glsl: allow uniforms
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 8ce2ca3..4575a06 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -90,7 +90,8 @@
          const struct gl_program_parameter_list *params;
          ASSERT(source->File == PROGRAM_LOCAL_PARAM ||
                 source->File == PROGRAM_CONSTANT ||
-                source->File == PROGRAM_STATE_VAR);
+                source->File == PROGRAM_STATE_VAR ||
+                source->File == PROGRAM_UNIFORM);
          params = machine->CurProgram->Parameters;
          if (reg < 0 || reg >= params->NumParameters)
             return ZeroVec;