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wayland/egl-stream: Cache texture snippet

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While it's not very relevant now, as we would rarely create it anyway
since the buffer nor texture never changes for a surface, it will be in
the future, as the actor state (including its content,
MetaShapedTexture) will be synchronized by the MetaWaylandActorSurface
at a later point in time, and not by MetaWaylandSurface, at state
application time.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/961
(cherry picked from commit 76ee026caa)
This commit is contained in:
Jonas Ådahl 2019-12-05 19:43:07 +01:00
parent 78a45e1813
commit f52c0a3bf7
3 changed files with 18 additions and 11 deletions
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2
src/wayland/meta-wayland-buffer.c
View File

@ -456,7 +456,7 @@ meta_wayland_buffer_create_snippet (MetaWaylandBuffer *buffer)
if (!buffer->egl_stream.stream)
return NULL;
return meta_wayland_egl_stream_create_snippet ();
return meta_wayland_egl_stream_create_snippet (buffer->egl_stream.stream);
#else
return NULL;
#endif /* HAVE_WAYLAND_EGLSTREAM */

11
src/wayland/meta-wayland-egl-stream.c
View File

@ -134,6 +134,7 @@ struct _MetaWaylandEglStream
MetaWaylandBuffer *buffer;
CoglTexture2D *texture;
gboolean is_y_inverted;
CoglSnippet *snippet;
};
G_DEFINE_TYPE (MetaWaylandEglStream, meta_wayland_egl_stream,
@ -289,7 +290,9 @@ meta_wayland_egl_stream_is_y_inverted (MetaWaylandEglStream *stream)
}
CoglSnippet *
meta_wayland_egl_stream_create_snippet (void)
meta_wayland_egl_stream_create_snippet (MetaWaylandEglStream *stream)
{
if (!stream->snippet)
{
CoglSnippet *snippet;
@ -299,8 +302,10 @@ meta_wayland_egl_stream_create_snippet (void)
cogl_snippet_set_replace (snippet,
"cogl_texel = texture2D (tex_external,\n"
" cogl_tex_coord.xy);");
stream->snippet = snippet;
}
return snippet;
return cogl_object_ref (stream->snippet);
}
gboolean
@ -341,6 +346,8 @@ meta_wayland_egl_stream_finalize (GObject *object)
meta_egl_destroy_stream (egl, egl_display, stream->egl_stream, NULL);
cogl_clear_object (&stream->snippet);
G_OBJECT_CLASS (meta_wayland_egl_stream_parent_class)->finalize (object);
}

2
src/wayland/meta-wayland-egl-stream.h
View File

@ -47,7 +47,7 @@ gboolean meta_wayland_egl_stream_attach (MetaWaylandEglStream *stream,
CoglTexture2D * meta_wayland_egl_stream_create_texture (MetaWaylandEglStream *stream,
GError **error);
CoglSnippet * meta_wayland_egl_stream_create_snippet (void);
CoglSnippet * meta_wayland_egl_stream_create_snippet (MetaWaylandEglStream *stream);
gboolean meta_wayland_egl_stream_is_y_inverted (MetaWaylandEglStream *stream);