如何使用Qt5在OpenGL中启用多重采样(抗锯齿)? [英] How do I enable multisampling (antialiasing) in OpenGL with Qt5?
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问题描述
创建窗口时如何启用多重采样?我应该如何初始化OpenGL以匹配?
How do I enable multisampling when I create the window? How should I initialize OpenGL to match?
推荐答案
花点时间找出答案.
技巧是像这样在QWindow
的构造函数中使用QSurfaceFormat
:
The trick is to use a QSurfaceFormat
in your QWindow
's constructor like so:
setSurfaceType(QWindow::OpenGLSurface);
QSurfaceFormat format;
format.setSamples(4); // Set the number of samples used for multisampling
setFormat(format); // Note we set the format on the window...
create(); // Create the window
context = new QOpenGLContext(this);
context->setFormat(format); // ...and set the format on the context too
context->create();
然后,在初始化OpenGL时:
And later, when initialising OpenGL:
glEnable(GL_MULTISAMPLE); // This seems to be the default given the configuration above, but just in case that's not universal...
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