Merge lp:~linaro-graphics-wg/glmark2/demo into lp:glmark2/2011.11

[Alexandros Frantzis]

Demo functionality (missing --annotate option, which I will add tomorrow).

[Jesse Barker (jesse-barker)]

Looks good. I like the new benchmark collection object and the integration of the main loop.

review: Approve

=== modified file 'src/android.cpp'
--- src/android.cpp	2012-02-14 15:29:48 +0000
+++ src/android.cpp	2012-02-15 17:41:11 +0000
@@ -31,21 +31,22 @@
 #include "options.h"
 #include "log.h"
 #include "util.h"
-#include "default-benchmarks.h"
 #include "main-loop.h"
+#include "benchmark-collection.h"
 
 static Canvas *g_canvas;
 static MainLoop *g_loop;
+static BenchmarkCollection *g_benchmark_collection;
 
 class MainLoopAndroid : public MainLoop
 {
 public:
-    MainLoopAndroid(Canvas &canvas) :
-        MainLoop(canvas) {}
-
-    virtual void after_scene_setup() {}
-
-    virtual void before_scene_teardown()
+    MainLoopAndroid(Canvas &canvas, const std::vector<Benchmark *> &benchmarks) :
+        MainLoop(canvas, benchmarks) {}
+
+    virtual void log_scene_info() {}
+
+    virtual void log_scene_result()
     {
         Log::info("%s FPS: %u", scene_->info_string().c_str(),
                                 scene_->average_fps());
@@ -55,12 +56,12 @@
 class MainLoopDecorationAndroid : public MainLoopDecoration
 {
 public:
-    MainLoopDecorationAndroid(Canvas &canvas) :
-        MainLoopDecoration(canvas) {}
-
-    virtual void after_scene_setup() {}
-
-    virtual void before_scene_teardown()
+    MainLoopDecorationAndroid(Canvas &canvas, const std::vector<Benchmark *> &benchmarks) :
+        MainLoopDecoration(canvas, benchmarks) {}
+
+    virtual void log_scene_info() {}
+
+    virtual void log_scene_result()
     {
         Log::info("%s FPS: %u", scene_->info_string().c_str(),
                                 scene_->average_fps());
@@ -186,12 +187,17 @@
     Benchmark::register_scene(*new SceneDesktop(*g_canvas));
     Benchmark::register_scene(*new SceneBuffer(*g_canvas));
 
-    if (Options::show_fps)
-        g_loop = new MainLoopDecorationAndroid(*g_canvas);
-    else
-        g_loop = new MainLoopAndroid(*g_canvas);
+    g_benchmark_collection = new BenchmarkCollection();
+    g_benchmark_collection->populate_from_options();
 
-    g_loop->add_benchmarks();
+    if (g_benchmark_collection->needs_decoration()) {
+        g_loop = new MainLoopDecorationAndroid(*g_canvas,
+                                               g_benchmark_collection->benchmarks());
+    }
+    else {
+        g_loop = new MainLoopAndroid(*g_canvas,
+                                     g_benchmark_collection->benchmarks());
+    }
 }
 
 void
@@ -213,6 +219,7 @@
     static_cast<void>(env);
 
