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* [gentoo-commits] repo/gentoo:master commit in: dev-qt/qtgui/files/, dev-qt/qtgui/
@ 2018-02-22 20:09 99% Andreas Sturmlechner
  0 siblings, 0 replies; 1+ results
From: Andreas Sturmlechner @ 2018-02-22 20:09 UTC (permalink / raw
  To: gentoo-commits

commit:     037aded72a13031ce659eaaf6a40c43d2e5e3380
Author:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
AuthorDate: Thu Feb 22 09:37:12 2018 +0000
Commit:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
CommitDate: Thu Feb 22 20:08:42 2018 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=037aded7

dev-qt/qtgui: Bail if cached shader fails to load

Qt-Bug: https://bugreports.qt.io/browse/QTBUG-66420
See also: https://codereview.qt-project.org/#/c/221098
Package-Manager: Portage-2.3.24, Repoman-2.3.6

 dev-qt/qtgui/files/qtgui-5.9.4-opengl.patch |  87 ++++++++++++++
 dev-qt/qtgui/qtgui-5.9.4-r3.ebuild          | 175 ++++++++++++++++++++++++++++
 2 files changed, 262 insertions(+)

diff --git a/dev-qt/qtgui/files/qtgui-5.9.4-opengl.patch b/dev-qt/qtgui/files/qtgui-5.9.4-opengl.patch
new file mode 100644
index 00000000000..2a447414c21
--- /dev/null
+++ b/dev-qt/qtgui/files/qtgui-5.9.4-opengl.patch
@@ -0,0 +1,87 @@
+From b63aeba4a88088c7de61c1664a510c02d38ade84 Mon Sep 17 00:00:00 2001
+From: Antonio Larrosa <alarrosa@suse.com>
+Date: Fri, 16 Feb 2018 13:18:42 +0100
+Subject: [PATCH] opengl: Bail if cached shader fails to load
+
+QOpenGLProgramBinaryCache::setProgramBinary() should check
+GL_LINK_STATUS after glProgramBinary(), but doesn't.
+
+In practice, this means that SDDM is a white screen, and KDE is just
+a gray task bar.
+
+So far, Qt tries to check this using its internal ::link() function.
+But in case the cached binary fails to load, Qt currently attempts to
+link the inexistent program, resulting in a zero-length, fixed
+pipeline shader.
+
+Checking this already in ::setProgramBinary() makes the call to
+::link() superfluous, so we remove that as well.
+
+Done-with: Max Staudt <mstaudt@suse.com>
+Done-with: Michal Srb <msrb@suse.com>
+Done-with: Fabian Vogt <fvogt@suse.de>
+Task-number: QTBUG-66420
+Change-Id: Iabb51d0eb2c0c16bde696efff623e57d15f28d82
+Reviewed-by: Jesus Fernandez <Jesus.Fernandez@qt.io>
+Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
+(cherry picked from commit fa091640134b3ff99a9eb92df8286d15203122bf)
+---
+ src/gui/opengl/qopenglprogrambinarycache.cpp | 20 ++++++++++++++++++--
+ src/gui/opengl/qopenglshaderprogram.cpp      |  8 +-------
+ 2 files changed, 19 insertions(+), 9 deletions(-)
+
+diff --git a/src/gui/opengl/qopenglprogrambinarycache.cpp b/src/gui/opengl/qopenglprogrambinarycache.cpp
+index 06373e1..d16173d 100644
+--- a/src/gui/opengl/qopenglprogrambinarycache.cpp
++++ b/src/gui/opengl/qopenglprogrambinarycache.cpp
+@@ -161,10 +161,26 @@ bool QOpenGLProgramBinaryCache::setProgramBinary(uint programId, uint blobFormat
+     QOpenGLExtraFunctions *funcs = QOpenGLContext::currentContext()->extraFunctions();
+     while (funcs->glGetError() != GL_NO_ERROR) { }
+     funcs->glProgramBinary(programId, blobFormat, p, blobSize);
+-    int err = funcs->glGetError();
++
++    GLenum err = funcs->glGetError();
++    if (err != GL_NO_ERROR) {
++        qCDebug(DBG_SHADER_CACHE, "Program binary failed to load for program %u, size %d, "
++                                  "format 0x%x, err = 0x%x",
++                programId, blobSize, blobFormat, err);
++        return false;
++    }
++    GLint linkStatus = 0;
++    funcs->glGetProgramiv(programId, GL_LINK_STATUS, &linkStatus);
++    if (linkStatus != GL_TRUE) {
++        qCDebug(DBG_SHADER_CACHE, "Program binary failed to load for program %u, size %d, "
++                                  "format 0x%x, linkStatus = 0x%x, err = 0x%x",
++                programId, blobSize, blobFormat, linkStatus, err);
++        return false;
++    }
++
+     qCDebug(DBG_SHADER_CACHE, "Program binary set for program %u, size %d, format 0x%x, err = 0x%x",
+             programId, blobSize, blobFormat, err);
+-    return err == 0;
++    return true;
+ }
+ 
+ #ifdef Q_OS_UNIX
+diff --git a/src/gui/opengl/qopenglshaderprogram.cpp b/src/gui/opengl/qopenglshaderprogram.cpp
+index cc8af16..3b82bac 100644
+--- a/src/gui/opengl/qopenglshaderprogram.cpp
++++ b/src/gui/opengl/qopenglshaderprogram.cpp
+@@ -3824,13 +3824,7 @@ bool QOpenGLShaderProgramPrivate::linkBinary()
+     bool needsCompile = true;
+     if (binCache.load(cacheKey, q->programId())) {
+         qCDebug(DBG_SHADER_CACHE, "Program binary received from cache");
+-        linkBinaryRecursion = true;
+-        bool ok = q->link();
+-        linkBinaryRecursion = false;
+-        if (ok)
+-            needsCompile = false;
+-        else
+-            qCDebug(DBG_SHADER_CACHE, "Link failed after glProgramBinary");
++        needsCompile = false;
+     }
+ 
+     bool needsSave = false;
+-- 
+2.7.4
+

