Parse MESA_GLSL=dump logs into shaders/appname/n.{frag,vert}.

1 files changed, 21 insertions, 0 deletions

diff --git a/README b/README
new file mode 100644
index 0000000..6ae1410
--- /dev/null
+++ b/README
@@ -0,0 +1,21 @@
+=== What ===
+
+A giant pile of shaders from various apps, for whatever purpose.  In
+particular, we use it to capture assembly output of the shader
+compiler for analysis of regressions in compiler behavior.
+
+=== Capturing shaders ===
+env MESA_GLSL=dump appname |& tee log
+split-to-files.pl appname log
+# clean up resulting files, as the parsing is just an assist, not actually
+# complete.
+$EDITOR shaders/appname/*
+
+=== Running shaders ===
+# set your location to hacked glslparsertest that links shaders.
+$EDITOR run.pl
+# this relies on i965 driver debug output, hack it up for anything else.
+./run.pl shaders/**/*.frag
+
+=== Analysis ===
+diff old-run new-run