@echo off
title 自动禁用DirectDraw加速批处理
mode con:cols=55 lines=15
color 4e
:choice
echo.
echo    如果您想禁用DirectDraw,请运行本程序,并选择   "1"
echo.
echo    如果您不想禁用DirectDraw了,请记得再运行次本程序,并选择   "2"
echo.
echo    ****************************************************
echo.
echo    1）我想禁用DirectDraw。   
echo.   2）我不想禁用DirectDraw了。(恢复DirectDraw加速)
echo.
set choice=
Set /P Choice=   请选择后回车:
If "A%Choice%A"=="AA" goto 启用DirectDraw加速
If "A%Choice%A"=="A1A" GOTO 禁止DirectDraw加速
If "A%Choice%A"=="A2A" GOTO 启用DirectDraw加速
If /i "A%Choice%A"=="AexitA" exit
cls
goto choice

:启用DirectDraw加速
reg add "HKLM\SOFTWARE\Microsoft\Direct3D\Drivers" /v SoftwareOnly /t REG_DWORD /d 0 /f 0>nul 1>nul
reg add "HKLM\SOFTWARE\Microsoft\DirectDraw" /v EmulationOnly /t REG_DWORD /d 0 /f 0>nul 1>nul
gpupdate /force 0>nul 1>nul
goto :eof

:禁止DirectDraw加速
reg add "HKLM\SOFTWARE\Microsoft\Direct3D\Drivers" /v SoftwareOnly /t REG_DWORD /d 1 /f 0>nul 1>nul
reg add "HKLM\SOFTWARE\Microsoft\DirectDraw" /v EmulationOnly /t REG_DWORD /d 1 /f 0>nul 1>nul
gpupdate /force 0>nul 1>nul
goto :eof