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emuhawk - fallback to gdi+ on systems with less than 2.0 opengl

This commit is contained in:
zeromus 2014-12-16 20:24:14 +00:00
parent facb9457b1
commit b3923283d2
2 changed files with 23 additions and 0 deletions
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11
BizHawk.Client.EmuHawk/Program.cs
View File

@ -95,12 +95,23 @@ namespace BizHawk.Client.EmuHawk
GlobalWin.CR_GL = GlobalWin.GLManager.GetContextForIGL(GlobalWin.GL);
//now create the "GL" context for the display method. we can reuse the IGL_TK context if opengl display method is chosen
REDO_DISPMETHOD:
if (Global.Config.DispMethod == Config.EDispMethod.GdiPlus)
GlobalWin.GL = new Bizware.BizwareGL.Drivers.GdiPlus.IGL_GdiPlus();
else if (Global.Config.DispMethod == Config.EDispMethod.SlimDX9)
GlobalWin.GL = new Bizware.BizwareGL.Drivers.SlimDX.IGL_SlimDX9();
else
{
GlobalWin.GL = GlobalWin.IGL_GL;
//check the opengl version and dont even try to boot this crap up if its too old
int version = GlobalWin.IGL_GL.Version;
if (version < 200)
{
//fallback
Global.Config.DispMethod = Config.EDispMethod.GdiPlus;
goto REDO_DISPMETHOD;
}
}
//WHY do we have to do this? some intel graphics drivers (ig7icd64.dll 10.18.10.3304 on an unknown chip on win8.1) are calling SetDllDirectory() for the process, which ruins stuff.
//The relevant initialization happened just before in "create IGL context".

12
Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
View File

@ -44,6 +44,18 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
public string API { get { return "OPENGL"; } }
public int Version
{
get
{
int major, minor;
//other overloads may not exist...
GL.GetInteger(GetPName.MajorVersion, out major);
GL.GetInteger(GetPName.MajorVersion, out minor);
return major * 100 + minor * 10;
}
}
public IGL_TK()
{
//make an 'offscreen context' so we can at least do things without having to create a window