Duality.Resources.ShaderProgram.AttachShaders C# (CSharp) Method

        public void AttachShaders(ContentRef<VertexShader> v, ContentRef<FragmentShader> f, ContentRef<GeometryShader> g = new ContentRef<GeometryShader>())
        {
            DualityApp.GuardSingleThreadState();

            if (this.glProgramId == 0)	this.glProgramId = GL.CreateProgram();
            else						this.DetachShaders();

            this.compiled = false;
            this.vert = v;
            this.frag = f;
            this.geom = g;

            // Assure all shaders are compiled
            if (this.vert.IsAvailable) this.vert.Res.Compile();
            if (this.frag.IsAvailable) this.frag.Res.Compile();
            if (this.geom.IsAvailable) this.geom.Res.Compile();

            // Attach all shaders
            if (this.vert.IsAvailable) GL.AttachShader(this.glProgramId, this.vert.Res.OglShaderId);
            if (this.frag.IsAvailable) GL.AttachShader(this.glProgramId, this.frag.Res.OglShaderId);
            if (this.geom.IsAvailable) GL.AttachShader(this.glProgramId, this.geom.Res.OglShaderId);
        }

        protected override void OnCopyDataTo(object target, ICloneOperation operation)
        {
            base.OnCopyDataTo(target, operation);
            ShaderProgram targetShader = target as ShaderProgram;

            targetShader.AttachShaders();
            targetShader.Compile();
        }