e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
/* SPDX-FileCopyrightText: 2017 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup depsgraph
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*/
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#include "DEG_depsgraph_debug.h"
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#include <algorithm>
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#include <cstdarg>
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#include "BLI_compiler_attrs.h"
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#include "BLI_math_base.h"
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#include "intern/depsgraph.h"
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#include "intern/node/deg_node_id.h"
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#include "DNA_ID.h"
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#define NL "\r\n"
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namespace deg = blender::deg;
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namespace blender::deg {
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namespace {
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struct DebugContext {
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FILE *file;
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const Depsgraph *graph;
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const char *label;
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const char *output_filename;
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};
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struct StatsEntry {
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const IDNode *id_node;
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double time;
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};
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/* TODO(sergey): De-duplicate with graphviz relation debugger. */
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void deg_debug_fprintf(const DebugContext &ctx, const char *fmt, ...) ATTR_PRINTF_FORMAT(2, 3);
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void deg_debug_fprintf(const DebugContext &ctx, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vfprintf(ctx.file, fmt, args);
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va_end(args);
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}
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inline double get_node_time(const DebugContext & /*ctx*/, const Node *node)
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{
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/* TODO(sergey): Figure out a nice way to define which exact time
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* we want to show. */
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return node->stats.current_time;
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}
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bool stat_entry_comparator(const StatsEntry &a, const StatsEntry &b)
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{
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return a.time > b.time;
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}
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string gnuplotify_id_code(const string &name)
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{
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return string("") + name[0] + name[1];
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}
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string gnuplotify_name(const string &name)
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{
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string result;
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const int length = name.length();
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for (int i = 0; i < length; i++) {
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const char ch = name[i];
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if (ch == '_') {
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result += R"(\\\)";
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}
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result += ch;
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}
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return result;
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}
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void write_stats_data(const DebugContext &ctx)
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{
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/* Fill in array of all stats which are to be displayed. */
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Vector<StatsEntry> stats;
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stats.reserve(ctx.graph->id_nodes.size());
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for (const IDNode *id_node : ctx.graph->id_nodes) {
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const double time = get_node_time(ctx, id_node);
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if (time == 0.0) {
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continue;
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}
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StatsEntry entry;
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entry.id_node = id_node;
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entry.time = time;
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stats.append(entry);
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}
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/* Sort the data. */
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std::sort(stats.begin(), stats.end(), stat_entry_comparator);
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/* We limit number of entries, otherwise things become unreadable. */
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stats.resize(min_ii(stats.size(), 32));
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std::reverse(stats.begin(), stats.end());
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/* Print data to the file stream. */
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deg_debug_fprintf(ctx, "$data << EOD" NL);
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for (const StatsEntry &entry : stats) {
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deg_debug_fprintf(ctx,
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"\"[%s] %s\",%f" NL,
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gnuplotify_id_code(entry.id_node->id_orig->name).c_str(),
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gnuplotify_name(entry.id_node->id_orig->name + 2).c_str(),
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entry.time);
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}
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deg_debug_fprintf(ctx, "EOD" NL);
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}
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void deg_debug_stats_gnuplot(const DebugContext &ctx)
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{
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/* Data itself. */
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write_stats_data(ctx);
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/* Optional label. */
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if (ctx.label && ctx.label[0]) {
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deg_debug_fprintf(ctx, "set title \"%s\"" NL, ctx.label);
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}
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/* Rest of the commands.
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* TODO(sergey): Need to decide on the resolution somehow. */
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deg_debug_fprintf(ctx, "set terminal pngcairo size 1920,1080" NL);
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deg_debug_fprintf(ctx, "set output \"%s\"" NL, ctx.output_filename);
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deg_debug_fprintf(ctx, "set grid" NL);
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deg_debug_fprintf(ctx, "set datafile separator ','" NL);
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deg_debug_fprintf(ctx, "set style fill solid" NL);
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deg_debug_fprintf(ctx,
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"plot \"$data\" using "
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"($2*0.5):0:($2*0.5):(0.2):yticlabels(1) "
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"with boxxyerrorbars t '' lt rgb \"#406090\"" NL);
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}
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} // namespace
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} // namespace blender::deg
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void DEG_debug_stats_gnuplot(const Depsgraph *depsgraph,
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FILE *fp,
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const char *label,
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const char *output_filename)
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{
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if (depsgraph == nullptr) {
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return;
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}
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deg::DebugContext ctx;
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ctx.file = fp;
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ctx.graph = (deg::Depsgraph *)depsgraph;
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ctx.label = label;
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ctx.output_filename = output_filename;
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deg::deg_debug_stats_gnuplot(ctx);
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}
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