1 files changed, 22 insertions, 0 deletions
diff --git a/source/blender/nodes/NOD_shader.h b/source/blender/nodes/NOD_shader.h
index 76c174201e8..65720fc119b 100644
--- a/source/blender/nodes/NOD_shader.h
+++ b/source/blender/nodes/NOD_shader.h
@@ -143,6 +143,28 @@ void register_node_type_sh_tex_white_noise(void);
 
 void register_node_type_sh_custom_group(bNodeType *ntype);
 
+struct bNodeTreeExec *ntreeShaderBeginExecTree(struct bNodeTree *ntree);
+void ntreeShaderEndExecTree(struct bNodeTreeExec *exec);
+
+
+/**
+ * Find an output node of the shader tree.
+ *
+ * \note it will only return output which is NOT in the group, which isn't how
+ * render engines works but it's how the GPU shader compilation works. This we
+ * can change in the future and make it a generic function, but for now it stays
+ * private here.
+ */
+struct bNode *ntreeShaderOutputNode(struct bNodeTree *ntree, int target);
+
+/**
+ * This one needs to work on a local tree.
+ */
+void ntreeGPUMaterialNodes(struct bNodeTree *localtree,
+                           struct GPUMaterial *mat,
+                           bool *has_surface_output,
+                           bool *has_volume_output);
+
 #ifdef __cplusplus
 }
 #endif