Example #1
0
void compositor_svg_apply_local_transformation(GF_TraverseState *tr_state, SVGAllAttributes *atts, GF_Matrix2D *backup_matrix_2d, GF_Matrix *backup_matrix)
{
#ifndef GPAC_DISABLE_3D
	if (tr_state->visual->type_3d && backup_matrix) {
		GF_Matrix tmp;
		Bool is_draw = (tr_state->traversing_mode==TRAVERSE_SORT) ? 1 : 0;
		gf_mx_copy(*backup_matrix, tr_state->model_matrix);

		if (is_draw) visual_3d_matrix_push(tr_state->visual);

		if (atts->transform && atts->transform->is_ref) {
			gf_mx_from_mx2d(&tr_state->model_matrix, &tr_state->vb_transform);
			if (is_draw) {
				GF_Matrix tmp;
				gf_mx_init(tmp);
				gf_mx_add_translation(&tmp, -tr_state->camera->width/2, tr_state->camera->height/2, 0);
				gf_mx_add_scale(&tmp, FIX_ONE, -FIX_ONE, FIX_ONE);
				gf_mx_add_matrix(&tmp, &tr_state->model_matrix);
				visual_3d_matrix_load(tr_state->visual, tmp.m);
			}
		}

		if (atts->motionTransform) {
			if (is_draw) {
				gf_mx_from_mx2d(&tmp, atts->motionTransform);
				visual_3d_matrix_add(tr_state->visual, tmp.m);
			} else {
				gf_mx_add_matrix_2d(&tr_state->model_matrix, atts->motionTransform);
			}
		}

		if (atts->transform) {
			if (is_draw) {
				gf_mx_from_mx2d(&tmp, &atts->transform->mat);
				visual_3d_matrix_add(tr_state->visual, tmp.m);
			} else {
				gf_mx_add_matrix_2d(&tr_state->model_matrix, &atts->transform->mat);
			}
		}
		return;
	} 
#endif
	gf_mx2d_copy(*backup_matrix_2d, tr_state->transform);

	if (atts->transform && atts->transform->is_ref) 
		gf_mx2d_copy(tr_state->transform, tr_state->vb_transform);

	if (atts->motionTransform) 
		gf_mx2d_pre_multiply(&tr_state->transform, atts->motionTransform);

	if (atts->transform) 
		gf_mx2d_pre_multiply(&tr_state->transform, &atts->transform->mat);

}
Example #2
0
static void traverse_transform(GF_Node *node, Transform2DStack *stack, GF_TraverseState *tr_state)
{
	if (stack->is_null) return;

	/*note we don't clear dirty flag, this is done in traversing*/
	if (stack->is_identity) {
		group_2d_traverse(node, (GroupingNode2D *)stack, tr_state);
	} 
#ifndef GPAC_DISABLE_3D
	else if (tr_state->visual->type_3d) {
		GF_Matrix mx_bckup;
		gf_mx_copy(mx_bckup, tr_state->model_matrix);

		gf_mx_add_matrix_2d(&tr_state->model_matrix, &stack->mat);

		if (tr_state->traversing_mode == TRAVERSE_SORT) {
			GF_Matrix tmp;
			gf_mx_from_mx2d(&tmp, &stack->mat);
			visual_3d_matrix_push(tr_state->visual);
			visual_3d_matrix_add(tr_state->visual, tmp.m);
			group_2d_traverse(node, (GroupingNode2D *)stack, tr_state);
			visual_3d_matrix_pop(tr_state->visual);
		} else {
			group_2d_traverse(node, (GroupingNode2D *)stack, tr_state);
		}

		gf_mx_copy(tr_state->model_matrix, mx_bckup);
	} 
#endif
	else {
		GF_Matrix2D bckup;
		gf_mx2d_copy(bckup, tr_state->transform);
		gf_mx2d_pre_multiply(&tr_state->transform, &stack->mat);
		
		group_2d_traverse(node, (GroupingNode2D *)stack, tr_state);

		gf_mx2d_copy(tr_state->transform, bckup);
	}

	if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) {
		gf_mx2d_apply_rect(&stack->mat, &tr_state->bounds);
	}
}
Example #3
0
static void TraverseSpotLight(GF_Node *n, void *rs, Bool is_destroy)
{
	M_SpotLight *sl = (M_SpotLight *)n;
	GF_TraverseState *tr_state = (GF_TraverseState *) rs;

	if (is_destroy) {
		Bool *vis = gf_node_get_private(n);
		gf_free(vis);
		return;
	}
	if (!sl->on) return;

