static void VS2D_DoFill(VisualSurface2D *surf, DrawableContext *ctx, GF_STENCIL stencil)
{
GF_IRect clip;
GF_Raster2D *r2d = surf->render->compositor->r2d;
/*background rendering - direct rendering: use ctx clip*/
if ((ctx->flags & CTX_IS_BACKGROUND) || (surf->render->top_effect->trav_flags & TF_RENDER_DIRECT)) {
if (ctx->bi->clip.width && ctx->bi->clip.height) {
r2d->surface_set_clipper(surf->the_surface, &ctx->bi->clip);
r2d->surface_fill(surf->the_surface, stencil);
}
}
/*indirect rendering, draw path in all dirty areas*/
else {
u32 i;
for (i=0; i<surf->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (surf->draw_node_index<surf->to_redraw.opaque_node_index[i]) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &surf->to_redraw.list[i]);
if (clip.width && clip.height) {
r2d->surface_set_clipper(surf->the_surface, &clip);
r2d->surface_fill(surf->the_surface, stencil);
// } else {
// fprintf(stdout, "node outside clipper\n");
}
}
}
}
static void visual_2d_fill_path(GF_VisualManager *visual, DrawableContext *ctx, GF_STENCIL stencil, GF_TraverseState *tr_state, Bool is_erase)
{
Bool has_modif = GF_FALSE;
GF_IRect clip;
GF_Raster2D *raster = visual->compositor->rasterizer;
/*background & direct drawing : use ctx clip*/
if ((ctx->flags & CTX_IS_BACKGROUND) || tr_state->immediate_draw) {
if (ctx->bi->clip.width && ctx->bi->clip.height) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Redrawing node %s[%s] (direct draw)\n", gf_node_get_log_name(ctx->drawable->node), gf_node_get_class_name(ctx->drawable->node) ));
if (stencil) {
raster->surface_set_clipper(visual->raster_surface, &ctx->bi->clip);
raster->surface_fill(visual->raster_surface, stencil);
} else {
raster->surface_clear(visual->raster_surface, &ctx->bi->clip, 0);
}
has_modif = GF_TRUE;
}
}
/*indirect drawing, draw path in all dirty areas*/
else {
u32 i;
for (i=0; i<visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (!is_erase && (visual->draw_node_index<visual->to_redraw.list[i].opaque_node_index)) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &visual->to_redraw.list[i].rect);
if (clip.width && clip.height) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Redrawing node %s[%s] (indirect draw @ dirty rect idx %d)\n", gf_node_get_log_name(ctx->drawable->node), gf_node_get_class_name(ctx->drawable->node), i));
if (stencil) {
raster->surface_set_clipper(visual->raster_surface, &clip);
raster->surface_fill(visual->raster_surface, stencil);
} else {
raster->surface_clear(visual->raster_surface, &clip, 0);
}
has_modif = 1;
}
}
}
#ifndef GPAC_DISABLE_3D
if (!is_erase)
visual->nb_objects_on_canvas_since_last_ogl_flush++;
#endif
if (has_modif) {
visual->has_modif = 1;
#ifndef GPAC_DISABLE_3D
if (!visual->offscreen && visual->compositor->hybrid_opengl && !is_erase)
ra_union_rect(&visual->hybgl_drawn, &ctx->bi->clip);
#endif
}
}
static void DrawBackground2D_2D(DrawableContext *ctx, GF_TraverseState *tr_state)
{
Background2DStack *stack;
if (!ctx || !ctx->drawable || !ctx->drawable->node) return;
stack = (Background2DStack *) gf_node_get_private(ctx->drawable->node);
if (!ctx->bi->clip.width || !ctx->bi->clip.height) return;
stack->flags &= ~CTX_PATH_FILLED;
if (back_use_texture((M_Background2D *)ctx->drawable->node)) {
if (!tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL)) {
/*set target rect*/
gf_path_reset(stack->drawable->path);
gf_path_add_rect_center(stack->drawable->path,
ctx->bi->unclip.x + ctx->bi->unclip.width/2,
ctx->bi->unclip.y - ctx->bi->unclip.height/2,
ctx->bi->unclip.width, ctx->bi->unclip.height);
/*draw texture*/
visual_2d_texture_path(tr_state->visual, stack->drawable->path, ctx, tr_state);
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
} else {
/*direct drawing, draw without clippers */
if (tr_state->immediate_draw) {
/*directly clear with specified color*/
tr_state->visual->ClearSurface(tr_state->visual, &ctx->bi->clip, ctx->aspect.fill_color);
} else {
u32 i;
GF_IRect clip;
