Tag Archives: debugging

Reporting compiler bugs

Posted on 28.6.2010 by Anteru

Once in a life-time, you run into a compiler bug … well, that used to be the case, before HLSL/GLSL/OpenCL/CUDA/C++0x whatever started to crop up and require new front and especially code generation back-ends. More often than not, people just … Continue reading →

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Debug war story

Posted on 7.2.2009 by Anteru

Time for a war story: I’ve been just debugging a rather interesting bug. The application is written in C++. Symptoms: Starting the release build by double clicking fails Starting the release build from the command line works Appending a debugger … Continue reading →

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Debugging shaders: Artifacts grouped into quads

Posted on 29.11.2008 by Anteru

If you’re debugging a shader, and the wrong pixels come grouped into (screen-aligned) 2×2 blocks, don’t look too long at the code at hand — it might be that your gradients are wrong. Recently, I had a shader aliasing problem, … Continue reading →

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C++ tricks, #5: Breaking on memory allocations with VC

Posted on 19.7.2007 by Anteru (Updated on 22.6.2010)

A little known feature is breaking on a specific memory allocation without recompiling your app. Let’s assume you’ve run your code with _CrtDumpMemoryLeaks (); and you got something like Detected memory leaks! Dumping objects -> {12213} normal block at 0x004DA780, … Continue reading →

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