Mesa (master): docs: document MESA_GLSL=errors keyword

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Module: Mesa
Branch: master
Commit: 9b6a00e66e2b9d8c999b53bf7f2dffb548ddf864
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b6a00e66e2b9d8c999b53bf7f2dffb548ddf864

Author: Alejandro Piñeiro <apinheiro at igalia.com>
Date:   Thu Apr 18 15:58:35 2019 +0200

docs: document MESA_GLSL=errors keyword

Added with commit 0161691f3518, still checked on shaderapi.c
_mesa_get_shader_flag method.

Fixes: 0161691f3518db310411 "mesa: add GLSL_REPORT_ERRORS debug flag"
Reviewed-by: Eric Engestrom <eric.engestrom at intel.com>

---

 docs/shading.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/shading.html b/docs/shading.html
index 9e3c7218e31..76f25316f86 100644
--- a/docs/shading.html
+++ b/docs/shading.html
@@ -59,6 +59,7 @@ execution.  These are generally used for debugging.
 <li><b>nopfrag</b> - force fragment shader to be a simple shader that passes
     through the color attribute.
 <li><b>useprog</b> - log glUseProgram calls to stderr
+<li><b>errors</b> - GLSL compilation and link errors will be reported to stderr.
 </ul>
 <p>
 Example:  export MESA_GLSL=dump,nopt