Bool visual_2d_terminate_draw(GF_VisualManager *visual, GF_TraverseState *tr_state)
{
u32 k, i, count, num_nodes, num_changed;
GF_IRect refreshRect;
Bool redraw_all;
Bool hyb_force_redraw=GF_FALSE;
#ifndef GPAC_DISABLE_VRML
M_Background2D *bck = NULL;
DrawableContext *bck_ctx = NULL;
#endif
DrawableContext *ctx;
struct _drawable_store *it, *prev;
DrawableContext *first_opaque = NULL;
Bool has_clear = 0;
Bool has_changed = 0;
Bool redraw_all_on_background_change = GF_TRUE;
/*in direct mode the visual is always redrawn*/
if (tr_state->immediate_draw) {
/*flush pending contexts due to overlays*/
visual_2d_flush_overlay_areas(visual, tr_state);
visual_2d_release_raster(visual);
visual_clean_contexts(visual);
visual->num_nodes_prev_frame = visual->num_nodes_current_frame;
return 1;
}
num_changed = 0;
/*if the aspect ratio has changed redraw everything*/
redraw_all = tr_state->invalidate_all;
#ifndef GPAC_DISABLE_3D
if (visual->compositor->hybrid_opengl && !visual->offscreen) redraw_all_on_background_change = GF_FALSE;
#endif
/*check for background changes for transparent nodes*/
#ifndef GPAC_DISABLE_VRML
bck = (M_Background2D*)gf_list_get(visual->back_stack, 0);
if (bck) {
if (!bck->isBound) {
if (visual->last_had_back) {
if (redraw_all_on_background_change) redraw_all = 1;
else hyb_force_redraw = 1;
}
visual->last_had_back = 0;
} else {
bck_ctx = b2d_get_context(bck, visual->back_stack);
if (!visual->last_had_back || (bck_ctx->flags & CTX_REDRAW_MASK) ) {
if (redraw_all_on_background_change) redraw_all = 1;
else hyb_force_redraw = 1;
}
visual->last_had_back = (bck_ctx->aspect.fill_texture && !bck_ctx->aspect.fill_texture->transparent) ? 2 : 1;
}
} else
#endif
if (visual->last_had_back) {
visual->last_had_back = 0;
if (redraw_all_on_background_change) redraw_all = 1;
else hyb_force_redraw = 1;
}
num_nodes = 0;
ctx = visual->context;
while (ctx && ctx->drawable) {
num_nodes++;
drawctx_update_info(ctx, visual);
if (!redraw_all) {
u32 res;
assert( gf_irect_inside(&visual->top_clipper, &ctx->bi->clip) );
res = register_context_rect(&visual->to_redraw, ctx, num_nodes, &first_opaque);
if (res) {
num_changed ++;
if (res==2)
hyb_force_redraw=GF_TRUE;
}
}
ctx = ctx->next;
}
/*garbage collection*/
/*clear all remaining bounds since last frames (the ones that moved or that are not drawn this frame)*/
prev = NULL;
it = visual->prev_nodes;
while (it) {
while (drawable_get_previous_bound(it->drawable, &refreshRect, visual)) {
if (!redraw_all) {
//assert( gf_irect_inside(&visual->top_clipper, &refreshRect) );
gf_irect_intersect(&refreshRect, &visual->top_clipper);
register_dirty_rect(&visual->to_redraw, &refreshRect);
has_clear=1;
}
}
/*if node is marked as undrawn, remove from visual*/
if (!(it->drawable->flags & DRAWABLE_DRAWN_ON_VISUAL)) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Node %s no longer on visual - unregistering it\n", gf_node_get_class_name(it->drawable->node)));
/*remove all bounds info related to this visual and unreg node */
drawable_reset_bounds(it->drawable, visual);
it->drawable->flags &= ~DRAWABLE_REGISTERED_WITH_VISUAL;
if (it->drawable->flags & DRAWABLE_IS_OVERLAY) {
visual->compositor->video_out->Blit(visual->compositor->video_out, NULL, NULL, NULL, 1);
}
if (prev) prev->next = it->next;
else visual->prev_nodes = it->next;
if (!it->next) visual->last_prev_entry = prev;
gf_free(it);
it = prev ? prev->next : visual->prev_nodes;
} else {
prev = it;
it = it->next;
}
}
if (redraw_all) {
ra_clear(&visual->to_redraw);
ra_add(&visual->to_redraw, &visual->surf_rect);
#ifdef TRACK_OPAQUE_REGIONS
visual->to_redraw.list[0].opaque_node_index=0;
#endif
} else {
ra_refresh(&visual->to_redraw);
if (visual->compositor->debug_defer) {
