767e374dce
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.
131 lines
3.6 KiB
C++
131 lines
3.6 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "default.h"
|
|
#include "rtcore.h"
|
|
#include "point_query.h"
|
|
|
|
namespace embree
|
|
{
|
|
class Scene;
|
|
|
|
struct IntersectContext
|
|
{
|
|
public:
|
|
__forceinline IntersectContext(Scene* scene, RTCIntersectContext* user_context)
|
|
: scene(scene), user(user_context) {}
|
|
|
|
__forceinline bool hasContextFilter() const {
|
|
return user->filter != nullptr;
|
|
}
|
|
|
|
__forceinline bool isCoherent() const {
|
|
return embree::isCoherent(user->flags);
|
|
}
|
|
|
|
__forceinline bool isIncoherent() const {
|
|
return embree::isIncoherent(user->flags);
|
|
}
|
|
|
|
public:
|
|
Scene* scene;
|
|
RTCIntersectContext* user;
|
|
};
|
|
|
|
template<int M, typename Geometry>
|
|
__forceinline Vec4vf<M> enlargeRadiusToMinWidth(const IntersectContext* context, const Geometry* geom, const Vec3vf<M>& ray_org, const Vec4vf<M>& v)
|
|
{
|
|
#if RTC_MIN_WIDTH
|
|
const vfloat<M> d = length(Vec3vf<M>(v) - ray_org);
|
|
const vfloat<M> r = clamp(context->user->minWidthDistanceFactor*d, v.w, geom->maxRadiusScale*v.w);
|
|
return Vec4vf<M>(v.x,v.y,v.z,r);
|
|
#else
|
|
return v;
|
|
#endif
|
|
}
|
|
|
|
template<typename Geometry>
|
|
__forceinline Vec3ff enlargeRadiusToMinWidth(const IntersectContext* context, const Geometry* geom, const Vec3fa& ray_org, const Vec3ff& v)
|
|
{
|
|
#if RTC_MIN_WIDTH
|
|
const float d = length(Vec3fa(v) - ray_org);
|
|
const float r = clamp(context->user->minWidthDistanceFactor*d, v.w, geom->maxRadiusScale*v.w);
|
|
return Vec3ff(v.x,v.y,v.z,r);
|
|
#else
|
|
return v;
|
|
#endif
|
|
}
|
|
|
|
enum PointQueryType
|
|
{
|
|
POINT_QUERY_TYPE_UNDEFINED = 0,
|
|
POINT_QUERY_TYPE_SPHERE = 1,
|
|
POINT_QUERY_TYPE_AABB = 2,
|
|
};
|
|
|
|
typedef bool (*PointQueryFunction)(struct RTCPointQueryFunctionArguments* args);
|
|
|
|
struct PointQueryContext
|
|
{
|
|
public:
|
|
__forceinline PointQueryContext(Scene* scene,
|
|
PointQuery* query_ws,
|
|
PointQueryType query_type,
|
|
PointQueryFunction func,
|
|
RTCPointQueryContext* userContext,
|
|
float similarityScale,
|
|
void* userPtr)
|
|
: scene(scene)
|
|
, query_ws(query_ws)
|
|
, query_type(query_type)
|
|
, func(func)
|
|
, userContext(userContext)
|
|
, similarityScale(similarityScale)
|
|
, userPtr(userPtr)
|
|
, primID(RTC_INVALID_GEOMETRY_ID)
|
|
, geomID(RTC_INVALID_GEOMETRY_ID)
|
|
, query_radius(query_ws->radius)
|
|
{
|
|
if (query_type == POINT_QUERY_TYPE_AABB) {
|
|
assert(similarityScale == 0.f);
|
|
updateAABB();
|
|
}
|
|
if (userContext->instStackSize == 0) {
|
|
assert(similarityScale == 1.f);
|
|
}
|
|
}
|
|
|
|
public:
|
|
__forceinline void updateAABB()
|
|
{
|
|
if (likely(query_ws->radius == (float)inf || userContext->instStackSize == 0)) {
|
|
query_radius = Vec3fa(query_ws->radius);
|
|
return;
|
|
}
|
|
|
|
const AffineSpace3fa m = AffineSpace3fa_load_unaligned((AffineSpace3fa*)userContext->world2inst[userContext->instStackSize-1]);
|
|
BBox3fa bbox(Vec3fa(-query_ws->radius), Vec3fa(query_ws->radius));
|
|
bbox = xfmBounds(m, bbox);
|
|
query_radius = 0.5f * (bbox.upper - bbox.lower);
|
|
}
|
|
|
|
public:
|
|
Scene* scene;
|
|
|
|
PointQuery* query_ws; // the original world space point query
|
|
PointQueryType query_type;
|
|
PointQueryFunction func;
|
|
RTCPointQueryContext* userContext;
|
|
const float similarityScale;
|
|
|
|
void* userPtr;
|
|
|
|
unsigned int primID;
|
|
unsigned int geomID;
|
|
|
|
Vec3fa query_radius; // used if the query is converted to an AABB internally
|
|
};
|
|
}
|
|
|