Improve cmake and GUI (#13)
+ Packaging and CI for Windows, Mac, Linux + Debian package, NSIS Windows installer, OSX appbundle + Example application using libqtk + Component installation for `qtk`, `libqtk`, or `collection` with cmake
This commit was merged in pull request #13.
This commit is contained in:
369
README.md
369
README.md
@@ -1,92 +1,225 @@
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# Qtk
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[](https://github.com/shaunrd0/qtk/actions/workflows/all-builds.yml)
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[](https://github.com/shaunrd0/qtk/actions/workflows/linting.yml)
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Model loader using [Assimp](https://assimp.org/) within a Qt widget application.
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Qtk is a Qt OpenGL graphics library created primarily for my own learning
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purposes. The library wraps some QOpenGL functionality in convenience classes
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that allow rendering geometry in 2D and 3D using custom GLSL shader programs.
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You can import your own models within `app/examplescene.cpp`, inside the
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`ExampleScene::init()` function. Rotations and translations
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happen in `ExampleScene::update()`.
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The long-term goal for this project is to create a tool that I can use to
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practice shader coding or graphics programming techniques. In doing this I hope
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to also learn more about the Qt UI framework, and the CMake build system.
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To get textures loading on models look into [material files](http://www.paulbourke.net/dataformats/mtl/)
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Key features that are planned:
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* Runtime loading of `.obj` or similar 3D models.
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* Drag-and-drop interaction for adding objects to the scene.
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* Runtime reloading of modified GLSL shaders attached to objects within scenes.
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* Multiple views of a scene at one time.
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* Camera control modes such as panning, orbiting, or following objects.
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* Save / load for scene data. The current inheritance model is temporary.
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* Basic text editor for quickly modifying shaders attached to objects.
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* Shader / object properties panel to modify related settings.
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* Reduce size of application resources and git references.
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The Qtk desktop application provides a model loader
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using [Assimp](https://assimp.org/) within a Qt widget application.
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For examples of using the Qtk API, see the `example-app` project in the root of
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this repository.
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To get textures loading on models look
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into [material files](http://www.paulbourke.net/dataformats/mtl/)
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and see some examples in the `resources/models/` directory.
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The syntax for adding shapes and models is seen in the example below.
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This would result in a scene with a red cube and a miniature spartan model placed on top.
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```C++
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// From: qtk/app/examplescene.cpp
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void ExampleScene::init() {
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// Add a skybox to the scene using default cube map images and settings.
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setSkybox(new Qtk::Skybox("Skybox"));
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/* Create a red cube with a mini master chief on top. */
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auto myCube = new MeshRenderer("My cube", Cube(Qtk::QTK_DRAW_ELEMENTS));
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myCube->setColor(RED);
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mMeshes.push_back(myCube);
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auto mySpartan = new Model("My spartan", ":/models/spartan/spartan.obj");
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mySpartan->getTransform().setTranslation(0.0f, 0.5f, 0.0f);
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mySpartan->getTransform().setScale(0.5f);
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mModels.push_back(mySpartan);
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}
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```
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If we want to make our spartan spin, we need to apply rotation in `update`
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```C++
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// From: qtk/app/examplescene.cpp
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void ExampleScene::update() {
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auto mySpartan = Model::getInstance("My spartan");
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mySpartan->getTransform().rotate(0.75f, 0.0f, 1.0f, 0.0f);
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auto myCube = MeshRenderer::getInstance("My cube");
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myCube->getTransform().rotate(-0.75f, 0.0f, 1.0f, 0.0f);
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}
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```
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### Source Builds
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Builds are configured for CLion or [Qt Creator](https://github.com/qt-creator/qt-creator).
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Simply open the root `CMakeLists.txt` with either of these editors and configurations will be loaded.
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Qtk was developed and tested using CLion
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and [Qt Creator](https://github.com/qt-creator/qt-creator).
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Simply open the root `CMakeLists.txt` with either of these editors and
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configurations will be loaded.