	/*store local bounds for culling*/
	if (tr_state->traversing_mode==TRAVERSE_GET_BOUNDS) {
		GF_BBox b;
		SFVec3f size;
		Bool *visible = gf_node_get_private(n);
		size.x = size.y = size.z = sl->radius;
		gf_vec_add(b.max_edge, sl->location, size);
		gf_vec_diff(b.min_edge, sl->location, size);
		gf_bbox_refresh(&b);
		*visible = visual_3d_node_cull(tr_state, &b, 0);
		/*if visible, disable culling on our parent branch - this is not very efficient but
		we only store one bound per grouping node, and we don't want the lights to interfere with it*/
		if (*visible) tr_state->disable_cull = 1;
		return;
	}
	else if (tr_state->traversing_mode == TRAVERSE_LIGHTING) {
		Bool *visible = gf_node_get_private(n);
		if (*visible) {

			visual_3d_matrix_push(tr_state->visual);
			visual_3d_matrix_add(tr_state->visual, tr_state->model_matrix.m);
			
			visual_3d_add_spot_light(tr_state->visual, sl->ambientIntensity, sl->attenuation, sl->beamWidth, 
						   sl->color, sl->cutOffAngle, sl->direction, sl->intensity, sl->location);
			
			visual_3d_matrix_pop(tr_state->visual);
		}
	}
}
Example #4
0
static void TraversePointLight(GF_Node *n, void *rs, Bool is_destroy)
{
	M_PointLight *pl = (M_PointLight *)n;
	GF_TraverseState *tr_state = (GF_TraverseState *) rs;

	if (is_destroy) {
		Bool *vis = gf_node_get_private(n);
		gf_free(vis);
		return;
	}
	if (!pl->on) return;

	/*store local bounds for culling*/
	if (tr_state->traversing_mode==TRAVERSE_GET_BOUNDS) {
		SFVec3f size;
		GF_BBox b;
		Bool *visible = gf_node_get_private(n);
		size.x = size.y = size.z = pl->radius;
		gf_vec_add(b.max_edge, pl->location, size);
		gf_vec_diff(b.min_edge, pl->location, size);
		gf_bbox_refresh(&b);
		*visible = visual_3d_node_cull(tr_state, &b, 0);
		/*if visible, disable culling on our parent branch*/
		if (*visible) tr_state->disable_cull = 1;
		return;
	}
	else if (tr_state->traversing_mode == TRAVERSE_LIGHTING) {
		Bool *visible = gf_node_get_private(n);
		if (*visible) {
			visual_3d_matrix_push(tr_state->visual);
			visual_3d_matrix_add(tr_state->visual, tr_state->model_matrix.m);

			visual_3d_add_point_light(tr_state->visual, pl->ambientIntensity, pl->attenuation, pl->color, 
						pl->intensity, pl->location);

			visual_3d_matrix_pop(tr_state->visual);
		}
	}
}
Example #5
0
static void DrawBackground2D_3D(M_Background2D *bck, Background2DStack *st, GF_TraverseState *tr_state)
{
	GF_Matrix mx;
	Bool use_texture;

	use_texture = back_texture_enabled(bck, &st->txh);

	visual_3d_set_background_state(tr_state->visual, 1);

	visual_3d_matrix_push(tr_state->visual);

/*	visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_TEXTURE);
	gf_sc_texture_get_transform(&st->txh, NULL, &mx, 0);
	visual_3d_matrix_load(tr_state->visual, mx.m);
*/	
	visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_MODELVIEW);

	/*little opt: if we clear the main visual clear it entirely */
	if (! tr_state->is_layer) {
		visual_3d_clear(tr_state->visual, bck->backColor, FIX_ONE);
		if (!use_texture) {
			visual_3d_matrix_pop(tr_state->visual);
			visual_3d_set_background_state(tr_state->visual, 0);
			return;
		}
		/*we need a hack here because main vp is always traversed before main background, and in the case of a
		2D viewport it modifies the modelview matrix, which we don't want ...*/
		visual_3d_matrix_reset(tr_state->visual);
	}
	if (!use_texture || (!tr_state->is_layer && st->txh.transparent) ) visual_3d_set_material_2d(tr_state->visual, bck->backColor, FIX_ONE);
	if (use_texture) {
		visual_3d_set_state(tr_state->visual, V3D_STATE_COLOR, ! tr_state->is_layer);
		tr_state->mesh_num_textures = gf_sc_texture_enable(&st->txh, NULL);
		if (!tr_state->mesh_num_textures) visual_3d_set_material_2d(tr_state->visual, bck->backColor, FIX_ONE);
	}

	/*create mesh object if needed*/
	if (!st->mesh) {
		st->mesh = new_mesh();
		mesh_set_vertex(st->mesh, -B2D_PLANE_HSIZE, -B2D_PLANE_HSIZE, 0,  0,  0,  FIX_ONE, 0, 0);
		mesh_set_vertex(st->mesh,  B2D_PLANE_HSIZE, -B2D_PLANE_HSIZE, 0,  0,  0,  FIX_ONE, FIX_ONE, 0);
		mesh_set_vertex(st->mesh,  B2D_PLANE_HSIZE,  B2D_PLANE_HSIZE, 0,  0,  0,  FIX_ONE, FIX_ONE, FIX_ONE);
		mesh_set_vertex(st->mesh, -B2D_PLANE_HSIZE,  B2D_PLANE_HSIZE, 0,  0,  0,  FIX_ONE, 0, FIX_ONE);
		mesh_set_triangle(st->mesh, 0, 1, 2); mesh_set_triangle(st->mesh, 0, 2, 3);
		st->mesh->flags |= MESH_IS_2D;
	}