     delete g_loop;
+    delete g_benchmark_collection;
     delete g_canvas;
 }
 

=== added file 'src/benchmark-collection.cpp'
--- src/benchmark-collection.cpp	1970-01-01 00:00:00 +0000
+++ src/benchmark-collection.cpp	2012-02-15 17:41:11 +0000
@@ -0,0 +1,113 @@
+/*
+ * Copyright © 2012 Linaro Limited
+ *
+ * This file is part of the glmark2 OpenGL (ES) 2.0 benchmark.
+ *
+ * glmark2 is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * glmark2.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *  Alexandros Frantzis
+ */
+#include <fstream>
+#include "benchmark-collection.h"
+#include "default-benchmarks.h"
+#include "options.h"
+#include "log.h"
+#include "util.h"
+
+BenchmarkCollection::~BenchmarkCollection()
+{
+    Util::dispose_pointer_vector(benchmarks_);
+}
+
+void
+BenchmarkCollection::add(const std::vector<std::string> &benchmarks)
+{
+    for (std::vector<std::string>::const_iterator iter = benchmarks.begin();
+         iter != benchmarks.end();
+         iter++)
+    {
+        benchmarks_.push_back(new Benchmark(*iter));
+    }
+}
+
+void
+BenchmarkCollection::populate_from_options()
+{
+    if (!Options::benchmarks.empty())
+        add(Options::benchmarks);
+
+    if (!Options::benchmark_files.empty())
+        add_benchmarks_from_files();
+
+    if (!benchmarks_contain_normal_scenes())
+        add(DefaultBenchmarks::get());
+}
+
+bool
+BenchmarkCollection::needs_decoration()
+{
+    for (std::vector<Benchmark *>::const_iterator bench_iter = benchmarks_.begin();
+         bench_iter != benchmarks_.end();
+         bench_iter++)
+    {
+        const Benchmark *bench = *bench_iter;
+        if (bench->needs_decoration())
+            return true;
+    }
+
+    return false;
+}
+
+
+void
+BenchmarkCollection::add_benchmarks_from_files()
+{
+    for (std::vector<std::string>::const_iterator iter = Options::benchmark_files.begin();
+         iter != Options::benchmark_files.end();
+         iter++)
+    {
+        std::ifstream ifs(iter->c_str());
+
+        if (!ifs.fail()) {
+            std::string line;
+
+            while (getline(ifs, line)) {
+                if (!line.empty())
+                    benchmarks_.push_back(new Benchmark(line));
+            }
+        }
+        else {
+            Log::error("Cannot open benchmark file %s\n",
+                       iter->c_str());
+        }
+
+    }
+}
+
+bool
+BenchmarkCollection::benchmarks_contain_normal_scenes()
+{
+    for (std::vector<Benchmark *>::const_iterator bench_iter = benchmarks_.begin();
+         bench_iter != benchmarks_.end();
+         bench_iter++)
+    {
+        const Benchmark *bench = *bench_iter;
+        if (!bench->scene().name().empty())
+            return true;
+    }
+
+    return false;
+}
+

=== added file 'src/benchmark-collection.h'
--- src/benchmark-collection.h	1970-01-01 00:00:00 +0000
+++ src/benchmark-collection.h	2012-02-15 17:41:11 +0000
@@ -0,0 +1,54 @@
+/*
+ * Copyright © 2012 Linaro Limited
+ *
+ * This file is part of the glmark2 OpenGL (ES) 2.0 benchmark.
+ *
+ * glmark2 is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * glmark2.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *  Alexandros Frantzis
+ */
+#include <vector>
+#include <string>
+#include "benchmark.h"
+
+class BenchmarkCollection
+{
+public:
+    BenchmarkCollection() {}
+    ~BenchmarkCollection();
+
+    /*
+     * Adds benchmarks to the collection.
+     */
+    void add(const std::vector<std::string> &benchmarks);
+
+    /*
+     * Populates the collection guided by the global options.
+     */
+    void populate_from_options();
+
+    /*
+     * Whether the benchmarks in this collection need decoration.
+     */
+    bool needs_decoration();
+
+    const std::vector<Benchmark *>& benchmarks() { return benchmarks_; }
+
+private:
+    void add_benchmarks_from_files();
+    bool benchmarks_contain_normal_scenes();
+
+    std::vector<Benchmark *> benchmarks_;
+};

=== modified file 'src/benchmark.cpp'
--- src/benchmark.cpp	2011-10-26 11:12:19 +0000
+++ src/benchmark.cpp	2012-02-15 17:41:11 +0000
@@ -120,6 +120,23 @@
     scene_.unload();
 }
 
