get rid of special case drawing via Draw3D() for text and emreels

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@480 14438d79-0ffd-4333-8ae7-ea2bdd901387
Fix initial EMReel draw

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@481 14438d79-0ffd-4333-8ae7-ea2bdd901387
Optimize draw calls for acrylics

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@482 14438d79-0ffd-4333-8ae7-ea2bdd901387
get rid of clipper, will allow for more bltfasts

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@483 14438d79-0ffd-4333-8ae7-ea2bdd901387
exchange Blts by BltFast now that Clipper is gone

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@484 14438d79-0ffd-4333-8ae7-ea2bdd901387
add some comments and rename acrylic to alpha where it makes sense nowadays

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@485 14438d79-0ffd-4333-8ae7-ea2bdd901387
play safe and init region to value offscreen

..which helps when debugging updating issues

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@486 14438d79-0ffd-4333-8ae7-ea2bdd901387