OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-10 18:51:21 +03:00
Code

0032274: Tests - unstable snapshots from test case v3d/bugs/bug24785

Browse Source 
Test case has been adjusted to reproduce scenario it was supposed to check.
This commit is contained in:
kgv 2021-04-07 14:29:58 +03:00 committed by bugmaster
parent c57bf5636c
commit 95bdefb201
2 changed files with 27 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/ViewerTest/ViewerTest_ViewerCommands.cxx
View File

@ -5598,7 +5598,7 @@ static int VZLayer (Draw_Interpretor& theDI,
Graphic3d_ZLayerSettings aSettings = aViewer->ZLayerSettings (aLayeriter.Value()); Graphic3d_ZLayerSettings aSettings = aViewer->ZLayerSettings (aLayeriter.Value());
printZLayerInfo (theDI, aSettings); printZLayerInfo (theDI, aSettings);
} }
return 1; return 0;
} }
Standard_Integer anArgIter = 1; Standard_Integer anArgIter = 1;

45
tests/v3d/bugs/bug24785
View File

@ -6,45 +6,52 @@ vinit View1
# Thin boxes represent overlapping 2d objects in same plane # Thin boxes represent overlapping 2d objects in same plane
# Normally such configuration would cause z-fighting noise (flickering) # Normally such configuration would cause z-fighting noise (flickering)
box b1 -0.75 -0.75 0 1 1 0.01 box b1 -0.75 -0.75 0 1 1 0.01
box b2 -0.5 -0.5 0 1 1 0.01 box b2 -0.50 -0.50 0 1 1 0.01
box b3 -0.25 -0.25 0 1 1 0.01 box b3 -0.25 -0.25 0 1 1 0.01
vdisplay b1 vdisplay b1 b2 b3 -dispMode 1
vdisplay b2 vaspects b1 -material brass
vdisplay b3 vaspects b2 -material silver
vsetmaterial b2 silver vaspects b3 -material copper
vsetmaterial b3 copper # Set object polygon mode Aspect_POM_None to inherit Z-Layer settings,
# as default object polygon offset is "Aspect_POM_Fill 1 1" (overrides Z-layer settings)
vpolygonoffset b1 8 0 0
vpolygonoffset b2 8 0 0
vpolygonoffset b3 8 0 0
psphere s 0.3 psphere s 0.3
vdisplay s vdisplay s -dispMode 1
vaspects s -material brass
vpolygonoffset s 8 0 0
# Create new z-layer for 3d objects # Create new z-layer for 3d objects
vzlayer add catch { vzlayer -delete 1 }
vobjzlayer set s 1 set aLayerId [vzlayer add]
vdisplay s -layer $aLayerId
vsetdispmode 1 # Disable OpenGL depth test for layer 0 (to eliminate flickering)
# Disable OpenGl depth test for layer 0 (to eliminate flickering)
# But depth write is still enabled # But depth write is still enabled
vzlayer disable depthtest 0 vzlayer DEFAULT -disable depthTest
# Disable depth buffer clearing for layer 1 (we want correct overlapping with 3d objects) # Disable depth buffer clearing for layer 1 (we want correct overlapping with 3d objects)
vzlayer disable depthclear 1 vzlayer $aLayerId -disable depthClear
# List currently enabled settings of each layer # List currently enabled settings of each layer
vzlayer settings 0 vzlayer DEFAULT -settings
vzlayer settings 1 vzlayer $aLayerId -settings
# "3d" box with one of its faces on same plane with "2d" objects # "3d" box with one of its faces on same plane with "2d" objects
# Normally this also would cause flickering because new box is # Normally this also would cause flickering because new box is
# supposed to be in layer 1 as "3d" structure, thus depth test between # supposed to be in layer 1 as "3d" structure, thus depth test between
# new box and "2d" objects will be enabled. # new box and "2d" objects will be enabled.
box b 0 0 0.01 0.5 0.5 -0.5 box b 0 0 0.01 0.5 0.5 -0.5
vdisplay b vdisplay b -dispMode 1 -layer $aLayerId
vobjzlayer set b 1 vaspects b -material brass
vpolygonoffset b 8 0 0
# To handle this situation, depth offset setting was introduced. # To handle this situation, depth offset setting was introduced.
# It implemented with glPolygonOffset calls per layer. # It implemented with glPolygonOffset calls per layer.
vzlayer enable positiveoffset 1 # Set polygon offset 2 (greater than default value 1 to see the difference).
vzlayer 1 -enable depthoffset 2 1
vfit vfit
vdump $imagedir/${casename}.png vdump $imagedir/${casename}.png