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Graphics Register Reference
TVP4020
Programmers Reference Manual
248
Name:
Indirect handle for texture LUT
Unit:
Texture Read
Region: 0
Offset:
0x0000.8F78
Tag:
0x001EF
Reset Value:
Undefined
Read/write
0
8
16
24
31
24 bit unsigned integer
Reserved
System Memory
Reserved
The 24 bit field holds the address of the data that should be loaded into the
TexelLUTAddress register. If bit 30 is set this data is in system memory and should be
fetched across the PCI bus.
Name:
Index data for LUT
Unit:
Texture Read
Region: 0
Offset:
0x0000. 84C0
Tag:
0x00098
Reset Value:
Undefined
Read/write
0
8
16
24
31
Reserved
Index
The TexelLUTIndex register holds the index into the texel LUT where the write of
subsequent TexelLUTData will be written. The index is held in the lower 8 bits of the
TexelLUTIndex register and this is auto incremented after every write to TexelLUTData.
Reading back from TexelLUTIndex returns the auto incremented value, if any writes to
TexelLUTData have occured. A side effect of reading the TexelLUTIndex register is to
reset an internal counter used to generate the LUT index when reading TexelLUTData.
This internal counter will autoincrement after every read of TexelLUTData.
TexelLUTID
TexelLUTIndex
Summary of Contents for TVP4020 PERMEDIA 2
Page 1: ...Texas Instruments TVP4020 PERMEDIA 2 Programmer s Reference Manual Issue 4 ...
Page 284: ...TVP4020 Programmers Reference Manual A Gouraud Shaded Triangle 275 ...
Page 292: ...TVP4020 Programmers Reference Manual Register Tables 283 ...
Page 314: ...TVP4020 Programmers Reference Manual Index 305 ...
Page 315: ...Index TVP4020 Programmers Reference Manual 306 Index ...
Page 323: ...Index TVP4020 Programmers Reference Manual 314 ...