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GLFW test environment does not respect libglvnd configuration #181258

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#181259
Closed
GLFW test environment does not respect libglvnd configuration#181258
#181259
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P2Important issues not at the top of the work liste: impellerImpeller rendering backend issues and features requestsengineflutter/engine related. See also e: labels.r: fixedIssue is closed as already fixed in a newer versionteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

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@planetmarshall
planetmarshall
opened on Jan 21, 2026

Normally an application using EGL can select an OpenGL implementation by defining, for example,

__EGL_VENDOR_LIBRARY_FILENAMES=/usr/share/glvnd/egl_vendor.d/50_mesa.json

using libglvnd

This allows a developer to test OpenGLES applications against different implementations. The current setup in playground_impl_gles.cc does not respect the environment setting and always selects the default GL implementation.

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    P2Important issues not at the top of the work liste: impellerImpeller rendering backend issues and features requestsengineflutter/engine related. See also e: labels.r: fixedIssue is closed as already fixed in a newer versionteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

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