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This project has been ported to Qt6, which is not yet available in Ubuntu apt repositories.
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To run this project, you will *need* to install [Qt6 Open Source Binaries](https://www.qt.io/download-qt-installer) for your system.
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Be sure to take note of the Qt6 installation directory, as we will need it to correctly set our `CMAKE_PREFIX_PATH` in the next steps.
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This project has been ported to **Qt 6.5.0**, which is not yet available in
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Ubuntu apt repositories.
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To run this project, you will *need* to
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install [Qt6 Open Source Binaries](https://www.qt.io/download-qt-installer) for
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your system, **version 6.5.0** or later.
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Be sure to take note of the Qt6 installation directory, as we will need it to
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correctly set our `CMAKE_PREFIX_PATH` in the next steps.
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#### Linux
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If the build is configured with all options enabled, we can subsequently install
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individual components as needed with cmake.
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Once Qt6 is installed, to build and run `qtk` on Ubuntu -
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```bash
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sudo apt update -y && sudo apt install libassimp-dev cmake build-essential git
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git clone https://gitlab.com/shaunrd0/qtk
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cmake -DCMAKE_PREFIX_PATH=$HOME/Qt/6.3.1/gcc_64 -S qtk/ -B qtk/build/ && cmake --build qtk/build/ -j $(nproc --ignore=2) --target qtk-main
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./qtk/build/qtk-main
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cmake -B build-all/ -DQTK_BUILD_GUI=ON -DQTK_INSTALL_LIBRARY=ON -DQTK_INSTALL_PLUGINS=ON
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```
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By default, the build will initialize Assimp as a git submodule and build from source.
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We can turn this off by setting the `-DQTK_UPDATE_SUBMODULES=OFF` flag when running CMake.
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This will greatly increase build speed, but we will need to make sure Assimp is available either system-wide or using a custom `CMAKE_PREFIX_PATH`.
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Using `-DQTK_UPDATE_SUBMODULES=ON` supports providing assimp on cross-platform builds (Windows / Mac / Linux) and may be easier to configure.
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```bash
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# Install libqtk only
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cmake --install build-all/ --prefix=$(pwd)/install --component libqtk
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-- Install configuration: "Release"
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-- Up-to-date: /home/shaun/Code/qtk/install/lib/cmake/Qtk/QtkConfig.cmake
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-- Up-to-date: /home/shaun/Code/qtk/install/lib/cmake/Qtk/QtkConfigVersion.cmake
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-- Up-to-date: /home/shaun/Code/qtk/install/lib/cmake/Qtk/QtkTargets.cmake
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-- Up-to-date: /home/shaun/Code/qtk/install/lib/cmake/Qtk/QtkTargets-release.cmake
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-- Up-to-date: /home/shaun/Code/qtk/install/lib/static/libqtk_library.a
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/camera3d.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/input.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/meshrenderer.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/model.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/modelmesh.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/object.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/qtkapi.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/qtkiostream.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/qtkiosystem.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/scene.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/shape.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/skybox.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/texture.h
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-- Up-to-date: /home/shaun/Code/qtk/install/include/qtk/transform3D.h
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# Install Qtk widget collection to use Qt Designer
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cmake --install build-all/ --prefix=$(pwd)/install --component collection
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-- Install configuration: "Release"
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-- Up-to-date: /home/shaun/Qt/6.5.0/gcc_64/../../Tools/QtCreator/lib/Qt/lib/libqtk_library.a
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-- Up-to-date: /home/shaun/Qt/6.5.0/gcc_64/../../Tools/QtCreator/lib/Qt/lib/libqtk_plugin_library.a
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-- Up-to-date: /home/shaun/Qt/6.5.0/gcc_64/../../Tools/QtCreator/lib/Qt/plugins/designer/libqtk_collection.so
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# Install Qtk desktop application (output removed)
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cmake --install build-all/ --prefix=$(pwd)/install --component qtk
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```
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#### Qtk GUI
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Once Qt6 is installed, to build and run `qtk` on Ubuntu -
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```bash
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sudo apt update -y && sudo apt install freeglut3-dev libassimp-dev cmake build-essential git
