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path: root/intern/cycles/kernel/bvh/bvh_embree.h
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Diffstat (limited to 'intern/cycles/kernel/bvh/bvh_embree.h')
-rw-r--r--intern/cycles/kernel/bvh/bvh_embree.h159
1 files changed, 9 insertions, 150 deletions
diff --git a/intern/cycles/kernel/bvh/bvh_embree.h b/intern/cycles/kernel/bvh/bvh_embree.h
index 72bc06cc831..34a099ebb4d 100644
--- a/intern/cycles/kernel/bvh/bvh_embree.h
+++ b/intern/cycles/kernel/bvh/bvh_embree.h
@@ -71,9 +71,7 @@ public:
CCLIntersectContext* userRayExt;
};
-ccl_device_inline void kernel_embree_setup_ray(const Ray& ray,
- RTCRay& rtc_ray,
- const uint visibility)
+ccl_device_inline void kernel_embree_setup_ray(const Ray& ray, RTCRay& rtc_ray, const uint visibility)
{
rtc_ray.org_x = ray.P.x;
rtc_ray.org_y = ray.P.y;
@@ -87,19 +85,14 @@ ccl_device_inline void kernel_embree_setup_ray(const Ray& ray,
rtc_ray.mask = visibility;
}
-ccl_device_inline void kernel_embree_setup_rayhit(const Ray& ray,
- RTCRayHit& rayhit,
- const uint visibility)
+ccl_device_inline void kernel_embree_setup_rayhit(const Ray& ray, RTCRayHit& rayhit, const uint visibility)
{
kernel_embree_setup_ray(ray, rayhit.ray, visibility);
rayhit.hit.geomID = RTC_INVALID_GEOMETRY_ID;
rayhit.hit.primID = RTC_INVALID_GEOMETRY_ID;
}
-ccl_device_inline void kernel_embree_convert_hit(KernelGlobals *kg,
- const RTCRay *ray,
- const RTCHit *hit,
- Intersection *isect)
+ccl_device_inline void kernel_embree_convert_hit(KernelGlobals *kg, const RTCRay *ray, const RTCHit *hit, Intersection *isect)
{
bool is_hair = hit->geomID & 1;
isect->u = is_hair ? hit->u : 1.0f - hit->v - hit->u;
@@ -107,161 +100,27 @@ ccl_device_inline void kernel_embree_convert_hit(KernelGlobals *kg,
isect->t = ray->tfar;
isect->Ng = make_float3(hit->Ng_x, hit->Ng_y, hit->Ng_z);
if(hit->instID[0] != RTC_INVALID_GEOMETRY_ID) {
- RTCScene inst_scene = (RTCScene)rtcGetGeometryUserData(
- rtcGetGeometry(kernel_data.bvh.scene, hit->instID[0]));
- isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(
- rtcGetGeometry(inst_scene, hit->geomID)) +
- kernel_tex_fetch(__object_node, hit->instID[0]/2);
+ RTCScene inst_scene = (RTCScene)rtcGetGeometryUserData(rtcGetGeometry(kernel_data.bvh.scene, hit->instID[0]));
+ isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(rtcGetGeometry(inst_scene, hit->geomID)) + kernel_tex_fetch(__object_node, hit->instID[0]/2);
isect->object = hit->instID[0]/2;
}
else {
- isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(
- rtcGetGeometry(kernel_data.bvh.scene, hit->geomID));
+ isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(rtcGetGeometry(kernel_data.bvh.scene, hit->geomID));
isect->object = OBJECT_NONE;
}
isect->type = kernel_tex_fetch(__prim_type, isect->prim);
}
-ccl_device_inline void kernel_embree_convert_local_hit(KernelGlobals *kg,
- const RTCRay *ray,
- const RTCHit *hit,
- Intersection *isect,
- int local_object_id)
+ccl_device_inline void kernel_embree_convert_local_hit(KernelGlobals *kg, const RTCRay *ray, const RTCHit *hit, Intersection *isect, int local_object_id)
{
isect->u = 1.0f - hit->v - hit->u;
isect->v = hit->u;
isect->t = ray->tfar;
isect->Ng = make_float3(hit->Ng_x, hit->Ng_y, hit->Ng_z);
- RTCScene inst_scene = (RTCScene)rtcGetGeometryUserData(
- rtcGetGeometry(kernel_data.bvh.scene, local_object_id * 2));
- isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(
- rtcGetGeometry(inst_scene, hit->geomID)) +
- kernel_tex_fetch(__object_node, local_object_id);
+ RTCScene inst_scene = (RTCScene)rtcGetGeometryUserData(rtcGetGeometry(kernel_data.bvh.scene, local_object_id * 2));
