From 558a1652cf771623ac7c7c174aef8f7b148ac7ec Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Sun, 18 Jul 2021 18:11:05 -0400
Subject: [PATCH] fbcon_rebuild, necessary

---
 src/lib/linux.c    | 12 ++++++++++--
 src/lib/sprite.h   |  1 +
 src/lib/termdesc.c |  7 ++++---
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/src/lib/linux.c b/src/lib/linux.c
index 9b4828779..8f4d55e94 100644
--- a/src/lib/linux.c
+++ b/src/lib/linux.c
@@ -18,6 +18,15 @@ int fbcon_wipe(sprixel* s, int ycell, int xcell){
   return -1;
 }
 
+int fbcon_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec){
+  (void)s;
+  (void)ycell;
+  (void)xcell;
+  (void)auxvec;
+  logerror("Not yet implemented\n");
+  return -1;
+}
+
 int fbcon_blit(struct ncplane* n, int linesize, const void* data,
                int leny, int lenx, const struct blitterargs* bargs){
   int cols = bargs->u.pixel.spx->dimx;
@@ -84,9 +93,8 @@ int fbcon_draw(const struct ncpile *p, sprixel* s, FILE* out, int y, int x){
   for(int l = 0 ; l < s->pixy ; ++l){
     // FIXME pixel size isn't necessarily 4B, line isn't necessarily psize*pixx
     size_t offset = ((l + y) * ti->pixx + x) * 4;
-    size_t lsize = ti->pixx * 4;
+    size_t lsize = s->pixx * 4;
     uint8_t* tl = ti->linux_fbuffer + offset;
-    // FIXME draw line
     const char* src = s->glyph + (l * s->pixx * 4);
     memcpy(tl, src, lsize);
   }
diff --git a/src/lib/sprite.h b/src/lib/sprite.h
index cb3efeed7..d88207000 100644
--- a/src/lib/sprite.h
+++ b/src/lib/sprite.h
@@ -170,6 +170,7 @@ int fbcon_wipe(sprixel* s, int ycell, int xcell);
 int sixel_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec);
 int kitty_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec);
 int iterm_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec);
+int fbcon_rebuild(sprixel* s, int ycell, int xcell, uint8_t* auxvec);
 int kitty_rebuild_animation(sprixel* s, int ycell, int xcell, uint8_t* auxvec);
 int sixel_draw(const struct ncpile *p, sprixel* s, FILE* out, int y, int x);
 int kitty_draw(const struct ncpile *p, sprixel* s, FILE* out, int y, int x);
diff --git a/src/lib/termdesc.c b/src/lib/termdesc.c
index a07e7dfe8..3eaa96090 100644
--- a/src/lib/termdesc.c
+++ b/src/lib/termdesc.c
@@ -112,12 +112,13 @@ setup_kitty_bitmaps(tinfo* ti, int fd, int sixel_maxy_pristine){
 // kitty 0.19.3 didn't have C=1, and thus needs sixel_maxy_pristine. it also
 // lacked animation, and thus requires the older interface.
 static inline void
-setup_fbcon_bitmaps(tinfo* ti){
-  // FIXME
+setup_fbcon_bitmaps(tinfo* ti, int fd){
+  ti->pixel_rebuild = fbcon_rebuild;
   ti->pixel_wipe = fbcon_wipe;
   ti->pixel_draw = fbcon_draw;
   ti->pixel_scrub = fbcon_scrub;
   set_pixel_blitter(fbcon_blit);
+  sprite_init(ti, fd);
 }
 
 static bool
@@ -554,7 +555,7 @@ apply_term_heuristics(tinfo* ti, const char* termname, int fd,
     }
     if(ti->linux_fb_fd >= 0){
       termname = "Linux framebuffer";
-      setup_fbcon_bitmaps(ti);
+      setup_fbcon_bitmaps(ti, ti->linux_fb_fd);
     }else{
       termname = "Linux console";
     }