now it properly creates the geometry based on the
direction of the line

@@ -0,0 +1,47 @@
+/* SPDX-FileCopyrightText: 2019-2023 Blender Authors

@@ -3237,0 +3240,4 @@
+        continue;
+      }
+      LISTBASE_FOREACH (bPoseChannel *, pchan, &ob->pose->chanbase) {
+        pchan->custom_shape_wire_width = 1.0;

@@ -882,2 +890,3 @@
     OVERLAY_bone_instance_data_set_color_hint(&inst_data, outline_color);
-    OVERLAY_bone_instance_data_set_color(&inst_data, outline_color);
+    inst_data.color_a = encode_2f_to_float(outline_color[0], outline_color[1]);
+    /* Due to the encoding clamping the passed in floats, the wire width needs to be scaled down.

@@ -883,1 +891,3 @@
-    OVERLAY_bone_instance_data_set_color(&inst_data, outline_color);
+    inst_data.color_a = encode_2f_to_float(outline_color[0], outline_color[1]);
+    /* Due to the encoding clamping the passed in floats, the wire width needs to be scaled down.
+     * Keep in sync with the max value of RNA. */

@@ -0,0 +10,4 @@
+  geometry_out.finalColor = color;
+  geometry_noperspective_out.edgeCoord = coord;
+  gl_Position = pos;
+  /* Multiply offset by 2 because gl_Position range is [-1..1]. */

@@ -0,0 +12,4 @@
+  gl_Position = pos;
+  /* Multiply offset by 2 because gl_Position range is [-1..1]. */
+  gl_Position.xy += offset * 2.0 * pos.w;
+  /* Correct but fails due to an AMD compiler bug, see: #62792.

@@ -20,0 +17,4 @@
+  geometry_in.finalColor.a = 1.0;
+  /* Due to packing, the wire width is passed in compressed. If the RNA range is increased, this
+   * needs to change as well. */
+  geometry_in.wire_width = bone_color.a * 16.0;

@@ -0,0 +15,4 @@
+
+  /* Due to packing, the wire width is passed in compressed. If the RNA range is increased, this
+   * needs to change as well. */
+  const float wire_width = bone_color.a * 16.0;

@@ -246,1 +246,4 @@
 
+/* Used in the armature drawing code. Due to the encoding clamping the passed in floats, the wire
+ * width needs to be scaled down. */
+static constexpr float WIRE_WIDTH_COMPRESSION = 16.0f;

@@ -1165,0 +1167,4 @@
+  RNA_def_property_ui_text(
+      prop, "Custom Shape Wire Width", "Adjust the line thickness of custom shapes");
+  /* When increasing the property range,
+   * also modify the geometry shader and overlay_armature.cc. */

@@ -459,2 +464,4 @@
       DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
       DRW_shgroup_uniform_float_copy(grp, "alpha", 1.0f);
+      DRW_shgroup_uniform_bool_copy(grp, "do_smooth_wire", do_smooth_wire);
+      DRW_shgroup_uniform_float_copy(grp, "width_compression", WIRE_WIDTH_COMPRESSION);