+ isect->prim = hit->primID + (intptr_t)rtcGetGeometryUserData(rtcGetGeometry(inst_scene, hit->geomID)) + kernel_tex_fetch(__object_node, local_object_id);
isect->object = local_object_id;
isect->type = kernel_tex_fetch(__prim_type, isect->prim);
}
-ccl_device_inline bool embree_scene_intersect(KernelGlobals *kg,
- const Ray *ray,
- const uint visibility,
- Intersection *isect)
-{
- kernel_assert(kernel_data.bvh.scene != NULL);
- isect->t = ray->t;
- CCLIntersectContext ctx(kg, CCLIntersectContext::RAY_REGULAR);
- IntersectContext rtc_ctx(&ctx);
- RTCRayHit ray_hit;
- kernel_embree_setup_rayhit(*ray, ray_hit, visibility);
- rtcIntersect1(kernel_data.bvh.scene, &rtc_ctx.context, &ray_hit);
- if(ray_hit.hit.geomID != RTC_INVALID_GEOMETRY_ID &&
- ray_hit.hit.primID != RTC_INVALID_GEOMETRY_ID)
- {
- kernel_embree_convert_hit(kg, &ray_hit.ray, &ray_hit.hit, isect);
- return true;
- }
- return false;
-}
-
-#ifdef __BVH_LOCAL__
-ccl_device_inline bool embree_scene_intersect_local(
- KernelGlobals *kg,
- const Ray ray,
- LocalIntersection *local_isect,
- int local_object,
- uint *lcg_state,
- int max_hits)
-{
- kernel_assert(kernel_data.bvh.scene != NULL);
- CCLIntersectContext ctx(kg, CCLIntersectContext::RAY_SSS);
- ctx.lcg_state = lcg_state;
- ctx.max_hits = max_hits;
- ctx.ss_isect = local_isect;
- local_isect->num_hits = 0;
- ctx.sss_object_id = local_object;
- IntersectContext rtc_ctx(&ctx);
- RTCRay rtc_ray;
- kernel_embree_setup_ray(ray, rtc_ray, PATH_RAY_ALL_VISIBILITY);
- /* Get the Embree scene for this intersection. */
- RTCGeometry geom = rtcGetGeometry(kernel_data.bvh.scene, local_object * 2);
- if(geom) {
- float3 P = ray.P;
- float3 dir = 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;
- rtc_ray.tfar = bvh_instance_motion_push(kg,
- local_object,
- &ray,
- &P,
- &dir,
- &idir,
- ray.t,
- &ob_itfm);
- /* bvh_instance_motion_push() returns the inverse transform but
- * it's not needed here. */
- (void) ob_itfm;
-
- rtc_ray.org_x = P.x;
- rtc_ray.org_y = P.y;
- rtc_ray.org_z = P.z;
- rtc_ray.dir_x = dir.x;
- rtc_ray.dir_y = dir.y;
- rtc_ray.dir_z = dir.z;
- }
- RTCScene scene = (RTCScene)rtcGetGeometryUserData(geom);
- if(scene) {
- rtcOccluded1(scene, &rtc_ctx.context, &rtc_ray);
- }
- }
- return local_isect->num_hits > 0;
-}
-#endif /* __BVH_LOCAL__ */
-
-#ifdef __SHADOW_RECORD_ALL__
-ccl_device_inline bool embree_scene_intersect_shadow_all(
- KernelGlobals *kg,
- const Ray *ray,
- Intersection *isect,
- uint max_hits,
- uint *num_hits)
-{
- kernel_assert(kernel_data.bvh.scene != NULL);
- CCLIntersectContext ctx(kg, CCLIntersectContext::RAY_SHADOW_ALL);
- ctx.isect_s = isect;
- ctx.max_hits = max_hits;
- ctx.num_hits = 0;
- IntersectContext rtc_ctx(&ctx);
- RTCRay rtc_ray;
- kernel_embree_setup_ray(*ray, rtc_ray, PATH_RAY_SHADOW);
- rtcOccluded1(kernel_data.bvh.scene, &rtc_ctx.context, &rtc_ray);
- if(ctx.num_hits > max_hits) {
- return true;
- }
- *num_hits = ctx.num_hits;
- return rtc_ray.tfar == -INFINITY;
-}
-#endif /* __SHADOW_RECORD_ALL__ */
-
-#ifdef __VOLUME_RECORD_ALL__
-ccl_device_inline uint embree_scene_intersect_volume_all(
- KernelGlobals *kg,
- const Ray *ray,
- Intersection *isect,
- const uint max_hits,
- const uint visibility)
-{
- kernel_assert(kernel_data.bvh.scene != NULL);
- CCLIntersectContext ctx(kg, CCLIntersectContext::RAY_VOLUME_ALL);
- ctx.isect_s = isect;
- ctx.max_hits = max_hits;
- ctx.num_hits = 0;
- IntersectContext rtc_ctx(&ctx);
- RTCRay rtc_ray;
- kernel_embree_setup_ray(*ray, rtc_ray, visibility);
- rtcOccluded1(kernel_data.bvh.scene, &rtc_ctx.context, &rtc_ray);
- return rtc_ray.tfar == -INFINITY;
-}
-#endif /* __VOLUME_RECORD_ALL__ */
-
CCL_NAMESPACE_END
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