1 files changed, 34 insertions, 0 deletions
diff --git a/source/blender/draw/intern/shaders/common_subdiv_normals_finalize_comp.glsl b/source/blender/draw/intern/shaders/common_subdiv_normals_finalize_comp.glsl
new file mode 100644
index 00000000000..84cd65d4161
--- /dev/null
+++ b/source/blender/draw/intern/shaders/common_subdiv_normals_finalize_comp.glsl
@@ -0,0 +1,34 @@
+
+/* To be compile with common_subdiv_lib.glsl */
+
+layout(std430, binding = 0) readonly buffer inputNormals
+{
+  vec3 vertex_normals[];
+};
+
+layout(std430, binding = 1) readonly buffer inputSubdivVertLoopMap
+{
+  uint vert_loop_map[];
+};
+
+layout(std430, binding = 2) buffer outputPosNor
+{
+  PosNorLoop pos_nor[];
+};
+
+void main()
+{
+  /* We execute for each quad. */
+  uint quad_index = get_global_invocation_index();
+  if (quad_index >= total_dispatch_size) {
+    return;
+  }
+
+  uint start_loop_index = quad_index * 4;
+
+  for (int i = 0; i < 4; i++) {
+    uint subdiv_vert_index = vert_loop_map[start_loop_index + i];
+    vec3 nor = vertex_normals[subdiv_vert_index];
+    set_vertex_nor(pos_nor[start_loop_index + i], nor);
+  }
+}