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wayland/x11: Set constraints on the CoglRenderer

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When using the Wayland backend this sets a constraint that the
CoglRenderer selects the Wayland EGL winsys.

When a Wayland compositor display is set it now also sets a constraint
that the render should use EGL because only EGL renderers will set up
the required wl_drm global object.

The X11 backend now sets the X11 constraint.

Reviewed-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Neil Roberts
2012-02-29 16:35:48 +00:00
parent a0d3b01aa9
commit 1f7968e5f9
3 changed files with 10 additions and 0 deletions
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6
clutter/clutter-backend.c
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@@ -269,6 +269,12 @@ clutter_backend_real_create_context (ClutterBackend *backend,
if (backend->cogl_renderer == NULL)
goto error;
/* If the application is trying to act as a Wayland compositor then
it needs to have an EGL-based renderer backend */
if (_wayland_compositor_display)
cogl_renderer_add_constraint (backend->cogl_renderer,
COGL_RENDERER_CONSTRAINT_USES_EGL);
CLUTTER_NOTE (BACKEND, "Connecting the renderer");
if (!cogl_renderer_connect (backend->cogl_renderer, &internal_error))
goto error;