	gf_mx_init(mx);
	if (tr_state->camera->is_3D) {
		Fixed sx, sy;
		/*reset matrix*/
		visual_3d_matrix_reset(tr_state->visual);
		sx = sy = 2 * gf_mulfix(gf_tan(tr_state->camera->fieldOfView/2), tr_state->camera->z_far);
		if (tr_state->camera->width > tr_state->camera->height) {
			sx = gf_muldiv(sx, tr_state->camera->width, tr_state->camera->height);
		} else {
			sy = gf_muldiv(sy, tr_state->camera->height, tr_state->camera->width);
		}
		gf_mx_add_scale(&mx, sx, sy, FIX_ONE);
#ifdef GPAC_FIXED_POINT
		gf_mx_add_translation(&mx, 0, 0, - (tr_state->camera->z_far/100)*99);
#else
		gf_mx_add_translation(&mx, 0, 0, -0.995f*tr_state->camera->z_far);
#endif
	} else {
		gf_mx_add_scale(&mx, tr_state->bbox.max_edge.x - tr_state->bbox.min_edge.x, 
							tr_state->bbox.max_edge.y - tr_state->bbox.min_edge.y,
							FIX_ONE);
		/*when in layer2D, DON'T MOVE BACKGROUND TO ZFAR*/
		if (!tr_state->is_layer) {
			Fixed tr;
#ifdef GPAC_FIXED_POINT
			tr = -(tr_state->camera->z_far/100)*99;
#else
			tr = -0.999f*tr_state->camera->z_far;
#endif
			if (!tr_state->camera->is_3D) tr = -tr;
			gf_mx_add_translation(&mx, 0, 0, tr);
		}
	}
	visual_3d_matrix_add(tr_state->visual, mx.m);
	visual_3d_mesh_paint(tr_state, st->mesh);
	if (tr_state->mesh_num_textures) {
		gf_sc_texture_disable(&st->txh);
		tr_state->mesh_num_textures = 0;
	}

	visual_3d_matrix_pop(tr_state->visual);
	visual_3d_set_background_state(tr_state->visual, 0);
}
Example #6
0
static void TraverseDepthGroup(GF_Node *node, void *rs, Bool is_destroy)
{
#ifdef GF_SR_USE_DEPTH
    Fixed depth_gain, depth_offset;
#endif

    DepthGroupStack *stack = (DepthGroupStack *)gf_node_get_private(node);
    GF_TraverseState *tr_state = (GF_TraverseState *) rs;

    if (is_destroy) {
        gf_free(stack);
        return;
    }

    if (tr_state->traversing_mode==TRAVERSE_SORT) {
        if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {

            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);
        }
    }
    DepthGroup_GetNode(node, &stack->dg);


#ifdef GF_SR_USE_DEPTH
    depth_gain = tr_state->depth_gain;
    depth_offset = tr_state->depth_offset;

    // new offset is multiplied by parent gain and added to parent offset
    tr_state->depth_offset = gf_mulfix(stack->dg.depth_offset, tr_state->depth_gain) + tr_state->depth_offset;

    // gain is multiplied by parent gain
    tr_state->depth_gain = gf_mulfix(tr_state->depth_gain, stack->dg.depth_gain);
#endif

#ifndef GPAC_DISABLE_3D
    if (tr_state->visual->type_3d) {
        GF_Matrix mx_bckup, mx;

        gf_mx_copy(mx_bckup, tr_state->model_matrix);
        gf_mx_init(mx);
        mx.m[14] = gf_mulfix(stack->dg.depth_offset, tr_state->visual->compositor->depth_gl_scale);
        gf_mx_add_matrix(&tr_state->model_matrix, &mx);

        if (tr_state->traversing_mode == TRAVERSE_SORT) {
            visual_3d_matrix_push(tr_state->visual);
            visual_3d_matrix_add(tr_state->visual, mx.m);

            group_2d_traverse((GF_Node *)&stack->dg, (GroupingNode2D*)stack, tr_state);

            visual_3d_matrix_pop(tr_state->visual);
        } else {
            group_2d_traverse((GF_Node *)&stack->dg, (GroupingNode2D*)stack, tr_state);
        }
        gf_mx_copy(tr_state->model_matrix, mx_bckup);

    } else
#endif
    {

        group_2d_traverse((GF_Node *)&stack->dg, (GroupingNode2D*)stack, tr_state);
    }

#ifdef GF_SR_USE_DEPTH
    tr_state->depth_gain = depth_gain;
    tr_state->depth_offset = depth_offset;
#endif
}
Example #7
0
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;
	SFVec2f prev_vp;

