test for required extensions in Cg renderer too

This commit is contained in:
Chris Forbes
2011-07-04 21:13:22 +12:00
committed by Paul Chote
parent dcd9627c22
commit 54dee43590

View File

@@ -11,6 +11,7 @@
using System;
using System.Drawing;
using System.IO;
using System.Linq;
using OpenRA.FileFormats.Graphics;
using Tao.Cg;
using Tao.OpenGl;
@@ -119,6 +120,23 @@ namespace OpenRA.Renderer.Cg
CheckGlError();
// Test for required extensions
var required = new string[]
{
"GL_ARB_vertex_program",
"GL_ARB_fragment_program",
"GL_ARB_vertex_buffer_object",
};
var extensions = Gl.glGetString(Gl.GL_EXTENSIONS);
var missingExtensions = required.Where( r => !extensions.Contains(r) ).ToArray();
if (missingExtensions.Any())
{
WriteGraphicsLog("Unsupported GPU: Missing extensions: {0}".F(string.Join(",", missingExtensions)));
throw new InvalidProgramException("Unsupported GPU. See graphics.log for details.");
}
windowSize = size;
cgContext = Tao.Cg.Cg.cgCreateContext();