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GL Renderer: Print available extensions on error and test for vbos.

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This commit is contained in:
Paul Chote
2010-11-22 11:44:43 +13:00
parent 730ed8c597
commit 6a28bcb49a
1 changed files with 18 additions and 4 deletions
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22
OpenRA.Renderer.Gl/GraphicsDevice.cs
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@@ -15,6 +15,7 @@ using OpenRA.FileFormats.Graphics;
using Tao.Cg;
using Tao.OpenGl;
using Tao.Sdl;
using System.Linq;
[assembly: Renderer(typeof(OpenRA.Renderer.Glsl.GraphicsDevice))]
@@ -86,12 +87,25 @@ namespace OpenRA.Renderer.Glsl
Gl.glEnableClientState( Gl.GL_TEXTURE_COORD_ARRAY );
CheckGlError();
Sdl.SDL_SetModState( 0 ); // i have had enough.
Sdl.SDL_SetModState( 0 );
// Test for required extensions
var required = new string[]
{
"GL_ARB_vertex_shader",
"GL_ARB_fragment_shader",
"GL_ARB_vertex_buffer_object",
};
var extensions = Gl.glGetString(Gl.GL_EXTENSIONS);
if (!extensions.Contains("GL_ARB_vertex_shader") || !extensions.Contains("GL_ARB_fragment_shader"))
throw new InvalidProgramException("Unsupported GPU. OpenRA requires the GL_ARB_vertex_shader and GL_ARB_fragment_shader extensions.");
if (required.Any(r => !extensions.Contains(r)))
{
Log.AddChannel("graphics", "graphics.log");
Log.Write("graphics", "Unsupported GPU: Missing extensions.");
Log.Write("graphics", "Available extensions:");
Log.Write("graphics", extensions);
throw new InvalidProgramException("Unsupported GPU. See graphics.log for details.");
}
}
public void EnableScissor( int left, int top, int width, int height )