255       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
257       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
261       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
263       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
267       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
269       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
273       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
275       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
279       if (att[BUFFER_FRONT_LEFT].Renderbuffer)  in make_color_buffer_mask()
281       if (att[BUFFER_BACK_LEFT].Renderbuffer)  in make_color_buffer_mask()
283       if (att[BUFFER_FRONT_RIGHT].Renderbuffer)  in make_color_buffer_mask()
285       if (att[BUFFER_BACK_RIGHT].Renderbuffer)  in make_color_buffer_mask()
292       else if (att[BUFFER_COLOR0 + drawbuffer].Renderbuffer) {  in make_color_buffer_mask()
332       else if (ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer && !ctx->RasterDiscard) {  in _mesa_ClearBufferiv()
495       else if (ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer && !ctx->RasterDiscard) {  in _mesa_ClearBufferfv()
598    if (ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer)  in _mesa_ClearBufferfi()
600    if (ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer)  in _mesa_ClearBufferfi()