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authormarha <marha@users.sourceforge.net>2012-10-01 12:04:07 +0200
committermarha <marha@users.sourceforge.net>2012-10-01 12:04:07 +0200
commit7305d42f2ad0462ca3916a73df49cc6b70b41fe4 (patch)
tree4de7ec9601f83c61d84e9b8cda40ca0f5ca6bc91 /mesalib/docs
parentc86fbbd2c3bb30e96a614456bbb7688e0387cf8c (diff)
parent7ed9dbafdbc724c1030404f29678559134de559b (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: libxcb mesa pixman xkeyboard-config git update 1 oct 2012 Conflicts: libxcb/src/man/.gitignore
Diffstat (limited to 'mesalib/docs')
-rw-r--r--mesalib/docs/envvars.html22
1 files changed, 19 insertions, 3 deletions
diff --git a/mesalib/docs/envvars.html b/mesalib/docs/envvars.html
index 49c9025da..5d855c630 100644
--- a/mesalib/docs/envvars.html
+++ b/mesalib/docs/envvars.html
@@ -69,9 +69,25 @@ If the extension string is too long, the buffer overrun can cause the game
to crash.
This is a work-around for that.
<li>MESA_GL_VERSION_OVERRIDE - changes the value returned by
-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.
+glGetString(GL_VERSION) and possibly the GL API type.
+<ul>
+<li> The format should be MAJOR.MINOR[FC]
+<li> FC is an optional suffix that indicates a forward compatible context.
+This is only valid for versions &gt;= 3.0.
+<li> GL versions &lt; 3.0 are set to a compatibility (non-Core) profile
+<li> GL versions = 3.0, see below
+<li> GL versions &gt; 3.0 are set to a Core profile
+<li> Examples: 2.1, 3.0, 3.0FC, 3.1, 3.1FC
+<ul>
+<li> 2.1 - select a compatibility (non-Core) profile with GL version 2.1
+<li> 3.0 - select a compatibility (non-Core) profile with GL version 3.0
+<li> 3.0FC - select a Core+Forward Compatible profile with GL version 3.0
+<li> 3.1 - select a Core profile with GL version 3.1
+<li> 3.1FC - select a Core+Forward Compatible profile with GL version 3.1
+</ul>
+<li> Mesa may not really implement all the features of the given version.
+(for developers only)
+</ul>
<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