Cr8-xyz/blender
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Cycles: add Object Info node, with outputs object location, object/material

Browse Source 
pass index, and a random number unique to the instance of the object.

This can be useful to give some variation to a single material assigned to
multiple instances, either manually controlled through the object index, based
on the object location, or randomized for each instance. 

http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/More#Object_Info
This commit is contained in:
Brecht Van Lommel
2012-05-21 12:52:28 +00:00
parent ea11bc980a
commit c3e1fce775
20 changed files with 1778 additions and 1575 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
intern/cycles/kernel/kernel_object.h
View File

@@ -117,6 +117,16 @@ __device_inline void object_dir_transform(KernelGlobals *kg, ShaderData *sd, flo
#endif
}
__device_inline float3 object_location(KernelGlobals *kg, ShaderData *sd)
{
#ifdef __MOTION__
return make_float3(sd->ob_tfm.x.w, sd->ob_tfm.y.w, sd->ob_tfm.z.w);
#else
Transform tfm = object_fetch_transform(kg, sd->object, 0.0f, OBJECT_TRANSFORM);
return make_float3(tfm.x.w, tfm.y.w, tfm.z.w);
#endif
}
__device_inline float object_surface_area(KernelGlobals *kg, int object)
{
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
@@ -134,5 +144,20 @@ __device_inline float object_pass_id(KernelGlobals *kg, int object)
return f.y;
}
__device_inline float object_random_number(KernelGlobals *kg, int object)
{
if(object == ~0)
return 0.0f;
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
float4 f = kernel_tex_fetch(__objects, offset);
return f.z;
}
__device int shader_pass_id(KernelGlobals *kg, ShaderData *sd)
{
return kernel_tex_fetch(__shader_flag, (sd->shader & SHADER_MASK)*2 + 1);
}
CCL_NAMESPACE_END