Mesa (vulkan): nir: Add a descriptor_set field to nir_variable

[Jason Ekstrand]

Module: Mesa
Branch: vulkan
Commit: 1e0012e3e41e09c33f7f9d6671a803b7b0a7d9b8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1e0012e3e41e09c33f7f9d6671a803b7b0a7d9b8

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Fri Mar 25 10:16:23 2016 -0700

nir: Add a descriptor_set field to nir_variable

This is needed for supporting the Vulkan binding model

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

---

 src/compiler/nir/nir.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 9d48356..8f35377 100644
--- 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.