optimize Dx and Dy calcualtion to make it as single opencl kernel
This commit is contained in:
krodyush
parent
5d5527d03e
commit
de431609db
@ -1033,42 +1033,66 @@ namespace cv
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else
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scale = 1. / scale;
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if (ksize > 0)
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{
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Context* clCxt = Context::getContext();
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if(clCxt->supportsFeature(FEATURE_CL_INTEL_DEVICE) && src.type() == CV_8UC1 &&
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src.cols % 8 == 0 && src.rows % 8 == 0 &&
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ksize==3 &&
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(borderType ==cv::BORDER_REFLECT ||
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borderType == cv::BORDER_REPLICATE ||
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borderType ==cv::BORDER_REFLECT101 ||
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borderType ==cv::BORDER_WRAP))
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const int sobel_lsz = 16;
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if((src.type() == CV_8UC1 || src.type() == CV_32FC1) &&
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(ksize==3 || ksize==5 || ksize==7 || ksize==-1) &&
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src.wholerows > sobel_lsz + (ksize>>1) &&
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src.wholecols > sobel_lsz + (ksize>>1))
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{
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Dx.create(src.size(), CV_32FC1);
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Dy.create(src.size(), CV_32FC1);
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const unsigned int block_x = 8;
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const unsigned int block_y = 8;
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CV_Assert(Dx.rows == Dy.rows && Dx.cols == Dy.cols);
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size_t lt2[3] = {sobel_lsz, sobel_lsz, 1};
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size_t gt2[3] = {lt2[0]*(1 + (src.cols-1) / lt2[0]), lt2[1]*(1 + (src.rows-1) / lt2[1]), 1};
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unsigned int src_pitch = src.step;
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unsigned int dst_pitch = Dx.cols;
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unsigned int Dx_pitch = Dx.step;
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unsigned int Dy_pitch = Dy.step;
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int src_offset_x = (src.offset % src.step) / src.elemSize();
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int src_offset_y = src.offset / src.step;
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float _scale = scale;
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std::vector<std::pair<size_t , const void *> > args;
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args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&src.data ));
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args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&Dx.data ));
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args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&Dy.data ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.cols ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.rows ));
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args.push_back( std::make_pair( sizeof(cl_uint) , (void *)&src_pitch ));
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args.push_back( std::make_pair( sizeof(cl_uint) , (void *)&dst_pitch ));
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args.push_back( std::make_pair( sizeof(cl_float) , (void *)&_scale ));
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size_t gt2[3] = {src.cols, src.rows, 1}, lt2[3] = {block_x, block_y, 1};
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string option = "-D BLK_X=8 -D BLK_Y=8";
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src_offset_x ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src_offset_y ));
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args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&Dx.data ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&Dx.offset ));
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args.push_back( std::make_pair( sizeof(cl_uint) , (void *)&Dx_pitch ));
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args.push_back( std::make_pair( sizeof(cl_mem) , (void *)&Dy.data ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&Dy.offset ));
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args.push_back( std::make_pair( sizeof(cl_uint) , (void *)&Dy_pitch ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.wholecols ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&src.wholerows ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&Dx.cols ));
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args.push_back( std::make_pair( sizeof(cl_int) , (void *)&Dx.rows ));
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args.push_back( std::make_pair( sizeof(cl_float), (void *)&_scale ));
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string option = cv::format("-D BLK_X=%d -D BLK_Y=%d",(int)lt2[0],(int)lt2[1]);
