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wayland-surface: Allow setting a NULL buffer to effectively unmap

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This commit is contained in:
Jasper St. Pierre 2013-11-19 12:47:50 -05:00
parent c749f7b6fb
commit f0280a8868
1 changed files with 30 additions and 30 deletions
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60
src/wayland/meta-wayland-surface.c
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@ -260,6 +260,28 @@ surface_ensure_window (MetaWaylandSurface *surface)
surface->window = meta_window_new_for_wayland (display, width, height, surface);
}
static void
ensure_buffer_texture (MetaWaylandBuffer *buffer)
{
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
CoglError *catch_error = NULL;
CoglTexture *texture;
texture = COGL_TEXTURE (cogl_wayland_texture_2d_new_from_buffer (ctx,
buffer->resource,
&catch_error));
if (!texture)
{
cogl_error_free (catch_error);
meta_warning ("Could not import pending buffer, ignoring commit\n");
return;
}
buffer->texture = texture;
buffer->width = cogl_texture_get_width (texture);
buffer->height = cogl_texture_get_height (texture);
}
static void
meta_wayland_surface_commit (struct wl_client *client,
struct wl_resource *resource)
@ -278,37 +300,15 @@ meta_wayland_surface_commit (struct wl_client *client,
surface->buffer_ref.buffer != surface->pending.buffer)
{
MetaWaylandBuffer *buffer = surface->pending.buffer;
CoglContext *ctx =
clutter_backend_get_cogl_context (clutter_get_default_backend ());
CoglError *catch_error = NULL;
CoglTexture *texture =
COGL_TEXTURE (cogl_wayland_texture_2d_new_from_buffer (ctx,
buffer->resource,
&catch_error));
if (!texture)
{
cogl_error_free (catch_error);
meta_warning ("Could not import pending buffer, ignoring commit\n");
return;
}
else
{
buffer->texture = texture;
buffer->width = cogl_texture_get_width (texture);
buffer->height = cogl_texture_get_height (texture);
}
/* Note: we set this before informing any window-actor since the
* window actor will expect to find the new buffer within the
* surface. */
meta_wayland_buffer_reference (&surface->buffer_ref,
surface->pending.buffer);
}
if (!surface->buffer_ref.buffer)
{
meta_warning ("Commit without a buffer? Ignoring\n");
return;
if (buffer)
{
/* Note: we set this before informing any window-actor since the
* window actor will expect to find the new buffer within the
* surface. */
ensure_buffer_texture (buffer);
meta_wayland_buffer_reference (&surface->buffer_ref, buffer);
}
}
surface_ensure_window (surface);