RadeonSI HyperZ Support Patches Made Available
As shown in our recent open-source GPU driver comparison, the RadeonSI Gallium3D driver still has a long ways to mature to be more competitive against the R600g driver and the Catalyst binary driver. Fortunately, one of the major 3D performance-boosting features (HyperZ) appeared on Tuesday in mailing list patch form.
Andreas Hartmetz has proposed a set of RadeonSI HTILE patches that provide HyperZ support but without fast-clear for the Radeon HD 7000 series hardware and newer. Andreas is reporting that HyperZ is indeed boosting the RadeonSI's performance when testing on a Radeon HD 7750.
The current four RadeonSI HyperZ patches can be found on the mailing list. Plenty more information on ATI/AMD HyperZ is available from the other HyperZ coverage and benchmarks.
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