This is the ANGLE project, from http://code.google.com/p/angleproject/. Current revision: r686 == Applied local patches == In this order: angle-nspr-misc.patch - don't bother with ANGLE_OS detection with NSPR angle-renaming.patch - rename debug.h to compilerdebug.h to avoid conflict in our makefiles angle-intrinsic-msvc2005.patch - work around a MSVC 2005 compile error angle-amap-arev-fix.patch - plain bug fix, this is ANGLE r699 angle-r702.patch - this is ANGLE r702 angle-limit-identifiers-to-250-chars.patch - see bug 675625 angle-r712.patch - this is ANGLE r712 angle-win64.patch - Win64 support. This is ANGLE r697 angle-r707.patch - this is ANGLE r707 for Win64 bug fix angle-r719.patch - this is ANGLE r719 angle-r711.patch - this is ANGLE r711 fix-angle-surface-assert.patch - this is ANGLE r739 In addition to these patches, the Makefile.in files are ours, they're not present in upsteam ANGLE. == How to update this ANGLE copy == 1. Unapply patches 2. Apply diff with new ANGLE version 3. Reapply patches. 4. Check for changes in src/build_angle.gyp, update our Makefile.in files accordingly. Note that a single file may be recorded in more than one Makefile. == Visual Studio Solution Files == Ignore these. We don't use them anymore. We use custom Makefiles. == Generated parser code== Don't bother about that anymore. The parser is now generated and included in the ANGLE svn repo.