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git clone https://gitlab.com/shaunrd0/qtk
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cmake -DQTK_UPDATE_SUBMODULES=OFF -DCMAKE_PREFIX_PATH=$HOME/Qt/6.3.1/gcc_64 -S qtk/ -B qtk/build/ && cmake --build qtk/build/ -j $(nproc --ignore=2) --target qtk-main
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# We can also provide a path to assimp -
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#cmake -DQTK_UPDATE_SUBMODULES=OFF -DCMAKE_PREFIX_PATH=$HOME/Qt/6.3.1/gcc_64;/path/to/assimp/ -S qtk/ -B qtk/build/ && cmake --build qtk/build/ -j $(nproc --ignore=2) --target qtk-main
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./qtk/build/qtk-main
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sudo apt update -y && sudo apt install libassimp-dev cmake build-essential git ccache -y
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git clone https://github.com/shaunrd0/qtk
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cmake -S qtk/ -B qtk/build/ -DCMAKE_PREFIX_PATH=$HOME/Qt/6.5.0/gcc_64
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cmake --build qtk/build/ -j $(nproc --ignore=2)
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./qtk/build/bin/qtk-main
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```
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By default, the build will not initialize Assimp as a git submodule and build
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from source.
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We can turn this on by setting the `-DQTK_UPDATE_SUBMODULES=ON` flag when
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running CMake.
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Building using this option will fetch and build Assimp for us, but builds will
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take longer as a result.
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Using `-DQTK_UPDATE_SUBMODULES=ON` supports providing assimp on cross-platform
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builds (Windows / Mac / Linux) and may be easier to configure.
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```bash
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cmake -S qtk/ -B qtk/build/ -DQTK_UPDATE_SUBMODULES=ON -DCMAKE_PREFIX_PATH=$HOME/Qt/6.5.0/gcc_64
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cmake --build qtk/build/ -j $(nproc --ignore=2)
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./qtk/build/bin/qtk-main
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```
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If any errors are encountered loading plugins, we can debug plugin loading by
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setting the following environment variable -
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```bash
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QT_DEBUG_PLUGINS=1 ./qtk-main
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```
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#### Qtk Library
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Qtk provides a simple library for working with QOpenGL.
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We can install this library on a system path or a custom path and then
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set `CMAKE_PREFIX_PATH` to point to this location when building an application
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using libqtk.
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Below is an example of installing on a system path.
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```bash
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cmake -S qtk/ -B qtk/build/ -DCMAKE_PREFIX_PATH=$HOME/Qt/6.5.0/gcc_64 -DQTK_BUILD_GUI=OFF -DQTK_INSTALL_PLUGINS=OFF -DQTK_DEBUG=OFF
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cmake --build qtk/build/ -j $(nproc --ignore=2)
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sudo cmake --install . --prefix=/usr/local
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-- Install configuration: "Release"
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-- Installing: /usr/local/lib/cmake/Qtk/QtkConfig.cmake
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-- Installing: /usr/local/lib/cmake/Qtk/QtkConfigVersion.cmake
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-- Installing: /usr/local/lib/cmake/Qtk/QtkTargets.cmake
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-- Installing: /usr/local/lib/cmake/Qtk/QtkTargets-release.cmake
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-- Installing: /usr/local/lib/static/libqtk_library.a
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-- Installing: /usr/local/include/qtk/camera3d.h
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-- Installing: /usr/local/include/qtk/input.h
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-- Installing: /usr/local/include/qtk/meshrenderer.h
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-- Installing: /usr/local/include/qtk/model.h
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-- Installing: /usr/local/include/qtk/modelmesh.h
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-- Installing: /usr/local/include/qtk/object.h
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-- Installing: /usr/local/include/qtk/qtkapi.h
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-- Installing: /usr/local/include/qtk/qtkiostream.h
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-- Installing: /usr/local/include/qtk/qtkiosystem.h
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-- Installing: /usr/local/include/qtk/scene.h
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-- Installing: /usr/local/include/qtk/shape.h
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-- Installing: /usr/local/include/qtk/skybox.h
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-- Installing: /usr/local/include/qtk/texture.h
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-- Installing: /usr/local/include/qtk/transform3D.h
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```
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#### Qtk Plugin Collection
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This project defines a collection of widget plugins for use with Qt Designer.
