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Red Hat Is Hiring So Linux Can Finally Have Good HDR Display Support

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  • Sonadow
    replied

    Originally posted by birdie View Post

    You're hallucinating. Chrome under Linux doesn't support anything but 8bit output.

    Here's how it's "running" at "DefaultDepth 30":

    Code:
    Graphics Feature Status
    Canvas: Software only, hardware acceleration unavailable
    Compositing: Software only. Hardware acceleration disabled
    Multiple Raster Threads: Enabled
    Out-of-process Rasterization: Disabled
    OpenGL: Disabled
    Rasterization: Software only. Hardware acceleration disabled
    Skia Renderer: Enabled
    Video Decode: Software only. Hardware acceleration disabled
    Vulkan: Disabled
    WebGL: Software only, hardware acceleration unavailable
    WebGL2: Software only, hardware acceleration unavailable
    Your Chrome looks somewhat borked. This is mine:

    Graphics Feature Status
    • Canvas: Hardware accelerated
    • Canvas out-of-process rasterization: Disabled
    • Compositing: Software only. Hardware acceleration disabled
    • Multiple Raster Threads: Enabled
    • Out-of-process Rasterization: Hardware accelerated
    • OpenGL: Enabled
    • Rasterization: Hardware accelerated on all pages
    • Skia Renderer: Enabled
    • Video Decode: Software only. Hardware acceleration disabled
    • Vulkan: Enabled
    • WebGL: Hardware accelerated but at reduced performance
    • WebGL2: Hardware accelerated but at reduced performance

    Version Information
    Data exported 2021-09-19T15:21:24.455Z
    Chrome version Chrome/96.0.4641.0
    Operating system Linux 5.14.0-rc4
    Software rendering list URL https://chromium.googlesource.com/chromium/src/+/1fd5fb610a9b9dcff4e07c9fb6d4fc7a1360af4e/gpu/config/software_rendering_list.json
    Driver bug list URL https://chromium.googlesource.com/chromium/src/+/1fd5fb610a9b9dcff4e07c9fb6d4fc7a1360af4e/gpu/config/gpu_driver_bug_list.json
    ANGLE commit id 9c6f6c398795
    2D graphics backend Skia/96 47d824415e72218a573c821c55207f8561382e71
    Command Line <redacted>
    Driver Information
    Initialization time 303
    In-process GPU false
    Passthrough Command Decoder false
    Sandboxed false
    GPU0 VENDOR= 0x10de [nouveau], DEVICE=0x104a [NVD9] *ACTIVE*
    Optimus false
    AMD switchable false
    Driver vendor Mesa
    Driver version 21.2.0
    GPU CUDA compute capability major version 0
    Pixel shader version 3.10
    Vertex shader version 3.10
    Max. MSAA samples 8
    Machine model name
    Machine model version
    GL_VENDOR nouveau
    GL_RENDERER NVD9
    GL_VERSION OpenGL ES 3.1 Mesa 21.2.0
    Ozone platform wayland
    Direct rendering version unknown
    Reset notification strategy 0x8252
    GPU process crash count 0
    gfx::BufferFormats supported for allocation and texturing R_8: not supported, R_16: not supported, RG_88: not supported, BGR_565: not supported, RGBA_4444: not supported, RGBX_8888: not supported, RGBA_8888: not supported, BGRX_8888: not supported, BGRA_1010102: not supported, RGBA_1010102: not supported, BGRA_8888: not supported, RGBA_F16: not supported, YVU_420: not supported, YUV_420_BIPLANAR: not supported, P010: not supported
    Compositor Information
    Tile Update Mode One-copy
    Partial Raster Enabled

    Leave a comment:


  • birdie
    replied
    Originally posted by Sonadow View Post

    I can see the vertical bars for grey and green in Linux, but not the blue and red.

    Does that mean anything?
    You should see 256 bars for the 10bit parts of the image, and only 64 bars for the 8bit parts.

    Chrome, Firefox and native image Linux viewers all show me 64 bars.
    Last edited by birdie; 19 September 2021, 12:12 PM. Reason: Wine works with a 30bit color depth but I haven't been able to test it

    Leave a comment:


  • Sonadow
    replied
    Originally posted by birdie View Post
    Also, I've just verified that Firefox 92.0 doesn't support 30bit color either.

    This image (30bit) looks the same in every tested mode, browser or application in Xorg/X11.

    Under Windows you can see it as intended.
    I can see the vertical bars for grey and green in Linux, but not the blue and red.

    Does that mean anything?

    Leave a comment:


  • birdie
    replied
    Also, I've just verified that Firefox 92.0 doesn't support 30bit color either.

    This image (30bit) looks the same in every tested mode, browser or application in Xorg/X11.

    Under Windows you can see it as intended.

