diff options
Diffstat (limited to 'intern/cycles/render/shader.cpp')
| -rw-r--r-- | intern/cycles/render/shader.cpp | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp index abb9e19a074..51b7f76b9d5 100644 --- a/intern/cycles/render/shader.cpp +++ b/intern/cycles/render/shader.cpp @@ -200,7 +200,7 @@ Shader::Shader() used = false; need_update = true; - need_update_attributes = true; + need_update_mesh = true; } Shader::~Shader() @@ -235,9 +235,24 @@ void Shader::set_graph(ShaderGraph *graph_) /* do this here already so that we can detect if mesh or object attributes * are needed, since the node attribute callbacks check if their sockets * are connected but proxy nodes should not count */ - if(graph_) + if(graph_) { graph_->remove_proxy_nodes(); + if(displacement_method != DISPLACE_BUMP) { + graph_->compute_displacement_hash(); + } + } + + /* update geometry if displacement changed */ + if(displacement_method != DISPLACE_BUMP) { + const char *old_hash = (graph)? graph->displacement_hash.c_str() : ""; + const char *new_hash = (graph_)? graph_->displacement_hash.c_str() : ""; + + if(strcmp(old_hash, new_hash) != 0) { + need_update_mesh = true; + } + } + /* assign graph */ delete graph; graph = graph_; @@ -294,9 +309,9 @@ void Shader::tag_update(Scene *scene) } /* compare if the attributes changed, mesh manager will check - * need_update_attributes, update the relevant meshes and clear it. */ + * need_update_mesh, update the relevant meshes and clear it. */ if(attributes.modified(prev_attributes)) { - need_update_attributes = true; + need_update_mesh = true; scene->mesh_manager->need_update = true; } |