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These plugins were used to build the interface for the Qtk desktop application.
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Qt Designer will list Qtk widgets in the side panel when editing a UI file
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within the designer.
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Qtk widgets will also render and behave correctly within the UI preview in
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designer.
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The widgets in the Qtk collection were created by implementing
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the [QDesignerCustomWidgetInterface](https://doc.qt.io/qt-6/qdesignercustomwidgetinterface.html#details)
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and [QDesignerCustomWidgetCollectionInterface](https://doc.qt.io/qt-6/qdesignercustomwidgetcollectioninterface.html)
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interfaces.
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To build and install the Qtk plugin collection -
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```bash
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cmake -S /path/to/qtk -B /path/to/qtk/build -DCMAKE_PREFIX_PATH=$HOME/Qt/6.5.0/gcc_64 -DQTK_INSTALL_PLUGINS=ON -DQTK_BUILD_GUI=OFF -DQTK_INSTALL_LIBRARY=OFF
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cmake --build /path/to/qtk/build
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cmake --install /path/to/qtk/build
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```
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To uninstall after a previous installation, we can run the following command
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from the root of the repository.
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```bash
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xargs rm < build/install_manifest.txt
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```
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#### Windows / MacOS
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If you are building on **Windows / Mac** and bringing your own installation of Assimp, consider setting the `-DASSIMP_NEW_INTERFACE` build flag.
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If you are building on **Windows / Mac**, consider setting
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the `-DASSIMP_NEW_INTERFACE` build flag.
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```bash
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cmake -DASSIMP_NEW_INTERFACE=ON -DQTK_UPDATE_SUBMODULES=OFF -DCMAKE_PREFIX_PATH=$HOME/Qt/6.3.1/gcc_64;/path/to/assimp/ -S qtk/ -B qtk/build/ && cmake --build qtk/build/ -j $(nproc --ignore=2) --target qtk-main
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cmake -S qtk/ -B qtk/build/ -DASSIMP_NEW_INTERFACE=ON -DCMAKE_PREFIX_PATH=$HOME/Qt/6.5.0/gcc_64;/path/to/assimp/
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cmake --build qtk/build/ -j $(nproc --ignore=2)
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```
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### Controls
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You can fly around the scene if you hold the right mouse button and use WASD.
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If you see a small triangle floating by a model it represents the light source
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that is being used for the shader rendering the model. These appear on models
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using phong, specular, and diffuse lighting techniques.
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Object names can be double-clicked in the tree view panel for quick camera
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navigation. All panels and toolbars are dockable widgets that can be popped out
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and reorganized as needed. Panels can be stacked to create a docked widget with
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tabs. The central widget that provides the camera view into the scene cannot be
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detached from the main window in this way. See the `View` menu to enable debug
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console widgets for open scenes or reopen previously closed panels.
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Spartan with no normals -
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Spartan with normals -
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#### Development
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@@ -101,7 +234,9 @@ cmake --build build -j $(nproc --ignore=2)
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sudo cmake --build build -j $(nproc --ignore=2) --target install
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```
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||||
If this version is any earlier than `15.0.0`, running `clang-format` will fail because this project uses configuration options made available since `15.0.0`.
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If the `clang-format` version is any earlier than `15.0.0`,
|
||||
running `clang-format` will fail because this project uses configuration options
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||||
made available since `15.0.0`.
