diff options
| author | Antony Riakiotakis <kalast@gmail.com> | 2014-08-12 21:45:57 +0400 |
|---|---|---|
| committer | Antony Riakiotakis <kalast@gmail.com> | 2014-08-12 21:45:57 +0400 |
| commit | 7c7cb01aa5641414d9f0c39ab81df0f57205f362 (patch) | |
| tree | 29731ff090dee60f90ea23ed19e6bcadea58ae6b /source/blender/editors/sculpt_paint/paint_image_2d.c | |
| parent | 561f375109c063663919e815b3c05c802e9428f8 (diff) | |
Fix part of T41406
Attempt to make soften brush faster by allowing non-symmetric kernels.
Projective painting supports those naturally but for 2D painting there's
a small hack to avoid shifting of the texture. Not totally correct but
it works for now.
Diffstat (limited to 'source/blender/editors/sculpt_paint/paint_image_2d.c')
| -rw-r--r-- | source/blender/editors/sculpt_paint/paint_image_2d.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_image_2d.c b/source/blender/editors/sculpt_paint/paint_image_2d.c index 1cba8a2cf23..14429eb8aca 100644 --- a/source/blender/editors/sculpt_paint/paint_image_2d.c +++ b/source/blender/editors/sculpt_paint/paint_image_2d.c @@ -877,8 +877,10 @@ static void paint_2d_lift_soften(ImagePaintState *s, ImBuf *ibuf, ImBuf *ibufb, for (yk = 0; yk < kernel->side; yk++) { for (xk = 0; xk < kernel->side; xk++) { - count += paint_2d_ibuf_add_if(ibuf, xi + xk - kernel->pixel_len, - yi + yk - kernel->pixel_len, outrgb, is_torus, + float x_offs = xk - kernel->pixel_len; + float y_offs = yk - kernel->pixel_len; + count += paint_2d_ibuf_add_if(ibuf, xi + signf(x_offs) * fabs(x_offs + 0.51f), + yi + signf(y_offs) * fabs(y_offs + 0.51f), outrgb, is_torus, kernel->wdata[xk + yk * kernel->side]); } } |