VTK WASM Error – Cannot read properties of null (reading ‘bindRenderbuffer’) at _glBindRenderbuffer

Sometimes we need to change canvas for VTK WASM 3D window.Updating renderer window and renderer is neccessary if we don’t restart all data loading.The related post is Change Canvas For VTK WASM Project. I got the following error info on the web page if do vtkSDL2OpenGLRenderWindow::Render before m_RenderWindow = newWin; (update the old rendererWindow variable). Read more…

Debug C/C++ WebAssembly On Chrome

Test environment: Ubuntu 22.04.2 LTSGoogle Chromeemcc 3.1.33clang version 17.0.0Target: wasm32-unknown-emscripten Write a simple test program. main.c: Compile it with DWARF debug information included. Download chrome (stable version): https://www.google.com/chrome/ Install chrome on ubuntu. Set up a light http server for viewing it on chrome. Then open the web page at http://0.0.0.0:4001/main.html Read more…

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