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authorAlejandro Piñeiro <[email protected]>2019-06-13 13:22:40 +0200
committerAlejandro Piñeiro <[email protected]>2019-06-14 16:18:43 +0200
commitd317944c245a0400a94380ba064d53aec9c5a452 (patch)
tree87740ec21d331fb562bc53d3972ce174b64125bb /docs/envvars.html
parent83829abe0345406cc8f5f5d4f795b9c80ccdb249 (diff)
docs: document three NIR_ envvars
Initially I was only interested on documenting NIR_PRINT, as today I needed to check the code to find this envvar, that at the moment I vaguely remembered that existed. As we are here, though, let's just document all of them (assuming that makes sense). Reviewed-by: Eric Anholt <[email protected]>
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@@ -210,6 +210,23 @@ sometimes be useful for debugging end-user issues.
</dl>
+<h2>NIR passes enviroment variables</h2>
+<p>
+The following are only applicable for drivers that uses NIR, as they
+modify the behaviour for the common NIR_PASS and NIR_PASS_V macros,
+that wrap calls to NIR lowering/optimizations.
+</p>
+
+<dl>
+ <dt><code>NIR_PRINT</code></dt>
+ <dd>If defined, the resulting NIR shader will be printed out at each succesful NIR lowering/optimization call.</dd>
+ <dt><code>NIR_TEST_CLONE</code></dt>
+ <dd>If defined, cloning a NIR shader would be tested at each succesful NIR lowering/optimization call.</dd>
+ <dt><code>NIR_TEST_SERIALIZE</code></dt>
+ <dd>If defined, serialize and deserialize a NIR shader would be tested at each succesful NIR lowering/optimization call.</dd>
+</dl>
+
+
<h2>Mesa Xlib driver environment variables</h2>
<p>