diff options
| -rw-r--r-- | src/gtk_fb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gtk_fb.c b/src/gtk_fb.c index 1d8719b..0d70c0b 100644 --- a/src/gtk_fb.c +++ b/src/gtk_fb.c @@ -141,6 +141,14 @@ static void * gtk_fb_page_alloc(fb_t *fb, void *context, fb_page_t *res_page) if (!p) return NULL; + /* XXX: note this is a plain in-memory surface that will always work everywhere, + * but that generality prevents potential optimizations. + * With some extra effort, on backends like X, an xshm surface could be + * created instead, for a potential performance boost by having the + * surface contents accessible server-side where accelerated copies may + * be used, while also accessible client-side where rototiller draws into. + * TODO if better X performance is desired. + */ p->surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, c->width, c->height); res_page->fragment.buf = (uint32_t *)cairo_image_surface_get_data(p->surface); |