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| author | Jasper St. Pierre <jstpierre@mecheye.net> | 2014-09-02 11:21:02 -0700 |
|---|---|---|
| committer | Jasper St. Pierre <jstpierre@mecheye.net> | 2014-09-02 11:26:55 -0700 |
| commit | e6a0378289909a5ac6f7824560147565eb01737e (patch) | |
| tree | 68e2d7fd34edb3565a1ec66588445aae1513d043 /gtk/gtkcssshadowvalue.c | |
| parent | 0acad8436693faed46d2357d707ff01f103cb57a (diff) | |
| download | gtk+-e6a0378289909a5ac6f7824560147565eb01737e.tar.gz | |
gtkcssshadowvalue: Use cairo_surface_create_similar_image
Calling this on an Xlib surface allows us to keep this in SHM memory,
giving it a potential speedup so we don't have to copy it to SHM memory
for the Composite when we mask later.
Diffstat (limited to 'gtk/gtkcssshadowvalue.c')
| -rw-r--r-- | gtk/gtkcssshadowvalue.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gtk/gtkcssshadowvalue.c b/gtk/gtkcssshadowvalue.c index 671f4f0b6d..7f72698df2 100644 --- a/gtk/gtkcssshadowvalue.c +++ b/gtk/gtkcssshadowvalue.c @@ -331,9 +331,10 @@ gtk_css_shadow_value_start_drawing (const GtkCssValue *shadow, clip_radius = _gtk_cairo_blur_compute_pixels (radius); /* Create a larger surface to center the blur. */ - surface = cairo_image_surface_create (CAIRO_FORMAT_A8, - clip_rect.width + 2 * clip_radius, - clip_rect.height + 2 * clip_radius); + surface = cairo_surface_create_similar_image (cairo_get_target (cr), + CAIRO_FORMAT_A8, + clip_rect.width + 2 * clip_radius, + clip_rect.height + 2 * clip_radius); cairo_surface_set_device_offset (surface, clip_radius - clip_rect.x, clip_radius - clip_rect.y); blur_cr = cairo_create (surface); cairo_set_user_data (blur_cr, &shadow_key, cairo_reference (cr), (cairo_destroy_func_t) cairo_destroy); |