I must admit to having a few hiccups initially, mostly caused by downloading a release candidate rather than the 3.0.0 version I should have. This will open on the current window without the usual small chat window ![]() :: For in-depth information, please check the screencasts wiki. New to darktable and not sure where to start? These links may be of help. Possible Bug wiki | FAQ | Resources Official darktable □ darktable links You probably don’t have to run darktable-cltest.An Unofficial place for questions, discussions, tutorials, workflows and possible bug discussions about darktable.At the moment, due to a bug, you will have to run the following command twice to properly setup your integrated GPU to use OpenCL: darktable-cltest.exe -d opencl (if they incorporate my bug fix, then you only need to run this command once) Go to the Darktable bin folder where you will find darktable_cltest.exe.If so, add TRUE at the end or else, add a new line with opencl_disable_drivers_blacklist=TRUE Check if there is a already a line starting with opencl_disable_drivers_blacklist=.Delete all the lines starting with cldevice_ to essentially delete already configured devices for OpenCL.Search for already configured CL devices: these will have config keys starting with cldevice_ How to fix the issue with OpenCL not working on Windows with an Intel integrated graphics: And now OpenCL works More detailed solution: Then, re-run the darktable-cltest.exe two times for it to compile the kernel modules for my GPU. And also I had to delete already registered configurations for my devices from the darktablerc file under the names cldevice_v4_intelririsrxegraphics etc. I think I got it to work! It looks like there is a bug in the code which makes it not fully respect the opencl_disable_drivers_blacklist=TRUE config parameter. Hmm, do I need to recompile darktable and remove that from the header file OR somehow override the blacklist? And this is blacklisted on Windows as per initial status of opencl enabled flag is OFF. FINALLY: opencl is NOT AVAILABLE on this system. PLATFORM NAME & VENDOR: Intel(R) OpenCL, Intel(R) Corporation ![]() PLATFORM NAME & VENDOR: Intel(R) OpenCL HD Graphics, Intel(R) CorporationĭEVICE: 1: '12th Gen Intel(R) Core(TM) i5-1240P'ĬANONICAL NAME: 12thgenintelrcoretmi51240p ![]() opencl library 'OpenCL.dll' found on your system and loadedĭEVICE: 0: 'Intel(R) Iris(R) Xe Graphics' I ran darktable-cltest.exe and got the following output: opencl related configuration options: SOLUTION: Can I properly enable OpenCL on Windows 11 and Intel Iris Xe graphics in Darktable 4.0? - #11 by litetaker I would greatly appreciate any help, as I am a new user of Darktable (migrating from the last standalone Lightroom Classic version 6!) So, as far as I can tell, this GPU is capable of OpenCL right? So, is it possible to enable it for Darktable or is it just not properly supported yet? And the Intel Graphics Command Center says that the OpenCL Runtime Version is 3.0. It is the latest Intel ARC Windows* DCH driver (also compatible with Alder lake CPUs). The graphics drivers are all up to date (30.0.101.1743). I have the alder lake Intel i5-1240P CPU (with Intel Iris Xe graphics and 16 GB RAM). When I installed the compatibility pack from Windows Store, I think it ended up forcing all the OpenCL computation on the CPU rather than GPU, causing my CPU to nearly max out and make the whole thing slow. However, the conclusion from that thread seems like it does not work with Iris Xe graphics? And the compatibility pack from the Windows Store is also not compatible, ironically enough ( ). I found previous threads on this forum, such as this: New install on Windows 11 not working. I am unable to properly enable OpenCL in Darktable 4.0 on Windows, even though I believe this Iris Xe graphics is capable of OpenCL compute. Hi all, I have been searching this forum and Googling and Github to no avail regarding properly enabling OpenCL in Darktable for the integrated Intel Iris Xe graphics (Alder lake i5 1240P processor with up to date drivers).
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