I have a style that I made to go only on subjects. I used a path to isolate the subjects with a mask, and I want to apply the style only to the mask. Is this even possible?

I'm using Kubuntu 24.04 and trying to get OpenCL hardware acceleration to work.

$ sudo apt install ocl-icd-libopencl1 opencl-headers mesa-opencl-icd clinfo
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
ocl-icd-libopencl1 is already the newest version (2.3.2-1build1).
opencl-headers is already the newest version (3.0~2023.12.14-1).
mesa-opencl-icd is already the newest version (24.0.9-0ubuntu0.2).
clinfo is already the newest version (3.0.23.01.25-1build1).
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count: 0
Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

$ clinfo
Number of platforms                               2
  Platform Name                                   Clover
  Platform Vendor                                 Mesa
  Platform Version                                OpenCL 1.1 Mesa 24.0.9-0ubuntu0.2
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             cl_khr_icd
  Platform Extensions function suffix             MESA

  Platform Name                                   rusticl
  Platform Vendor                                 Mesa/X.org
  Platform Version                                OpenCL 3.0 
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             cl_khr_byte_addressable_store cl_khr_create_command_queue cl_khr_expect_assume cl_khr_extended_versioning cl_khr_icd cl_khr_il_program cl_khr_spirv_no_integer_wrap_decoration
  Platform Extensions with Version                cl_khr_byte_addressable_store                                    0x400000 (1.0.0)
                                                  cl_khr_create_command_queue                                      0x400000 (1.0.0)
                                                  cl_khr_expect_assume                                             0x400000 (1.0.0)
                                                  cl_khr_extended_versioning                                       0x400000 (1.0.0)
                                                  cl_khr_icd                                                       0x400000 (1.0.0)
                                                  cl_khr_il_program                                                0x400000 (1.0.0)
                                                  cl_khr_spirv_no_integer_wrap_decoration                          0x400000 (1.0.0)
  Platform Numeric Version                        0xc00000 (3.0.0)
  Platform Extensions function suffix             MESA
  Platform Host timer resolution                  1ns

  Platform Name                                   Clover
Number of devices                                 1
  Device Name                                     AMD Radeon RX 5600 XT (radeonsi, navi10, LLVM 17.0.6, DRM 3.58, 6.11.0-061100-generic)
  Device Vendor                                   AMD
  Device Vendor ID                                0x1002
  Device Version                                  OpenCL 1.1 Mesa 24.0.9-0ubuntu0.2
  Device Numeric Version                          0x401000 (1.1.0)
  Driver Version                                  24.0.9-0ubuntu0.2
  Device OpenCL C Version                         OpenCL C 1.1 
  Device OpenCL C Numeric Version                 0x401000 (1.1.0)
  Device Type                                     GPU
  Device Profile                                  FULL_PROFILE
  Device Available                                Yes
  Compiler Available                              Yes
  Max compute units                               36
  Max clock frequency                             1780MHz
  Max work item dimensions                        3
  Max work item sizes                             256x256x256
  Max work group size                             256
=== CL_PROGRAM_BUILD_LOG ===
fatal error: cannot open file '/usr/lib/clc/gfx1010-amdgcn-mesa-mesa3d.bc': No such file or directory
  Preferred work group size multiple (kernel)     <getWGsizes:1980: create kernel : error -46>
  Preferred / native vector sizes                 
    char                                                16 / 16      
    short                                                8 / 8       
    int                                                  4 / 4       
    long                                                 2 / 2       
    half                                                 0 / 0        (n/a)
    float                                                4 / 4       
    double                                               2 / 2        (cl_khr_fp64)
  Half-precision Floating-point support           (n/a)
  Single-precision Floating-point support         (core)
    Denormals                                     No
    Infinity and NANs                             Yes
    Round to nearest                              Yes
    Round to zero                                 No
    Round to infinity                             No
    IEEE754-2008 fused multiply-add               No
    Support is emulated in software               No
    Correctly-rounded divide and sqrt operations  No
  Double-precision Floating-point support         (cl_khr_fp64)
    Denormals                                     Yes
    Infinity and NANs                             Yes
    Round to nearest                              Yes
    Round to zero                                 Yes
    Round to infinity                             Yes
    IEEE754-2008 fused multiply-add               Yes
    Support is emulated in software               No
  Address bits                                    64, Little-Endian
  Global memory size                              6442450944 (6GiB)
  Error Correction support                        No
  Max memory allocation                           1610612736 (1.5GiB)
  Unified memory for Host and Device              No
  Minimum alignment for any data type             128 bytes
  Alignment of base address                       32768 bits (4096 bytes)
  Global Memory cache type                        None
  Image support                                   No
  Local memory type                               Local
  Local memory size                               65536 (64KiB)
  Max number of constant args                     16
  Max constant buffer size                        67108864 (64MiB)
  Max size of kernel argument                     1024
  Queue properties                                
    Out-of-order execution                        No
    Profiling                                     Yes
  Profiling timer resolution                      0ns
  Execution capabilities                          
    Run OpenCL kernels                            Yes
    Run native kernels                            No
    ILs with version                              SPIR-V                                                           0x400000 (1.0.0)
  Built-in kernels with version                   (n/a)
  Device Extensions                               cl_khr_byte_addressable_store cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_fp64 cl_khr_extended_versioning
  Device Extensions with Version                  cl_khr_byte_addressable_store                                    0x400000 (1.0.0)
                                                  cl_khr_global_int32_base_atomics                                 0x400000 (1.0.0)
                                                  cl_khr_global_int32_extended_atomics                             0x400000 (1.0.0)
                                                  cl_khr_local_int32_base_atomics                                  0x400000 (1.0.0)
                                                  cl_khr_local_int32_extended_atomics                              0x400000 (1.0.0)
                                                  cl_khr_int64_base_atomics                                        0x400000 (1.0.0)
                                                  cl_khr_int64_extended_atomics                                    0x400000 (1.0.0)
                                                  cl_khr_fp64                                                      0x400000 (1.0.0)
                                                  cl_khr_extended_versioning                                       0x400000 (1.0.0)

