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0032722: Visualization, TKOpenGl - performance counters disappear at some camera viewpoints

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Fixed OpenGl_FrameStatsPrs::Render() to enable depth clamping.
Fixed OpenGl_View::MinMaxValues() to take into account performance overlay.
This commit is contained in:
achesnok 2022-01-08 17:07:10 +03:00 committed by smoskvin
parent 0101c6febe
commit 71943b31f8
3 changed files with 37 additions and 0 deletions
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9
src/OpenGl/OpenGl_FrameStatsPrs.cxx
View File

@ -380,6 +380,11 @@ void OpenGl_FrameStatsPrs::Render (const Handle(OpenGl_Workspace)& theWorkspace)
theWorkspace->UseDepthWrite() = Standard_False;
aCtx->core11fwd->glDepthMask (GL_FALSE);
}
const bool wasDepthClamped = aCtx->arbDepthClamp && aCtx->core11fwd->glIsEnabled (GL_DEPTH_CLAMP);
if (aCtx->arbDepthClamp && !wasDepthClamped)
{
aCtx->core11fwd->glEnable (GL_DEPTH_CLAMP);
}
const OpenGl_Aspects* aTextAspectBack = theWorkspace->SetAspects (&myTextAspect);
@ -455,6 +460,10 @@ void OpenGl_FrameStatsPrs::Render (const Handle(OpenGl_Workspace)& theWorkspace)
theWorkspace->UseDepthWrite() = wasEnabledDepth;
aCtx->core11fwd->glDepthMask (wasEnabledDepth ? GL_TRUE : GL_FALSE);
}
if (aCtx->arbDepthClamp && !wasDepthClamped)
{
aCtx->core11fwd->glDisable (GL_DEPTH_CLAMP);
}
}
// =======================================================================

9
src/OpenGl/OpenGl_View.cxx
View File

@ -787,6 +787,15 @@ Bnd_Box OpenGl_View::MinMaxValues (const Standard_Boolean theToIncludeAuxiliary)
Bnd_Box aBox = base_type::MinMaxValues (theToIncludeAuxiliary);
// make sure that stats overlay isn't clamped on hardware with unavailable depth clamping
if (myRenderParams.ToShowStats && !myWorkspace->GetGlContext()->arbDepthClamp)
{
Bnd_Box aStatsBox (gp_Pnt (float(myWindow->Width() / 2.0), float(myWindow->Height() / 2.0), 0.0),
gp_Pnt (float(myWindow->Width() / 2.0), float(myWindow->Height() / 2.0), 0.0));
myRenderParams.StatsPosition->Apply (myCamera, myCamera->ProjectionMatrix(), myCamera->OrientationMatrix(),
myWindow->Width(), myWindow->Height(), aStatsBox);
aBox.Add (aStatsBox);
}
return aBox;
}

19
tests/opengl/data/general/bug32722 Normal file
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@ -0,0 +1,19 @@
puts "========"
puts "OCC32722: Visualization, TKOpenGl - performance counters disappear at some camera viewpoints"
puts "========"
puts ""
pload MODELING VISUALIZATION
vinit View1
vcamera -persp
box b1 0 0 0 50 50 50
box b2 150 0 0 50 50 50
box b3 0 150 0 50 50 50
vdisplay b1 b2 b3 -dispMode 1 -noupdate
vaspects b1 b2 b3 -color RED -transparency 0.5
vrenderparams -perfCounters fps
vviewparams -scale 2.14747 -proj 0.160074 0.265291 -0.950788 -up -0.0189965 0.963858 0.265739 -at 63.0574 214.479 199.417
checkcolor 22 34 0.8 0.8 0.8
vdump $::imagedir/${::casename}.png