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wayland: Add api to set a foreign shell

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Since the wayland protocol doesn't currently provide a way to
retrospectively query the interfaces that get notified when a client
first connects then when using a foreign display with Cogl then we also
need api for telling cogl what compositor and shell objects to use. We
already had api for setting a foreign compositor so this patch just adds
api for setting a foreign shell.

This patch also adds documentation for all the wayland specific apis.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Robert Bragg 2011-11-29 18:34:26 +00:00
parent fb8c48108b
commit 14ddbd980b
3 changed files with 148 additions and 2 deletions
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1
cogl/cogl-renderer-private.h
View File

@ -56,6 +56,7 @@ struct _CoglRenderer
#if defined (COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT)
struct wl_display *foreign_wayland_display;
struct wl_compositor *foreign_wayland_compositor;
struct wl_shell *foreign_wayland_shell;
#endif
/* List of callback functions that will be given every native event */
GSList *event_filters;

114
cogl/cogl-wayland-renderer.h
View File

@ -37,26 +37,140 @@ G_BEGIN_DECLS
#define cogl_wayland_renderer_set_foreign_display \
cogl_wayland_renderer_set_foreign_display_EXP
/**
* cogl_wayland_renderer_set_foreign_display:
* @renderer: A #CoglRenderer
* @display: A Wayland display
*
* Allows you to explicitly control what Wayland display you want Cogl
* to work with instead of leaving Cogl to automatically connect to a
* wayland compositor.
*
* <note>If you use this API you must also explicitly set foreign
* Wayland compositor and shell objects using the
* cogl_wayland_renderer_set_foreign_compositor() and
* cogl_wayland_renderer_set_foreign_shell() respectively. This ie
* because Wayland doesn't currently provide a way to retrospectively
* query these interfaces so the expectation is that if you have taken
* ownership of the display then you will also have been notified of
* the compositor and shell interfaces which Cogl needs to use.</note>
*
* Since: 1.8
* Stability: unstable
*/
void
cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer,
struct wl_display *display);
#define cogl_wayland_renderer_get_display \
cogl_wayland_renderer_get_display_EXP
/**
* cogl_wayland_renderer_get_display:
* @renderer: A #CoglRenderer
* @display: A Wayland display
*
* Retrieves the Wayland display that Cogl is using. If a foreign
* display has been specified using
* cogl_wayland_renderer_set_foreign_display() then that display will
* be returned. If no foreign display has been specified then the
* display that Cogl creates internally will be returned unless the
* renderer has not yet been connected (either implicitly or explicitly by
* calling cogl_renderer_connect()) in which case %NULL is returned.
*
* Returns: The wayland display currently associated with @renderer,
* or %NULL if the renderer hasn't yet been connected and no
* foreign display has been specified.
*
* Since: 1.8
* Stability: unstable
*/
struct wl_display *
cogl_wayland_renderer_get_display (CoglRenderer *renderer);
#define cogl_wayland_renderer_set_foreign_compositor \
cogl_wayland_renderer_set_foreign_compositor_EXP
/**
* cogl_wayland_renderer_set_foreign_compositor:
* @renderer: A #CoglRenderer
* @compositor: A Wayland compositor
*
* Allows you to explicitly notify Cogl of a Wayland compositor
* interface to use. This API should be used in conjunction with
* cogl_wayland_renderer_set_foreign_display() because if you are
* connecting to a wayland compositor manually that will also mean you
* will be notified on connection of the available interfaces that
* can't be queried retrosectively with the current Wayland protocol.
*
* Since: 1.8
* Stability: unstable
*/
void
cogl_wayland_renderer_set_foreign_compositor (CoglRenderer *renderer,
struct wl_compositor *compositor);
#define cogl_wayland_renderer_get_compositor \
cogl_wayland_renderer_get_compositor_EXP
/**
* cogl_wayland_renderer_get_compositor:
* @renderer: A #CoglRenderer
*
* Retrieves the Wayland compositor interface that Cogl is using. If a
* foreign compositor has been specified using
* cogl_wayland_renderer_set_foreign_compositor() then that compositor
* will be returned. If no foreign compositor has been specified then
* the compositor that Cogl is notified of internally will be returned
* unless the renderer has not yet been connected (either implicitly
* or explicitly by calling cogl_renderer_connect()) in which case
* %NULL is returned.
*
* Since: 1.8
* Stability: unstable
*/
struct wl_compositor *
cogl_wayland_renderer_get_compositor (CoglRenderer *renderer);
#define cogl_wayland_renderer_set_foreign_shell \
cogl_wayland_renderer_set_foreign_shell_EXP
/**
* cogl_wayland_renderer_set_foreign_shell:
* @renderer: A #CoglRenderer
* @shell: A Wayland shell
*
* Allows you to explicitly notify Cogl of a Wayland shell interface
* to use. This API should be used in conjunction with
* cogl_wayland_renderer_set_foreign_display() because if you are
* connecting to a wayland compositor manually that will also mean you
* will be notified on connection of the available interfaces that
* can't be queried retrosectively with the current Wayland protocol.
*
* Since: 1.10
* Stability: unstable
*/
void
cogl_wayland_renderer_set_foreign_shell (CoglRenderer *renderer,
struct wl_shell *shell);
#define cogl_wayland_renderer_get_shell \
cogl_wayland_renderer_get_shell_EXP
/**
* cogl_wayland_renderer_get_shell:
* @renderer: A #CoglRenderer
*
* Retrieves the Wayland shell interface that Cogl is using. If a
* foreign shell has been specified using
* cogl_wayland_renderer_set_foreign_shell() then that shell
* will be returned. If no foreign shell has been specified then
* the shell that Cogl is notified of internally will be returned
* unless the renderer has not yet been connected (either implicitly
* or explicitly by calling cogl_renderer_connect()) in which case
* %NULL is returned.
*
* Since: 1.10
* Stability: unstable
*/
struct wl_shell *
cogl_wayland_renderer_get_shell (CoglRenderer *renderer);
G_END_DECLS
#endif /* __COGL_WAYLAND_RENDERER_H__ */