  Platform Name                                   rusticl
Number of devices                                 0

NULL platform behavior
  clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...)  Clover
  clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...)   Success [MESA]
  clCreateContext(NULL, ...) [default]            Success [MESA]
  clCreateContext(NULL, ...) [other]              <error: no devices in non-default plaforms>
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT)  Success (1)
    Platform Name                                 Clover
    Device Name                                   AMD Radeon RX 5600 XT (radeonsi, navi10, LLVM 17.0.6, DRM 3.58, 6.11.0-061100-generic)
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU)  No devices found in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU)  Success (1)
    Platform Name                                 Clover
    Device Name                                   AMD Radeon RX 5600 XT (radeonsi, navi10, LLVM 17.0.6, DRM 3.58, 6.11.0-061100-generic)
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR)  No devices found in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM)  No devices found in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL)  Success (1)
    Platform Name                                 Clover
    Device Name                                   AMD Radeon RX 5600 XT (radeonsi, navi10, LLVM 17.0.6, DRM 3.58, 6.11.0-061100-generic)

ICD loader properties
  ICD loader Name                                 OpenCL ICD Loader
  ICD loader Vendor                               OCL Icd free software
  ICD loader Version                              2.3.2
  ICD loader Profile                              OpenCL 3.0

$ sudo find /usr/lib -iname "lib*opencl*"
/usr/lib/x86_64-linux-gnu/libRusticlOpenCL.so.1
/usr/lib/x86_64-linux-gnu/libMesaOpenCL.so
/usr/lib/x86_64-linux-gnu/libRusticlOpenCL.so.1.0.0
/usr/lib/x86_64-linux-gnu/libOpenCL.so.1.0.0
/usr/lib/x86_64-linux-gnu/libMesaOpenCL.so.1
/usr/lib/x86_64-linux-gnu/libOpenCL.so.1
/usr/lib/x86_64-linux-gnu/libMesaOpenCL.so.1.0.0
/usr/lib/x86_64-linux-gnu/libRusticlOpenCL.so

But darktable can't use OpenCL:

$ darktable-cltest
darktable 4.6.1
Copyright (C) 2012-2024 Johannes Hanika and other contributors.

Compile options:
  Bit depth              -> 64 bit
  Debug                  -> DISABLED
  SSE2 optimizations     -> ENABLED
  OpenMP                 -> ENABLED
  OpenCL                 -> ENABLED
  Lua                    -> ENABLED  - API version 9.2.0
  Colord                 -> ENABLED
  gPhoto2                -> ENABLED
  GMIC                   -> DISABLED - Compressed LUTs are NOT supported
  GraphicsMagick         -> ENABLED
  ImageMagick            -> DISABLED
  libavif                -> ENABLED
  libheif                -> ENABLED
  libjxl                 -> ENABLED
  OpenJPEG               -> ENABLED
  OpenEXR                -> ENABLED
  WebP                   -> ENABLED

See https://www.darktable.org/resources/ for detailed documentation.
See https://github.com/darktable-org/darktable/issues/new/choose to report bugs.

