optix_prime_private.h

/*
 * Copyright (c) 2013 NVIDIA Corporation.  All rights reserved.
 *
 * NVIDIA Corporation and its licensors retain all intellectual property and proprietary
 * rights in and to this software, related documentation and any modifications thereto.
 * Any use, reproduction, disclosure or distribution of this software and related
 * documentation without an express license agreement from NVIDIA Corporation is strictly
 * prohibited.
 *
 * TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS SOFTWARE IS PROVIDED *AS IS*
 * AND NVIDIA AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES, EITHER EXPRESS OR IMPLIED,
 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE.  IN NO EVENT SHALL NVIDIA OR ITS SUPPLIERS BE LIABLE FOR ANY
 * SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT
 * LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF
 * BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS) ARISING OUT OF THE USE OF OR
 * INABILITY TO USE THIS SOFTWARE, EVEN IF NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGES
 */
 
// Doxygen-notice: no @file directive prevents this file from being documented

#ifndef __optix_optix_prime_internal_h__
#define __optix_optix_prime_internal_h__

#include "optix_prime.h"

enum RTPcontexttypeex 
{
  RTP_CONTEXT_TYPE_CPU_NAIVE = 0x110,  
  RTP_CONTEXT_TYPE_CPU_ISPC  = 0x111   
};

enum RTPmodelhintex
{
  RTP_MODEL_HINT_INSTANCES_AFTER_COPY_SET = 0x2008  
};

enum RTPbuilderparamex {
    RTP_BUILDER_PARAM_GENERIC = 0x810, 
    RTP_BUILDER_PARAM_STRING  = 0x811  
};

#ifdef __cplusplus
extern "C" {
#endif

RTPresult RTPAPI rtpModelEstimateMemoryUsage( RTPmodel model, RTPsize numIndices, RTPsize numVertices, /*out*/ RTPsize* finalized, /*out*/ RTPsize* maximum );


RTPresult RTPAPI rtpModelGetInternals( RTPmodel model, /*out*/ RTPsize* size, /*out*/ void* buffer );

struct RTPinternals_3070
{
  struct BvhNode
  {
    float bbmin0[3], bbmax0[3]; 
    int   index0[2];            
    float bbmin1[3], bbmax1[3]; 
    int   index1[2];            
  };

  struct WoopTriangle
  {
    float t[4], u[4], v[4];
  };

  int           numNodes;
  int           numEntities;    // number of triangles or instances

  BvhNode*      nodes;          // [numNodes]
  int*          remap;          
  WoopTriangle* woopTriangles;  // [numEntities] or NULL if using caller triangles

  int           indexStride;
  int           vertexStride;
  int*          indices;        
  float*        vertices;

  int           matrixStride;
  float*        invMatrices;        // [numEntities] 
  int*          instanceToModelId;  // [numEntities] Assumes that models are in the order of first appearance in original instance list
};


#ifdef __cplusplus
}
#endif

#endif /* #ifndef __optix_optix_prime_internal_h__ */