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Fix some possible threading issues with waterfall canvas

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This commit is contained in:
Charles J. Cliffe 2015-10-22 01:12:51 -04:00
parent 5fd4ba8059
commit 1e0489f974
1 changed files with 8 additions and 14 deletions
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22
src/visual/WaterfallCanvas.cpp
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@ -72,11 +72,7 @@ void WaterfallCanvas::attachSpectrumCanvas(SpectrumCanvas *canvas_in) {
}
void WaterfallCanvas::processInputQueue() {
if (!glContext) {
return;
}
tex_update.lock();
glContext->SetCurrent(*this);
gTimer.update();
@ -100,19 +96,19 @@ void WaterfallCanvas::processInputQueue() {
break;
}
}
waterfallPanel.update();
}
}
wxClientDC(this);
glContext->SetCurrent(*this);
waterfallPanel.update();
tex_update.unlock();
}
void WaterfallCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
tex_update.lock();
wxPaintDC dc(this);
if (visualDataQueue.size() > 0) {
processInputQueue();
}
const wxSize ClientSize = GetClientSize();
long double currentZoom = zoom;
@ -208,7 +204,6 @@ void WaterfallCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
}
tex_update.lock();
glContext->SetCurrent(*this);
initGLExtensions();
glViewport(0, 0, ClientSize.x, ClientSize.y);
@ -413,11 +408,9 @@ void WaterfallCanvas::OnKeyDown(wxKeyEvent& event) {
}
void WaterfallCanvas::OnIdle(wxIdleEvent &event) {
processInputQueue();
Refresh();
event.RequestMore();
if (visualDataQueue.size() > linesPerSecond) {
processInputQueue();
}
}
void WaterfallCanvas::OnMouseMoved(wxMouseEvent& event) {
@ -806,6 +799,7 @@ void WaterfallCanvas::updateCenterFrequency(long long freq) {
}
void WaterfallCanvas::setLinesPerSecond(int lps) {
tex_update.lock();
linesPerSecond = lps;
while (!visualDataQueue.empty()) {
SpectrumVisualData *vData;
@ -815,7 +809,7 @@ void WaterfallCanvas::setLinesPerSecond(int lps) {
vData->decRefCount();
}
}
tex_update.unlock();
}