     0,0190 [dt_get_sysresource_level] switched to 1 as `default'
     0,0190   total mem:       15907MB
     0,0190   mipmap cache:    1988MB
     0,0190   available mem:   7953MB
     0,0190   singlebuff:      124MB
     0.0219 [opencl_init] opencl disabled via darktable preferences
     0.0220 [dt_dlopencl_init] could not find default opencl runtime library 'libOpenCL'
     0.0220 [dt_dlopencl_init] could not find default opencl runtime library 'libOpenCL.so'
     0.0222 [opencl_init] opencl library 'libOpenCL.so.1' found on your system and loaded, preference 'default path'
     0.0744 [opencl_init] found 2 platforms
     0.0744 [check platform] platform 'Clover' with key 'clplatform_clover' is NOT active
     0.0744 [opencl_init] no devices found for Mesa/X.org (vendor) - rusticl (name)
[opencl_init] found 0 device
     0.0744 [opencl_init] FINALLY: opencl is NOT AVAILABLE and NOT ENABLED.

Any idea of what I should install?

https://preview.redd.it/7us9lseca74e1.png?width=869&format=png&auto=webp&s=07c2e17cbd4271884c4a50e05bedddd7dbdbe992

https://preview.redd.it/gvfdjp3rg44e1.png?width=2299&format=png&auto=webp&s=1aea59bd3aa029f23d5f38f1c3dab5d152f0abb5

Above here I've got a comparison. The one on the left is in DarkTable, the one on the right is in LuminarAI but also in Lightroom, etc. Both pictures are the same and unedited.

In the camera, it also looks exactly like that on the right. Why is there such an odd color gradient hue on my raw files in DarkTable and how do I fix it? I've tried toying around with all the sliders, from brilliance, highlights, etc. but I can't get it to work.

I'm photographing with a Sony A6100.

Good morning DT community.

I am wondering if there is an intended way to edit pictures in which modules should be put when i edit my photos to black and white. I tried to do some research but other than using the color calibration module after the color modules in the pipeline, I didn't find much.

What I do so far is:

• edit the color photo to my liking (maybe increasing the saturation a little more than i would normally do)
• add a second instance of color calibration after the last color module in the pipeline and use the grey tab to convert my image to b&n
• make some dodge and burning, further increase contrast, add some vignetting, whatever resonates with me for that photo. I generally do these with multiple instances of the exposure module and a lot of masking, and maybe another instance of the tone equaliser, but pretty much nothing else; normally i put the modules that i use after the b&n conversion, after the color calibration module in the pipeline

My rationale is that, first i edit the image to make it right (at least for me), then i apply some artistic edits to a right image, so everything that acts to the b&n image should be after the b&n conversion.

Normally, I am pretty satisfied with what I obtain. However, I am wondering if there's some fundamental mistake I'm making without realising it that can later blow up in my face.

Thanks!

Hi,

I'm curious about why the negadoctor module is, by default, positioned after exposure and tone equalizer. This seems like a strange choice to me because increasing exposure darkens the image (and potentially introduces color shifts due to the film base color subtraction performed by negadoctor).

I anticipate that people might say there's no reason to use exposure with negadoctor; we should just use the print properties tab. However, having a separate exposure module instance is useful in conjunction with masking.

I know I can just save a custom module order that is applied automatically, but I wondered if anyone knew the reasoning behind this, or if there's something obvious I'm missing.

https://preview.redd.it/0fld469vpb3e1.png?width=373&format=png&auto=webp&s=e0a1ad739393fc2340543a54d7de8cad68d377d5

Make sure you can view hidden items and go to C:\Users\YOURNAME\AppData\Local\darktable (for Windows obviously). Open the config file called "darktablerc" and add "rw2" at the end of the libraw_extensions line. Save the file (make sure not to add an extension). That's it! Now open Darktable and you can edit your RW2 files. Enjoy!

Screenshot above (you are adding what is highlighted)

Hi,

I'm fairly new to DSLR photography (I've been doing 35mm film photography for a while now) and l’m tackling the very complicated storage/lossy/lossless dilemma.

My camera is a 200D. While not being the best DSLR out there, it produces .CR2 files averaging 30MB.

I wanna classify my pictures in 2 main folders : The ones I like a lot (will be hand developed by myself) and the others (okay pictures but I can live without having them manually developed).

All the files will be stored on a local Debian server, so part of the automatic export process can be done when the files are copied from my SD card to the server.

