From 3f7fc5f2b9b710faac981f21b616ae7ada47e1e8 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 29 May 2021 12:16:32 +0200
Subject: [PATCH] added CAP_EXTFONT for when font textures are not available
 (i.e., mobile devices)

---
 complex2.cpp | 2 ++
 drawing.cpp  | 4 +++-
 sysconfig.h  | 4 ++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/complex2.cpp b/complex2.cpp
index 36b00c7a..e7dbac5d 100644
--- a/complex2.cpp
+++ b/complex2.cpp
@@ -1229,6 +1229,7 @@ EX namespace dice {
       
       queuecurve(V1, 0xFFFFFFFF, color & 0xFFFFFF9F, PPR::WALL);
       
+      #if !CAP_EXTFONT
       pointfunction pf = [&] (ld x, ld y) {
         hyperpoint hs;
         dynamicval<eGeometry> g(geometry, gSpace534);
@@ -1242,6 +1243,7 @@ EX namespace dice {
       else if(fid == 9) s = "9.";
       else s = its(fid);
       write_in_space(V1, max_glfont_size, dw->faces < 10 ? -1.2 : -.75, s, 0xFFFFFFFF, 0, 8, PPR::WALL, pf);
+      #endif
       }
     }
 
diff --git a/drawing.cpp b/drawing.cpp
index 8ad79a9a..6e90cd27 100644
--- a/drawing.cpp
+++ b/drawing.cpp
@@ -2640,6 +2640,7 @@ EX hyperpoint default_pointfunction(ld x, ld y) {
   return xpush(x) * ypush(y) * C0;
   }
 
+#if !CAP_EXTFONT
 EX void write_in_space(const shiftmatrix& V, int fsize, double size, const string& s, color_t col, int frame IS(0), int align IS(8), PPR prio IS(PPR::TEXT), pointfunction pf IS(default_pointfunction)) {
   init_glfont(fsize);
   glfont_t& f(*(glfont[fsize]));
@@ -2694,9 +2695,10 @@ EX void write_in_space(const shiftmatrix& V, int fsize, double size, const strin
   curvestart = isize(curvedata);
   }
 #endif
+#endif
 
 EX void queuestr(const shiftmatrix& V, double size, const string& chr, color_t col, int frame IS(0), int align IS(8)) {
-  #if CAP_GL
+  #if CAP_GL && !CAP_EXTFONT
   if(vid.usingGL) {
     shiftmatrix V1 ;
     if(GDIM == 3) 
diff --git a/sysconfig.h b/sysconfig.h
index a93165ea..c91818da 100644
--- a/sysconfig.h
+++ b/sysconfig.h
@@ -44,6 +44,10 @@
 #define ISANDROID 0
 #endif
 
+#ifndef CAP_EXTFONT
+#define CAP_EXTFONT (ISIOS || ISANDROID)
+#endif
+
 #ifndef ISSTEAM
 #define ISSTEAM 0
 #endif