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switch(src.type())
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{
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case CV_8UC1:
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option += " -D SRCTYPE=uchar";
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break;
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case CV_32FC1:
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option += " -D SRCTYPE=float";
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break;
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}
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switch(borderType)
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{
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case cv::BORDER_CONSTANT:
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option += " -D BORDER_CONSTANT";
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break;
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case cv::BORDER_REPLICATE:
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option += " -D BORDER_REPLICATE";
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break;
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@ -1076,25 +1100,51 @@ namespace cv
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option += " -D BORDER_REFLECT";
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break;
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case cv::BORDER_REFLECT101:
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option += " -D BORDER_REFLECT101";
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option += " -D BORDER_REFLECT_101";
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break;
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case cv::BORDER_WRAP:
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option += " -D BORDER_WRAP";
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break;
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default:
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CV_Error(CV_StsBadFlag, "BORDER type is not supported!");
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break;
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}
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openCLExecuteKernel(src.clCxt, &imgproc_sobel3, "sobel3", gt2, lt2, args, -1, -1, option.c_str() );
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string kernel_name;
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switch(ksize)
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{
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case -1:
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option += " -D SCHARR";
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kernel_name = "sobel3";
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break;
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case 3:
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kernel_name = "sobel3";
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break;
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case 5:
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kernel_name = "sobel5";
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break;
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case 7:
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kernel_name = "sobel7";
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break;
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default:
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CV_Error(CV_StsBadFlag, "Kernel size is not supported!");
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break;
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}
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openCLExecuteKernel(src.clCxt, &imgproc_sobel3, kernel_name, gt2, lt2, args, -1, -1, option.c_str() );
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}
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else
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{
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if (ksize > 0)
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{
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Sobel(src, Dx, CV_32F, 1, 0, ksize, scale, 0, borderType);
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Sobel(src, Dy, CV_32F, 0, 1, ksize, scale, 0, borderType);
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}
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}
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else
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{
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Scharr(src, Dx, CV_32F, 1, 0, scale, 0, borderType);
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Scharr(src, Dy, CV_32F, 0, 1, scale, 0, borderType);
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}
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}
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CV_Assert(Dx.offset == 0 && Dy.offset == 0);
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}
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@ -1,44 +1,96 @@
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////Macro for border type////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////////////////////
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#ifdef BORDER_REPLICATE
