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1 #pragma once
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2 #include "OSAPI.h"
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3
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2152
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4 class OSInfo
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5 {
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6 public:
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7 inline static bool CanUseDirectDraw4()
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8 {
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9 if (Ready())
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10 return info.dwPlatformId != VER_PLATFORM_WIN32_NT || info.dwMajorVersion >= 4;
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11 return false;
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12 }
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13
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14 inline static bool CanUseDirectDraw2()
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15 {
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16 return true;
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17 }
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18
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19
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20 private:
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21 static bool initialized;
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22 static OSVERSIONINFOA info;
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23
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24 static bool Ready()
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25 {
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26 if (!initialized)
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27 {
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28 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
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29 if (GetVersionExA(&info))
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30 initialized = true;
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31 }
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32 return initialized;
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33 }
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34 }; |
