This was necessary because everything is already allocated with the Xmalloc() functions, but a future commit will make blocks allocated with those functions no longer compatible with the system implementation of free(), which Bfree() wraps.
git-svn-id: https://svn.eduke32.com/eduke32@7705 1a8010ca-5511-0410-912e-c29ae57300e0
# Conflicts:
# source/build/src/build.cpp
# source/build/src/mdsprite.cpp
# source/build/src/polymer.cpp
# source/build/src/polymost.cpp
# source/build/src/texcache.cpp
# source/build/src/voxmodel.cpp
When glsurface is available, use GL to upscale the render buffer.
Additionally, fix build issues with sdlayer12 introduced by GLAD changes (r6656).
git-svn-id: https://svn.eduke32.com/eduke32@6939 1a8010ca-5511-0410-912e-c29ae57300e0
Fix root causes of issues causing crash and black screen in Mapster32 when switching back and forth between 3D & 2D modes
git-svn-id: https://svn.eduke32.com/eduke32@6931 1a8010ca-5511-0410-912e-c29ae57300e0