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From 09fec6d14ee6aeb3e5472f1eb8aa7e7e70c2a7c0 Mon Sep 17 00:00:00 2001
From: Joel Winarske <[email protected]>
Date: Wed, 14 Apr 2021 16:53:46 +0000
Subject: [PATCH 1/3] weston parser fixes for desktop

---
 examples/flutter-weston-desktop-shell/main.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/flutter-weston-desktop-shell/main.cc b/examples/flutter-weston-desktop-shell/main.cc
index db81ea9..51d04ec 100644
--- a/examples/flutter-weston-desktop-shell/main.cc
+++ b/examples/flutter-weston-desktop-shell/main.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <config-parser.h>
+#include <libweston/config-parser.h>
 #include <flutter/dart_project.h>
 #include <flutter/flutter_view_controller.h>
 
@@ -12,14 +12,14 @@
 
 int main(int argc, char** argv) {
   // Works as a weston desktop shell.
-  int show_cursor = 1;
+  bool show_cursor = true;
   auto config_file = weston_config_get_name_from_env();
   auto config = weston_config_parse(config_file);
   auto s =
       weston_config_get_section(config, "flutter_linux_wayland", NULL, NULL);
   char* path = nullptr;
   if (s) {
-    weston_config_section_get_bool(s, "show-cursor", &show_cursor, 1);
+    weston_config_section_get_bool(s, "show-cursor", &show_cursor, true);
     weston_config_section_get_string(
         s, "flutter-project-path", &path,
         "../../sample-app/sample/build/linux/x64/release/bundle");
-- 
2.30.2

From ef8fc6cc91a23445fd52fc2f0f456a3be94a92d9 Mon Sep 17 00:00:00 2001
From: Joel Winarske <[email protected]>
Date: Wed, 14 Apr 2021 16:55:23 +0000
Subject: [PATCH 2/3] weston parser fixes for desktop vkey

---
 .../flutter-weston-desktop-shell-virtual-keyboard/main.cc   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/flutter-weston-desktop-shell-virtual-keyboard/main.cc b/examples/flutter-weston-desktop-shell-virtual-keyboard/main.cc
index db81ea9..51d04ec 100644
--- a/examples/flutter-weston-desktop-shell-virtual-keyboard/main.cc
+++ b/examples/flutter-weston-desktop-shell-virtual-keyboard/main.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <config-parser.h>
+#include <libweston/config-parser.h>
 #include <flutter/dart_project.h>
 #include <flutter/flutter_view_controller.h>
 
@@ -12,14 +12,14 @@
 
 int main(int argc, char** argv) {
   // Works as a weston desktop shell.
-  int show_cursor = 1;
+  bool show_cursor = true;
   auto config_file = weston_config_get_name_from_env();
   auto config = weston_config_parse(config_file);
   auto s =
       weston_config_get_section(config, "flutter_linux_wayland", NULL, NULL);
   char* path = nullptr;
   if (s) {
-    weston_config_section_get_bool(s, "show-cursor", &show_cursor, 1);
+    weston_config_section_get_bool(s, "show-cursor", &show_cursor, true);
     weston_config_section_get_string(
         s, "flutter-project-path", &path,
         "../../sample-app/sample/build/linux/x64/release/bundle");
-- 
2.30.2

From abc1619e40dc49f4f5feec997636837a0a0d8606 Mon Sep 17 00:00:00 2001
From: Joel Winarske <[email protected]>
Date: Wed, 14 Apr 2021 16:56:29 +0000
Subject: [PATCH 3/3] weston include dir

---
 cmake/package.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/package.cmake b/cmake/package.cmake
index 96ad106..ce198b8 100644
--- a/cmake/package.cmake
+++ b/cmake/package.cmake
@@ -32,6 +32,7 @@ else()
     string(REPLACE "." ";" WESTON_VERSION_LIST ${WESTON_VERSION})
     list(GET WESTON_VERSION_LIST 0 WESTON_VERSION_MAJOR)
     pkg_check_modules(LIBWESTON REQUIRED libweston-${WESTON_VERSION_MAJOR})
+    include_directories(${LIBWESTON_INCLUDE_DIRS})
   endif()
 endif()
 
-- 
2.30.2

$ flutter --version
Flutter 2.1.0-11.0.pre.164 • channel unknown • unknown source
Framework • revision ede798e029 (2 days ago) • 2021-03-09 01:34:02 -0500
Engine • revision 2441c476a6
Tools • Dart 2.13.0 (build 2.13.0-116.0.dev)

