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XInitThreads() is Linux only

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This commit is contained in:
Mark Watkins 2011-09-01 19:03:23 +10:00
parent 4b00d56e95
commit ec4c8dde6f
5 changed files with 42 additions and 42 deletions
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6
Graphs/gFooBar.cpp
View File

@ -41,10 +41,8 @@ void gShadowArea::paint(gGraph & w,int left, int top, int width, int height)
quads->add(start_px+py, top, start_px+py, top+height);
quads->add(end_px, top+height, end_px, top);
lines->add(start_px+px, top);
lines->add(start_px+py, top);
lines->add(start_px+px, top+height+1);
lines->add(start_px+py, top+height+1);
lines->add(start_px+px, top, start_px+py, top);
lines->add(start_px+px, top+height+1, start_px+py, top+height+1);
}
gFooBar::gFooBar(int offset,QColor handle_color,QColor line_color)

67
Graphs/gGraphView.cpp
View File

@ -349,6 +349,8 @@ EventDataType LayerGroup::Maxy()
const double zoom_hard_limit=500.0;
gThread::gThread(gGraph *g)
{
graph=g;
@ -368,20 +370,20 @@ void gThread::run()
{
m_running=true;
while (m_running) {
mutex.lock(); // this will hang until a paint event unlocks it..
if (!m_running) break;
int originX=m_lastbounds.x();
int originY=m_lastbounds.y();
int width=m_lastbounds.width();
int height=m_lastbounds.height();
graph->paint(originX,originY,width,height);
graph->threadDone();
mutex.lock(); // hang until a paint event unlocks it..
//if (mutex.tryLock(1000)) {
if (!m_running) break;
graph->paint(m_left,m_top,m_width,m_height);
graph->threadDone();
//}
}
}
void gThread::paint(int originX, int originY, int width, int height)
{
m_lastbounds=QRect(originX,originY,width,height);
m_top=originY;
m_left=originX;
m_width=width;
m_height=height;
mutex.unlock(); // this is the signal to start
}
@ -1269,10 +1271,9 @@ void gGraphView::paintGL()
//glClearDepth(1);
glClear(GL_COLOR_BUFFER_BIT);// | GL_DEPTH_BUFFER_BIT);
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
/*glBegin(GL_QUADS);
/*glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glColor4f(1.0,1.0,1.0,1.0); // Gradient start
glVertex2f(0, height());
glVertex2f(0, 0);
@ -1281,7 +1282,8 @@ void gGraphView::paintGL()
glVertex2f(width(), 0);
glVertex2f(width(), height());
glEnd();*/
glEnd();
glDisable(GL_BLEND); */
float px=titleWidth-m_offsetX;
float py=-m_offsetY;
@ -1290,6 +1292,8 @@ void gGraphView::paintGL()
//ax=px;//-m_offsetX;
bool threaded;
// Tempory hack using this pref..
if (pref["EnableGraphSnapshots"].toBool() && (m_idealthreads>1)) {
threaded=true;
} else threaded=false;
@ -1312,29 +1316,20 @@ void gGraphView::paintGL()
masterlock->acquire(1); // book an available CPU
m_graphs[i]->threadStart(); // this only happens once.. It stays dormant when not in use.
m_graphs[i]->thread()->paint(px,py,width()-titleWidth,h);
m_graphs[i]->thread()->setPriority(QThread::HighPriority);
} else {
m_graphs[i]->paint(px,py,width()-titleWidth,h);
}
//qDebug() << "Threads operational" << m_idealthreads-masterlock->available();
// draw the splitter handle
gl_mutex.lock();
glBegin(GL_QUADS);
glColor4f(.5,.5,.5,1.0);
glVertex2f(0,py+h);
glVertex2f(w,py+h);
glColor4f(.7,.7,.7,1.0);
glVertex2f(w,py+h+graphSpacer/2.0);
glVertex2f(0,py+h+graphSpacer/2.0);
glColor4f(1,1,1,1.0);
glVertex2f(0,py+h+graphSpacer/2.0);
glVertex2f(w,py+h+graphSpacer/2.0);
glColor4f(.3,.3,.3,1.0);
glVertex2f(w,py+h+graphSpacer);
glVertex2f(0,py+h+graphSpacer);
glEnd();
gl_mutex.unlock();
QColor ca=QColor(128,128,128,255);
backlines->add(0, py+h, w, py+h, ca);
ca=QColor(192,192,192,255);
backlines->add(0, py+h+1, w, py+h+1, ca);
ca=QColor(90,90,90,255);
backlines->add(0, py+h+2, w, py+h+2, ca);
}
py=ceil(py+h+graphSpacer);
}
@ -1344,14 +1339,18 @@ void gGraphView::paintGL()
GetTextExtent(m_emptytext,x,y,bigfont);
AddTextQue(m_emptytext,(width()/2)-x/2,(height()/2)+y/2,0.0,col,bigfont);
}
int thr=1;
if (threaded) thr=m_idealthreads;
if (threaded) {
masterlock->acquire(m_idealthreads); // ask for all the CPU's back..
masterlock->release(m_idealthreads);
}
qint64 el=time.elapsed();
//((QGLContext*)context())->makeCurrent();
backlines->draw();
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->drawGLBuf();
@ -1362,9 +1361,7 @@ void gGraphView::paintGL()
//glDisable(GL_DEPTH_TEST);
swapBuffers(); // Dump to screen.
int thr=1;
if (threaded) thr=m_idealthreads;
qDebug() << "Graph Draw" << time.elapsed() << "ms," << thr << "threads";
qDebug() << "Graph Prep,Draw" << el << "," << time.elapsed()-el << "ms x" << thr;
}
// For manual scrolling

7
Graphs/gGraphView.h
View File

@ -8,6 +8,7 @@
#include <QThread>
#include <QMutex>
#include <QSemaphore>
#include <QWaitCondition>
#include <Graphs/glcommon.h>
@ -177,8 +178,10 @@ public:
QMutex mutex;
protected:
gGraph * graph;
QRect m_lastbounds;
int m_top,m_left,m_width,m_height;
volatile bool m_running;
QWaitCondition wc;
};
class gGraph
@ -293,7 +296,7 @@ public:
void setScrollBar(MyScrollBar *sb);
MyScrollBar * scrollBar() { return m_scrollbar; }
static const int titleWidth=30;
static const int graphSpacer=4;
static const int graphSpacer=3;
float findTop(gGraph * graph);

2
Graphs/gLineChart.cpp
View File

@ -425,7 +425,7 @@ void gLineChart::paint(gGraph & w,int left, int top, int width, int height)
//DrawText(w,msg,left+(width/2.0)-(x/2.0),scry-w.GetBottomMargin()-height/2.0+y/2.0,0,Qt::gray,bigfont);
}
} else {
//lines->scissor(left,w.flipY(top+height+2),width+1,height+1);
lines->scissor(left,w.flipY(top+height+2),width+1,height+1);
//lines->draw();
}
}

2
main.cpp
View File

@ -46,7 +46,9 @@ void MyOutputHandler(QtMsgType type, const char *msg) {
int main(int argc, char *argv[])
{
#ifdef Q_WS_X11
XInitThreads();
#endif
QApplication a(argc, argv);
a.setApplicationName("SleepyHead");