static void DestroyLayer3D(GF_Node *node)
{
Layer3DStack *st = (Layer3DStack *) gf_node_get_private(node);
GF_Compositor *compositor = st->visual->compositor;
drawable_del(st->drawable);
#ifdef GPAC_USE_TINYGL
if (st->tgl_ctx) ostgl_delete_context(st->tgl_ctx);
#endif
if (st->txh.data) gf_free(st->txh.data);
/*destroy texture*/
gf_sc_texture_destroy(&st->txh);
BindableStackDelete(st->visual->back_stack);
st->visual->back_stack = NULL;
BindableStackDelete(st->visual->view_stack);
st->visual->view_stack = NULL;
BindableStackDelete(st->visual->navigation_stack);
st->visual->navigation_stack = NULL;
BindableStackDelete(st->visual->fog_stack);
st->visual->fog_stack = NULL;
visual_del(st->visual);
if (compositor && compositor->active_layer == node) compositor->active_layer = NULL;
gf_free(st);
}
void visual_del(GF_VisualManager *visual)
{
ra_del(&visual->to_redraw);
if (visual->raster_surface) visual->compositor->rasterizer->surface_delete(visual->raster_surface);
visual->raster_surface = NULL;
if (visual->raster_brush) visual->compositor->rasterizer->stencil_delete(visual->raster_brush);
visual->raster_brush = NULL;
while (visual->context) {
DrawableContext *ctx = visual->context;
visual->context = ctx->next;
DeleteDrawableContext(ctx);
}
while (visual->prev_nodes) {
struct _drawable_store *cur = visual->prev_nodes;
visual->prev_nodes = cur->next;
gf_free(cur);
}
#ifndef GPAC_DISABLE_VRML
if (visual->back_stack) BindableStackDelete(visual->back_stack);
if (visual->view_stack) BindableStackDelete(visual->view_stack);
#endif /*GPAC_DISABLE_VRML*/
#ifndef GPAC_DISABLE_3D
visual_3d_reset_graphics(visual);
#ifndef GPAC_DISABLE_VRML
if (visual->navigation_stack) BindableStackDelete(visual->navigation_stack);
if (visual->fog_stack) BindableStackDelete(visual->fog_stack);
#endif /*GPAC_DISABLE_VRML*/
gf_list_del(visual->alpha_nodes_to_draw);
#endif
gf_free(visual);
}
static void TraverseLayer2D(GF_Node *node, void *rs, Bool is_destroy)
{
GF_List *oldb, *oldv;
GF_Node *viewport;
GF_Node *back;
Bool prev_layer;
GF_Matrix2D backup;
GF_IRect prev_clip;
GF_Rect rc;
SFVec2f prev_vp;
#ifndef GPAC_DISABLE_3D
GF_Matrix mx3d, prev_layer_mx;
GF_List *oldf, *oldn;
GF_List *node_list_backup;
GF_Rect prev_clipper;
Bool had_clip;
#endif
M_Layer2D *l = (M_Layer2D *)node;
Layer2DStack *st = (Layer2DStack *) gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *) rs;
if (is_destroy) {
BindableStackDelete(st->backs);
BindableStackDelete(st->views);
group_2d_destroy(node, (GroupingNode2D*)st);
gf_free(st);
return;
}
/*layers can only be used in a 2D context*/
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d && tr_state->camera->is_3D) return;
#endif
/*layer2D maintains its own stacks*/
oldb = tr_state->backgrounds;
oldv = tr_state->viewpoints;
tr_state->backgrounds = st->backs;
tr_state->viewpoints = st->views;
prev_layer = tr_state->is_layer;
tr_state->is_layer = 1;
#ifndef GPAC_DISABLE_3D
oldf = tr_state->fogs;
oldn = tr_state->navigations;
tr_state->fogs = tr_state->navigations = NULL;
#endif
l2d_CheckBindables(node, tr_state, st->first);
back = (GF_Node*)gf_list_get(st->backs, 0);
viewport = (GF_Node*)gf_list_get(st->views, 0);
