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|
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "../../kernels/common/default.h"
#include "../../include/embree3/rtcore.h"
RTC_NAMESPACE_USE
#include "../common/math/random_sampler.h"
namespace embree
{
typedef decltype(nullptr) nullptr_t;
inline std::string string_of(RTCError code)
{
switch (code) {
case RTC_ERROR_UNKNOWN : return "RTC_ERROR_UNKNOWN";
case RTC_ERROR_INVALID_ARGUMENT : return "RTC_ERROR_INVALID_ARGUMENT";
case RTC_ERROR_INVALID_OPERATION: return "RTC_ERROR_INVALID_OPERATION";
case RTC_ERROR_OUT_OF_MEMORY : return "RTC_ERROR_OUT_OF_MEMORY";
case RTC_ERROR_UNSUPPORTED_CPU : return "RTC_ERROR_UNSUPPORTED_CPU";
case RTC_ERROR_CANCELLED : return "RTC_ERROR_CANCELLED";
default : return "invalid error code";
}
}
struct RTCDeviceRef
{
public:
mutable RTCDevice device;
RTCDeviceRef ()
: device(nullptr) {}
RTCDeviceRef (nullptr_t)
: device(nullptr) {}
RTCDeviceRef (RTCDevice device)
: device(device) {}
RTCDeviceRef (const RTCDeviceRef& in)
{
device = in.device;
in.device = nullptr;
}
~RTCDeviceRef ()
{
if (device == nullptr) return;
rtcReleaseDevice(device);
}
operator RTCDevice () const { return device; }
RTCDeviceRef& operator= (RTCDevice in)
{
device = in;
return *this;
}
RTCDeviceRef& operator= (const RTCDeviceRef& in)
{
if (in.device != device && device)
rtcReleaseDevice(device);
device = in.device;
in.device = nullptr;
return *this;
}
RTCDeviceRef& operator= (nullptr_t)
{
if (device) rtcReleaseDevice(device);
device = nullptr;
return *this;
}
};
struct RTCSceneRef
{
public:
mutable RTCScene scene;
RTCSceneRef (nullptr_t)
: scene(nullptr) {}
RTCSceneRef (RTCScene scene)
: scene(scene) {}
~RTCSceneRef () {
rtcReleaseScene(scene);
}
__forceinline operator RTCScene () const { return scene; }
__forceinline RTCSceneRef& operator= (const RTCSceneRef& in)
{
RTCScene tmp = in.scene;
in.scene = nullptr;
if (scene) rtcReleaseScene(scene);
scene = tmp;
return *this;
}
__forceinline RTCSceneRef& operator= (RTCScene in)
{
if (scene) rtcReleaseScene(scene);
scene = in;
return *this;
}
__forceinline RTCSceneRef& operator= (nullptr_t)
{
if (scene) rtcReleaseScene(scene);
scene = nullptr;
return *this;
}
};
__forceinline void clearRay(RTCRayHit& rh)
{
rh.ray.org_x = zero;
rh.ray.org_y = zero;
rh.ray.org_z = zero;
rh.ray.dir_x = zero;
rh.ray.dir_y = zero;
rh.ray.dir_z = zero;
rh.ray.tnear = pos_inf;
rh.ray.tfar = neg_inf;
rh.ray.time = 0;
rh.ray.mask = -1;
rh.ray.id = -1;
rh.hit.Ng_x = 0.0f;
rh.hit.Ng_y = 0.0f;
rh.hit.Ng_z = 0.0f;
rh.hit.u = 0.0f;
rh.hit.v = 0.0f;
rh.hit.geomID = -1;
rh.hit.primID = -1;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rh.hit.instID[l] = RTC_INVALID_GEOMETRY_ID;
}
__forceinline RTCRayHit makeRay(const Vec3fa& org, const Vec3fa& dir)
{
RTCRayHit rh; clearRay(rh);
rh.ray.org_x = org.x; rh.ray.org_y = org.y; rh.ray.org_z = org.z;
rh.ray.dir_x = dir.x; rh.ray.dir_y = dir.y; rh.ray.dir_z = dir.z;
rh.ray.tnear = 0.0f; rh.ray.tfar = inf;
rh.ray.time = 0; rh.ray.mask = -1;
rh.hit.geomID = rh.hit.primID = -1;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rh.hit.instID[l] = RTC_INVALID_GEOMETRY_ID;
return rh;
}
__forceinline RTCRayHit makeRay(const Vec3fa& org, const Vec3fa& dir, float tnear, float tfar)
{
RTCRayHit rh; clearRay(rh);
rh.ray.org_x = org.x; rh.ray.org_y = org.y; rh.ray.org_z = org.z;
rh.ray.dir_x = dir.x; rh.ray.dir_y = dir.y; rh.ray.dir_z = dir.z;
rh.ray.tnear = tnear; rh.ray.tfar = tfar;
rh.ray.time = 0; rh.ray.mask = -1;
rh.hit.geomID = rh.hit.primID = -1;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rh.hit.instID[l] = RTC_INVALID_GEOMETRY_ID;
return rh;
}
__forceinline RTCRayHit fastMakeRay(const Vec3fa& org, const Vec3fa& dir)
{
RTCRayHit rh;
*(Vec3fa*)&rh.ray.org_x = org;
