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IDProjectCategoryView StatusLast Update
0032753Open CASCADEOCCT:Visualizationpublic2024-04-08 18:13
Reporterkgv Assigned To 
Status newResolutionopen 
Target VersionUnscheduled 
Summary0032753: Visualization, TKOpenGl - bake 360 spherical panorama background into cubemap
DescriptionTKOpenGl provides an interface for setting 360 degrees image-based background in two ways:
- As 360 spherical image `V3d_View::SetTextureEnv()` - legacy API supported by Ray-Tracing renderer (`Graphic3d_RenderingParams::UseEnvironmentMapBackground`) and by legacy OpenGL material model (unused in modern applications).
- As a cubemap image `V3d_View::SetBackgroundCubeMap()` - supported by Ray-Tracing renderer as well as a PBR rasterization renderer.

It is proposed to unify rendering logic and implement baking of 360-degrees spherical image into cubemap (as 0032606 does for a skybox), so that rendering logic supporting spherical images as alternative to cubemap could be dropped, and PBR renderer will be able to handle sphetrical panoramas.

As a further revision, `Graphic3d_CubeMap` might inherit base class `Graphic3d_TextureEnv`.
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related to 0032754 assigned Visualization, TKOpenGl - Phong shading model ignores environment cubemap 


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Issue History

Date Modified Username Field Change
2021-12-28 11:01 kgv New Issue
2021-12-28 11:01 kgv Assigned To => kgv
2021-12-28 11:11 kgv Relationship added related to 0032754
2022-08-17 11:55 kgv Target Version 7.7.0 => 7.8.0
2022-10-19 15:50 smoskvin Assigned To kgv => vpozdyayev
2023-08-01 15:09 dpasukhi Target Version 7.8.0 => Unscheduled
2024-03-14 20:31 drochalo Assigned To vpozdyayev => drochalo
2024-04-08 18:13 drochalo Assigned To drochalo =>