1 files changed, 17 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/overlay_armature_envelope_solid_frag.glsl b/source/blender/draw/engines/overlay/shaders/overlay_armature_envelope_solid_frag.glsl
new file mode 100644
index 00000000000..a90d2e3e406
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/overlay_armature_envelope_solid_frag.glsl
@@ -0,0 +1,17 @@
+
+void main()
+{
+  float n = normalize(normalView).z;
+  if (isDistance) {
+    n = 1.0 - clamp(-n, 0.0, 1.0);
+    fragColor = vec4(1.0, 1.0, 1.0, 0.33 * alpha) * n;
+  }
+  else {
+    /* Smooth lighting factor. */
+    const float s = 0.2; /* [0.0-0.5] range */
+    float fac = clamp((n * (1.0 - s)) + s, 0.0, 1.0);
+    fragColor.rgb = mix(finalStateColor, finalBoneColor, fac * fac);
+    fragColor.a = alpha;
+  }
+  lineOutput = vec4(0.0);
+}