dyncall tag refers to the dyncall library, which is used for dynamically calling C functions at runtime.
Questions tagged [dyncall]
4 questions
42
votes
2 answers
Performant 2D SDL or OpenGL graphics in R for fast display of raster image using rdyncall package and SDL/OpenGL calls
In R, it seems none of the currently available options (e.g. image) allow for fast real-time display of 2D raster graphics. I was interested for example to make a real-time interactive Mandelbrot viewer, where I was hoping to display 1920x1080 raw…
Tom Wenseleers
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6
votes
0 answers
Is dcbFreeCallback safe when the registered callback function is running?
I am using OpenCL's Java binding provided by lwjgl 3.
When I call the clSetEventCallback, I have to pass a callback function to clSetEventCallback. For each clSetEventCallback call, I created a new callback function from lwjgl's…
Yang Bo
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1
vote
1 answer
dyncall callback error when switching from 64 to 32 bit
I have prepared a minimal reproducable example.
When I compile with 64 bit mingw and link to 64 bit versions of the dyncall libraries then the printed result is the expected 2.5000.
Switching both to 32 bit and after a make clean i get the printed…
Bernd Elkemann
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0
votes
2 answers
Generate function pointer declaration at run-time in C++?
Is it possible to create/generate a pointer declaration similar to:
void (*foo)(int, float);
bool (*foo)();
char (*foo)(char, int);
But without knowing the type of the arguments or the return type until run-time.
The function declaration would be…
SLC
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