61 lines
2.2 KiB
Diff
61 lines
2.2 KiB
Diff
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From 23a563155406980dfc8cf6f7c2da6cce0ac310f0 Mon Sep 17 00:00:00 2001
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From: Jussi Kukkonen <jussi.kukkonen@intel.com>
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Date: Fri, 16 Oct 2015 16:35:16 +0300
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Subject: [PATCH 2/4] Do not try to initialize GL without libGL
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_gdk_x11_screen_update_visuals_for_gl() will end up calling epoxys
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GLX api which will exit() if libGL.so.1 is not present. We do not
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want that to happen and we don't want every app to have to set
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"GDK_GL=disabled" environment variable: so use #ifdef set based on
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opengl distro feature.
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Upstream is not interested in the fix as it is: Either epoxy should be
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fixed (to not exit) or GTK+ possibly could do some additional probing
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before calling epoxy APIs.
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Upstream-Status: Denied
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Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
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---
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configure.ac | 6 ++++++
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gdk/x11/gdkvisual-x11.c | 5 +++++
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2 files changed, 11 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 757fd7c..0a48875 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -351,6 +351,12 @@ AC_ARG_ENABLE(cloudproviders,
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[AS_HELP_STRING([--enable-cloudproviders],
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[enable libcloudproviders integration])],
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[cloudproviders_set=yes])
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+AC_ARG_ENABLE(glx,
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+ [AS_HELP_STRING([--enable-glx],
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+ [When enabled Gdk will try to initialize GLX])])
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+AS_IF([test "x$enable_glx" != "xno"], [
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+ AC_DEFINE([HAVE_GLX], [], [GLX will be available at runtime])
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+])
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if test -z "$backend_set"; then
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if test "$platform_win32" = yes; then
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diff --git a/gdk/x11/gdkvisual-x11.c b/gdk/x11/gdkvisual-x11.c
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index 81479d8..3c8c5c0 100644
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--- a/gdk/x11/gdkvisual-x11.c
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+++ b/gdk/x11/gdkvisual-x11.c
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@@ -306,7 +306,12 @@ _gdk_x11_screen_init_visuals (GdkScreen *screen)
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/* If GL is available we want to pick better default/rgba visuals,
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as we care about glx details such as alpha/depth/stencil depth,
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stereo and double buffering */
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+ /* update_visuals_for_gl() will end up calling epoxy GLX api which
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+ will exit if libgl is not there: so only do this if we know GL
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+ is available */
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+#ifdef HAVE_GLX
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_gdk_x11_screen_update_visuals_for_gl (screen);
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+#endif
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}
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gint
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--
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2.14.1
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