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//BORDER_REPLICATE: aaaaaa|abcdefgh|hhhhhhh
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#define ADDR_L(i, l_edge, r_edge) ((i) < (l_edge) ? (l_edge) : (i))
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#define ADDR_R(i, r_edge, addr) ((i) >= (r_edge) ? (r_edge)-1 : (addr))
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#define ADDR_H(i, t_edge, b_edge) ((i) < (t_edge) ? (t_edge) :(i))
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#define ADDR_B(i, b_edge, addr) ((i) >= (b_edge) ? (b_edge)-1 :(addr))
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#ifdef BORDER_CONSTANT
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//CCCCCC|abcdefgh|CCCCCCC
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#define EXTRAPOLATE(x, maxV)
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#elif defined BORDER_REPLICATE
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//aaaaaa|abcdefgh|hhhhhhh
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = max(min((x), (maxV) - 1), 0); \
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}
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#elif defined BORDER_WRAP
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//cdefgh|abcdefgh|abcdefg
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = ( (x) + (maxV) ) % (maxV); \
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}
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#elif defined BORDER_REFLECT
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//fedcba|abcdefgh|hgfedcb
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = min( mad24((maxV)-1,2,-(x))+1 , max((x),-(x)-1) ); \
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}
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#elif defined BORDER_REFLECT_101
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//gfedcb|abcdefgh|gfedcba
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = min( mad24((maxV)-1,2,-(x)), max((x),-(x)) ); \
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}
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#else
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#error No extrapolation method
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#endif
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#ifdef BORDER_REFLECT
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//BORDER_REFLECT: fedcba|abcdefgh|hgfedcb
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#define ADDR_L(i, l_edge, r_edge) ((i) < (l_edge) ? -(i)-1 : (i))
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#define ADDR_R(i, r_edge, addr) ((i) >= (r_edge) ? -(i)-1+((r_edge)<<1) : (addr))
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#define ADDR_H(i, t_edge, b_edge) ((i) < (t_edge) ? -(i)-1 : (i))
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#define ADDR_B(i, b_edge, addr) ((i) >= (b_edge) ? -(i)-1+((b_edge)<<1) : (addr))
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#define SRC(_x,_y) convert_float(((global SRCTYPE*)(Src+(_y)*SrcPitch))[_x])
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#ifdef BORDER_CONSTANT
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//CCCCCC|abcdefgh|CCCCCCC
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#define ELEM(_x,_y,r_edge,t_edge,const_v) (_x)<0 | (_x) >= (r_edge) | (_y)<0 | (_y) >= (t_edge) ? (const_v) : SRC((_x),(_y))
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#else
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#define ELEM(_x,_y,r_edge,t_edge,const_v) SRC((_x),(_y))
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#endif
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#ifdef BORDER_REFLECT101
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//BORDER_REFLECT101: gfedcb|abcdefgh|gfedcba
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#define ADDR_L(i, l_edge, r_edge) ((i) < (l_edge) ? -(i) : (i))
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#define ADDR_R(i, r_edge, addr) ((i) >= (r_edge) ? -(i)-2+((r_edge)<<1) : (addr))
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#define ADDR_H(i, t_edge, b_edge) ((i) < (t_edge) ? -(i) : (i))
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#define ADDR_B(i, b_edge, addr) ((i) >= (b_edge) ? -(i)-2+((b_edge)<<1) : (addr))
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#endif
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#define DSTX(_x,_y) (((global float*)(DstX+DstXOffset+(_y)*DstXPitch))[_x])
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#define DSTY(_x,_y) (((global float*)(DstY+DstYOffset+(_y)*DstYPitch))[_x])
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#ifdef BORDER_WRAP
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//BORDER_WRAP: cdefgh|abcdefgh|abcdefg
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#define ADDR_L(i, l_edge, r_edge) ((i) < (l_edge) ? (i)+(r_edge) : (i))
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#define ADDR_R(i, r_edge, addr) ((i) >= (r_edge) ? (i)-(r_edge) : (addr))
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#define ADDR_H(i, t_edge, b_edge) ((i) < (t_edge) ? (i)+(b_edge) : (i))
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#define ADDR_B(i, b_edge, addr) ((i) >= (b_edge) ? (i)-(b_edge) : (addr))
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#endif
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#define INIT_AND_READ_LOCAL_SOURCE(width, height, fill_const, kernel_border) \
