diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_compile_struct.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_compile_struct.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_compile_struct.c b/src/mesa/shader/slang/slang_compile_struct.c new file mode 100644 index 0000000000..bad58f4e5b --- /dev/null +++ b/src/mesa/shader/slang/slang_compile_struct.c @@ -0,0 +1,191 @@ +/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file slang_compile_struct.c
+ * slang front-end compiler
+ * \author Michal Krol
+ */
+
+#include "imports.h"
+#include "slang_utility.h"
+#include "slang_compile_variable.h"
+#include "slang_compile_struct.h"
+#include "slang_compile_operation.h"
+#include "slang_compile_function.h"
+
+/* slang_struct_scope */
+
+int slang_struct_scope_construct (slang_struct_scope *scope)
+{
+ scope->structs = NULL;
+ scope->num_structs = 0;
+ scope->outer_scope = NULL;
+ return 1;
+}
+
+void slang_struct_scope_destruct (slang_struct_scope *scope)
+{
+ unsigned int i;
+
+ for (i = 0; i < scope->num_structs; i++)
+ slang_struct_destruct (scope->structs + i);
+ slang_alloc_free (scope->structs);
+ /* do not free scope->outer_scope */
+}
+
+int slang_struct_scope_copy (slang_struct_scope *x, const slang_struct_scope *y)
+{
+ slang_struct_scope z;
+ unsigned int i;
+
+ if (!slang_struct_scope_construct (&z))
+ return 0;
+ z.structs = (slang_struct *) slang_alloc_malloc (y->num_structs * sizeof (slang_struct));
+ if (z.structs == NULL)
+ {
+ slang_struct_scope_destruct (&z);
+ return 0;
+ }
+ for (z.num_structs = 0; z.num_structs < y->num_structs; z.num_structs++)
+ if (!slang_struct_construct (&z.structs[z.num_structs]))
+ {
+ slang_struct_scope_destruct (&z);
+ return 0;
+ }
+ for (i = 0; i < z.num_structs; i++)
+ if (!slang_struct_copy (&z.structs[i], &y->structs[i]))
+ {
+ slang_struct_scope_destruct (&z);
+ return 0;
+ }
+ z.outer_scope = y->outer_scope;
+ slang_struct_scope_destruct (x);
+ *x = z;
+ return 1;
+}
+
+slang_struct *slang_struct_scope_find (slang_struct_scope *stru, const char *name, int all_scopes)
+{
+ unsigned int i;
+
+ for (i = 0; i < stru->num_structs; i++)
+ if (slang_string_compare (name, stru->structs[i].name) == 0)
+ return stru->structs + i;
+ if (all_scopes && stru->outer_scope != NULL)
+ return slang_struct_scope_find (stru->outer_scope, name, 1);
+ return NULL;
+}
+
+/* slang_struct */
+
+int slang_struct_construct (slang_struct *stru)
+{
+ stru->name = NULL;
+ stru->fields = (slang_variable_scope *) slang_alloc_malloc (sizeof (slang_variable_scope));
+ if (stru->fields == NULL)
+ return 0;
+ if (!slang_variable_scope_construct (stru->fields))
+ {
+ slang_alloc_free (stru->fields);
+ return 0;
+ }
+ stru->structs = (slang_struct_scope *) slang_alloc_malloc (sizeof (slang_struct_scope));
+ if (stru->structs == NULL)
+ {
+ slang_variable_scope_destruct (stru->fields);
+ slang_alloc_free (stru->fields);
+ return 0;
+ }
+ if (!slang_struct_scope_construct (stru->structs))
+ {
+ slang_variable_scope_destruct (stru->fields);
+ slang_alloc_free (stru->fields);
+ slang_alloc_free (stru->structs);
+ return 0;
+ }
+ return 1;
+}
+
+void slang_struct_destruct (slang_struct *stru)
+{
+ slang_alloc_free (stru->name);
+ slang_variable_scope_destruct (stru->fields);
+ slang_alloc_free (stru->fields);
+ slang_struct_scope_destruct (stru->structs);
+ slang_alloc_free (stru->structs);
+}
+
+int slang_struct_copy (slang_struct *x, const slang_struct *y)
+{
+ slang_struct z;
+
+ if (!slang_struct_construct (&z))
+ return 0;
+ if (y->name != NULL)
+ {
+ z.name = slang_string_duplicate (y->name);
+ if (z.name == NULL)
+ {
+ slang_struct_destruct (&z);
+ return 0;
+ }
+ }
+ if (!slang_variable_scope_copy (z.fields, y->fields))
+ {
+ slang_struct_destruct (&z);
+ return 0;
+ }
+ if (!slang_struct_scope_copy (z.structs, y->structs))
+ {
+ slang_struct_destruct (&z);
+ return 0;
+ }
+ slang_struct_destruct (x);
+ *x = z;
+ return 1;
+}
+
+int slang_struct_equal (const slang_struct *x, const slang_struct *y)
+{
+ unsigned int i;
+
+ if (x->fields->num_variables != y->fields->num_variables)
+ return 0;
+ for (i = 0; i < x->fields->num_variables; i++)
+ {
+ slang_variable *varx = x->fields->variables + i;
+ slang_variable *vary = y->fields->variables + i;
+ if (slang_string_compare (varx->name, vary->name) != 0)
+ return 0;
+ if (!slang_type_specifier_equal (&varx->type.specifier, &vary->type.specifier))
+ return 0;
+ if (varx->type.specifier.type == slang_spec_array)
+ {
+ /* TODO compare array sizes */
+ }
+ }
+ return 1;
+}
+
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