Qt6 Docs
update() vs. updateGL()
If you need to trigger a repaint from places other than
paintGL()(a typical example is when using timers to animate scenes), you should call the widget’supdate()function to schedule an update.
QOpenGLWidget::update() method
vs.
QGLWidget::updateGL() slot
CMake
Find OpenGL
How to compile GLUT + OpenGL project with CMake and Kdevelop in linux
/c/Program Files (x86)/Windows Kits/10/Lib/10.0.19041.0/um/x64 GlU32.Lib OpenGL32.Lib
Incorrect
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets OpenGL OpenGLWidgets REQUIRED)
target_link_libraries(QtOpenGLExample1 PRIVATE Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::OpenGL Qt${QT_VERSION_MAJOR}::OpenGLWidgets)
cmd.exe /C "cd . && C:\Qt\Tools\CMake_64\bin\cmake.exe -E vs_link_exe --intdir=CMakeFiles\QtOpenGLExample1.dir --rc=C:\PROGRA~2\WI3CF2~1\10\bin\100190~1.0\x64\rc.exe --mt=C:\PROGRA~2\WI3CF2~1\10\bin\100190~1.0\x64\mt.exe --manifests -- C:\PROGRA~2\MICROS~2\2019\ENTERP~1\VC\Tools\MSVC\1429~1.301\bin\Hostx64\x64\link.exe /nologo CMakeFiles\QtOpenGLExample1.dir\QtOpenGLExample1_autogen\mocs_compilation.cpp.obj CMakeFiles\QtOpenGLExample1.dir\main.cpp.obj CMakeFiles\QtOpenGLExample1.dir\mywidget.cpp.obj CMakeFiles\QtOpenGLExample1.dir\renderer.cpp.obj /out:QtOpenGLExample1.exe /implib:QtOpenGLExample1.lib /pdb:QtOpenGLExample1.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLWidgetsd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Widgetsd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Guid.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Cored.lib mpr.lib userenv.lib d3d11.lib dxgi.lib dxguid.lib kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ." LINK Pass 1: command "C:\PROGRA~2\MICROS~2\2019\ENTERP~1\VC\Tools\MSVC\1429~1.301\bin\Hostx64\x64\link.exe /nologo CMakeFiles\QtOpenGLExample1.dir\QtOpenGLExample1_autogen\mocs_compilation.cpp.obj CMakeFiles\QtOpenGLExample1.dir\main.cpp.obj CMakeFiles\QtOpenGLExample1.dir\mywidget.cpp.obj CMakeFiles\QtOpenGLExample1.dir\renderer.cpp.obj /out:QtOpenGLExample1.exe /implib:QtOpenGLExample1.lib /pdb:QtOpenGLExample1.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLWidgetsd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Widgetsd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Guid.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Cored.lib mpr.lib userenv.lib d3d11.lib dxgi.lib dxguid.lib kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib /MANIFEST /MANIFESTFILE:CMakeFiles\QtOpenGLExample1.dir/intermediate.manifest CMakeFiles\QtOpenGLExample1.dir/manifest.res" failed (exit code 1120) with the following output: renderer.cpp.obj : error LNK2019: unresolved external symbol __imp_glBegin [...]
Correct
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets OpenGLWidgets REQUIRED)
find_package(OpenGL REQUIRED)
target_link_libraries(
QtOpenGLExample1
PRIVATE
Qt${QT_VERSION_MAJOR}::Widgets
Qt${QT_VERSION_MAJOR}::OpenGLWidgets
${OPENGL_LIBRARIES}
)
cmd.exe /C "cd . && C:\Qt\Tools\CMake_64\bin\cmake.exe -E vs_link_exe --intdir=CMakeFiles\QtOpenGLExample1.dir --rc=C:\PROGRA~2\WI3CF2~1\10\bin\100190~1.0\x64\rc.exe --mt=C:\PROGRA~2\WI3CF2~1\10\bin\100190~1.0\x64\mt.exe --manifests -- C:\PROGRA~2\MICROS~2\2019\ENTERP~1\VC\Tools\MSVC\1429~1.301\bin\Hostx64\x64\link.exe /nologo CMakeFiles\QtOpenGLExample1.dir\QtOpenGLExample1_autogen\mocs_compilation.cpp.obj CMakeFiles\QtOpenGLExample1.dir\main.cpp.obj CMakeFiles\QtOpenGLExample1.dir\mywidget.cpp.obj CMakeFiles\QtOpenGLExample1.dir\renderer.cpp.obj /out:QtOpenGLExample1.exe /implib:QtOpenGLExample1.lib /pdb:QtOpenGLExample1.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLWidgetsd.lib opengl32.lib glu32.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Widgetsd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6OpenGLd.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Guid.lib C:\Qt\6.2.1\msvc2019_64\lib\Qt6Cored.lib mpr.lib userenv.lib d3d11.lib dxgi.lib dxguid.lib kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
Tutorials
KDAB
OpenGL in Qt 5.1 – Part 1
OpenGL in Qt 5.1 – Part 2
OpenGL in Qt 5.1 – Part 3
OpenGL in Qt 5.1 – Part 4
Goodbye, Q_FOREACH, A porting guide to C++11 ranged for-loops
Qt Blog
Universität Marburg – Prof. Dr. Thorsten Thormählen
Multimediale Signalverarbeitung (SS 2021)
Grafikprogrammierung (WS 2020/2021)
Technische Informatik (WS 2020/2021)
Multimediale Signalverarbeitung – Bildverarbeitung: Filter
Grafikprogrammierung – Kameras: Perspektivische Projektion
Bildsynthese – Vulkan Ray Tracing Pipeline
LookAtLocalTrans.cpp
Dr. Andreas Nicolai
TU Dresden Dr. Andreas Nicolai
OpenGL + Qt Tutorial
github.com/ghorwin/OpenGLWithQt-Tutorial
Trent Reed
2015
Qt5 OpenGL Part 0: Creating a Window
Qt5 OpenGL Part 1: Basic Rendering
Qt5 OpenGL Part 2: 3D Rendering
Qt5 OpenGL Part 3a : Efficient Input Managers
Qt5 OpenGL Part 3b: Camera Control
Qt5 OpenGL Part 4: Error Checking
Qt5 OpenGL Part 5: Debug Logging
FatalErrors
QT based OpenGL tutorial learning 15 – Geometric shaders
OpenGl L21 geometry shader
OpenGl L11 multi light source
OpenGL learning record 6: advanced lighting (lighting texture & projection
OpenGL with QtWidgets: Material, Lightmap
QT based OpenGL tutorial learning 17 – Implementation of Catmull ROM spline based on geometric shaders
Asia
QT based OpenGL tutorial learning 4 – Camera 2
QT based OpenGL tutorial learning 1 – Supplement
Hello Triangle
github.com/chengxuyuanwangye/LearnOpengl_QT
Qt
Qt5 OpenGL Examples from the Qt OpenGL module
Qt6 OpenGL Examples from the Qt OpenGL module
Wikipedia
Kategorie:Bildsynthese
Culling
Framebuffer Object (FBO)