+bool
+Benchmark::needs_decoration() const
+{
+    for (vector<OptionPair>::const_iterator iter = options_.begin();
+         iter != options_.end();
+         iter++)
+    {
+        if ((iter->first == "show-fps" && iter->second == "true") ||
+            (iter->first == "title" && !iter->second.empty()))
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 void
 Benchmark::load_options()
 {

=== modified file 'src/benchmark.h'
--- src/benchmark.h	2012-01-17 15:41:29 +0000
+++ src/benchmark.h	2012-02-15 17:41:11 +0000
@@ -91,6 +91,11 @@
     void teardown_scene();
 
     /**
+     * Whether the benchmark needs extra decoration.
+     */
+    bool needs_decoration() const;
+
+    /**
      * Registers a Scene, so that it becomes accessible by name.
      */
     static void register_scene(Scene &scene);

=== modified file 'src/main-loop.cpp'
--- src/main-loop.cpp	2012-02-14 13:08:26 +0000
+++ src/main-loop.cpp	2012-02-15 17:41:11 +0000
@@ -23,26 +23,20 @@
 #include "main-loop.h"
 #include "util.h"
 #include "log.h"
-#include "default-benchmarks.h"
 
 #include <string>
 #include <sstream>
-#include <fstream>
 
 /************
  * MainLoop *
  ************/
 
-MainLoop::MainLoop(Canvas &canvas) :
-    canvas_(canvas)
+MainLoop::MainLoop(Canvas &canvas, const std::vector<Benchmark *> &benchmarks) :
+    canvas_(canvas), benchmarks_(benchmarks)
 {
     reset();
 }
 
-MainLoop::~MainLoop()
-{
-    Util::dispose_pointer_vector(benchmarks_);
-}
 
 void
 MainLoop::reset()
@@ -53,28 +47,6 @@
     bench_iter_ = benchmarks_.begin();
 }
 
-void
-MainLoop::add_benchmarks()
-{
-    if (!Options::benchmarks.empty())
-        add_custom_benchmarks();
-
-    if (!Options::benchmark_files.empty())
-        add_custom_benchmarks_from_files();
-
-    if (!benchmarks_contain_normal_scenes())
-        add_default_benchmarks();
-
-    bench_iter_ = benchmarks_.begin();
-}
-
-void
-MainLoop::add_benchmarks(const std::vector<Benchmark *> &benchmarks)
-{
-    benchmarks_.insert(benchmarks_.end(), benchmarks.begin(), benchmarks.end());
-    bench_iter_ = benchmarks_.begin();
-}
-
 unsigned int
 MainLoop::score()
 {
@@ -102,7 +74,7 @@
             else
                 break;
 
-            bench_iter_++;
+            next_benchmark();
         }
 
         /* If we have found a valid scene, set it up */
@@ -112,6 +84,7 @@
             before_scene_setup();
             scene_ = &(*bench_iter_)->setup_scene();
             after_scene_setup();
+            log_scene_info();
         }
         else {
             /* ... otherwise we are done */
@@ -130,10 +103,10 @@
      */
     if (!scene_->running() || should_quit) {
         score_ += scene_->average_fps();
-        before_scene_teardown();
+        log_scene_result();
         (*bench_iter_)->teardown_scene();
         scene_ = 0;
-        bench_iter_++;
+        next_benchmark();
         benchmarks_run_++;
     }
 
@@ -152,90 +125,34 @@
 }
 
 void
-MainLoop::after_scene_setup()
+MainLoop::log_scene_info()
 {
     Log::info("%s", scene_->info_string().c_str());
     Log::flush();
 }
 
 void
-MainLoop::before_scene_teardown()
+MainLoop::log_scene_result()
 {
     static const std::string format(Log::continuation_prefix + " FPS: %u\n");
     Log::info(format.c_str(), scene_->average_fps());
 }
 
