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Cycles: object motion blur enabled, so in addition to camera motion, moving

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objects in the scene will also cause motion blur.

This change does come with a bit of a slow down to the CPU rendering kernel even
with motion blur disabled, due to extra overhead in handling of object matrices.
It's a few percentages on simpler scenes, not so noticeable on more complex ones.
With motion blur enabled rendering is of course also slower as would be expected,
though from testing especially GPU rendering handles it quite well.

This does not support motion blur from deforming objects yet, only translation,
scale and rotation. Deformation blur is probably for another release.
This commit is contained in:
Brecht Van Lommel
2012-10-16 10:48:19 +00:00
parent 0ee9f123b2
commit 7521ce083d
3 changed files with 3 additions and 3 deletions
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2
intern/cycles/kernel/kernel_shader.h
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@@ -73,7 +73,7 @@ __device_inline void shader_setup_from_ray(KernelGlobals *kg, ShaderData *sd,
/* matrices and time */
#ifdef __OBJECT_MOTION__
if(sd->flag & SD_OBJECT_MOTION) {
sd->ob_tfm = object_fetch_transform_motion(kg, sd->object, time, &sd->ob_itfm);
sd->ob_tfm = object_fetch_transform_motion(kg, sd->object, ray->time, &sd->ob_itfm);
}
else {
sd->ob_tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);