nir: Add a descriptor_set field to nir_variable

This is needed for supporting the Vulkan binding model

Reviewed-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 9d48356c6de0be2a6ccbc7d25d1fe58ba0b9f0df..8f3537735714e9f6b6f364231d8781771e7076d7 100644 (file)
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -265,6 +265,11 @@ typedef struct nir_variable {
        */
       int index;
 
+      /**
+       * Descriptor set binding for sampler or UBO.
+       */
+      int descriptor_set;
+
       /**
        * Initial binding point for a sampler or UBO.
        *