radeonsi: don't fail in si_shader_io_get_unique_index

Trivial. Picked from my tessellation branch.

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 47e5f96..a293ef3 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -133,8 +133,12 @@ unsigned si_shader_io_get_unique_index(unsigned semantic_name, unsigned index)
                return 4 + index;
 
        default:
-               assert(0);
-               return 63;
+               /* Don't fail here. The result of this function is only used
+                * for LS, TCS, TES, and GS, where legacy GL semantics can't
+                * occur, but this function is called for all vertex shaders
+                * before it's known whether LS will be compiled or not.
+                */
+               return 0;
        }
 }