*(Vec3fa*)&rh.ray.dir_x = dir;
rh.ray.tnear = 0.0f;
rh.ray.tfar = inf;
rh.ray.time = 0;
rh.ray.mask = -1;
rh.ray.id = -1;
rh.hit.geomID = rh.hit.primID = -1;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rh.hit.instID[l] = RTC_INVALID_GEOMETRY_ID;
return rh;
}
__forceinline RTCRayHit fastMakeRay(const Vec3fa& org, RandomSampler& sampler)
{
return fastMakeRay(org, 2.0f*RandomSampler_get3D(sampler)-Vec3fa(1.0f));
}
__forceinline void fastMakeRay(RTCRayHit& rh, const Vec3fa& org, const Vec3fa& dir)
{
*(Vec3fa*)&rh.ray.org_x = org;
*(Vec3fa*)&rh.ray.dir_x = dir;
rh.ray.tnear = 0.0f;
rh.ray.tfar = inf;
rh.ray.time = 0;
rh.ray.mask = -1;
rh.ray.id = -1;
rh.hit.geomID = rh.hit.primID = rh.hit.instID[0] = -1;
}
__forceinline void fastMakeRay(RTCRayHit& ray, const Vec3fa& org, RandomSampler& sampler)
{
fastMakeRay(ray, org, 2.0f*RandomSampler_get3D(sampler)-Vec3fa(1.0f));
}
__forceinline RTCRayHit fastMakeRay(Vec3f org, Vec3f dir, float tnear, float tfar)
{
RTCRayHit rh;
rh.ray.org_x = org.x; rh.ray.org_y = org.y; rh.ray.org_z = org.z; // FIXME: optimize
rh.ray.dir_x = dir.x; rh.ray.dir_y = dir.y; rh.ray.dir_z = dir.z;
rh.ray.tnear = tnear; rh.ray.tfar = tfar;
rh.ray.time = 0; rh.ray.mask = -1; rh.ray.id = -1;
rh.hit.geomID = rh.hit.primID = -1;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rh.hit.instID[l] = RTC_INVALID_GEOMETRY_ID;
return rh;
}
__forceinline bool neq_ray_special (const RTCRayHit& ray0, const RTCRayHit& ray1)
{
if (*(int*)&ray0.ray.org_x != *(int*)&ray1.ray.org_x) return true;
if (*(int*)&ray0.ray.org_y != *(int*)&ray1.ray.org_y) return true;
if (*(int*)&ray0.ray.org_z != *(int*)&ray1.ray.org_z) return true;
if (*(int*)&ray0.ray.dir_x != *(int*)&ray1.ray.dir_x) return true;
if (*(int*)&ray0.ray.dir_y != *(int*)&ray1.ray.dir_y) return true;
if (*(int*)&ray0.ray.dir_z != *(int*)&ray1.ray.dir_z) return true;
if (*(int*)&ray0.ray.tnear != *(int*)&ray1.ray.tnear ) return true;
if (*(int*)&ray0.ray.tfar != *(int*)&ray1.ray.tfar ) return true;
if (*(int*)&ray0.ray.time != *(int*)&ray1.ray.time ) return true;
if (*(int*)&ray0.ray.mask != *(int*)&ray1.ray.mask ) return true;
if (*(int*)&ray0.ray.id != *(int*)&ray1.ray.id ) return true;
if (*(int*)&ray0.hit.u != *(int*)&ray1.hit.u ) return true;
if (*(int*)&ray0.hit.v != *(int*)&ray1.hit.v ) return true;
if (*(int*)&ray0.hit.instID != *(int*)&ray1.hit.instID) return true;
if (*(int*)&ray0.hit.geomID != *(int*)&ray1.hit.geomID) return true;
if (*(int*)&ray0.hit.primID != *(int*)&ray1.hit.primID) return true;
if (*(int*)&ray0.hit.Ng_x != *(int*)&ray1.hit.Ng_x ) return true;
if (*(int*)&ray0.hit.Ng_y != *(int*)&ray1.hit.Ng_y ) return true;
if (*(int*)&ray0.hit.Ng_z != *(int*)&ray1.hit.Ng_z ) return true;
return false;
}
/* Outputs ray to stream */
__forceinline embree_ostream operator<<(embree_ostream cout, const RTCRayHit& rh)
{
cout << "Ray { " << embree_endl
<< " org = " << rh.ray.org_x << " " << rh.ray.org_y << " " << rh.ray.org_z << embree_endl
<< " dir = " << rh.ray.dir_x << " " << rh.ray.dir_y << " " << rh.ray.dir_z << embree_endl
<< " near = " << rh.ray.tnear << embree_endl
<< " far = " << rh.ray.tfar << embree_endl
<< " time = " << rh.ray.time << embree_endl
<< " mask = " << rh.ray.mask << embree_endl
<< " id = " << rh.ray.id << embree_endl
<< " instID =";
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
{
cout << " " << rh.hit.instID[l];
if (rh.hit.instID[l] == RTC_INVALID_GEOMETRY_ID)
break;
}
cout << embree_endl
<< " geomID = " << rh.hit.geomID << embree_endl
<< " primID = " << rh.hit.primID << embree_endl
<< " u = " << rh.hit.u << embree_endl
<< " v = " << rh.hit.v << embree_endl
<< " Ng = " << rh.hit.Ng_x << " " << rh.hit.Ng_y << " " << rh.hit.Ng_z << embree_endl
<< "}";
return cout;
}
