diff options
| author | Morten Mikkelsen <mikkelsen7@gmail.com> | 2012-01-04 02:27:30 +0400 |
|---|---|---|
| committer | Morten Mikkelsen <mikkelsen7@gmail.com> | 2012-01-04 02:27:30 +0400 |
| commit | 3b8404ac53af970559ec9224d76da0d7a06f084d (patch) | |
| tree | 4ba6f8ce2f6f7821c2ffaea3a7c5913c2f47964e /source/blender/gpu | |
| parent | aa1325ef55bce6792acfa8141f0bb53b7529d2a1 (diff) | |
derivative maps must take into account that texture scales can be negative
Diffstat (limited to 'source/blender/gpu')
| -rw-r--r-- | source/blender/gpu/intern/gpu_material.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c index bf575e092dc..93ea067cfb7 100644 --- a/source/blender/gpu/intern/gpu_material.c +++ b/source/blender/gpu/intern/gpu_material.c @@ -1122,7 +1122,7 @@ static void do_material_tex(GPUShadeInput *shi) norfac = -hScale * mtex->norfac; if(found_deriv_map) { - float fVirtDim = sqrtf(ima_x*mtex->size[0]*ima_y*mtex->size[1]); + float fVirtDim = sqrtf(fabsf(ima_x*mtex->size[0]*ima_y*mtex->size[1])); norfac /= MAX2(fVirtDim, FLT_EPSILON); } |