re animation with xputimage in article apr infodev cam ac uk dcr mail ast cam ac uk derek c richardson writes two years ago i wrote a sunview application for fast animation of raster files with sunview becoming rapidly obselete i ve finally decided to rewrite everything from scratch in xview i put together a quick test and i ve found that xputimage is considerably slower factor of on average than the sunview command pw rop which moves image data from memory pixrects to a canvas this was on a sparc ipx it seems that the x protocol communication is slowing things down or xputimage is inefficient or both my question is what the protocol has to move the whole image from process memory to server memory this is the hog the conversions in the xputimage are fast is the fastest way in x r to dump plane image data to a window can i take advantage of the fact that the client is running on the same machine as the server or am i stuck with yes by utilizing the mit shm extension that provides an xputimage derivate that uses shared memory fine fast xputimage in which case i might as well give up now no you can still xputimage all of the frames onto pixmaps thus moving them to server memory and then replay them fastest using xcopyarea but be aware this is a major server memory bummer o o o brain inside o o o o andre beck abpsoft mehl andre beck irs inf tu dresden de o o o