if ((tr_state->traversing_mode == TRAVERSE_SORT) || (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS)) {
/*override group bounds*/
visual_get_size_info(tr_state, &st->clip.width, &st->clip.height);
/*setup bounds in local coord system*/
if (l->size.x>=0) st->clip.width = l->size.x;
if (l->size.y>=0) st->clip.height = l->size.y;
st->clip = gf_rect_center(st->clip.width, st->clip.height);
st->bounds = st->clip;
}
prev_vp = tr_state->vp_size;
tr_state->vp_size.x = st->clip.width;
tr_state->vp_size.y = st->clip.height;
switch (tr_state->traversing_mode) {
case TRAVERSE_SORT:
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
gf_mx_copy(prev_layer_mx, tr_state->layer_matrix);
tr_state->layer_clipper = compositor_2d_update_clipper(tr_state, st->clip, &had_clip, &prev_clipper, 1);
gf_mx_copy(mx3d, tr_state->model_matrix);
/*setup clipping*/
if (had_clip) {
visual_3d_reset_clipper_2d(tr_state->visual);
}
visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper, &mx3d);
/*apply background BEFORE viewport*/
if (back) {
tr_state->traversing_mode = TRAVERSE_BINDABLE;
gf_bbox_from_rect(&tr_state->bbox, &st->clip);
gf_node_traverse(back, tr_state);
}
/*apply viewport*/
if (viewport) {
tr_state->traversing_mode = TRAVERSE_BINDABLE;
tr_state->bounds = st->clip;
gf_node_traverse(viewport, tr_state);
}
node_list_backup = tr_state->visual->alpha_nodes_to_draw;
tr_state->visual->alpha_nodes_to_draw = gf_list_new();
tr_state->traversing_mode = TRAVERSE_SORT;
/*reset cull flag*/
tr_state->cull_flag = 0;
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
visual_3d_flush_contexts(tr_state->visual, tr_state);
tr_state->traversing_mode = TRAVERSE_SORT;
assert(!gf_list_count(tr_state->visual->alpha_nodes_to_draw));
gf_list_del(tr_state->visual->alpha_nodes_to_draw);
tr_state->visual->alpha_nodes_to_draw = node_list_backup;
gf_mx_copy(tr_state->model_matrix, mx3d);
visual_3d_reset_clipper_2d(tr_state->visual);
tr_state->has_layer_clip = had_clip;
if (had_clip) {
tr_state->layer_clipper = prev_clipper;
gf_mx_copy(tr_state->layer_matrix, prev_layer_mx);
visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper, &prev_layer_mx);
}
} else
#endif
{
gf_mx2d_copy(backup, tr_state->transform);
prev_clip = tr_state->visual->top_clipper;
rc = st->clip;
/*get clipper in world coordinate*/
gf_mx2d_apply_rect(&tr_state->transform, &rc);
if (viewport) {
tr_state->traversing_mode = TRAVERSE_BINDABLE;
tr_state->bounds = st->clip;
gf_node_traverse(viewport, tr_state);
#if VIEWPORT_CLIPS
/*move viewport box in world coordinate*/
gf_mx2d_apply_rect(&backup, &tr_state->bounds);
/*and intersect with layer clipper*/
rect_intersect(&rc, &tr_state->bounds);
#endif
}
rc.x -= FIX_ONE;
rc.width += 2*FIX_ONE;
rc.y += FIX_ONE;
rc.height += 2*FIX_ONE;
tr_state->visual->top_clipper = gf_rect_pixelize(&rc);
gf_irect_intersect(&tr_state->visual->top_clipper, &prev_clip);
tr_state->traversing_mode = TRAVERSE_SORT;
if (tr_state->visual->top_clipper.width && tr_state->visual->top_clipper.height) {
if (back && Bindable_GetIsBound(back) ) {
DrawableContext *ctx;
ctx = b2d_get_context((M_Background2D*) back, st->backs);
gf_mx2d_init(ctx->transform);
ctx->bi->clip = tr_state->visual->top_clipper;
ctx->bi->unclip = rc;
