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0032507: Visualization, TKOpenGl - topmost text disappears with Graphic3d_RTM_DEPTH_PEELING_OIT enabled

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sshutina 2021-09-09 17:54:13 +03:00 committed by smoskvin
parent e8ae1c42a8
commit 7d7541ceeb
3 changed files with 37 additions and 2 deletions
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6
src/OpenGl/OpenGl_DepthPeeling.hxx
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@ -36,11 +36,13 @@ public:
//! Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules. //! Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.
Standard_EXPORT virtual Standard_Size EstimatedDataSize() const Standard_OVERRIDE; Standard_EXPORT virtual Standard_Size EstimatedDataSize() const Standard_OVERRIDE;
//! Attach a texture image //! Attach a texture image.
//! Resets the active FBO to 0.
Standard_EXPORT void AttachDepthTexture (const Handle(OpenGl_Context)& theCtx, Standard_EXPORT void AttachDepthTexture (const Handle(OpenGl_Context)& theCtx,
const Handle(OpenGl_Texture)& theDepthStencilTexture); const Handle(OpenGl_Texture)& theDepthStencilTexture);
//! Detach a texture image //! Detach a texture image.
//! Resets the active FBO to 0.
Standard_EXPORT void DetachDepthTexture (const Handle(OpenGl_Context)& theCtx); Standard_EXPORT void DetachDepthTexture (const Handle(OpenGl_Context)& theCtx);
//! Returns additional buffers for ping-pong //! Returns additional buffers for ping-pong

7
src/OpenGl/OpenGl_LayerList.cxx
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@ -1219,6 +1219,13 @@ void OpenGl_LayerList::renderTransparent (const Handle(OpenGl_Workspace)& theW
} }
} }
aView->DepthPeelingFbos()->DetachDepthTexture (aCtx); aView->DepthPeelingFbos()->DetachDepthTexture (aCtx);
// Bind the framebuffer for reading depth and writing final color
// after DetachDepthTexture() because after the function it's unbinded.
if (theReadDrawFbo)
{
theReadDrawFbo->BindBuffer (aCtx);
}
break; break;
} }
} }

26
tests/opengl/data/transparency/oit_osdtext_bug Normal file
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@ -0,0 +1,26 @@
puts "========"
puts "0032507: Visualization, TKOpenGl - topmost text disappears with Graphic3d_RTM_DEPTH_PEELING_OIT enabled"
puts "========"
pload MODELING VISUALIZATION
vclear
vinit View1
box b 1 2 3
vdisplay b -dispMode 1
vaspects b -transparency 0.5
vfit
vlight headlight -display
vdisplay headlight -2d bottomright 120 50
vlight amblight -display
vdisplay amblight -2d bottomright 50 50
vrenderparams -perfCounters triangles
vdump $imagedir/${casename}_1.png
vrenderparams -oit peel
vdump $imagedir/${casename}_2.png