const __DRItexBufferExtension *tex_buffer;
const __DRIimageExtension *image;
const __DRIrobustnessExtension *robustness;
+ const __DRInoErrorExtension *no_error;
const __DRI2configQueryExtension *config;
const __DRI2fenceExtension *fence;
const __DRI2rendererQueryExtension *rendererQuery;