void LineSegments::interpolate(unsigned primID, float u, float v, RTCBufferType buffer, float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, size_t numFloats) { /* test if interpolation is enabled */ #if defined(DEBUG) if ((parent->aflags & RTC_INTERPOLATE) == 0) throw_RTCError(RTC_INVALID_OPERATION,"rtcInterpolate can only get called when RTC_INTERPOLATE is enabled for the scene"); #endif /* calculate base pointer and stride */ assert((buffer >= RTC_VERTEX_BUFFER0 && buffer < RTCBufferType(RTC_VERTEX_BUFFER0 + numTimeSteps)) || (buffer >= RTC_USER_VERTEX_BUFFER0 && buffer <= RTC_USER_VERTEX_BUFFER1)); const char* src = nullptr; size_t stride = 0; if (buffer >= RTC_USER_VERTEX_BUFFER0) { src = userbuffers[buffer&0xFFFF]->getPtr(); stride = userbuffers[buffer&0xFFFF]->getStride(); } else { src = vertices[buffer&0xFFFF].getPtr(); stride = vertices[buffer&0xFFFF].getStride(); } for (size_t i=0; i<numFloats; i+=VSIZEX) { const size_t ofs = i*sizeof(float); const size_t segment = segments[primID]; const vboolx valid = vintx((int)i)+vintx(step) < vintx(numFloats); const vfloatx p0 = vfloatx::loadu(valid,(float*)&src[(segment+0)*stride+ofs]); const vfloatx p1 = vfloatx::loadu(valid,(float*)&src[(segment+1)*stride+ofs]); if (P ) vfloatx::storeu(valid,P+i,(1.0f-u)*p0 + u*p1); if (dPdu ) vfloatx::storeu(valid,dPdu+i,p1-p0); if (ddPdudu) vfloatx::storeu(valid,dPdu+i,vfloatx(zero)); } }
void QuadMesh::interpolate(unsigned primID, float u, float v, RTCBufferType buffer, float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, size_t numFloats) { /* test if interpolation is enabled */ #if defined(DEBUG) if ((scene->aflags & RTC_INTERPOLATE) == 0) throw_RTCError(RTC_INVALID_OPERATION,"rtcInterpolate can only get called when RTC_INTERPOLATE is enabled for the scene"); #endif /* calculate base pointer and stride */ assert((buffer >= RTC_VERTEX_BUFFER0 && buffer < RTCBufferType(RTC_VERTEX_BUFFER0 + numTimeSteps)) || (buffer >= RTC_USER_VERTEX_BUFFER0 && buffer <= RTC_USER_VERTEX_BUFFER1)); const char* src = nullptr; size_t stride = 0; if (buffer >= RTC_USER_VERTEX_BUFFER0) { src = userbuffers[buffer&0xFFFF].getPtr(); stride = userbuffers[buffer&0xFFFF].getStride(); } else { src = vertices[buffer&0xFFFF].getPtr(); stride = vertices[buffer&0xFFFF].getStride(); } for (size_t i=0; i<numFloats; i+=VSIZEX) { const vboolx valid = vintx((int)i)+vintx(step) < vintx(int(numFloats)); const size_t ofs = i*sizeof(float); const Quad& tri = quad(primID); const vfloatx p0 = vfloatx::loadu(valid,(float*)&src[tri.v[0]*stride+ofs]); const vfloatx p1 = vfloatx::loadu(valid,(float*)&src[tri.v[1]*stride+ofs]); const vfloatx p2 = vfloatx::loadu(valid,(float*)&src[tri.v[2]*stride+ofs]); const vfloatx p3 = vfloatx::loadu(valid,(float*)&src[tri.v[3]*stride+ofs]); const vboolx left = u+v <= 1.0f; const vfloatx Q0 = select(left,p0,p2); const vfloatx Q1 = select(left,p1,p3); const vfloatx Q2 = select(left,p3,p1); const vfloatx U = select(left,u,vfloatx(1.0f)-u); const vfloatx V = select(left,v,vfloatx(1.0f)-v); const vfloatx W = 1.0f-U-V; if (P) { vfloatx::storeu(valid,P+i,madd(W,Q0,madd(U,Q1,V*Q2))); } if (dPdu) { assert(dPdu); vfloatx::storeu(valid,dPdu+i,select(left,Q1-Q0,Q0-Q1)); assert(dPdv); vfloatx::storeu(valid,dPdv+i,select(left,Q2-Q0,Q0-Q2)); } if (ddPdudu) { assert(ddPdudu); vfloatx::storeu(valid,ddPdudu+i,vfloatx(zero)); assert(ddPdvdv); vfloatx::storeu(valid,ddPdvdv+i,vfloatx(zero)); assert(ddPdudv); vfloatx::storeu(valid,ddPdudv+i,vfloatx(zero)); } } }
