virtualx-engine/thirdparty/embree/include/embree3/rtcore_scene.h
2021-01-14 18:02:07 +01:00

160 lines
7.2 KiB
C++

// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "rtcore_device.h"
RTC_NAMESPACE_BEGIN
/* Forward declarations for ray structures */
struct RTCRayHit;
struct RTCRayHit4;
struct RTCRayHit8;
struct RTCRayHit16;
struct RTCRayHitNp;
/* Scene flags */
enum RTCSceneFlags
{
RTC_SCENE_FLAG_NONE = 0,
RTC_SCENE_FLAG_DYNAMIC = (1 << 0),
RTC_SCENE_FLAG_COMPACT = (1 << 1),
RTC_SCENE_FLAG_ROBUST = (1 << 2),
RTC_SCENE_FLAG_CONTEXT_FILTER_FUNCTION = (1 << 3)
};
/* Creates a new scene. */
RTC_API RTCScene rtcNewScene(RTCDevice device);
/* Returns the device the scene got created in. The reference count of
* the device is incremented by this function. */
RTC_API RTCDevice rtcGetSceneDevice(RTCScene hscene);
/* Retains the scene (increments the reference count). */
RTC_API void rtcRetainScene(RTCScene scene);
/* Releases the scene (decrements the reference count). */
RTC_API void rtcReleaseScene(RTCScene scene);
/* Attaches the geometry to a scene. */
RTC_API unsigned int rtcAttachGeometry(RTCScene scene, RTCGeometry geometry);
/* Attaches the geometry to a scene using the specified geometry ID. */
RTC_API void rtcAttachGeometryByID(RTCScene scene, RTCGeometry geometry, unsigned int geomID);
/* Detaches the geometry from the scene. */
RTC_API void rtcDetachGeometry(RTCScene scene, unsigned int geomID);
/* Gets a geometry handle from the scene. */
RTC_API RTCGeometry rtcGetGeometry(RTCScene scene, unsigned int geomID);
/* Commits the scene. */
RTC_API void rtcCommitScene(RTCScene scene);
/* Commits the scene from multiple threads. */
RTC_API void rtcJoinCommitScene(RTCScene scene);
/* Progress monitor callback function */
typedef bool (*RTCProgressMonitorFunction)(void* ptr, double n);
/* Sets the progress monitor callback function of the scene. */
RTC_API void rtcSetSceneProgressMonitorFunction(RTCScene scene, RTCProgressMonitorFunction progress, void* ptr);
/* Sets the build quality of the scene. */
RTC_API void rtcSetSceneBuildQuality(RTCScene scene, enum RTCBuildQuality quality);
/* Sets the scene flags. */
RTC_API void rtcSetSceneFlags(RTCScene scene, enum RTCSceneFlags flags);
/* Returns the scene flags. */
RTC_API enum RTCSceneFlags rtcGetSceneFlags(RTCScene scene);
/* Returns the axis-aligned bounds of the scene. */
RTC_API void rtcGetSceneBounds(RTCScene scene, struct RTCBounds* bounds_o);
/* Returns the linear axis-aligned bounds of the scene. */
RTC_API void rtcGetSceneLinearBounds(RTCScene scene, struct RTCLinearBounds* bounds_o);
/* Perform a closest point query of the scene. */
RTC_API bool rtcPointQuery(RTCScene scene, struct RTCPointQuery* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void* userPtr);
/* Perform a closest point query with a packet of 4 points with the scene. */
RTC_API bool rtcPointQuery4(const int* valid, RTCScene scene, struct RTCPointQuery4* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr);
/* Perform a closest point query with a packet of 4 points with the scene. */
RTC_API bool rtcPointQuery8(const int* valid, RTCScene scene, struct RTCPointQuery8* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr);
/* Perform a closest point query with a packet of 4 points with the scene. */
RTC_API bool rtcPointQuery16(const int* valid, RTCScene scene, struct RTCPointQuery16* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr);
/* Intersects a single ray with the scene. */
RTC_API void rtcIntersect1(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit* rayhit);
/* Intersects a packet of 4 rays with the scene. */
RTC_API void rtcIntersect4(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit4* rayhit);
/* Intersects a packet of 8 rays with the scene. */
RTC_API void rtcIntersect8(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit8* rayhit);
/* Intersects a packet of 16 rays with the scene. */
RTC_API void rtcIntersect16(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit16* rayhit);
/* Intersects a stream of M rays with the scene. */
RTC_API void rtcIntersect1M(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit* rayhit, unsigned int M, size_t byteStride);
/* Intersects a stream of pointers to M rays with the scene. */
RTC_API void rtcIntersect1Mp(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit** rayhit, unsigned int M);
/* Intersects a stream of M ray packets of size N in SOA format with the scene. */
RTC_API void rtcIntersectNM(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHitN* rayhit, unsigned int N, unsigned int M, size_t byteStride);
/* Intersects a stream of M ray packets of size N in SOA format with the scene. */
RTC_API void rtcIntersectNp(RTCScene scene, struct RTCIntersectContext* context, const struct RTCRayHitNp* rayhit, unsigned int N);
/* Tests a single ray for occlusion with the scene. */
RTC_API void rtcOccluded1(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay* ray);
/* Tests a packet of 4 rays for occlusion occluded with the scene. */
RTC_API void rtcOccluded4(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay4* ray);
/* Tests a packet of 8 rays for occlusion with the scene. */
RTC_API void rtcOccluded8(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay8* ray);
/* Tests a packet of 16 rays for occlusion with the scene. */
RTC_API void rtcOccluded16(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay16* ray);
/* Tests a stream of M rays for occlusion with the scene. */
RTC_API void rtcOccluded1M(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay* ray, unsigned int M, size_t byteStride);
/* Tests a stream of pointers to M rays for occlusion with the scene. */
RTC_API void rtcOccluded1Mp(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay** ray, unsigned int M);
/* Tests a stream of M ray packets of size N in SOA format for occlusion with the scene. */
RTC_API void rtcOccludedNM(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayN* ray, unsigned int N, unsigned int M, size_t byteStride);
/* Tests a stream of M ray packets of size N in SOA format for occlusion with the scene. */
RTC_API void rtcOccludedNp(RTCScene scene, struct RTCIntersectContext* context, const struct RTCRayNp* ray, unsigned int N);
/*! collision callback */
struct RTCCollision { unsigned int geomID0; unsigned int primID0; unsigned int geomID1; unsigned int primID1; };
typedef void (*RTCCollideFunc) (void* userPtr, struct RTCCollision* collisions, unsigned int num_collisions);
/*! Performs collision detection of two scenes */
RTC_API void rtcCollide (RTCScene scene0, RTCScene scene1, RTCCollideFunc callback, void* userPtr);
#if defined(__cplusplus)
/* Helper for easily combining scene flags */
inline RTCSceneFlags operator|(RTCSceneFlags a, RTCSceneFlags b) {
return (RTCSceneFlags)((size_t)a | (size_t)b);
}
#endif
RTC_NAMESPACE_END