__forceinline void setRay(RTCRayHit4& ray_o, size_t i, const RTCRayHit& ray_i)
{
ray_o.ray.org_x[i] = ray_i.ray.org_x;
ray_o.ray.org_y[i] = ray_i.ray.org_y;
ray_o.ray.org_z[i] = ray_i.ray.org_z;
ray_o.ray.dir_x[i] = ray_i.ray.dir_x;
ray_o.ray.dir_y[i] = ray_i.ray.dir_y;
ray_o.ray.dir_z[i] = ray_i.ray.dir_z;
ray_o.ray.tnear[i] = ray_i.ray.tnear;
ray_o.ray.tfar[i] = ray_i.ray.tfar;
ray_o.ray.time[i] = ray_i.ray.time;
ray_o.ray.mask[i] = ray_i.ray.mask;
ray_o.ray.id[i] = ray_i.ray.id;
ray_o.hit.geomID[i] = ray_i.hit.geomID;
ray_o.hit.primID[i] = ray_i.hit.primID;
ray_o.hit.u[i] = ray_i.hit.u;
ray_o.hit.v[i] = ray_i.hit.v;
ray_o.hit.Ng_x[i] = ray_i.hit.Ng_x;
ray_o.hit.Ng_y[i] = ray_i.hit.Ng_y;
ray_o.hit.Ng_z[i] = ray_i.hit.Ng_z;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l][i] = ray_i.hit.instID[l];
}
__forceinline void setRay(RTCRayHit8& ray_o, size_t i, const RTCRayHit& ray_i)
{
ray_o.ray.org_x[i] = ray_i.ray.org_x;
ray_o.ray.org_y[i] = ray_i.ray.org_y;
ray_o.ray.org_z[i] = ray_i.ray.org_z;
ray_o.ray.dir_x[i] = ray_i.ray.dir_x;
ray_o.ray.dir_y[i] = ray_i.ray.dir_y;
ray_o.ray.dir_z[i] = ray_i.ray.dir_z;
ray_o.ray.tnear[i] = ray_i.ray.tnear;
ray_o.ray.tfar[i] = ray_i.ray.tfar;
ray_o.ray.time[i] = ray_i.ray.time;
ray_o.ray.mask[i] = ray_i.ray.mask;
ray_o.ray.id[i] = ray_i.ray.id;
ray_o.hit.geomID[i] = ray_i.hit.geomID;
ray_o.hit.primID[i] = ray_i.hit.primID;
ray_o.hit.u[i] = ray_i.hit.u;
ray_o.hit.v[i] = ray_i.hit.v;
ray_o.hit.Ng_x[i] = ray_i.hit.Ng_x;
ray_o.hit.Ng_y[i] = ray_i.hit.Ng_y;
ray_o.hit.Ng_z[i] = ray_i.hit.Ng_z;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l][i] = ray_i.hit.instID[l];
}
__forceinline void setRay(RTCRayHit16& ray_o, size_t i, const RTCRayHit& ray_i)
{
ray_o.ray.org_x[i] = ray_i.ray.org_x;
ray_o.ray.org_y[i] = ray_i.ray.org_y;
ray_o.ray.org_z[i] = ray_i.ray.org_z;
ray_o.ray.dir_x[i] = ray_i.ray.dir_x;
ray_o.ray.dir_y[i] = ray_i.ray.dir_y;
ray_o.ray.dir_z[i] = ray_i.ray.dir_z;
ray_o.ray.tnear[i] = ray_i.ray.tnear;
ray_o.ray.tfar[i] = ray_i.ray.tfar;
ray_o.ray.time[i] = ray_i.ray.time;
ray_o.ray.mask[i] = ray_i.ray.mask;
ray_o.ray.id[i] = ray_i.ray.id;
ray_o.hit.geomID[i] = ray_i.hit.geomID;
ray_o.hit.primID[i] = ray_i.hit.primID;
ray_o.hit.u[i] = ray_i.hit.u;
ray_o.hit.v[i] = ray_i.hit.v;
ray_o.hit.Ng_x[i] = ray_i.hit.Ng_x;
ray_o.hit.Ng_y[i] = ray_i.hit.Ng_y;
ray_o.hit.Ng_z[i] = ray_i.hit.Ng_z;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l][i] = ray_i.hit.instID[l];
}
__forceinline void setRay(RTCRayHitN* rayhit_o, unsigned int N, unsigned int i, const RTCRayHit& ray_i)
{
RTCRayN* ray_o = RTCRayHitN_RayN(rayhit_o,N);
RTCRayN_org_x(ray_o,N,i) = ray_i.ray.org_x;
RTCRayN_org_y(ray_o,N,i) = ray_i.ray.org_y;
RTCRayN_org_z(ray_o,N,i) = ray_i.ray.org_z;
RTCRayN_dir_x(ray_o,N,i) = ray_i.ray.dir_x;
RTCRayN_dir_y(ray_o,N,i) = ray_i.ray.dir_y;
RTCRayN_dir_z(ray_o,N,i) = ray_i.ray.dir_z;
RTCRayN_tnear(ray_o,N,i) = ray_i.ray.tnear;
RTCRayN_tfar(ray_o,N,i) = ray_i.ray.tfar;
RTCRayN_time(ray_o,N,i) = ray_i.ray.time;
RTCRayN_mask(ray_o,N,i) = ray_i.ray.mask;
RTCRayN_id(ray_o,N,i) = ray_i.ray.id;
RTCHitN* hit_o = RTCRayHitN_HitN(rayhit_o,N);
RTCHitN_geomID(hit_o,N,i) = ray_i.hit.geomID;
RTCHitN_primID(hit_o,N,i) = ray_i.hit.primID;
RTCHitN_u(hit_o,N,i) = ray_i.hit.u;
RTCHitN_v(hit_o,N,i) = ray_i.hit.v;
RTCHitN_Ng_x(hit_o,N,i) = ray_i.hit.Ng_x;
RTCHitN_Ng_y(hit_o,N,i) = ray_i.hit.Ng_y;
RTCHitN_Ng_z(hit_o,N,i) = ray_i.hit.Ng_z;
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
RTCHitN_instID(hit_o,N,i,l) = ray_i.hit.instID[l];
}
__forceinline RTCRayHit getRay(RTCRayHit4& ray_i, size_t i)
{
RTCRayHit ray_o;
ray_o.ray.org_x = ray_i.ray.org_x[i];
ray_o.ray.org_y = ray_i.ray.org_y[i];
ray_o.ray.org_z = ray_i.ray.org_z[i];
ray_o.ray.dir_x = ray_i.ray.dir_x[i];
ray_o.ray.dir_y = ray_i.ray.dir_y[i];
