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Differential D6602 Diff 20889 intern/cycles/kernel/bvh/bvh.h

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intern/cycles/kernel/bvh/bvh.h

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# else /* __KERNEL_OPTIX__ */ # else /* __KERNEL_OPTIX__ */
if (!scene_intersect_valid(ray)) { if (!scene_intersect_valid(ray)) {
local_isect->num_hits = 0; local_isect->num_hits = 0;
return false; return false;
} }
# ifdef __EMBREE__ # ifdef __EMBREE__
if (kernel_data.bvh.scene) { if (kernel_data.bvh.scene) {
CCLIntersectContext ctx(kg, CCLIntersectContext::RAY_SSS); const bool has_bvh = !(kernel_tex_fetch(__object_flag, local_object) &
SD_OBJECT_TRANSFORM_APPLIED);
CCLIntersectContext ctx(
kg, has_bvh ? CCLIntersectContext::RAY_SSS : CCLIntersectContext::RAY_LOCAL);
ctx.lcg_state = lcg_state; ctx.lcg_state = lcg_state;
ctx.max_hits = max_hits; ctx.max_hits = max_hits;
ctx.ss_isect = local_isect; ctx.local_isect = local_isect;
local_isect->num_hits = 0; local_isect->num_hits = 0;
ctx.sss_object_id = local_object; ctx.local_object_id = local_object;
IntersectContext rtc_ctx(&ctx); IntersectContext rtc_ctx(&ctx);
RTCRay rtc_ray; RTCRay rtc_ray;
kernel_embree_setup_ray(*ray, rtc_ray, PATH_RAY_ALL_VISIBILITY); kernel_embree_setup_ray(*ray, rtc_ray, PATH_RAY_ALL_VISIBILITY);
/* Get the Embree scene for this intersection. */ /* If this object has its own BVH, use it. */
if (has_bvh) {
RTCGeometry geom = rtcGetGeometry(kernel_data.bvh.scene, local_object * 2); RTCGeometry geom = rtcGetGeometry(kernel_data.bvh.scene, local_object * 2);
if (geom) { if (geom) {
float3 P = ray->P; float3 P = ray->P;
float3 dir = ray->D; float3 dir = ray->D;
float3 idir = ray->D; float3 idir = ray->D;
const int object_flag = kernel_tex_fetch(__object_flag, local_object);
if (!(object_flag & SD_OBJECT_TRANSFORM_APPLIED)) {
Transform ob_itfm; Transform ob_itfm;
rtc_ray.tfar = bvh_instance_motion_push( rtc_ray.tfar = bvh_instance_motion_push(
kg, local_object, ray, &P, &dir, &idir, ray->t, &ob_itfm); kg, local_object, ray, &P, &dir, &idir, ray->t, &ob_itfm);
/* bvh_instance_motion_push() returns the inverse transform but /* bvh_instance_motion_push() returns the inverse transform but
* it's not needed here. */ * it's not needed here. */
(void)ob_itfm; (void)ob_itfm;
rtc_ray.org_x = P.x; rtc_ray.org_x = P.x;
rtc_ray.org_y = P.y; rtc_ray.org_y = P.y;
rtc_ray.org_z = P.z; rtc_ray.org_z = P.z;
rtc_ray.dir_x = dir.x; rtc_ray.dir_x = dir.x;
rtc_ray.dir_y = dir.y; rtc_ray.dir_y = dir.y;
rtc_ray.dir_z = dir.z; rtc_ray.dir_z = dir.z;
}
RTCScene scene = (RTCScene)rtcGetGeometryUserData(geom); RTCScene scene = (RTCScene)rtcGetGeometryUserData(geom);
kernel_assert(scene);
if (scene) { if (scene) {
rtcOccluded1(scene, &rtc_ctx.context, &rtc_ray); rtcOccluded1(scene, &rtc_ctx.context, &rtc_ray);
} }
} }
}
else {
rtcOccluded1(kernel_data.bvh.scene, &rtc_ctx.context, &rtc_ray);
}
return local_isect->num_hits > 0; return local_isect->num_hits > 0;
} }
# endif /* __EMBREE__ */ # endif /* __EMBREE__ */
# ifdef __OBJECT_MOTION__ # ifdef __OBJECT_MOTION__
if (kernel_data.bvh.have_motion) { if (kernel_data.bvh.have_motion) {
return bvh_intersect_local_motion(kg, ray, local_isect, local_object, lcg_state, max_hits); return bvh_intersect_local_motion(kg, ray, local_isect, local_object, lcg_state, max_hits);
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