diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_object.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_object.h | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h index 9d0a008fff1..ffd2f3b778f 100644 --- a/intern/cycles/kernel/geom/geom_object.h +++ b/intern/cycles/kernel/geom/geom_object.h @@ -428,8 +428,8 @@ ccl_device_inline void qbvh_instance_push(KernelGlobals *kg, ccl_device_inline void bvh_instance_pop(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, ccl_addr_space float *t) { if(*t != FLT_MAX) { - Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM); - *t *= len(transform_direction(&tfm, 1.0f/(*idir))); + Transform tfm = object_fetch_transform(kg, object, OBJECT_INVERSE_TRANSFORM); + *t /= len(transform_direction(&tfm, ray->D)); } *P = ray->P; @@ -441,8 +441,8 @@ ccl_device_inline void bvh_instance_pop(KernelGlobals *kg, int object, const Ray 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))); + Transform tfm = object_fetch_transform(kg, object, OBJECT_INVERSE_TRANSFORM); + *t_fac = 1.0f / len(transform_direction(&tfm, ray->D)); *P = ray->P; *dir = bvh_clamp_direction(ray->D); @@ -453,15 +453,21 @@ ccl_device_inline void bvh_instance_pop_factor(KernelGlobals *kg, int object, co #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, ccl_addr_space float *t, Transform *tfm) +ccl_device_inline void bvh_instance_motion_push(KernelGlobals *kg, + int object, + const Ray *ray, + float3 *P, + float3 *dir, + float3 *idir, + ccl_addr_space float *t, + Transform *itfm) { - Transform itfm; - *tfm = object_fetch_transform_motion_test(kg, object, ray->time, &itfm); + object_fetch_transform_motion_test(kg, object, ray->time, itfm); - *P = transform_point(&itfm, ray->P); + *P = transform_point(itfm, ray->P); float len; - *dir = bvh_clamp_direction(normalize_len(transform_direction(&itfm, ray->D), &len)); + *dir = bvh_clamp_direction(normalize_len(transform_direction(itfm, ray->D), &len)); *idir = bvh_inverse_direction(*dir); if(*t != FLT_MAX) @@ -475,18 +481,24 @@ ccl_device_inline void bvh_instance_motion_push(KernelGlobals *kg, int object, c * TODO(sergey): Investigate if passing NULL instead of t1 gets optimized * so we can avoid having this duplication. */ -ccl_device_inline void qbvh_instance_motion_push(KernelGlobals *kg, int object, const Ray *ray, float3 *P, float3 *dir, float3 *idir, float *t, float *t1, Transform *tfm) +ccl_device_inline void qbvh_instance_motion_push(KernelGlobals *kg, + int object, + const Ray *ray, + float3 *P, + float3 *dir, + float3 *idir, + float *t, + float *t1, + Transform *itfm) { - Transform itfm; - *tfm = object_fetch_transform_motion_test(kg, object, ray->time, &itfm); + object_fetch_transform_motion_test(kg, object, ray->time, itfm); - *P = transform_point(&itfm, ray->P); + *P = transform_point(itfm, ray->P); float len; - *dir = bvh_clamp_direction(normalize_len(transform_direction(&itfm, ray->D), &len)); + *dir = bvh_clamp_direction(normalize_len(transform_direction(itfm, ray->D), &len)); *idir = bvh_inverse_direction(*dir); - if(*t != FLT_MAX) *t *= len; @@ -497,10 +509,18 @@ ccl_device_inline void qbvh_instance_motion_push(KernelGlobals *kg, int object, /* 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, ccl_addr_space float *t, Transform *tfm) +ccl_device_inline void bvh_instance_motion_pop(KernelGlobals *kg, + int object, + const Ray *ray, + float3 *P, + float3 *dir, + float3 *idir, + ccl_addr_space float *t, + Transform *itfm) { - if(*t != FLT_MAX) - *t *= len(transform_direction(tfm, 1.0f/(*idir))); + if(*t != FLT_MAX) { + *t /= len(transform_direction(itfm, ray->D)); + } *P = ray->P; *dir = bvh_clamp_direction(ray->D); @@ -509,10 +529,16 @@ ccl_device_inline void bvh_instance_motion_pop(KernelGlobals *kg, int object, co /* 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) +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 *itfm) { - *t_fac = len(transform_direction(tfm, 1.0f/(*idir))); - + *t_fac /= len(transform_direction(itfm, ray->D)); *P = ray->P; *dir = bvh_clamp_direction(ray->D); *idir = bvh_inverse_direction(*dir); |