r500/regs/rs_inst.txt

31 lines
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Field Name Bits Default Description
TEX_ID 3:0 0x0 Specifies the index (into the RS_IP table) of the texture
address output during this rasterizer instruction
TEX_CN 4 0x0 Write enable for texture address
POSSIBLE VALUES:
00 - No write - texture coordinate not valid
01 - write - texture valid
TEX_ADDR 11:5 0x0 Specifies the destination address (within the current pixel
stack frame) of the texture address output during this
rasterizer instruction
COL_ID 15:12 0x0 Specifies the index (into the RS_IP table) of the color
output during this rasterizer instruction
COL_CN 17:16 0x0 Write enable for color
POSSIBLE VALUES:
00 - No write - color not valid
01 - write - color valid
02 - write fbuffer - XY00->RGBA
03 - write backface - B000->RGBA
COL_ADDR 24:18 0x0 Specifies the destination address (within the current pixel
stack frame) of the color output during this rasterizer
instruction
TEX_ADJ 25 0x0 Specifies whether to sample texture coordinates at the
real or adjusted pixel centers
POSSIBLE VALUES:
00 - Sample texture coordinates at real pixel centers
01 - Sample texture coordinates at adjusted pixel centers
W_CN 26 0x0 Specifies that the rasterizer should output w
POSSIBLE VALUES:
00 - No write - w not valid
01 - write - w valid