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fbcon: update auxvecs on reblit

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nick black 2021-07-23 06:16:29 -04:00
parent cd635316d9
commit 2fb9db77e8
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1 changed files with 23 additions and 2 deletions
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25
src/lib/linux.c
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@ -32,6 +32,7 @@ int fbcon_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec){
int fbcon_blit(struct ncplane* n, int linesize, const void* data,
int leny, int lenx, const struct blitterargs* bargs){
uint32_t transcolor = bargs->transcolor;
int cols = bargs->u.pixel.spx->dimx;
int rows = bargs->u.pixel.spx->dimy;
sprixel* s = bargs->u.pixel.spx;
@ -67,12 +68,32 @@ int fbcon_blit(struct ncplane* n, int linesize, const void* data,
int xcell = c / cdimx;
int tyx = xcell + ycell * bargs->u.pixel.spx->dimx;
if(tam[tyx].state >= SPRIXCELL_ANNIHILATED){
if(rgba_trans_p(*(uint32_t*)src, transcolor)){
ncpixel_set_a((uint32_t*)src, 0); // in case it was transcolor
if(c % cdimx == 0 && l % cdimy == 0){
tam[tyx].state = SPRIXCELL_ANNIHILATED_TRANS;
}
}else{
tam[tyx].state = SPRIXCELL_ANNIHILATED;
}
dst[3] = 0;
// FIXME stash src[3] into auxvec
const int vyx = (l % cdimy) * cdimx + (c % cdimx);
tam[tyx].auxvector[vyx] = src[3];
}else{
if(rgba_trans_p(*(const uint32_t*)src, bargs->transcolor)){
if(rgba_trans_p(*(uint32_t*)src, transcolor)){
ncpixel_set_a((uint32_t*)src, 0); // in case it was transcolor
if(c % cdimx == 0 && l % cdimy == 0){
tam[tyx].state = SPRIXCELL_TRANSPARENT;
}else if(tam[tyx].state == SPRIXCELL_OPAQUE_KITTY){
tam[tyx].state = SPRIXCELL_MIXED_KITTY;
}
dst[3] = 0;
}else{
if(c % cdimx == 0 && l % cdimy == 0){
tam[tyx].state = SPRIXCELL_OPAQUE_KITTY;
}else if(tam[tyx].state == SPRIXCELL_TRANSPARENT){
tam[tyx].state = SPRIXCELL_MIXED_KITTY;
}
memcpy(dst + 3, src + 3, 1);
}
}