my program need to read data from display card,I use “glReadPixels()” to do it,but I found it only read 2M-3M bytes per second,the speed is too slow than my expectation,so how fast does AGP Bus read data?my test is correct?
my program need to read data from display card,I use “glReadPixels()” to do it,but I found it only read 2M-3M bytes per second,the speed is too slow than my expectation,so how fast does AGP Bus read data?my test is correct?