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| author | marha <marha@users.sourceforge.net> | 2010-03-07 16:00:29 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2010-03-07 16:00:29 +0000 |
| commit | b40894093babb10f3cd155f11ff2d6c710372395 (patch) | |
| tree | e6e94e5aa39ca9d5a653af567145e4b5dda25d61 /mesalib/docs/shading.html | |
| parent | d27419efcdaaccb40e0f10c549a6b732a2f29e81 (diff) | |
| parent | 14b1cb8d5a27ec9716d3f790fce95f0469e35605 (diff) | |
| download | vcxsrv-b40894093babb10f3cd155f11ff2d6c710372395.tar.gz vcxsrv-b40894093babb10f3cd155f11ff2d6c710372395.tar.bz2 vcxsrv-b40894093babb10f3cd155f11ff2d6c710372395.zip | |
svn merge ^/branches/released .
Diffstat (limited to 'mesalib/docs/shading.html')
| -rw-r--r-- | mesalib/docs/shading.html | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mesalib/docs/shading.html b/mesalib/docs/shading.html index 77c86be3a..bd02335a8 100644 --- a/mesalib/docs/shading.html +++ b/mesalib/docs/shading.html @@ -39,7 +39,8 @@ Contents <p> The <b>MESA_GLSL</b> environment variable can be set to a comma-separated -list of keywords to control some aspects of the GLSL compiler: +list of keywords to control some aspects of the GLSL compiler and shader +execution. These are generally used for debugging. </p> <ul> <li>dump - print GLSL shader code to stdout at link time @@ -49,6 +50,12 @@ list of keywords to control some aspects of the GLSL compiler: <li>nopt - disable compiler optimizations <li>opt - force compiler optimizations <li>uniform - print message to stdout when glUniform is called +<li>nopvert - force vertex shaders to be a simple shader that just transforms + the vertex position with ftransform() and passes through the color and + texcoord[0] attributes. +<li>nopfrag - force fragment shader to be a simple shader that passes + through the color attribute. +<li>useprog - log glUseProgram calls to stderr </ul> <p> Example: export MESA_GLSL=dump,nopt |