Process 29798 launched: '/home/kde/flutter-embedded-linux/build/flutter-drm-backend' (aarch64)
[ERROR][native_window_drm.cc(185)] Couldn't get resources
Process 29798 stopped
* thread #1, name = 'flutter-drm-bac', stop reason = signal SIGSEGV: invalid address (fault address: 0x20)
    frame #0: 0x0000aaaaaab2e570 flutter-drm-backend`flutter::NativeWindowDrm::FindConnector(this=0x0000aaaaaac75870, resources=0x0000000000000000) at native_window_drm.cc:215:34
   212 	}
   213 	
   214 	drmModeConnectorPtr NativeWindowDrm::FindConnector(drmModeResPtr resources) {
-> 215 	  for (int i = 0; i < resources->count_connectors; i++) {
    	                                 ^
   216 	    auto connector = drmModeGetConnector(drm_device_, resources->connectors[i]);
   217 	    // pick the first connected connector
   218 	    if (connector->connection == DRM_MODE_CONNECTED) {

root@jetson-xavier-nx-devkit:~# LC_ALL=en_GB flutter-drm-eglstream-backend -b /usr/share/flutter-gallery/sony
[WARNING][linuxes_window_drm.h(112)] FLUTTER_DRM_DEVICE is not set, use /dev/dri/card0
[INFO][native_window_drm.cc(67)] resolution: 1680x1440
[INFO][linuxes_window_drm.h(140)] Display output resolution: 1680x1440
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14
[ERROR][native_window_drm.cc(43)] Couldn't move the mouse cursor: -14

root@imx8mmlpddr4evk:~# flutter-client ./bundle 
embedder.cc (1933): 'FlutterEnginePostDartObject' returned 'kInvalidArguments'. Engine not running.
embedder.cc (930): 'FlutterEngineInitialize' returned 'kInvalidArguments'. Not running in AOT mode but could not resolve the kernel binary.
[ERROR][flutter_linuxes_engine.cc(221)] Failed to start Flutter engine: error 2
Failed to create view controller.

So after copying the demo app bundel in /usr/bin, I got the following error:
root@imx8mmlpddr4evk:~# flutter-client ./bundle
embedder.cc (1933): 'FlutterEnginePostDartObject' returned 'kInvalidArguments'. Engine not running.
flutter: Observatory listening on http://127.0.0.1:33095/EMMK_h2PrrA=/
[ 1633.147478] audit: type=1701 audit(1633.140:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=457 comm="flutter-client" exe="/usr/bin/flutter-client" sig=11 res=1
Segmentation fault

root@imx8mmlpddr4evk:~# export FLUTTER_DRM_DEVICE=/dev/dri/card1
root@imx8mmlpddr4evk:~# flutter-drm-eglstream-backend --help
[ERROR][environment_egl_drm_eglst[  141.702444] audit: type=1701 audit(387.168:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=384 comm="flutter-drm-egl" exe="/usr/bin/flutter-drm-eglstream-backend" sig=11 res=1
ream.cc(15)] Failed to set extension function pointers
[ERROR][context_egl.cc(31)] Failed to choose EGL surface config: eglGetError: EGL_BAD_DISPLAY
[ERROR][context_egl_drm_eglstream.cc(20)] Failed to set extension function pointers
Segmentation fault

$ ./flutter-client ./gallery/build/linux/x64/release/bundle     

$ cmake -DUSER_PROJECT_PATH=examples/flutter-x11-client -DCMAKE_BUILD_TYPE=Debug ..
$ cmake --build .
$ FLUTTER_ENGINE_SWITCHES=2 FLUTTER_ENGINE_SWITCH_1="observatory-port=12345"  FLUTTER_ENGINE_SWITCH_2="disable-service-auth-codes" \
    ./flutter-x11-clinet sample/build/linux/x64/debug/bundle

[ERROR][linuxes_window_wayland.cc(627)] Invalid compositor and shell.
Failed to create view controller.

cmake -DUSER_PROJECT_PATH=examples/flutter-wayland-client ..
cmake --build .

In file included from /home/user/flutter/flutter-embedded-linux/src/flutter/shell/platform/linux_embedded/flutter_linuxes.cc:29:
/home/user/flutter/flutter-embedded-linux/src/flutter/shell/platform/linux_embedded/window/linuxes_window_wayland.h:76:17: error: declaration of ‘wl_pointer* flutter::LinuxesWindowWayland::CursorInfo::wl_pointer’ changes meaning of ‘wl_pointer’ [-fpermissive]
   76 |     wl_pointer* wl_pointer;
      |                 ^~~~~~~~~~
In file included from /opt/yoctosdk/3.1/sysroots/aarch64-yoctosdk-linux/usr/include/wayland-client.h:40,
                 from /home/user/flutter/flutter-embedded-linux/src/flutter/shell/platform/linux_embedded/window/linuxes_window_wayland.h:8,
                 from /home/user/flutter/flutter-embedded-linux/src/flutter/shell/platform/linux_embedded/flutter_linuxes.cc:29:
/opt/yoctosdk/3.1/sysroots/aarch64-yoctosdk-linux/usr/include/wayland-client-protocol.h:78:8: note: ‘wl_pointer’ declared here as ‘struct wl_pointer’
   78 | struct wl_pointer;
      |        ^~~~~~~~~~

[ERROR][linuxes_window_wayland.cc(627)] Invalid compositor and shell.
Failed to create view controller.

