--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/mempool.h	Mon May 05 15:31:14 2008 +0200
@@ -0,0 +1,78 @@
+/*
+ * mempool.h: memory pool
+ *
+ * This file is part of Pyrit Ray Tracer.
+ *
+ * Copyright 2008  Radek Brich
+ *
+ * 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 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MEMPOOL_H
+#define MEMPOOL_H
+
+#include "common.h"
+
+template <typename Type>
+class MemoryPool
+{
+	void *mem;
+	size_t cur, size, typesize, align;
+
+	void init()
+	{
+		typesize = ((sizeof(Type)-1)/align+1)*align;
+#ifndef NO_SIMD
+		mem = (Type *)_mm_malloc(size * typesize, align);
+#else
+		mem = (Type *)malloc(inisize * typesize);
+#endif
+	};
+public:
+	MemoryPool(const size_t inisize):
+		cur(0), size(inisize), align(16) { init(); };
+	MemoryPool(const size_t inisize, const size_t inialign):
+		cur(0), size(inisize), align(inialign) { init(); };
+	~MemoryPool()
+	{
+#ifndef NO_SIMD
+		_mm_free(mem);
+#else
+		free(mem);
+#endif
+	};
+
+	void *alloc()
+	{
+		if (cur == size)
+		{
+#ifndef NO_SIMD
+			void *newmem = _mm_malloc(2 * size * typesize, align);
+#else
+			void *newmem = malloc(2 * size * typesize);
+#endif
+			memcpy(newmem, mem, size * typesize);
+			mem = newmem;
+			size *= 2;
+		}
+		return (void*)((size_t)mem + typesize*(cur++));
+	};
+};
+
+#endif