#ifndef GPAC_DISABLE_3D
	GF_Matrix mx3d;
	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) {
		gf_list_del(st->backs);
		gf_list_del(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) {
			tr_state->layer_clipper = compositor_2d_update_clipper(tr_state, st->clip, &had_clip, &prev_clipper, 1);

			visual_3d_matrix_push(tr_state->visual);
			gf_mx_copy(mx3d, tr_state->model_matrix);

			/*setup clipping*/
			visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper);
			
			/*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);
			}

			/*sort all children without transform, and use current transform when flushing contexts*/
			gf_mx_init(tr_state->model_matrix);

			/*apply viewport*/
			if (viewport) {
				tr_state->traversing_mode = TRAVERSE_BINDABLE;
				tr_state->bounds = st->clip;
				gf_node_traverse(viewport, tr_state);
				visual_3d_matrix_add(tr_state->visual, tr_state->model_matrix.m);
			}


			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;

			
			visual_3d_matrix_pop(tr_state->visual);
			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;
				visual_3d_set_clipper_2d(tr_state->visual, tr_state->layer_clipper);
			}
		} else 
#endif
		{
			GF_IRect prev_clip;
			GF_Rect rc;

			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
			}

			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);
	}
}
Example #8
0
void compositor_3d_draw_bitmap(Drawable *stack, DrawAspect2D *asp, GF_TraverseState *tr_state, Fixed width, Fixed height, Fixed bmp_scale_x, Fixed bmp_scale_y)
{
	u8 alpha;
#if !defined(GPAC_USE_OGL_ES) && !defined(GPAC_USE_TINYGL)
	Fixed x, y;
	Fixed sx, sy;
	char *data;
	u32 format;
#endif
	GF_TextureHandler *txh;
	GF_Compositor *compositor = tr_state->visual->compositor;
	Bool use_texture = !compositor->bitmap_use_pixels;

	if (!asp->fill_texture)
		return;
	txh = asp->fill_texture;
	if (!txh || !txh->tx_io || !txh->width || !txh->height)
		return;

	if (((txh->pixelformat==GF_PIXEL_RGBD) || (txh->pixelformat==GF_PIXEL_YUVD))) {
		if (compositor->depth_gl_type) {
			if (txh->data && gf_sc_texture_convert(txh) )
				visual_3d_point_sprite(tr_state->visual, stack, txh, tr_state);
			return;
		} else {
			use_texture = 1;
		}
	}

	alpha = GF_COL_A(asp->fill_color);
	/*THIS IS A HACK, will not work when setting filled=0, transparency and XLineProps*/
	if (!alpha) alpha = GF_COL_A(asp->line_color);

	/*texture is available in hw, use it - if blending, force using texture*/
	if (!gf_sc_texture_needs_reload(txh) || (alpha != 0xFF) || use_texture
#ifdef GF_SR_USE_DEPTH
		|| tr_state->depth_offset
#endif
		) {
		visual_3d_set_state(tr_state->visual, V3D_STATE_LIGHT, 0);
		visual_3d_enable_antialias(tr_state->visual, 0);
		if (alpha && (alpha != 0xFF)) {
			visual_3d_set_material_2d_argb(tr_state->visual, GF_COL_ARGB(alpha, 0xFF, 0xFF, 0xFF));
			gf_sc_texture_set_blend_mode(txh, TX_MODULATE);
		} else if (gf_sc_texture_is_transparent(txh)) {
			gf_sc_texture_set_blend_mode(txh, TX_REPLACE);
		} else {
			visual_3d_set_state(tr_state->visual, V3D_STATE_BLEND, 0);
		}
		/*ignore texture transform for bitmap*/
 		tr_state->mesh_num_textures = gf_sc_texture_enable(txh, NULL);
		if (tr_state->mesh_num_textures) {
			/*we must check the w & h passed are correct because of bitmap node initialization*/
			if (width && height) {
				if (!stack->mesh) {
					SFVec2f size;
					size.x = width;
					size.y = height;

					stack->mesh = new_mesh();
					mesh_new_rectangle(stack->mesh, size, NULL, 0);
				}
			}
			if (stack->mesh) {
#ifdef GF_SR_USE_DEPTH
				if (tr_state->depth_offset) {
					GF_Matrix mx;
					Fixed offset;
					Fixed disp_depth = (compositor->display_depth<0) ? INT2FIX(tr_state->visual->height) : INT2FIX(compositor->display_depth);
					if (disp_depth) {
						if (!tr_state->pixel_metrics) disp_depth = gf_divfix(disp_depth, tr_state->min_hsize);
						gf_mx_init(mx);
						/*add recalibration by the scene*/
						offset = tr_state->depth_offset;
						if (tr_state->visual->depth_vp_range) {
							offset = gf_divfix(offset, tr_state->visual->depth_vp_range/2);
						}
						gf_mx_add_translation(&mx, 0, 0, gf_mulfix(offset, disp_depth/2) );

						visual_3d_matrix_push(tr_state->visual);
						visual_3d_matrix_add(tr_state->visual, mx.m);
						visual_3d_mesh_paint(tr_state, stack->mesh);
						visual_3d_matrix_pop(tr_state->visual);
					} else {
						visual_3d_mesh_paint(tr_state, stack->mesh);
					}
				} else
#endif
					visual_3d_mesh_paint(tr_state, stack->mesh);
			}
 			gf_sc_texture_disable(txh);
			tr_state->mesh_num_textures = 0;
			return;
		}
	}

