1 files changed, 25 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/overlay_paint_weight_vert.glsl b/source/blender/draw/engines/overlay/shaders/overlay_paint_weight_vert.glsl
new file mode 100644
index 00000000000..cff79d606d6
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/overlay_paint_weight_vert.glsl
@@ -0,0 +1,25 @@
+#pragma BLENDER_REQUIRE(common_view_clipping_lib.glsl)
+#pragma BLENDER_REQUIRE(common_view_lib.glsl)
+
+void main()
+{
+  GPU_INTEL_VERTEX_SHADER_WORKAROUND
+
+  vec3 world_pos = point_object_to_world(pos);
+  gl_Position = point_world_to_ndc(world_pos);
+
+  /* Separate actual weight and alerts for independent interpolation */
+  weight_interp = max(vec2(weight, -weight), 0.0);
+
+  /* Saturate the weight to give a hint of the geometry behind the weights. */
+#ifdef FAKE_SHADING
+  vec3 view_normal = normalize(normal_object_to_view(nor));
+  color_fac = abs(dot(view_normal, light_dir));
+  color_fac = color_fac * 0.9 + 0.1;
+
+#else
+  color_fac = 1.0;
+#endif
+
+  view_clipping_distances(world_pos);
+}