softpipe: Convert to comma-separated SOFTPIPE_DEBUG for debug options.

[mesa.git] / docs / envvars.rst

diff --git a/docs/envvars.rst b/docs/envvars.rst
index de6d4960b7a3e420c2207ba3c685b3c8b7cef54f..76397eec0416bc3246e182b3fd7a82367782d82b 100644 (file)
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -414,15 +414,22 @@ Clover environment variables
 Softpipe driver environment variables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-``SOFTPIPE_DUMP_FS``
-   if set, the softpipe driver will print fragment shaders to stderr
-``SOFTPIPE_DUMP_GS``
-   if set, the softpipe driver will print geometry shaders to stderr
-``SOFTPIPE_NO_RAST``
-   if set, rasterization is no-op'd. For profiling purposes.
-``SOFTPIPE_USE_LLVM``
-   if set, the softpipe driver will try to use LLVM JIT for vertex
-   shading processing.
+``SOFTPIPE_DEBUG``
+   a comma-separated list of named flags, which do various things:
+
+   ``vs``
+      Dump vertex shader assembly to stderr
+   ``fs``
+      Dump fragment shader assembly to stderr
+   ``gs``
+      Dump geometry shader assembly to stderr
+   ``cs``
+      Dump compute shader assembly to stderr
+   ``no_rast``
+      rasterization is no-op'd. For profiling purposes.
+   ``use_llvm``
+      the softpipe driver will try to use LLVM JIT for vertex
+      shading processing.
 
 LLVMpipe driver environment variables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~