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platforms/drm: only use glDrawBuffer with desktop GL

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That function is not available with GLES, and calling it is only necessary
for NVidia.
This commit is contained in:
Xaver Hugl 2021-10-27 11:45:06 +02:00
parent a7b833f319
commit 1626d7a51a
1 changed files with 3 additions and 1 deletions
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4
src/plugins/platforms/drm/egl_gbm_backend.cpp
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@ -359,7 +359,9 @@ bool EglGbmBackend::makeContextCurrent(const Output::RenderData &render) const
qCCritical(KWIN_DRM) << "eglMakeCurrent failed:" << getEglErrorString();
return false;
}
glDrawBuffer(GL_BACK);
if (!GLPlatform::instance()->isGLES()) {
glDrawBuffer(GL_BACK);
}
return true;
}