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[rendercore] omit fg on rgbequal #1316

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nick black 2021-11-29 20:25:42 -05:00 committed by nick black
parent 0761994abb
commit 1be43cb54a
1 changed files with 25 additions and 29 deletions
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54
src/lib/render.c
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@ -1167,15 +1167,37 @@ rasterize_core(notcurses* nc, const ncpile* p, fbuf* f, unsigned phase){
bool nobackground = nccell_nobackground_p(srccell);
bool rgbequal = nccell_rgbequal_p(srccell);
fprintf(stderr, "RGBEQUAL: %u PAL: F %u %u %u B %u %u %u\n", rgbequal, nccell_fg_default_p(srccell), nccell_fg_palindex(srccell), nccell_fg_palindex_p(srccell), nccell_bg_default_p(srccell), nccell_bg_palindex(srccell), nccell_bg_palindex_p(srccell));
rgbequal = false;
// FIXME ought set this based on whether it's whitespace
bool noforeground = false;
if((nccell_fg_default_p(srccell)) || (!nobackground && nccell_bg_default_p(srccell))){
if(raster_defaults(nc, nccell_fg_default_p(srccell),
!nobackground && nccell_bg_default_p(srccell), f)){
return -1;
}
}
if(nccell_fg_palindex_p(srccell)){ // palette-indexed foreground
if(emit_fg_palindex(nc, f, srccell)){
return -1;
}
}else if(!nccell_fg_default_p(srccell)){ // rgb foreground
// if our cell has a non-default foreground, we can elide the
// non-default foreground set iff either:
// * the previous was non-default, and matches what we have now, or
// * we are a no-foreground glyph (iswspace() is true) FIXME
nccell_fg_rgb8(srccell, &r, &g, &b);
if(nc->rstate.fgelidable && nc->rstate.lastr == r && nc->rstate.lastg == g && nc->rstate.lastb == b){
++nc->stats.s.fgelisions;
}else{
if(!rgbequal){ // if rgbequal, no need to set fg
if(term_fg_rgb8(&nc->tcache, f, r, g, b)){
return -1;
}
++nc->stats.s.fgemissions;
nc->rstate.fgelidable = true;
}
}
nc->rstate.lastr = r; nc->rstate.lastg = g; nc->rstate.lastb = b;
nc->rstate.fgdefelidable = false;
nc->rstate.fgpalelidable = false;
}
// we apply the background first because if the fg and bg values are
// same, and they're both rgb (rgbequal), we can emit either a space
// or a full block to avoid an rgb. we prefer to emit the space, doing
@ -1211,34 +1233,8 @@ rgbequal = false;
if(rgbequal){
// FIXME need one per column of original glyph
pool_load_direct(&nc->pool, srccell, " ", 1, 1);
noforeground = true;
}
}
if(noforeground){
++nc->stats.s.fgelisions;
}else if(nccell_fg_palindex_p(srccell)){ // palette-indexed foreground
if(emit_fg_palindex(nc, f, srccell)){
return -1;
}
}else if(!nccell_fg_default_p(srccell)){ // rgb foreground
// if our cell has a non-default foreground, we can elide the
// non-default foreground set iff either:
// * the previous was non-default, and matches what we have now, or
// * we are a no-foreground glyph (iswspace() is true) FIXME
nccell_fg_rgb8(srccell, &r, &g, &b);
if(nc->rstate.fgelidable && nc->rstate.lastr == r && nc->rstate.lastg == g && nc->rstate.lastb == b){
++nc->stats.s.fgelisions;
}else{
if(term_fg_rgb8(&nc->tcache, f, r, g, b)){
return -1;
}
++nc->stats.s.fgemissions;
nc->rstate.fgelidable = true;
}
nc->rstate.lastr = r; nc->rstate.lastg = g; nc->rstate.lastb = b;
nc->rstate.fgdefelidable = false;
nc->rstate.fgpalelidable = false;
}
//fprintf(stderr, "RAST %08x [%s] to %d/%d cols: %u %016" PRIx64 "\n", srccell->gcluster, pool_extended_gcluster(&nc->pool, srccell), y, x, srccell->width, srccell->channels);
// this is used to invalidate the sprixel in the first text round,
// which is only necessary for sixel, not kitty.