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  1. Qt
  2. QTBUG-91254

On Windows, QtCharts can only work using ANGLE in openGL es 2.0 (with setUseOpenGL(true))

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    Details

    • Type: Bug
    • Status: Reported
    • Priority: P2: Important
    • Resolution: Unresolved
    • Affects Version/s: 5.12.7, 5.15.2
    • Fix Version/s: None
    • Component/s: Charts
    • Labels:
      None
    • Environment:
      Windows 7/10, vs2015/2019, intel UHD Graphics 630

      Description

      We want to plot lots of datas on a histogram implemented with QtCharts module, hence we have to enable the openGL acceleration.

      We using gles (enabled with QCoreApplication::setAttribute(Qt::AA_UseOpenGLES)), since we want to make this as a cross-platform application.

      We found it cannot render correctly over gles version 2.0, but we have to use some features which only supported over 2.0.

      The two attached images show the result for the offical QtChart example "OpenGL Accelerated Series Example". One with gles 2.0 and the other with gles 3.0.
       

        Attachments

        1. gles2.0.png
          gles2.0.png
          28 kB
        2. gles3.0.png
          gles3.0.png
          7 kB
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            People

            Assignee:
            e0348803 Miikka Heikkinen
            Reporter:
            linnex linnex
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              Dates

              Created:
              Updated:

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