pch: jpeg's headers conflict with INT32 typedef when in pch.

Change-Id: I02b8fa22c11895d00e29d93b25397af676e3edae
windows: msbuild gets completely confused when the 'Platform' envvar is set.

Change-Id: Iea04859c6afa203bd6b527b99c680ff4176cf9e1
opengl: Do not check for OpenGL errors in a loop.

Can lead to an infinite loop.

Change-Id: I09863959719115aec23534ac72a9a9690af3aeb9
windows: Improve logging.

Change-Id: I15e6d240b3c94af07e9b39cc16efb581869729f2
windows opengl: Use the updated DrawMask to get nice text with OpenGL.

Change-Id: Ie4f08575848e76159af86d44e10f24fa383930fb