 void
-MainLoop::add_default_benchmarks()
-{
-    const std::vector<std::string> &default_benchmarks = DefaultBenchmarks::get();
-
-    for (std::vector<std::string>::const_iterator iter = default_benchmarks.begin();
-         iter != default_benchmarks.end();
-         iter++)
-    {
-        benchmarks_.push_back(new Benchmark(*iter));
-    }
-}
-
-void
-MainLoop::add_custom_benchmarks()
-{
-    for (std::vector<std::string>::const_iterator iter = Options::benchmarks.begin();
-         iter != Options::benchmarks.end();
-         iter++)
-    {
-        benchmarks_.push_back(new Benchmark(*iter));
-    }
-}
-
-void
-MainLoop::add_custom_benchmarks_from_files()
-{
-    for (std::vector<std::string>::const_iterator iter = Options::benchmark_files.begin();
-         iter != Options::benchmark_files.end();
-         iter++)
-    {
-        std::ifstream ifs(iter->c_str());
-
-        if (!ifs.fail()) {
-            std::string line;
-
-            while (getline(ifs, line)) {
-                if (!line.empty())
-                    benchmarks_.push_back(new Benchmark(line));
-            }
-        }
-        else {
-            Log::error("Cannot open benchmark file %s\n",
-                       iter->c_str());
-        }
-
-    }
-}
-
-bool
-MainLoop::benchmarks_contain_normal_scenes()
-{
-    for (std::vector<Benchmark *>::const_iterator bench_iter = benchmarks_.begin();
-         bench_iter != benchmarks_.end();
-         bench_iter++)
-    {
-        const Benchmark *bench = *bench_iter;
-        if (!bench->scene().name().empty())
-            return true;
-    }
-
-    return false;
-}
-
+MainLoop::next_benchmark()
+{
+    bench_iter_++;
+    if (bench_iter_ == benchmarks_.end() && Options::run_forever)
+        bench_iter_ = benchmarks_.begin();
+}
 
 /**********************
  * MainLoopDecoration *
  **********************/
 
-MainLoopDecoration::MainLoopDecoration(Canvas &canvas) :
-    MainLoop(canvas), fps_renderer_(0), last_fps_(0)
+MainLoopDecoration::MainLoopDecoration(Canvas &canvas, const std::vector<Benchmark *> &benchmarks) :
+    MainLoop(canvas, benchmarks), show_fps_(false), show_title_(false),
+    fps_renderer_(0), title_renderer_(0), last_fps_(0)
 {
 
 }
@@ -244,36 +161,79 @@
 {
     delete fps_renderer_;
     fps_renderer_ = 0;
+    delete title_renderer_;
+    title_renderer_ = 0;
 }
 
 void
 MainLoopDecoration::draw()
 {
     static const unsigned int fps_interval = 500000;
-    uint64_t now = Util::get_timestamp_us();
 
     canvas_.clear();
 
     scene_->draw();
     scene_->update();
 
