diff options
| author | Chris Forbes <[email protected]> | 2013-11-24 18:12:49 +1300 |
|---|---|---|
| committer | Chris Forbes <[email protected]> | 2013-11-25 21:18:33 +1300 |
| commit | 90d185544c897ca0b4c3c677fed4290330bb0706 (patch) | |
| tree | 156720616a2a31d03aa093e94543aae069a6ec90 /docs | |
| parent | 195994fe4cd851f4aed7fe32697f94c4188a96c8 (diff) | |
docs: describe the INTEL_* envvars that do exist
V2: drop description of `fall` and `wm`, which have been removed by the
previous patch; describe `stats`.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/envvars.html | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/docs/envvars.html b/docs/envvars.html index 81e74e6f484..3cc3c8096e4 100644 --- a/docs/envvars.html +++ b/docs/envvars.html @@ -121,6 +121,38 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details. <h2>i945/i965 driver environment variables (non-Gallium)</h2> <ul> +<li>INTEL_NO_HW - if set to 1, prevents batches from being submitted to the hardware. + This is useful for debugging hangs, etc.</li> +<li>INTEL_DEBUG - a comma-separated list of named flags, which do various things: +<ul> + <li>tex - emit messages about textures.</li> + <li>state - emit messages about state flag tracking</li> + <li>blit - emit messages about blit operations</li> + <li>miptree - emit messages about miptrees</li> + <li>perf - emit messages about performance issues</li> + <li>perfmon - emit messages about AMD_performance_monitor</li> + <li>bat - emit batch information</li> + <li>pix - emit messages about pixel operations</li> + <li>buf - emit messages about buffer objects</li> + <li>reg - emit messages about regions</li> + <li>fbo - emit messages about framebuffers</li> + <li>fs - dump shader assembly for fragment shaders</li> + <li>gs - dump shader assembly for geometry shaders</li> + <li>sync - emit messages about synchronization</li> + <li>prim - emit messages about drawing primitives</li> + <li>vert - emit messages about vertex assembly</li> + <li>dri - emit messages about the DRI interface</li> + <li>sf - emit messages about the strips & fans unit (for old gens, includes the SF program)</li> + <li>stats - enable statistics counters. you probably actually want perfmon or intel_gpu_top instead.</li> + <li>urb - emit messages about URB setup</li> + <li>vs - dump shader assembly for vertex shaders</li> + <li>clip - emit messages about the clip unit (for old gens, includes the CLIP program)</li> + <li>aub - dump batches into an AUB trace for use with simulation tools</li> + <li>shader_time - record how much GPU time is spent in each shader</li> + <li>no16 - suppress generation of 16-wide fragment shaders. useful for debugging broken shaders</li> + <li>blorp - emit messages about the blorp operations (blits & clears)</li> + <li>nodualobj - suppress generation of dual-object geometry shader code</li> +</ul> </ul> |