116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
#include "global.h"
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#include "VideoDriverInfo.h"
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#include "RageUtil.h"
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#include "RageLog.h"
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static CString GetRegValue( HKEY hKey, CString sName )
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{
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char szBuffer[MAX_PATH];
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DWORD nSize = sizeof(szBuffer)-1;
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if( RegQueryValueEx(hKey, sName, NULL, NULL, (LPBYTE)szBuffer, &nSize) == ERROR_SUCCESS )
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return szBuffer;
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else
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return "";
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}
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bool GetVideoDriverInfo9x( int iIndex, VideoDriverInfo& infoOut )
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{
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HKEY hkey;
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CString sKey = ssprintf("SYSTEM\\CurrentControlSet\\Services\\Class\\Display\\%04d",iIndex);
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if (RegOpenKey(HKEY_LOCAL_MACHINE, sKey, &hkey) != ERROR_SUCCESS)
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return false;
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infoOut.sDate = GetRegValue( hkey, "DriverDate");
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infoOut.sDescription = GetRegValue( hkey, "DriverDesc");
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infoOut.sDeviceID = GetRegValue( hkey, "MatchingDeviceId");
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infoOut.sProvider = GetRegValue( hkey, "ProviderName");
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infoOut.sVersion = GetRegValue( hkey, "Ver");
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RegCloseKey(hkey);
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return true;
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}
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bool GetVideoDriverInfo2k( int iIndex, VideoDriverInfo& infoOut )
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{
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HKEY hkey;
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CString sKey = ssprintf("SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E968-E325-11CE-BFC1-08002BE10318}\\%04d",iIndex);
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if (RegOpenKey(HKEY_LOCAL_MACHINE, sKey, &hkey) != ERROR_SUCCESS)
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return false;
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infoOut.sDate = GetRegValue( hkey, "DriverDate");
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infoOut.sDescription = GetRegValue( hkey, "DriverDesc");
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infoOut.sDeviceID = GetRegValue( hkey, "MatchingDeviceId");
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infoOut.sProvider = GetRegValue( hkey, "ProviderName");
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infoOut.sVersion = GetRegValue( hkey, "DriverVersion");
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RegCloseKey(hkey);
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return true;
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}
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// this will not work on 95 and NT b/c of EnumDisplayDevices
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CString GetPrimaryVideoName9xAnd2k()
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{
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typedef BOOL (WINAPI* pfnEnumDisplayDevices)(PVOID,DWORD,PDISPLAY_DEVICE,DWORD);
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pfnEnumDisplayDevices EnumDisplayDevices;
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HINSTANCE hInstUser32;
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hInstUser32 = LoadLibrary("User32.DLL");
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if( !hInstUser32 )
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return "";
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// VC6 don't have a stub to static link with, so link dynamically.
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EnumDisplayDevices = (pfnEnumDisplayDevices)GetProcAddress(hInstUser32,"EnumDisplayDevicesA");
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if( EnumDisplayDevices == NULL )
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{
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FreeLibrary(hInstUser32);
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return "";
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}
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CString sPrimaryDeviceName;
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for( DWORD i=0; true; i++ )
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{
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DISPLAY_DEVICE dd;
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ZERO( dd );
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dd.cb = sizeof(dd);
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if( !EnumDisplayDevices(NULL, i, &dd, 0) )
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break;
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if( dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE )
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{
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sPrimaryDeviceName = (char*)dd.DeviceString;
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break;
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}
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}
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FreeLibrary(hInstUser32);
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return sPrimaryDeviceName;
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}
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CString GetPrimaryVideoDriverInfo()
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{
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const CString sPrimaryDeviceName = GetPrimaryVideoName9xAnd2k();
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if( sPrimaryDeviceName != "" )
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return sPrimaryDeviceName;
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LOG->Warn("GetPrimaryVideoName9xAnd2k failed; renderer selection may be wrong");
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VideoDriverInfo info;
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if( !GetVideoDriverInfo(0, info) )
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RageException::Throw( "GetVideoDriverInfo(0) failed");
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return info.sDescription;
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}
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/* Get info for the given card number. Return false if that card doesn't exist. */
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bool GetVideoDriverInfo(int cardno, VideoDriverInfo &info)
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{
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OSVERSIONINFO version;
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version.dwOSVersionInfoSize=sizeof(version);
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GetVersionEx(&version);
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const bool bIsWin9x = version.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS;
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return (bIsWin9x ? GetVideoDriverInfo9x : GetVideoDriverInfo2k)(cardno,info);
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}
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