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  1. Qt
  2. QTBUG-126706

Broken rendering with OpenGL compositing on i915

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.7.1
    • GUI: OpenGL
    • Linux/Wayland, Linux/X11

    Description

      On KDE plasma 6 and SDDM we are having issues with rendering on older video card hardware.
      I have created a bug report to SDDM and KDE, but they send me to QT about this issues. This happens on wayland and on X11

      The error messages are:

      KDE 489229 - Broken rendering with OpenGL compositing on i915 (kde.org)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to build graphics pipeline state
      Jun 26 13:12:39 mrichan plasmashell[1424]: Failed to link shader program: error: Exceeded max ALU instructions (106/64)
      Jun 26 13:15:13 mrichan systemsettings[1774]: Failed to link shader program: error: Exceeded max ALU instructions (77/64)
      Jun 26 13:15:13 mrichan systemsettings[1774]: Failed to build graphics pipeline state
      Jun 26 13:15:13 mrichan systemsettings[1774]: Failed to link shader program: error: Exceeded max ALU instructions (77/64)
      Jun 26 13:15:13 mrichan systemsettings[1774]: Failed to build graphics pipeline state
       

      SDDM No text login screen with older video card hardware - Issue #1958 - sddm/sddm (github.com):

       

      sddm-greeter-qt6[1050]: Failed to build graphics pipeline state
      sddm-greeter-qt6[1050]: Failed to link shader program: error: Exceeded max nr indirect texture lookups (5/4) 

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            lagocs Laszlo Agocs
            rachid Rachid Achellal
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            Dates

              Created:
              Updated:

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