r500/regs/zb_depthpitch.txt

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Field Name Bits Default Description
DEPTHPITCH 13:2 0x0 Z buffer pitch in multiples of 4 pixels.
DEPTHMACROTILE 16 0x0 Specifies whether Z buffer is macro-tiled. macro-tiles are
2K aligned
POSSIBLE VALUES:
00 - macro tiling disabled
01 - macro tiling enabled
DEPTHMICROTILE 18:17 0x0 Specifies whether Z buffer is micro-tiled. micro-tiles is
32 bytes
POSSIBLE VALUES:
00 - 32 byte cache line is linear
01 - 32 byte cache line is tiled
02 - 32 byte cache line is tiled square (only applies to 16-bit pixels)
03 - Reserved
DEPTHENDIAN 20:19 0x0 Specifies endian control for the Z buffer.
POSSIBLE VALUES:
00 - No swap
01 - Word swap
02 - Dword swap
03 - Half Dword swap