-    if (now - fps_timestamp_ >= fps_interval) {
-        last_fps_ = scene_->average_fps();
+    if (show_fps_) {
+        uint64_t now = Util::get_timestamp_us();
+        if (now - fps_timestamp_ >= fps_interval) {
+            last_fps_ = scene_->average_fps();
+            fps_renderer_update_text(last_fps_);
+            fps_timestamp_ = now;
+        }
+        fps_renderer_->render();
+    }
+
+    if (show_title_)
+        title_renderer_->render();
+
+    canvas_.update();
+}
+
+void
+MainLoopDecoration::before_scene_setup()
+{
+    delete fps_renderer_;
+    fps_renderer_ = 0;
+    delete title_renderer_;
+    title_renderer_ = 0;
+}
+
+void
+MainLoopDecoration::after_scene_setup()
+{
+    const Scene::Option &show_fps_option(scene_->options().find("show-fps")->second);
+    const Scene::Option &title_option(scene_->options().find("title")->second);
+    show_fps_ = show_fps_option.value == "true";
+    show_title_ = !title_option.value.empty();
+
+    if (show_fps_) {
+        const Scene::Option &fps_pos_option(scene_->options().find("fps-pos")->second);
+        const Scene::Option &fps_size_option(scene_->options().find("fps-size")->second);
+        fps_renderer_ = new TextRenderer(canvas_);
+        fps_renderer_->position(vec2_from_pos_string(fps_pos_option.value));
+        fps_renderer_->size(Util::fromString<float>(fps_size_option.value));
         fps_renderer_update_text(last_fps_);
-        fps_timestamp_ = now;
-    }
-    fps_renderer_->render();
-
-    canvas_.update();
-}
-
-void
-MainLoopDecoration::before_scene_setup()
-{
-    delete fps_renderer_;
-    fps_renderer_ = new TextRenderer(canvas_);
-    fps_renderer_update_text(last_fps_);
-    fps_timestamp_ = Util::get_timestamp_us();
+        fps_timestamp_ = Util::get_timestamp_us();
+    }
+
+    if (show_title_) {
+        const Scene::Option &title_pos_option(scene_->options().find("title-pos")->second);
+        const Scene::Option &title_size_option(scene_->options().find("title-size")->second);
+        title_renderer_ = new TextRenderer(canvas_);
+        title_renderer_->position(vec2_from_pos_string(title_pos_option.value));
+        title_renderer_->size(Util::fromString<float>(title_size_option.value));
+
+        if (title_option.value == "#info#")
+            title_renderer_->text(scene_->info_string());
+        else if (title_option.value == "#name#")
+            title_renderer_->text(scene_->name());
+        else if (title_option.value == "#r2d2#")
+            title_renderer_->text("Help me, Obi-Wan Kenobi. You're my only hope.");
+        else
+            title_renderer_->text(title_option.value);
+    }
 }
 
 void
@@ -284,12 +244,28 @@
     fps_renderer_->text(ss.str());
 }
 
+LibMatrix::vec2
+MainLoopDecoration::vec2_from_pos_string(const std::string &s)
+{
+    LibMatrix::vec2 v(0.0, 0.0);
+    std::vector<std::string> elems;
+    Util::split(s, ',', elems);
+
+    if (elems.size() > 0)
+        v.x(Util::fromString<float>(elems[0]));
+
+    if (elems.size() > 1)
+        v.y(Util::fromString<float>(elems[1]));
+
+    return v;
+}
+
 /**********************
  * MainLoopValidation *
  **********************/
 
-MainLoopValidation::MainLoopValidation(Canvas &canvas) :
-        MainLoop(canvas)
+MainLoopValidation::MainLoopValidation(Canvas &canvas, const std::vector<Benchmark *> &benchmarks) :
+        MainLoop(canvas, benchmarks)
 {
 }
 
@@ -307,7 +283,7 @@
 }
 
 void
-MainLoopValidation::before_scene_teardown()
+MainLoopValidation::log_scene_result()
 {
     static const std::string format(Log::continuation_prefix + " Validation: %s\n");
     std::string result;

=== modified file 'src/main-loop.h'
--- src/main-loop.h	2012-02-14 13:08:26 +0000
+++ src/main-loop.h	2012-02-15 17:41:11 +0000
@@ -25,6 +25,7 @@
 #include "canvas.h"
 #include "benchmark.h"
 #include "text-renderer.h"
+#include "vec.h"
 #include <vector>
 
 /**
@@ -33,9 +34,9 @@
 class MainLoop
 {
 public:
-    MainLoop(Canvas &canvas);
+    MainLoop(Canvas &canvas, const std::vector<Benchmark *> &benchmarks);
 
-    virtual ~MainLoop();
+    virtual ~MainLoop() {}
 
     /**
      * Resets the main loop.
@@ -45,19 +46,6 @@
      */
     void reset();
 
