static u32 register_context_rect(GF_RectArray *ra, DrawableContext *ctx, u32 ctx_idx, DrawableContext **first_opaque)
{
u32 i;
Bool needs_redraw;
#ifdef TRACK_OPAQUE_REGIONS
Bool is_transparent = 1;
#endif
GF_IRect *rc = &ctx->bi->clip;
assert(rc->width && rc->height);
/*node is modified*/
needs_redraw = (ctx->flags & CTX_REDRAW_MASK) ? 1 : 0;
#ifndef GPAC_DISABLE_3D
if (ctx->flags & CTX_HYBOGL_NO_CLEAR) {
return 2;
}
#endif
/*node is not transparent*/
if ((ctx->flags & CTX_NO_ANTIALIAS) && !(ctx->flags & CTX_IS_TRANSPARENT) ) {
#ifdef TRACK_OPAQUE_REGIONS
is_transparent = 0;
#endif
if ((*first_opaque==NULL) && needs_redraw) *first_opaque = ctx;
}
for (i=0; i<ra->count; i++) {
if (needs_redraw) {
switch (gf_irect_relation(&ra->list[i].rect, rc)) {
/*context intersects an existing rectangle, merge them and remove opaque idx info*/
case 1:
gf_irect_union(&ra->list[i].rect, rc);
#ifdef TRACK_OPAQUE_REGIONS
ra->list[i].opaque_node_index = 0;
#endif
return 1;
/*context covers an existing rectangle, replace rect and add opaque idx info*/
case 2:
ra->list[i].rect= *rc;
#ifdef TRACK_OPAQUE_REGIONS
ra->list[i].opaque_node_index = is_transparent ? 0 : ctx_idx;
#endif
return 1;
}
}
#ifdef TRACK_OPAQUE_REGIONS
/*context unchanged coverring an entire area*/
else if (!is_transparent && gf_irect_inside(rc, &ra->list[i].rect)) {
/*remove rect*/
u32 k = ra->count - i - 1;
if (k) {
memmove(&ra->list[i], & ra->list[i+1], sizeof(GF_RectArrayEntry)*k);
}
ra->count--;
i--;
}
#endif
}
/*not found, add rect*/
if (needs_redraw) {
ra_add(ra, rc);
#ifdef TRACK_OPAQUE_REGIONS
ra->list[ra->count-1].opaque_node_index = is_transparent ? 0 : ctx_idx;
#endif
}
return 1;
}
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;
}
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;
}
}