visual->ClearSurface(visual, &visual->top_clipper, 0);
}
}
/*nothing to redraw*/
if (!hyb_force_redraw && ra_is_empty(&visual->to_redraw) ) {
#ifndef GPAC_DISABLE_3D
//force canvas draw
visual->nb_objects_on_canvas_since_last_ogl_flush = 1;
#endif
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] No changes found since last frame - skipping redraw\n"));
goto exit;
}
has_changed = 1;
tr_state->traversing_mode = TRAVERSE_DRAW_2D;
if (first_opaque && (visual->to_redraw.count==1) && gf_rect_equal(first_opaque->bi->clip, visual->to_redraw.list[0].rect)) {
visual->has_modif=0;
goto skip_background;
}
/*redraw everything*/
#ifndef GPAC_DISABLE_VRML
if (bck_ctx) {
drawable_check_bounds(bck_ctx, visual);
tr_state->ctx = bck_ctx;
visual->draw_node_index = 0;
/*force clearing entire zone, not just viewport, when using color. If texture, we MUST
use the VP clipper in order to compute offsets when blitting bitmaps*/
if (bck_ctx->aspect.fill_texture && bck_ctx->aspect.fill_texture->stream) {
bck_ctx->bi->clip = visual->top_clipper;
} else {
bck_ctx->bi->clip = visual->surf_rect;
}
bck_ctx->bi->unclip = gf_rect_ft(&bck_ctx->bi->clip);
bck_ctx->next = visual->context;
bck_ctx->flags |= CTX_BACKROUND_NOT_LAYER;
gf_node_traverse(bck_ctx->drawable->node, tr_state);
bck_ctx->flags &= ~CTX_BACKROUND_NOT_LAYER;
} else
#endif /*GPAC_DISABLE_VRML*/
{
count = visual->to_redraw.count;
for (k=0; k<count; k++) {
GF_IRect rc;
/*opaque area, skip*/
#ifdef TRACK_OPAQUE_REGIONS
if (visual->to_redraw.list[k].opaque_node_index > 0) continue;
#endif
rc = visual->to_redraw.list[k].rect;
visual->ClearSurface(visual, &rc, 0);
}
#ifndef GPAC_DISABLE_3D
if (!count && hyb_force_redraw) {
compositor_2d_hybgl_clear_surface_ex(tr_state->visual, NULL, 0, GF_FALSE);
}
#endif
}
if (!redraw_all && !has_clear) visual->has_modif=0;
skip_background:
#ifndef GPAC_DISABLE_LOG
if (gf_log_tool_level_on(GF_LOG_COMPOSE, GF_LOG_INFO)) {
GF_LOG(GF_LOG_INFO, GF_LOG_COMPOSE, ("[Visual2D] Redraw %d / %d nodes (all: %s - %d dirty rects\n)", num_changed, num_nodes, redraw_all ? "yes" : "no", visual->to_redraw.count));
if (visual->to_redraw.count>1) GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("\n"));
for (i=0; i<visual->to_redraw.count; i++) {
GF_LOG(GF_LOG_INFO, GF_LOG_COMPOSE, ("\tDirtyRect #%d: %d:%d@%dx%d\n", i+1, visual->to_redraw.list[i].rect.x, visual->to_redraw.list[i].rect.y, visual->to_redraw.list[i].rect.width, visual->to_redraw.list[i].rect.height));
assert(visual->to_redraw.list[i].rect.width);
}
}
#endif
visual->draw_node_index = 0;
ctx = visual->context;
while (ctx && ctx->drawable) {
visual->draw_node_index ++;
tr_state->ctx = ctx;
/*if overlay we cannot remove the context and cannot draw directly*/
if (! visual_2d_overlaps_overlay(tr_state->visual, ctx, tr_state)) {
if (ctx->drawable->flags & DRAWABLE_USE_TRAVERSE_DRAW) {
gf_node_traverse(ctx->drawable->node, tr_state);
} else {
drawable_draw(ctx->drawable, tr_state);
}
}
ctx = ctx->next;
}
/*flush pending contexts due to overlays*/
visual_2d_flush_overlay_areas(visual, tr_state);
#ifndef GPAC_DISABLE_VRML
if (bck_ctx) bck_ctx->next = NULL;
#endif
if (visual->direct_flush) {
GF_DirtyRectangles dr;
u32 i;
dr.count = visual->to_redraw.count;
dr.list = gf_malloc(sizeof(GF_IRect)*dr.count);
for (i=0; i<dr.count; i++) {
dr.list[i] = visual->to_redraw.list[i].rect;
}
visual->compositor->video_out->FlushRectangles(visual->compositor->video_out, &dr);
visual->compositor->skip_flush=1;
gf_free(dr.list);
}
exit:
/*clear dirty rects*/
ra_clear(&visual->to_redraw);
visual_2d_release_raster(visual);
visual_clean_contexts(visual);
visual->num_nodes_prev_frame = visual->num_nodes_current_frame;
return has_changed;
}
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);
}