7 Jul
2017
7 Jul
'17
1:06 p.m.
On 07/07/17 12:00, hi via Pd-list wrote: [...]
step_w = 1.0 / 640.0; step_h = 1.0 / 480.0;
[...]
tmp = texture2DRect(sourceTexture, vec2 ( pos.s + float(i)*step_w, pos.t + float(j)*step_h ) ).rgb;
texture2DRect() expects integer-per-texel coordinates in the range [0..size), so your step_w and step_h should be 1.0 to get neighbouring texels.
See Matias Valdenegro's comment here: https://stackoverflow.com/questions/6736531/where-can-i-find-documentation-o...