Added warning about GLX choosing indirect rendering

original commit: 4c95f3da0d2a8885cd9fa6d9c12aa9ac07dce5f3
This commit is contained in:
Neil Toronto 2014-10-01 22:12:59 -04:00
parent faa9ae72fd
commit 4f9ce70cef

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@ -254,7 +254,11 @@ OpenGL drawing through a context returned by @xmethod[dc<%> get-gl-context].
For @racket[dc<%>] drawing, an OpenGL-supporting bitmap draws like a For @racket[dc<%>] drawing, an OpenGL-supporting bitmap draws like a
bitmap from @racket[make-screen-bitmap] on some platforms, while it bitmap from @racket[make-screen-bitmap] on some platforms, while it
draws like a bitmap instantiated directly from @racket[bitmap%] on draws like a bitmap instantiated directly from @racket[bitmap%] on
other platforms.} other platforms.
Be aware that on Unix systems, GLX may choose indirect rendering for OpenGL
drawing to bitmaps, which can limit its features to OpenGL 1.4 or below.
}
@defproc[(make-gui-empty-namespace) namespace?]{ @defproc[(make-gui-empty-namespace) namespace?]{