diff options
author | Morten Mikkelsen <mikkelsen7@gmail.com> | 2011-09-22 09:36:52 +0400 |
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committer | Morten Mikkelsen <mikkelsen7@gmail.com> | 2011-09-22 09:36:52 +0400 |
commit | 68a9450dd19a228312756c7a653255c6f34d1913 (patch) | |
tree | cf6e7e22bffa2af267feb43027636e277c623dbb /source/blender/render/intern | |
parent | dc09774fb62ca3b8fe7e8b0da32d50636884a14b (diff) |
addendum to prev bugfix on texture space bump
Diffstat (limited to 'source/blender/render/intern')
-rw-r--r-- | source/blender/render/intern/source/render_texture.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/source/blender/render/intern/source/render_texture.c b/source/blender/render/intern/source/render_texture.c index 641fec90cf3..0e9e274f256 100644 --- a/source/blender/render/intern/source/render_texture.c +++ b/source/blender/render/intern/source/render_texture.c @@ -1906,6 +1906,8 @@ static int ntap_bump_compute(NTapBump *ntap_bump, ShadeInput *shi, MTex *mtex, T const int fromrgb = ((tex->type == TEX_IMAGE) || ((tex->flag & TEX_COLORBAND)!=0)); float Hscale = Tnor*mtex->norfac; int dimx=512, dimy=512; + const int imag_tspace_dimension_x = 1024; // only used for texture space variant + float aspect = 1.0f; // 2 channels for 2D texture and 3 for 3D textures. const int nr_channels = (mtex->texco == TEXCO_UV)? 2 : 3; @@ -1938,6 +1940,7 @@ static int ntap_bump_compute(NTapBump *ntap_bump, ShadeInput *shi, MTex *mtex, T if (ibuf) { dimx = ibuf->x; dimy = ibuf->y; + aspect = ((float) dimy) / dimx; } } @@ -2111,12 +2114,13 @@ static int ntap_bump_compute(NTapBump *ntap_bump, ShadeInput *shi, MTex *mtex, T if(tex->ima) { // crazy hack solution that gives results similar to normal mapping - part 2 float vec[2]; + const float imag_tspace_dimension_y = aspect*imag_tspace_dimension_x; - vec[0] = dimx*dxt[0]; - vec[1] = dimy*dxt[1]; + vec[0] = imag_tspace_dimension_x*dxt[0]; + vec[1] = imag_tspace_dimension_y*dxt[1]; dHdx *= 1.0f/len_v2(vec); - vec[0] = dimx*dyt[0]; - vec[1] = dimy*dyt[1]; + vec[0] = imag_tspace_dimension_x*dyt[0]; + vec[1] = imag_tspace_dimension_y*dyt[1]; dHdy *= 1.0f/len_v2(vec); } } |