X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=effect_chain.cpp;h=aae2941f791ca86faf9ce16cea4912cd9c05fd1b;hb=fdad0932f08649e69e824ee73a787671a5bc93a5;hp=1d84e897add7d95eeeba77267f90dba631743744;hpb=367d5fc610b4111fbf036b0d32becee9118403b2;p=movit

diff --git a/effect_chain.cpp b/effect_chain.cpp
index 1d84e89..aae2941 100644
--- a/effect_chain.cpp
+++ b/effect_chain.cpp
@@ -414,6 +414,65 @@ void EffectChain::construct_glsl_programs(Node *output)
 	std::reverse(phases.begin(), phases.end());
 }
 
+void EffectChain::output_dot(const char *filename)
+{
+	FILE *fp = fopen(filename, "w");
+	if (fp == NULL) {
+		perror(filename);
+		exit(1);
+	}
+
+	fprintf(fp, "digraph G {\n");
+	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) {
+			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_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");
+
+	fclose(fp);
+}
+
 void EffectChain::find_output_size(Phase *phase)
 {
 	Node *output_node = phase->effects.back();
@@ -453,6 +512,8 @@ void EffectChain::find_output_size(Phase *phase)
 
 void EffectChain::finalize()
 {
+	output_dot("final.dot");
+
 	// Find the output effect. This is, simply, one that has no outgoing links.
 	// If there are multiple ones, the graph is malformed (we do not support
 	// multiple outputs right now).