Bool group_2d_cache_traverse(GF_Node *node, GroupingNode2D *group, GF_TraverseState *tr_state) { Bool is_dirty = gf_node_dirty_get(node) & GF_SG_CHILD_DIRTY; Bool zoom_changed = tr_state->visual->compositor->zoom_changed; Bool needs_recompute = 0; /*we are currently in a group cache, regular traversing*/ if (tr_state->in_group_cache) return 0; /*draw mode*/ if (tr_state->traversing_mode == TRAVERSE_DRAW_2D) { /*shall never happen*/ assert(group->cache); /*draw it*/ group_cache_draw(group->cache, tr_state); return 1; } /*other modes than sorting, use regular traversing*/ if (tr_state->traversing_mode != TRAVERSE_SORT) return 0; /*this is not an offscreen group*/ if (!(group->flags & GROUP_IS_CACHED) ) { Bool cache_on = 0; /*group cache has been turned on in the previous frame*/ if (!is_dirty && (group->flags & GROUP_IS_CACHABLE)) { group->flags |= GROUP_IS_CACHED; group->flags &= ~GROUP_IS_CACHABLE; GF_LOG(GF_LOG_DEBUG, GF_LOG_CACHE, ("[CACHE] Turning group %s cache on - size %d\n", gf_node_get_log_name(node), group->cached_size )); cache_on = 1; } /*group cache has been turned off in the previous frame*/ else if (group->cache) { group_cache_del(group->cache); group->cache = NULL; group->changed = is_dirty; group->nb_stats_frame = 0; group->traverse_time = 0; GF_LOG(GF_LOG_DEBUG, GF_LOG_CACHE, ("[CACHE] Turning group %s cache off\n", gf_node_get_log_name(node) )); return 0; } if (!cache_on) { if (is_dirty) { group->changed = 1; } /*ask for stats again*/ else if (group->changed) { group->changed = 0; group->nb_stats_frame = 0; group->traverse_time = 0; } else if (zoom_changed) { group->nb_stats_frame = 0; group->traverse_time = 0; } if (is_dirty || (group->nb_stats_frame < NUM_STATS_FRAMES)) { /*force direct draw mode*/ if (!is_dirty) tr_state->visual->compositor->traverse_state->invalidate_all = 1; /*force redraw*/ tr_state->visual->compositor->draw_next_frame = 1; } return 0; } } /*cache is dirty*/ else if (is_dirty) { /*permanent cache, just recompute*/ if (group->flags & GROUP_PERMANENT_CACHE) { group->changed = 1; group->cache->force_recompute = 1; } /*otherwise destroy the cache*/ else if (group->cache) { gf_cache_remove_entry(tr_state->visual->compositor, node, group); group_cache_del(group->cache); group->cache = NULL; group->flags &= ~GROUP_IS_CACHED; group->changed = 0; group->nb_stats_frame = 0; group->traverse_time = 0; GF_LOG(GF_LOG_DEBUG, GF_LOG_CACHE, ("[CACHE] Turning group %s cache off due to sub-tree modifications\n", gf_node_get_log_name(node) )); return 0; } } /*zoom has changed*/ else if (zoom_changed) { /*permanent cache, just recompute*/ if (group->flags & GROUP_PERMANENT_CACHE) { group->changed = 1; group->cache->force_recompute = 1; } /*otherwise check if we accept this scale ratio or if we must recompute*/ else if (group->cache) { Fixed scale = MAX(tr_state->transform.m[0], tr_state->transform.m[4]); if (100*scale >= group->cache->scale*(100 + tr_state->visual->compositor->cache_tolerance)) zoom_changed = 1; else if ((100+tr_state->visual->compositor->cache_tolerance)*scale <= 100*group->cache->scale) zoom_changed = 1; else zoom_changed = 0; if (zoom_changed) { gf_cache_remove_entry(tr_state->visual->compositor, node, group); group_cache_del(group->cache); group->cache = NULL; group->flags &= ~GROUP_IS_CACHED; group->changed = 0; group->nb_stats_frame = 0; group->traverse_time = 0; GF_LOG(GF_LOG_DEBUG, GF_LOG_CACHE, ("[CACHE] Turning group %s cache off due to zoom changes\n", gf_node_get_log_name(node) )); return 0; } } } /*keep track of this cache object for later removal*/ if (!(group->flags & GROUP_PERMANENT_CACHE)) gf_list_add(tr_state->visual->compositor->cached_groups_queue, group); if (!group->cache) { /*ALLOCATE THE CACHE*/ group->cache = group_cache_new(tr_state->visual->compositor, node); needs_recompute = 1; } /*cache has been modified due to node changes, reset stats*/ group_cache_traverse(node, group->cache, tr_state, needs_recompute, 1, 0); return 1; }
