gistfile1.txt

            public void Paint(IntPtr srcBuffer, int srcRowSpan, AweRect srcRect, AweRect destRect)
            {
                var graphics = GameSession.Current.Services.Get<GraphicsManager>();

                var pixelSize = srcRowSpan / srcRect.Width; //4

                var stream = new DataStream(srcBuffer, srcRect.Width * srcRect.Height * pixelSize, true, false);
                var box = new DataBox(srcRowSpan, 0, stream);
                
                graphics.Device.ImmediateContext.UpdateSubresource(box, texture, 0);