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x11/backend: Use an internal GError

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Don't just return the error from Cogl, but proxy it so that it has the
correct error domain and code.
This commit is contained in:
Emmanuele Bassi 2011-11-03 14:02:43 +00:00
parent 7a2001436b
commit 983510fad4
1 changed files with 28 additions and 9 deletions
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37
clutter/x11/clutter-backend-x11.c
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@ -687,6 +687,7 @@ clutter_backend_x11_create_context (ClutterBackend *backend,
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (backend);
CoglOnscreenTemplate *onscreen_template = NULL;
CoglSwapChain *swap_chain = NULL;
GError *internal_error = NULL;
gboolean status;
if (backend->cogl_context != NULL)
@ -695,26 +696,31 @@ clutter_backend_x11_create_context (ClutterBackend *backend,
backend->cogl_renderer = cogl_renderer_new ();
cogl_xlib_renderer_set_foreign_display (backend->cogl_renderer,
backend_x11->xdpy);
if (!cogl_renderer_connect (backend->cogl_renderer, error))
if (!cogl_renderer_connect (backend->cogl_renderer, &internal_error))
goto error;
swap_chain = cogl_swap_chain_new ();
cogl_swap_chain_set_has_alpha (swap_chain,
clutter_x11_get_use_argb_visual ());
cogl_swap_chain_set_has_alpha (swap_chain, clutter_enable_argb);
onscreen_template = cogl_onscreen_template_new (swap_chain);
cogl_object_unref (swap_chain);
/* XXX: I have some doubts that this is a good design.
*
* Conceptually should we be able to check an onscreen_template
* without more details about the CoglDisplay configuration?
*/
status = cogl_renderer_check_onscreen_template (backend->cogl_renderer,
onscreen_template,
error);
if (!status && clutter_x11_get_use_argb_visual ())
&internal_error);
if (!status && clutter_enable_argb)
{
g_clear_error (error);
CLUTTER_NOTE (BACKEND,
"Creation of a context with a ARGB visual failed: %s",
internal_error != NULL ? internal_error->message
: "Unknown reason");
g_clear_error (&internal_error);
/* It's possible that the current renderer doesn't support transparency
* in a swap_chain so lets see if we can fallback to not having any
@ -723,10 +729,11 @@ clutter_backend_x11_create_context (ClutterBackend *backend,
* XXX: It might be nice to have a CoglRenderer feature we could
* explicitly check for ahead of time.
*/
clutter_enable_argb = FALSE;
cogl_swap_chain_set_has_alpha (swap_chain, FALSE);
status = cogl_renderer_check_onscreen_template (backend->cogl_renderer,
onscreen_template,
error);
&internal_error);
}
if (!status)
@ -738,16 +745,28 @@ clutter_backend_x11_create_context (ClutterBackend *backend,
cogl_object_unref (backend->cogl_renderer);
cogl_object_unref (onscreen_template);
if (!cogl_display_setup (backend->cogl_display, error))
if (!cogl_display_setup (backend->cogl_display, &internal_error))
goto error;
backend->cogl_context = cogl_context_new (backend->cogl_display, error);
backend->cogl_context = cogl_context_new (backend->cogl_display,
&internal_error);
if (backend->cogl_context == NULL)
goto error;
return TRUE;
error:
if (internal_error != NULL)
{
CLUTTER_NOTE (BACKEND, "Backend creation failed: %s",
internal_error->message);
g_set_error_literal (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_BACKEND,
internal_error->message);
g_error_free (internal_error);
}
if (backend->cogl_display != NULL)
{
cogl_object_unref (backend->cogl_display);