compiler/types: Change glsl_type::name to be an uintptr_t

This will allow us later to store builtin names in a different way.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25191>

src/compiler/builtin_types_c.py

@@ -23,7 +23,7 @@ const struct glsl_type glsl_type_builtin_${t["name"]} = {
        %if v is None:
           <% continue %>
        %elif k == "name":
-          .${k} = "${v}",
+          .name_id = (uintptr_t) "${v}",
        %else:
           .${k} = ${v},
        %endif

src/compiler/glsl_types.cpp

@@ -79,7 +79,7 @@ make_vector_matrix_type(void *lin_ctx, uint32_t gl_type,
    t->matrix_columns = matrix_columns;
    t->explicit_stride = explicit_stride;
    t->explicit_alignment = explicit_alignment;
-   t->name = linear_strdup(lin_ctx, name);
+   t->name_id = (uintptr_t)linear_strdup(lin_ctx, name);
 
    return t;
 }
@@ -93,7 +93,7 @@ fill_struct_type(glsl_type *t, const glsl_struct_field *fields, unsigned num_fie
    t->sampled_type = GLSL_TYPE_VOID;
    t->packed = packed;
    t->length = num_fields;
-   t->name = name;
+   t->name_id = (uintptr_t)name;
    t->explicit_alignment = explicit_alignment;
    t->fields.structure = fields;
 }
@@ -132,7 +132,7 @@ fill_interface_type(glsl_type *t, const glsl_struct_field *fields, unsigned num_
    t->interface_packing = (unsigned)packing;
    t->interface_row_major = (unsigned)row_major;
    t->length = num_fields;
-   t->name = name;
+   t->name_id = (uintptr_t)name;
    t->fields.structure = fields;
 }
 
@@ -171,7 +171,7 @@ make_subroutine_type(void *lin_ctx, const char *subroutine_name)
    t->sampled_type = GLSL_TYPE_VOID;
    t->vector_elements = 1;
    t->matrix_columns = 1;
-   t->name = linear_strdup(lin_ctx, subroutine_name);
+   t->name_id = (uintptr_t)linear_strdup(lin_ctx, subroutine_name);
 
    return t;
 }
@@ -522,7 +522,7 @@ make_array_type(void *lin_ctx, const glsl_type *element_type, unsigned length,
       memcpy(base + array_part, pos, element_part);
    }
 
-   t->name = n;
+   t->name_id = (uintptr_t)n;
 
    return t;
 }

src/compiler/glsl_types.h

@@ -324,11 +324,11 @@ struct glsl_type {
    unsigned length;
 
    /**
-    * Name of the data type
+    * Identifier to the name of the data type
     *
-    * Will never be \c NULL.
+    * Use glsl_get_type_name() to access the actual name.
     */
-   const char *name;
+   uintptr_t name_id;
 
    /**
     * Explicit array, matrix, or vector stride.  This is used to communicate

src/compiler/nir_types.cpp

@@ -31,7 +31,7 @@
 const char *
 glsl_get_type_name(const glsl_type *type)
 {
-   return type->name;
+   return (const char *)type->name_id;
 }
 
 int