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 9d48356..8f35377 100644 (file)
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -266,6 +266,11 @@ typedef struct nir_variable {
       int index;
 
       /**
+       * Descriptor set binding for sampler or UBO.
+       */
+      int descriptor_set;
+
+      /**
        * Initial binding point for a sampler or UBO.
        *
        * For array types, this represents the binding point for the first element.