Opengl makecurrent
Web23 de jun. de 2009 · One condition that could cause wglMakeCurrent to fail with ‘error: 6’ (invalid handle) is leakage of Device Contexts. Make sure you are disposing DCs correctly whenever you create/destroy a window or context. skynet June 25, 2009, 4:36am #8. They have Forceware 175.19 installed on a GF7800GTX (AGP). WebeglMakeCurrentbinds contextto the current rendering thread and to the drawand readsurfaces. For an OpenGL or OpenGL ES context, drawis used for all operations except for any pixel data read back or copied (glReadPixels, glCopyTexImage2D, and glCopyTexSubImage2D),
Opengl makecurrent
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Web21 de abr. de 2024 · Using a custom build of 5.14.1, in our main render loop when resizing the application window, it immediately crashes. This function fails: // _qglContext is a QOpenGLContext* bool result = _qglContext->makeCurrent (_window); This is where it stops in assembly: WebA value of 1 means swap buffers in sync with the vertical refresh to eliminate tearing. A value of -1 means use a value of 1 unless we missed a frame in which case swap immediately. Returns true if the call succeeded. Reimplemented in vtkXOpenGLRenderWindow, vtkWin32OpenGLRenderWindow, and …
Web4 de mai. de 2010 · Hi, i have made a program which work using OpenGL 2.x. Now i have created an OpenGL 3.1 rendering context. I think i have removed all deprecated functions. glClear works (my screen is blue) but my mesh is not displayed. When i comment the OpenGL 3.1 rendering context creation, it works. How can i find the source of the … Web17 de mar. de 2024 · Otherwise fillRect () would wipe out all your 3D painting. It's OK to mix QPainter and OpenGL painting in QOpenGLWidget::paintGL () in any order, as long as OpenGL parts are enclosed by beginNativePainting () and endNativePainting (). You can do 1) QPainter::fillRect () background 2) OpenGL 3D 3) more QPainter painting for other 2D …
WebWhen I try to make OpenGL calls outside of QOpenGLWidget 's methods or signals, nothing seems to happen. For example, following code clears window black despite me setting …
Web15 de jul. de 2009 · wglMakeCurrentwglMakeCurrent 函数设定OpenGL当前线程的渲染环境。以后这个线程所有的OpenGL调用都是在这个hdc标识的设备上绘制。你也可以使 …
Web7 de out. de 2024 · at jogamp.opengl.GLContextImpl.makeCurrentWithinLock (GLContextImpl.java:759) at jogamp.opengl.GLContextImpl.makeCurrent (GLContextImpl.java:642) at jogamp.opengl.GLContextImpl.makeCurrent (GLContextImpl.java:580) at … irm a combourgWebAn OpenGL context holds that state. The state contains information such as which textures are bound to which texture units, which attachments the current FBO has, and things like … port hood motelWeb6 de mar. de 2024 · Checklist. I have searched for similar issues.; For Python issues, I have tested with the latest development wheel.; I have checked the release documentation and the latest documentation (for master branch).; Steps to reproduce the issue. Install Open3D using pip on python3.8.10 embedded. port hood nova scotia real estateWebMyGLControl. Resize += MyGLControl_Resize ; MyGLControl. Paint += MyGLControl_Paint ; } private void MyGLControl_Resize ( object? sender, EventArgs e ) { MyGLControl. MakeCurrent (); // Tell OpenGL to use MyGLControl. // Update OpenGL on the new size of the control. GL. Viewport ( 0, 0, MyGLControl. ClientSize. Width, MyGLControl. ClientSize. irm aera bois blancWebSet up an OpenGL context for rendering into an OpenGL window. Syntax int SDL_GL_MakeCurrent (SDL_Window * window, SDL_GLContext context); Function Parameters Return Value Returns 0 on success or a negative error code on failure; call SDL_GetError () for more information. Remarks The context must have been created … port hood nova scotia weatherWebc++ qt opengl 本文是小编为大家收集整理的关于 2 QOpenGLWidget共享上下文导致崩溃 的处理/解决方法,可以参考本文帮助大家快速定位并解决问题,中文翻译不准确的可切换到 English 标签页查看源文。 irm a tourcoingWeb3 de jan. de 2024 · You should call wglShareLists as soon as possible, meaning before you create any resources. You can then make GL rendering context 1 current in thread1 and … irm amilly cham