Add code to create and set enable_user_clip member of intel_pipeline_shader
and use it in gen6_3DSTATE_CLIP to enable user clipping in pipeline.
diff --git a/icd/intel/pipeline.h b/icd/intel/pipeline.h
index d779535..3cafae1 100644
--- a/icd/intel/pipeline.h
+++ b/icd/intel/pipeline.h
@@ -105,6 +105,8 @@
     XGL_FLAGS uses;
     uint32_t user_attributes_read;
 
+    XGL_BOOL enable_user_clip;
+
     XGL_UINT in_count;
     XGL_UINT out_count;