static void TraverseOffscreenGroup(GF_Node *node, void *rs, Bool is_destroy) { OffscreenGroupStack *stack = (OffscreenGroupStack *)gf_node_get_private(node); GF_TraverseState *tr_state = (GF_TraverseState *) rs; if (is_destroy) { if (stack->cache) group_cache_del(stack->cache); gf_free(stack); return; } if (tr_state->traversing_mode==TRAVERSE_SORT) { if (!stack->detached && (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY)) { OffscreenGroup_GetNode(node, &stack->og); if (stack->og.offscreen) { stack->flags |= GROUP_IS_CACHED | GROUP_PERMANENT_CACHE; if (!stack->cache) { stack->cache = group_cache_new(tr_state->visual->compositor, (GF_Node*)&stack->og); } stack->cache->opacity = stack->og.opacity; stack->cache->drawable->flags |= DRAWABLE_HAS_CHANGED; } else { if (stack->cache) group_cache_del(stack->cache); stack->cache = NULL; stack->flags &= ~(GROUP_IS_CACHED|GROUP_PERMANENT_CACHE); } gf_node_dirty_clear(node, GF_SG_NODE_DIRTY); /*flag is not set for PROTO*/ gf_node_dirty_set(node, GF_SG_CHILD_DIRTY, 0); } if (stack->cache) { if (stack->detached) gf_node_dirty_clear(node, GF_SG_CHILD_DIRTY); tr_state->subscene_not_over = 0; group_cache_traverse((GF_Node *)&stack->og, stack->cache, tr_state, stack->cache->force_recompute, 1, stack->detached ? 1 : 0); if (gf_node_dirty_get(node)) { gf_node_dirty_clear(node, GF_SG_CHILD_DIRTY); } else if ((stack->og.offscreen==2) && !stack->detached && !tr_state->subscene_not_over && stack->cache->txh.width && stack->cache->txh.height) { GF_FieldInfo field; if (gf_node_get_field(node, 0, &field) == GF_OK) { gf_node_unregister_children(node, *(GF_ChildNodeItem **) field.far_ptr); *(GF_ChildNodeItem **) field.far_ptr = NULL; stack->detached = 1; } if (gf_node_get_field(node, 3, &field) == GF_OK) { *(SFBool *) field.far_ptr = 1; //gf_node_event_out(node, 3); } } } else { group_2d_traverse((GF_Node *)&stack->og, (GroupingNode2D*)stack, tr_state); } } /*draw mode*/ else if (stack->cache && (tr_state->traversing_mode == TRAVERSE_DRAW_2D)) { /*draw it*/ group_cache_draw(stack->cache, tr_state); gf_node_dirty_clear(node, GF_SG_CHILD_DIRTY); } else if (!stack->detached) { group_2d_traverse((GF_Node *)&stack->og, (GroupingNode2D*)stack, tr_state); } else { if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) { tr_state->bounds = stack->bounds; } else if (tr_state->traversing_mode == TRAVERSE_PICK) { vrml_drawable_pick(stack->cache->drawable, tr_state); } } }
static void svg_traverse_g(GF_Node *node, void *rs, Bool is_destroy) { GF_Matrix2D backup_matrix; GF_Matrix mx_3d; SVGPropertiesPointers backup_props; u32 backup_flags; u32 styling_size = sizeof(SVGPropertiesPointers); GF_TraverseState *tr_state = (GF_TraverseState *) rs; SVGAllAttributes all_atts; if (is_destroy) { SVGgStack *group = gf_node_get_private(node); #ifdef GF_SR_USE_VIDEO_CACHE group_2d_destroy_svg(node, group); #else if (group->cache) group_cache_del(group->cache); #endif gf_free(group); gf_sc_check_focus_upon_destroy(node); return; } /*group cache traverse routine*/ else if (tr_state->traversing_mode == TRAVERSE_DRAW_2D) { SVGgStack *group = gf_node_get_private(node); group_cache_draw(group->cache, tr_state); return; } gf_svg_flatten_attributes((SVG_Element *)node, &all_atts); if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags)) return; if (compositor_svg_is_display_off(tr_state->svg_props)) { /* u32 prev_flags = tr_state->switched_off; tr_state->switched_off = 1; compositor_svg_traverse_children(((SVG_Element *)node)->children, tr_state); tr_state->switched_off = prev_flags;*/ memcpy(tr_state->svg_props, &backup_props, styling_size); tr_state->svg_flags = backup_flags; return; } compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &mx_3d); if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) { gf_sc_get_nodes_bounds(node, ((SVG_Element *)node)->children, tr_state, NULL); } else if (tr_state->traversing_mode == TRAVERSE_SORT) { #ifdef GF_SR_USE_DEPTH Fixed scale, offset, dscale, doffset; #endif Fixed opacity = FIX_ONE; Bool clear = 0; SVGgStack *group; if (!tr_state->in_svg_filter && all_atts.filter && all_atts.filter->iri.target) { svg_draw_filter(all_atts.filter->iri.target, node, tr_state); return; } group = gf_node_get_private(node); if (tr_state->parent_use_opacity) { opacity = tr_state->parent_use_opacity->value; tr_state->parent_use_opacity = NULL; } if (all_atts.opacity) { opacity = gf_mulfix(opacity, all_atts.opacity->value); } if (gf_node_dirty_get(node)&GF_SG_CHILD_DIRTY) { drawable_reset_group_highlight(tr_state, node); clear=1; } #ifdef GF_SR_USE_DEPTH dscale = FIX_ONE; doffset=0; if (all_atts.gpac_depthGain && all_atts.gpac_depthGain->type==SVG_NUMBER_VALUE) dscale = all_atts.gpac_depthGain->value; if (all_atts.gpac_depthOffset && all_atts.gpac_depthOffset->type==SVG_NUMBER_VALUE) doffset = all_atts.gpac_depthOffset->value; scale = tr_state->depth_gain; offset = tr_state->depth_offset; // new offset is multiplied by parent gain and added to parent offset tr_state->depth_offset = gf_mulfix(doffset, scale) + offset; // gain is multiplied by parent gain tr_state->depth_gain = gf_mulfix(scale, dscale); #endif if (opacity < FIX_ONE) { if (!group->cache) { group->cache = group_cache_new(tr_state->visual->compositor, node); group->cache->force_recompute = 1; } group->cache->opacity = opacity; if (tr_state->visual->compositor->zoom_changed) group->cache->force_recompute = 1; group->flags |= GROUP_IS_CACHED | GROUP_PERMANENT_CACHE; #ifdef GF_SR_USE_VIDEO_CACHE group_2d_cache_traverse(node, group, tr_state); #else group_cache_traverse(node, group->cache, tr_state, group->cache->force_recompute, 0, 0); #endif } else { #ifdef GF_SR_USE_VIDEO_CACHE Bool group_cached; group_cached = group_2d_cache_traverse(node, group, tr_state); gf_node_dirty_clear(node, GF_SG_CHILD_DIRTY); /*group is not cached, traverse the children*/ if (!group_cached) { GF_ChildNodeItem *child; DrawableContext *first_ctx = tr_state->visual->cur_context; u32 cache_too_small = 0; Bool skip_first_ctx = (first_ctx && first_ctx->drawable) ? 1 : 0; u32 traverse_time = gf_sys_clock(); u32 last_cache_idx = gf_list_count(tr_state->visual->compositor->cached_groups_queue); tr_state->cache_too_small = 0; child = ((GF_ParentNode *)node)->children; while (child) { gf_node_traverse(child->node, tr_state); child = child->next; if (tr_state->cache_too_small) cache_too_small++; } if (cache_too_small) { tr_state->cache_too_small = 1; } else { /*get the traversal time for each group*/ traverse_time = gf_sys_clock() - traverse_time; group->traverse_time += traverse_time; /*record the traversal information and turn cache on if possible*/ group_2d_cache_evaluate(node, group, tr_state, first_ctx, skip_first_ctx, last_cache_idx); } } #else compositor_svg_traverse_children(((SVG_Element *)node)->children, tr_state); #endif } if (clear) gf_node_dirty_clear(node, 0); drawable_check_focus_highlight(node, tr_state, NULL); #ifdef GF_SR_USE_DEPTH tr_state->depth_gain = scale; tr_state->depth_offset = offset; #endif } else { compositor_svg_traverse_children(((SVG_Element *)node)->children, tr_state); } compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &mx_3d); memcpy(tr_state->svg_props, &backup_props, styling_size); tr_state->svg_flags = backup_flags; }