ray_o.ray.dir_z = ray_i.ray.dir_z[i];
ray_o.ray.tnear = ray_i.ray.tnear[i];
ray_o.ray.tfar = ray_i.ray.tfar[i];
ray_o.ray.time = ray_i.ray.time[i];
ray_o.ray.mask = ray_i.ray.mask[i];
ray_o.ray.id = ray_i.ray.id[i];
ray_o.hit.geomID = ray_i.hit.geomID[i];
ray_o.hit.primID = ray_i.hit.primID[i];
ray_o.hit.u = ray_i.hit.u[i];
ray_o.hit.v = ray_i.hit.v[i];
ray_o.hit.Ng_x = ray_i.hit.Ng_x[i];
ray_o.hit.Ng_y = ray_i.hit.Ng_y[i];
ray_o.hit.Ng_z = ray_i.hit.Ng_z[i];
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l] = ray_i.hit.instID[l][i];
return ray_o;
}
__forceinline RTCRayHit getRay(RTCRayHit8& ray_i, size_t i)
{
RTCRayHit ray_o;
ray_o.ray.org_x = ray_i.ray.org_x[i];
ray_o.ray.org_y = ray_i.ray.org_y[i];
ray_o.ray.org_z = ray_i.ray.org_z[i];
ray_o.ray.dir_x = ray_i.ray.dir_x[i];
ray_o.ray.dir_y = ray_i.ray.dir_y[i];
ray_o.ray.dir_z = ray_i.ray.dir_z[i];
ray_o.ray.tnear = ray_i.ray.tnear[i];
ray_o.ray.tfar = ray_i.ray.tfar[i];
ray_o.ray.time = ray_i.ray.time[i];
ray_o.ray.mask = ray_i.ray.mask[i];
ray_o.ray.id = ray_i.ray.id[i];
ray_o.hit.geomID = ray_i.hit.geomID[i];
ray_o.hit.primID = ray_i.hit.primID[i];
ray_o.hit.u = ray_i.hit.u[i];
ray_o.hit.v = ray_i.hit.v[i];
ray_o.hit.Ng_x = ray_i.hit.Ng_x[i];
ray_o.hit.Ng_y = ray_i.hit.Ng_y[i];
ray_o.hit.Ng_z = ray_i.hit.Ng_z[i];
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l] = ray_i.hit.instID[l][i];
return ray_o;
}
__forceinline RTCRayHit getRay(RTCRayHit16& ray_i, size_t i)
{
RTCRayHit ray_o;
ray_o.ray.org_x = ray_i.ray.org_x[i];
ray_o.ray.org_y = ray_i.ray.org_y[i];
ray_o.ray.org_z = ray_i.ray.org_z[i];
ray_o.ray.dir_x = ray_i.ray.dir_x[i];
ray_o.ray.dir_y = ray_i.ray.dir_y[i];
ray_o.ray.dir_z = ray_i.ray.dir_z[i];
ray_o.ray.tnear = ray_i.ray.tnear[i];
ray_o.ray.tfar = ray_i.ray.tfar[i];
ray_o.ray.time = ray_i.ray.time[i];
ray_o.ray.mask = ray_i.ray.mask[i];
ray_o.ray.id = ray_i.ray.id[i];
ray_o.hit.geomID = ray_i.hit.geomID[i];
ray_o.hit.primID = ray_i.hit.primID[i];
ray_o.hit.u = ray_i.hit.u[i];
ray_o.hit.v = ray_i.hit.v[i];
ray_o.hit.Ng_x = ray_i.hit.Ng_x[i];
ray_o.hit.Ng_y = ray_i.hit.Ng_y[i];
ray_o.hit.Ng_z = ray_i.hit.Ng_z[i];
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l] = ray_i.hit.instID[l][i];
return ray_o;
}
__forceinline RTCRayHit getRay(RTCRayHitN* rayhit_i, unsigned int N, unsigned int i)
{
RTCRayHit ray_o;
RTCRayN* ray_i = RTCRayHitN_RayN(rayhit_i,N);
RTCHitN* hit_i = RTCRayHitN_HitN(rayhit_i,N);
ray_o.ray.org_x = RTCRayN_org_x(ray_i,N,i);
ray_o.ray.org_y = RTCRayN_org_y(ray_i,N,i);
ray_o.ray.org_z = RTCRayN_org_z(ray_i,N,i);
ray_o.ray.dir_x = RTCRayN_dir_x(ray_i,N,i);
ray_o.ray.dir_y = RTCRayN_dir_y(ray_i,N,i);
ray_o.ray.dir_z = RTCRayN_dir_z(ray_i,N,i);
ray_o.ray.tnear = RTCRayN_tnear(ray_i,N,i);
ray_o.ray.tfar = RTCRayN_tfar(ray_i,N,i);
ray_o.ray.time = RTCRayN_time(ray_i,N,i);
ray_o.ray.mask = RTCRayN_mask(ray_i,N,i);
ray_o.ray.id = RTCRayN_id(ray_i,N,i);
ray_o.hit.geomID = RTCHitN_geomID(hit_i,N,i);
ray_o.hit.primID = RTCHitN_primID(hit_i,N,i);
ray_o.hit.u = RTCHitN_u(hit_i,N,i);
ray_o.hit.v = RTCHitN_v(hit_i,N,i);
ray_o.hit.Ng_x = RTCHitN_Ng_x(hit_i,N,i);
ray_o.hit.Ng_y = RTCHitN_Ng_y(hit_i,N,i);
ray_o.hit.Ng_z = RTCHitN_Ng_z(hit_i,N,i);
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
ray_o.hit.instID[l] = RTCHitN_instID(hit_i, N, i, l);
return ray_o;
}
enum IntersectMode
{
MODE_INTERSECT_NONE,
MODE_INTERSECT1,
MODE_INTERSECT4,
MODE_INTERSECT8,
MODE_INTERSECT16,
MODE_INTERSECT1M,
MODE_INTERSECT1Mp,
MODE_INTERSECTNM1,
MODE_INTERSECTNM3,
MODE_INTERSECTNM4,
MODE_INTERSECTNM8,
MODE_INTERSECTNM16,
MODE_INTERSECTNp
};
inline std::string to_string(IntersectMode imode)
{
switch (imode) {
case MODE_INTERSECT_NONE: return "None";
case MODE_INTERSECT1: return "1";
case MODE_INTERSECT4: return "4";
case MODE_INTERSECT8: return "8";
