex = result[0]; -#endif - if(num >= 1) { __cpuid(result, 0x00000001); caps.mmx = (result[3] & ((int)1 << 23)) != 0; @@ -184,21 +193,15 @@ static CPUCapabilities& system_cpu_capabilities() caps.avx = (xcr_feature_mask & 0x6) == 0x6; } + caps.f16c = (result[2] & ((int)1 << 29)) != 0; + __cpuid(result, 0x00000007); caps.bmi1 = (result[1] & ((int)1 << 3)) != 0; caps.bmi2 = (result[1] & ((int)1 << 8)) != 0; caps.avx2 = (result[1] & ((int)1 << 5)) != 0; } -#if 0 - if(num_ex >= 0x80000001) { - __cpuid(result, 0x80000001); - caps.x64 = (result[3] & ((int)1 << 29)) != 0; - caps.sse4a = (result[2] & ((int)1 << 6)) != 0; - caps.fma4 = (result[2] & ((int)1 << 16)) != 0; - caps.xop = (result[2] & ((int)1 << 11)) != 0; - } -#endif + system_cpu_capabilities_override(&caps); caps_init = true; } @@ -232,7 +235,7 @@ bool system_cpu_support_avx() bool system_cpu_support_avx2() { CPUCapabilities& caps = system_cpu_capabilities(); - return caps.sse && caps.sse2 && caps.sse3 && caps.ssse3 && caps.sse41 && caps.avx && caps.avx2 && caps.fma3 && caps.bmi1 && caps.bmi2; + return caps.sse && caps.sse2 && caps.sse3 && caps.ssse3 && caps.sse41 && caps.avx && caps.f16c && caps.avx2 && caps.fma3 && caps.bmi1 && caps.bmi2; } #else |