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authorChad Versace <chad@chad-versace.us>2011-09-27 13:53:11 -0700
committerChad Versace <chad@chad-versace.us>2011-09-28 11:29:52 -0700
commita1eff5570f5e3f893fe4d453aef5ce143712ab09 (patch)
tree603b8e0db9e686558f5fcab3a6365fa84a89e0f1 /docs
parent124fc96ddf2695b4eca1a9b373f33cb993de9f6a (diff)
mesa: Allow overriding GLSL version with environment variable
Override the context's GLSL version if the environment variable MESA_GLSL_VERSION_OVERRIDE is set. Valid values for MESA_GLSL_VERSION_OVERRIDE are integers, such as "130". MESA_GLSL_VERSION_OVERRIDE has the same behavior as INTEL_GLSL_VERSION, except that it applies to all drivers, not just Intel's. Since the former supercedes the latter, this patch disables the latter. Reviewed-by: Dave Airlie <airlied@gmail.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Signed-off-by: Chad Versace <chad@chad-versace.us>
Diffstat (limited to 'docs')
-rw-r--r--docs/envvars.html4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/envvars.html b/docs/envvars.html
index 6402ec50727..8c5c6abf74c 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -62,6 +62,10 @@ This is a work-around for that.
glGetString(GL_VERSION). Valid values are point-separated version numbers,
such as "3.0". Mesa will not really implement all the features of the given
version if it's higher than what's normally reported.
+<li>MESA_GLSL_VERSION_OVERRIDE - changes the value returned by
+glGetString(GL_SHADING_LANGUAGE_VERSION). Valid values are integers, such as
+"130". Mesa will not really implement all the features of the given language version
+if it's higher than what's normally reported. (for developers only)
<li>MESA_GLSL - <a href="shading.html#envvars">shading language compiler options</a>
</ul>