[FATAL:flutter/fml/memory/weak_ptr.h(122)] Check failed: (checker_.checker).IsCreationThreadCurrent(). 

# ldd ./flutter-drm-gbm-backend
        linux-vdso.so.1 (0x0000ffffb9c4e000)
        libxkbcommon.so.0 => /usr/lib/libxkbcommon.so.0 (0x0000ffffb9bd1000)
        libEGL.so.1 => /usr/lib/libEGL.so.1 (0x0000ffffb9b6c000)
        libdrm.so.2 => /usr/lib/libdrm.so.2 (0x0000ffffb9b49000)
        libgbm.so.1 => /usr/lib/libgbm.so.1 (0x0000ffffb9b35000)
        libinput.so.10 => /usr/lib/libinput.so.10 (0x0000ffffb9ae2000)
        libudev.so.1 => /lib/libudev.so.1 (0x0000ffffb9aa2000)
        libsystemd.so.0 => /lib/libsystemd.so.0 (0x0000ffffb99db000)
        libflutter_engine.so => /usr/lib/libflutter_engine.so (0x0000ffffb8f09000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x0000ffffb8d2a000)
        libm.so.6 => /lib/libm.so.6 (0x0000ffffb8c80000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x0000ffffb8c5b000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x0000ffffb8c2b000)
        libc.so.6 => /lib/libc.so.6 (0x0000ffffb8abe000)
        /lib/ld-linux-aarch64.so.1 (0x0000ffffb9c20000)
        libGAL.so => /usr/lib/libGAL.so (0x0000ffffb88fb000)
        libwayland-server.so.0 => /usr/lib/libwayland-server.so.0 (0x0000ffffb88d6000)
        libwayland-client.so.0 => /usr/lib/libwayland-client.so.0 (0x0000ffffb88b7000)
        libgbm_viv.so => /usr/lib/libgbm_viv.so (0x0000ffffb88a2000)
        libmtdev.so.1 => /usr/lib/libmtdev.so.1 (0x0000ffffb888c000)
        libevdev.so.2 => /usr/lib/libevdev.so.2 (0x0000ffffb885e000)
        librt.so.1 => /lib/librt.so.1 (0x0000ffffb8846000)
        liblzma.so.5 => /usr/lib/liblzma.so.5 (0x0000ffffb8811000)
        libcap.so.2 => /lib/libcap.so.2 (0x0000ffffb87fb000)
        libdl.so.2 => /lib/libdl.so.2 (0x0000ffffb87e7000)
        libffi.so.7 => /usr/lib/libffi.so.7 (0x0000ffffb87cc000)

Thread 1 "flutter-drm-gbm" received signal SIGSEGV, Segmentation fault.
0x0000fffff6fe3eb4 in __GI___pthread_mutex_lock (mutex=0xe9) at pthread_mutex_lock.c:67
67      pthread_mutex_lock.c: No such file or directory.
(gdb) backtrace
#0  0x0000fffff6fe3eb4 in __GI___pthread_mutex_lock (mutex=0xe9) at pthread_mutex_lock.c:67
#1  0x0000fffff6c6c340 in wl_proxy_create_wrapper () from /usr/lib/libwayland-client.so.0
#2  0x0000fffff7f448e0 in ?? () from /usr/lib/libEGL.so.1
#3  0x0000fffff7f3721c in eglInitialize () from /usr/lib/libEGL.so.1
#4  0x0000000000484498 in flutter::EnvironmentEgl::InitializeEgl() const ()
#5  0x00000000004842c0 in flutter::EnvironmentEgl::EnvironmentEgl(gbm_device*) ()
#6  0x00000000004830a4 in std::_MakeUniq<flutter::EnvironmentEgl>::__single_object std::make_unique<flutter::EnvironmentEgl, gbm_device*&>(gbm_device*&) ()
#7  0x00000000004829cc in flutter::NativeWindowDrmGbm::CreateRenderSurface() ()
#8  0x00000000004157cc in flutter::LinuxesWindowDrm<flutter::NativeWindowDrmGbm, flutter::SurfaceGlDrm<flutter::ContextEgl> >::CreateRenderSurface(int, int) ()
#9  0x0000000000427b48 in flutter::FlutterLinuxesView::CreateRenderSurface() ()
#10 0x0000000000410fa4 in FlutterDesktopViewControllerCreate ()
#11 0x000000000040ff50 in flutter::FlutterViewController::FlutterViewController(flutter::FlutterViewController::ViewMode, int, int, bool, flutter::DartProject const&) ()
#12 0x000000000040bd34 in std::_MakeUniq<flutter::FlutterViewController>::__single_object std::make_unique<flutter::FlutterViewController, flutter::FlutterViewController::ViewMode, int&, int&, bool&, flutter::DartProject&>(flutter::FlutterViewController::ViewMode&&, int&, int&, bool&, flutter::DartProject&) ()
#13 0x000000000040b55c in main ()