// Copyright 2009-2021 Intel Corporation // SPDX-License-Identifier: Apache-2.0 #pragma once #include "rtcore_buffer.h" #include "rtcore_quaternion.h" RTC_NAMESPACE_BEGIN /* Opaque scene type */ RTCScene; /* Opaque geometry type */ RTCGeometry; /* Types of geometries */ enum RTCGeometryType { … }; /* Interpolation modes for subdivision surfaces */ enum RTCSubdivisionMode { … }; /* Curve segment flags */ enum RTCCurveFlags { … }; /* Arguments for RTCBoundsFunction */ struct RTCBoundsFunctionArguments { … }; /* Bounding callback function */ RTCBoundsFunction; /* Arguments for RTCIntersectFunctionN */ struct RTCIntersectFunctionNArguments { … }; /* Arguments for RTCOccludedFunctionN */ struct RTCOccludedFunctionNArguments { … }; /* Arguments for RTCDisplacementFunctionN */ struct RTCDisplacementFunctionNArguments { … }; /* Displacement mapping callback function */ RTCDisplacementFunctionN; /* Creates a new geometry of specified type. */ RTC_API RTCGeometry rtcNewGeometry(RTCDevice device, enum RTCGeometryType type); /* Retains the geometry (increments the reference count). */ RTC_API void rtcRetainGeometry(RTCGeometry geometry); /* Releases the geometry (decrements the reference count) */ RTC_API void rtcReleaseGeometry(RTCGeometry geometry); /* Commits the geometry. */ RTC_API void rtcCommitGeometry(RTCGeometry geometry); /* Enables the geometry. */ RTC_API void rtcEnableGeometry(RTCGeometry geometry); /* Disables the geometry. */ RTC_API void rtcDisableGeometry(RTCGeometry geometry); /* Sets the number of motion blur time steps of the geometry. */ RTC_API void rtcSetGeometryTimeStepCount(RTCGeometry geometry, unsigned int timeStepCount); /* Sets the motion blur time range of the geometry. */ RTC_API void rtcSetGeometryTimeRange(RTCGeometry geometry, float startTime, float endTime); /* Sets the number of vertex attributes of the geometry. */ RTC_API void rtcSetGeometryVertexAttributeCount(RTCGeometry geometry, unsigned int vertexAttributeCount); /* Sets the ray mask of the geometry. */ RTC_API void rtcSetGeometryMask(RTCGeometry geometry, unsigned int mask); /* Sets the build quality of the geometry. */ RTC_API void rtcSetGeometryBuildQuality(RTCGeometry geometry, enum RTCBuildQuality quality); /* Sets the maximal curve or point radius scale allowed by min-width feature. */ RTC_API void rtcSetGeometryMaxRadiusScale(RTCGeometry geometry, float maxRadiusScale); /* Sets a geometry buffer. */ RTC_API void rtcSetGeometryBuffer(RTCGeometry geometry, enum RTCBufferType type, unsigned int slot, enum RTCFormat format, RTCBuffer buffer, size_t byteOffset, size_t byteStride, size_t itemCount); /* Sets a shared geometry buffer. */ RTC_API void rtcSetSharedGeometryBuffer(RTCGeometry geometry, enum RTCBufferType type, unsigned int slot, enum RTCFormat format, const void* ptr, size_t byteOffset, size_t byteStride, size_t itemCount); /* Creates and sets a new geometry buffer. */ RTC_API void* rtcSetNewGeometryBuffer(RTCGeometry geometry, enum RTCBufferType type, unsigned int slot, enum RTCFormat format, size_t byteStride, size_t itemCount); /* Returns the pointer to the data of a buffer. */ RTC_API void* rtcGetGeometryBufferData(RTCGeometry geometry, enum RTCBufferType type, unsigned int slot); /* Updates a geometry buffer. */ RTC_API void rtcUpdateGeometryBuffer(RTCGeometry geometry, enum RTCBufferType type, unsigned int slot); /* Sets the intersection filter callback function of the geometry. */ RTC_API void rtcSetGeometryIntersectFilterFunction(RTCGeometry geometry, RTCFilterFunctionN filter); /* Sets the occlusion filter callback function of the geometry. */ RTC_API void rtcSetGeometryOccludedFilterFunction(RTCGeometry geometry, RTCFilterFunctionN filter); /* Enables argument version of intersection or occlusion filter function. */ RTC_API void rtcSetGeometryEnableFilterFunctionFromArguments(RTCGeometry geometry, bool enable); /* Sets the user-defined data pointer of the geometry. */ RTC_API void rtcSetGeometryUserData(RTCGeometry geometry, void* ptr); /* Gets the user-defined data pointer of the geometry. */ RTC_API void* rtcGetGeometryUserData(RTCGeometry geometry); /* Set the point query callback function of a geometry. */ RTC_API void rtcSetGeometryPointQueryFunction(RTCGeometry geometry, RTCPointQueryFunction pointQuery); /* Sets the number of primitives of a user geometry. */ RTC_API void rtcSetGeometryUserPrimitiveCount(RTCGeometry geometry, unsigned int userPrimitiveCount); /* Sets the bounding callback function to calculate bounding boxes for user primitives. */ RTC_API void rtcSetGeometryBoundsFunction(RTCGeometry geometry, RTCBoundsFunction bounds, void* userPtr); /* Set the intersect callback function of a user geometry. */ RTC_API void rtcSetGeometryIntersectFunction(RTCGeometry geometry, RTCIntersectFunctionN intersect); /* Set the occlusion callback