From 30b548fc6258e9a72722f511e377cf4716fd443c Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Tue, 12 Feb 2019 13:03:34 -0600
Subject: [PATCH] compiler/types: Add a contains_64bit helper
MIME-Version: 1.0
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Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
---
 src/compiler/glsl_types.cpp | 16 ++++++++++++++++
 src/compiler/glsl_types.h   |  6 ++++++
 src/compiler/nir_types.cpp  |  6 ++++++
 src/compiler/nir_types.h    |  1 +
 4 files changed, 29 insertions(+)

diff --git a/src/compiler/glsl_types.cpp b/src/compiler/glsl_types.cpp
index 90f4548030f..042f45a926d 100644
--- a/src/compiler/glsl_types.cpp
+++ b/src/compiler/glsl_types.cpp
@@ -260,6 +260,22 @@ glsl_type::contains_double() const
    }
 }
 
+bool
+glsl_type::contains_64bit() const
+{
+   if (this->is_array()) {
+      return this->fields.array->contains_64bit();
+   } else if (this->is_record() || this->is_interface()) {
+      for (unsigned int i = 0; i < this->length; i++) {
+         if (this->fields.structure[i].type->contains_64bit())
+            return true;
+      }
+      return false;
+   } else {
+      return this->is_64bit();
+   }
+}
+
 bool
 glsl_type::contains_opaque() const {
    switch (base_type) {
diff --git a/src/compiler/glsl_types.h b/src/compiler/glsl_types.h
index 934dc479998..f9a160b898b 100644
--- a/src/compiler/glsl_types.h
+++ b/src/compiler/glsl_types.h
@@ -544,6 +544,12 @@ public:
     */
    bool contains_double() const;
 
+   /**
+    * Query whether or not type is a 64-bit type, or for struct, interface and
+    * array types, contains a double type.
+    */
+   bool contains_64bit() const;
+
    /**
     * Query whether or not a type is a float type
     */
diff --git a/src/compiler/nir_types.cpp b/src/compiler/nir_types.cpp
index b12aa297da3..c9e46ef044c 100644
--- a/src/compiler/nir_types.cpp
+++ b/src/compiler/nir_types.cpp
@@ -332,6 +332,12 @@ glsl_type_is_integer(const struct glsl_type *type)
    return type->is_integer();
 }
 
+bool
+glsl_type_contains_64bit(const struct glsl_type *type)
+{
+   return type->contains_64bit();
+}
+
 const glsl_type *
 glsl_void_type(void)
 {
diff --git a/src/compiler/nir_types.h b/src/compiler/nir_types.h
index 34f4252a9e2..68855a65d8e 100644
--- a/src/compiler/nir_types.h
+++ b/src/compiler/nir_types.h
@@ -150,6 +150,7 @@ bool glsl_type_is_dual_slot(const struct glsl_type *type);
 bool glsl_type_is_numeric(const struct glsl_type *type);
 bool glsl_type_is_boolean(const struct glsl_type *type);
 bool glsl_type_is_integer(const struct glsl_type *type);
+bool glsl_type_contains_64bit(const struct glsl_type *type);
 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
 bool glsl_sampler_type_is_array(const struct glsl_type *type);
 bool glsl_contains_atomic(const struct glsl_type *type);
-- 
2.30.2