a69cc9f13d
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.
(cherry picked from commit 767e374dce)
383 lines
14 KiB
C++
383 lines
14 KiB
C++
// 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 */
|
|
typedef struct RTCSceneTy* RTCScene;
|
|
|
|
/* Opaque geometry type */
|
|
typedef struct RTCGeometryTy* RTCGeometry;
|
|
|
|
/* Types of geometries */
|
|
enum RTCGeometryType
|
|
{
|
|
RTC_GEOMETRY_TYPE_TRIANGLE = 0, // triangle mesh
|
|
RTC_GEOMETRY_TYPE_QUAD = 1, // quad (triangle pair) mesh
|
|
RTC_GEOMETRY_TYPE_GRID = 2, // grid mesh
|
|
|
|
RTC_GEOMETRY_TYPE_SUBDIVISION = 8, // Catmull-Clark subdivision surface
|
|
|
|
RTC_GEOMETRY_TYPE_CONE_LINEAR_CURVE = 15, // Cone linear curves - discontinuous at edge boundaries
|
|
RTC_GEOMETRY_TYPE_ROUND_LINEAR_CURVE = 16, // Round (rounded cone like) linear curves
|
|
RTC_GEOMETRY_TYPE_FLAT_LINEAR_CURVE = 17, // flat (ribbon-like) linear curves
|
|
|
|
RTC_GEOMETRY_TYPE_ROUND_BEZIER_CURVE = 24, // round (tube-like) Bezier curves
|
|
RTC_GEOMETRY_TYPE_FLAT_BEZIER_CURVE = 25, // flat (ribbon-like) Bezier curves
|
|
RTC_GEOMETRY_TYPE_NORMAL_ORIENTED_BEZIER_CURVE = 26, // flat normal-oriented Bezier curves
|
|
|
|
RTC_GEOMETRY_TYPE_ROUND_BSPLINE_CURVE = 32, // round (tube-like) B-spline curves
|
|
RTC_GEOMETRY_TYPE_FLAT_BSPLINE_CURVE = 33, // flat (ribbon-like) B-spline curves
|
|
RTC_GEOMETRY_TYPE_NORMAL_ORIENTED_BSPLINE_CURVE = 34, // flat normal-oriented B-spline curves
|
|
|
|
RTC_GEOMETRY_TYPE_ROUND_HERMITE_CURVE = 40, // round (tube-like) Hermite curves
|
|
RTC_GEOMETRY_TYPE_FLAT_HERMITE_CURVE = 41, // flat (ribbon-like) Hermite curves
|
|
RTC_GEOMETRY_TYPE_NORMAL_ORIENTED_HERMITE_CURVE = 42, // flat normal-oriented Hermite curves
|
|
|
|
RTC_GEOMETRY_TYPE_SPHERE_POINT = 50,
|
|
RTC_GEOMETRY_TYPE_DISC_POINT = 51,
|
|
RTC_GEOMETRY_TYPE_ORIENTED_DISC_POINT = 52,
|
|
|
|
RTC_GEOMETRY_TYPE_ROUND_CATMULL_ROM_CURVE = 58, // round (tube-like) Catmull-Rom curves
|
|
RTC_GEOMETRY_TYPE_FLAT_CATMULL_ROM_CURVE = 59, // flat (ribbon-like) Catmull-Rom curves
|
|
RTC_GEOMETRY_TYPE_NORMAL_ORIENTED_CATMULL_ROM_CURVE = 60, // flat normal-oriented Catmull-Rom curves
|
|
|
|
RTC_GEOMETRY_TYPE_USER = 120, // user-defined geometry
|
|
RTC_GEOMETRY_TYPE_INSTANCE = 121 // scene instance
|
|
};
|
|
|
|
/* Interpolation modes for subdivision surfaces */
|
|
enum RTCSubdivisionMode
|
|
{
|
|
RTC_SUBDIVISION_MODE_NO_BOUNDARY = 0,
|
|
RTC_SUBDIVISION_MODE_SMOOTH_BOUNDARY = 1,
|
|
RTC_SUBDIVISION_MODE_PIN_CORNERS = 2,
|
|
RTC_SUBDIVISION_MODE_PIN_BOUNDARY = 3,
|
|
RTC_SUBDIVISION_MODE_PIN_ALL = 4,
|
|
};
|
|
|
|
/* Curve segment flags */
|
|
enum RTCCurveFlags
|
|
{
|
|
RTC_CURVE_FLAG_NEIGHBOR_LEFT = (1 << 0), // left segments exists
|
|
RTC_CURVE_FLAG_NEIGHBOR_RIGHT = (1 << 1) // right segment exists
|
|
};
|
|
|
|
/* Arguments for RTCBoundsFunction */
|
|
struct RTCBoundsFunctionArguments
|
|
{
|
|
void* geometryUserPtr;
|
|
unsigned int primID;
|
|
unsigned int timeStep;
|
|
struct RTCBounds* bounds_o;
|
|
};
|
|
|
|
/* Bounding callback function */
|
|
typedef void (*RTCBoundsFunction)(const struct RTCBoundsFunctionArguments* args);
|
|
|
|
/* Arguments for RTCIntersectFunctionN */
|
|
struct RTCIntersectFunctionNArguments
|
|
{
|
|
int* valid;
|
|
void* geometryUserPtr;
|
|
unsigned int primID;
|
|
struct RTCIntersectContext* context;
|
|
struct RTCRayHitN* rayhit;
|
|
unsigned int N;
|
|
unsigned int geomID;
|
|
};
|
|
|
|
/* Intersection callback function */
|
|
typedef void (*RTCIntersectFunctionN)(const struct RTCIntersectFunctionNArguments* args);
|
|
|
|
/* Arguments for RTCOccludedFunctionN */
