eic-opticks/qudarap/QTex.hh

0001 #pragma once
0002 /**
0003 QTex.hh
0004 ========
0005
0006
0007 **/
0008 #include <string>
0009 #include <cstddef>
0010 #include "scuda.h"
0011
0012 #if defined(MOCK_TEXTURE) || defined(MOCK_CUDA)
0013 #else
0014 #include <texture_types.h>
0015 #endif
0016
0017 struct NP ;
0018 struct quad4 ;
0019 union quad ;
0020
0021 #include "QUDARAP_API_EXPORT.hh"
0022
0023 template<typename T>
0024 struct QUDARAP_API QTex
0025 {
0026     size_t       width ;
0027     size_t       height ;
0028     const void*  src ;
0029     char         filterMode ;  // 'L':cudaFilterModeLinear OR 'P':cudaFilterModePoint
0030     bool         normalizedCoords ;
0031     const void*  origin ;  // typically an NP array
0032     const NP*    a ;
0033     // TODO: remove the duplication here, why not just use a ?
0034
0035 #if defined(MOCK_TEXTURE) || defined(MOCK_CUDA)
0036 #else
0037     cudaArray*   cuArray ;
0038     cudaChannelFormatDesc channelDesc ;
0039 #endif
0040     cudaTextureObject_t texObj ;
0041
0042     quad4*              meta ;
0043     quad4*              d_meta ;
0044
0045     QTex( size_t width, size_t height, const void* src, char filterMode, bool normalizedCoords, const NP* a   );
0046
0047     void     setMetaDomainX( const quad* domx );
0048     void     setMetaDomainY( const quad* domy );
0049     void     uploadMeta();
0050
0051     void           setOrigin(const void* origin_) ;
0052     const void*    getOrigin() const ;
0053
0054     void     setHDFactor(unsigned hd_factor_) ;
0055     unsigned getHDFactor() const ;
0056
0057     char     getFilterMode() const ;
0058     bool     getNormalizedCoords() const ;
0059
0060     virtual ~QTex();
0061
0062     void init();
0063     std::string desc() const ;
0064
0065 #if defined(MOCK_TEXTURE) || defined(MOCK_CUDA)
0066 #else
0067     void createArray();
0068     void uploadToArray();
0069     void createTextureObject();
0070 #endif
0071
0072 };
0073
0074