Now here's the dilemma :

I wanna store all the "edited" pictures in the .avif format, allowing for very tiny files with great quality, enough for most use cases. The .CR2 files of the "average" folder would get deleted from the server after a few weeks to save on space.

I thought about having the camera do the development on those pictures itself but .jpg being already a lossy format, I would need to convert it to .jxl and that is way less efficient that going for .avif from the raw file (I wanna avoid going through 2 lossy formats).

I wanna keep the .CR2 files of my favorite pictures in case I wanna re-edit them later or just export a .jpg file without having to convert the .avif file to a .jpg (lossy conversion). I would obviously keep the .xmp files for this.

Now, I just don't know how to efficiently store the remaining .CR2 files. My camera seems to compress the files a bit, putting them in a .zstd archive doesn't yield convincing results (the server has all its drives compressed with zstd, hence why I tried this tool). I don't mind loosing a bit of quality by compressing the raw file, I rather have an unnoticeable loss of quality than store 30+MB files on my server. I'd much prefer a 100% Linux workflow.

I found the DNG format allows for great compression with minimal loss of quality but it is locked behind Asobe products, I'm unsure about Linux support.

This happens all the time. I spend 1-2 hours editing a photo, and all of a sudden, it disappears, sometimes it doesn't even preview the image. Whenever I tap darkroom (to edit it), or when I try to export it.

Please help!

Is there a way to save alternate adjustments for the same file? I could make a copy of the raw photo, but that seems like a waste of space.

Hi, I've been running into trouble when exporting from darktable: the issue is basically none of my settings and adjustments seem to be preserved in the exported image. I'll give a really clear example with the crop module.

https://preview.redd.it/1nno2psa042e1.png?width=999&format=png&auto=webp&s=7a0696ae380e6209b395c5038aa2ce60734f6d2a

https://preview.redd.it/guidqssa042e1.png?width=1030&format=png&auto=webp&s=35eef055b273ebc623bdc086c6dd0f6901e174c1

In darktable, everything looks fine.

https://preview.redd.it/vsydzd9e042e1.png?width=476&format=png&auto=webp&s=83ab3d97cb49e076a0d0ab5c8945c90b5f43699c

Upon export, none of the settings seem to be preserved? I seriously hope there is some quick fix or toggle I am overlooking because this is extremely frustrating! Thanks in advance :)

Hi,

I recently bought a new camera - Fujifilm X-M5, released few days ago (October 15th I think)

this camera is not supported by Darktable (obviously) and I cannot open .raf files without converting to DNG

My questions:

1. am I losing something (metadata, quality,...) by converting to DNG (using adobe DNG converter) ? I dont think so

2. how long does it take for a new camera to get supported ? (as converting seem like unnecessary step)

3. Can I help somehow ? provide example photos or something ? if yes how ?

thanks

I feel like my images are not looking colourful or not as polished (looking a bit hazy i feel) compared to others I see in Instagram.

I am using darktable, and surprisingly they look colorful while I display on my desktop but when I view on phone it feels a bit dull. What can I improve ?

Thanks in advance!

Ive tried every option to edit RAW from X100VI, best result was that I was able to view photo inside Lightview, but cant sk anything to them.

Anyone have guide how to edit raw from X100vi?

I'm relatively new to photo editing and darktable. I have watched a lot of videos but really haven't found a good list to follow for photo editing workflow. Can anyone recommend what order to make adjustments? I am guessing the order would depend on the type of photo i.e. landscape vs portrait etc. Any help would be appreciated

I am a hobby photographer that uses apple photos these days. the convenience, the syncing, the quick auto adjust just to use as a starting point (or not use on some photos), filters, etc. All the basic adjustments i need. And i've used LR many years ago and loved the organization and cataloguing, and also the plethora of presets and adjustment brushes.

The main reason i tried DT is two things.

1. organization: i dont want the plethora of "photography photos" to be mixed up with all my casual iphone pictures. not only is it hard to organize and find and makes the library cluttered, these photos will take up too much icloud space and hard drive space ( i want to have my photography on external drive) and 300 photos from a hiking trip cluttering everything up in my library when im looking for personal memory iphone pics is a chore.

2. i really mis masks from when i used LR. darkening a sky with a gradient, and so forth,

So far, i have DT up and running. It doesnt do organization and importing the way i liked it in LR, plugging in sd card, importing into database etc. but what ive done is have it import from SD card to hard drive, work on the photos, then inside DT i select the collection and "move" it to external drive.

