X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/54b9e2790954b623c99823ab64782d4e39c128bf..619eb71144de89c98d651bdbc55e424a20bca4a5:/lib/gdi/grc.cpp

diff --git a/lib/gdi/grc.cpp b/lib/gdi/grc.cpp
index 99fe0859..e00bd540 100644
--- a/lib/gdi/grc.cpp
+++ b/lib/gdi/grc.cpp
@@ -1,5 +1,5 @@
 // for debugging use:
-#define SYNC_PAINT
+// #define SYNC_PAINT
 #include <unistd.h>
 #ifndef SYNC_PAINT
 #include <pthread.h>
@@ -10,25 +10,28 @@
 #include <lib/base/init.h>
 #include <lib/base/init_num.h>
 
-#define MAXSIZE 1024
-
 #ifndef SYNC_PAINT
 void *gRC::thread_wrapper(void *ptr)
 {
-	nice(3);
 	return ((gRC*)ptr)->thread();
 }
 #endif
 
 gRC *gRC::instance=0;
 
-gRC::gRC(): queue(2048), m_notify_pump(eApp, 0), queuelock(MAXSIZE)
+gRC::gRC(): rp(0), wp(0)
+#ifdef SYNC_PAINT
+,m_notify_pump(eApp, 0)
+#else
+,m_notify_pump(eApp, 1)
+#endif
 {
 	ASSERT(!instance);
 	instance=this;
-	queuelock.lock(MAXSIZE);
 	CONNECT(m_notify_pump.recv_msg, gRC::recv_notify);
 #ifndef SYNC_PAINT
+	pthread_mutex_init(&mutex, 0);
+	pthread_cond_init(&cond, 0);
 	int res = pthread_create(&the_thread, 0, thread_wrapper, this);
 	if (res)
 		eFatal("RC thread couldn't be created");
@@ -53,25 +56,81 @@ gRC::~gRC()
 #endif
 }
 
+void gRC::submit(const gOpcode &o)
+{
+	while(1)
+	{
+#ifndef SYNC_PAINT
+		pthread_mutex_lock(&mutex);
+#endif
+		int tmp=wp;
+		tmp+=1;
+		if ( tmp == MAXSIZE )
+			tmp=0;
+		if ( tmp == rp )
+		{
+#ifndef SYNC_PAINT
+			pthread_mutex_unlock(&mutex);
+#else
+			thread();
+#endif
+			//printf("render buffer full...\n");
+			//fflush(stdout);
+			usleep(1000);  // wait 1 msec
+			continue;
+		}
+		int free=rp-wp;
+		if ( free <= 0 )
+			free+=MAXSIZE;
+		queue[wp++]=o;
+		if ( wp == MAXSIZE )
+			wp = 0;
+		if (o.opcode==gOpcode::flush||o.opcode==gOpcode::shutdown||o.opcode==gOpcode::notify)
+#ifndef SYNC_PAINT
+			pthread_cond_signal(&cond);  // wakeup gdi thread
+		pthread_mutex_unlock(&mutex);
+#else
+			thread(); // paint
+#endif
+		break;
+	}
+}
+
 void *gRC::thread()
 {
+	int need_notify = 0;
 #ifndef SYNC_PAINT
 	while (1)
+	{
+		singleLock s(mutex);
 #else
-	while (queue.size())
-#endif
+	while (rp != wp)
 	{
-		queuelock.lock(1);
-		gOpcode& o(queue.current());
-		if (o.opcode==gOpcode::shutdown)
-			break;
-		if (o.opcode==gOpcode::notify)
+#endif
+		if ( rp != wp )
 		{
-			m_notify_pump.send(1);
-		} else
-			o.dc->exec(&o);
-		o.dc->Release();
-		queue.dequeue();
+			gOpcode& o(queue[rp]);
+			if (o.opcode==gOpcode::shutdown)
+				break;
+			else if (o.opcode==gOpcode::notify)
+				need_notify = 1;
+			else
+				o.dc->exec(&o);
+			rp++;
+			if ( rp == MAXSIZE )
+				rp=0;
+		}
+		else
+		{
+			if (need_notify)
+			{
+				need_notify = 0;
+				m_notify_pump.send(1);
+			}
+#ifndef SYNC_PAINT
+			pthread_cond_wait(&cond, &mutex);
+#endif
+		}
 	}
 #ifndef SYNC_PAINT
 	pthread_exit(0);
@@ -221,6 +280,8 @@ void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 {
 	gOpcode o;
 	
+	ASSERT(pixmap);
+	
 	o.opcode=gOpcode::blit;
 	o.dc = m_dc.grabRef();
 	pixmap->AddRef();
@@ -373,6 +434,10 @@ void gPainter::notify()
 
 void gPainter::end()
 {
+	gOpcode o;
+	o.opcode = gOpcode::flush;
+	o.dc = m_dc.grabRef();
+	m_rc->submit(o);
 }
 
 gDC::gDC()
@@ -432,7 +497,9 @@ void gDC::exec(gOpcode *o)
 		if (o->parm.renderText->flags & gPainter::RT_VALIGN_CENTER)
 		{
 			eRect bbox = para->getBoundBox();
-			offset += ePoint(0, (o->parm.renderText->area.height() - bbox.height()) / 2);
+			int vcentered_top = o->parm.renderText->area.top() + ((o->parm.renderText->area.height() - bbox.height()) / 2);
+			int correction = vcentered_top - bbox.top();
+			offset += ePoint(0, correction);
 		}
 		para->blit(*this, offset, getRGB(m_background_color), getRGB(m_foreground_color));
 		delete o->parm.renderText;