Mesa (master): nir: Add nir_alu_type -> glsl_base_type conversion helper

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Module: Mesa
Branch: master
Commit: 9c4dce1d9660a92ad62829284c24ac6292cf774c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9c4dce1d9660a92ad62829284c24ac6292cf774c

Author: Jesse Natalie <jenatali at microsoft.com>
Date:   Thu Aug 20 10:20:57 2020 -0700

nir: Add nir_alu_type -> glsl_base_type conversion helper

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7565>

---

 src/compiler/nir/nir.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index a69f5598255..1c3292268df 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -1161,6 +1161,39 @@ nir_get_nir_type_for_glsl_type(const struct glsl_type *type)
    return nir_get_nir_type_for_glsl_base_type(glsl_get_base_type(type));
 }
 
+static inline enum glsl_base_type
+nir_get_glsl_base_type_for_nir_type(nir_alu_type base_type)
+{
+   switch (base_type) {
+   case nir_type_bool1:
+      return GLSL_TYPE_BOOL;
+   case nir_type_uint32:
+      return GLSL_TYPE_UINT;
+   case nir_type_int32:
+      return GLSL_TYPE_INT;
+   case nir_type_uint16:
+      return GLSL_TYPE_UINT16;
+   case nir_type_int16:
+      return GLSL_TYPE_INT16;
+   case nir_type_uint8:
+      return GLSL_TYPE_UINT8;
+   case nir_type_int8:
+      return GLSL_TYPE_INT8;
+   case nir_type_uint64:
+      return GLSL_TYPE_UINT64;
+   case nir_type_int64:
+      return GLSL_TYPE_INT64;
+   case nir_type_float32:
+      return GLSL_TYPE_FLOAT;
+   case nir_type_float16:
+      return GLSL_TYPE_FLOAT16;
+   case nir_type_float64:
+      return GLSL_TYPE_DOUBLE;
+
+   default: unreachable("Not a sized nir_alu_type");
+   }
+}
+
 nir_op nir_type_conversion_op(nir_alu_type src, nir_alu_type dst,
                               nir_rounding_mode rnd);