case MODE_INTERSECT16: return "16";
case MODE_INTERSECT1M: return "1M";
case MODE_INTERSECT1Mp: return "1Mp";
case MODE_INTERSECTNM1: return "NM1";
case MODE_INTERSECTNM3: return "NM3";
case MODE_INTERSECTNM4: return "NM4";
case MODE_INTERSECTNM8: return "NM8";
case MODE_INTERSECTNM16: return "NM16";
case MODE_INTERSECTNp: return "Np";
default : return "U";
}
}
inline size_t alignment_of(IntersectMode imode)
{
switch (imode) {
case MODE_INTERSECT_NONE: return 0;
case MODE_INTERSECT1: return 16;
case MODE_INTERSECT4: return 16;
case MODE_INTERSECT8: return 32;
case MODE_INTERSECT16: return 64;
case MODE_INTERSECT1M: return 16;
case MODE_INTERSECT1Mp: return 16;
case MODE_INTERSECTNM1: return 16;
case MODE_INTERSECTNM3: return 16;
case MODE_INTERSECTNM4: return 16;
case MODE_INTERSECTNM8: return 16;
case MODE_INTERSECTNM16: return 16;
case MODE_INTERSECTNp: return 16;
default : return 0;
}
}
enum IntersectVariant
{
VARIANT_INTERSECT = 1,
VARIANT_OCCLUDED = 2,
VARIANT_COHERENT = 0,
VARIANT_INCOHERENT = 4,
VARIANT_INTERSECT_OCCLUDED_MASK = 3,
VARIANT_COHERENT_INCOHERENT_MASK = 4,
VARIANT_INTERSECT_COHERENT = 1,
VARIANT_OCCLUDED_COHERENT = 2,
VARIANT_INTERSECT_INCOHERENT = 5,
VARIANT_OCCLUDED_INCOHERENT = 6,
VARIANT_INTERSECT_OCCLUDED = 3,
VARIANT_INTERSECT_OCCLUDED_COHERENT = 3, // intersect but verify if occluded also finds hit or not
VARIANT_INTERSECT_OCCLUDED_INCOHERENT = 7, // intersect but verify if occluded also finds hit or not
};
inline std::string to_string(IntersectVariant ivariant)
{
switch (ivariant) {
case VARIANT_INTERSECT_COHERENT: return "IntersectCoherent";
case VARIANT_OCCLUDED_COHERENT : return "OccludedCoherent";
case VARIANT_INTERSECT_INCOHERENT: return "IntersectIncoherent";
case VARIANT_OCCLUDED_INCOHERENT : return "OccludedIncoherent";
case VARIANT_INTERSECT_OCCLUDED_COHERENT: return "IntersectOccludedCoherent";
case VARIANT_INTERSECT_OCCLUDED_INCOHERENT : return "IntersectOccludedIncoherent";
default: assert(false);
}
return "";
}
inline bool has_variant(IntersectMode imode, IntersectVariant ivariant)
{
switch (imode) {
case MODE_INTERSECT1:
case MODE_INTERSECT4:
case MODE_INTERSECT8:
case MODE_INTERSECT16:
switch (ivariant) {
case VARIANT_INTERSECT: return true;
case VARIANT_OCCLUDED : return true;
case VARIANT_INTERSECT_OCCLUDED : return true;
default: return false;
}
default:
return true;
}
}
inline std::string to_string(IntersectMode imode, IntersectVariant ivariant)
{
switch (imode) {
case MODE_INTERSECT1:
case MODE_INTERSECT4:
case MODE_INTERSECT8:
case MODE_INTERSECT16:
switch (ivariant) {
case VARIANT_INTERSECT: return "Intersect" + to_string(imode);
case VARIANT_OCCLUDED : return "Occluded" + to_string(imode);
case VARIANT_INTERSECT_OCCLUDED : return "IntersectOccluded" + to_string(imode);
default: assert(false);
}
default:
return to_string(ivariant) + to_string(imode);
}
}
inline std::string to_string(RTCSceneFlags scene_flags)
{
std::string ret;
if (scene_flags & RTC_SCENE_FLAG_DYNAMIC) ret += "Dynamic";
else ret += "Static";
if (scene_flags & RTC_SCENE_FLAG_COMPACT) ret += "Compact";
if (scene_flags & RTC_SCENE_FLAG_ROBUST ) ret += "Robust";
if (!(scene_flags & RTC_SCENE_FLAG_COMPACT) && !(scene_flags & RTC_SCENE_FLAG_ROBUST)) ret += "Fast";
return ret;
}
inline std::string to_string(RTCBuildQuality quality_flags)
{
if (quality_flags == RTC_BUILD_QUALITY_LOW ) return "LowQuality";
else if (quality_flags == RTC_BUILD_QUALITY_MEDIUM) return "MediumQuality";
else if (quality_flags == RTC_BUILD_QUALITY_HIGH ) return "HighQuality";
else if (quality_flags == RTC_BUILD_QUALITY_REFIT ) return "RefitQuality";
else { assert(false); return ""; }
}
struct SceneFlags
{
SceneFlags (RTCSceneFlags sflags, RTCBuildQuality qflags)
: sflags(sflags), qflags(qflags) {}
