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[WIP] introduced read only handle RTCTraversable which is accessible on
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the device.
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@freibold
freibold committed Nov 11, 2024
1 parent 5b7c1f6 commit 8d19609
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Showing 50 changed files with 445 additions and 139 deletions.
118 changes: 109 additions & 9 deletions include/embree4/rtcore_scene.h
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@

RTC_NAMESPACE_BEGIN

/* Opaque traversable type */
typedef struct RTCTraversableTy* RTCTraversable;

/* Forward declarations for ray structures */
struct RTCRayHit;
struct RTCRayHit4;
Expand Down Expand Up @@ -92,8 +95,8 @@ RTC_API void rtcRetainScene(RTCScene scene);
/* Releases the scene (decrements the reference count). */
RTC_API void rtcReleaseScene(RTCScene scene);

/* Returns the representation of the scene which is accessible on the device */
RTC_API RTCScene rtcGetSceneDevicePointer(RTCScene scene);
/* Returns the traversable object of the scene which can be passed to ray queries. */
RTC_API RTCTraversable rtcGetSceneTraversable(RTCScene scene);

/* Attaches the geometry to a scene. */
RTC_API unsigned int rtcAttachGeometry(RTCScene scene, RTCGeometry geometry);
Expand All @@ -110,12 +113,6 @@ RTC_API RTCGeometry rtcGetGeometry(RTCScene scene, unsigned int geomID);
/* Gets a geometry handle from the scene. This function is thread safe and should NOT get used during rendering. */
RTC_API RTCGeometry rtcGetGeometryThreadSafe(RTCScene scene, unsigned int geomID);

/* Gets the user-defined data pointer of the geometry. This function is not thread safe and should get used during rendering. */
RTC_SYCL_API void* rtcGetGeometryUserDataFromScene(RTCScene scene, unsigned int geomID);

/* Returns the interpolated transformation of an instance for the specified time. */
RTC_SYCL_API void rtcGetGeometryTransformFromScene(RTCScene scene, unsigned int geomID, float time, enum RTCFormat format, void* xfm);


/* Commits the scene. */
RTC_API void rtcCommitScene(RTCScene scene);
Expand Down Expand Up @@ -145,6 +142,13 @@ 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);

#if !defined(__SYCL_DEVICE_ONLY__)

/* Gets the user-defined data pointer of the geometry. This function is not thread safe and should get used during rendering. */
RTC_SYCL_API void* rtcGetGeometryUserDataFromScene(RTCScene scene, unsigned int geomID);

/* Returns the interpolated transformation of an instance for the specified time. */
RTC_SYCL_API void rtcGetGeometryTransformFromScene(RTCScene scene, unsigned int geomID, float time, enum RTCFormat format, void* xfm);

/* Perform a closest point query of the scene. */
RTC_API bool rtcPointQuery(RTCScene scene, struct RTCPointQuery* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void* userPtr);
Expand Down Expand Up @@ -234,14 +238,110 @@ RTC_API void rtcForwardOccluded16(const int* valid, const struct RTCOccludedFunc
/* Forwards occlusion ray packet of size 16 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcForwardOccluded16Ex(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCScene scene, struct RTCRay16* ray, unsigned int instID, unsigned int instPrimID);

#endif

/* Gets the user-defined data pointer of the geometry. This function is not thread safe and should get used during rendering. */
RTC_SYCL_API void* rtcGetGeometryUserDataFromTraversable(RTCTraversable traversable, unsigned int geomID);

/* Returns the interpolated transformation of an instance for the specified time. */
RTC_SYCL_API void rtcGetGeometryTransformFromTraversable(RTCTraversable traversable, unsigned int geomID, float time, enum RTCFormat format, void* xfm);

/* Perform a closest point query of the scene. */
RTC_API bool rtcTraversablePointQuery(RTCTraversable traversable, 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 rtcTraversablePointQuery4(const int* valid, RTCTraversable traversable, 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 rtcTraversablePointQuery8(const int* valid, RTCTraversable traversable, 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 rtcTraversablePointQuery16(const int* valid, RTCTraversable traversable, struct RTCPointQuery16* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr);


/* Intersects a single ray with the scene. */
RTC_SYCL_API void rtcTraversableIntersect1(RTCTraversable traversable, struct RTCRayHit* rayhit, struct RTCIntersectArguments* args RTC_OPTIONAL_ARGUMENT);

/* Intersects a packet of 4 rays with the scene. */
RTC_API void rtcTraversableIntersect4(const int* valid, RTCTraversable traversable, struct RTCRayHit4* rayhit, struct RTCIntersectArguments* args RTC_OPTIONAL_ARGUMENT);

