> > > > What kind of shared memory is used by wayland? > > > > sysv shm? gbm buffers / dmabufs? > > > > > > Typically, shared memory for CPU-rendered content, and dmabufs for > > > GPU-rendered content. > > > > Ok. I guess solving this for virtio-gpu (with virgl enabled) is easiest > > then. Due to opengl rendering being offloaded to the host gpu the > > guest window content already is in a host gpu buffer. > > Yes, besides, we already have virtio-gpu in place which can be improved as > needed. > > I'm more worried about CPU-rendered buffers, as the client is just putting > in the socket the output of shm_open or similar. There I don't see any easy > solution which is why I tried to get more "creative". Will clients actually use cpu rendering of opengl is available? Can clients cpu-render into dumb drm buffers? cheers, Gerd