function of a user geometry. */ RTC_API void rtcSetGeometryOccludedFunction(RTCGeometry geometry, RTCOccludedFunctionN occluded); /* Invokes the intersection filter from the intersection callback function. */ RTC_SYCL_API void rtcInvokeIntersectFilterFromGeometry(const struct RTCIntersectFunctionNArguments* args, const struct RTCFilterFunctionNArguments* filterArgs); /* Invokes the occlusion filter from the occlusion callback function. */ RTC_SYCL_API void rtcInvokeOccludedFilterFromGeometry(const struct RTCOccludedFunctionNArguments* args, const struct RTCFilterFunctionNArguments* filterArgs); /* Sets the instanced scene of an instance geometry. */ RTC_API void rtcSetGeometryInstancedScene(RTCGeometry geometry, RTCScene scene); /* Sets the instanced scenes of an instance array geometry. */ RTC_API void rtcSetGeometryInstancedScenes(RTCGeometry geometry, RTCScene* scenes, size_t numScenes); /* Sets the transformation of an instance for the specified time step. */ RTC_API void rtcSetGeometryTransform(RTCGeometry geometry, unsigned int timeStep, enum RTCFormat format, const void* xfm); /* Sets the transformation quaternion of an instance for the specified time step. */ RTC_API void rtcSetGeometryTransformQuaternion(RTCGeometry geometry, unsigned int timeStep, const struct RTCQuaternionDecomposition* qd); /* Returns the interpolated transformation of an instance for the specified time. */ RTC_API void rtcGetGeometryTransform(RTCGeometry geometry, float time, enum RTCFormat format, void* xfm); /* * Returns the interpolated transformation of the instPrimID'th instance of an * instance array for the specified time. If geometry is an regular instance, * instPrimID must be 0. */ RTC_API void rtcGetGeometryTransformEx(RTCGeometry geometry, unsigned int instPrimID, float time, enum RTCFormat format, void* xfm); /* Sets the uniform tessellation rate of the geometry. */ RTC_API void rtcSetGeometryTessellationRate(RTCGeometry geometry, float tessellationRate); /* Sets the number of topologies of a subdivision surface. */ RTC_API void rtcSetGeometryTopologyCount(RTCGeometry geometry, unsigned int topologyCount); /* Sets the subdivision interpolation mode. */ RTC_API void rtcSetGeometrySubdivisionMode(RTCGeometry geometry, unsigned int topologyID, enum RTCSubdivisionMode mode); /* Binds a vertex attribute to a topology of the geometry. */ RTC_API void rtcSetGeometryVertexAttributeTopology(RTCGeometry geometry, unsigned int vertexAttributeID, unsigned int topologyID); /* Sets the displacement callback function of a subdivision surface. */ RTC_API void rtcSetGeometryDisplacementFunction(RTCGeometry geometry, RTCDisplacementFunctionN displacement); /* Returns the first half edge of a face. */ RTC_API unsigned int rtcGetGeometryFirstHalfEdge(RTCGeometry geometry, unsigned int faceID); /* Returns the face the half edge belongs to. */ RTC_API unsigned int rtcGetGeometryFace(RTCGeometry geometry, unsigned int edgeID); /* Returns next half edge. */ RTC_API unsigned int rtcGetGeometryNextHalfEdge(RTCGeometry geometry, unsigned int edgeID); /* Returns previous half edge. */ RTC_API unsigned int rtcGetGeometryPreviousHalfEdge(RTCGeometry geometry, unsigned int edgeID); /* Returns opposite half edge. */ RTC_API unsigned int rtcGetGeometryOppositeHalfEdge(RTCGeometry geometry, unsigned int topologyID, unsigned int edgeID); /* Arguments for rtcInterpolate */ struct RTCInterpolateArguments { … }; /* Interpolates vertex data to some u/v location and optionally calculates all derivatives. */ RTC_API void rtcInterpolate(const struct RTCInterpolateArguments* args); /* Interpolates vertex data to some u/v location. */ RTC_FORCEINLINE void rtcInterpolate0(RTCGeometry geometry, unsigned int primID, float u, float v, enum RTCBufferType bufferType, unsigned int bufferSlot, float* P, unsigned int valueCount) { … } /* Interpolates vertex data to some u/v location and calculates first order derivatives. */ RTC_FORCEINLINE void rtcInterpolate1(RTCGeometry geometry, unsigned int primID, float u, float v, enum RTCBufferType bufferType, unsigned int bufferSlot, float* P, float* dPdu, float* dPdv, unsigned int valueCount) { … } /* Interpolates vertex data to some u/v location and calculates first and second order derivatives. */ RTC_FORCEINLINE void rtcInterpolate2(RTCGeometry geometry, unsigned int primID, float u, float v, enum RTCBufferType bufferType, unsigned int bufferSlot, float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, unsigned int valueCount) { … } /* Arguments for rtcInterpolateN */ struct RTCInterpolateNArguments { … }; /* Interpolates vertex data to an array of u/v locations. */ RTC_API void rtcInterpolateN(const struct RTCInterpolateNArguments* args); /* RTCGrid primitive for grid mesh */ struct RTCGrid { … }; RTC_NAMESPACE_END
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