diff --git a/dev-qt/qtgui/qtgui-5.9.4-r3.ebuild b/dev-qt/qtgui/qtgui-5.9.4-r3.ebuild
new file mode 100644
index 00000000000..91c5ac088c3
--- /dev/null
+++ b/dev-qt/qtgui/qtgui-5.9.4-r3.ebuild
@@ -0,0 +1,175 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+QT5_MODULE="qtbase"
+inherit qt5-build
+
+DESCRIPTION="The GUI module and platform plugins for the Qt5 framework"
+
+if [[ ${QT5_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~x86"
+fi
+
+# TODO: linuxfb
+
+IUSE="accessibility dbus egl eglfs evdev +gif gles2 ibus
+	jpeg +libinput +png tslib tuio +udev vnc +xcb"
+REQUIRED_USE="
+	|| ( eglfs xcb )
+	accessibility? ( dbus xcb )
+	eglfs? ( egl )
+	ibus? ( dbus )
+	libinput? ( udev )
+	xcb? ( gles2? ( egl ) )
+"
+
+RDEPEND="
+	dev-libs/glib:2
+	~dev-qt/qtcore-${PV}
+	media-libs/fontconfig
+	>=media-libs/freetype-2.6.1:2
+	>=media-libs/harfbuzz-1.0.6:=
+	>=sys-libs/zlib-1.2.5
+	virtual/opengl
+	dbus? ( ~dev-qt/qtdbus-${PV} )
+	egl? ( media-libs/mesa[egl] )
+	eglfs? (
+		media-libs/mesa[gbm]
+		x11-libs/libdrm
+	)
+	evdev? ( sys-libs/mtdev )
+	gles2? ( media-libs/mesa[gles2] )
+	jpeg? ( virtual/jpeg:0 )
+	libinput? (
+		dev-libs/libinput:=
+		x11-libs/libxkbcommon
+	)
+	png? ( media-libs/libpng:0= )
+	tslib? ( x11-libs/tslib )
+	tuio? ( ~dev-qt/qtnetwork-${PV} )
+	udev? ( virtual/libudev:= )
+	vnc? ( ~dev-qt/qtnetwork-${PV} )
+	xcb? (
+		x11-libs/libICE
+		x11-libs/libSM
+		x11-libs/libX11
+		>=x11-libs/libXi-1.7.5
+		>=x11-libs/libxcb-1.10:=[xkb]
+		>=x11-libs/libxkbcommon-0.4.1[X]
+		x11-libs/xcb-util-image
+		x11-libs/xcb-util-keysyms
+		x11-libs/xcb-util-renderutil
+		x11-libs/xcb-util-wm
+	)
+"
+DEPEND="${RDEPEND}
+	evdev? ( sys-kernel/linux-headers )
+	udev? ( sys-kernel/linux-headers )
+"
+PDEPEND="
+	ibus? ( app-i18n/ibus )
+"
+
+PATCHES=(
+	"${FILESDIR}/${P}-qsimpledrag.patch" # QTBUG-66103
+	"${FILESDIR}/${P}-libinput-pixeldelta.patch" # QTBUG-59261
+	"${FILESDIR}/${P}-opengl.patch" # QTBUG-66420
+)
+
+QT5_TARGET_SUBDIRS=(
+	src/gui
+	src/openglextensions
+	src/platformheaders
