diff options
Diffstat (limited to 'intern/cycles/render/graph.cpp')
| -rw-r--r-- | intern/cycles/render/graph.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/intern/cycles/render/graph.cpp b/intern/cycles/render/graph.cpp index 66601fa3502..6e795ef896a 100644 --- a/intern/cycles/render/graph.cpp +++ b/intern/cycles/render/graph.cpp @@ -24,6 +24,7 @@ #include "util_debug.h" #include "util_foreach.h" #include "util_queue.h" +#include "util_logging.h" CCL_NAMESPACE_BEGIN @@ -543,6 +544,7 @@ void ShaderGraph::deduplicate_nodes() ShaderNodeSet scheduled, done; map<ustring, ShaderNodeSet> candidates; queue<ShaderNode*> traverse_queue; + int num_deduplicated = 0; /* Schedule nodes which doesn't have any dependencies. */ foreach(ShaderNode *node, nodes) { @@ -557,8 +559,10 @@ void ShaderGraph::deduplicate_nodes() traverse_queue.pop(); done.insert(node); /* Schedule the nodes which were depending on the current node. */ + bool has_output_links = false; foreach(ShaderOutput *output, node->outputs) { foreach(ShaderInput *input, output->links) { + has_output_links = true; if(scheduled.find(input->parent) != scheduled.end()) { /* Node might not be optimized yet but scheduled already * by other dependencies. No need to re-schedule it. @@ -572,6 +576,10 @@ void ShaderGraph::deduplicate_nodes() } } } + /* Only need to care about nodes that are actually used */ + if(!has_output_links) { + continue; + } /* Try to merge this node with another one. */ ShaderNode *merge_with = NULL; foreach(ShaderNode *other_node, candidates[node->type->name]) { @@ -585,11 +593,16 @@ void ShaderGraph::deduplicate_nodes() for(int i = 0; i < node->outputs.size(); ++i) { relink(node, node->outputs[i], merge_with->outputs[i]); } + num_deduplicated++; } else { candidates[node->type->name].insert(node); } } + + if(num_deduplicated > 0) { + VLOG(1) << "Deduplicated " << num_deduplicated << " nodes."; + } } void ShaderGraph::break_cycles(ShaderNode *node, vector<bool>& visited, vector<bool>& on_stack) @@ -967,6 +980,9 @@ int ShaderGraph::get_num_closures() else if(CLOSURE_IS_GLASS(closure_type)) { num_closures += 2; } + else if(CLOSURE_IS_BSDF_MULTISCATTER(closure_type)) { + num_closures += 2; + } else { ++num_closures; } |