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-rw-r--r--docs/README.3DFX14
1 files changed, 10 insertions, 4 deletions
diff --git a/docs/README.3DFX b/docs/README.3DFX
index 15888c30d9..b419f83586 100644
--- a/docs/README.3DFX
+++ b/docs/README.3DFX
@@ -74,7 +74,7 @@ Environment variables:
----------------------
The following environment variables affect MesaFX. Those that affect Glide
-only, are beyond the scope of this file. Entries that don't have a "Value"
+only, are beyond the scope of this section. Entries that don't have a "Value"
field, can have any value whatsoever
ex: set MESA_FX_IGNORE_CMBEXT=y
@@ -89,7 +89,7 @@ default values. Use them only when you experience crashes or strange behavior.
FX_GLIDE_NUM_TMU
OS: all
- HW: 2 TMU cards (Voodoo2, Avenger, Napalm)
+ HW: dual-TMU cards (some Voodoo1, Voodoo2, Avenger, Napalm)
Desc: force single-TMU
Note: (*)
Value: "1"
@@ -137,6 +137,11 @@ MESA_FX_INFO
HW: all
Desc: verbose to stderr
Value: any; special value "r" to redirect stderr to MESA.LOG
+MESA_FX_POINTCAST
+ OS: all
+ HW: dual-TMU cards (some Voodoo1, Voodoo2, Avenger, Napalm)
+ Desc: try to use pointcast palette
+ Note: may give adverse effects on UMA cards (Avenger, Napalm)
MESA_FX_IGNORE_PALEXT
OS: all
HW: all
@@ -153,8 +158,9 @@ MESA_FX_IGNORE_CMBEXT
OS: all
HW: Napalm
Desc: disable Napalm combiners (color/alpha/texture)
- Note: this means advanced (multi)texturing modes won't
- work, but disabling this turns on REAL trilinear
+ Note: this option allows dual-TMU cards perform single-pass
+ trilinear, but some advanced (multi)texturing modes
+ won't work (GL_EXT_texture_env_combine)
MESA_FX_IGNORE_MIREXT
OS: all
HW: all