initial commit of hand merging, plus getting "ancient" waf script to work correctly

[ardour.git] / libs / canvas / benchmark / render_from_log.cc

diff --git a/libs/canvas/benchmark/render_from_log.cc b/libs/canvas/benchmark/render_from_log.cc
new file mode 100644 (file)
index 0000000..cd064d3
--- /dev/null
+++ b/libs/canvas/benchmark/render_from_log.cc
@@ -0,0 +1,62 @@
+#include <sys/time.h>
+#include <pangomm/init.h>
+#include "pbd/compose.h"
+#include "pbd/xml++.h"
+#include "canvas/group.h"
+#include "canvas/canvas.h"
+#include "canvas/root_group.h"
+#include "canvas/rectangle.h"
+#include "benchmark.h"
+
+using namespace std;
+using namespace ArdourCanvas;
+
+class RenderFromLog : public Benchmark
+{
+public:
+       RenderFromLog (string const & session) : Benchmark (session) {}
+
+       void set_items_per_cell (int items)
+       {
+               _items_per_cell = items;
+       }
+       
+       void do_run (ImageCanvas& canvas)
+       {
+               Group::default_items_per_cell = _items_per_cell;
+               canvas.set_log_renders (false);
+
+               list<Rect> const & renders = canvas.renders ();
+               
+               for (list<Rect>::const_iterator i = renders.begin(); i != renders.end(); ++i) {
+                       canvas.render_to_image (*i);
+               }
+       }
+
+private:
+       int _items_per_cell;
+};
+
+int main (int argc, char* argv[])
+{
+       if (argc < 2) {
+               cerr << "Syntax: render_parts <session>\n";
+               exit (EXIT_FAILURE);
+       }
+
+       Pango::init ();
+
+       RenderFromLog render_from_log (argv[1]);
+
+//     int tests[] = { 16, 32, 64, 128, 256, 512, 1024, 1e4, 1e5, 1e6 };
+       int tests[] = { 16 };
+
+       for (unsigned int i = 0; i < sizeof (tests) / sizeof (int); ++i) {
+               render_from_log.set_items_per_cell (tests[i]);
+               cout << tests[i] << " " << render_from_log.run () << "\n";
+       }
+
+       return 0;
+}
+
+