1 files changed, 31 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/extra_wire_frag.glsl b/source/blender/draw/engines/overlay/shaders/extra_wire_frag.glsl
new file mode 100644
index 00000000000..7e469aee18d
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/extra_wire_frag.glsl
@@ -0,0 +1,31 @@
+
+noperspective in vec2 stipple_coord;
+flat in vec2 stipple_start;
+flat in vec4 finalColor;
+
+layout(location = 0) out vec4 fragColor;
+layout(location = 1) out vec4 lineOutput;
+
+void main()
+{
+  fragColor = finalColor;
+
+  /* Stipple */
+  const float dash_width = 6.0;
+  const float dash_factor = 0.5;
+
+  lineOutput = pack_line_data(gl_FragCoord.xy, stipple_start, stipple_coord);
+
+  float dist = distance(stipple_start, stipple_coord);
+
+  if (fragColor.a == 0.0) {
+    /* Disable stippling. */
+    dist = 0.0;
+  }
+
+  fragColor.a = 1.0;
+
+  if (fract(dist / dash_width) > dash_factor) {
+    discard;
+  }
+}
+\ No newline at end of file