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int srcX = x + srcOffsetX - (kernel_border); \
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int srcY = y + srcOffsetY - (kernel_border); \
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int xb = srcX; \
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int yb = srcY; \
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\
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EXTRAPOLATE(xb, (width)); \
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EXTRAPOLATE(yb, (height)); \
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lsmem[liy][lix] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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\
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if(lix < ((kernel_border)*2)) \
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{ \
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int xb = srcX+BLK_X; \
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EXTRAPOLATE(xb,(width)); \
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lsmem[liy][lix+BLK_X] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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} \
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if(liy< ((kernel_border)*2)) \
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{ \
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int yb = srcY+BLK_Y; \
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EXTRAPOLATE(yb, (height)); \
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lsmem[liy+BLK_Y][lix] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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} \
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if(lix<((kernel_border)*2) && liy<((kernel_border)*2)) \
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{ \
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int xb = srcX+BLK_X; \
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int yb = srcY+BLK_Y; \
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EXTRAPOLATE(xb,(width)); \
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EXTRAPOLATE(yb,(height)); \
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lsmem[liy+BLK_Y][lix+BLK_X] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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}
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__kernel void sobel3(
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__global uchar* Src,
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__global float* DstX,
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__global float* DstY,
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int width, int height,
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uint srcStride, uint dstStride,
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const uint SrcPitch,
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const int srcOffsetX,
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const int srcOffsetY,
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__global uchar* DstX,
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const int DstXOffset,
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const uint DstXPitch,
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__global uchar* DstY,
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const int DstYOffset,
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const uint DstYPitch,
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int width,
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int height,
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int dstWidth,
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int dstHeight,
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float scale
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)
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{
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@ -47,62 +99,249 @@ __kernel void sobel3(
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int lix = get_local_id(0);
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int liy = get_local_id(1);
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int gix = get_group_id(0);
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int giy = get_group_id(1);
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int id_x = get_global_id(0);
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int id_y = get_global_id(1);
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lsmem[liy+1][lix+1] = convert_float(Src[ id_y * srcStride + id_x ]);
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int id_y_h = ADDR_H(id_y-1, 0,height);
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int id_y_b = ADDR_B(id_y+1, height,id_y+1);
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int id_x_l = ADDR_L(id_x-1, 0,width);
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int id_x_r = ADDR_R(id_x+1, width,id_x+1);
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if(liy==0)
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{
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lsmem[0][lix+1]=convert_float(Src[ id_y_h * srcStride + id_x ]);
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if(lix==0)
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lsmem[0][0]=convert_float(Src[ id_y_h * srcStride + id_x_l ]);
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else if(lix==BLK_X-1)
