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virtualx-engine/thirdparty/embree/kernels/common/default.h
jfons 767e374dce Upgrade Embree to the latest official release. 
Since Embree v3.13.0 supports AARCH64, switch back to the
official repo instead of using Embree-aarch64.

`thirdparty/embree/patches/godot-changes.patch` should now contain
an accurate diff of the changes done to the library.
2021-05-21 17:00:24 +02:00

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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "../../common/sys/platform.h"
#include "../../common/sys/sysinfo.h"
#include "../../common/sys/thread.h"
#include "../../common/sys/alloc.h"
#include "../../common/sys/ref.h"
#include "../../common/sys/intrinsics.h"
#include "../../common/sys/atomic.h"
#include "../../common/sys/mutex.h"
#include "../../common/sys/vector.h"
#include "../../common/sys/array.h"
#include "../../common/sys/string.h"
#include "../../common/sys/regression.h"
#include "../../common/sys/vector.h"
#include "../../common/math/math.h"
#include "../../common/math/transcendental.h"
#include "../../common/simd/simd.h"
#include "../../common/math/vec2.h"
#include "../../common/math/vec3.h"
#include "../../common/math/vec4.h"
#include "../../common/math/vec2fa.h"
#include "../../common/math/vec3fa.h"
#include "../../common/math/interval.h"
#include "../../common/math/bbox.h"
#include "../../common/math/obbox.h"
#include "../../common/math/lbbox.h"
#include "../../common/math/linearspace2.h"
#include "../../common/math/linearspace3.h"
#include "../../common/math/affinespace.h"
#include "../../common/math/range.h"
#include "../../common/lexers/tokenstream.h"
#include "../../common/tasking/taskscheduler.h"
#define COMMA ,
#include "../config.h"
#include "isa.h"
#include "stat.h"
#include "profile.h"
#include "rtcore.h"
#include "vector.h"
#include "state.h"
#include "instance_stack.h"
#include <vector>
#include <map>
#include <algorithm>
#include <functional>
#include <utility>
#include <sstream>
namespace embree
{
////////////////////////////////////////////////////////////////////////////////
/// Vec2 shortcuts
////////////////////////////////////////////////////////////////////////////////
template<int N> using Vec2vf = Vec2<vfloat<N>>;
template<int N> using Vec2vd = Vec2<vdouble<N>>;
template<int N> using Vec2vr = Vec2<vreal<N>>;
template<int N> using Vec2vi = Vec2<vint<N>>;
template<int N> using Vec2vl = Vec2<vllong<N>>;
template<int N> using Vec2vb = Vec2<vbool<N>>;
template<int N> using Vec2vbf = Vec2<vboolf<N>>;
template<int N> using Vec2vbd = Vec2<vboold<N>>;
typedef Vec2<vfloat4> Vec2vf4;
typedef Vec2<vdouble4> Vec2vd4;
typedef Vec2<vreal4> Vec2vr4;
typedef Vec2<vint4> Vec2vi4;
typedef Vec2<vllong4> Vec2vl4;
typedef Vec2<vbool4> Vec2vb4;
typedef Vec2<vboolf4> Vec2vbf4;
typedef Vec2<vboold4> Vec2vbd4;
typedef Vec2<vfloat8> Vec2vf8;
typedef Vec2<vdouble8> Vec2vd8;
typedef Vec2<vreal8> Vec2vr8;
typedef Vec2<vint8> Vec2vi8;
typedef Vec2<vllong8> Vec2vl8;
typedef Vec2<vbool8> Vec2vb8;
typedef Vec2<vboolf8> Vec2vbf8;
typedef Vec2<vboold8> Vec2vbd8;
typedef Vec2<vfloat16> Vec2vf16;
