Bool VS2D_TerminateDraw(VisualSurface2D *surf, RenderEffect2D *eff)
{
u32 j, k, i, num_to_draw, num_empty, count, max_nodes_allowed;
M4IRect refreshRect;
Bool redraw_all, is_empty;
M_Background2D *bck;
DrawableContext *bck_ctx;
DrawableContext *ctx;
Bool use_direct_render = 0;
Bool has_changed = 0;
/*in direct mode the surface is always redrawn*/
if (eff->trav_flags & TF_RENDER_DIRECT) {
has_changed = 1;
use_direct_render = 1;
}
VS2D_ResetSensors(surf);
num_to_draw = 0;
/*if the aspect ratio has changed redraw everything*/
redraw_all = eff->invalidate_all;
/*check for background changes for transparent nodes*/
bck = NULL;
bck_ctx = NULL;
if (! use_direct_render) {
bck = NULL;
if (ChainGetCount(surf->back_stack)) bck = ChainGetEntry(surf->back_stack, 0);
if (bck) {
if (!bck->isBound) redraw_all = 1;
surf->last_had_back = 1;
bck_ctx = b2D_GetContext(bck, surf->back_stack);
if (bck_ctx->redraw_flags) redraw_all = 1;
} else if (surf->last_had_back) {
surf->last_had_back = 0;
redraw_all = 1;
}
surf->last_had_back = 0;
}
max_nodes_allowed = (u32) ((surf->top_clipper.width / MIN_BBOX_SIZE) * (surf->top_clipper.height / MIN_BBOX_SIZE));
num_empty = 0;
count = surf->num_contexts;
for (i=0; i<count; i++) {
ctx = surf->contexts[i];
m4_irect_intersect(&ctx->clip, &surf->top_clipper);
is_empty = m4_rect_is_empty(ctx->clip);
/*store bounds even in direct render*/
if (!is_empty) {
drawable_store_bounds(ctx);
register_sensor(surf, ctx);
} else if (!use_direct_render) {
num_empty++;
continue;
}
//register node to draw
surf->nodes_to_draw[num_to_draw] = i;
num_to_draw++;
if (use_direct_render) {
drawable_reset_previous_bounds(ctx->node);
continue;
}
drawctx_update_info(ctx);
/*node has changed, add to redraw area*/
if (!redraw_all && ctx->redraw_flags) {
ra_union_rect(&surf->to_redraw, ctx->clip);
CHECK_MAX_NODE
}
/*otherwise try to remove any sensor hidden below*/
if (!ctx->transparent) remove_hidden_sensors(surf, num_to_draw, ctx);
}
static void RenderLayer2D(GF_Node *node, void *rs, Bool is_destroy)
{
u32 i;
GF_List *prevback, *prevviews;
GF_Rect clip;
M_Viewport *vp;
ChildGroup2D *cg;
GF_Matrix2D gf_mx2d_bck;
GroupingNode2D *parent_bck;
DrawableContext *back_ctx;
Bool bool_bck;
DrawableContext *ctx;
M_Background2D *back;
M_Layer2D *l = (M_Layer2D *)node;
Layer2DStack *l2D = (Layer2DStack *) gf_node_get_private(node);
RenderEffect2D *eff;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)l2D);
gf_list_del(l2D->backs);
gf_list_del(l2D->views);
free(l2D);
return;
}
eff = (RenderEffect2D *) rs;
gf_mx2d_copy(gf_mx2d_bck, eff->transform);
parent_bck = eff->parent;
eff->parent = (GroupingNode2D *) l2D;
gf_mx2d_init(eff->transform);
bool_bck = eff->draw_background;
prevback = eff->back_stack;
prevviews = eff->view_stack;
eff->back_stack = l2D->backs;
eff->view_stack = l2D->views;
if (l2D->first) {
/*render on back first to register with stack*/
if (l->background) {
eff->draw_background = 0;
gf_node_render((GF_Node*) l->background, eff);
group2d_reset_children((GroupingNode2D*) l2D);
eff->draw_background = 1;
}
vp = (M_Viewport*)l->viewport;
if (vp) {
gf_list_add(l2D->views, vp);
if (!vp->isBound) {
vp->isBound = 1;
gf_node_event_out_str((GF_Node*)vp, "isBound");
}
}
}
back = NULL;
if (gf_list_count(l2D->backs) ) {
back = (M_Background2D*)gf_list_get(l2D->backs, 0);
if (!back->isBound) back = NULL;
}
vp = NULL;
if (gf_list_count(l2D->views)) {
vp = (M_Viewport*)gf_list_get(l2D->views, 0);
if (!vp->isBound) vp = NULL;
}
if (!eff->is_pixel_metrics) gf_mx2d_add_scale(&eff->transform, eff->min_hsize, eff->min_hsize);
l2D->clip = R2D_ClipperToPixelMetrics(eff, l->size);
/*apply viewport*/
if (vp) {