    Neither mpv, nor ffplay can display 30bit videos either.
    Last edited by birdie; 19 September 2021, 11:20 AM.

    Leave a comment:


  • mdedetrich
    replied
    Originally posted by Awesomeness View Post

    "Actually almost all studios use Linux for the desktop."
    –"they tend to use Linux for servers"

    And after you've been proven wrong, you now don't get the point. Oh man, you're hilarious. 🍿
    "Cannot actually read properly" (or refuses to do so)
    - "changes the definition of studio/workstation/desktop to suite the argument"

    And after its been proven that you twist what people say and cannot comprehend finer details. Oh man your hilarious 🍿

    Leave a comment:


  • birdie
    replied
    Originally posted by dec05eba View Post

    Im literally watching a hdr video on youtube right now with chromium + nvidia + x11 and it works and chromium even detects and says that hdr is enabled on my system
    You're hallucinating. Chrome under Linux doesn't support anything but 8bit output.

    Here's how it's "running" at "DefaultDepth 30":

    Code:
    Graphics Feature Status
    Canvas: Software only, hardware acceleration unavailable
    Compositing: Software only. Hardware acceleration disabled
    Multiple Raster Threads: Enabled
    Out-of-process Rasterization: Disabled
    OpenGL: Disabled
    Rasterization: Software only. Hardware acceleration disabled
    Skia Renderer: Enabled
    Video Decode: Software only. Hardware acceleration disabled
    Vulkan: Disabled
    WebGL: Software only, hardware acceleration unavailable
    WebGL2: Software only, hardware acceleration unavailable
    Last edited by birdie; 19 September 2021, 11:13 AM.

    Leave a comment:


  • Sonadow
    replied
    Originally posted by birdie View Post

    Absolute most smartphone (cameras) output to JPEG which doesn't support HDR in any shape or form unfortunately, and people don't shoot videos in HDR because of humongous file sizes. HDR is still gimmicky as hell for most users out there even on Windows, of course rare HDR enabled games and rare movies notwithstanding.
    Even prosumer cameras and professional DSLRs shoot to JPEG as the default capture mode unless specifically instructed otherwise.

    Leave a comment:


  • Awesomeness
    replied
    Originally posted by mdedetrich View Post
    I don't get what your point here is.
    "Actually almost all studios use Linux for the desktop."
    –"they tend to use Linux for servers"

    And after you've been proven wrong, you now don't get the point. Oh man, you're hilarious. 🍿

    Leave a comment:


  • Artim
    replied
    Originally posted by dec05eba View Post

    Im literally watching a hdr video on youtube right now with chromium + nvidia + x11 and it works and chromium even detects and says that hdr is enabled on my system
    And you know that Chrome/Chromium doesn't just bypass X11 for that like every software wanting to do something like that?
    That HDR doesn't work with Wayland isn't because the capability hasn't been added yet, but mainly because Wayland is built to prevent all the hacky solutions from working that are used to get many things to work under X because X never supported those features itself.

    Leave a comment:


  • Sonadow
    replied
    Originally posted by dragorth View Post

    Almost every Autodesk product runs on Linux
    Typical dishonest Linux liar.

    Autocad: Windows and macOS only
    Autocad LT: Windows and macOS only

    Revit: Windows only
    Revit LT: Windows only

    Fusion: Windows and macOS only

    Maya: Windows, macOS, Linux
    Maya LT: Windows only

    3DS Max: Windows only

    BIM: Windows and macOS only

    Flame: macOS and Linux only

    Navisworks: Windows only

    Arnold: Windows, macOS, Linux
    Mudbox: Windows, macOS, Linux


    NetFabb: Windows only
    Recap: Windows only
    Infraworks: Windows only
    Advance Steel: Windows only

    Alias: Windows and macOS only

    Dynamo: Windows only
    Factory Design: Windows only
    Fabrication: Windows only
    FeatureCam: Windows only

    Eagle: Windows, macOS, Linux

    Helius series: Windows only
    HSMWorks: Windows only
    Inventor series: Windows only
    Mouldflow: Windows only

    MotionBuilder: Windows and Linux only

    Navisworks: Windows only
    Point Layout: Windows only
    PowerInspect: Windows only
    PowerMill: Windows only
    PowerShape: Windows only

    Robot Structural Analysis Pro: Windows only
    TruComposites: Windows only
    Structural Bridge Design: Windows only

    Smoke: macOS only

    Vehicle Tracking: Windows only
    Vault: Windows only

    VRED: Windows and macOS only

    Within Medical: Windows only

    Pype: Windows and macOS only

    Camplete: Windows only

    Project Explorer for Civil 3D: Windows only
    Grading Optimization for Civil 3D: Windows only

    Leave a comment:

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