typedef Vec2<vdouble16> Vec2vd16;
typedef Vec2<vreal16> Vec2vr16;
typedef Vec2<vint16> Vec2vi16;
typedef Vec2<vllong16> Vec2vl16;
typedef Vec2<vbool16> Vec2vb16;
typedef Vec2<vboolf16> Vec2vbf16;
typedef Vec2<vboold16> Vec2vbd16;
typedef Vec2<vfloatx> Vec2vfx;
typedef Vec2<vdoublex> Vec2vdx;
typedef Vec2<vrealx> Vec2vrx;
typedef Vec2<vintx> Vec2vix;
typedef Vec2<vllongx> Vec2vlx;
typedef Vec2<vboolx> Vec2vbx;
typedef Vec2<vboolfx> Vec2vbfx;
typedef Vec2<vbooldx> Vec2vbdx;
////////////////////////////////////////////////////////////////////////////////
/// Vec3 shortcuts
////////////////////////////////////////////////////////////////////////////////
template<int N> using Vec3vf = Vec3<vfloat<N>>;
template<int N> using Vec3vd = Vec3<vdouble<N>>;
template<int N> using Vec3vr = Vec3<vreal<N>>;
template<int N> using Vec3vi = Vec3<vint<N>>;
template<int N> using Vec3vl = Vec3<vllong<N>>;
template<int N> using Vec3vb = Vec3<vbool<N>>;
template<int N> using Vec3vbf = Vec3<vboolf<N>>;
template<int N> using Vec3vbd = Vec3<vboold<N>>;
typedef Vec3<vfloat4> Vec3vf4;
typedef Vec3<vdouble4> Vec3vd4;
typedef Vec3<vreal4> Vec3vr4;
typedef Vec3<vint4> Vec3vi4;
typedef Vec3<vllong4> Vec3vl4;
typedef Vec3<vbool4> Vec3vb4;
typedef Vec3<vboolf4> Vec3vbf4;
typedef Vec3<vboold4> Vec3vbd4;
typedef Vec3<vfloat8> Vec3vf8;
typedef Vec3<vdouble8> Vec3vd8;
typedef Vec3<vreal8> Vec3vr8;
typedef Vec3<vint8> Vec3vi8;
typedef Vec3<vllong8> Vec3vl8;
typedef Vec3<vbool8> Vec3vb8;
typedef Vec3<vboolf8> Vec3vbf8;
typedef Vec3<vboold8> Vec3vbd8;
typedef Vec3<vfloat16> Vec3vf16;
typedef Vec3<vdouble16> Vec3vd16;
typedef Vec3<vreal16> Vec3vr16;
typedef Vec3<vint16> Vec3vi16;
typedef Vec3<vllong16> Vec3vl16;
typedef Vec3<vbool16> Vec3vb16;
typedef Vec3<vboolf16> Vec3vbf16;
typedef Vec3<vboold16> Vec3vbd16;
typedef Vec3<vfloatx> Vec3vfx;
typedef Vec3<vdoublex> Vec3vdx;
typedef Vec3<vrealx> Vec3vrx;
typedef Vec3<vintx> Vec3vix;
typedef Vec3<vllongx> Vec3vlx;
typedef Vec3<vboolx> Vec3vbx;
typedef Vec3<vboolfx> Vec3vbfx;
typedef Vec3<vbooldx> Vec3vbdx;
////////////////////////////////////////////////////////////////////////////////
/// Vec4 shortcuts
////////////////////////////////////////////////////////////////////////////////
template<int N> using Vec4vf = Vec4<vfloat<N>>;
template<int N> using Vec4vd = Vec4<vdouble<N>>;
template<int N> using Vec4vr = Vec4<vreal<N>>;
template<int N> using Vec4vi = Vec4<vint<N>>;
template<int N> using Vec4vl = Vec4<vllong<N>>;
template<int N> using Vec4vb = Vec4<vbool<N>>;
template<int N> using Vec4vbf = Vec4<vboolf<N>>;
template<int N> using Vec4vbd = Vec4<vboold<N>>;
typedef Vec4<vfloat4> Vec4vf4;
typedef Vec4<vdouble4> Vec4vd4;
typedef Vec4<vreal4> Vec4vr4;
typedef Vec4<vint4> Vec4vi4;
typedef Vec4<vllong4> Vec4vl4;
typedef Vec4<vbool4> Vec4vb4;
typedef Vec4<vboolf4> Vec4vbf4;
typedef Vec4<vboold4> Vec4vbd4;
typedef Vec4<vfloat8> Vec4vf8;
typedef Vec4<vdouble8> Vec4vd8;
typedef Vec4<vreal8> Vec4vr8;
typedef Vec4<vint8> Vec4vi8;
typedef Vec4<vllong8> Vec4vl8;
typedef Vec4<vbool8> Vec4vb8;
typedef Vec4<vboolf8> Vec4vbf8;
typedef Vec4<vboold8> Vec4vbd8;
typedef Vec4<vfloat16> Vec4vf16;
