S2TC is a patent-free S3TC compatible implementation and provides texture
compression to Mesa.
The library is automatically loaded if present and adds the OpenGL extensions
GL_S3_s3tc and GL_EXT_texture_compression_s3tc.
WWW: https://github.com/divVerent/s2tc
graphics/libtxc_dxtn: remove port
Remove libtxc_dxtn as s2tc is based on a newer version and includes extra
components (command line tools for texture compression).
s2tc is also based on a newer version than libtxc_dxtn.
Approved by: x11 (dumbbell@)
Add libtxc_dxtn.
S2TC is a patent-free S3TC compatible implementation and provides texture
compression to Mesa.
The library is automatically loaded if present and adds the OpenGL extensions
GL_S3_s3tc and GL_EXT_texture_compression_s3tc.
Submitted by: dumbbell@