Dlr/build ubuntu22.04

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.25)
+cmake_minimum_required(VERSION 3.22)
 
 #set(CMAKE_CXX_COMPILER "clang++")
 #set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -fsycl")
@@ -310,4 +310,4 @@ else()
     target_compile_definitions(VulkanRenderer PRIVATE MULTISENSE_VIEWER_DEBUG)
     target_compile_definitions(ScriptLibrary PRIVATE MULTISENSE_VIEWER_DEBUG)
     target_compile_definitions(MultiSense-Viewer PRIVATE MULTISENSE_VIEWER_DEBUG)
-endif()
+endif()

docs/BUILD.md

@@ -14,27 +14,37 @@ Install Dependencies:
 
 Open your terminal and type in
 ```sh
-$ apt update
-$ apt install build-essential cmake git libzstd-dev libsdl2-dev libgl1-mesa-glx libgl1-mesa-dev libvulkan1 libvulkan-dev libassimp-dev opencl-c-headers libfmt-dev libgtk-3-dev
+$ sudo apt update
+$ sudo apt install build-essential cmake git libzstd-dev libsdl2-dev libgl1-mesa-glx libgl1-mesa-dev libvulkan1 libvulkan-dev libassimp-dev opencl-c-headers libfmt-dev libgtk-3-dev
 
-$ apt install pkg-config libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libtbb-dev libssl-dev
+$ sudo apt install pkg-config libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libtbb-dev libssl-dev libwebp-dev libsystemd-dev
+```
+Make sure you have a recent version of the Vulkan SDK installed.  Note that some linux distributions provide this natively.  For example, on Ubuntu 22.04, you can simply run
+```sh
+$ sudo apt install libvulkan-dev
 ```
-To get the latest vulkan SDK for Ubuntu 20.04. use the following (Copied from https://vulkan.lunarg.com/sdk/home#linux):
+You can also get the vulkan SDK from the Vulkan homepage (https://vulkan.lunarg.com/sdk/home#linux).  For example, here are instructions for installing version 1.3.215 of the Vulkan SDK under Ubuntu 20.04, copied directly from that page:
 ```sh
 $ sudo apt install wget
 $ wget -qO - https://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo apt-key add -
 $ sudo wget -qO /etc/apt/sources.list.d/lunarg-vulkan-1.3.216-focal.list https://packages.lunarg.com/vulkan/1.3.216/lunarg-vulkan-1.3.216-focal.list
 $ sudo apt update
 $ sudo apt install vulkan-sdk
 ```
-Clone the git repo and build the MultiSense Viewer
+Clone the git repo and build the MultiSense Viewer.
 ```sh
 $ git clone --recurse-submodule https://github.com/carnegierobotics/multisense_viewer
 $ cd MultiSense-Viewer
 $ mkdir build && cd build
 $ cmake ..
 $ make -j12 # j-parallell jobs (Same number as cores on your cpu for faster compile)
 ```
+Note that for some Ubuntu versions, you may need to allow some warnings in order to achieve a successful build.
+```sh
+$ git clone --recurse-submodule https://github.com/carnegierobotics/multisense_viewer
+$ cmake -DWARNINGS_AS_ERRORS=FALSE ..
+$ make -j12
+```
 
 In your build folder there is a executable called Multisense-viewer. Launch this to start the application.
 To be able to use the auto connect feature, launch with root/admin privileges.

include/Viewer/ImGui/SideBarLayer.h

@@ -922,7 +922,7 @@ class SideBarLayer : public VkRender::Layer {
                 for (size_t n = 0; n < entryConnectDeviceList.size(); n++) {
                     if (entryConnectDeviceList[n].cameraName.empty()) continue;
                     if (ImGui::Selectable((entryConnectDeviceList[n].cameraName + "##" + std::to_string(n)).c_str(),
-                                          resultsComboIndex == n,
+                                          resultsComboIndex == static_cast<int>(n),
                                           ImGuiSelectableFlags_DontClosePopups,
                                           ImVec2(handles->info->popupWidth - (20.0f * 2), 15.0f))) {
                         handles->usageMonitor->userClickAction(entryConnectDeviceList[n].cameraName, "Selectable",