29 lines
1.9 KiB
Plaintext
29 lines
1.9 KiB
Plaintext
Field Name Bits Default Description
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HZ_EN 0 0x0 Enable for hierarchical Z.
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POSSIBLE VALUES:
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00 - Disables Hyper-Z.
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01 - Enables Hyper-Z.
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HZ_MAX 1 0x0 Specifies whether to compute min or max z value
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POSSIBLE VALUES:
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00 - HZ block computes minimum z value
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01 - HZ block computes maximum z value
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HZ_ADJ 4:2 0x0 Specifies adjustment to get added or subtracted from
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computed z value
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POSSIBLE VALUES:
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00 - Add or Subtract 1/256 << ze
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01 - Add or Subtract 1/128 << ze
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02 - Add or Subtract 1/64 << ze
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03 - Add or Subtract 1/32 << ze
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04 - Add or Subtract 1/16 << ze
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05 - Add or Subtract 1/8 << ze
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06 - Add or Subtract 1/4 << ze
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07 - Add or Subtract 1/2 << ze
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HZ_Z0MIN 5 0x0 Specifies whether vertex 0 z contains minimum z value
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POSSIBLE VALUES:
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00 - Vertex 0 does not contain minimum z value
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01 - Vertex 0 does contain minimum z value
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HZ_Z0MAX 6 0x0 Specifies whether vertex 0 z contains maximum z value
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POSSIBLE VALUES:
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00 - Vertex 0 does not contain maximum z value
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01 - Vertex 0 does contain maximum z value
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