Simplify RE_StretchRaw() with RE_UploadCinematic() and RB_InstantQuad2().
Some minor cleanup.
Merge branch 'HEAD' of https://github.com/ioquake/ioq3.git
Merge branch 'HEAD' of https://github.com/ioquake/ioq3.git
Fix clampmapped images being always treated as sRGB.
Merge branch 'HEAD' of https://github.com/ioquake/ioq3.git