OpenCL: Difference between revisions
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===Linux=== | ===Linux=== | ||
https://gist.github.com/Brainiarc7/dc80b023af5b4e0d02b33923de7ba1ed | https://gist.github.com/Brainiarc7/dc80b023af5b4e0d02b33923de7ba1ed | ||
<pre> | |||
sudo apt install ocl-icd-opencl-dev opencl-headers | |||
sudo apt install opencl-c-headers opencl-clhpp-headers | |||
</pre> | |||
==Getting Started== | ==Getting Started== | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
}} | }} | ||
===Python=== | |||
See [https://documen.tician.de/pyopencl/index.html pyopencl]. | |||
===Julia=== | ===Julia=== | ||
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==OpenGL Interop== | ==OpenGL Interop== | ||
Setting up OpenCL/OpenGL interop is fairly complicated and very hard to debug. | Setting up OpenCL/OpenGL interop is fairly complicated and very hard to debug. | ||
You will also need to manage synchronizing OpenGL/OpenCL so | You will also need to manage synchronizing OpenGL/OpenCL so they do not access the same memory at the same time. | ||
If you can, just use OpenGL compute shaders rather than OpenCL to simplify your life. | If you can, just use OpenGL compute shaders rather than OpenCL to simplify your life. | ||
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In C++, you can use [https://github.khronos.org/OpenCL-CLHPP/classcl_1_1_image_g_l.html <code>cl::ImageGL</code>] to access textures in OpenGL. | In C++, you can use [https://github.khronos.org/OpenCL-CLHPP/classcl_1_1_image_g_l.html <code>cl::ImageGL</code>] to access textures in OpenGL. | ||
Note that <code>cl::Image</code> and <code>cl::Buffer</code> are not the same thing | Note that <code>cl::Image</code> and <code>cl::Buffer</code> are not the same thing. Interchanging them will result in <code>CL_INVALID_MEM_OBJECT</code> errors or similar. | ||
I recommend writing to a separate buffer and copying to images. | I recommend writing to a separate buffer and copying to images. | ||
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==Advanced Topics== | ==Advanced Topics== | ||
====Local Memory v. Global Memory==== | ====Local Memory v. Global Memory==== | ||
[[Category:Programming languages]] | |||
[[Category:GPU Programming languages]] | |||