| 1 | // Copyright 2009-2021 Intel Corporation |
| 2 | // SPDX-License-Identifier: Apache-2.0 |
| 3 | |
| 4 | #pragma once |
| 5 | |
| 6 | #include "rtcore_device.h" |
| 7 | |
| 8 | RTC_NAMESPACE_BEGIN |
| 9 | |
| 10 | /* Forward declarations for ray structures */ |
| 11 | struct RTCRayHit; |
| 12 | struct RTCRayHit4; |
| 13 | struct RTCRayHit8; |
| 14 | struct RTCRayHit16; |
| 15 | struct RTCRayHitNp; |
| 16 | |
| 17 | /* Scene flags */ |
| 18 | enum RTCSceneFlags |
| 19 | { |
| 20 | RTC_SCENE_FLAG_NONE = 0, |
| 21 | RTC_SCENE_FLAG_DYNAMIC = (1 << 0), |
| 22 | RTC_SCENE_FLAG_COMPACT = (1 << 1), |
| 23 | RTC_SCENE_FLAG_ROBUST = (1 << 2), |
| 24 | RTC_SCENE_FLAG_CONTEXT_FILTER_FUNCTION = (1 << 3) |
| 25 | }; |
| 26 | |
| 27 | /* Creates a new scene. */ |
| 28 | RTC_API RTCScene rtcNewScene(RTCDevice device); |
| 29 | |
| 30 | /* Returns the device the scene got created in. The reference count of |
| 31 | * the device is incremented by this function. */ |
| 32 | RTC_API RTCDevice rtcGetSceneDevice(RTCScene hscene); |
| 33 | |
| 34 | /* Retains the scene (increments the reference count). */ |
| 35 | RTC_API void rtcRetainScene(RTCScene scene); |
| 36 | |
| 37 | /* Releases the scene (decrements the reference count). */ |
| 38 | RTC_API void rtcReleaseScene(RTCScene scene); |
| 39 | |
| 40 | |
| 41 | /* Attaches the geometry to a scene. */ |
| 42 | RTC_API unsigned int rtcAttachGeometry(RTCScene scene, RTCGeometry geometry); |
| 43 | |
| 44 | /* Attaches the geometry to a scene using the specified geometry ID. */ |
| 45 | RTC_API void rtcAttachGeometryByID(RTCScene scene, RTCGeometry geometry, unsigned int geomID); |
| 46 | |
| 47 | /* Detaches the geometry from the scene. */ |
| 48 | RTC_API void rtcDetachGeometry(RTCScene scene, unsigned int geomID); |
| 49 | |
| 50 | /* Gets a geometry handle from the scene. This function is not thread safe and should get used during rendering. */ |
| 51 | RTC_API RTCGeometry rtcGetGeometry(RTCScene scene, unsigned int geomID); |
| 52 | |
| 53 | /* Gets a geometry handle from the scene. This function is thread safe and should NOT get used during rendering. */ |
| 54 | RTC_API RTCGeometry rtcGetGeometryThreadSafe(RTCScene scene, unsigned int geomID); |
| 55 | |
| 56 | |
| 57 | /* Commits the scene. */ |
| 58 | RTC_API void rtcCommitScene(RTCScene scene); |
| 59 | |
| 60 | /* Commits the scene from multiple threads. */ |
| 61 | RTC_API void rtcJoinCommitScene(RTCScene scene); |
| 62 | |
| 63 | |
| 64 | /* Progress monitor callback function */ |
| 65 | typedef bool (*RTCProgressMonitorFunction)(void* ptr, double n); |
| 66 | |
| 67 | /* Sets the progress monitor callback function of the scene. */ |
| 68 | RTC_API void rtcSetSceneProgressMonitorFunction(RTCScene scene, RTCProgressMonitorFunction progress, void* ptr); |
| 69 | |
| 70 | /* Sets the build quality of the scene. */ |
| 71 | RTC_API void rtcSetSceneBuildQuality(RTCScene scene, enum RTCBuildQuality quality); |
| 72 | |
| 73 | /* Sets the scene flags. */ |
| 74 | RTC_API void rtcSetSceneFlags(RTCScene scene, enum RTCSceneFlags flags); |
| 75 | |
| 76 | /* Returns the scene flags. */ |
| 77 | RTC_API enum RTCSceneFlags rtcGetSceneFlags(RTCScene scene); |
| 78 | |
| 79 | /* Returns the axis-aligned bounds of the scene. */ |
| 80 | RTC_API void rtcGetSceneBounds(RTCScene scene, struct RTCBounds* bounds_o); |
| 81 | |
| 82 | /* Returns the linear axis-aligned bounds of the scene. */ |
| 83 | RTC_API void rtcGetSceneLinearBounds(RTCScene scene, struct RTCLinearBounds* bounds_o); |
| 84 | |
| 85 | |
| 86 | /* Perform a closest point query of the scene. */ |
| 87 | RTC_API bool rtcPointQuery(RTCScene scene, struct RTCPointQuery* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void* userPtr); |
| 88 | |
| 89 | /* Perform a closest point query with a packet of 4 points with the scene. */ |
| 90 | RTC_API bool rtcPointQuery4(const int* valid, RTCScene scene, struct RTCPointQuery4* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr); |
| 91 | |
| 92 | /* Perform a closest point query with a packet of 4 points with the scene. */ |
| 93 | RTC_API bool rtcPointQuery8(const int* valid, RTCScene scene, struct RTCPointQuery8* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr); |
| 94 | |
| 95 | /* Perform a closest point query with a packet of 4 points with the scene. */ |