typedef Vec4<vdouble16> Vec4vd16;
typedef Vec4<vreal16> Vec4vr16;
typedef Vec4<vint16> Vec4vi16;
typedef Vec4<vllong16> Vec4vl16;
typedef Vec4<vbool16> Vec4vb16;
typedef Vec4<vboolf16> Vec4vbf16;
typedef Vec4<vboold16> Vec4vbd16;
typedef Vec4<vfloatx> Vec4vfx;
typedef Vec4<vdoublex> Vec4vdx;
typedef Vec4<vrealx> Vec4vrx;
typedef Vec4<vintx> Vec4vix;
typedef Vec4<vllongx> Vec4vlx;
typedef Vec4<vboolx> Vec4vbx;
typedef Vec4<vboolfx> Vec4vbfx;
typedef Vec4<vbooldx> Vec4vbdx;
////////////////////////////////////////////////////////////////////////////////
/// Other shortcuts
////////////////////////////////////////////////////////////////////////////////
template<int N> using BBox3vf = BBox<Vec3vf<N>>;
typedef BBox<Vec3vf4> BBox3vf4;
typedef BBox<Vec3vf8> BBox3vf8;
typedef BBox<Vec3vf16> BBox3vf16;
/* calculate time segment itime and fractional time ftime */
__forceinline int getTimeSegment(float time, float numTimeSegments, float& ftime)
{
const float timeScaled = time * numTimeSegments;
const float itimef = clamp(floorf(timeScaled), 0.0f, numTimeSegments-1.0f);
ftime = timeScaled - itimef;
return int(itimef);
}
__forceinline int getTimeSegment(float time, float start_time, float end_time, float numTimeSegments, float& ftime)
{
const float timeScaled = (time-start_time)/(end_time-start_time) * numTimeSegments;
const float itimef = clamp(floorf(timeScaled), 0.0f, numTimeSegments-1.0f);
ftime = timeScaled - itimef;
return int(itimef);
}
template<int N>
__forceinline vint<N> getTimeSegment(const vfloat<N>& time, const vfloat<N>& numTimeSegments, vfloat<N>& ftime)
{
const vfloat<N> timeScaled = time * numTimeSegments;
const vfloat<N> itimef = clamp(floor(timeScaled), vfloat<N>(zero), numTimeSegments-1.0f);
ftime = timeScaled - itimef;
return vint<N>(itimef);
}
template<int N>
__forceinline vint<N> getTimeSegment(const vfloat<N>& time, const vfloat<N>& start_time, const vfloat<N>& end_time, const vfloat<N>& numTimeSegments, vfloat<N>& ftime)
{
const vfloat<N> timeScaled = (time-start_time)/(end_time-start_time) * numTimeSegments;
const vfloat<N> itimef = clamp(floor(timeScaled), vfloat<N>(zero), numTimeSegments-1.0f);
ftime = timeScaled - itimef;
return vint<N>(itimef);
}
/* calculate overlapping time segment range */
__forceinline range<int> getTimeSegmentRange(const BBox1f& time_range, float numTimeSegments)
{
const float round_up = 1.0f+2.0f*float(ulp); // corrects inaccuracies to precisely match time step
const float round_down = 1.0f-2.0f*float(ulp);
const int itime_lower = (int)max(floor(round_up *time_range.lower*numTimeSegments), 0.0f);
const int itime_upper = (int)min(ceil (round_down*time_range.upper*numTimeSegments), numTimeSegments);
return make_range(itime_lower, itime_upper);
}
/* calculate overlapping time segment range */
__forceinline range<int> getTimeSegmentRange(const BBox1f& range, BBox1f time_range, float numTimeSegments)
{
const float lower = (range.lower-time_range.lower)/time_range.size();
const float upper = (range.upper-time_range.lower)/time_range.size();
return getTimeSegmentRange(BBox1f(lower,upper),numTimeSegments);
}
}
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