if (tr_state->immediate_draw) {
tr_state->ctx = ctx;
tr_state->traversing_mode = TRAVERSE_DRAW_2D;
gf_node_traverse(back, tr_state);
tr_state->traversing_mode = TRAVERSE_SORT;
tr_state->ctx = NULL;
} else {
DrawableContext *back_ctx = visual_2d_get_drawable_context(tr_state->visual);
gf_node_traverse(back, tr_state);
back_ctx->flags = ctx->flags;
back_ctx->flags &= ~CTX_IS_TRANSPARENT;
back_ctx->flags |= CTX_IS_BACKGROUND;
back_ctx->aspect = ctx->aspect;
back_ctx->drawable = ctx->drawable;
drawable_check_bounds(back_ctx, tr_state->visual);
back_ctx->bi->clip = ctx->bi->clip;
back_ctx->bi->unclip = ctx->bi->unclip;
}
/*keep track of node drawn*/
if (!(ctx->drawable->flags & DRAWABLE_REGISTERED_WITH_VISUAL) ) {
struct _drawable_store *it;
GF_SAFEALLOC(it, struct _drawable_store);
it->drawable = ctx->drawable;
if (tr_state->visual->last_prev_entry) {
tr_state->visual->last_prev_entry->next = it;
tr_state->visual->last_prev_entry = it;
} else {
tr_state->visual->prev_nodes = tr_state->visual->last_prev_entry = it;
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Layer2D] Registering new drawn node %s on visual\n", gf_node_get_class_name(it->drawable->node)));
ctx->drawable->flags |= DRAWABLE_REGISTERED_WITH_VISUAL;
}
}
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
}
tr_state->visual->top_clipper = prev_clip;
gf_mx2d_copy(tr_state->transform, backup);
}
break;
/*check picking - we must fall in our 2D clipper*/
case TRAVERSE_PICK:
if (gf_sc_pick_in_clipper(tr_state, &st->clip)) {
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
/*apply viewport*/
if (viewport) {
gf_mx_copy(mx3d, tr_state->model_matrix);
tr_state->traversing_mode = TRAVERSE_BINDABLE;
tr_state->bounds = st->clip;
gf_node_traverse(viewport, tr_state);
tr_state->traversing_mode = TRAVERSE_PICK;
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
gf_mx_copy(tr_state->model_matrix, mx3d);
} else {
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
}
} else
#endif
{
if (viewport) {
gf_mx2d_copy(backup, tr_state->transform);
tr_state->traversing_mode = TRAVERSE_BINDABLE;
tr_state->bounds = st->clip;
gf_node_traverse(viewport, tr_state);
tr_state->traversing_mode = TRAVERSE_PICK;
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
gf_mx2d_copy(tr_state->transform, backup);
} else {
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
}
}
}
break;
case TRAVERSE_GET_BOUNDS:
if (tr_state->for_node) {
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
} else {
tr_state->bounds = st->clip;
#ifndef GPAC_DISABLE_3D
gf_bbox_from_rect(&tr_state->bbox, &st->clip);
#endif
}
break;
case TRAVERSE_DRAW_2D:
group_2d_traverse(node, (GroupingNode2D *)st, tr_state);
break;
#ifndef GPAC_DISABLE_3D
/*drawing a layer means drawing all sub-elements as a whole (no depth sorting with parents)*/
case TRAVERSE_DRAW_3D:
assert(0);
break;
#endif
}
/*restore traversing state*/
tr_state->vp_size = prev_vp;
tr_state->backgrounds = oldb;
tr_state->viewpoints = oldv;
tr_state->is_layer = prev_layer;
#ifndef GPAC_DISABLE_3D
tr_state->fogs = oldf;
tr_state->navigations = oldn;
#endif
/*in case we missed bindables*/
if (st->first) {
st->first = 0;
gf_sc_invalidate(tr_state->visual->compositor, NULL);
}
}