GL_MAX_PROGRAM_EXEC_INSTRUCTIONS_NV limitation "per pixel" or "per frame" ?
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From: Skybuck Flying on 23 Oct 2009 23:44 Hello, I have a little question about GL_MAX_PROGRAM_EXEC_INSTRUCTIONS_NV. On my NVIDIA GTX 7900 it returns: 4530371 Does this mean each fragment can execute 4.5 million instructions before being terminated ? Or does this mean all fragments together can execute at most 4.5 millions instructions before being terminated ? So is this limitation "per pixel" or "per frame" ??? Bye, Skybuck.
From: Skybuck Flying on 23 Oct 2009 23:49
Hmm to answer my own question... I guess it's per pixel... Since a frame can be 1920x1200 pixels... which would be: 2304000 So if it were 4.5 million in total.. then that would only be roughly 2 instructions per pixel which would be pretty crappy ;) So I think it's 4.5 million per pixel ! ;) Bye, Skybuck. |