aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/shader/slang/slang_compile_struct.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
committermarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
commita0c4815433ccd57322f4f7703ca35e9ccfa59250 (patch)
treef5213802ec12adb86ec3136001c1c29fe5343700 /mesalib/src/mesa/shader/slang/slang_compile_struct.c
parentc73dc01b6de45612b24dc2dd34fba24d81ebf46c (diff)
downloadvcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.tar.gz
vcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.tar.bz2
vcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.zip
Added MesaLib-7.6
Diffstat (limited to 'mesalib/src/mesa/shader/slang/slang_compile_struct.c')
-rw-r--r--mesalib/src/mesa/shader/slang/slang_compile_struct.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/mesalib/src/mesa/shader/slang/slang_compile_struct.c b/mesalib/src/mesa/shader/slang/slang_compile_struct.c
new file mode 100644
index 000000000..e6c38730d
--- /dev/null
+++ b/mesalib/src/mesa/shader/slang/slang_compile_struct.c
@@ -0,0 +1,174 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 2005-2007 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 "main/imports.h"
+#include "slang_mem.h"
+#include "slang_compile.h"
+
+
+GLvoid
+_slang_struct_scope_ctr(slang_struct_scope * self)
+{
+ self->structs = NULL;
+ self->num_structs = 0;
+ self->outer_scope = NULL;
+}
+
+void
+slang_struct_scope_destruct(slang_struct_scope * scope)
+{
+ GLuint i;
+
+ for (i = 0; i < scope->num_structs; i++)
+ slang_struct_destruct(scope->structs + i);
+ _slang_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;
+ GLuint i;
+
+ _slang_struct_scope_ctr(&z);
+ z.structs = (slang_struct *)
+ _slang_alloc(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, slang_atom a_name,
+ int all_scopes)
+{
+ GLuint i;
+
+ for (i = 0; i < stru->num_structs; i++)
+ if (a_name == stru->structs[i].a_name)
+ return &stru->structs[i];
+ if (all_scopes && stru->outer_scope != NULL)
+ return slang_struct_scope_find(stru->outer_scope, a_name, 1);
+ return NULL;
+}
+
+/* slang_struct */
+
+int
+slang_struct_construct(slang_struct * stru)
+{
+ stru->a_name = SLANG_ATOM_NULL;
+ stru->fields = (slang_variable_scope *)
+ _slang_alloc(sizeof(slang_variable_scope));
+ if (stru->fields == NULL)
+ return 0;
+ _slang_variable_scope_ctr(stru->fields);
+
+ stru->structs =
+ (slang_struct_scope *) _slang_alloc(sizeof(slang_struct_scope));
+ if (stru->structs == NULL) {
+ slang_variable_scope_destruct(stru->fields);
+ _slang_free(stru->fields);
+ return 0;
+ }
+ _slang_struct_scope_ctr(stru->structs);
+ stru->constructor = NULL;
+ return 1;
+}
+
+void
+slang_struct_destruct(slang_struct * stru)
+{
+ slang_variable_scope_destruct(stru->fields);
+ _slang_free(stru->fields);
+ slang_struct_scope_destruct(stru->structs);
+ _slang_free(stru->structs);
+}
+
+int
+slang_struct_copy(slang_struct * x, const slang_struct * y)
+{
+ slang_struct z;
+
+ if (!slang_struct_construct(&z))
+ return 0;
+ z.a_name = y->a_name;
+ 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)
+{
+ GLuint i;
+
+ if (x->fields->num_variables != y->fields->num_variables)
+ return 0;
+
+ for (i = 0; i < x->fields->num_variables; i++) {
+ const slang_variable *varx = x->fields->variables[i];
+ const slang_variable *vary = y->fields->variables[i];
+
+ if (varx->a_name != vary->a_name)
+ return 0;
+ if (!slang_type_specifier_equal(&varx->type.specifier,
+ &vary->type.specifier))
+ return 0;
+ if (varx->type.specifier.type == SLANG_SPEC_ARRAY)
+ if (varx->array_len != vary->array_len)
+ return GL_FALSE;
+ }
+ return 1;
+}