mainnika/weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

compositor: set the opaque region for some views with transform

Browse Source 
If the transform on a view is only a translation we can trivially
set the opaque region for it so to optimize the rendering.
Reviewed-by: Jonas Ådahl <jadahl@gmail.com>
This commit is contained in:
Giulio Camuffo
2016-09-04 18:50:46 +03:00
committed by Quentin Glidic
parent 3578497990
commit 148c1992ac
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libweston/compositor.c
+9
View File
@@ -1192,6 +1192,15 @@ weston_view_update_transform_enable(struct weston_view *view)
return -1; return -1;
} }
if (view->alpha == 1.0 &&
matrix->type == WESTON_MATRIX_TRANSFORM_TRANSLATE) {
pixman_region32_copy(&view->transform.opaque,
&view->surface->opaque);
pixman_region32_translate(&view->transform.opaque,
matrix->d[12],
matrix->d[13]);
}
pixman_region32_init_rect(&surfregion, 0, 0, pixman_region32_init_rect(&surfregion, 0, 0,
view->surface->width, view->surface->height); view->surface->width, view->surface->height);
if (view->geometry.scissor_enabled) if (view->geometry.scissor_enabled)