[maemo-commits] [maemo-commits] r19432 - in projects/haf/trunk/clutter0.8: clutter debian
From: subversion at stage.maemo.org subversion at stage.maemo.orgDate: Tue Oct 13 17:19:00 EEST 2009
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Author: gw
Date: 2009-10-13 17:18:48 +0300 (Tue, 13 Oct 2009)
New Revision: 19432
Modified:
projects/haf/trunk/clutter0.8/clutter/clutter-actor.c
projects/haf/trunk/clutter0.8/debian/changelog
Log:
* clutter/clutter-actor.h: Make visibility detection work off of the viewport
size rather than the stage size - which fixes problems when rendering to an
FBO.
Modified: projects/haf/trunk/clutter0.8/clutter/clutter-actor.c
===================================================================
--- projects/haf/trunk/clutter0.8/clutter/clutter-actor.c 2009-10-13 09:24:16 UTC (rev 19431)
+++ projects/haf/trunk/clutter0.8/clutter/clutter-actor.c 2009-10-13 14:18:48 UTC (rev 19432)
@@ -7585,103 +7585,97 @@
*/
static gboolean clutter_actor_is_on_stage(ClutterActor *self)
{
- ClutterActor *stage;
ClutterActorPrivate *priv;
+ ClutterVertex verts[4];
+ ClutterActorBox actor_box, stage_box;
+ ClutterActorBox *box = &self->priv->allocation;
+ gboolean visible = FALSE;
+ ClutterFixed mtx[16];
+ ClutterFixed mtx_p[16];
+ ClutterFixed v[4];
+ int i;
- /* check to see if the vertices (in stage coordinates)
- * are on the stage or not. Create a box from them and
- * the stage, and check if the elements are inside or not. */
+ /* check to see if the vertices (in stage coordinates)
+ * are on the stage or not. Create a box from them and
+ * the stage, and check if the elements are inside or not. */
if (!CLUTTER_IS_ACTOR (self)) return TRUE;
priv = CLUTTER_ACTOR_GET_PRIVATE(self);
if (!priv->visibility_detect) return TRUE;
- if ((stage = clutter_actor_get_stage (self)) != NULL)
- {
- ClutterVertex verts[4];
- ClutterActorBox actor_box, stage_box;
- ClutterActorBox *box = &self->priv->allocation;
- gboolean visible = FALSE;
- ClutterFixed mtx[16];
- ClutterFixed mtx_p[16];
- ClutterFixed v[4];
- int i;
+ /* TODO: move this code back to clutter_actor_get_abs_allocation_vertices
+ * because it's just way tidier + less duplication */
- /* TODO: move this code back to clutter_actor_get_abs_allocation_vertices
- * because it's just way tidier + less duplication */
+ cogl_get_modelview_matrix (mtx);
+ cogl_get_projection_matrix (mtx_p);
+ cogl_get_viewport (v);
- cogl_get_modelview_matrix (mtx);
- cogl_get_projection_matrix (mtx_p);
- cogl_get_viewport (v);
+ verts[0].x = 0;
+ verts[0].y = 0;
+ verts[0].z = 0;
+ verts[1].x = box->x2 - box->x1;
+ verts[1].y = 0;
+ verts[1].z = 0;
+ verts[2].x = 0;
+ verts[2].y = box->y2 - box->y1;
+ verts[2].z = 0;
+ verts[3].x = box->x2 - box->x1;
+ verts[3].y = box->y2 - box->y1;
+ verts[3].z = 0;
- verts[0].x = 0;
- verts[0].y = 0;
- verts[0].z = 0;
- verts[1].x = box->x2 - box->x1;
- verts[1].y = 0;
- verts[1].z = 0;
- verts[2].x = 0;
- verts[2].y = box->y2 - box->y1;
- verts[2].z = 0;
- verts[3].x = box->x2 - box->x1;
- verts[3].y = box->y2 - box->y1;
- verts[3].z = 0;
+ for (i=0;i<4;i++)
+ verts[i] = cogl_util_unproject(mtx, mtx_p, v, verts[i]);
- for (i=0;i<4;i++)
- verts[i] = cogl_util_unproject(mtx, mtx_p, v, verts[i]);
+ clutter_actor_get_box_from_vertices(verts, &actor_box);
- clutter_actor_get_box_from_vertices(verts, &actor_box);
+ /* If we have scissor testing enabled, things outside the scissor
+ * box won't be drawn anyway, so use the box rather than the stage
+ * to allow us to clip even more stuff out */
- /* If we have scissor testing enabled, things outside the scissor
- * box won't be drawn anyway, so use the box rather than the stage
