Initializeopenglfunctions 报错
Webb主要是利用C++搭建的框架,利用OpenGL、GDAL及Qt进行影像分块显示遥感影像,目前测试显示600M的资源3号卫星影像,仅仅需要15秒左右的时间。. 此文章不对OpenGL以 … Webb11 feb. 2024 · Hi All, I’m using opengl in linux qt for rendering video frame. I have UYVY and RGB code which I’m using in opengl is given below initializeOpenGLFunctions(); glEnable(GL_DEPTH_TEST); //this is already enable in i…
Initializeopenglfunctions 报错
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Webb19 jan. 2024 · No. QOpenGLFunctions is a class that holds pointers to all the OpenGL functions. Initially they point to nothing. initializeOpenGLFunctions actually looks … Webb7 aug. 2024 · 简介. 要学习OpenGL的话,强烈安利这个教程JoeyDeVries的 learnopengl ,这里是中文翻译好的版本。. 教程中使用OpenGL是通过 GLFW 这个库,而在Qt中 …
Webb21 okt. 2016 · 注意,在此函数中,我们必须调用 initializeOpenGLFunctions(); 语句以便 Qt 在后台完成 OpenGL 环境的初始化工作。 随后,使用 glClearColor 函数来设置清除 … Webb主要是利用C++搭建的框架,利用OpenGL、GDAL及Qt进行影像分块显示遥感影像,目前测试显示600M的资源3号卫星影像,仅仅需要15秒左右的时间。. 此文章不对OpenGL以及GDAL做解释,如果对OpenGL和GDAL不熟悉,请自行查阅相应的文档。. 利用OpenGL显示影像,那么第一步首先 ...
Webb2 aug. 2024 · 推荐答案. 嗨,我已经破解了 2 天,终于找到了工作. 主要参考 qt的threadrenderer例子. 基本上我有一个 QOpenglWidget 有它自己的上下文,以及一个 后台线程 从 QOpenglWidget 绘制到 上下文共享强>.QOpenglWidget可以直接使用后台线程绘制的framebuffer. 以下是使事情顺利进行的 ... WebbPython QOpenGLContext.versionFunctions - 13 examples found. These are the top rated real world Python examples of PyQt5.QtGui.QOpenGLContext.versionFunctions extracted from open source projects. You can rate …
Webb26 mars 2016 · 为了解决这个问题,我修改了旧程序,以在OpenGL 3.0版的主要功能中手动指定默认表面格式,但是现在该程序在尝试创建GLWidget实例时抛出以下错误。 ASSERT:“ QOpenGLFunctions :: isInitialized(d_ptr)” 我的主要功能(main.cpp):
Webb14 dec. 2024 · At the point at which QOpenGLFunctions::initializeOpenGLFunctions() is called a valid OpenGL context must be in place/current but the code shown only … smart and chillWebb9 nov. 2024 · It is because you called initializeGL () in the constructor. By that time, the context has not been initialized. The context is first initialized when the widget is shown. Details taken from Qt's source code below: void QOpenGLWidgetPrivate::initialize () { Q_Q (QOpenGLWidget); if (initialized) return; ... hill and swift stoneWebbOpenGL是一个用来加速渲染显示2D、3D 矢量图形的编程接口。这个接口底层依赖于硬件GPU,底层硬件接口的驱动都是由GPU厂家提供。 openGl也支持跨平台,windows、Linux、MAC hill and swift used carsWebbThe QOpenGLContext class represents a native OpenGL context, enabling OpenGL rendering on a QSurface. QOpenGLContext represents the OpenGL state of an underlying OpenGL context. To set up a context, set its screen and format such that they match those of the surface or surfaces with which the context is meant to be used, if necessary … smart and casual clothesWebbUse initializeOpenGLFunctions () to change the object's context association. See also initializeOpenGLFunctions (). QOpenGLFunctions:: QOpenGLFunctions () Constructs a default function resolver. The resolver cannot be used until initializeOpenGLFunctions () is called to specify the context. See also initializeOpenGLFunctions (). hill and valleyWebb6 juli 2024 · QT QOpengGLWidgt加载OpenGL库错误. Unrecognized OpenGL version! 是由于改板子连接了自带的OpenGL库的原因吗?. 如果是的话该如何解决呢?. 3399pro上 … smart and charter for basisWebb19 aug. 2024 · QOpenGLFunctions的使用 (2) 1. The QGLContext class. The QGLContext class 包装了OpenGL的渲染环境类,即所有的QOpengl的绘制都在该环境中进行。. An … smart and classic bluetooth