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clutter: Remove support not specifying backend

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This was from the old clutter-as-application-library days, where it had
to try find a suitable backend. Now we already have a backend selected
(MetaBackend), and the clutter backend is already predecided depending
on that, so we don't need the code that auto detects an appropriate one
anymore.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1364
This commit is contained in:
Jonas Ådahl 2020-07-09 21:35:34 +02:00
parent 0d95f4d854
commit c2a155f767
1 changed files with 4 additions and 71 deletions
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75
clutter/clutter/clutter-backend.c
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@ -58,13 +58,6 @@
#include <cogl/cogl.h>
#ifdef CLUTTER_INPUT_X11
#include "x11/clutter-backend-x11.h"
#endif
#ifdef CLUTTER_WINDOWING_EGL
#include "egl/clutter-backend-eglnative.h"
#endif
#ifdef CLUTTER_HAS_WAYLAND_COMPOSITOR_SUPPORT
#include <cogl/cogl-wayland-server.h>
#include <wayland-server.h>
@ -431,23 +424,8 @@ clutter_backend_real_get_features (ClutterBackend *backend)
return flags;
}
static const char *allowed_backends;
static ClutterBackend * (* custom_backend_func) (void);
static const struct {
const char *name;
ClutterBackend * (* create_backend) (void);
} available_backends[] = {
#ifdef CLUTTER_WINDOWING_X11
{ CLUTTER_WINDOWING_X11, clutter_backend_x11_new },
#endif
#ifdef CLUTTER_WINDOWING_EGL
{ CLUTTER_WINDOWING_EGL, clutter_backend_egl_native_new },
#endif
{ NULL, NULL },
};
void
clutter_set_custom_backend_func (ClutterBackend *(* func) (void))
{
@ -457,58 +435,13 @@ clutter_set_custom_backend_func (ClutterBackend *(* func) (void))
ClutterBackend *
_clutter_create_backend (void)
{
const char *backends_list;
ClutterBackend *retval;
gboolean allow_any;
char **backends;
int i;
if (custom_backend_func)
{
retval = custom_backend_func ();
g_return_val_if_fail (custom_backend_func, NULL);
if (!retval)
g_error ("Failed to create custom backend.");
return retval;
}
if (allowed_backends == NULL)
allowed_backends = "*";
allow_any = strstr (allowed_backends, "*") != NULL;
backends_list = g_getenv ("CLUTTER_BACKEND");
if (backends_list == NULL)
backends_list = allowed_backends;
backends = g_strsplit (backends_list, ",", 0);
retval = NULL;
for (i = 0; retval == NULL && backends[i] != NULL; i++)
{
const char *backend = backends[i];
gboolean is_any = g_str_equal (backend, "*");
int j;
for (j = 0; available_backends[j].name != NULL; j++)
{
if ((is_any && allow_any) ||
(is_any && strstr (allowed_backends, available_backends[j].name)) ||
g_str_equal (backend, available_backends[j].name))
{
retval = available_backends[j].create_backend ();
if (retval != NULL)
break;
}
}
}
g_strfreev (backends);
if (retval == NULL)
g_error ("No default Clutter backend found.");
retval = custom_backend_func ();
if (!retval)
g_error ("Failed to create custom backend.");
return retval;
}