Add edge information about odd things, such as bounces, resizes and non-standard...

diff --git a/effect_chain.cpp b/effect_chain.cpp
index 4f1900dadfa5e2847b7478ace9a0ba562e28c421..63fcdac68fc8f1a019f179cb664fee243641feb8 100644 (file)
--- a/effect_chain.cpp
+++ b/effect_chain.cpp
@@ -426,7 +426,49 @@ void EffectChain::output_dot(const char *filename)
        for (unsigned i = 0; i < nodes.size(); ++i) {
                fprintf(fp, "  n%ld [label=\"%s\"];\n", (long)nodes[i], nodes[i]->effect->effect_type_id().c_str());
                for (unsigned j = 0; j < nodes[i]->outgoing_links.size(); ++j) {
-                       fprintf(fp, "  n%ld -> n%ld;\n", (long)nodes[i], (long)nodes[i]->outgoing_links[j]);
+                       std::vector<std::string> labels;
+
+                       if (nodes[i]->outgoing_links[j]->effect->needs_texture_bounce()) {
+                               labels.push_back("needs_bounce");
+                       }
+                       if (nodes[i]->effect->changes_output_size()) {
+                               labels.push_back("resize");
+                       }
+
+                       switch (nodes[i]->output_color_space) {
+                       case COLORSPACE_REC_709:
+                               labels.push_back("spc[rec709]");
+                               break;
+                       case COLORSPACE_REC_601_525:
+                               labels.push_back("spc[rec601-525]");
+                               break;
+                       case COLORSPACE_REC_601_625:
+                               labels.push_back("spc[rec601-625]");
+                               break;
+                       default:
+                               break;
+                       }
+
+                       switch (nodes[i]->output_gamma_curve) {
+                       case GAMMA_sRGB:
+                               labels.push_back("gamma[sRGB]");
+                               break;
+                       case GAMMA_REC_601:  // and GAMMA_REC_709
+                               labels.push_back("gamma[rec601/709]");
+                               break;
+                       default:
+                               break;
+                       }
+
+                       if (labels.empty()) {
+                               fprintf(fp, "  n%ld -> n%ld;\n", (long)nodes[i], (long)nodes[i]->outgoing_links[j]);
+                       } else {
+                               std::string label = labels[0];
+                               for (unsigned k = 1; k < labels.size(); ++k) {
+                                       label += ", " + labels[k];
+                               }
+                               fprintf(fp, "  n%ld -> n%ld [label=\"%s\"];\n", (long)nodes[i], (long)nodes[i]->outgoing_links[j], label.c_str());
+                       }
                }
        }
        fprintf(fp, "}\n");