clip = l2D->clip;
vp_setup((GF_Node *) vp, eff, &clip);
}
back_ctx = NULL;
if (back) {
/*setup back size and render*/
group2d_start_child((GroupingNode2D *)l2D);
eff->draw_background = 1;
ctx = b2D_GetContext(back, l2D->backs);
ctx->bi->unclip = l2D->clip;
ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip);
gf_mx2d_init(ctx->transform);
gf_node_render((GF_Node *) back, eff);
eff->draw_background = 0;
/*we need a trick since we're not using a dedicated surface for layer rendering,
we emulate the back context: remove previous context and insert fake one*/
if (!(eff->trav_flags & TF_RENDER_DIRECT) && (gf_list_count(l2D->groups)==1)) {
ChildGroup2D *cg = (ChildGroup2D *)gf_list_get(l2D->groups, 0);
back_ctx = VS2D_GetDrawableContext(eff->surface);
gf_list_rem(cg->contexts, 0);
gf_list_add(cg->contexts, back_ctx);
back_ctx->h_texture = ctx->h_texture;
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, eff->surface);
back_ctx->bi->clip = ctx->bi->clip;
back_ctx->bi->unclip = ctx->bi->unclip;
}
group2d_end_child((GroupingNode2D *)l2D);
}
group2d_traverse((GroupingNode2D *)l2D, l->children, eff);
/*restore effect*/
eff->draw_background = bool_bck;
gf_mx2d_copy(eff->transform, gf_mx2d_bck);
eff->parent = parent_bck;
eff->back_stack = prevback;
eff->view_stack = prevviews;
/*check bindables*/
if (l2D->first) {
Bool redraw = 0;
l2D->first = 0;
if (!back && gf_list_count(l2D->backs)) redraw = 1;
if (!vp && gf_list_count(l2D->views) ) redraw = 1;
/*we missed background or viewport (was not declared as bound during traversal, and is bound now)*/
if (redraw) {
group2d_reset_children((GroupingNode2D*)l2D);
gf_sr_invalidate(l2D->compositor, NULL);
return;
}
}
i=0;
while ((cg = (ChildGroup2D *)gf_list_enum(l2D->groups, &i))) {
child2d_render_done(cg, eff, &l2D->clip);
}
group2d_reset_children((GroupingNode2D*)l2D);
group2d_force_bounds(eff->parent, &l2D->clip);
}
void VS2D_InitDraw(VisualSurface2D *surf, RenderEffect2D *eff)
{
u32 i, count;
M4Rect rc;
DrawableContext *ctx;
M_Background2D *bck;
surf->num_contexts = 0;
eff->surface = surf;
eff->draw_background = 0;
mx2d_copy(surf->top_transform, eff->transform);
eff->back_stack = surf->back_stack;
eff->view_stack = surf->view_stack;
/*setup clipper*/
if (surf->center_coords) {
m4_rect_center(&rc, (Float) surf->width, (Float) surf->height);
} else {
rc.x = 0;
rc.width = (Float) surf->width;
rc.y = rc.height = (Float) surf->height;
}
/*set top-transform to pixelMetrics*/
if (!eff->is_pixel_metrics) mx2d_add_scale(&eff->transform, eff->min_hsize, eff->min_hsize);
surf->surf_rect = m4_rect_pixelize(&rc);
/*setup surface, brush and pen */
VS2D_InitSurface(surf);
/*setup viewport*/
if (ChainGetCount(surf->view_stack)) {
M_Viewport *vp = (M_Viewport *) ChainGetEntry(surf->view_stack, 0);
vp_setup((SFNode *) vp, eff, &rc);
}
surf->top_clipper = m4_rect_pixelize(&rc);
/*reset prev nodes*/
count = ChainGetCount(surf->prev_nodes_drawn);
for (i=0; i<count; i++) {
Drawable *dr = ChainGetEntry(surf->prev_nodes_drawn, i);
if (surf->last_was_direct_render != (Bool) (eff->trav_flags & TF_RENDER_DIRECT) )
drawable_reset_previous_bounds(dr);
drawable_flush_bounds(dr);
}
surf->last_was_direct_render = (Bool) (eff->trav_flags & TF_RENDER_DIRECT);
if (!surf->last_was_direct_render) return;
/*direct mode, draw background*/
bck = NULL;
if (ChainGetCount(surf->back_stack)) bck = ChainGetEntry(surf->back_stack, 0);
if (bck && bck->isBound) {
ctx = b2D_GetContext(bck, surf->back_stack);
ctx->clip = surf->surf_rect;
ctx->unclip = m4_rect_ft(&ctx->clip);
eff->draw_background = 1;
Node_Render((SFNode *) bck, eff);
eff->draw_background = 0;
} else {
VS2D_Clear(surf, NULL, 0);
}
}