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||||
|
||||
```bash
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||||
clang-format --version
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||||
@@ -109,7 +244,8 @@ clang-format version 15.0.5 (git@github.com:llvm/llvm-project.git 154e88af7ec97d
|
||||
```
|
||||
|
||||
CLion has integration for IDE code reformatting actions with `clang-format`.
|
||||
If you're using CLion, the `.clang-format` configuration will be picked up by CLion automatically.
|
||||
If you're using CLion, the `.clang-format` configuration will be picked up by
|
||||
CLion automatically.
|
||||
|
||||
`clang-tidy` can be run with the following commands.
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||||
|
||||
@@ -117,7 +253,7 @@ If you're using CLion, the `.clang-format` configuration will be picked up by CL
|
||||
# Move to the root of the repo
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||||
cd qtk
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||||
# Build
|
||||
cmake -B build && cmake --build build
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||||
cmake -B build && cmake --build build
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||||
clang-tidy -p build/ --fix --config-file=.clang-tidy src/*.cpp src/*.h app/*.cpp app/*.h
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||||
```
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||||
|
||||
@@ -146,57 +282,90 @@ changed files:
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||||
src/transform3D.h
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||||
```
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||||
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||||
### Controls
|
||||
##### Packaging
|
||||
|
||||
You can fly around the scene if you hold the right mouse button and use WASD.
|
||||
If you see a small triangle floating by a model it represents the light source
|
||||
that is being used for the shader rendering the model. These appear on models
|
||||
using phong, specular, and diffuse lighting techniques.
|
||||
Packaging for Qtk is in early development.
|
||||
This section documents how to package Qtk, but only source builds have been
|
||||
verified on Windows / Mac / Linux.
|
||||
For this reason, it is recommended to install Qtk by strictly building from
|
||||
source at this time.
|
||||
|
||||
|
||||
Below are the steps to package a Qtk release.
|
||||
|
||||
Spartan with no normals -
|
||||
```bash
|
||||
cd /path/to/qtk && cmake -B build
|
||||
# Package Qtk
|
||||
cmake --build build --target package
|
||||
# Package Qtk including source files
|
||||
cmake --build build --target package_source
|
||||
```
|
||||
|
||||
|
||||
Alternatively, we can use `cpack` directly -
|
||||
|
||||
Spartan with normals -
|
||||
```bash
|
||||
cd /path/to/qtk && cmake -B build
|
||||
# Generate all install packages
|
||||
cpack -C Release
|
||||
# Generate a specific archive package (ZIP)
|
||||
cpack -C Release -G ZIP
|
||||
# Generate a specific archive package (TGZ)
|
||||
cpack -C Release -G TGZ
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||||
# Generate debian package (DEB)
|
||||
cpack -C Release -G DEB
|
||||
# Generate NSIS install package (NSIS)
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||||
cpack -C Release -G NSIS
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||||
```
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||||
|
||||
|
||||
Any of the above options can be appended with `--trace-expand` to debug package
|
||||
generation issues.
|
||||
The contents of all packages will depend on how the build was configured.
|
||||
|
||||
If we are generating packages for *only* libqtk, we
|
||||
set `-DQTK_INSTALL_LIBRARY=ON`
|
||||
during the cmake configuration step.
|
||||
To generate packages for Qtk desktop application, we should
|
||||
set `-DQTK_BUILD_GUI=ON`, and optionally `-DQTK_INSTALL_LIBRARY=ON` if we would
|
||||
like to bundle libqtk with the desktop application.
|
||||
|
||||
### QtkWidget in Qt Creator
|
||||
The NSIS installer will allow component-specific path modification for all of
|
||||
these installation components through a GUI install application.
|
||||
|
||||
We can add more QtkWidgets to view and render the scene from multiple perspectives.
|
||||
There is still some work to be done here, so there isn't a builtin way to add an additional view within the application.
|
||||
##### Resources
|
||||
|
||||
|
||||
Some useful links and resources that I have found while working on this project.
|
||||
|
||||
After building Qtk, we can drag and drop an `OpenGL Widget` onto the `mainwindow.ui`.