	/*otherwise use glDrawPixels*/
#if !defined(GPAC_USE_OGL_ES) && !defined(GPAC_USE_TINYGL)
	data = gf_sc_texture_get_data(txh, &format);
	if (!data) return;

	x = INT2FIX(txh->width) / -2;
	y = INT2FIX(txh->height) / 2;

	{
	Fixed g[16];

	sx = bmp_scale_x; if (sx<0) sx = FIX_ONE;
	sy = bmp_scale_y; if (sy<0) sy = FIX_ONE;
#ifndef GPAC_DISABLE_VRML
	compositor_adjust_scale(txh->owner, &sx, &sy);
#endif

	/*add top level scale if any*/
	sx = gf_mulfix(sx, compositor->scale_x);
	sy = gf_mulfix(sy, compositor->scale_y);

	/*get & apply current transform scale*/
	visual_3d_matrix_get(tr_state->visual, V3D_MATRIX_MODELVIEW, g);

	if (g[0]<0) g[0] *= -FIX_ONE;
	if (g[5]<0) g[5] *= -FIX_ONE;
	sx = gf_mulfix(sx, g[0]);
	sy = gf_mulfix(sy, g[5]);
	x = gf_mulfix(x, sx);
	y = gf_mulfix(y, sy);

	}
	visual_3d_draw_image(tr_state->visual, x, y, txh->width, txh->height, format, data, sx, sy);
#endif
}
Example #9
0
static void svg_traverse_resource(GF_Node *node, void *rs, Bool is_destroy, Bool is_foreign_object)
{
	GF_Matrix2D backup_matrix;
	GF_Matrix mx_3d;
  	GF_Matrix2D translate;
	SVGPropertiesPointers backup_props;
	u32 backup_flags, dirty;
	Bool is_fragment;
	GF_Node *used_node;
	GF_TraverseState *tr_state = (GF_TraverseState *)rs;
	SVGAllAttributes all_atts;
	SVGlinkStack *stack = gf_node_get_private(node);
	SFVec2f prev_vp;
	SVG_Number *prev_opacity;

	if (is_destroy) {
		if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
		gf_free(stack);
		return;
	}


	gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
	if (!all_atts.xlink_href) return;

	if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags))
		return;

	dirty = gf_node_dirty_get(node);
	if (dirty & GF_SG_CHILD_DIRTY) drawable_reset_group_highlight(tr_state, node);

	if (dirty & GF_SG_SVG_XLINK_HREF_DIRTY) {
		stack->fragment_id = NULL;
		stack->inline_sg = NULL;
		if (all_atts.xlink_href->string && (all_atts.xlink_href->string[0]=='#')) {
			stack->fragment_id = all_atts.xlink_href->string;
			stack->inline_sg = gf_node_get_graph(node);
		} else {
			GF_MediaObject *new_res = gf_mo_load_xlink_resource(node, is_foreign_object, 0, -1);
			if (new_res != stack->resource) {
				if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
				stack->resource = new_res;
			}
		}
	}
	gf_node_dirty_clear(node, 0);

	/*locate the used node - this is done at each step to handle progressive loading*/
	is_fragment = 0;
	used_node = NULL;
	if (!stack->inline_sg && !stack->fragment_id && all_atts.xlink_href) {
		if (all_atts.xlink_href->type == XMLRI_ELEMENTID) {
			used_node = all_atts.xlink_href->target;
			is_fragment = 1;
		} else if (stack->resource) {
			stack->inline_sg = gf_mo_get_scenegraph(stack->resource);
			if (!is_foreign_object) {
				stack->fragment_id = strchr(all_atts.xlink_href->string, '#');
			}
		}
	}
	if (!used_node && stack->inline_sg) {
		if (stack->fragment_id) {
			used_node = gf_sg_find_node_by_name(stack->inline_sg, (char *) stack->fragment_id+1);
			is_fragment = 1;
		} else if (is_foreign_object) {
			used_node = gf_sg_get_root_node(stack->inline_sg);
		}
	}
	if (!used_node) goto end;

	/*stack use nodes for picking*/
	gf_list_add(tr_state->use_stack, used_node);
	gf_list_add(tr_state->use_stack, node);

	gf_mx2d_init(translate);
	translate.m[2] = (all_atts.x ? all_atts.x->value : 0);
	translate.m[5] = (all_atts.y ? all_atts.y->value : 0);

