Minor fixes

Author: sadiuk

examples_tests/common/CommonAPI.h

@@ -392,7 +392,13 @@ class CommonAPI
 #ifdef _NBL_PLATFORM_WINDOWS_
 		caller = nbl::core::make_smart_refctd_ptr<nbl::system::CSystemCallerWin32>();
 #endif
-		return nbl::core::make_smart_refctd_ptr<nbl::system::ISystem>(std::move(caller));
+#ifdef _NBL_PLATFORM_WINDOWS_
+		return nbl::core::make_smart_refctd_ptr<nbl::system::CSystemWin32>(std::move(caller));
+#elif defined(_NBL_PLATFORM_ANDROID_)
+		return nbl::core::make_smart_refctd_ptr<nbl::system::CSystemAndroid>(std::move(caller));
+#else
+		return nullptr;
+#endif
 	}
 
 	struct QueueFamilyProps

include/nbl/system/CSystemWin32.h

@@ -24,6 +24,8 @@ class CSystemCallerWin32 final : public ISystemCaller
 
 class CSystemWin32 : public ISystem
 {
+public:
+    CSystemWin32(core::smart_refctd_ptr<ISystemCaller>&& caller) : ISystem(std::move(caller)) {}
     //LOL the struct definition wasn't added to winapi headers do they ask to declare them yourself
     typedef struct _PROCESSOR_POWER_INFORMATION {
         ULONG Number;
@@ -37,9 +39,10 @@ class CSystemWin32 : public ISystem
     SystemInfo getSystemInfo() const override
     {
         SystemInfo info;
-        PROCESSOR_POWER_INFORMATION cpuInfo;
-        CallNtPowerInformation(ProcessorInformation, nullptr, 0, &cpuInfo, sizeof(cpuInfo));
-        info.cpuFrequency = cpuInfo.MaxMhz;
+        LARGE_INTEGER speed;
+        QueryPerformanceFrequency(&speed);
+
+        info.cpuFrequency = speed.QuadPart;
 
         info.desktopResX = GetSystemMetrics(SM_CXSCREEN);
         info.desktopResY = GetSystemMetrics(SM_CYSCREEN);