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bugfix: genx and geny are not the image resolution. Texture space variant needs this.

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This commit is contained in:
Morten Mikkelsen
2011-08-18 17:25:54 +00:00
parent 39a46cd4ed
commit ccdec67fec
1 changed files with 12 additions and 5 deletions
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17
source/blender/render/intern/source/render_texture.c
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@@ -2084,14 +2084,21 @@ static int ntap_bump_compute(NTapBump *ntap_bump, ShadeInput *shi, MTex *mtex, T
if( mtex->texflag & MTEX_BUMP_TEXTURESPACE ) {
if(tex->ima) {
// crazy hack solution that gives results similar to normal mapping - part 2
float vec[2];
int dimx=512, dimy=512;
ImBuf* ibuf = BKE_image_get_ibuf(tex->ima, &tex->iuser);
if (ibuf) {
dimx = ibuf->x;
dimy = ibuf->y;
}
// crazy hack solution that gives results similar to normal mapping - part 2
vec[0] = tex->ima->gen_x*dxt[0];
vec[1] = tex->ima->gen_y*dxt[1];
vec[0] = dimx*dxt[0];
vec[1] = dimy*dxt[1];
dHdx *= 1.0f/len_v2(vec);
vec[0] = tex->ima->gen_x*dyt[0];
vec[1] = tex->ima->gen_y*dyt[1];
vec[0] = dimx*dyt[0];
vec[1] = dimy*dyt[1];
dHdy *= 1.0f/len_v2(vec);
}
}