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| author | Rhys Kidd <[email protected]> | 2016-02-13 16:03:02 -0500 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2016-02-15 17:13:52 -0800 |
| commit | 76e2af3dd4ca737a2bf10deca450ba4d528a2c92 (patch) | |
| tree | a14250f11095b298f7552db73a7aef2d0c209720 | |
| parent | aa82cc4b22452b87be066595f7f08fd28f7975f0 (diff) | |
docs: Document VC4_DEBUG envvar
Signed-off-by: Rhys Kidd <[email protected]>
Signed-off-by: Eric Anholt <[email protected]>
| -rw-r--r-- | docs/envvars.html | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/envvars.html b/docs/envvars.html index 8c4597c9c76..4eff7065df0 100644 --- a/docs/envvars.html +++ b/docs/envvars.html @@ -253,6 +253,25 @@ for details. </ul> +<h3>VC4 driver environment variables</h3> +<ul> +<li>VC4_DEBUG - a comma-separated list of named flags, which do various things: +<ul> + <li>cl - dump command list during creation</li> + <li>qpu - dump generated QPU instructions</li> + <li>qir - dump QPU IR during program compile</li> + <li>nir - dump NIR during program compile</li> + <li>tgsi - dump TGSI during program compile</li> + <li>shaderdb - dump program compile information for shader-db analysis</li> + <li>perf - print during performance-related events</li> + <li>norast - skip actual hardware execution of commands</li> + <li>always_flush - flush after each draw call</li> + <li>always_sync - wait for finish after each flush</li> + <li>dump - write a GPU command stream trace file (VC4 simulator only)</li> +</ul> +</ul> + + <p> Other Gallium drivers have their own environment variables. These may change frequently so the source code should be consulted for details. |