1418                     struct gl_framebuffer *drawBuffer,  in _mesa_make_current()  argument
1428    if (newCtx && drawBuffer && newCtx->WinSysDrawBuffer != drawBuffer) {  in _mesa_make_current()
1429       if (!check_compatible(newCtx, drawBuffer)) {  in _mesa_make_current()
1459       if (drawBuffer && readBuffer) {  in _mesa_make_current()
1460          ASSERT(_mesa_is_winsys_fbo(drawBuffer));  in _mesa_make_current()
1462          _mesa_reference_framebuffer(&newCtx->WinSysDrawBuffer, drawBuffer);  in _mesa_make_current()
1470             _mesa_reference_framebuffer(&newCtx->DrawBuffer, drawBuffer);  in _mesa_make_current()
1490          if (!drawBuffer->Initialized) {  in _mesa_make_current()
1491             initialize_framebuffer_size(newCtx, drawBuffer);  in _mesa_make_current()
1493          if (readBuffer != drawBuffer && !readBuffer->Initialized) {  in _mesa_make_current()
1512          ASSERT(drawBuffer->Width > 0);  in _mesa_make_current()
1513          ASSERT(drawBuffer->Height > 0);  in _mesa_make_current()
1516          if (drawBuffer) {  in _mesa_make_current()
1518                                       drawBuffer->Width, drawBuffer->Height);  in _mesa_make_current()