258    const struct gl_renderbuffer_attachment *att = ctx->DrawBuffer->Attachment;  in make_color_buffer_mask()  local
281       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
283       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
293             if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
295       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
297       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
301       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
303       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
307       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
309       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
313       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
315       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
317       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
319       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
327          if (buf != BUFFER_NONE && att[buf].Renderbuffer) {  in make_color_buffer_mask()