diff options
| author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2010-02-15 19:45:45 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2010-02-15 19:45:45 +0300 |
| commit | 9bd50214d343ad09ca42354f2f626a436cb36a06 (patch) | |
| tree | 07c360edb9710cc9c584e7b4dca03fa32a141930 /source | |
| parent | b3d41ac144b7a72bc1bcdd3955085a57f7eb3cb3 (diff) | |
Fix artifacts in bump map render with Object coordinates. Float precision
is problematic here with coordinates being transform by matrix and back by
inverse, so tweaked the epsilons to avoid the problem.
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/render/intern/source/texture.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/render/intern/source/texture.c b/source/blender/render/intern/source/texture.c index 8899812fe50..67b4b4cf9b4 100644 --- a/source/blender/render/intern/source/texture.c +++ b/source/blender/render/intern/source/texture.c @@ -1881,7 +1881,7 @@ void do_material_tex(ShadeInput *shi) // for the uv case, use the same value for both du/dv, // since individually scaling the normal derivatives makes them useless... du = MIN2(du, dv); - idu = (du < 1e-6f) ? bf : (bf/du); + idu = (du < 1e-5f) ? bf : (bf/du); // +u val tco[0] = co[0] + dudnu*du; @@ -1902,8 +1902,8 @@ void do_material_tex(ShadeInput *shi) else { float tu[3] = {nu[0], nu[1], nu[2]}, tv[3] = {nv[0], nv[1], nv[2]}; - idu = (du < 1e-6f) ? bf : (bf/du); - idv = (dv < 1e-6f) ? bf : (bf/dv); + idu = (du < 1e-5f) ? bf : (bf/du); + idv = (dv < 1e-5f) ? bf : (bf/dv); if ((mtex->texco == TEXCO_ORCO) && shi->obr && shi->obr->ob) { mul_mat3_m4_v3(shi->obr->ob->imat, tu); |