[Bug 39978] New: emulated_textureram has no sense. It is always real VideoMemory

https://bugs.winehq.org/show_bug.cgi?id=39978

            Bug ID: 39978
           Summary: emulated_textureram has no sense. It is always real
                    VideoMemory
           Product: Wine
           Version: 1.9.1
          Hardware: x86
                OS: Mac OS X
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs(a)winehq.org
          Reporter: isakov-sl(a)bk.ru

Created attachment 53416
  --> https://bugs.winehq.org/attachment.cgi?id=53416
change key name to be different form native

Current wine has a reading from registry
~~~
        if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
        {
            int TmpVideoMemorySize = atoi(buffer);
            if(TmpVideoMemorySize > 0)
            {
                wined3d_settings.emulated_textureram =
(UINT64)TmpVideoMemorySize *1024*1024;
                TRACE("Use %iMiB = 0x%s bytes for emulated_textureram\n",

~~~
assuming user can change this value. 
It doesn't happen.
The value will change to real value before this reading will occur.
There must be other registry key, for example "EmuVideoMemorySize".
In this case this method is working. The patch attached.

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