When the alpha channel of a surface is changed and the surface refreshed, pixman renderer will now apply a mask corresponding to the alpha channel value.
This allows visual effects like shell fade in, shell fade out, window switching, to work when using pixman renderer. Signed-off-by: Manuel Bachmann <[email protected]> --- src/pixman-renderer.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/pixman-renderer.c b/src/pixman-renderer.c index b999343..eff7201 100644 --- a/src/pixman-renderer.c +++ b/src/pixman-renderer.c @@ -340,9 +340,16 @@ repaint_region(struct weston_view *ev, struct weston_output *output, if (ps->buffer_ref.buffer) wl_shm_buffer_begin_access(ps->buffer_ref.buffer->shm_buffer); + pixman_image_t *mask_image; + if (ev->alpha < 1.0) { + pixman_color_t mask = { 0x0000, 0x0000, 0x0000, 0xffff*ev->alpha }; + mask_image = pixman_image_create_solid_fill(&mask); + } else + mask_image = NULL; + pixman_image_composite32(pixman_op, ps->image, /* src */ - NULL /* mask */, + mask_image, /* mask */ po->shadow_image, /* dest */ 0, 0, /* src_x, src_y */ 0, 0, /* mask_x, mask_y */ -- 1.7.10.4 _______________________________________________ wayland-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/wayland-devel
