private GLVersion GetMaximumSupportedProfile()
{
var window = ((AndroidWindow)this.WindowInfo);
var mode = new AndroidGraphicsMode(window.Display, (int)this.ContextRenderingApi, new GraphicsMode(32, 0, 0));
using (var context = new AndroidGraphicsContext(mode, window, this.GraphicsContext, GLVersion.ES2, GraphicsContextFlags.Embedded))
{
mode.Initialize(window.Display, (int)this.ContextRenderingApi);
window.CreateSurface(mode.Config);
context.MakeCurrent(window);
int versionMajor, versionMinor;
if (!OpenGLUtils.GetCurrentGLVersion(out versionMajor, out versionMinor))
{
versionMajor = 2;
versionMinor = 0;
}
context.MakeCurrent(null);
window.DestroySurface();
if (versionMajor == 3)
{
return (versionMinor >= 1) ? GLVersion.ES31 : GLVersion.ES3;
}
return GLVersion.ES2;
}
}
private GraphicsProfile GetMaximumSupportedProfile()
{
var profile = GraphicsProfile.Level_9_1;
var window = ((AndroidWindow)this.WindowInfo);
var mode = new AndroidGraphicsMode(window.Display, (int)this.ContextRenderingApi, new GraphicsMode(32, 0, 0));
using (var context = new AndroidGraphicsContext(mode, window, this.GraphicsContext, GLVersion.ES2, GraphicsContextFlags.Embedded))
{
mode.Initialize(window.Display, (int)this.ContextRenderingApi);
window.CreateSurface(mode.Config);
context.MakeCurrent(window);
var versionVendorText = GL.GetString(StringName.Version);
var match = MatchOpenGLVersion.Match(versionVendorText);
if (match.Success)
{
var versionText = match.Groups[1].Value;
if (versionText.StartsWith("2"))
{
profile = GraphicsProfile.Level_9_1;
}
else if (versionText.StartsWith("3.1"))
{
profile = GraphicsProfile.Level_10_0;
}
else if (versionText.StartsWith("3"))
{
profile = GraphicsProfile.Level_10_0;
}
}
context.MakeCurrent(null);
window.DestroySurface();
}
return profile;
}