I just figured out how to use masks which is great. But overall what i am missing were the presets to get me started. I loved being able to mouse over presets in LR and see a preview how it would look instantly, i love even using filters and auto adjust in apple photos just to see if it might be better. then if i kind of like it i can go in and tweak the sliders and changes, and intensity. Basically get inspired with different presets to see where i want to take this photo artistically. since the LR community is so big, back 15ish years ago when i used it, i collected so many presets from communities, forums, youtubers. Is there a community or database/repository for presets for DarkTable? What would make DT great for me personally would to be able to flip through dozens of presets to get ideas of what i want to do.

At the end of the day i am a hobbyist photographer in the little free time I have, and i am more interested in the artistic side of photography than the learning for months to post process side. not throwing shade at the latter. if i had more time i would love to dig into manuals and tutorials and master classes. Which is why i tried DT, just wish it was a little more streamlined in terms of adjustments and also wish it had tons of presets. Am i just using the wrong app?

i am not super against trying LR again, i am just paranoid about privacy, Adobe training AI on my photos, $10 a month for something i dont make money from is kind of wack, and the knowledge that if i stop paying, i lose my photo database is crazy, which is why i went open source for DT

I dont know alot about this sorry but people usually say Open Source is safe. Is darktable safe in terms of privacy? one reason i looked into it is because i dont feel comfortable with what Lightroom has become with creative cloud and AI training and all that so i want something simple. I am on Monterey so i have to use an older 4.6 dark table version from github, the official website for DT only has the latest version for newer mac OS. is the github one safe? the "unable to check for malicious software" message in Mac OS makes me nervous. why does it do that?

I have used Darktable extensively for editing Sony A7R4 and Canon 6D images in the past. However when I open up DJI Mini 4 Pro raw files (.dng) in Darktable, the default color calibration looks absolutely horrendous. Now I *could* tweak every lever by hand but is there any way that it can make the *default* color calibration look like the .jpg file from the metadata?

In particular there is a horrendous green cast and vignette that the .jpg file does not have.

Default Darktable color calibration

DJI .jpg file

What I got from the darktable log:

========================================

version: darktable 4.0.0

start: 2024:10:23 09:54:08

end: 2024:10:23 09:54:08

========================================

========================================

version: darktable 4.0.0

start: 2024:11:04 20:43:06

========================================

version: darktable 4.8.1

start: 2024:11:11 21:44:18

0.3108 [init] database `C:\Users\renan\AppData\Local\darktable\data.db' couldn't be opened. aborting

0.3162 ERROR : cannot open database

What is causing this? And how can I fix it? I have already tried deleting and reinstalling.

I'd like to keep my raw files in an external storage, that may be online or not (external HD, or NAS).

Is it possible for Darktable to retain a cache of the rendered images so I can use the light-table (browse, view, tag, etc), only requiring the raw storage to be online when using the darkroom? How would the sidecars be handled?

I have plenty of picture files in a clear catalogue structure (year-month-day). Almost none additional information from processing, so I can do without the Lightroom informations. Now I am going to move all this into Darktable as I have migrated from Windows to Ubuntu. What is the best way to let Darktable import these files so that this structure is preserved? By copying all the folderes and files to the Darktable home drive and run 'add'? Or to do some kind of import with the right parameters?

I have been using darktable for quite a long time now but recently I have this issue where images come out way over saturated after exporting. I shoot images in jpeg and the initial preview in dt looks exactly like the image out of the camera. However after exporting it shifts to an over saturated mess.

preview and out of camera:

https://preview.redd.it/yq0h67p2eyyd1.png?width=2839&format=png&auto=webp&s=f80f04087c0b497219bf12fa67c162dce5306432

exported image and preview:

https://preview.redd.it/w4hhz1u5eyyd1.png?width=2839&format=png&auto=webp&s=03e79953b6576cf15acd4a6b30116f7a8e15b848

this is without doing any changes to the picture just import -> export

It is a Nikon Camera with AdobeRGB set a colorspace for the jpgs. Changing the output profile sRGB/AdobeRGB does not seem to make any difference for the issue as well as changing the intent

I have no idea where to go from here

edit: converting from adobeRGB to sRGB in GIMP has exactly the same effect so I guess I know what the problem is now. Too bad I already shot all my holiday pictures on the magic non working adobeRGB profile. Lessons learned

Glitches appears when zooming after show/hide masks etc and presits further

https://preview.redd.it/glpfuk7smqyd1.png?width=1742&format=png&auto=webp&s=e3e3411493961b7ec998508ea7823a81ea4400de

https://preview.redd.it/egxeul7smqyd1.png?width=1702&format=png&auto=webp&s=dd0aef6acc3967dbbae03716be5cbed81b9dad3c