+	src/platformsupport
+	src/plugins/generic
+	src/plugins/imageformats
+	src/plugins/platforms
+	src/plugins/platforminputcontexts
+)
+
+QT5_GENTOO_CONFIG=(
+	accessibility:accessibility-atspi-bridge
+	egl
+	eglfs
+	eglfs:eglfs_egldevice:
+	eglfs:eglfs_gbm:
+	evdev
+	evdev:mtdev:
+	:fontconfig
+	:system-freetype:FREETYPE
+	!:no-freetype:
+	!gif:no-gif:
+	gles2::OPENGL_ES
+	gles2:opengles2:OPENGL_ES_2
+	!:no-gui:
+	:system-harfbuzz:HARFBUZZ
+	!:no-harfbuzz:
+	jpeg:system-jpeg:IMAGEFORMAT_JPEG
+	!jpeg:no-jpeg:
+	libinput
+	libinput:xkbcommon-evdev:
+	:opengl
+	png:png:
+	png:system-png:IMAGEFORMAT_PNG
+	!png:no-png:
+	tslib
+	udev:libudev:
+	xcb:xcb:
+	xcb:xcb-glx:
+	xcb:xcb-plugin:
+	xcb:xcb-render:
+	xcb:xcb-sm:
+	xcb:xcb-xlib:
+	xcb:xinput2:
+	xcb::XKB
+)
+
+QT5_GENTOO_PRIVATE_CONFIG=(
+	:gui
+)
+
+src_prepare() {
+	# egl_x11 is activated when both egl and xcb are enabled
+	use egl && QT5_GENTOO_CONFIG+=(xcb:egl_x11) || QT5_GENTOO_CONFIG+=(egl:egl_x11)
+
+	qt_use_disable_config dbus dbus \
+		src/platformsupport/themes/genericunix/genericunix.pri
+
+	qt_use_disable_config tuio udpsocket src/plugins/generic/generic.pro
+
+	qt_use_disable_mod ibus dbus \
+		src/plugins/platforminputcontexts/platforminputcontexts.pro
+
+	use vnc || sed -i -e '/SUBDIRS += vnc/d' \
+		src/plugins/platforms/platforms.pro || die
+
+	qt5-build_src_prepare
+}
+
+src_configure() {
+	local myconf=(
+		$(usex dbus -dbus-linked '')
+		$(qt_use egl)
+		$(qt_use eglfs)
+		$(usex eglfs '-gbm -kms' '')
+		$(qt_use evdev)
+		$(qt_use evdev mtdev)
+		-fontconfig
+		-system-freetype
+		$(usex gif '' -no-gif)
+		-gui
+		-system-harfbuzz
+		$(qt_use jpeg libjpeg system)
+		$(qt_use libinput)
+		$(qt_use libinput xkbcommon-evdev)
+		-opengl $(usex gles2 es2 desktop)
+		$(qt_use png libpng system)
+		$(qt_use tslib)
+		$(qt_use udev libudev)
+		$(qt_use xcb xcb system)
+		$(qt_use xcb xkbcommon-x11 system)
+		$(usex xcb '-xcb-xlib -xinput2 -xkb' '')
+	)
+	qt5-build_src_configure
+}


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