compiler/types: Add glsl_type_compare_no_precision() and use it in C++

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25129>

3 files changed, 14 insertions, 12 deletions

diff --git a/src/compiler/glsl_types.cpp b/src/compiler/glsl_types.cpp
index 66463bf9de3..9e6fead59ea 100644
--- a/src/compiler/glsl_types.cpp
+++ b/src/compiler/glsl_types.cpp
@@ -1348,35 +1348,35 @@ glsl_cmat_type(const struct glsl_cmat_description *desc)
    return t;
 }
 
-bool
-glsl_type::compare_no_precision(const struct glsl_type *b) const
+extern "C" bool
+glsl_type_compare_no_precision(const struct glsl_type *a, const struct glsl_type *b)
 {
-   if (this == b)
+   if (a == b)
       return true;
 
-   if (this->is_array()) {
-      if (!b->is_array() || this->length != b->length)
+   if (a->is_array()) {
+      if (!b->is_array() || a->length != b->length)
          return false;
 
       const struct glsl_type *b_no_array = b->fields.array;
 
-      return this->fields.array->compare_no_precision(b_no_array);
+      return a->fields.array->compare_no_precision(b_no_array);
    }
 
-   if (this->is_struct()) {
+   if (a->is_struct()) {
       if (!b->is_struct())
          return false;
-   } else if (this->is_interface()) {
+   } else if (a->is_interface()) {
       if (!b->is_interface())
          return false;
    } else {
       return false;
    }
 
-   return record_compare(b,
-                         true, /* match_name */
-                         true, /* match_locations */
-                         false /* match_precision */);
+   return glsl_record_compare(a, b,
+                              true, /* match_name */
+                              true, /* match_locations */
+                              false /* match_precision */);
 }
 
 extern "C" bool
diff --git a/src/compiler/glsl_types.h b/src/compiler/glsl_types.h
index f68500629f5..1ad5b55d8d5 100644
--- a/src/compiler/glsl_types.h
+++ b/src/compiler/glsl_types.h
@@ -1346,6 +1346,7 @@ glsl_get_sampler_result_type(const struct glsl_type *t)
 
 int glsl_get_sampler_coordinate_components(const struct glsl_type *t);
 
+bool glsl_type_compare_no_precision(const struct glsl_type *a, const struct glsl_type *b);
 bool glsl_record_compare(const struct glsl_type *a, const struct glsl_type *b,
                          bool match_name, bool match_locations,
                          bool match_precision);
diff --git a/src/compiler/glsl_types_impl.h b/src/compiler/glsl_types_impl.h
index dd7ad1106b3..2ecd772aa94 100644
--- a/src/compiler/glsl_types_impl.h
+++ b/src/compiler/glsl_types_impl.h
@@ -57,6 +57,7 @@ inline int glsl_type::field_index(const char *n) const { return glsl_get_field_i
 inline enum glsl_interface_packing glsl_type::get_interface_packing() const { return glsl_get_ifc_packing(this); }
 inline enum glsl_interface_packing glsl_type::get_internal_ifc_packing(bool std430_supported) const { return glsl_get_internal_ifc_packing(this, std430_supported); }
 
+inline bool glsl_type::compare_no_precision(const glsl_type *b) const { return glsl_type_compare_no_precision(this, b); }
 inline bool glsl_type::record_compare(const glsl_type *b, bool match_name, bool match_locations, bool match_precision) const { return glsl_record_compare(this, b, match_name, match_locations, match_precision); }
 
 inline unsigned glsl_type::components() const { return glsl_get_components(this); }