From 6f4318869cf551f4ed349459b7afd50e4b10941c Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sun, 23 Jan 2011 13:29:51 +0000 Subject: [PATCH] xcb: Prefer RenderFillRectangles to perform the deferred clear Signed-off-by: Chris Wilson --- src/cairo-xcb-surface-render.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/src/cairo-xcb-surface-render.c b/src/cairo-xcb-surface-render.c index 0b76e8ec1..728c8a347 100644 --- a/src/cairo-xcb-surface-render.c +++ b/src/cairo-xcb-surface-render.c @@ -2282,17 +2282,27 @@ _cairo_xcb_surface_clear (cairo_xcb_surface_t *dst) if (unlikely (status)) return status; - gc = _cairo_xcb_screen_get_gc (dst->screen, dst->drawable, dst->depth); - rect.x = rect.y = 0; rect.width = dst->width; rect.height = dst->height; - _cairo_xcb_connection_poly_fill_rectangle (dst->connection, - dst->drawable, gc, - 1, &rect); + if (dst->flags & CAIRO_XCB_RENDER_HAS_COMPOSITE) { + xcb_render_color_t transparent = { 0 }; - _cairo_xcb_screen_put_gc (dst->screen, dst->depth, gc); + _cairo_xcb_connection_render_fill_rectangles (dst->connection, + XCB_RENDER_PICT_OP_CLEAR, + dst->picture, + transparent, + 1, &rect); + } else { + gc = _cairo_xcb_screen_get_gc (dst->screen, dst->drawable, dst->depth); + + _cairo_xcb_connection_poly_fill_rectangle (dst->connection, + dst->drawable, gc, + 1, &rect); + + _cairo_xcb_screen_put_gc (dst->screen, dst->depth, gc); + } _cairo_xcb_connection_release (dst->connection);