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| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2014-07-10 15:55:56 +0400 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2014-07-10 17:04:03 +0400 |
| commit | 49c73f2f228d736e1f63b3ef8ea79ccc4ed9a763 (patch) | |
| tree | 1241e5acd01ed2df9da3d6c85d87737156e9f0d0 | |
| parent | 5e216a6aa9bb7ea6c643d5b873cfae871d434925 (diff) | |
Cycles: Add link to a paper used for Beckmann table calculation
This is for those who'll be reading code and trying to improve it.
| -rw-r--r-- | intern/cycles/render/shader.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp index 351efcac7a8..927918689f1 100644 --- a/intern/cycles/render/shader.cpp +++ b/intern/cycles/render/shader.cpp @@ -45,6 +45,11 @@ static float beckmann_table_slope_max() return 6.0; } +/* Paper used: Importance Sampling Microfacet-Based BSDFs with the + * Distribution of Visible Normals. Supplemental Material 2/2. + * + * http://hal.inria.fr/docs/01/00/66/20/ANNEX/supplemental2.pdf + */ static void beckmann_table_rows(float *table, int row_from, int row_to) { /* allocate temporary data */ |