add --instant option for timing checks

marcan · marcan · commit 5b5f1b56620f · 2020-10-15T02:20:27.000+09:00
diff --git a/blitzloop/renderer/gles.py b/blitzloop/renderer/gles.py
@@ -220,8 +220,11 @@ def build(self):
         vbodata = []
         idxdata = []
         for i,g in enumerate(self.line.glyphs):
-            tleft = map_to(map_from(g.x + g.glyph.left, g.tx1, g.tx2), g.t1, g.t2)
-            tright = map_to(map_from(g.x + g.glyph.right, g.tx1, g.tx2), g.t1, g.t2)
+            if get_opts().instant:
+                tleft = tright = g.t1
+            else:
+                tleft = map_to(map_from(g.x + g.glyph.left, g.tx1, g.tx2), g.t1, g.t2)
+                tright = map_to(map_from(g.x + g.glyph.right, g.tx1, g.tx2), g.t1, g.t2)
             const_vbodata = [self.line.start, self.line.end]
             const_vbodata += list(i/255.0 for i in sum(g.colors + g.colors_on, ()))
             vbodata.append(
diff --git a/blitzloop/util.py b/blitzloop/util.py
@@ -68,6 +68,9 @@ def init_argparser():
     parser.add_argument(
         '--fps', default="60", type=int,
         help='Display FPS (required for correct video sync)')
+    parser.add_argument(
+        '--instant', default=False, action='store_true',
+        help='use instant syllable display instead of scrolling')
 
 def get_argparser():
     return configargparse.get_argument_parser()
