protected static GLContextSpec GetVersionSpec(RendererOpenGLVersion version)
{
var spec = new GLContextSpec {
OpenGLVersion = version
};
switch (version)
{
case RendererOpenGLVersion.GL33:
spec.Major = 3;
spec.Minor = 3;
spec.Profile = GLContextProfile.Core;
spec.CreationApi = GLContextCreationApi.Native;
break;
case RendererOpenGLVersion.GL31:
spec.Major = 3;
spec.Minor = 1;
spec.Profile = GLContextProfile.Compatibility;
spec.CreationApi = GLContextCreationApi.Native;
break;
case RendererOpenGLVersion.GLES3:
spec.Major = 3;
spec.Minor = 0;
spec.Profile = GLContextProfile.Es;
// Initializing ES on Windows EGL so that we can use ANGLE.
spec.CreationApi = OperatingSystem.IsWindows()
? GLContextCreationApi.Egl
: GLContextCreationApi.Native;
break;
case RendererOpenGLVersion.GLES2:
spec.Major = 2;
spec.Minor = 0;
spec.Profile = GLContextProfile.Es;
// Initializing ES on Windows EGL so that we can use ANGLE.
spec.CreationApi = OperatingSystem.IsWindows()
? GLContextCreationApi.Egl
: GLContextCreationApi.Native;
break;
default:
throw new ArgumentOutOfRangeException();
}
return(spec);
}
public override GLContextSpec?SpecWithOpenGLVersion(RendererOpenGLVersion version)
{
// Do not initialize GL context on the window directly, we use ANGLE.
return(null);
}
public override GLContextSpec?SpecWithOpenGLVersion(RendererOpenGLVersion version)
{
return(null);
}
public abstract GLContextSpec?SpecWithOpenGLVersion(RendererOpenGLVersion version);
public override GLContextSpec?SpecWithOpenGLVersion(RendererOpenGLVersion version)
{
return(GetVersionSpec(version));
}
