[PyQt] Error: Failed to load opengl32sw.dll

[Zhao Lee]

Yes, but it seems PyQt5 is unaware of those DLLs, so caused the problem











在 2020-02-10 18:23:57，"Phil Thompson" <phil at riverbankcomputing.com> 写道：
>On 10/02/2020 05:03, Zhao Lee wrote:
>> Got the following error  with :Python 3.7.4, lateset pyqt5 and
>> PyQtWebEngine, on win10 32bit.
>> As I've said in the last "QtWebEngineProcess.exe – Bad Image” thread,
>> version 5.13.2 of pyqt5 and PyQtWebEngine do not suffer the problem.
>> 
>> 
>> Failed to load opengl32sw.dll (�Ҳ���ָ����ģ�顣)
>> 
>> Failed to load and resolve WGL/OpenGL functions
>> 
>> qt.qpa.gl: Software OpenGL failed. Falling back to system OpenGL.
>> 
>> Failed to load opengl32sw.dll (�Ҳ���ָ����ģ�顣)
>> 
>> Failed to load and resolve WGL/OpenGL functions
>> 
>> qt.qpa.gl: Software OpenGL failed. Falling back to system OpenGL.
>> 
>> Failed to load opengl32sw.dll (�Ҳ���ָ����ģ�顣)
>> 
>> Failed to load and resolve WGL/OpenGL functions
>> 
>> qt.qpa.gl: Software OpenGL failed. Falling back to system OpenGL.
>> 
>> Failed to load opengl32sw.dll (�Ҳ���ָ����ģ�顣)
>> 
>> Failed to load and resolve WGL/OpenGL functions
>> 
>> qt.qpa.gl: Software OpenGL failed. Falling back to system OpenGL.
>> 
>> Failed to create OpenGL context for format QSurfaceFormat(version 2.0,
>> options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24,
>> redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
>> alphaBufferSize -1, stencilBufferSize 8, samples 0, swapBehavior
>> QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace
>> QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
>> .
>> 
>> This is most likely caused by not having the necessary graphics
>> drivers installed.
>> 
>> 
>> 
>> 
>> Install a driver providing OpenGL 2.0 or higher, or, if this is not
>> possible, make sure the ANGLE Open GL ES 2.0 emulation libraries
>> (libEGL.dll, libGLESv2.dll and d3dcompiler_*.dll) are available in the
>> application executable's directory or in a location listed in PATH.
>
>All of those DLLs are included in the wheel.
>
>Phil
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