Material: Free gpumaterials before the notree.

This is because gpumaterials can contain references to the tree when doing lazy compilation.

1 files changed, 6 insertions, 4 deletions

diff --git a/source/blender/blenkernel/intern/material.c b/source/blender/blenkernel/intern/material.c
index 0117cfcc022..87a57e2973a 100644
--- a/source/blender/blenkernel/intern/material.c
+++ b/source/blender/blenkernel/intern/material.c
@@ -98,6 +98,9 @@ void BKE_material_free(Material *ma)
 	
 	MEM_SAFE_FREE(ma->ramp_col);
 	MEM_SAFE_FREE(ma->ramp_spec);
+
+	/* Free gpu material before the ntree */
+	GPU_material_free(&ma->gpumaterial);
 	
 	/* is no lib link block, but material extension */
 	if (ma->nodetree) {
@@ -108,8 +111,6 @@ void BKE_material_free(Material *ma)
 
 	MEM_SAFE_FREE(ma->texpaintslot);
 
-	GPU_material_free(&ma->gpumaterial);
-
 	BKE_icon_id_delete((ID *)ma);
 	BKE_previewimg_free(&ma->preview);
 }
@@ -1709,13 +1710,14 @@ void paste_matcopybuf(Material *ma)
 			MEM_freeN(mtex);
 	}
 
+	/* Free gpu material before the ntree */
+	GPU_material_free(&ma->gpumaterial);
+
 	if (ma->nodetree) {
 		ntreeFreeTree(ma->nodetree);
 		MEM_freeN(ma->nodetree);
 	}
 
-	GPU_material_free(&ma->gpumaterial);
-
 	id = (ma->id);
 	memcpy(ma, &matcopybuf, sizeof(Material));
 	(ma->id) = id;