1 files changed, 25 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
index bacf089deb1..8d0016a2206 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
@@ -29,6 +29,31 @@ void node_attribute_uniform(vec4 attr, const float attr_hash, out vec4 out_attr)
   out_attr = attr_load_uniform(attr, floatBitsToUint(attr_hash));
 }
 
+vec4 attr_load_layer(const uint attr_hash)
+{
+#ifdef VLATTR_LIB
+  /* The first record of the buffer stores the length. */
+  uint left = 0, right = drw_layer_attrs[0].buffer_length;
+
+  while (left < right) {
+    uint mid = (left + right) / 2;
+    uint hash = drw_layer_attrs[mid].hash_code;
+
+    if (hash < attr_hash) {
+      left = mid + 1;
+    }
+    else if (hash > attr_hash) {
+      right = mid;
+    }
+    else {
+      return drw_layer_attrs[mid].data;
+    }
+  }
+#endif
+
+  return vec4(0.0);
+}
+
 void node_attribute(
     vec4 attr, out vec4 outcol, out vec3 outvec, out float outf, out float outalpha)
 {