Run everything in the same thread.

[synfig.git] / synfig-studio / trunk / src / gtkmm / asyncrenderer.cpp

diff --git a/synfig-studio/trunk/src/gtkmm/asyncrenderer.cpp b/synfig-studio/trunk/src/gtkmm/asyncrenderer.cpp
index 3c64f53..af80957 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/asyncrenderer.cpp
+++ b/synfig-studio/trunk/src/gtkmm/asyncrenderer.cpp
@@ -30,6 +30,7 @@
 #endif
 
 #include "asyncrenderer.h"
+#include "app.h"
 #include <glibmm/thread.h>
 #include <glibmm/dispatcher.h>
 
@@ -87,7 +88,9 @@ public:
                }
        };
        std::list<tile_t> tile_queue;
+#ifndef SINGLE_THREADED
        Glib::Mutex mutex;
+#endif // SINGLE_THREADED
 
 #ifndef GLIB_DISPATCHER_BROKEN
        Glib::Dispatcher tile_ready_signal;
@@ -122,7 +125,9 @@ public:
        }
        void set_dead()
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                alive_flag=false;
        }
 
@@ -158,7 +163,9 @@ public:
                assert(surface);
                if(!alive_flag)
                        return false;
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                tile_queue.push_back(tile_t(surface,gx,gy));
                if(tile_queue.size()==1)
                {
@@ -180,7 +187,9 @@ public:
 
        void tile_ready()
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                if(!alive_flag)
                {
                        tile_queue.clear();
@@ -200,6 +209,7 @@ public:
 
        virtual void end_frame()
        {
+#ifndef SINGLE_THREADED
                while(alive_flag)
                {
                        Glib::Mutex::Lock lock(mutex);
@@ -212,6 +222,7 @@ public:
                                break;
                }
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                if(!alive_flag)
                        return;
                return warm_target->end_frame();
@@ -228,7 +239,9 @@ public:
        int scanline_;
        Surface surface;
 
+#ifndef SINGLE_THREADED
        Glib::Mutex mutex;
+#endif // SINGLE_THREADED
 
 #ifndef GLIB_DISPATCHER_BROKEN
        Glib::Dispatcher frame_ready_signal;
@@ -271,7 +284,9 @@ public:
 
        void set_dead()
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                alive_flag=false;
        }
 
@@ -283,7 +298,9 @@ public:
        virtual void end_frame()
        {
                {
+#ifndef SINGLE_THREADED
                        Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
 
                        if(!alive_flag)
                                return;
@@ -302,18 +319,22 @@ public:
 #endif
                        }
 
+#ifndef SINGLE_THREADED
                while(alive_flag && !ready_next)
                {
                        Glib::Mutex::Lock lock(mutex);
                        if(cond_frame_queue_empty.timed_wait(mutex,Glib::TimeVal(0,BOREDOM_TIMEOUT)))
                                break;
                }
+#endif // SINGLE_THREADED
        }
 
 
        virtual Color * start_scanline(int scanline)
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
 
                return surface[scanline];
        }
@@ -325,7 +346,9 @@ public:
 
        void frame_ready()
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                if(alive_flag)
                        alive_flag=warm_target->add_frame(&surface);
                cond_frame_queue_empty.signal();
@@ -343,6 +366,9 @@ AsyncRenderer::AsyncRenderer(etl::handle<synfig::Target> target_,synfig::Progres
        error(false),
        success(false),
        cb(cb)
+#ifdef SINGLE_THREADED
+       , updating(false)
+#endif // SINGLE_THREADED
 {
        render_thread=0;
        if(etl::handle<synfig::Target_Tile>::cast_dynamic(target_))
@@ -379,16 +405,20 @@ AsyncRenderer::stop()
 {
        if(target)
        {
+#ifndef SINGLE_THREADED
                Glib::Mutex::Lock lock(mutex);
+#endif // SINGLE_THREADED
                done_connection.disconnect();
 
                if(render_thread)
                {
                        signal_stop_();
 
+#ifndef SINGLE_THREADED
 #if REJOIN_ON_STOP
                        render_thread->join();
 #endif
+#endif
 
                        // Make sure all the dispatch crap is cleared out
                        //Glib::MainContext::get_default()->iteration(false);
@@ -426,6 +456,16 @@ AsyncRenderer::start()
        );
 }
 
+#ifdef SINGLE_THREADED
+void
+AsyncRenderer::rendering_progress()
+{
+       updating = true;
+       while(studio::App::events_pending()) studio::App::iteration(false);
+       updating = false;
+}
+#endif // SINGLE_THREADED
+
 void
 AsyncRenderer::start_()
 {
@@ -436,6 +476,11 @@ AsyncRenderer::start_()
                done_connection=signal_done_.connect(mem_fun(*this,&AsyncRenderer::stop));
 #endif
 
+#ifdef SINGLE_THREADED
+               target->signal_progress().connect(sigc::mem_fun(this,&AsyncRenderer::rendering_progress));
+               render_thread = (Glib::Thread*)1;
+               render_target();
+#else // SINGLE_THREADED
                render_thread=Glib::Thread::create(
                        sigc::mem_fun(*this,&AsyncRenderer::render_target),
 #if REJOIN_ON_STOP
@@ -445,6 +490,7 @@ AsyncRenderer::start_()
 #endif
                );
                assert(render_thread);
+#endif // SINGLE_THREADED
        }
        else
        {
@@ -469,7 +515,9 @@ AsyncRenderer::render_target()
 #endif
        }
 
+#ifndef SINGLE_THREADED
        if(mutex.trylock())
+#endif // SINGLE_THREADED
        {
 #ifdef GLIB_DISPATCHER_BROKEN
                done_connection=Glib::signal_timeout().connect(
@@ -482,6 +530,8 @@ AsyncRenderer::render_target()
 #else
                signal_done_.emit();
 #endif
+#ifndef SINGLE_THREADED
                mutex.unlock();
+#endif // SINGLE_THREADED
        }
 }