--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicscomposition/openwfcompositionengine/common/include/owfpool.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,108 @@
+/* Copyright (c) 2009 The Khronos Group Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and/or associated documentation files (the
+ * "Materials"), to deal in the Materials without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Materials, and to
+ * permit persons to whom the Materials are 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 Materials.
+ *
+ * THE MATERIALS ARE 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 THE AUTHORS OR COPYRIGHT HOLDERS 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
+ * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+
+/*!
+ *  \file owfpool.h
+ */
+#ifndef OWFPOOL_H_
+#define OWFPOOL_H_
+
+#include <stdlib.h>
+#include "owftypes.h"
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+#define EOC         (OWFuint32) 0xFFFFFFFF
+
+
+typedef struct
+{
+    /*! linked list of free entries */
+    OWFuint32* entries;
+    /*! solid chunk of memory containing all the objects;
+     * no book-keeping data here, plain sequentially
+     * stored objects only */
+    char* chunk;
+    /*! index number of the first free object in the pool;
+     * EOC if the pool is empty */
+    OWFuint32 firstFree;
+    /*! pools capacity */
+    size_t capacity;
+    /*! number of free (unallocated) objects in the pool */
+    size_t free;
+    /*! size of an object */
+    size_t entrySize;
+} OWF_POOL;
+
+/*!
+ *  Creates new object pool. Initially all pool's
+ *  objects are unallocated.
+ *
+ *  \param objectSize Size of an individual pool object
+ *  \param objectCount Pool capacity (number of objects)
+ *
+ *  \return New pool or NULL
+ */
+OWF_API_CALL OWF_POOL*
+OWF_Pool_Create(size_t objectSize, size_t objectCount);
+
+/*!
+ *  Allocate object from pool. The pool retains ownership of
+ *  the object returned by the function.
+ *
+ *  \param pool Pool from which the object should be allocated
+ *
+ *  \return Object or NULL
+ */
+OWF_API_CALL void*
+OWF_Pool_GetObject(OWF_POOL* pool);
+
+/*!
+ *  Returns previously allocated object back to the pool.
+ *
+ *  \param object Object (must be valid pool object)
+ */
+OWF_API_CALL void
+OWF_Pool_PutObject(void* object);
+
+/*!
+ *  Destroys a pool. Frees all resources allocated by
+ *  the pool and invalidates all objects in the pool
+ *  (both allocated and unallocated)
+ *
+ *  \param pool Pool to destroy
+ */
+OWF_API_CALL void
+OWF_Pool_Destroy(OWF_POOL* pool);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* OWFPOOL_H_ */