Drop OpenGL backend, since it has no maintainer and is too buggy.

svn-id: r11569

1 files changed, 0 insertions, 6 deletions

diff --git a/README b/README
index a27757e666..f17bec6599 100644
--- a/README
+++ b/README
@@ -443,7 +443,6 @@ They are:
         hq3x       - Very nice high quality filter but slow. Factor 3x.
         tv2x       - Interlace filter, tries to emulate a TV. Factor 2x.
         dotmatrix  - Dot matrix effect. Factor 2x.
-        opengl     - OpenGL with bilinear filtering [Unsupported]
 
 To select a graphics filter, pass its name via the '-g' option to scummvm,
 for example:
@@ -461,11 +460,6 @@ Note #3: The Fm Towns version of Zak (zaktowns target) uses an original
 resolution of 320x240 - hence for this game scalers will scale to 
 640x480 or 960x720.
 
-Note #4: The OpenGL filter is included as a curiosity only. It's use is
-unsupported, and unrecommended. The only benefit is hardware accelerated
-scaling, but any machine with an OpenGL card should be fast enough to use
-the software scalers (see above).
-
 5.4 Hot Keys:
 --- ---------
 ScummVM supports various in game hotkeys. They differ between the SCUMM and