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lsmem[0][BLK_X+1]=convert_float(Src[ id_y_h * srcStride + id_x_r ]);
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}
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else if(liy==BLK_Y-1)
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{
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lsmem[BLK_Y+1][lix+1]=convert_float(Src[ id_y_b * srcStride + id_x ]);
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if(lix==0)
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lsmem[BLK_Y+1][0]=convert_float(Src[ id_y_b * srcStride + id_x_l ]);
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else if(lix==BLK_X-1)
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lsmem[BLK_Y+1][BLK_X+1]=convert_float(Src[ id_y_b * srcStride + id_x_r ]);
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}
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if(lix==0)
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lsmem[liy+1][0] = convert_float(Src[ id_y * srcStride + id_x_l ]);
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else if(lix==BLK_X-1)
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lsmem[liy+1][BLK_X+1] = convert_float(Src[ id_y * srcStride + id_x_r ]);
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int x = (int)get_global_id(0);
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int y = (int)get_global_id(1);
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INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 1)
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barrier(CLK_LOCAL_MEM_FENCE);
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if( x >= dstWidth || y >=dstHeight ) return;
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float u1 = lsmem[liy][lix];
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float u2 = lsmem[liy][lix+1];
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float u3 = lsmem[liy][lix+2];
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float m1 = lsmem[liy+1][lix];
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float m2 = lsmem[liy+1][lix+1];
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float m3 = lsmem[liy+1][lix+2];
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float b1 = lsmem[liy+2][lix];
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float b2 = lsmem[liy+2][lix+1];
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float b3 = lsmem[liy+2][lix+2];
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//m2 * scale;//
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float dx = mad(2.0f, m3 - m1, u3 - u1 + b3 - b1 );
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DstX[ id_y * dstStride + id_x ] = dx * scale;
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float dy = mad(2.0f, b2 - u2, b1 - u1 + b3 - u3);
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DstY[ id_y * dstStride + id_x ] = dy * scale;
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//calc and store dx and dy;//
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#ifdef SCHARR
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DSTX(x,y) = mad(10.0f, m3 - m1, 3.0f * (u3 - u1 + b3 - b1)) * scale;
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DSTY(x,y) = mad(10.0f, b2 - u2, 3.0f * (b1 - u1 + b3 - u3)) * scale;
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#else
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DSTX(x,y) = mad(2.0f, m3 - m1, u3 - u1 + b3 - b1) * scale;
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DSTY(x,y) = mad(2.0f, b2 - u2, b1 - u1 + b3 - u3) * scale;
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#endif
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}
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__kernel void sobel5(
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__global uchar* Src,
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const uint SrcPitch,
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const int srcOffsetX,
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const int srcOffsetY,
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__global uchar* DstX,
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const int DstXOffset,
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const uint DstXPitch,
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__global uchar* DstY,
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const int DstYOffset,
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const uint DstYPitch,
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int width,
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int height,
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int dstWidth,
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int dstHeight,
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float scale
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)
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{
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__local float lsmem[BLK_Y+4][BLK_X+4];
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int lix = get_local_id(0);
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int liy = get_local_id(1);
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int x = (int)get_global_id(0);
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int y = (int)get_global_id(1);
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INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 2)