-    /** 
-     * Adds benchmarks.
-     * 
-     * This method takes into account benchmark related command line options
-     * to decide which benchmarks to add.
-     */
-    void add_benchmarks();
-
-    /** 
-     * Adds user defined benchmarks.
-     */
-    void add_benchmarks(const std::vector<Benchmark *> &benchmarks);
-
     /**
      * Gets the current total benchmarking score.
      */
@@ -83,27 +71,27 @@
     /**
      * Overridable method for post scene-setup customizations.
      */
-    virtual void after_scene_setup();
-
-    /**
-     * Overridable method for pre scene-teardown customizations.
-     */
-    virtual void before_scene_teardown();
+    virtual void after_scene_setup() {}
+
+    /**
+     * Overridable method for logging scene info.
+     */
+    virtual void log_scene_info();
+
+    /**
+     * Overridable method for logging scene result.
+     */
+    virtual void log_scene_result();
 
 protected:
+    void next_benchmark();
     Canvas &canvas_;
     Scene *scene_;
-    std::vector<Benchmark *> benchmarks_;
+    const std::vector<Benchmark *> &benchmarks_;
     unsigned int score_;
     unsigned int benchmarks_run_;
 
     std::vector<Benchmark *>::const_iterator bench_iter_;
-
-private:
-    void add_default_benchmarks();
-    void add_custom_benchmarks();
-    void add_custom_benchmarks_from_files();
-    bool benchmarks_contain_normal_scenes();
 };
 
 /**
@@ -112,15 +100,21 @@
 class MainLoopDecoration : public MainLoop
 {
 public:
-    MainLoopDecoration(Canvas &canvas);
+    MainLoopDecoration(Canvas &canvas, const std::vector<Benchmark *> &benchmarks);
     virtual ~MainLoopDecoration();
 
     virtual void draw();
     virtual void before_scene_setup();
+    virtual void after_scene_setup();
 
 protected:
     void fps_renderer_update_text(unsigned int fps);
+    LibMatrix::vec2 vec2_from_pos_string(const std::string &s);
+
+    bool show_fps_;
+    bool show_title_;
     TextRenderer *fps_renderer_;
+    TextRenderer *title_renderer_;
     unsigned int last_fps_;
     uint64_t fps_timestamp_;
 };
@@ -131,10 +125,10 @@
 class MainLoopValidation : public MainLoop
 {
 public:
-    MainLoopValidation(Canvas &canvas);
+    MainLoopValidation(Canvas &canvas, const std::vector<Benchmark *> &benchmarks);
 
     virtual void draw();
-    virtual void before_scene_teardown();
+    virtual void log_scene_result();
 };
 
 #endif /* GLMARK2_MAIN_LOOP_H_ */

=== modified file 'src/main.cpp'
--- src/main.cpp	2012-02-14 13:08:26 +0000
+++ src/main.cpp	2012-02-15 17:41:11 +0000
@@ -28,9 +28,9 @@
 #include "options.h"
 #include "log.h"
 #include "util.h"
-#include "default-benchmarks.h"
 #include "text-renderer.h"
 #include "main-loop.h"
+#include "benchmark-collection.h"
 
 #include <iostream>
 #include <fstream>
@@ -111,24 +111,33 @@
 void
 do_benchmark(Canvas &canvas)
 {
-    MainLoop loop_normal(canvas);
-    MainLoopDecoration loop_decoration(canvas);
+    BenchmarkCollection benchmark_collection;
+    MainLoop *loop;
 
-    MainLoop &loop(Options::show_fps ? loop_decoration : loop_normal);
-    loop.add_benchmarks();
+    benchmark_collection.populate_from_options();
     
-    while (loop.step());
-
-    Log::info("=======================================================\n");
-    Log::info("                                  glmark2 Score: %u \n", loop.score());
-    Log::info("=======================================================\n");
+    if (benchmark_collection.needs_decoration())
+        loop = new MainLoopDecoration(canvas, benchmark_collection.benchmarks());
+    else
+        loop = new MainLoop(canvas, benchmark_collection.benchmarks());
+
+    while (loop->step());
+
+    Log::info("=======================================================\n");
+    Log::info("                                  glmark2 Score: %u \n", loop->score());
+    Log::info("=======================================================\n");
+
+    delete loop;
 }
 
