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shell-app: Add PrefersNonDefaultGPU support to shell_app_launch()

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Read the "PrefersNonDefaultGPU" key in desktop files to figure out
whether the application prefers running on the discrete GPU, or the
default GPU, and apply that.

Update the "Launch..." contextual menu to allow launching on
the default GPU if the application "prefers [the] non default GPU".

See:
https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html#recognized-keys

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/1804
This commit is contained in:
Bastien Nocera
2020-04-29 11:20:40 +02:00
committed by Florian Müllner
parent 13dcd78be1
commit 34da48453e
3 changed files with 34 additions and 16 deletions
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22
src/shell-app.c
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@ -531,7 +531,7 @@ shell_app_activate_full (ShellApp *app,
case SHELL_APP_STATE_STOPPED:
{
GError *error = NULL;
if (!shell_app_launch (app, timestamp, workspace, FALSE, &error))
if (!shell_app_launch (app, timestamp, workspace, SHELL_APP_LAUNCH_GPU_APP_PREF, &error))
{
char *msg;
msg = g_strdup_printf (_("Failed to launch “%s”"), shell_app_get_name (app));
@ -606,7 +606,7 @@ shell_app_open_new_window (ShellApp *app,
* instance (Firefox). There are a few less-sensical cases such
* as say Pidgin.
*/
shell_app_launch (app, 0, workspace, FALSE, NULL);
shell_app_launch (app, 0, workspace, SHELL_APP_LAUNCH_GPU_APP_PREF, NULL);
}
/**
@ -1339,20 +1339,21 @@ apply_discrete_gpu_env (GAppLaunchContext *context,
* shell_app_launch:
* @timestamp: Event timestamp, or 0 for current event timestamp
* @workspace: Start on this workspace, or -1 for default
* @discrete_gpu: Whether to start on the discrete GPU
* @gpu_pref: the GPU to prefer launching on
* @error: A #GError
*/
gboolean
shell_app_launch (ShellApp *app,
guint timestamp,
int workspace,
gboolean discrete_gpu,
GError **error)
shell_app_launch (ShellApp *app,
guint timestamp,
int workspace,
ShellAppLaunchGpu gpu_pref,
GError **error)
{
ShellGlobal *global;
GAppLaunchContext *context;
gboolean ret;
GSpawnFlags flags;
gboolean discrete_gpu = FALSE;
if (app->info == NULL)
{
@ -1369,6 +1370,11 @@ shell_app_launch (ShellApp *app,
global = shell_global_get ();
context = shell_global_create_app_launch_context (global, timestamp, workspace);
if (gpu_pref == SHELL_APP_LAUNCH_GPU_APP_PREF)
discrete_gpu = g_desktop_app_info_get_boolean (app->info, "PrefersNonDefaultGPU");
else
discrete_gpu = (gpu_pref == SHELL_APP_LAUNCH_GPU_DISCRETE);
if (discrete_gpu)
apply_discrete_gpu_env (context, global);