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barrier(CLK_LOCAL_MEM_FENCE);
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if( x >= dstWidth || y >=dstHeight ) return;
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||||
|
||||
float t1 = lsmem[liy][lix];
|
||||
float t2 = lsmem[liy][lix+1];
|
||||
float t3 = lsmem[liy][lix+2];
|
||||
float t4 = lsmem[liy][lix+3];
|
||||
float t5 = lsmem[liy][lix+4];
|
||||
|
||||
float u1 = lsmem[liy+1][lix];
|
||||
float u2 = lsmem[liy+1][lix+1];
|
||||
float u3 = lsmem[liy+1][lix+2];
|
||||
float u4 = lsmem[liy+1][lix+3];
|
||||
float u5 = lsmem[liy+1][lix+4];
|
||||
|
||||
float m1 = lsmem[liy+2][lix];
|
||||
float m2 = lsmem[liy+2][lix+1];
|
||||
float m4 = lsmem[liy+2][lix+3];
|
||||
float m5 = lsmem[liy+2][lix+4];
|
||||
|
||||
float l1 = lsmem[liy+3][lix];
|
||||
float l2 = lsmem[liy+3][lix+1];
|
||||
float l3 = lsmem[liy+3][lix+2];
|
||||
float l4 = lsmem[liy+3][lix+3];
|
||||
float l5 = lsmem[liy+3][lix+4];
|
||||
|
||||
float b1 = lsmem[liy+4][lix];
|
||||
float b2 = lsmem[liy+4][lix+1];
|
||||
float b3 = lsmem[liy+4][lix+2];
|
||||
float b4 = lsmem[liy+4][lix+3];
|
||||
float b5 = lsmem[liy+4][lix+4];
|
||||
|
||||
//calc and store dx and dy;//
|
||||
DSTX(x,y) = scale *
|
||||
mad(12.0f, m4 - m2,
|
||||
mad(6.0f, m5 - m1,
|
||||
mad(8.0f, u4 - u2 + l4 - l2,
|
||||
mad(4.0f, u5 - u1 + l5 - l1,
|
||||
mad(2.0f, t4 - t2 + b4 - b2, t5 - t1 + b5 - b1 )
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
|
||||
DSTY(x,y) = scale *
|
||||
mad(12.0f, l3 - u3,
|
||||
mad(6.0f, b3 - t3,
|
||||
mad(8.0f, l2 - u2 + l4 - u4,
|
||||
mad(4.0f, b2 - t2 + b4 - t4,
|
||||
mad(2.0f, l1 - u1 + l5 - u5, b1 - t1 + b5 - t5 )
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
__kernel void sobel7(
|
||||
__global uchar* Src,
|
||||
const uint SrcPitch,
|
||||
const int srcOffsetX,
|
||||
const int srcOffsetY,
|
||||
__global uchar* DstX,
|
||||
const int DstXOffset,
|
||||
const uint DstXPitch,
|
||||
__global uchar* DstY,
|
||||
const int DstYOffset,
|
||||
const uint DstYPitch,
|
||||
int width,
|
||||
int height,
|
||||
int dstWidth,
|
||||
int dstHeight,
|
||||
float scale
|
||||
)
|
||||
{
|
||||
__local float lsmem[BLK_Y+6][BLK_X+6];
|
||||
|
||||
int lix = get_local_id(0);
|
||||
int liy = get_local_id(1);
|
||||
|
||||
int x = (int)get_global_id(0);
|
||||
int y = (int)get_global_id(1);
|
||||
|
||||
INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 3)
|
||||
barrier(CLK_LOCAL_MEM_FENCE);
|
||||
|
||||
if( x >= dstWidth || y >=dstHeight ) return;
|
||||
|
||||
float tt1 = lsmem[liy][lix];
|
||||
float tt2 = lsmem[liy][lix+1];
|
||||
float tt3 = lsmem[liy][lix+2];
|
||||
float tt4 = lsmem[liy][lix+3];
|
||||
float tt5 = lsmem[liy][lix+4];
|
||||
float tt6 = lsmem[liy][lix+5];
|
||||
float tt7 = lsmem[liy][lix+6];
|
||||
|
||||
float t1 = lsmem[liy+1][lix];
|
||||
float t2 = lsmem[liy+1][lix+1];
|
||||
float t3 = lsmem[liy+1][lix+2];
|
||||
float t4 = lsmem[liy+1][lix+3];
|
||||
float t5 = lsmem[liy+1][lix+4];
|
||||
float t6 = lsmem[liy+1][lix+5];
|
||||
float t7 = lsmem[liy+1][lix+6];
|
||||
|
||||
float u1 = lsmem[liy+2][lix];
|
||||
float u2 = lsmem[liy+2][lix+1];
|
||||
float u3 = lsmem[liy+2][lix+2];
|
||||
float u4 = lsmem[liy+2][lix+3];
|
||||
float u5 = lsmem[liy+2][lix+4];
|
||||
float u6 = lsmem[liy+2][lix+5];
|
||||
float u7 = lsmem[liy+2][lix+6];
|
||||
|
||||
float m1 = lsmem[liy+3][lix];
|
||||
float m2 = lsmem[liy+3][lix+1];
|
||||
float m3 = lsmem[liy+3][lix+2];
|
||||
float m5 = lsmem[liy+3][lix+4];
|
||||
float m6 = lsmem[liy+3][lix+5];
|
||||
float m7 = lsmem[liy+3][lix+6];
|
||||
|
||||
float l1 = lsmem[liy+4][lix];
|
||||
float l2 = lsmem[liy+4][lix+1];
|
||||
float l3 = lsmem[liy+4][lix+2];
|
||||
float l4 = lsmem[liy+4][lix+3];
|
||||
float l5 = lsmem[liy+4][lix+4];
|
||||
float l6 = lsmem[liy+4][lix+5];
|
||||
float l7 = lsmem[liy+4][lix+6];
|
||||
|
||||
float b1 = lsmem[liy+5][lix];
|
||||
float b2 = lsmem[liy+5][lix+1];
|
||||
float b3 = lsmem[liy+5][lix+2];
|
||||
float b4 = lsmem[liy+5][lix+3];
|
||||
float b5 = lsmem[liy+5][lix+4];
|
||||
float b6 = lsmem[liy+5][lix+5];
|
||||
float b7 = lsmem[liy+5][lix+6];
|
||||
|
||||
float bb1 = lsmem[liy+6][lix];
|
||||
float bb2 = lsmem[liy+6][lix+1];
|
||||
float bb3 = lsmem[liy+6][lix+2];
|
||||
float bb4 = lsmem[liy+6][lix+3];
|
||||
float bb5 = lsmem[liy+6][lix+4];
|
||||
float bb6 = lsmem[liy+6][lix+5];
|
||||
float bb7 = lsmem[liy+6][lix+6];
|
||||
|
||||
//calc and store dx and dy
|
||||
DSTX(x,y) = scale *
|
||||
mad(100.0f, m5 - m3,
|
||||
mad(80.0f, m6 - m2,
|
||||
mad(20.0f, m7 - m1,
|
||||
mad(75.0f, u5 - u3 + l5 - l3,
|
||||
mad(60.0f, u6 - u2 + l6 - l2,
|
||||
mad(15.0f, u7 - u1 + l7 - l1,
|
||||
mad(30.0f, t5 - t3 + b5 - b3,
|
||||
mad(24.0f, t6 - t2 + b6 - b2,
|
||||
mad(6.0f, t7 - t1 + b7 - b1,
|
||||
mad(5.0f, tt5 - tt3 + bb5 - bb3,
|
||||
mad(4.0f, tt6 - tt2 + bb6 - bb2, tt7 - tt1 + bb7 - bb1 )
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
|
||||
DSTY(x,y) = scale *
|
||||
mad(100.0f, l4 - u4,
|
||||
mad(80.0f, b4 - t4,
|
||||
mad(20.0f, bb4 - tt4,
|
||||
mad(75.0f, l5 - u5 + l3 - u3,
|
||||
mad(60.0f, b5 - t5 + b3 - t3,
|
||||
mad(15.0f, bb5 - tt5 + bb3 - tt3,
|
||||
mad(30.0f, l6 - u6 + l2 - u2,
|
||||
mad(24.0f, b6 - t6 + b2 - t2,
|
||||
mad(6.0f, bb6 - tt6 + bb2 - tt2,
|
||||
mad(5.0f, l7 - u7 + l1 - u1,
|
||||
mad(4.0f, b7 - t7 + b1 - t1, bb7 - tt7 + bb1 - tt1 )
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user