diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_wireframe.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_wireframe.osl | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/intern/cycles/kernel/shaders/node_wireframe.osl b/intern/cycles/kernel/shaders/node_wireframe.osl index 5cc214495dd..ea4bd3a4c87 100644 --- a/intern/cycles/kernel/shaders/node_wireframe.osl +++ b/intern/cycles/kernel/shaders/node_wireframe.osl @@ -17,25 +17,24 @@ #include "stdosl.h" #include "oslutil.h" -shader node_wireframe( - string bump_offset = "center", - int use_pixel_size = 0, - float Size = 0.01, - output float Fac = 0.0) +shader node_wireframe(string bump_offset = "center", + int use_pixel_size = 0, + float Size = 0.01, + output float Fac = 0.0) { - Fac = wireframe("triangles", Size, use_pixel_size); - /* TODO(sergey): Since we can't use autodiff here we do algebraic - * calculation of derivatives by definition. We could probably - * optimize this a bit by doing some extra calculation in wireframe(). - */ - if (bump_offset == "dx") { - point dx = Dx(P); - P -= dx; - Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dx); - } - else if (bump_offset == "dy") { - point dy = Dy(P); - P -= dy; - Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dy); - } + Fac = wireframe("triangles", Size, use_pixel_size); + /* TODO(sergey): Since we can't use autodiff here we do algebraic + * calculation of derivatives by definition. We could probably + * optimize this a bit by doing some extra calculation in wireframe(). + */ + if (bump_offset == "dx") { + point dx = Dx(P); + P -= dx; + Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dx); + } + else if (bump_offset == "dy") { + point dy = Dy(P); + P -= dy; + Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dy); + } } |