[PATCH weston 1/4] compositor: Keep a z-ordered list of planes
Ander Conselvan de Oliveira
ander.conselvan.de.oliveira at intel.com
Tue Mar 5 07:30:27 PST 2013
This let us clear a plane's opaque region without adding code in the
backend, and will be used in a following commit to change how we track
damage.
---
src/compositor-drm.c | 22 +++++-----------
src/compositor.c | 69 ++++++++++++++++++++++++++++++++++----------------
src/compositor.h | 7 +++++
3 files changed, 60 insertions(+), 38 deletions(-)
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index d933c92..f03ad67 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -920,26 +920,10 @@ drm_assign_planes(struct weston_output *output)
{
struct drm_compositor *c =
(struct drm_compositor *) output->compositor;
- struct drm_output *drm_output = (struct drm_output *) output;
- struct drm_sprite *s;
struct weston_surface *es, *next;
pixman_region32_t overlap, surface_overlap;
struct weston_plane *primary, *next_plane;
- /* Reset the opaque region of the planes */
- pixman_region32_fini(&drm_output->cursor_plane.opaque);
- pixman_region32_init(&drm_output->cursor_plane.opaque);
- pixman_region32_fini(&drm_output->fb_plane.opaque);
- pixman_region32_init(&drm_output->fb_plane.opaque);
-
- wl_list_for_each (s, &c->sprite_list, link) {
- if (!drm_sprite_crtc_supported(output, s->possible_crtcs))
- continue;
-
- pixman_region32_fini(&s->plane.opaque);
- pixman_region32_init(&s->plane.opaque);
- }
-
/*
* Find a surface for each sprite in the output using some heuristics:
* 1) size
@@ -1640,6 +1624,10 @@ create_output_for_connector(struct drm_compositor *ec,
weston_plane_init(&output->cursor_plane, 0, 0);
weston_plane_init(&output->fb_plane, 0, 0);
+ weston_compositor_stack_plane(&ec->base, &output->cursor_plane, NULL);
+ weston_compositor_stack_plane(&ec->base, &output->fb_plane,
+ &ec->base.primary_plane);
+
weston_log("Output %s, (connector %d, crtc %d)\n",
output->name, output->connector_id, output->crtc_id);
wl_list_for_each(m, &output->base.mode_list, link)
@@ -1713,6 +1701,8 @@ create_sprites(struct drm_compositor *ec)
plane->count_formats * sizeof(plane->formats[0]));
drmModeFreePlane(plane);
weston_plane_init(&sprite->plane, 0, 0);
+ weston_compositor_stack_plane(&ec->base, &sprite->plane,
+ &ec->base.primary_plane);
wl_list_insert(&ec->sprite_list, &sprite->link);
}
diff --git a/src/compositor.c b/src/compositor.c
index 248d3b4..ebdb5c6 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1097,6 +1097,38 @@ surface_accumulate_damage(struct weston_surface *surface,
}
static void
+compositor_accumulate_damage(struct weston_compositor *ec)
+{
+ struct weston_plane *plane;
+ struct weston_surface *es;
+ pixman_region32_t opaque;
+
+ pixman_region32_init(&opaque);
+
+ wl_list_for_each(plane, &ec->plane_list, link) {
+ pixman_region32_fini(&plane->opaque);
+ pixman_region32_init(&plane->opaque);
+ }
+
+ wl_list_for_each(es, &ec->surface_list, link) {
+ surface_accumulate_damage(es, &opaque);
+
+ /* Both the renderer and the backend have seen the buffer
+ * by now. If renderer needs the buffer, it has its own
+ * reference set. If the backend wants to keep the buffer
+ * around for migrating the surface into a non-primary plane
+ * later, keep_buffer is true. Otherwise, drop the core
+ * reference now, and allow early buffer release. This enables
+ * clients to use single-buffering.