	/*update VP size (SVG 1.1)*/
	prev_vp = tr_state->vp_size;
	if (all_atts.width && all_atts.height) {
		tr_state->vp_size.x = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.width);
		tr_state->vp_size.y = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.height);
	}

	prev_opacity = tr_state->parent_use_opacity;
	tr_state->parent_use_opacity = all_atts.opacity;

	if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) {
		compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &mx_3d);
		if (!compositor_svg_is_display_off(tr_state->svg_props)) {
			gf_node_traverse(used_node, tr_state);
			gf_mx2d_apply_rect(&translate, &tr_state->bounds);
		} 
		compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &mx_3d);
	}
	/*SORT mode and visible, traverse*/
	else if (!compositor_svg_is_display_off(tr_state->svg_props) 
		&& (*(tr_state->svg_props->visibility) != SVG_VISIBILITY_HIDDEN)) {

		compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &mx_3d);

#ifndef GPAC_DISABLE_3D
		if (tr_state->visual->type_3d) {
			gf_mx_add_matrix_2d(&tr_state->model_matrix, &translate);

			if (tr_state->traversing_mode==TRAVERSE_SORT) {
				GF_Matrix tmp;
				gf_mx_from_mx2d(&tmp, &translate);
				visual_3d_matrix_add(tr_state->visual, tmp.m);
			}
		} else 
#endif
			gf_mx2d_pre_multiply(&tr_state->transform, &translate);


		drawable_check_focus_highlight(node, tr_state, NULL);
		if (is_fragment) {
			gf_node_traverse(used_node, tr_state);
		} else {
			gf_sc_traverse_subscene(tr_state->visual->compositor, node, stack->inline_sg, tr_state);
		}
		compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &mx_3d);  

	}
	gf_list_rem_last(tr_state->use_stack);
	gf_list_rem_last(tr_state->use_stack);
	tr_state->vp_size = prev_vp;

	tr_state->parent_use_opacity = prev_opacity;

end:
	memcpy(tr_state->svg_props, &backup_props, sizeof(SVGPropertiesPointers));
	tr_state->svg_flags = backup_flags;
}
Example #10
0
static void svg_traverse_svg(GF_Node *node, void *rs, Bool is_destroy)
{
	Bool rootmost_svg, send_resize;
	u32 viewport_color;
	SVGsvgStack *stack;
	GF_Matrix2D backup_matrix, vb_bck;
#ifndef GPAC_DISABLE_3D
	GF_Matrix bck_mx;
#endif
	Bool is_dirty;
	GF_IRect top_clip;
	SFVec2f prev_vp;
	SVGPropertiesPointers backup_props, *prev_props;
	u32 backup_flags;
	Bool invalidate_flag;
	u32 styling_size = sizeof(SVGPropertiesPointers);
	GF_TraverseState *tr_state = (GF_TraverseState *) rs;
	SVGAllAttributes all_atts;
	stack = gf_node_get_private(node);

	if (is_destroy) {
		if (stack->svg_props) {
			gf_svg_properties_reset_pointers(stack->svg_props);
			gf_free(stack->svg_props);
		}
		gf_sc_check_focus_upon_destroy(node);
		if (stack->vp_fill) drawable_del(stack->vp_fill);
		gf_free(stack);
		return;
	}

	prev_props = tr_state->svg_props;
	/*SVG props not set: we are either the root-most <svg> of the compositor
	or an <svg> inside an <animation>*/
	if (!tr_state->svg_props) {
		tr_state->svg_props = stack->svg_props;
		if (!tr_state->svg_props) return;
	}
	
	gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
	if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags)) {
		tr_state->svg_props = prev_props;
		return;
	}

	/*enable or disable navigation*/
	tr_state->visual->compositor->navigation_disabled = (all_atts.zoomAndPan && *all_atts.zoomAndPan == SVG_ZOOMANDPAN_DISABLE) ? 1 : 0;

	if (compositor_svg_is_display_off(tr_state->svg_props)) {
		memcpy(tr_state->svg_props, &backup_props, styling_size);
		tr_state->svg_flags = backup_flags;
		return;
	}

	top_clip = tr_state->visual->top_clipper;
	gf_mx2d_copy(backup_matrix, tr_state->transform);
	gf_mx2d_copy(vb_bck, tr_state->vb_transform);

#ifndef GPAC_DISABLE_3D
	if (tr_state->visual->type_3d) gf_mx_copy(bck_mx, tr_state->model_matrix);
#endif
	
	invalidate_flag = tr_state->invalidate_all;

	is_dirty = gf_node_dirty_get(node);
	if (is_dirty  & GF_SG_CHILD_DIRTY) drawable_reset_group_highlight(tr_state, node);
	gf_node_dirty_clear(node, 0);

	send_resize = 0;
	if ((stack->parent_vp.x != tr_state->vp_size.x) || (stack->parent_vp.y != tr_state->vp_size.y)) {
		is_dirty = 1;
		send_resize = 1;
	}

	if (is_dirty || tr_state->visual->compositor->recompute_ar) {
		svg_recompute_viewport_transformation(node, stack, tr_state, &all_atts);
	}

