Package: release.debian.org
Severity: normal
User: release.debian@packages.debian.org
Usertags: unblock
Please unblock package nageru
It contains a fix for an RC bug that is only seen with recent
versions of Mesa (but buster's Mesa is new enough). The fix
is a trivial backport from upstream git (I wrote it myself).
diff -Nru nageru-1.8.4/debian/patches/fix-mesa-glsl-cache-crashes.diff
nageru-1.8.4/debian/patches/fix-mesa-glsl-cache-crashes.diff
--- nageru-1.8.4/debian/patches/fix-mesa-glsl-cache-crashes.diff
1970-01-01 01:00:00.0 +0100
+++ nageru-1.8.4/debian/patches/fix-mesa-glsl-cache-crashes.diff
2019-06-10 16:16:54.0 +0200
@@ -0,0 +1,26 @@
+Index: nageru-1.8.4/shared/context.cpp
+===
+--- nageru-1.8.4.orig/shared/context.cpp
nageru-1.8.4/shared/context.cpp
+@@ -50,7 +50,20 @@ QOpenGLContext *create_context(const QSu
+ {
+ QOpenGLContext *context = new QOpenGLContext;
+
context->setShareContext(global_share_widget->context()->contextHandle());
+- context->setFormat(surface->format());
++
++ // Qt has a bug (QTBUG-76299) where, when using EGL, the surface ignores
++ // the requested OpenGL context version and just becomes 2.0. Mesa
honors
++ // this and gives us a 3.0 compatibility context, but then has a bug
related
++ // to its shader cache (Mesa bug #110872) that causes spurious linker
failures
++ // when we need to re-link a Movit shader in the same context. However,
++ // the surface itself doesn't use the OpenGL version in its format for
anything,
++ // so we can just override it and get a proper context.
++ QSurfaceFormat fmt = surface->format();
++ fmt.setProfile(QSurfaceFormat::CoreProfile);
++ fmt.setMajorVersion(4);
++ fmt.setMinorVersion(5);
++ context->setFormat(fmt);
++
+ context->create();
+ return context;
+ }
diff -Nru nageru-1.8.4/debian/patches/series nageru-1.8.4/debian/patches/series
--- nageru-1.8.4/debian/patches/series 2018-12-30 20:11:40.0 +0100
+++ nageru-1.8.4/debian/patches/series 2019-06-10 16:15:00.0 +0200
@@ -1 +1,2 @@
prefix-usr.diff
+fix-mesa-glsl-cache-crashes.diff
unblock nageru/1.8.4-2
-- System Information:
Debian Release: 10.0
APT prefers testing-debug
APT policy: (500, 'testing-debug'), (500, 'testing'), (500, 'stable'), (1,
'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.1.2 (SMP w/40 CPU cores)
Locale: LANG=en_DK.UTF-8, LC_CTYPE=en_DK.UTF-8 (charmap=UTF-8),
LANGUAGE=en_NO:en_US:en_GB:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