 void
 do_validation(Canvas &canvas)
 {
-    MainLoopValidation loop(canvas);
-    loop.add_benchmarks();
+    BenchmarkCollection benchmark_collection;
+
+    benchmark_collection.populate_from_options();
+
+    MainLoopValidation loop(canvas, benchmark_collection.benchmarks());
 
     while (loop.step());
 }

=== modified file 'src/options.cpp'
--- src/options.cpp	2012-01-27 12:10:17 +0000
+++ src/options.cpp	2012-02-15 17:41:11 +0000
@@ -38,9 +38,9 @@
 bool Options::list_scenes = false;
 bool Options::show_all_options = false;
 bool Options::show_debug = false;
-bool Options::show_fps = false;
 bool Options::show_help = false;
 bool Options::reuse_context = false;
+bool Options::run_forever = false;
 
 static struct option long_options[] = {
     {"benchmark", 1, 0, 0},
@@ -48,10 +48,10 @@
     {"validate", 0, 0, 0},
     {"no-swap-buffers", 0, 0, 0},
     {"reuse-context", 0, 0, 0},
+    {"run-forever", 0, 0, 0},
     {"size", 1, 0, 0},
     {"list-scenes", 0, 0, 0},
     {"show-all-options", 0, 0, 0},
-    {"show-fps", 0, 0, 0},
     {"debug", 0, 0, 0},
     {"help", 0, 0, 0},
     {0, 0, 0, 0}
@@ -103,8 +103,8 @@
            "                         and their options\n"
            "      --show-all-options Show all scene option values used for benchmarks\n"
            "                         (only explicitly set options are shown by default)\n"
-           "      --show-fps         Show live FPS count on screen (showing live FPS\n"
-           "                         affects benchmarking results, use with care!)\n"
+           "      --run-forever      Run indefinitely, looping from the last benchmark\n"
+           "                         back to the first\n"
            "  -d, --debug            Display debug messages\n"
            "  -h, --help             Display help\n");
 }
@@ -143,8 +143,8 @@
             Options::list_scenes = true;
         else if (!strcmp(optname, "show-all-options"))
             Options::show_all_options = true;
-        else if (!strcmp(optname, "show-fps"))
-            Options::show_fps = true;
+        else if (!strcmp(optname, "run-forever"))
+            Options::run_forever = true;
         else if (c == 'd' || !strcmp(optname, "debug"))
             Options::show_debug = true;
         else if (c == 'h' || !strcmp(optname, "help"))

=== modified file 'src/options.h'
--- src/options.h	2012-01-18 17:13:28 +0000
+++ src/options.h	2012-02-15 17:41:11 +0000
@@ -39,9 +39,9 @@
     static bool list_scenes;
     static bool show_all_options;
     static bool show_debug;
-    static bool show_fps;
     static bool show_help;
     static bool reuse_context;
+    static bool run_forever;
 };
 
 #endif /* OPTIONS_H_ */

=== modified file 'src/scene.cpp'
--- src/scene.cpp	2012-02-09 01:28:16 +0000
+++ src/scene.cpp	2012-02-15 17:41:11 +0000
@@ -46,6 +46,20 @@
     options_["fragment-precision"] = Scene::Option("fragment-precision",
                                                    "default,default,default,default",
                                                    "The precision values for the fragment shader (\"int,float,sampler2d,samplercube\")");
+    /* FPS options */
+    options_["show-fps"] = Scene::Option("show-fps", "false",
+                                         "Show live FPS counter");
+    options_["fps-pos"] = Scene::Option("fps-pos", "-1.0,-1.0",
+                                         "The position on screen where to show FPS");
+    options_["fps-size"] = Scene::Option("fps-size", "0.03",
+                                         "The width of each glyph for the FPS");
+    /* Title options */
+    options_["title"] = Scene::Option("title", "",
+                                      "The scene title to show");
+    options_["title-pos"] = Scene::Option("title-pos", "-0.7,-1.0",
+                                      "The position on screen where to show the title");
+    options_["title-size"] = Scene::Option("title-size", "0.03",
+                                           "The width of each glyph in the title");
 }
 
 Scene::~Scene()