Daniel Gibson bee4102374 Fix several warnings, warn if not using depth buffer
Fixed -Wreorder warnings (hopefully the last?), also several potentially
uninitialized variables.

In SetupPixelFormat_OGL() Assert if gap_iDepthBits ends up being 0.

Small adjustments to cmake warning settings for gcc/clang
2016-05-09 18:48:39 +02:00
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