RTCSceneFlags sflags;
RTCBuildQuality qflags;
};
inline std::string to_string(SceneFlags sflags) {
return to_string(sflags.sflags) + "." + to_string(sflags.qflags);
}
inline std::string to_string(SceneFlags sflags, RTCBuildQuality quality) {
return to_string(sflags)+to_string(quality);
}
static const size_t numSceneFlags = 8*3;
SceneFlags getSceneFlags(size_t i) {
i = i % numSceneFlags;
return SceneFlags((RTCSceneFlags)(i&7),(RTCBuildQuality)(i>>3));
}
static const size_t numSceneGeomFlags = 32;
inline bool supportsIntersectMode(RTCDevice device, IntersectMode imode)
{
switch (imode) {
case MODE_INTERSECT_NONE: return true;
case MODE_INTERSECT1: return true;
case MODE_INTERSECT4: return true;
case MODE_INTERSECT8: return true;
case MODE_INTERSECT16: return true;
case MODE_INTERSECT1M: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECT1Mp: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNM1: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNM3: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNM4: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNM8: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNM16:return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
case MODE_INTERSECTNp: return rtcGetDeviceProperty(device,RTC_DEVICE_PROPERTY_RAY_STREAM_SUPPORTED);
}
assert(false);
return false;
}
template<int N>
__noinline void IntersectWithNMMode(IntersectVariant ivariant, RTCScene scene, RTCIntersectContext* context, RTCRayHit* rays, size_t Nrays)
{
assert(Nrays<1024);
const size_t alignment = size_t(rays) % 64;
__aligned(64) char data[1024*sizeof(RTCRayHit)+64];
assert((size_t)data % 64 == 0);
for (size_t i=0; i<Nrays; i+=N)
{
unsigned int L = (unsigned int)min(size_t(N),Nrays-i);
RTCRayHitN* ray = (RTCRayHitN*) &data[alignment+i*sizeof(RTCRayHit)];
for (unsigned int j=0; j<L; j++) setRay(ray,N,j,rays[i+j]);
for (unsigned int j=L; j<N; j++) setRay(ray,N,j,makeRay(zero,zero,pos_inf,neg_inf));
}
unsigned int M = ((unsigned int)Nrays+N-1)/N;
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersectNM(scene,context,(RTCRayHitN*)&data[alignment],N,M,N*sizeof(RTCRayHit)); break;
case VARIANT_OCCLUDED : rtcOccludedNM(scene,context,(RTCRayN*)&data[alignment],N,M,N*sizeof(RTCRayHit)); break;
default: assert(false);
}
for (size_t i=0; i<Nrays; i+=N)
{
size_t L = min(size_t(N),Nrays-i);
RTCRayHitN* ray = (RTCRayHitN*) &data[alignment+i*sizeof(RTCRayHit)];
for (unsigned int j=0; j<L; j++) rays[i+j] = getRay(ray,N,j);
}
}
__noinline void IntersectWithNpMode(IntersectVariant ivariant, RTCScene scene, RTCIntersectContext* context, RTCRayHit* rays, unsigned int N)
{
assert(N < 1024);
const size_t alignment = size_t(rays) % 64;
__aligned(64) char data[1024 * sizeof(RTCRayHit) + 64];
RTCRayHitN* rayhit = (RTCRayHitN*)&data[alignment];
for (unsigned int j = 0; j < N; j++) setRay(rayhit, N, j, rays[j]);
RTCRayHitNp rayp;
RTCRayN* ray = RTCRayHitN_RayN(rayhit,N);
RTCHitN* hit = RTCRayHitN_HitN(rayhit,N);
rayp.ray.org_x = &RTCRayN_org_x(ray, N, 0);
rayp.ray.org_y = &RTCRayN_org_y(ray, N, 0);
rayp.ray.org_z = &RTCRayN_org_z(ray, N, 0);
rayp.ray.dir_x = &RTCRayN_dir_x(ray, N, 0);
rayp.ray.dir_y = &RTCRayN_dir_y(ray, N, 0);
rayp.ray.dir_z = &RTCRayN_dir_z(ray, N, 0);
rayp.ray.tnear = &RTCRayN_tnear(ray, N, 0);
rayp.ray.tfar = &RTCRayN_tfar(ray, N, 0);
rayp.ray.time = &RTCRayN_time(ray, N, 0);
rayp.ray.mask = &RTCRayN_mask(ray, N, 0);
rayp.ray.id = &RTCRayN_id(ray, N, 0);
rayp.ray.flags = &RTCRayN_flags(ray, N, 0);
rayp.hit.geomID = &RTCHitN_geomID(hit, N, 0);
rayp.hit.primID = &RTCHitN_primID(hit, N, 0);
rayp.hit.u = &RTCHitN_u(hit, N, 0);
rayp.hit.v = &RTCHitN_v(hit, N, 0);
rayp.hit.Ng_x = &RTCHitN_Ng_x(hit, N, 0);
rayp.hit.Ng_y = &RTCHitN_Ng_y(hit, N, 0);
rayp.hit.Ng_z = &RTCHitN_Ng_z(hit, N, 0);
