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0032301: Visualization, TKOpenGl - depth peeling is broken with OpenGl_Caps::buffersOpaqueAlpha option

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OpenGl_LayerList::renderTransparent() - color mask is now set to write into Alpha channel of depth peeling FBOs.
OpenGl_View::blitBuffers() - avoid using undefined color for glClear(GL_COLOR_BUFFER_BIT) operation.
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kgv
2021-04-15 15:34:52 +03:00
committed by bugmaster
parent b907cca37e
commit 57357010a8
3 changed files with 8 additions and 0 deletions
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5
tests/opengl/data/transparency/oit
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@@ -36,6 +36,11 @@ vdump $imagedir/${casename}_weight.png
vrenderparams -oit peeling 4
vdump $imagedir/${casename}_peel.png
# test opaqueAlpha option - result should be the same
vcaps -opaqueAlpha 1
vdump $imagedir/${casename}_peel_rgb.png
vcaps -opaqueAlpha 0
# VTK viewer, just for comparison
set hasVtk 0
if { [vdriver -default] == "TKOpenGl" } {