// for debugging use:
-#define SYNC_PAINT
+// #define SYNC_PAINT
#include <unistd.h>
#ifndef SYNC_PAINT
#include <pthread.h>
#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), 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");
else
- eDebug("RC thread createted successfully");
+ eDebug("RC thread created successfully");
#endif
}
#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;
- o.dc->exec(&o);
- o.dc->Release();
- queue.dequeue();
+#endif
+ if ( rp != wp )
+ {
+ 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);
return 0;
}
+void gRC::recv_notify(const int &i)
+{
+ notify();
+}
+
gRC *gRC::getInstance()
{
return instance;
{
gOpcode o;
+ ASSERT(pixmap);
+
o.opcode=gOpcode::blit;
o.dc = m_dc.grabRef();
pixmap->AddRef();
o.parm.blit->pixmap = pixmap;
o.parm.blit->position = pos;
o.parm.blit->clip = clip;
- o.flags=flags;
+ o.parm.blit->flags=flags;
m_rc->submit(o);
}
m_rc->submit(o);
}
+void gPainter::waitVSync()
+{
+ gOpcode o;
+ o.opcode = gOpcode::waitVSync;
+ o.dc = m_dc.grabRef();
+ m_rc->submit(o);
+}
+
+void gPainter::flip()
+{
+ gOpcode o;
+ o.opcode = gOpcode::flip;
+ o.dc = m_dc.grabRef();
+ m_rc->submit(o);
+}
+
+void gPainter::notify()
+{
+ gOpcode o;
+ o.opcode = gOpcode::notify;
+ o.dc = m_dc.grabRef();
+ m_rc->submit(o);
+}
+
void gPainter::end()
{
+ gOpcode o;
+ o.opcode = gOpcode::flush;
+ o.dc = m_dc.grabRef();
+ m_rc->submit(o);
}
gDC::gDC()
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;
m_current_offset = o->parm.setOffset->value;
delete o->parm.setOffset;
break;
+ case gOpcode::waitVSync:
+ break;
+ case gOpcode::flip:
+ break;
case gOpcode::flush:
break;
default:
DEFINE_REF(gDC);
eAutoInitPtr<gRC> init_grc(eAutoInitNumbers::graphic, "gRC");
-