12 lines
871 B
Plaintext
12 lines
871 B
Plaintext
Field Name Bits Default Description
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W_FMT 1:0 0x0 Format for W
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POSSIBLE VALUES:
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00 - W0 - W is always zero
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01 - W24 - 24-bit fixed point
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02 - W24_FP - 24-bit floating point. The floating point values are a special format that preserve sorting order when values are compared as integers, allowing higher precision in W without additional logic in other blocks.
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03 - Reserved
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W_SRC 2 0x0 Source for W
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POSSIBLE VALUES:
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00 - WSRC_US - W comes from shader instruction
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01 - WSRC_RAS - W comes from rasterizer
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