+ */
+ if (!es->keep_buffer)
+ weston_buffer_reference(&es->buffer_ref, NULL);
+ }
+
+ pixman_region32_fini(&opaque);
+}
+
+static void
weston_output_repaint(struct weston_output *output, uint32_t msecs)
{
struct weston_compositor *ec = output->compositor;
@@ -1105,7 +1137,7 @@ weston_output_repaint(struct weston_output *output, uint32_t msecs)
struct weston_animation *animation, *next;
struct weston_frame_callback *cb, *cnext;
struct wl_list frame_callback_list;
- pixman_region32_t opaque, output_damage;
+ pixman_region32_t output_damage;
weston_compositor_update_drag_surfaces(ec);
@@ -1130,27 +1162,7 @@ weston_output_repaint(struct weston_output *output, uint32_t msecs)
wl_list_for_each(es, &ec->surface_list, link)
weston_surface_move_to_plane(es, &ec->primary_plane);
- pixman_region32_init(&opaque);
-
- pixman_region32_fini(&ec->primary_plane.opaque);
- pixman_region32_init(&ec->primary_plane.opaque);
-
- wl_list_for_each(es, &ec->surface_list, link) {
- surface_accumulate_damage(es, &opaque);
-
- /* Both the renderer and the backend have seen the buffer
- * by now. If renderer needs the buffer, it has its own
- * reference set. If the backend wants to keep the buffer
- * around for migrating the surface into a non-primary plane
- * later, keep_buffer is true. Otherwise, drop the core
- * reference now, and allow early buffer release. This enables
- * clients to use single-buffering.
- */
- if (!es->keep_buffer)
- weston_buffer_reference(&es->buffer_ref, NULL);
- }
-
- pixman_region32_fini(&opaque);
+ compositor_accumulate_damage(ec);
pixman_region32_init(&output_damage);
pixman_region32_intersect(&output_damage,
@@ -1669,6 +1681,17 @@ weston_plane_release(struct weston_plane *plane)
pixman_region32_fini(&plane->opaque);
}
+WL_EXPORT void
+weston_compositor_stack_plane(struct weston_compositor *ec,
+ struct weston_plane *plane,
+ struct weston_plane *above)
+{
+ if (above)
+ wl_list_insert(above->link.prev, &plane->link);
+ else
+ wl_list_insert(&ec->plane_list, &plane->link);
+}
+
static void
weston_seat_update_drag_surface(struct weston_seat *seat, int dx, int dy);
@@ -3056,6 +3079,7 @@ weston_compositor_init(struct weston_compositor *ec,
return -1;
wl_list_init(&ec->surface_list);
+ wl_list_init(&ec->plane_list);
wl_list_init(&ec->layer_list);
wl_list_init(&ec->seat_list);
wl_list_init(&ec->output_list);
@@ -3065,6 +3089,7 @@ weston_compositor_init(struct weston_compositor *ec,
wl_list_init(&ec->debug_binding_list);
weston_plane_init(&ec->primary_plane, 0, 0);
+ weston_compositor_stack_plane(ec, &ec->primary_plane, NULL);
if (weston_compositor_xkb_init(ec, &xkb_names) < 0)
return -1;
diff --git a/src/compositor.h b/src/compositor.h
index 4a0c1e3..89f0639 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -269,6 +269,7 @@ struct weston_plane {
pixman_region32_t damage;
pixman_region32_t opaque;
int32_t x, y;
+ struct wl_list link;
};
struct weston_renderer {
@@ -314,6 +315,7 @@ struct weston_compositor {
struct wl_list seat_list;
struct wl_list layer_list;
struct wl_list surface_list;
+ struct wl_list plane_list;
struct wl_list key_binding_list;
struct wl_list button_binding_list;
struct wl_list axis_binding_list;
@@ -577,6 +579,11 @@ void
weston_plane_release(struct weston_plane *plane);
void
+weston_compositor_stack_plane(struct weston_compositor *ec,
+ struct weston_plane *plane,
+ struct weston_plane *above);
+
+void
weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
void
weston_output_schedule_repaint(struct weston_output *output);
--
1.7.10.4
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