|
|
struct RTCOccludedFunctionNArguments
|
|
{
|
|
int* valid;
|
|
void* geometryUserPtr;
|
|
unsigned int primID;
|
|
struct RTCIntersectContext* context;
|
|
struct RTCRayN* ray;
|
|
unsigned int N;
|
|
unsigned int geomID;
|
|
};
|
|
|
|
/* Occlusion callback function */
|
|
typedef void (*RTCOccludedFunctionN)(const struct RTCOccludedFunctionNArguments* args);
|
|
|
|
/* Arguments for RTCDisplacementFunctionN */
|
|
struct RTCDisplacementFunctionNArguments
|
|
{
|
|
void* geometryUserPtr;
|
|
RTCGeometry geometry;
|
|
unsigned int primID;
|
|
unsigned int timeStep;
|
|
const float* u;
|
|
const float* v;
|
|
const float* Ng_x;
|
|
const float* Ng_y;
|
|
const float* Ng_z;
|
|
float* P_x;
|
|
float* P_y;
|
|
float* P_z;
|
|
unsigned int N;
|
|
};
|
|
|
|
/* Displacement mapping callback function */
|
|
typedef void (*RTCDisplacementFunctionN)(const struct RTCDisplacementFunctionNArguments* args);
|
|
|
|
/* 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);
|
|
|
|
/* 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_API void rtcFilterIntersection(const struct RTCIntersectFunctionNArguments* args, const struct RTCFilterFunctionNArguments* filterArgs);
|
|
|
|
/* Invokes the occlusion filter from the occlusion callback function. */
|
|
RTC_API void rtcFilterOcclusion(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 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);
|
|
|
|
|
|
/* 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
|
|
{
|
|
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;
|
|
};
|
|
|
|
/* 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)
|
|
{
|
|
struct RTCInterpolateArguments args;
|
|
args.geometry = geometry;
|
|
args.primID = primID;
|
|
args.u = u;
|
|
args.v = v;
|
|
args.bufferType = bufferType;
|
|
args.bufferSlot = bufferSlot;
|
|
args.P = P;
|
|
args.dPdu = NULL;
|
|
args.dPdv = NULL;
|
|
args.ddPdudu = NULL;
|
|
args.ddPdvdv = NULL;
|
|
args.ddPdudv = NULL;
|
|
args.valueCount = valueCount;
|
|
rtcInterpolate(&args);
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
struct RTCInterpolateArguments args;
|
|
args.geometry = geometry;
|
|
args.primID = primID;
|
|
args.u = u;
|
|
args.v = v;
|
|
args.bufferType = bufferType;
|
|
args.bufferSlot = bufferSlot;
|
|
args.P = P;
|
|
args.dPdu = dPdu;
|
|
args.dPdv = dPdv;
|
|
args.ddPdudu = NULL;
|
|
args.ddPdvdv = NULL;
|
|
args.ddPdudv = NULL;
|
|
args.valueCount = valueCount;
|
|
rtcInterpolate(&args);
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
struct RTCInterpolateArguments args;
|
|
args.geometry = geometry;
|
|
args.primID = primID;
|
|
args.u = u;
|
|
args.v = v;
|
|
args.bufferType = bufferType;
|
|
args.bufferSlot = bufferSlot;
|
|
args.P = P;
|
|
args.dPdu = dPdu;
|
|
args.dPdv = dPdv;
|
|
args.ddPdudu = ddPdudu;
|
|
args.ddPdvdv = ddPdvdv;
|
|
args.ddPdudv = ddPdudv;
|
|
args.valueCount = valueCount;
|
|
rtcInterpolate(&args);
|
|
}
|
|
|
|
/* Arguments for rtcInterpolateN */
|
|
struct RTCInterpolateNArguments
|
|
{
|
|
RTCGeometry geometry;
|
|
const void* valid;
|
|
const unsigned int* primIDs;
|
|
const float* u;
|
|
const float* v;
|
|
unsigned int N;
|
|
enum RTCBufferType bufferType;
|
|
unsigned int bufferSlot;
|
|
float* P;
|
|
float* dPdu;
|
|
float* dPdv;
|
|
float* ddPdudu;
|
|
float* ddPdvdv;
|
|
float* ddPdudv;
|
|
unsigned int valueCount;
|
|
};
|
|
|
|
/* 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
|
|
{
|
|
unsigned int startVertexID;
|
|
unsigned int stride;
|
|
unsigned short width,height; // max is a 32k x 32k grid
|
|
};
|
|
|
|
RTC_NAMESPACE_END
|
|
|
|
|