void TriangleMesh::interpolate(unsigned primID, float u, float v, RTCBufferType buffer, float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, size_t numFloats) { /* test if interpolation is enabled */ #if defined(DEBUG) if ((parent->aflags & RTC_INTERPOLATE) == 0) throw_RTCError(RTC_INVALID_OPERATION,"rtcInterpolate can only get called when RTC_INTERPOLATE is enabled for the scene"); #endif /* calculate base pointer and stride */ assert((buffer >= RTC_VERTEX_BUFFER0 && buffer <= RTC_VERTEX_BUFFER1) || (buffer >= RTC_USER_VERTEX_BUFFER0 && buffer <= RTC_USER_VERTEX_BUFFER1)); const char* src = nullptr; size_t stride = 0; if (buffer >= RTC_USER_VERTEX_BUFFER0) { src = userbuffers[buffer&0xFFFF]->getPtr(); stride = userbuffers[buffer&0xFFFF]->getStride(); } else { src = vertices[buffer&0xFFFF].getPtr(); stride = vertices[buffer&0xFFFF].getStride(); } for (size_t i=0; i<numFloats; i+=VSIZEX) { size_t ofs = i*sizeof(float); const float w = 1.0f-u-v; const Triangle& tri = triangle(primID); const vboolx valid = vintx(i)+vintx(step) < vintx(numFloats); const vfloatx p0 = vfloatx::loadu(valid,(float*)&src[tri.v[0]*stride+ofs]); const vfloatx p1 = vfloatx::loadu(valid,(float*)&src[tri.v[1]*stride+ofs]); const vfloatx p2 = vfloatx::loadu(valid,(float*)&src[tri.v[2]*stride+ofs]); if (P) { vfloatx::storeu(valid,P+i,w*p0 + u*p1 + v*p2); } if (dPdu) { assert(dPdu); vfloatx::storeu(valid,dPdu+i,p1-p0); assert(dPdv); vfloatx::storeu(valid,dPdv+i,p2-p0); } if (ddPdudu) { assert(ddPdudu); vfloatx::storeu(valid,ddPdudu+i,vfloatx(zero)); assert(ddPdvdv); vfloatx::storeu(valid,ddPdvdv+i,vfloatx(zero)); assert(ddPdudv); vfloatx::storeu(valid,ddPdudv+i,vfloatx(zero)); } } }
__forceinline void NativeCurvesISA::interpolate_helper(unsigned primID, float u, float v, RTCBufferType buffer, float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, size_t numFloats) { /* test if interpolation is enabled */ #if defined(DEBUG) if ((scene->aflags & RTC_INTERPOLATE) == 0) throw_RTCError(RTC_INVALID_OPERATION,"rtcInterpolate can only get called when RTC_INTERPOLATE is enabled for the scene"); #endif /* calculate base pointer and stride */ assert((buffer >= RTC_VERTEX_BUFFER0 && buffer < RTCBufferType(RTC_VERTEX_BUFFER0 + numTimeSteps)) || (buffer >= RTC_USER_VERTEX_BUFFER0 && buffer <= RTC_USER_VERTEX_BUFFER1)); const char* src = nullptr; size_t stride = 0; if (buffer >= RTC_USER_VERTEX_BUFFER0) { src = userbuffers[buffer&0xFFFF].getPtr(); stride = userbuffers[buffer&0xFFFF].getStride(); } else { src = vertices[buffer&0xFFFF].getPtr(); stride = vertices[buffer&0xFFFF].getStride(); } for (size_t i=0; i<numFloats; i+=VSIZEX) { size_t ofs = i*sizeof(float); const size_t curve = curves[primID]; const vboolx valid = vintx((int)i)+vintx(step) < vintx((int)numFloats); const vfloatx p0 = vfloatx::loadu(valid,(float*)&src[(curve+0)*stride+ofs]); const vfloatx p1 = vfloatx::loadu(valid,(float*)&src[(curve+1)*stride+ofs]); const vfloatx p2 = vfloatx::loadu(valid,(float*)&src[(curve+2)*stride+ofs]); const vfloatx p3 = vfloatx::loadu(valid,(float*)&src[(curve+3)*stride+ofs]); const Curve bezier(p0,p1,p2,p3); if (P ) vfloatx::storeu(valid,P+i, bezier.eval(u)); if (dPdu ) vfloatx::storeu(valid,dPdu+i, bezier.eval_du(u)); if (ddPdudu) vfloatx::storeu(valid,ddPdudu+i,bezier.eval_dudu(u)); } }
{ const vintx vi = vintx(int(j)) + vintx(step); const vboolx valid = vi < vintx(int(numOctantRays)); const vintx offset = *(vintx*)&rayIDs[j] * int(stride); rayN.setHitByOffset(valid, offset, rays[j/VSIZEX], intersect); } raysInOctant[curOctant] = 0; } } else { /* fallback to packets */ for (size_t i = 0; i < N; i += VSIZEX) { const vintx vi = vintx(int(i)) + vintx(step); vboolx valid = vi < vintx(int(N)); const vintx offset = vi * int(stride); RayK<VSIZEX> ray = rayN.getRayByOffset(valid, offset); valid &= ray.tnear <= ray.tfar; if (intersect) scene->intersectors.intersect(valid, ray, context); else scene->intersectors.occluded(valid, ray, context); rayN.setHitByOffset(valid, offset, ray, intersect); } } }