Bug 1485 - Graph: Support AABBox Clipping to [GL]Region
Summary: Graph: Support AABBox Clipping to [GL]Region
Alias: None
Product: Jogl
Classification: JogAmp
Component: graph (show other bugs)
Version: 2.6.0
Hardware: All all
: P4 normal
Assignee: Sven Gothel
Depends on:
Blocks: 805
  Show dependency treegraph
Reported: 2024-01-15 18:11 CET by Sven Gothel
Modified: 2024-01-20 05:26 CET (History)
1 user (show)

See Also:
SCM Refs:
c87e89959e40ee8411cccc16fe0a5708f54a6c9f f836fbd9201034010ecbf591348433f23920f527 bb11c498b7d4fe269e7273a1b164e46f3c7a3b50 335dd0a493fff1435cad1cd22e4ac5a20d7df03a 6363ae5fb6975a6f2e7c1093ce81f25b699e3e61
Workaround: ---


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Description Sven Gothel 2024-01-15 18:11:41 CET
Pixel accurate clipping of the rendered Region is essential 
for GraphUI, allowing to pixel accurate cut-off an inner Region 
using its parent Group's AABBox (outside).

Object culling beforehand is possible to enhance performance (TODO) inside a Group,
this on top of frustum culling from the Scene.

- Graph GLSL functions.glsl: Complete overload vec2 and vec3 variants;
  Fix 'and'/'or' semantic (swapped); Add EPSILON in clip_coord(..)
  and add is_inside(..) function
  commit c87e89959e40ee8411cccc16fe0a5708f54a6c9f

- Graph Clipping: GLSL: Add `USE_AABBOX_CLIPPING`, 
  i.e. clipping via AABBox min/max vec3 as convenient 
  using Graph/GraphUI produced AABBox
  commit f836fbd9201034010ecbf591348433f23920f527

- Graph Clipping: Initial Region impl of AABBox clipping 
  using GLSL shader (Convenient using Graph/GraphUI produced AABBox)
  commit bb11c498b7d4fe269e7273a1b164e46f3c7a3b50

- Graph Clipping: Add missing Modelview-Matrix (Mv) Multiplication / Consideration
  commit 335dd0a493fff1435cad1cd22e4ac5a20d7df03a

- Graph/GraphUI: Revise Graph Region ShaderMapping, 
  fix AABBox-Clipping for Pass2-AA, revise Pass2 AA Quality parameter ..
  commit 6363ae5fb6975a6f2e7c1093ce81f25b699e3e61
Comment 1 Sven Gothel 2024-01-15 18:12:28 CET
Implemented as described.
Comment 2 Sven Gothel 2024-01-20 05:26:42 CET
Has been revised using Frustum planes by Bug 1487