public GLPBRenderTexture(GLPBRTTManager manager, string name, GLSurfaceDesc target, bool writeGamma, int fsaa)
: base(name, target, writeGamma, fsaa)
{
this.manager = manager;
this.pbFormat = PixelUtil.GetComponentType(target.Buffer.Format);
manager.RequestPBuffer(this.pbFormat, Width, Height);
}