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xlib: Internally retrieve XEvents

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Previously we relied on the application to send all X events through
Cogl using cogl_xlib_renderer_handle_event. This breaks the
abstraction that an application shouldn't need to know what winsys
Cogl is using. Now that we have main loop integreation in Cogl, the
Xlib-based winsys's can report that Cogl needs to block on the file
descriptor of the X connection and it can manually handle the
events.

The event retrieval can be disabled by an application if it calls the
new cogl_xlib_renderer_set_event_retrieval_enabled() function. The
event retrieval will also automatically be disabled if the application
sets a foreign display.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Neil Roberts
2011-12-16 18:50:49 +00:00
parent 7497475295
commit 181b875a3d
7 changed files with 156 additions and 0 deletions
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25
cogl/winsys/cogl-winsys-egl-x11.c
View File

@@ -564,6 +564,28 @@ _cogl_winsys_xlib_get_visual_info (void)
return get_visual_info (ctx->display, egl_display->egl_config);
}
static void
_cogl_winsys_poll_get_info (CoglContext *context,
CoglPollFD **poll_fds,
int *n_poll_fds,
gint64 *timeout)
{
_cogl_xlib_renderer_poll_get_info (context->display->renderer,
poll_fds,
n_poll_fds,
timeout);
}
static void
_cogl_winsys_poll_dispatch (CoglContext *context,
const CoglPollFD *poll_fds,
int n_poll_fds)
{
_cogl_xlib_renderer_poll_dispatch (context->display->renderer,
poll_fds,
n_poll_fds);
}
#ifdef EGL_KHR_image_pixmap
static gboolean
@@ -710,6 +732,9 @@ _cogl_winsys_egl_xlib_get_vtable (void)
vtable.xlib_get_visual_info = _cogl_winsys_xlib_get_visual_info;
vtable.poll_get_info = _cogl_winsys_poll_get_info;
vtable.poll_dispatch = _cogl_winsys_poll_dispatch;
#ifdef EGL_KHR_image_pixmap
/* X11 tfp support... */
/* XXX: instead of having a rather monolithic winsys vtable we could

24
cogl/winsys/cogl-winsys-glx.c
View File

@@ -2051,6 +2051,27 @@ _cogl_winsys_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap)
return glx_tex_pixmap->glx_tex;
}
static void
_cogl_winsys_poll_get_info (CoglContext *context,
CoglPollFD **poll_fds,
int *n_poll_fds,
gint64 *timeout)
{
_cogl_xlib_renderer_poll_get_info (context->display->renderer,
poll_fds,
n_poll_fds,
timeout);
}
static void
_cogl_winsys_poll_dispatch (CoglContext *context,
const CoglPollFD *poll_fds,
int n_poll_fds)
{
_cogl_xlib_renderer_poll_dispatch (context->display->renderer,
poll_fds,
n_poll_fds);
}
static CoglWinsysVtable _cogl_winsys_vtable =
{
@@ -2082,6 +2103,9 @@ static CoglWinsysVtable _cogl_winsys_vtable =
_cogl_winsys_onscreen_remove_swap_buffers_callback,
.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility,
.poll_get_info = _cogl_winsys_poll_get_info,
.poll_dispatch = _cogl_winsys_poll_dispatch,
/* X11 tfp support... */
/* XXX: instead of having a rather monolithic winsys vtable we could
* perhaps look for a way to separate these... */