| 96 | RTC_API bool rtcPointQuery16(const int* valid, RTCScene scene, struct RTCPointQuery16* query, struct RTCPointQueryContext* context, RTCPointQueryFunction queryFunc, void** userPtr); |
| 97 | |
| 98 | /* Intersects a single ray with the scene. */ |
| 99 | RTC_API void rtcIntersect1(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit* rayhit); |
| 100 | |
| 101 | /* Intersects a packet of 4 rays with the scene. */ |
| 102 | RTC_API void rtcIntersect4(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit4* rayhit); |
| 103 | |
| 104 | /* Intersects a packet of 8 rays with the scene. */ |
| 105 | RTC_API void rtcIntersect8(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit8* rayhit); |
| 106 | |
| 107 | /* Intersects a packet of 16 rays with the scene. */ |
| 108 | RTC_API void rtcIntersect16(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit16* rayhit); |
| 109 | |
| 110 | /* Intersects a stream of M rays with the scene. */ |
| 111 | RTC_API void rtcIntersect1M(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit* rayhit, unsigned int M, size_t byteStride); |
| 112 | |
| 113 | /* Intersects a stream of pointers to M rays with the scene. */ |
| 114 | RTC_API void rtcIntersect1Mp(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHit** rayhit, unsigned int M); |
| 115 | |
| 116 | /* Intersects a stream of M ray packets of size N in SOA format with the scene. */ |
| 117 | RTC_API void rtcIntersectNM(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayHitN* rayhit, unsigned int N, unsigned int M, size_t byteStride); |
| 118 | |
| 119 | /* Intersects a stream of M ray packets of size N in SOA format with the scene. */ |
| 120 | RTC_API void rtcIntersectNp(RTCScene scene, struct RTCIntersectContext* context, const struct RTCRayHitNp* rayhit, unsigned int N); |
| 121 | |
| 122 | /* Tests a single ray for occlusion with the scene. */ |
| 123 | RTC_API void rtcOccluded1(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay* ray); |
| 124 | |
| 125 | /* Tests a packet of 4 rays for occlusion occluded with the scene. */ |
| 126 | RTC_API void rtcOccluded4(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay4* ray); |
| 127 | |
| 128 | /* Tests a packet of 8 rays for occlusion with the scene. */ |
| 129 | RTC_API void rtcOccluded8(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay8* ray); |
| 130 | |
| 131 | /* Tests a packet of 16 rays for occlusion with the scene. */ |
| 132 | RTC_API void rtcOccluded16(const int* valid, RTCScene scene, struct RTCIntersectContext* context, struct RTCRay16* ray); |
| 133 | |
| 134 | /* Tests a stream of M rays for occlusion with the scene. */ |
| 135 | RTC_API void rtcOccluded1M(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay* ray, unsigned int M, size_t byteStride); |
| 136 | |
| 137 | /* Tests a stream of pointers to M rays for occlusion with the scene. */ |
| 138 | RTC_API void rtcOccluded1Mp(RTCScene scene, struct RTCIntersectContext* context, struct RTCRay** ray, unsigned int M); |
| 139 | |
| 140 | /* Tests a stream of M ray packets of size N in SOA format for occlusion with the scene. */ |
| 141 | RTC_API void rtcOccludedNM(RTCScene scene, struct RTCIntersectContext* context, struct RTCRayN* ray, unsigned int N, unsigned int M, size_t byteStride); |
| 142 | |
| 143 | /* Tests a stream of M ray packets of size N in SOA format for occlusion with the scene. */ |
| 144 | RTC_API void rtcOccludedNp(RTCScene scene, struct RTCIntersectContext* context, const struct RTCRayNp* ray, unsigned int N); |
| 145 | |
| 146 | /*! collision callback */ |
| 147 | struct RTCCollision { unsigned int geomID0; unsigned int primID0; unsigned int geomID1; unsigned int primID1; }; |
| 148 | typedef void (*RTCCollideFunc) (void* userPtr, struct RTCCollision* collisions, unsigned int num_collisions); |
| 149 | |
| 150 | /*! Performs collision detection of two scenes */ |
| 151 | RTC_API void rtcCollide (RTCScene scene0, RTCScene scene1, RTCCollideFunc callback, void* userPtr); |
| 152 | |
| 153 | #if defined(__cplusplus) |
| 154 | |
| 155 | /* Helper for easily combining scene flags */ |
| 156 | inline RTCSceneFlags operator|(RTCSceneFlags a, RTCSceneFlags b) { |
| 157 | return (RTCSceneFlags)((size_t)a | (size_t)b); |
| 158 | } |
| 159 | |
| 160 | #endif |
| 161 | |
| 162 | RTC_NAMESPACE_END |
| 163 | |
| 164 | |