Bug 823626 – dev-qt/qt3d-5.15.2-r10 - /.../abstractpickingjob.cpp: error: cannot convert const Matrix4x4 {aka const Qt3DCore::Matrix4x

• Status: CONFIRMED
• Product: Gentoo Linux

[Description Toralf Förster 2021-11-13 17:49:39 UTC]

/var/tmp/portage/dev-qt/qt3d-5.15.2-r10/work/qt3d-7edec6e014de27b9dd03f63875c471aac606a918/src/render/jobs/abstractpickingjob.cpp: In static member function ‘static Qt3DRender::RayCasting::QRay3D Qt3DRender::Render::AbstractPickingJob::intersectionRay(const QPoint&, const Matrix4x4&, const Matrix4x4&, const QRect&)’:
/var/tmp/portage/dev-qt/qt3d-5.15.2-r10/work/qt3d-7edec6e014de27b9dd03f63875c471aac606a918/src/render/jobs/abstractpickingjob.cpp:110:33: error: cannot convert ‘const Matrix4x4’ {aka ‘const Qt3DCore::Matrix4x4_SSE’} to ‘const Qt3DCore::Matrix4x4_AVX2&’
  110 |     nearPos = nearPos.unproject(viewMatrix, projectionMatrix, viewport);
      |                                 ^~~~~~~~~~
      |                                 |
      |                                 const Matrix4x4 {aka const Qt3DCore::Matrix4x4_SSE}

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  This is an stable amd64 chroot image at a tinderbox (==build bot)
  name: 17.1_desktop_gnome_systemd-j4_stable-20211112-181438

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gcc-config -l:
 [1] x86_64-pc-linux-gnu-11.2.0 *
clang version 13.0.0
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm/13/bin
/usr/lib/llvm/13
13.0.0
Python 3.9.7
Available Ruby profiles:
  [1]   ruby26 (with Rubygems)
  [2]   ruby27 (with Rubygems) *
Available Rust versions:
  [1]   rust-bin-1.56.1
  [2]   rust-1.56.1 *
php cli:
  [1]   php7.4
  [2]   php8.0 *

  HEAD of ::gentoo
commit 3b7c8b4689ce21e61109783a6c1e514e3836b0f4
Author: Repository mirror & CI <[e-mail]>
Date:   Sat Nov 13 15:51:32 2021 +0000

    2021-11-13 15:51:30 UTC

emerge -qpvO dev-qt/qt3d
[ebuild  N    ] dev-qt/qt3d-5.15.2-r10  USE="-debug -gamepad -gles2-only -qml -test -vulkan"

[Comment 1 Toralf Förster 2021-11-13 17:49:40 UTC]

Created attachment 750930 [details]
emerge-info.txt

[Comment 2 Toralf Förster 2021-11-13 17:49:41 UTC]

Created attachment 750933 [details]
dev-qt:qt3d-5.15.2-r10:20211113-171438.log.bz2

[Comment 3 Toralf Förster 2021-11-13 17:49:42 UTC]

Created attachment 750936 [details]
emerge-history.txt

[Comment 4 Toralf Förster 2021-11-13 17:49:44 UTC]

Created attachment 750939 [details]
environment

[Comment 5 Toralf Förster 2021-11-13 17:49:45 UTC]

Created attachment 750942 [details]
etc.portage.tar.bz2

[Comment 6 Toralf Förster 2021-11-13 17:49:46 UTC]

Created attachment 750945 [details]
logs.tar.bz2

[Comment 7 Toralf Förster 2021-11-13 17:49:47 UTC]

Created attachment 750948 [details]
temp.tar.bz2

[Comment 8 James Beddek 2022-03-09 08:28:27 UTC]

Patch: https://codereview.qt-project.org/gitweb?p=qt/qt3d.git;a=patch;h=b456a7d47a36dc3429a5e7bac7665b12d257efea

[Comment 9 James Beddek 2022-03-09 08:35:35 UTC]

Well never mind, I guess that's already applied.

[Comment 10 Jaroslaw Kalinowski 2022-04-29 12:20:52 UTC]

The same problem is discussed on FreeBSD bugzilla. The patch adapted from here: https://bugs.freebsd.org/bugzilla//show_bug.cgi?id=248155 worked for me but there is a warning that it may break things if CPU does not support AVX2.

--- a/src/core/configure.json
+++ b/src/core/configure.json
@@ -96,7 +96,7 @@
         "qt3d-simd-avx2": {
             "label": "Use AVX2 instructions",
             "purpose": "Use AVX2 SIMD instructions to accelerate matrix operations",
-            "autoDetect": "subarch.avx2",
+            "autoDetect": "features.avx2",
             "enable": "input.qt3d-simd == 'avx2'",
             "disable": "input.qt3d-simd == 'sse2' || input.qt3d-simd == 'no' || arch.i386",
             "output": [ "privateFeature" ]