diff options
| -rw-r--r-- | Alc/helpers.c | 33 | ||||
| -rw-r--r-- | CMakeLists.txt | 5 | ||||
| -rw-r--r-- | config.h.in | 6 |
3 files changed, 44 insertions, 0 deletions
diff --git a/Alc/helpers.c b/Alc/helpers.c index 262c2551..6eff516e 100644 --- a/Alc/helpers.c +++ b/Alc/helpers.c @@ -54,6 +54,9 @@ DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, #ifdef HAVE_DLFCN_H #include <dlfcn.h> #endif +#ifdef HAVE_INTRIN_H +#include <intrin.h> +#endif #ifdef HAVE_CPUID_H #include <cpuid.h> #endif @@ -109,6 +112,36 @@ void FillCPUCaps(ALuint capfilter) #endif } } +#elif defined(HAVE___CPUID) + union { + int regs[4]; + char str[sizeof(int[4])]; + } cpuinf[3]; + unsigned int maxfunc = 0; + unsigned int maxextfunc = 0; + + (__cpuid)(cpuinf[0].regs, 0); + maxfunc = cpuinf[0].regs[0]; + + (__cpuid)(cpuinf[0].regs, 0x80000000); + maxextfunc = cpuinf[0].regs[0]; + TRACE("Detected max CPUID function: 0x%x (ext. 0x%x)\n", maxfunc, maxextfunc); + + TRACE("Vendor ID: \"%.4s%.4s%.4s\"\n", cpuinf[0].str+4, cpuinf[0].str+12, cpuinf[0].str+8); + if(maxextfunc >= 0x80000004) + { + (__cpuid)(cpuinf[0].regs, 0x80000002); + (__cpuid)(cpuinf[1].regs, 0x80000003); + (__cpuid)(cpuinf[2].regs, 0x80000004); + TRACE("Name: \"%.16s%.16s%.16s\"\n", cpuinf[0].str, cpuinf[1].str, cpuinf[2].str); + } + + if(maxfunc >= 1) + { + (__cpuid)(cpuinf[0].regs, 1); + if((cpuinf[0].regs[3]&(1<<25))) + caps |= CPU_CAP_SSE; + } #endif #endif #ifdef HAVE_NEON diff --git a/CMakeLists.txt b/CMakeLists.txt index f8ba10e2..04d8f9c0 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -191,6 +191,8 @@ IF(WIN32) MESSAGE(STATUS "Could not find Wine header files" ) ENDIF() ENDIF() + + CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H) ELSE() SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") # Yes GCC, really don't accept visibility modes you don't support @@ -278,6 +280,9 @@ IF(HAVE_FLOAT_H) CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP) CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2) ENDIF() +IF(HAVE_INTRIN_H) + CHECK_SYMBOL_EXISTS(__cpuid intrin.h HAVE___CPUID) +ENDIF() CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF) CHECK_FUNCTION_EXISTS(stat HAVE_STAT) diff --git a/config.h.in b/config.h.in index 75d7a790..3c2609f5 100644 --- a/config.h.in +++ b/config.h.in @@ -100,6 +100,9 @@ /* Define if we have the floorf function */ #cmakedefine HAVE_FLOORF +/* Define if we have the __cpuid function */ +#cmakedefine HAVE___CPUID + /* Define if we have the strtof function */ #cmakedefine HAVE_STRTOF @@ -145,6 +148,9 @@ /* Define if we have initguid.h */ #cmakedefine HAVE_INITGUID_H +/* Define if we have intrin.h */ +#cmakedefine HAVE_INTRIN_H + /* Define if we have ieeefp.h */ #cmakedefine HAVE_IEEEFP_H |