|
||||
Then right-click the new OpenGLWidget and `Promote To->QtkWidget` to add a second view.
|
||||
[Qt Designer UI file format](https://doc.qt.io/qt-6/designer-ui-file-format.html)
|
||||
|
||||
|
||||
|
||||
If we demote or delete all widgets in `mainwindow.ui` and rebuild the project, Qt Creator will drop `QtkWidget` from the list of possible promoted widgets.
|
||||
Add an `OpenGL Widget` to the UI, right-click it and navigate to `Promote Widget...` and enter the information below.
|
||||
|
||||
|
||||
|
||||
After you fill out the `New Promoted Class` form, click `Add` *and*`Promote`, then rebuild.
|
||||
After following these steps Qt Creator will list `QtkWidget` as an option to promote `OpenGL Widgets` again.
|
||||
[QtPlugin Import / Export plugins](https://doc.qt.io/qt-6/qtplugin.html)
|
||||
|
||||
[KDAB](https://www.kdab.com/)
|
||||
|
||||
## Model Artists
|
||||
|
||||
"Alien Hominid" (https://skfb.ly/onStx) by Nwilly_art is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
"Alien Hominid" (https://skfb.ly/onStx) by Nwilly_art is licensed under Creative
|
||||
Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
|
||||
"Scythe World Of Warcraft" (https://skfb.ly/6UooG) by Warcraft-3D-Models is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
"Scythe World Of Warcraft" (https://skfb.ly/6UooG) by Warcraft-3D-Models is
|
||||
licensed under Creative Commons
|
||||
Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
|
||||
"Spartan Armour MKV - Halo Reach" (https://skfb.ly/6QVvM) by McCarthy3D is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
"Spartan Armour MKV - Halo Reach" (https://skfb.ly/6QVvM) by McCarthy3D is
|
||||
licensed under Creative Commons
|
||||
Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
|
||||
"Survival Guitar Backpack (Low Poly)" (https://skfb.ly/6RnCB) by Berk Gedik is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
Model by Berk Gedik, from: https://sketchfab.com/3d-models/survival-guitar-backpack-low-poly-799f8c4511f84fab8c3f12887f7e6b36
|
||||
Modified (learnopengl.com) material assignment (Joey de Vries) for easier load in OpenGL model loading chapter, and renamed albedo to diffuse and metallic to specular to match non-PBR lighting setup.
|
||||
"Survival Guitar Backpack (Low Poly)" (https://skfb.ly/6RnCB) by Berk Gedik is
|
||||
licensed under Creative Commons
|
||||
Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
Model by Berk Gedik,
|
||||
from: https://sketchfab.com/3d-models/survival-guitar-backpack-low-poly-799f8c4511f84fab8c3f12887f7e6b36
|
||||
Modified (learnopengl.com) material assignment (Joey de Vries) for easier load
|
||||
in OpenGL model loading chapter, and renamed albedo to diffuse and metallic to
|
||||
specular to match non-PBR lighting setup.
|
||||
|
||||
"Terror-bird (NHMW-Geo 2012/0007/0001)" (https://skfb.ly/onAWy) by Natural History Museum Vienna is licensed under Creative Commons Attribution-NonCommercial (http://creativecommons.org/licenses/by-nc/4.0/).
|
||||
"Terror-bird (NHMW-Geo 2012/0007/0001)" (https://skfb.ly/onAWy) by Natural
|
||||
History Museum Vienna is licensed under Creative Commons
|
||||
Attribution-NonCommercial (http://creativecommons.org/licenses/by-nc/4.0/).
|
||||
|
||||
"Golden Lion Sitting OBJ Low Poly FREE" (https://skfb.ly/onZAH) by LordSamueliSolo is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
"Golden Lion Sitting OBJ Low Poly FREE" (https://skfb.ly/onZAH) by
|
||||
LordSamueliSolo is licensed under Creative Commons
|
||||
Attribution (http://creativecommons.org/licenses/by/4.0/).
|
||||
|
||||
Reference in New Issue
Block a user