- * to allow us to clip even more stuff out */
+ if (glIsEnabled (GL_SCISSOR_TEST))
+ {
+ GLint scissor_box[4];
+ /* for some reason the scissor box is inverted wrt what we calculate */
+ glGetIntegerv (GL_SCISSOR_BOX, scissor_box);
+ stage_box.x1 = CLUTTER_UNITS_FROM_INT(scissor_box[0]);
+ stage_box.y1 = CLUTTER_UNITS_FROM_INT(scissor_box[1]);
+ stage_box.x2 = CLUTTER_UNITS_FROM_INT(scissor_box[0]+scissor_box[2]);
+ stage_box.y2 = CLUTTER_UNITS_FROM_INT(scissor_box[1]+scissor_box[3]);
+ }
+ else
+ {
+ /* FIXME: If rendering to an FBO, the width and height will be
+ * wrong here */
+ stage_box.x1 = CLUTTER_UNITS_FROM_INT(0);
+ stage_box.y1 = CLUTTER_UNITS_FROM_INT(0);
+ stage_box.x2 = v[2];
+ stage_box.y2 = v[3];
+ }
- if (glIsEnabled (GL_SCISSOR_TEST))
- {
- GLint scissor_box[4];
- /* for some reason the scissor box is inverted wrt what we calculate */
- glGetIntegerv (GL_SCISSOR_BOX, scissor_box);
- stage_box.x1 = CLUTTER_UNITS_FROM_INT(scissor_box[0]);
- stage_box.y1 = CLUTTER_UNITS_FROM_INT(scissor_box[1]);
- stage_box.x2 = CLUTTER_UNITS_FROM_INT(scissor_box[0]+scissor_box[2]);
- stage_box.y2 = CLUTTER_UNITS_FROM_INT(scissor_box[1]+scissor_box[3]);
- }
- else
- {
- stage_box.x1 = CLUTTER_UNITS_FROM_INT(0);
- stage_box.y1 = CLUTTER_UNITS_FROM_INT(0);
- stage_box.x2 = clutter_actor_get_widthu( stage );
- stage_box.y2 = clutter_actor_get_heightu( stage );
- }
+ visible = actor_box.x1<=stage_box.x2 && actor_box.x2>=stage_box.x1 &&
+ actor_box.y1<=stage_box.y2 && actor_box.y2>=stage_box.y1;
- visible = actor_box.x1<=stage_box.x2 && actor_box.x2>=stage_box.x1 &&
- actor_box.y1<=stage_box.y2 && actor_box.y2>=stage_box.y1;
+ /*if (visible == 0) {
+ int d = clutter_actor_get_depth(self);
+ int px,py;
+ guint sx,sy;
+ clutter_actor_get_position(self, &px, &py);
+ clutter_actor_get_size(self, &sx, &sy);
+ g_debug("%d %d %d %d [%d,%d,%d,%d, %d] --- %d %d %d %d %d",
+ CLUTTER_UNITS_TO_INT(actor_box.x1),
+ CLUTTER_UNITS_TO_INT(actor_box.y1),
+ CLUTTER_UNITS_TO_INT(actor_box.x2),
+ CLUTTER_UNITS_TO_INT(actor_box.y2),
+ px, py, px+sx, py+sy, d,
+ CLUTTER_UNITS_TO_INT(stage_box.x1),
+ CLUTTER_UNITS_TO_INT(stage_box.y1),
+ CLUTTER_UNITS_TO_INT(stage_box.x2),
+ CLUTTER_UNITS_TO_INT(stage_box.y2),
+ visible);
+ }*/
- /*if (visible == 0) {
- int d = clutter_actor_get_depth(self);
- int px,py;
- guint sx,sy;
- clutter_actor_get_position(self, &px, &py);
- clutter_actor_get_size(self, &sx, &sy);
- g_debug("%d %d %d %d [%d,%d,%d,%d, %d] --- %d %d %d %d %d",
- CLUTTER_UNITS_TO_INT(actor_box.x1),
- CLUTTER_UNITS_TO_INT(actor_box.y1),
- CLUTTER_UNITS_TO_INT(actor_box.x2),
- CLUTTER_UNITS_TO_INT(actor_box.y2),
- px, py, px+sx, py+sy, d,
- CLUTTER_UNITS_TO_INT(stage_box.x1),
- CLUTTER_UNITS_TO_INT(stage_box.y1),
- CLUTTER_UNITS_TO_INT(stage_box.x2),
- CLUTTER_UNITS_TO_INT(stage_box.y2),
- visible);
- }*/
-
- return visible;
- }
-
- /* we are unable to tell, so just play safe */
- return TRUE;
+ return visible;
}
/**
Modified: projects/haf/trunk/clutter0.8/debian/changelog
===================================================================
--- projects/haf/trunk/clutter0.8/debian/changelog 2009-10-13 09:24:16 UTC (rev 19431)
+++ projects/haf/trunk/clutter0.8/debian/changelog 2009-10-13 14:18:48 UTC (rev 19432)
@@ -1,6 +1,9 @@
clutter (0.8.2-0maemo54~unreleased) unstable; urgency=low
- * foo
+ Gordon:
+ * clutter/clutter-actor.c: Make visibility detection work off of the viewport
+ size rather than the stage size - which fixes problems when rendering to an
+ FBO.
-- Kimmo Hämäläinen <kimmo.hamalainen at nokia.com> Wed, 7 Oct 2009 15:08:00 +0300
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