Microsoft.Xna.Framework.Graphics.SpriteBatch.Setup C# (CSharp) Method

		void Setup() 
        {
            var gd = GraphicsDevice;
			gd.BlendState = _blendState;
			gd.DepthStencilState = _depthStencilState;
			gd.RasterizerState = _rasterizerState;
			gd.SamplerStates[0] = _samplerState;
			
            // Setup the default sprite effect.
			var vp = gd.Viewport;

		    Matrix projection;
            Matrix.CreateOrthographicOffCenter(0, vp.Width, vp.Height, 0, -1, 0, out projection);
#if !DIRECTX
            // GL requires a half pixel offset to match DX.
            projection.M41 += -0.5f * projection.M11;
            projection.M42 += -0.5f * projection.M22;
#endif
            Matrix.Multiply(ref _matrix, ref projection, out projection);

            _matrixTransform.SetValue(projection);
            _spritePass.Apply();
		}