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include/cinder/System.h

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00001 /*
00002  Copyright (c) 2010, The Barbarian Group
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
00006  the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
00009     the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
00012 
00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00020  POSSIBILITY OF SUCH DAMAGE.
00021 */
00022 
00023 #pragma once
00024 
00025 #include "cinder/Cinder.h"
00026 
00027 namespace cinder { 
00028 
00031 class System {
00032  public:
00034     static bool         hasSse2();
00036     static bool         hasSse3();
00038     static bool         hasSse4_1();
00040     static bool         hasSse4_2();
00042     static bool         hasX86_64();
00044     static int          getNumCpus();
00046     static int          getNumCores();
00047 #if ! defined( CINDER_COCOA_TOUCH ) 
00048 
00049 
00050     static int          getOsMajorVersion();
00053     static int          getOsMinorVersion();    
00056     static int          getOsBugFixVersion();
00057 #endif //! defined( CINDER_COCOA_TOUCH )    
00058  private:
00059      enum { HAS_SSE2, HAS_SSE3, HAS_SSE4_1, HAS_SSE4_2, HAS_X86_64, PHYSICAL_CPUS, LOGICAL_CPUS, OS_MAJOR, OS_MINOR, OS_BUGFIX, TOTAL_CACHE_TYPES };
00060 
00061     System();
00062     static shared_ptr<System>       instance();
00063     static shared_ptr<System>       sInstance;
00064 
00065     bool                mCachedValues[TOTAL_CACHE_TYPES];
00066     bool                mHasSSE2, mHasSSE3, mHasSSE4_1, mHasSSE4_2, mHasX86_64;
00067     int                 mPhysicalCPUs, mLogicalCPUs;
00068     int32_t             mOSMajorVersion, mOSMinorVersion, mOSBugFixVersion;
00069 #if defined( CINDER_MSW )
00070     uint32_t            mCPUID_EBX, mCPUID_ECX, mCPUID_EDX;
00071 #endif 
00072 };
00073 
00074 class SystemExc : public std::exception {
00075 };
00076 
00077 class SystemExcFailedQuery : public SystemExc {
00078 };
00079 
00080 } // namespace cinder