/* Intersects a packet of 8 rays with the scene. */
RTC_API void rtcTraversableIntersect8(const int* valid, RTCTraversable traversable, struct RTCRayHit8* rayhit, struct RTCIntersectArguments* args RTC_OPTIONAL_ARGUMENT);

/* Intersects a packet of 16 rays with the scene. */
RTC_API void rtcTraversableIntersect16(const int* valid, RTCTraversable traversable, struct RTCRayHit16* rayhit, struct RTCIntersectArguments* args RTC_OPTIONAL_ARGUMENT);


/* Forwards ray inside user geometry callback. */
RTC_SYCL_API void rtcTraversableForwardIntersect1(const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay* ray, unsigned int instID);

/* Forwards ray inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_SYCL_API void rtcTraversableForwardIntersect1Ex(const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay* ray, unsigned int instID, unsigned int instPrimID);

/* Forwards ray packet of size 4 inside user geometry callback. */
RTC_API void rtcTraversableForwardIntersect4(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay4* ray, unsigned int instID);

/* Forwards ray packet of size 4 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardIntersect4Ex(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay4* ray, unsigned int instID, unsigned int primInstID);

/* Forwards ray packet of size 8 inside user geometry callback. */
RTC_API void rtcTraversableForwardIntersect8(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay8* ray, unsigned int instID);

/* Forwards ray packet of size 4 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardIntersect8Ex(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay8* ray, unsigned int instID, unsigned int primInstID);

/* Forwards ray packet of size 16 inside user geometry callback. */
RTC_API void rtcTraversableForwardIntersect16(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay16* ray, unsigned int instID);

/* Forwards ray packet of size 4 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardIntersect16Ex(const int* valid, const struct RTCIntersectFunctionNArguments* args, RTCTraversable traversable, struct RTCRay16* ray, unsigned int instID, unsigned int primInstID);


/* Tests a single ray for occlusion with the scene. */
RTC_SYCL_API void rtcTraversableOccluded1(RTCTraversable traversable, struct RTCRay* ray, struct RTCOccludedArguments* args RTC_OPTIONAL_ARGUMENT);

/* Tests a packet of 4 rays for occlusion occluded with the scene. */
RTC_API void rtcTraversableOccluded4(const int* valid, RTCTraversable traversable, struct RTCRay4* ray, struct RTCOccludedArguments* args RTC_OPTIONAL_ARGUMENT);

/* Tests a packet of 8 rays for occlusion with the scene. */
RTC_API void rtcTraversableOccluded8(const int* valid, RTCTraversable traversable, struct RTCRay8* ray, struct RTCOccludedArguments* args RTC_OPTIONAL_ARGUMENT);

/* Tests a packet of 16 rays for occlusion with the scene. */
RTC_API void rtcTraversableOccluded16(const int* valid, RTCTraversable traversable, struct RTCRay16* ray, struct RTCOccludedArguments* args RTC_OPTIONAL_ARGUMENT);


/* Forwards single occlusion ray inside user geometry callback. */
RTC_SYCL_API void rtcTraversableForwardOccluded1(const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay* ray, unsigned int instID);

/* Forwards single occlusion ray inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_SYCL_API void rtcTraversableForwardOccluded1Ex(const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay* ray, unsigned int instID, unsigned int instPrimID);

/* Forwards occlusion ray packet of size 4 inside user geometry callback. */
RTC_API void rtcTraversableForwardOccluded4(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay4* ray, unsigned int instID);

/* Forwards occlusion ray packet of size 4 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardOccluded4Ex(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay4* ray, unsigned int instID, unsigned int instPrimID);

/* Forwards occlusion ray packet of size 8 inside user geometry callback. */
RTC_API void rtcTraversableForwardOccluded8(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay8* ray, unsigned int instID);

/* Forwards occlusion ray packet of size 8 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardOccluded8Ex(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay8* ray, unsigned int instID, unsigned int instPrimID);

/* Forwards occlusion ray packet of size 16 inside user geometry callback. */
RTC_API void rtcTraversableForwardOccluded16(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay16* ray, unsigned int instID);

/* Forwards occlusion ray packet of size 16 inside user geometry callback. Extended to handle instance arrays using instPrimID parameter. */
RTC_API void rtcTraversableForwardOccluded16Ex(const int* valid, const struct RTCOccludedFunctionNArguments* args, RTCTraversable traversable, struct RTCRay16* ray, unsigned int instID, unsigned int instPrimID);


/*! 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 */
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