for (i=0; i<tr_state->visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (tr_state->visual->draw_node_index<tr_state->visual->to_redraw.opaque_node_index[i]) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &tr_state->visual->to_redraw.list[i]);
if (clip.width && clip.height) {
tr_state->visual->ClearSurface(tr_state->visual, &clip, ctx->aspect.fill_color);
}
}
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
}
tr_state->visual->has_modif = 1;
}
static void visual_2d_fill_path(GF_VisualManager *visual, DrawableContext *ctx, GF_STENCIL stencil, GF_TraverseState *tr_state)
{
GF_IRect clip;
GF_Raster2D *raster = visual->compositor->rasterizer;
/*background & direct drawing : use ctx clip*/
if ((ctx->flags & CTX_IS_BACKGROUND) || tr_state->immediate_draw) {
if (ctx->bi->clip.width && ctx->bi->clip.height) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Redrawing node %s[%s] (direct draw)\n", gf_node_get_log_name(ctx->drawable->node), gf_node_get_class_name(ctx->drawable->node) ));
if (stencil) {
raster->surface_set_clipper(visual->raster_surface, &ctx->bi->clip);
raster->surface_fill(visual->raster_surface, stencil);
} else {
raster->surface_clear(visual->raster_surface, &ctx->bi->clip, 0);
}
visual->has_modif = 1;
}
}
/*indirect drawing, draw path in all dirty areas*/
else {
u32 i;
for (i=0; i<visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (visual->draw_node_index<visual->to_redraw.opaque_node_index[i]) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &visual->to_redraw.list[i]);
if (clip.width && clip.height) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[Visual2D] Redrawing node %s[%s] (indirect draw @ dirty rect idx %d)\n", gf_node_get_log_name(ctx->drawable->node), gf_node_get_class_name(ctx->drawable->node), i));
if (stencil) {
raster->surface_set_clipper(visual->raster_surface, &clip);
raster->surface_fill(visual->raster_surface, stencil);
} else {
raster->surface_clear(visual->raster_surface, &clip, 0);
}
visual->has_modif = 1;
}
}
}
}
static void compositor_2d_draw_rectangle(GF_TraverseState *tr_state)
{
DrawableContext *ctx = tr_state->ctx;
if (ctx->aspect.fill_texture && ctx->aspect.fill_texture->data
#ifndef GPAC_DISABLE_3D
&& !tr_state->visual->compositor->hybrid_opengl
#endif
) {
Bool res;
/*get image size WITHOUT line size or antialias margin*/
if ( !(ctx->flags & CTX_NO_ANTIALIAS) ) {
GF_Rect orig_unclip;
GF_IRect orig_clip;
orig_unclip = ctx->bi->unclip;
orig_clip = ctx->bi->clip;
gf_path_get_bounds(ctx->drawable->path, &ctx->bi->unclip);
gf_mx2d_apply_rect(&ctx->transform, &ctx->bi->unclip);
ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip);
gf_irect_intersect(&ctx->bi->clip, &orig_clip);
res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL);
/*strike path*/
ctx->bi->unclip = orig_unclip;
ctx->bi->clip = orig_clip;
if (res) {
ctx->flags |= CTX_PATH_FILLED;
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
}
} else {
res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL);
}
/*if failure retry with raster*/
if (res) return;
}
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
}
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;
}
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);
}
}
static void DrawBackground2D_2D(DrawableContext *ctx, GF_TraverseState *tr_state)
{
Bool clear_all = GF_TRUE;
u32 color;
Bool use_texture;
Bool is_offscreen = GF_FALSE;
Background2DStack *stack;
if (!ctx || !ctx->drawable || !ctx->drawable->node) return;
stack = (Background2DStack *) gf_node_get_private(ctx->drawable->node);
if (!ctx->bi->clip.width || !ctx->bi->clip.height) return;
stack->flags &= ~CTX_PATH_FILLED;
color = ctx->aspect.fill_color;
use_texture = back_use_texture((M_Background2D *)ctx->drawable->node);
if (!use_texture && !tr_state->visual->is_attached) {
use_texture = 1;
stack->txh.data = stack->col_tx;
stack->txh.width = 2;
stack->txh.height = 2;
stack->txh.stride = 6;
stack->txh.pixelformat = GF_PIXEL_RGB_24;
}
if (use_texture) {
if (!tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx)) {
/*set target rect*/
gf_path_reset(stack->drawable->path);
gf_path_add_rect_center(stack->drawable->path,
ctx->bi->unclip.x + ctx->bi->unclip.width/2,
