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[client] egl: disable EGL when running on Wayland

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This commit makes Looking Glass always use the OpenGL renderer when
running on Wayland. The EGL renderer is broken on Wayland and can't
reasonably be fixed until SDL is dropped entirely (as per
https://github.com/gnif/LookingGlass/issues/306).

Until that time, the OpenGL renderer provides a much better
Wayland-native experience.
This commit is contained in:
Tudor Brindus 2021-01-03 23:38:50 -05:00 committed by Geoffrey McRae
parent 3b0a98ede2
commit 1ca5e439c1
1 changed files with 7 additions and 0 deletions
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7
client/renderers/EGL/egl.c
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@ -170,6 +170,13 @@ void egl_setup()
bool egl_create(void ** opaque, const LG_RendererParams params)
{
// Fail if running on Wayland so that OpenGL is used instead. Wayland-EGL
// is broken (https://github.com/gnif/LookingGlass/issues/306) and isn't
// fixable until SDL is dropped entirely. Until then, the OpenGL renderer
// "mostly works".
if (getenv("WAYLAND_DISPLAY"))
return false;
// check if EGL is even available
if (!eglQueryString(EGL_NO_DISPLAY, EGL_VERSION))
return false;