eic-opticks/sysrap/SOPTIX_Params.h

0001 #pragma once
0002 /**
0003 SOPTIX_Params.h : render control
0004 ==================================
0005
0006 This is populated by SOPTIX::set_param
0007
0008 cf: CSGOptiX/Params.h
0009
0010
0011 **/
0012
0013 #include <optix.h>
0014
0015
0016 struct SOPTIX_Params
0017 {
0018     unsigned width  ;
0019     unsigned height ;
0020     uchar4*  pixels  ;
0021
0022     float  tmin ;
0023     float  tmax ;
0024
0025     unsigned vizmask ;
0026     unsigned cameratype ;
0027
0028     float3 eye;
0029     float3 U;
0030     float3 V;
0031     float3 W;
0032
0033     float3 WNORM ;
0034     float4 ZPROJ ;
0035
0036     OptixTraversableHandle handle ;
0037
0038 #ifndef __CUDACC__
0039     static SOPTIX_Params* DeviceAlloc();
0040     void upload(SOPTIX_Params* d_param);
0041 #endif
0042
0043 };
0044
0045
0046 #ifndef __CUDACC__
0047
0048 inline SOPTIX_Params* SOPTIX_Params::DeviceAlloc()  // static
0049 {
0050     SOPTIX_Params* d_param = nullptr ;
0051     CUDA_CHECK( cudaMalloc( reinterpret_cast<void**>( &d_param ), sizeof( SOPTIX_Params ) ) );
0052     return d_param ;
0053 }
0054 inline void SOPTIX_Params::upload(SOPTIX_Params* d_param)
0055 {
0056     CUDA_CHECK( cudaMemcpy( reinterpret_cast<void*>( d_param ), this, sizeof( SOPTIX_Params ), cudaMemcpyHostToDevice) );
0057     // hmm some optix7.5 SDK examples (optixMeshViewer) using cudaMemcpyAsync for parameter upload
0058 }
0059
0060 #endif
0061
0062
0063
0064