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
rayp.hit.instID[l] = &RTCHitN_instID(hit, N, 0, l);
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersectNp(scene, context, &rayp, N); break;
case VARIANT_OCCLUDED: rtcOccludedNp(scene, context, (RTCRayNp*)&rayp, N); break;
default: assert(false);
}
for (unsigned int j = 0; j < N; j++) rays[j] = getRay(rayhit, N, j);
}
__noinline void IntersectWithModeInternal(IntersectMode mode, IntersectVariant ivariant, RTCScene scene, RTCRayHit* rays, unsigned int N,
RTCIntersectContext* context)
{
RTCIntersectContext _context;
if (!context)
{
rtcInitIntersectContext(&_context);
context = &_context;
}
context->flags = ((ivariant & VARIANT_COHERENT_INCOHERENT_MASK) == VARIANT_COHERENT) ? RTC_INTERSECT_CONTEXT_FLAG_COHERENT : RTC_INTERSECT_CONTEXT_FLAG_INCOHERENT;
switch (mode)
{
case MODE_INTERSECT_NONE:
break;
case MODE_INTERSECT1:
{
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: for (size_t i=0; i<N; i++) rtcIntersect1(scene,context,&rays[i]); break;
case VARIANT_OCCLUDED : for (size_t i=0; i<N; i++) rtcOccluded1 (scene,context,(RTCRay*)&rays[i]); break;
default: assert(false);
}
break;
}
case MODE_INTERSECT4:
{
for (size_t i=0; i<N; i+=4)
{
size_t M = min(size_t(4),N-i);
__aligned(16) int valid[4];
__aligned(16) RTCRayHit4 ray4;
for (size_t j=0; j<4; j++) valid[j] = (j<M && rays[i+j].ray.tnear <= rays[i+j].ray.tfar) ? -1 : 0;
for (size_t j=0; j<M; j++) setRay(ray4,j,rays[i+j]);
for (size_t j=M; j<4; j++) setRay(ray4,j,makeRay(zero,zero,pos_inf,neg_inf));
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersect4(valid,scene,context,&ray4); break;
case VARIANT_OCCLUDED : rtcOccluded4 (valid,scene,context,(RTCRay4*)&ray4); break;
default: assert(false);
}
for (size_t j=0; j<M; j++) rays[i+j] = getRay(ray4,j);
}
break;
}
case MODE_INTERSECT8:
{
for (size_t i=0; i<N; i+=8)
{
size_t M = min(size_t(8),N-i);
__aligned(32) int valid[8];
__aligned(32) RTCRayHit8 ray8;
for (size_t j=0; j<8; j++) valid[j] = (j<M && rays[i+j].ray.tnear <= rays[i+j].ray.tfar) ? -1 : 0;
for (size_t j=0; j<M; j++) setRay(ray8,j,rays[i+j]);
for (size_t j=M; j<8; j++) setRay(ray8,j,makeRay(zero,zero,pos_inf,neg_inf));
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersect8(valid,scene,context,&ray8); break;
case VARIANT_OCCLUDED : rtcOccluded8 (valid,scene,context,(RTCRay8*)&ray8); break;
default: assert(false);
}
for (size_t j=0; j<M; j++) rays[i+j] = getRay(ray8,j);
}
break;
}
case MODE_INTERSECT16:
{
for (size_t i=0; i<N; i+=16)
{
size_t M = min(size_t(16),N-i);
__aligned(64) int valid[16];
__aligned(64) RTCRayHit16 ray16;
for (size_t j=0; j<16; j++) valid[j] = (j<M && rays[i+j].ray.tnear <= rays[i+j].ray.tfar) ? -1 : 0;
for (size_t j=0; j<M ; j++) setRay(ray16,j,rays[i+j]);
for (size_t j=M; j<16; j++) setRay(ray16,j,makeRay(zero,zero,pos_inf,neg_inf));
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersect16(valid,scene,context,&ray16); break;
case VARIANT_OCCLUDED : rtcOccluded16 (valid,scene,context,(RTCRay16*)&ray16); break;
default: assert(false);
}
for (size_t j=0; j<M; j++) rays[i+j] = getRay(ray16,j);
}
break;
}
case MODE_INTERSECT1M:
{
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersect1M(scene,context,rays,N,sizeof(RTCRayHit)); break;
case VARIANT_OCCLUDED : rtcOccluded1M (scene,context,(RTCRay*)rays,N,sizeof(RTCRayHit)); break;
default: assert(false);
}
break;
}
case MODE_INTERSECT1Mp:
{
assert(N<1024);
RTCRayHit* rptrs[1024];
for (size_t i=0; i<N; i++) rptrs[i] = &rays[i];
switch (ivariant & VARIANT_INTERSECT_OCCLUDED_MASK) {
case VARIANT_INTERSECT: rtcIntersect1Mp(scene,context,rptrs,N); break;
case VARIANT_OCCLUDED : rtcOccluded1Mp (scene,context,(RTCRay**)rptrs,N); break;
default: assert(false);
}
break;
}
case MODE_INTERSECTNM1: {
