From 4c95f3da0d2a8885cd9fa6d9c12aa9ac07dce5f3 Mon Sep 17 00:00:00 2001 From: Neil Toronto Date: Wed, 1 Oct 2014 22:12:59 -0400 Subject: [PATCH] Added warning about GLX choosing indirect rendering --- pkgs/gui-pkgs/gui-doc/scribblings/gui/miscwin-funcs.scrbl | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/pkgs/gui-pkgs/gui-doc/scribblings/gui/miscwin-funcs.scrbl b/pkgs/gui-pkgs/gui-doc/scribblings/gui/miscwin-funcs.scrbl index 1d9661baeb..b625d0c4ae 100644 --- a/pkgs/gui-pkgs/gui-doc/scribblings/gui/miscwin-funcs.scrbl +++ b/pkgs/gui-pkgs/gui-doc/scribblings/gui/miscwin-funcs.scrbl @@ -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 bitmap from @racket[make-screen-bitmap] on some platforms, while it 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?]{