update bundled_deps

bundled_deps/libigl/igl/png/render_to_png_async.h

@@ -0,0 +1,45 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_PNG_RENDER_TO_PNG_ASYNC_H
+#define IGL_PNG_RENDER_TO_PNG_ASYNC_H
+#include <igl/igl_inline.h>
+#include <thread>
+//#include <boost/thread/thread.hpp>
+
+#include <string>
+namespace igl
+{
+  namespace png
+  {
+    // History:
+    //  added multithreaded parameter and support, Alec Sept 3, 2012
+    //
+    // Render current open GL image to .png file
+    // Inputs:
+    //   png_file  path to output .png file
+    //   width  width of scene and resulting image
+    //   height height of scene and resulting image
+    //   alpha  whether to include alpha channel
+    //   fast  sacrifice compression ratio for speed
+    // Returns true only if no errors occurred
+    //
+    // See also: igl/render_to_tga which is faster but writes .tga files
+    IGL_INLINE std::thread render_to_png_async(
+      const std::string png_file,
+      const int width,
+      const int height,
+      const bool alpha = true,
+      const bool fast = false);
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "render_to_png_async.cpp"
+#endif
+
+#endif