	gf_mx2d_copy(tr_state->vb_transform, stack->viewbox_mx);

	rootmost_svg = (stack->root_svg && !tr_state->parent_anim_atts) ? 1 : 0;	
	if (tr_state->traversing_mode == TRAVERSE_SORT) {
		SVG_Paint *vp_fill = NULL;
		Fixed vp_opacity;

		if (tr_state->parent_anim_atts) {
			vp_fill = tr_state->parent_anim_atts->viewport_fill;
			vp_opacity = tr_state->parent_anim_atts->viewport_fill_opacity ? tr_state->parent_anim_atts->viewport_fill_opacity->value : FIX_ONE;
		} else {
			vp_fill = tr_state->svg_props->viewport_fill;
			vp_opacity = tr_state->svg_props->viewport_fill_opacity ? tr_state->svg_props->viewport_fill_opacity->value : FIX_ONE;
		} 

		if (vp_fill && (vp_fill->type != SVG_PAINT_NONE) && vp_opacity) {
			Bool col_dirty = 0;
			viewport_color = GF_COL_ARGB_FIXED(vp_opacity, vp_fill->color.red, vp_fill->color.green, vp_fill->color.blue);

			if (stack->prev_color != viewport_color) {
				stack->prev_color = viewport_color;
				col_dirty = 1;
			}

			if (!rootmost_svg) {
				DrawableContext *ctx;
				Fixed width = tr_state->parent_anim_atts->width->value;
				Fixed height = tr_state->parent_anim_atts->height->value;

				if (!stack->vp_fill) {
					stack->vp_fill = drawable_new();
					stack->vp_fill->node = node;
				}
				if ((width != stack->vp_fill->path->bbox.width) || (height != stack->vp_fill->path->bbox.height)) {
					drawable_reset_path(stack->vp_fill);
					gf_path_add_rect(stack->vp_fill->path, 0, 0, width, -height);
				}

				ctx = drawable_init_context_svg(stack->vp_fill, tr_state);
				if (ctx) {
					ctx->flags &= ~CTX_IS_TRANSPARENT;
					ctx->aspect.pen_props.width = 0;
					ctx->aspect.fill_color = viewport_color;
					ctx->aspect.fill_texture = NULL;
					if (col_dirty) ctx->flags |= CTX_APP_DIRTY;
					drawable_finalize_sort(ctx, tr_state, NULL);
				}

			} else if (col_dirty) {
				tr_state->visual->compositor->back_color = viewport_color;
				/*invalidate the entire visual*/
				tr_state->invalidate_all = 1;
			}
		}
	}


	if (!stack->root_svg && (all_atts.x || all_atts.y)) 
		gf_mx2d_add_translation(&tr_state->vb_transform, all_atts.x->value, all_atts.y->value);

#ifndef GPAC_DISABLE_3D
	if (tr_state->visual->type_3d) {
		if (tr_state->traversing_mode==TRAVERSE_SORT) {
			GF_Matrix tmp;
			visual_3d_matrix_push(tr_state->visual);

			gf_mx_from_mx2d(&tmp, &tr_state->vb_transform);
			visual_3d_matrix_add(tr_state->visual, tmp.m);
		} else {
			gf_mx_add_matrix_2d(&tr_state->model_matrix, &tr_state->vb_transform);
		}
	} else 
#endif
	{
		gf_mx2d_pre_multiply(&tr_state->transform, &tr_state->vb_transform);
	}

	/*store VP and move it to current VP (eg, the one used to compute the vb_transform)*/
	prev_vp = tr_state->vp_size;
	tr_state->vp_size = stack->vp;

	/*the event may trigger scripts which may delete nodes / modify the scene. We therefore send the resize event 
	before traversing the scene*/
	if (send_resize) {
		GF_DOM_Event evt;
		memset(&evt, 0, sizeof(GF_DOM_Event));
		evt.bubbles = 1;
		evt.type = GF_EVENT_RESIZE;
		gf_dom_event_fire(node, &evt);
	}
	if ((stack->vp.x != prev_vp.x) || (stack->vp.y != prev_vp.y)) {
		GF_Scene *scene = node->sgprivate->scenegraph->userpriv;
		
		if (scene) { 
			GF_DOM_Event evt;
			memset(&evt, 0, sizeof(GF_DOM_Event));
			evt.bubbles = 0;
			evt.screen_rect.width = stack->vpw;
			evt.screen_rect.height = stack->vph;
			evt.screen_rect.x = stack->dx;
			evt.screen_rect.y = stack->dy;
			evt.prev_translate.x = stack->vp.x;
			evt.prev_translate.y = stack->vp.y;
			evt.type = GF_EVENT_VP_RESIZE;
			gf_scene_notify_event(scene, 0, NULL, &evt, GF_OK);
		}
	}

	if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) {
		gf_sc_get_nodes_bounds(node, ((SVG_Element *)node)->children, tr_state, NULL);
	} else {
		compositor_svg_traverse_children(((SVG_Element *)node)->children, tr_state);
	}
	tr_state->vp_size = prev_vp;

