Milestone 3.2.1

Enhancements

  • AOV support in standard shader: The standard shader now writes to eight different AOVs: (trac#1791)
    emission
    direct_diffuse
    direct_specular
    indirect_diffuse
    indirect_specular
    reflection
    refraction
    sss
    
  • Better AOV type checking: You will now get a warning message if you try to write to an AOV specifying the wrong output type: (trac#1792)
    00:00:00    6mb         |  starting 2 bucket workers of size 64x64 ...
    00:00:00    7mb WARNING |   [aov] type mismatch for "direct_diffuse" (RGB vs RGBA)
    00:00:02    7mb         |  bucket workers done in 0:02.05
    
  • Added standard.roughness parameter: The diffuse layer in the standard shader uses a Lambert BRDF when roughness is zero (the default value) and an Oren-Nayar BRDF when roughness is greater than zero. The range is from 0 to Pi. (trac#1796)
  • New utility shader mode bad_uvs: This new mode helps when debugging problematic geometry, by clearly marking polygons where UV mapping is broken (zero or non-finite derivatives). Problems in the U coordinate are shown as red polygons, and problems in the V coordinate are shown as blue. (trac#1800)

Incompatible changes

  • Removed legacy catclark_subdiv node: This deprecated node existed solely for backwards compatibility with old scenes in our development testsuite. The polymesh.subdiv parameter, which accepted a catclark_subdiv node, has also been removed. (trac#1790)
  • Removed curves.self_intersectable parameter: This fixes the ugly self-shadowing artifacts that you would get in ribbon mode with the default settings. (trac#1798)
  • Removed min() and max() Python methods: These two AtPoint methods in the Python bindings were causing problems because they were aliasing the built-in Python functions. (trac#1799)

Bug fixes

  
#1794crash in AiCellular() when passing NULL delta/ID
#1795standard shader: SSS layer should be affected by Fresnel term
#1789remove dither_amplitude warnings with kick's drivers
#1797crash in AiNodeSetArray() when setting a parameter twice with the same array
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