docs: improve the list of implemented APIs

[mesa.git] / docs / envvars.html

diff --git a/docs/envvars.html b/docs/envvars.html
index 5dd7bab2c664698e3c3050ea184cc8f07a2cddd2..276cea3cf34d7916087cd37e02ea8d03ea41ef90 100644 (file)
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -187,6 +187,8 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details.
    <li>do32 - generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD16 limit</li>
    <li>norbc - disable single sampled render buffer compression</li>
 </ul>
+<li>INTEL_PRECISE_TRIG - if set to 1, true or yes, then the driver prefers
+   accuracy over performance in trig functions.</li>
 </ul>
 
 
@@ -219,6 +221,8 @@ Mesa EGL supports different sets of environment variables.  See the
     disable for unencumbered viewing the rest of the time. For example, set
     GALLIUM_HUD_VISIBLE to false and GALLIUM_HUD_TOGGLE_SIGNAL to 10 (SIGUSR1).
     Use kill -10 <pid> to toggle the hud as desired.
+<li>GALLIUM_HUD_DUMP_DIR - specifies a directory for writing the displayed
+    hud values into files.
 <li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=1 for
     choosing one of the software renderers "softpipe", "llvmpipe" or "swr".
 <li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.