--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopengles20/src/GLES2/object.c Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,110 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * 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.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#include "object.h"
+
+void DGLObject_insert(DGLObject** root, DGLObject* object)
+{
+ // Insert the object into the linked list while maintaining the ordering by name.
+
+ DGLES2_ASSERT(root != NULL);
+ DGLES2_ASSERT(object != NULL);
+
+ if(*root == NULL)
+ {
+ // This is the first object.
+ *root = object;
+ }
+ else if((*root)->name > object->name)
+ {
+ // Insert in the front.
+ object->next = *root;
+ *root = object;
+ }
+ else
+ {
+ DGLObject* prev = *root;
+ while(prev->next != NULL && prev->next->name < object->name)
+ {
+ prev = prev->next;
+ }
+
+ object->next = prev->next;
+ prev->next = object;
+ }
+}
+
+DGLObject* DGLObject_remove(DGLObject** root, GLuint name)
+{
+ DGLES2_ASSERT(root != NULL);
+ {
+ DGLObject* object = *root;
+
+ if(object == NULL)
+ {
+ // There are no buffers.
+ return NULL;
+ }
+
+ if(object->name == name)
+ {
+ // The first buffer is to be destroyed.
+ *root = object->next;
+ return object;
+ }
+ else
+ {
+ DGLObject* removed = NULL;
+
+ while(object->next != NULL && object->next->name != name)
+ {
+ object = object->next;
+ }
+
+ if(object->next != NULL)
+ {
+ // The buffer to be destroyed was found.
+ DGLObject* newNext = object->next->next;
+ removed = object->next;
+ object->next = newNext;
+ }
+
+ return removed;
+ }
+ }
+}
+
+DGLObject* DGLObject_find(DGLObject* root, GLuint name)
+{
+ DGLObject* object = root;
+ while(object != NULL && object->name != name)
+ {
+ object = object->next;
+ }
+ return object;
+}
\ No newline at end of file