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authorIan Romanick <ian.d.romanick@intel.com>2010-02-22 13:19:34 -0800
committerIan Romanick <ian.d.romanick@intel.com>2010-02-22 13:19:34 -0800
commita87ac255cf7ef0672b4de865d82e6a40c93b57d8 (patch)
treefa929815c34a17ca4e258ee3fa3724fe9b10b250 /hir_function.c
Initial commit. lol
Diffstat (limited to 'hir_function.c')
-rw-r--r--hir_function.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/hir_function.c b/hir_function.c
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+struct ir_instruction *
+_mesa_ast_constructor_to_hir(const struct ast_node *n,
+ const struct ast_node *parameters,
+ struct _mesa_glsl_parse_state *state)
+{
+ const struct ast_type_specifier *type = (struct ast_type_specifier *) n;
+
+
+ /* There are effectively three kinds of constructors. Each has its own set
+ * of rules.
+ *
+ * * Built-in scalar, vector, and matrix types: For each of these the only
+ * matching requirement is that the number of values supplied is
+ * sufficient to initialize all of the fields of the type.
+ * * Array types: The number of initializers must match the size of the
+ * array, if a size is specified. Each of the initializers must
+ * exactly match the base type of the array.
+ * * Structure types: These initializers must exactly match the fields of
+ * the structure in order. This is the most restrictive type.
+ *
+ * In all cases the built-in promotions from integer to floating-point types
+ * are applied.
+ */
+
+ if (type->is_array) {
+ /* FINISHME */
+ } else if ((type->type_specifier == ast_struct)
+ || (type->type_specifier == ast_type_name)) {
+ /* FINISHME */
+ } else {
+ const struct glsl_type *ctor_type;
+
+ /* Look-up the type, by name, in the symbol table.
+ */
+
+
+ /* Generate a series of assignments of constructor parameters to fields
+ * of the object being initialized.
+ */
+ }
+}