Mesa (master): docs: document new zink-flag

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Module: Mesa
Branch: master
Commit: 85647152535203aec5a5e77872e3ca501136244a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=85647152535203aec5a5e77872e3ca501136244a

Author: Erik Faye-Lund <kusmabite at gmail.com>
Date:   Thu Nov 26 19:26:23 2020 +0100

docs: document new zink-flag

We forgot to document this previously, so let's add it now.

Fixes: feb9462bb19 ("zink: Added inbuilt debug logging from the VK_LAYER_LUNARG_standard_validation layer.")
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7802>

---

 docs/drivers/zink.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/drivers/zink.rst b/docs/drivers/zink.rst
index e39ad3b1bba..f915bfee012 100644
--- a/docs/drivers/zink.rst
+++ b/docs/drivers/zink.rst
@@ -103,6 +103,8 @@ variable:
    current directory, and print a message with the filename to stderr.
 ``tgsi``
    Print the TGSI form of TGSI shaders to stderr.
+``validation``
+   Dump Validation layer output.
 
 Vulkan Validation Layers
 ^^^^^^^^^^^^^^^^^^^^^^^^