diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_compile_operation.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_compile_operation.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_compile_operation.c b/src/mesa/shader/slang/slang_compile_operation.c new file mode 100644 index 0000000000..f6d371a44b --- /dev/null +++ b/src/mesa/shader/slang/slang_compile_operation.c @@ -0,0 +1,115 @@ +/*
+ * 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_operation.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_operation */
+
+int slang_operation_construct (slang_operation *oper)
+{
+ oper->type = slang_oper_none;
+ oper->children = NULL;
+ oper->num_children = 0;
+ oper->literal = (float) 0;
+ oper->identifier = NULL;
+ oper->locals = (slang_variable_scope *) slang_alloc_malloc (sizeof (slang_variable_scope));
+ if (oper->locals == NULL)
+ return 0;
+ if (!slang_variable_scope_construct (oper->locals))
+ {
+ slang_alloc_free (oper->locals);
+ return 0;
+ }
+ return 1;
+}
+
+void slang_operation_destruct (slang_operation *oper)
+{
+ unsigned int i;
+
+ for (i = 0; i < oper->num_children; i++)
+ slang_operation_destruct (oper->children + i);
+ slang_alloc_free (oper->children);
+ slang_alloc_free (oper->identifier);
+ slang_variable_scope_destruct (oper->locals);
+ slang_alloc_free (oper->locals);
+}
+
+int slang_operation_copy (slang_operation *x, const slang_operation *y)
+{
+ slang_operation z;
+ unsigned int i;
+
+ if (!slang_operation_construct (&z))
+ return 0;
+ z.type = y->type;
+ z.children = (slang_operation *) slang_alloc_malloc (y->num_children * sizeof (slang_operation));
+ if (z.children == NULL)
+ {
+ slang_operation_destruct (&z);
+ return 0;
+ }
+ for (z.num_children = 0; z.num_children < y->num_children; z.num_children++)
+ if (!slang_operation_construct (&z.children[z.num_children]))
+ {
+ slang_operation_destruct (&z);
+ return 0;
+ }
+ for (i = 0; i < z.num_children; i++)
+ if (!slang_operation_copy (&z.children[i], &y->children[i]))
+ {
+ slang_operation_destruct (&z);
+ return 0;
+ }
+ z.literal = y->literal;
+ if (y->identifier != NULL)
+ {
+ z.identifier = slang_string_duplicate (y->identifier);
+ if (z.identifier == NULL)
+ {
+ slang_operation_destruct (&z);
+ return 0;
+ }
+ }
+ if (!slang_variable_scope_copy (z.locals, y->locals))
+ {
+ slang_operation_destruct (&z);
+ return 0;
+ }
+ slang_operation_destruct (x);
+ *x = z;
+ return 1;
+}
+
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