diff --git a/shader_examples/mesa/length.fs.txt b/shader_examples/mesa/length.fs.txt
new file mode 100644
index 0000000..4a53654
--- /dev/null
+++ b/shader_examples/mesa/length.fs.txt
@@ -0,0 +1,27 @@
+0x00000800,
+0x08020000,
+0x08020080,
+0x00840420,
+0x00000000,
+0x00000001,
+
+0x00004000,
+0x08020000,
+0x08020080,
+0x00000000,
+0x0004000b,
+0x00000000,
+
+0x00008001,
+0x08020080,
+0x08020000,
+0x00000000,
+0x0000c00a,
+0x0000000a,
+
+0x00070005,
+0x08020080,
+0x08020080,
+0x1c920490,
+0x1cc18003,
+0x00000005,