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shell-app: Add discrete GPU support for NVidia drivers

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Add the necessary environment variables that would make offloading to
the NVidia "secondary" drivers work as expected.

Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/1810
This commit is contained in:
Bastien Nocera 2019-10-24 14:39:25 +02:00
parent 366b06716d
commit 752b1df659
1 changed files with 5 additions and 1 deletions
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6
src/shell-app.c
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@ -1309,7 +1309,11 @@ shell_app_launch (ShellApp *app,
context = shell_global_create_app_launch_context (global, timestamp, workspace);
/* FIXME: this should probably check whether we're on a dual-GPU system */
if (get_with_discrete_gpu (app, discrete_gpu))
g_app_launch_context_setenv (context, "DRI_PRIME", "1");
{
g_app_launch_context_setenv (context, "DRI_PRIME", "1");
g_app_launch_context_setenv (context, "__NV_PRIME_RENDER_OFFLOAD", "1");
g_app_launch_context_setenv (context, "__GLX_VENDOR_LIBRARY_NAME", "nvidia");
}
/* Set LEAVE_DESCRIPTORS_OPEN in order to use an optimized gspawn
* codepath. The shell's open file descriptors should be marked CLOEXEC