IntersectWithNMMode<1>(ivariant,scene,context,rays,N);
break;
}
case MODE_INTERSECTNM3: {
IntersectWithNMMode<3>(ivariant,scene,context,rays,N);
break;
}
case MODE_INTERSECTNM4: {
IntersectWithNMMode<4>(ivariant,scene,context,rays,N);
break;
}
case MODE_INTERSECTNM8: {
IntersectWithNMMode<8>(ivariant,scene,context,rays,N);
break;
}
case MODE_INTERSECTNM16: {
IntersectWithNMMode<16>(ivariant,scene,context,rays,N);
break;
}
case MODE_INTERSECTNp: {
IntersectWithNpMode(ivariant, scene, context, rays, N);
break;
}
}
}
void IntersectWithMode(IntersectMode mode, IntersectVariant ivariant, RTCScene scene, RTCRayHit* rays, unsigned int N,
RTCIntersectContext* context = nullptr)
{
/* verify occluded result against intersect */
if ((ivariant & VARIANT_INTERSECT_OCCLUDED) == VARIANT_INTERSECT_OCCLUDED)
{
vector<bool> valid(N);
vector_t<RTCRayHit,aligned_allocator<RTCRayHit,16>> rays2(N);
for (size_t i=0; i<N; i++) {
valid[i] = rays[i].ray.tnear <= rays[i].ray.tfar;
rays2[i] = rays[i];
}
IntersectWithModeInternal(mode,IntersectVariant(ivariant & ~VARIANT_OCCLUDED),scene,rays,N, context);
IntersectWithModeInternal(mode,IntersectVariant(ivariant & ~VARIANT_INTERSECT),scene,rays2.data(),N, context);
for (size_t i=0; i<N; i++)
{
if (valid[i] && ((rays[i].hit.geomID == RTC_INVALID_GEOMETRY_ID) != (rays2[i].ray.tfar != float(neg_inf)))) {
throw std::runtime_error("Intersect/Occluded mismatch");
}
}
}
else
IntersectWithModeInternal(mode,ivariant,scene,rays,N, context);
}
enum GeometryType
{
TRIANGLE_MESH,
TRIANGLE_MESH_MB,
QUAD_MESH,
QUAD_MESH_MB,
GRID_MESH,
GRID_MESH_MB,
SUBDIV_MESH,
SUBDIV_MESH_MB,
BEZIER_GEOMETRY,
BEZIER_GEOMETRY_MB,
BSPLINE_GEOMETRY,
BSPLINE_GEOMETRY_MB,
CATMULL_GEOMETRY,
CATMULL_GEOMETRY_MB,
LINE_GEOMETRY,
LINE_GEOMETRY_MB,
SPHERE_GEOMETRY,
SPHERE_GEOMETRY_MB,
DISC_GEOMETRY,
DISC_GEOMETRY_MB,
ORIENTED_DISC_GEOMETRY,
ORIENTED_DISC_GEOMETRY_MB
};
inline std::string to_string(GeometryType gtype)
{
switch (gtype) {
case TRIANGLE_MESH : return "triangles";
case TRIANGLE_MESH_MB : return "triangles_mb";
case QUAD_MESH : return "quads";
case QUAD_MESH_MB : return "quads_mb";
case GRID_MESH : return "grids";
case GRID_MESH_MB : return "grids_mb";
case SUBDIV_MESH : return "subdivs";
case SUBDIV_MESH_MB : return "subdivs_mb";
case BEZIER_GEOMETRY : return "bezier";
case BEZIER_GEOMETRY_MB: return "bezier_mb";
case BSPLINE_GEOMETRY : return "bspline";
case BSPLINE_GEOMETRY_MB: return "bspline_mb";
case CATMULL_GEOMETRY : return "catmull";
case CATMULL_GEOMETRY_MB : return "catmull_mb";
case LINE_GEOMETRY : return "lines";
case LINE_GEOMETRY_MB : return "lines_mb";
case SPHERE_GEOMETRY : return "spheres";
case SPHERE_GEOMETRY_MB : return "spheres_mb";
case DISC_GEOMETRY : return "disc";
case DISC_GEOMETRY_MB : return "disc_mb";
case ORIENTED_DISC_GEOMETRY : return "oriented_disc";
case ORIENTED_DISC_GEOMETRY_MB: return "oriented_disc_mb";
}
return "";
}
inline std::string to_string(SceneFlags sflags, IntersectMode imode) {
return to_string(sflags) + "." + to_string(imode);
}
inline std::string to_string(SceneFlags sflags, IntersectMode imode, IntersectVariant ivariant) {
return to_string(sflags) + "." + to_string(imode,ivariant);
}
inline std::string to_string(GeometryType gtype, SceneFlags sflags, IntersectMode imode, IntersectVariant ivariant) {
return to_string(gtype) + "." + to_string(sflags) + "." + to_string(imode,ivariant);
}
/* error reporting function */
void error_handler(void* userPtr, const RTCError code, const char* str = nullptr)
{
if (code == RTC_ERROR_NONE)
return;
std::string errorStr;
errorStr += "Embree: ";
errorStr += string_of(code);
if (str) errorStr += " (" + std::string(str) + ")";
throw std::runtime_error(errorStr);
}
}
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