diff options
Diffstat (limited to 'dxr3cpu.h')
| -rw-r--r-- | dxr3cpu.h | 127 |
1 files changed, 75 insertions, 52 deletions
@@ -31,76 +31,99 @@ //! all possible cabs enum Cpu_cabs { - CC_MMX = 0x80000000, ///< Value for mmx - CC_3DNOW = 0x40000000, ///< Value for 3dnow - CC_MMXEXT = 0x20000000, ///< Value for mmx ext - CC_SSE = 0x10000000, ///< Value for sse - CC_SSE2 = 0x08000000 ///< Value for sse2 + CC_MMX = 0x80000000, ///< Value for mmx + CC_3DNOW = 0x40000000, ///< Value for 3dnow + CC_MMXEXT = 0x20000000, ///< Value for mmx ext + CC_SSE = 0x10000000, ///< Value for sse + CC_SSE2 = 0x08000000 ///< Value for sse2 }; // ================================== //! easy and fast access to all infos struct CPUInformation { - CPUInformation() - { - AMD = false; - INTEL = false; - MMX = false; - MMXEXT = false; - SSE = false; - SSE2 = false; - Now = false; - RDTSC = false; - HT = false; - AMD64Bit = false; - } - - char Vendor[16]; ///< vendorname - - bool AMD; ///< is it an AMD CPU? - bool INTEL; ///< is it an Intel CPU? - bool MMX; ///< is MMX-Technology supported? - bool MMXEXT; ///< are Extended MMX_MultimediaExtensions supported? - bool SSE; ///< is SSE-Technology supported? - bool SSE2; ///< is SSE2-Technology supported? - bool Now; ///< is 3DNow-Technology supported? - bool RDTSC; ///< is RDTSC-Technology supported? - bool HT; ///< is HyperThreading supported? - bool AMD64Bit; ///< is it a 64 bit machine? + CPUInformation() + { + AMD = false; + INTEL = false; + MMX = false; + MMXEXT = false; + SSE = false; + SSE2 = false; + Now = false; + RDTSC = false; + HT = false; + AMD64Bit = false; + } - uint32_t caps; ///< all features represanted as caps + char Vendor[16]; ///< vendorname + + bool AMD; ///< is it an AMD CPU? + bool INTEL; ///< is it an Intel CPU? + bool MMX; ///< is MMX-Technology supported? + bool MMXEXT; ///< is Extended MMX supported? + bool SSE; ///< is SSE-Technology supported? + bool SSE2; ///< is SSE2-Technology supported? + bool Now; ///< is 3DNow-Technology supported? + bool RDTSC; ///< is RDTSC-Technology supported? + bool HT; ///< is HyperThreading supported? + bool AMD64Bit; ///< is it a 64 bit machine? + + uint32_t caps; ///< all features represanted as caps }; // ================================== //! Grab some infos about the cpu(s) /*! - If you want to know what the cpu of the - target machine can do, this class is for you :) - It is used intern for the math and memcpy part. + If you want to know what the cpu of the + target machine can do, this class is for you :) + It is used intern for the math and memcpy part. */ class cDxr3CPU : public Singleton<cDxr3CPU> { public: - cDxr3CPU(); - ~cDxr3CPU() {} - - bool HasMMXSupport() const { return m_Info.MMX; } - bool HasSSESupport() const { return m_Info.SSE; } - bool HasSSE2Support() const { return m_Info.SSE2; } - bool Has3DNowSupport() const { return m_Info.Now; } - bool HasRDTSCSupport() const { return m_Info.RDTSC; } - bool HasHTSupport() const { return m_Info.HT; } - - inline CPUInformation GetInfos() const { return m_Info ;} - + cDxr3CPU(); + ~cDxr3CPU() {} + + bool HasMMXSupport() const + { + return m_Info.MMX; + } + bool HasSSESupport() const + { + return m_Info.SSE; + } + bool HasSSE2Support() const + { + return m_Info.SSE2; + } + bool Has3DNowSupport() const + { + return m_Info.Now; + } + bool HasRDTSCSupport() const + { + return m_Info.RDTSC; + } + bool HasHTSupport() const + { + return m_Info.HT; + } + + inline CPUInformation GetInfos() const + { + return m_Info; + } + private: - bool CheckCPUIDPresence(); + bool CheckCPUIDPresence(); + + // main function to get cpu(s) features + bool Cpuid(unsigned long function, unsigned long& out_eax, + unsigned long& out_ebx, unsigned long& out_ecx, + unsigned long& out_edx); - // main function to get cpu(s) features - bool Cpuid(unsigned long function, unsigned long& out_eax, unsigned long& out_ebx, unsigned long& out_ecx, unsigned long& out_edx); - - CPUInformation m_Info; + CPUInformation m_Info; }; #endif /*_DXR3_CPU_H_*/ |