diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_object.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_object.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h index 71ad4a55088..431cd6321d5 100644 --- a/intern/cycles/kernel/geom/geom_object.h +++ b/intern/cycles/kernel/geom/geom_object.h @@ -377,7 +377,7 @@ ccl_device_inline float3 bvh_inverse_direction(float3 dir) /* Transform ray into object space to enter static object in BVH */ -ccl_device_inline void bvh_instance_push(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, const float tmax) +ccl_device_inline void bvh_instance_push(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t) { Transform tfm = object_fetch_transform(kg, object, OBJECT_INVERSE_TRANSFORM); @@ -393,7 +393,7 @@ ccl_device_inline void bvh_instance_push(KernelGlobals *kg, int object, const Ra /* Transorm ray to exit static object in BVH */ -ccl_device_inline void bvh_instance_pop(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, const float tmax) +ccl_device_inline void bvh_instance_pop(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t) { if(*t != FLT_MAX) { Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM); @@ -405,10 +405,23 @@ ccl_device_inline void bvh_instance_pop(KernelGlobals *kg, int object, const Ray *idir = bvh_inverse_direction(*dir); } +/* Same as above, but returns scale factor to apply to multiple intersection distances */ + +ccl_device_inline void bvh_instance_pop_factor(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t_fac) +{ + Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM); + *t_fac = len(transform_direction(&tfm, 1.0f/(*idir))); + + *P = ray->P; + *dir = bvh_clamp_direction(ray->D); + *idir = bvh_inverse_direction(*dir); +} + + #ifdef __OBJECT_MOTION__ /* Transform ray into object space to enter motion blurred object in BVH */ -ccl_device_inline void bvh_instance_motion_push(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, Transform *tfm, const float tmax) +ccl_device_inline void bvh_instance_motion_push(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, Transform *tfm) { Transform itfm; *tfm = object_fetch_transform_motion_test(kg, object, ray->time, &itfm); @@ -425,7 +438,7 @@ ccl_device_inline void bvh_instance_motion_push(KernelGlobals *kg, int object, c /* Transorm ray to exit motion blurred object in BVH */ -ccl_device_inline void bvh_instance_motion_pop(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, Transform *tfm, const float tmax) +ccl_device_inline void bvh_instance_motion_pop(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, Transform *tfm) { if(*t != FLT_MAX) *t *= len(transform_direction(tfm, 1.0f/(*idir))); @@ -434,6 +447,18 @@ ccl_device_inline void bvh_instance_motion_pop(KernelGlobals *kg, int object, co *dir = bvh_clamp_direction(ray->D); *idir = bvh_inverse_direction(*dir); } + +/* Same as above, but returns scale factor to apply to multiple intersection distances */ + +ccl_device_inline void bvh_instance_motion_pop_factor(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t_fac, Transform *tfm) +{ + *t_fac = len(transform_direction(tfm, 1.0f/(*idir))); + + *P = ray->P; + *dir = bvh_clamp_direction(ray->D); + *idir = bvh_inverse_direction(*dir); +} + #endif CCL_NAMESPACE_END |