Patch_2

leenkx/blender/lnx/material/make_shader.py

@@ -56,6 +56,9 @@ def build(material: Material, mat_users: Dict[Material, List[Object]], mat_lnxus
     if mat_state.output_node is None:
         # Place empty material output to keep compiler happy..
         mat_state.output_node = mat_state.nodes.new('ShaderNodeOutputMaterial')
+    
+    # reset for each material
+    mat_state.needs_sss = False
 
     wrd = bpy.data.worlds['Lnx']
     rpdat = lnx.utils.get_rp()
@@ -130,7 +133,8 @@ def build(material: Material, mat_users: Dict[Material, List[Object]], mat_lnxus
         shader_data_path = lnx.utils.get_fp_build() + '/compiled/Shaders/' + shader_data_name + '.lnx'
         assets.add_shader_data(shader_data_path)
 
-    return rpasses, mat_state.data, shader_data_name, bind_constants, bind_textures
+    needs_sss_result = mat_state.needs_sss
+    return rpasses, mat_state.data, shader_data_name, bind_constants, bind_textures, needs_sss_result
 
 
 def write_shaders(rel_path: str, con: ShaderContext, rpass: str, matname: str) -> None:
@@ -146,6 +150,11 @@ def write_shader(rel_path: str, shader: Shader, ext: str, rpass: str, matname: s
     if shader is None or shader.is_linked:
         return
 
+    validation_issues = shader.validate()
+    if validation_issues:
+        for issue in validation_issues:
+            log.warn(f"Shader validation issue in {matname}_{rpass}.{ext}: {issue}. ")
+
     # TODO: blend context
     if rpass == 'mesh' and mat_state.material.lnx_blending:
         rpass = 'blend'