35
cogl/winsys/cogl-winsys-egl.c
View File

@ -328,10 +328,13 @@ _cogl_winsys_renderer_connect (CoglRenderer *renderer,
{
egl_renderer->wayland_display = renderer->foreign_wayland_display;
/* XXX: For now we have to assume that if a foreign display is
* given then so is a foreing compositor because there is no way
* to retrospectively be notified of the compositor. */
* given then a foreign compositor and shell must also have been
* given because wayland doesn't provide a way to
* retrospectively be notified of the these objects. */
g_assert (renderer->foreign_wayland_compositor);
g_assert (renderer->foreign_wayland_shell);
egl_renderer->wayland_compositor = renderer->foreign_wayland_compositor;
egl_renderer->wayland_shell = renderer->foreign_wayland_shell;
}
else
{
@ -1886,6 +1889,34 @@ cogl_wayland_renderer_get_compositor (CoglRenderer *renderer)
return NULL;
}
void
cogl_wayland_renderer_set_foreign_shell (CoglRenderer *renderer,
struct wl_shell *shell)
{
_COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
/* NB: Renderers are considered immutable once connected */
_COGL_RETURN_IF_FAIL (!renderer->connected);
renderer->foreign_wayland_shell = shell;
}
struct wl_shell *
cogl_wayland_renderer_get_shell (CoglRenderer *renderer)
{
_COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
if (renderer->foreign_wayland_shell)
return renderer->foreign_wayland_shell;
else if (renderer->connected)
{
CoglRendererEGL *egl_renderer = renderer->winsys;
return egl_renderer->wayland_shell;
}
else
return NULL;
}
struct wl_surface *
cogl_wayland_onscreen_get_surface (CoglOnscreen *onscreen)
{