#ifndef GPAC_DISABLE_3D
	if (tr_state->visual->type_3d) {
		if (tr_state->traversing_mode==TRAVERSE_SORT) visual_3d_matrix_pop(tr_state->visual);
		gf_mx_copy(tr_state->model_matrix, bck_mx);
	}
#endif
	gf_mx2d_copy(tr_state->transform, backup_matrix);  
	gf_mx2d_copy(tr_state->vb_transform, vb_bck);
	memcpy(tr_state->svg_props, &backup_props, styling_size);
	tr_state->svg_flags = backup_flags;
	tr_state->visual->top_clipper = top_clip;
	if (!stack->root_svg) {
		tr_state->invalidate_all = invalidate_flag;
	}
	tr_state->svg_props = prev_props;
}
Example #11
0
static void svg_traverse_animation(GF_Node *node, void *rs, Bool is_destroy)
{
	SVGAllAttributes all_atts;
	GF_Matrix2D backup_matrix;
	GF_Matrix backup_matrix3d;
	SVGPropertiesPointers backup_props;
	u32 backup_flags;
	SFVec2f prev_vp;
	GF_Rect rc;
	GF_IRect clip, prev_clip;
	SVGAllAttributes *prev_vp_atts;
	GF_TraverseState *tr_state = (GF_TraverseState*)rs;
  	GF_Matrix2D translate;
	SVGPropertiesPointers *old_props;
	SVGlinkStack *stack = gf_node_get_private(node);

	if (is_destroy) {
		if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
		gf_free(stack);
		return;
	}
	gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);


	if (!stack->inline_sg && !stack->resource) {
		if (!stack->init_vis_state) {
			if (all_atts.initialVisibility && (*all_atts.initialVisibility==SVG_INITIALVISIBILTY_ALWAYS)) {
				stack->init_vis_state = 2;
				svg_animation_smil_update(node, stack, 0);
			} else {
				stack->init_vis_state = 1;
			}
		}
		if (!stack->inline_sg && !stack->resource)
			return;
	}

	if (!all_atts.width || !all_atts.height) return;
	if (!all_atts.width->value || !all_atts.height->value) return;

	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) ||
		*(tr_state->svg_props->visibility) == SVG_VISIBILITY_HIDDEN) {
		goto end;
	}

	compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &backup_matrix3d);

	/*add x/y translation*/
	gf_mx2d_init(translate);
	translate.m[2] = (all_atts.x ? all_atts.x->value : 0);
	translate.m[5] = (all_atts.y ? all_atts.y->value : 0);
#ifndef GPAC_DISABLE_3D
	if (tr_state->visual->type_3d) {
		gf_mx_add_matrix_2d(&tr_state->model_matrix, &translate);

		if (tr_state->traversing_mode==TRAVERSE_SORT) {
			GF_Matrix tmp;
			gf_mx_from_mx2d(&tmp, &translate);
			visual_3d_matrix_add(tr_state->visual, tmp.m);
		}
	} else 
#endif
		gf_mx2d_pre_multiply(&tr_state->transform, &translate);

	/*reset SVG props to reload a new inheritance context*/
	old_props = tr_state->svg_props;
	tr_state->svg_props = NULL;
	
	/*store this node's attribute to compute PAR/ViewBox of the child <svg>*/
	prev_vp_atts = tr_state->parent_anim_atts;
	tr_state->parent_anim_atts = &all_atts;

	/*update VP size*/
	prev_vp = tr_state->vp_size;

	tr_state->vp_size.x = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.width);
	tr_state->vp_size.y = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.height);

	/*setup new clipper*/
	rc.width = tr_state->vp_size.x;
	rc.height = tr_state->vp_size.y;
	rc.x = 0;
	rc.y = tr_state->vp_size.y;
	gf_mx2d_apply_rect(&tr_state->transform, &rc);
	prev_clip = tr_state->visual->top_clipper;
	clip = gf_rect_pixelize(&rc);
//	gf_irect_intersect(&tr_state->visual->top_clipper, &clip);

	if (!stack->inline_sg && stack->resource) {
		stack->inline_sg = gf_mo_get_scenegraph(stack->resource);
	}

	if (stack->inline_sg) {
		gf_sc_traverse_subscene(tr_state->visual->compositor, node, stack->inline_sg, tr_state);
	}

	if (stack->init_vis_state == 2) {
		stack->init_vis_state = 3;
		gf_mo_pause(stack->resource);
	}

	tr_state->svg_props = old_props;
	tr_state->visual->top_clipper = prev_clip;

	tr_state->parent_anim_atts = prev_vp_atts;
	tr_state->vp_size = prev_vp;

	compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &backup_matrix3d);  

end:
	memcpy(tr_state->svg_props, &backup_props, sizeof(SVGPropertiesPointers));
	tr_state->svg_flags = backup_flags;
}