It's probably not worth pushing palettized textures. The memory optimization

isn't worth the effort on modern hardware with the sorts of games that would
be using the SDL 1.3 texture API.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403422

TODO

@@ -6,7 +6,6 @@
  * Implement desktop video mode change notification?
  * Implement icon support (with translucency?)
  * Remove <= 8-bit palettized display support
- * See if we can add real alpha to the palette entries
  * Add diagonal line clipping to SDL_IntersectRectAndLine()
  * Add OpenGL 3.0 context support
  * Verify mouse grab support