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authorBrian Paul <brianp@vmware.com>2013-06-07 10:12:28 -0600
committerBrian Paul <brianp@vmware.com>2013-06-07 10:12:32 -0600
commit90fa71b277e9d4be71a1edf5bc2f2caf7eed0b23 (patch)
tree77aae7f5f2dd036017028a3d0470aa6d472ed025 /docs
parent3069357ef0cfa112c3c77a25c010df7f9af4467d (diff)
docs: update some environment variable info
Drop the GALLIUM_NOSSE/PPC env vars, added ST_DEBUG and some of the VMware SVGA driver env vars.
Diffstat (limited to 'docs')
-rw-r--r--docs/envvars.html17
1 files changed, 13 insertions, 4 deletions
diff --git a/docs/envvars.html b/docs/envvars.html
index 389da62e6e8..67d8e292bb0 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -153,10 +153,6 @@ Mesa EGL supports different sets of environment variables. See the
rather than stderr.
<li>GALLIUM_PRINT_OPTIONS - if non-zero, print all the Gallium environment
variables which are used, and their current values.
-<li>GALLIUM_NOSSE - if non-zero, do not use SSE runtime code generation for
- shader execution
-<li>GALLIUM_NOPPC - if non-zero, do not use PPC runtime code generation for
- shader execution
<li>GALLIUM_DUMP_CPU - if non-zero, print information about the CPU on start-up
<li>TGSI_PRINT_SANITY - if set, do extra sanity checking on TGSI shaders and
print any errors to stderr.
@@ -164,6 +160,9 @@ Mesa EGL supports different sets of environment variables. See the
<LI>DRAW_NO_FSE - ???
<li>DRAW_USE_LLVM - if set to zero, the draw module will not use LLVM to execute
shaders, vertex fetch, etc.
+<li>ST_DEBUG - controls debug output from the Mesa/Gallium state tracker.
+Setting to "tgsi", for example, will print all the TGSI shaders.
+See src/mesa/state_tracker/st_debug.c for other options.
</ul>
<h3>Softpipe driver environment variables</h3>
@@ -190,6 +189,16 @@ Mesa EGL supports different sets of environment variables. See the
cores present.
</ul>
+<h3>VMware SVGA driver environment variables</h3>
+<ul>
+<li>SVGA_FORCE_SWTNL - force use of software vertex transformation
+<li>SVGA_NO_SWTNL - don't allow software vertex transformation fallbacks
+(will often result in incorrect rendering).
+<li>SVGA_DEBUG - for dumping shaders, constant buffers, etc. See the code
+for details.
+<li>See the driver code for other, lesser-used variables.
+</ul>
+
<p>
Other Gallium drivers have their own environment variables. These may change