if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
__glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
__glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");