+- Git (from http://git-scm.com/download/win).
+ - Note: If you use Cygwin, you can normally use Cygwin's "git.exe". However, in order to use the "update_external_sources.bat" script, you must have this version.
+ - Tell the installer to allow it to be used for "Developer Prompt" as well as "Git Bash".
+ - Tell the installer to treat line endings "as is" (i.e. both DOS and Unix-style line endings).
+- Image Magick is used by the tests to compare images (from http://www.imagemagick.org/script/binary-releases.php)
+ - Be sure to check box to "Install development headers and libraries"
+- glslang is required for demos and tests.
+ - You can download and configure it (in a peer directory) here: https://github.com/KhronosGroup/glslang/blob/master/README.md
+ - A windows batch file has been included that will pull and build the correct version. Run it from Developer Command Prompt for VS2013 like so:
+ - update_external_sources.bat --build-glslang
+