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Kenneth Graunke authored
Traditionally, we've hardcoded "URB Entry Read Offset" to 1 (which represents 2 vec4 varying slots) to skip over the 8 DWord VUE header. In order to support ARB_fragment_layer_viewport, we'll need to read from that header. This patch adds the basic plumbing necessary to calculate a value dynamically and hook it up in the SBE packets. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
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