On Tue, Nov 26, 2013 at 08:51:17AM -0800, bradley.d.volkin@xxxxxxxxx wrote: > From: Brad Volkin <bradley.d.volkin@xxxxxxxxx> > > Certain OpenGL features (e.g. transform feedback, performance monitoring) > require userspace code to submit batches containing commands such as > MI_LOAD_REGISTER_IMM to access various registers. Unfortunately, some > generations of the hardware will noop these commands in "unsecure" batches > (which includes all userspace batches submitted via i915) even though the > commands may be safe and represent the intended programming model of the device. > > This series introduces a software command parser similar in operation to the > command parsing done in hardware for unsecure batches. However, the software > parser allows some operations that would be noop'd by hardware, if the parser > determines the operation is safe, and submits the batch as "secure" to prevent > hardware parsing. Currently the series implements this on IVB and HSW. Just one more question... Do you have a branch for people to test? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
