118 lines
4.5 KiB
Plaintext
118 lines
4.5 KiB
Plaintext
// ======================================================================== //
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// Copyright 2009-2015 Intel Corporation //
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// //
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// Licensed under the Apache License, Version 2.0 (the "License"); //
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// you may not use this file except in compliance with the License. //
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// You may obtain a copy of the License at //
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// //
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// http://www.apache.org/licenses/LICENSE-2.0 //
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// //
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// Unless required by applicable law or agreed to in writing, software //
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// distributed under the License is distributed on an "AS IS" BASIS, //
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
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// See the License for the specific language governing permissions and //
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// limitations under the License. //
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// ======================================================================== //
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#ifndef __RTCORE_RAY_ISPH__
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#define __RTCORE_RAY_ISPH__
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/*! \ingroup embree_kernel_api_ispc */
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/*! \{ */
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/*! Ray structure for uniform (single) rays. */
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struct RTCRay1
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{
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/* ray data */
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float org[3]; //!< Ray origin
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float align0; //!< unused member to force alignment of following members
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float dir[3]; //!< Ray direction
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float align1; //!< unused member to force alignment of following members
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float tnear; //!< Start of ray segment
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float tfar; //!< End of ray segment (set to hit distance)
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float time; //!< Time of this ray for motion blur
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unsigned mask; //!< Used to mask out objects during traversal
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/* hit data */
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float Ng[3]; //!< Unnormalized geometry normal
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float align2;
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float u; //!< Barycentric u coordinate of hit
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float v; //!< Barycentric v coordinate of hit
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unsigned geomID; //!< geometry ID
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unsigned primID; //!< primitive ID
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unsigned instID; //!< instance ID
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varying unsigned align[0]; //!< aligns ray on stack to at least 16 bytes
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};
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/*! Ray structure for packets of 4 rays. */
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struct RTCRay
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{
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/* ray data */
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float orgx; //!< x coordinate of ray origin
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float orgy; //!< y coordinate of ray origin
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float orgz; //!< z coordinate of ray origin
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float dirx; //!< x coordinate of ray direction
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float diry; //!< y coordinate of ray direction
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float dirz; //!< z coordinate of ray direction
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float tnear; //!< Start of ray segment
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float tfar; //!< End of ray segment
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float time; //!< Time of this ray for motion blur
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unsigned mask; //!< Used to mask out objects during traversal
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/* hit data */
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float Ngx; //!< x coordinate of geometry normal
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float Ngy; //!< y coordinate of geometry normal
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float Ngz; //!< z coordinate of geometry normal
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float u; //!< Barycentric u coordinate of hit
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float v; //!< Barycentric v coordinate of hit
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unsigned geomID; //!< geometry ID
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unsigned primID; //!< primitive ID
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unsigned instID; //!< instance ID
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};
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struct RTCRaySOA
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{
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/* ray data */
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uniform float* uniform orgx; //!< x coordinate of ray origin
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uniform float* uniform orgy; //!< y coordinate of ray origin
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uniform float* uniform orgz; //!< z coordinate of ray origin
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uniform float* uniform dirx; //!< x coordinate of ray direction
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uniform float* uniform diry; //!< y coordinate of ray direction
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uniform float* uniform dirz; //!< z coordinate of ray direction
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uniform float* uniform tnear; //!< Start of ray segment (optional)
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uniform float* uniform tfar; //!< End of ray segment (set to hit distance)
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uniform float* uniform time; //!< Time of this ray for motion blur (optional)
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uniform unsigned* uniform mask; //!< Used to mask out objects during traversal (optional)
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/* hit data */
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uniform float* uniform Ngx; //!< x coordinate of geometry normal (optional)
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uniform float* uniform Ngy; //!< y coordinate of geometry normal (optional)
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uniform float* uniform Ngz; //!< z coordinate of geometry normal (optional)
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uniform float* uniform u; //!< Barycentric u coordinate of hit
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uniform float* uniform v; //!< Barycentric v coordinate of hit
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uniform unsigned* uniform geomID; //!< geometry ID
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uniform unsigned* uniform primID; //!< primitive ID
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uniform unsigned* uniform instID; //!< instance ID (optional)
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};
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/*! @} */
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#endif
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