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authorSven Gothel <[email protected]>2010-12-19 00:45:18 +0100
committerSven Gothel <[email protected]>2010-12-19 00:45:18 +0100
commit5166d6a6b617ccb15c40fcb8d4eac2800527aa7b (patch)
tree7a9debae4db5929e4e9e8351e2c5cd778c40c64c /make/newtversion
parent5f67805a1cba7390cde0f862cbe4d4fcce3396ee (diff)
Adding NVIDIA 'Threaded optimization' workaround/fix at initialization on Windows for javaws/applets.
It has been observed that for some combinations, eg: - Windows 7 64bit (other variants may apply too) - NVIDIA 8600M GT - 260.99 the NVIDIA setting of 'Threaded optimization' := 'auto' (default) causes the JVM to simply crash in case of javaws and [jnlp] applets. 'Threaded Optimization' := 'off' works reliable 'Threaded Optimization' := 'on' never works with javaws and applets on the above configuration A user could workaround this by setting 'Threaded Optimization' := 'off', however, this would disable many users on the spot, since you cannot ask the average user for such a task, if she only wants to see a web page. This patch 'fixes' the 'auto' mode by running the eager GL profile initialization within a block of single CPU affinity: SetProcessAffinityMask(pid, 1); try { initProfilesForDeviceImpl(device); } finally { SetProcessAffinityMask(pid, sysValue); } Hopefully we can remove this hack with a driver fix. However this workaround is as little invasive as possible.
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