Using OpenGL and Assimp in a Qt Widget application to render 3D models / practice writing GLSL shaders
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################################################################################
## Author: Shaun Reed | Contact: shaunrd0@gmail.com | URL: www.shaunreed.com ##
## ##
## Project for working with OpenGL and Qt6 widgets ##
################################################################################
cmake_minimum_required(VERSION 3.5)
project(
#[[NAME]] Qtk
VERSION 1.0
DESCRIPTION "An example project using QT and OpenGL"
LANGUAGES CXX C
)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#find_package(QT NAMES Qt6 COMPONENTS Widgets REQUIRED)
find_package(Qt6 COMPONENTS Widgets OpenGLWidgets OpenGL REQUIRED)
# Add our Qt resources.qrc file to our application
set(SOURCES app/main.cpp)
qt6_add_resources(SOURCES resources.qrc)
add_executable(
qtk # Executable name
${SOURCES} # Executable source code
)
################################################################################
# External Libraries
################################################################################
# Find and link OpenGL package; Otherwise show an error
set(OpenGL_GL_PREFERENCE LEGACY)
find_package(OpenGL REQUIRED)
# https://github.com/assimp/assimp/commit/6ac8279977c3a54118551e549d77329497116f66
find_package(assimp REQUIRED)
################################################################################
# Custom Libraries
################################################################################
# Mainwidget
include(GenerateExportHeader)
add_library(main-widget SHARED
src/mainwidget.cpp src/mainwidget.h
src/mainwindow.cpp src/mainwindow.h src/mainwindow.ui
src/input.cpp src/input.h
src/mesh.cpp src/mesh.h
src/texture.cpp src/texture.h
src/object.cpp src/object.h
src/meshrenderer.cpp src/meshrenderer.h
src/camera3d.cpp src/camera3d.h
src/skybox.cpp src/skybox.h
src/transform3D.cpp src/transform3D.h
src/model.cpp src/model.h
src/scene.cpp src/scene.h
)
target_include_directories(main-widget PUBLIC src/)
target_include_directories(main-widget PRIVATE ${OPENGL_INCLUDE_DIR})
target_link_libraries(main-widget PRIVATE ${OPENGL_LIBRARIES})
target_link_libraries(main-widget PRIVATE assimp)
target_link_libraries(main-widget PUBLIC Qt${QT_VERSION_MAJOR}::Widgets)
target_link_libraries(main-widget PUBLIC Qt${QT_VERSION_MAJOR}::OpenGLWidgets)
################################################################################
# Final Application
################################################################################
# Link qtk executable to main main-widget library
target_link_libraries(qtk PUBLIC main-widget)
set_target_properties(qtk PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
generate_export_header(main-widget)