ctx->bi->unclip.y - ctx->bi->unclip.height/2,
ctx->bi->unclip.width, ctx->bi->unclip.height);
/*draw texture*/
visual_2d_texture_path(tr_state->visual, stack->drawable->path, ctx, tr_state);
}
//a quick hack, if texture not ready return (we don't have direct notification of this through the above functions
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->compositor->hybrid_opengl && !stack->txh.tx_io)
return;
#endif
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
tr_state->visual->has_modif = 1;
#ifndef GPAC_DISABLE_3D
//in opengl auto mode we still have to clear the canvas
if (!tr_state->immediate_draw && !tr_state->visual->offscreen && tr_state->visual->compositor->hybrid_opengl) {
clear_all = GF_FALSE;
is_offscreen = GF_TRUE;
color &= 0x00FFFFFF;
} else
#endif
return;
}
#ifndef GPAC_DISABLE_3D
if (ctx->flags & CTX_BACKROUND_NOT_LAYER) {
if (clear_all && !tr_state->visual->offscreen && tr_state->visual->compositor->hybrid_opengl) {
compositor_2d_hybgl_clear_surface(tr_state->visual, NULL, color, GF_FALSE);
is_offscreen = GF_TRUE;
color &= 0x00FFFFFF;
//we may need to clear the canvas for immediate mode
}
} else {
is_offscreen = GF_TRUE;
}
#endif
/*direct drawing, draw without clippers */
if (tr_state->immediate_draw
) {
/*directly clear with specified color*/
if (clear_all)
tr_state->visual->ClearSurface(tr_state->visual, &ctx->bi->clip, color, is_offscreen);
} else {
u32 i;
GF_IRect clip;
for (i=0; i<tr_state->visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (tr_state->visual->draw_node_index < tr_state->visual->to_redraw.list[i].opaque_node_index) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &tr_state->visual->to_redraw.list[i].rect);
if (clip.width && clip.height) {
tr_state->visual->ClearSurface(tr_state->visual, &clip, color, is_offscreen);
}
}
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
tr_state->visual->has_modif = 1;
}
void visual_2d_flush_hybgl_canvas(GF_VisualManager *visual, GF_TextureHandler *txh, struct _drawable_context *ctx, GF_TraverseState *tr_state)
{
Bool line_texture = GF_FALSE;
u32 i;
u32 prev_color;
Bool transparent, had_flush = 0;
u32 nb_obj_left_on_canvas = visual->nb_objects_on_canvas_since_last_ogl_flush;
u8 alpha;
if (! visual->hybgl_drawn.count)
return;
//we have drawn things on the canvas before this object, flush canvas to GPU
if (txh && (txh==ctx->aspect.line_texture)) {
line_texture = GF_TRUE;
alpha = GF_COL_A(ctx->aspect.line_color);
prev_color = ctx->aspect.line_color;
ctx->aspect.line_texture = NULL;
ctx->aspect.line_color = 0;
} else {
alpha = GF_COL_A(ctx->aspect.fill_color);
if (!alpha) alpha = GF_COL_A(ctx->aspect.line_color);
prev_color = ctx->aspect.fill_color;
ctx->aspect.fill_texture = NULL;
ctx->aspect.fill_color = 0;
}
transparent = txh ? (txh->transparent || (alpha!=0xFF)) : GF_TRUE;
//clear wherever we have overlap
for (i=0; i<visual->hybgl_drawn.count; i++) {
GF_IRect rc = ctx->bi->clip;
gf_irect_intersect(&ctx->bi->clip, &visual->hybgl_drawn.list[i].rect);
if (ctx->bi->clip.width && ctx->bi->clip.height) {
//if something behind this, flush canvas to gpu
if (transparent) {
if (!had_flush) {
//flush the complete area below this object, regardless of intersections
compositor_2d_hybgl_flush_video(visual->compositor, tr_state->immediate_draw ? NULL : &rc);
had_flush = 1;
}
//if object was not completely in the flush region we will need to flush the canvas
if (gf_irect_inside(&rc, &visual->hybgl_drawn.list[i].rect)) {
assert(nb_obj_left_on_canvas);
nb_obj_left_on_canvas--;
}
}
//erase all part of the canvas below us
if (txh) {
visual_2d_draw_path_extended(visual, ctx->drawable->path, ctx, NULL, NULL, tr_state, NULL, NULL, GF_TRUE);
} else {
visual->compositor->rasterizer->surface_clear(visual->raster_surface, &ctx->bi->clip, 0);
}
}
ctx->bi->clip = rc;
}
if (line_texture) {
ctx->aspect.line_color = prev_color;
ctx->aspect.line_texture = txh;
} else {
ctx->aspect.fill_color = prev_color;
ctx->aspect.fill_texture = txh;
}
if (had_flush) {
visual->nb_objects_on_canvas_since_last_ogl_flush = nb_obj_left_on_canvas;
}
}