added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / gfx / pbuffer.hpp

diff --git a/src/3dengfx/src/gfx/pbuffer.hpp b/src/3dengfx/src/gfx/pbuffer.hpp
new file mode 100644 (file)
index 0000000..e7db8e5
--- /dev/null
+++ b/src/3dengfx/src/gfx/pbuffer.hpp
@@ -0,0 +1,68 @@
+/*
+Copyright 2004 John Tsiombikas <nuclear@siggraph.org>
+
+This file is part of the graphics core library.
+
+the graphics core library is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+the graphics core library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the graphics core library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+#ifndef _PBUFFER_HPP_
+#define _PBUFFER_HPP_
+
+#include "common/byteorder.h"
+
+template <class T>
+class Buffer {
+public:
+       T *buffer;
+       unsigned long width, height, pitch;
+       
+       Buffer();
+       Buffer(unsigned long x, unsigned long y);
+       Buffer(const Buffer &b);
+       ~Buffer();
+};
+
+typedef uint32_t Pixel;
+typedef Buffer<Pixel> PixelBuffer;
+
+// implementation
+
+template <class T>
+Buffer<T>::Buffer() {
+       buffer = 0;
+}
+
+template <class T>
+Buffer<T>::Buffer(unsigned long x, unsigned long y) {
+       width = x;
+       height = y;
+       pitch = width * sizeof(T);
+       
+       buffer = new T[width * height];
+}
+
+template <class T>
+Buffer<T>::Buffer(const Buffer<T> &b) {
+       *this = b;
+       buffer = new T[width * height];
+       memcpy(buffer, b.buffer, pitch * height);
+}
+
+template <class T>
+Buffer<T>::~Buffer() {
+       if(buffer) delete [] buffer;
+}
+
+#endif // _PBUFFER_HPP_