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egl: add automatic zink fallback loading between hw and sw drivers

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if loading the default hardware driver fails, implicitly loading zink
should now be preferable to hitting the software fallback now that zink
has all the same capabilities

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25640>
This commit is contained in:
Mike Blumenkrantz
2023-10-09 15:02:13 -04:00
committed by Marge Bot
parent cedb534a17
commit 8cd44b8843
1 changed files with 11 additions and 4 deletions
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15
src/egl/main/eglapi.c
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@@ -695,10 +695,17 @@ eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
if (disp->Options.ForceSoftware)
RETURN_EGL_ERROR(disp, EGL_NOT_INITIALIZED, EGL_FALSE);
else {
disp->Options.Zink = EGL_FALSE;
disp->Options.ForceSoftware = EGL_TRUE;
if (!_eglDriver.Initialize(disp))
RETURN_EGL_ERROR(disp, EGL_NOT_INITIALIZED, EGL_FALSE);
bool success = disp->Options.Zink;
if (!disp->Options.Zink && !getenv("GALLIUM_DRIVER")) {
disp->Options.Zink = EGL_TRUE;
success = _eglDriver.Initialize(disp);
}
if (!success) {
disp->Options.Zink = EGL_FALSE;
disp->Options.ForceSoftware = EGL_TRUE;
if (!_eglDriver.Initialize(disp))
RETURN_EGL_ERROR(disp, EGL_NOT_INITIALIZED, EGL_FALSE);
}
}
}