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Attempt to improve performance

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This commit is contained in:
Alexander Karsakov 2014-04-07 10:36:13 +04:00
parent c747426fc1
commit a66db67b83
2 changed files with 8 additions and 9 deletions
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10
modules/imgproc/src/filter.cpp
View File

@ -3413,15 +3413,15 @@ static bool ocl_sepFilter2D_SinglePass(InputArray _src, OutputArray _dst,
String opts = cv::format("-D BLK_X=%d -D BLK_Y=%d -D RADIUSX=%d -D RADIUSY=%d%s%s"
" -D srcT=%s -D convertToWT=%s -D WT=%s -D dstT=%s -D convertToDstT=%s"
" -D %s -D srcT1=%s -D dstT1=%s -D CN=%d -D SHIFT_BITS=%d%s",
" -D %s -D srcT1=%s -D dstT1=%s -D WT1=%s -D CN=%d -D SHIFT_BITS=%d%s",
(int)lt2[0], (int)lt2[1], row_kernel.cols / 2, col_kernel.cols / 2,
ocl::kernelToStr(row_kernel, wdepth, "KERNEL_MATRIX_X").c_str(),
ocl::kernelToStr(col_kernel, wdepth, "KERNEL_MATRIX_Y").c_str(),
ocl::typeToStr(stype), ocl::convertTypeStr(sdepth, wdepth, cn, cvt[0]),
ocl::typeToStr(CV_MAKE_TYPE(wdepth, cn)), ocl::typeToStr(dtype),
ocl::convertTypeStr(wdepth, ddepth, cn, cvt[1]), borderMap[borderType],
ocl::typeToStr(sdepth), ocl::typeToStr(ddepth), cn, 2*shift_bits,
int_arithm ? " -D INTEGER_ARITHMETIC" : "");
ocl::typeToStr(sdepth), ocl::typeToStr(ddepth), ocl::typeToStr(wdepth),
cn, 2*shift_bits, int_arithm ? " -D INTEGER_ARITHMETIC" : "");
ocl::Kernel k("sep_filter", ocl::imgproc::filterSep_singlePass_oclsrc, opts);
if (k.empty())
@ -3481,8 +3481,8 @@ static bool ocl_sepFilter2D( InputArray _src, OutputArray _dst, int ddepth,
ctype == KERNEL_SMOOTH+KERNEL_SYMMETRICAL)
{
bdepth = CV_32S;
kernelX.convertTo( kernelX, CV_32S, 1 << shift_bits );
kernelY.convertTo( kernelY, CV_32S, 1 << shift_bits );
kernelX.convertTo( kernelX, bdepth, 1 << shift_bits );
kernelY.convertTo( kernelY, bdepth, 1 << shift_bits );
int_arithm = true;
}

7
modules/imgproc/src/opencl/filterSep_singlePass.cl
View File

@ -100,8 +100,8 @@
// horizontal and vertical filter kernels
// should be defined on host during compile time to avoid overhead
#define DIG(a) a,
__constant WT mat_kernelX[] = { KERNEL_MATRIX_X };
__constant WT mat_kernelY[] = { KERNEL_MATRIX_Y };
__constant WT1 mat_kernelX[] = { KERNEL_MATRIX_X };
__constant WT1 mat_kernelY[] = { KERNEL_MATRIX_Y };
__kernel void sep_filter(__global uchar* Src, int src_step, int srcOffsetX, int srcOffsetY, int height, int width,
__global uchar* Dst, int dst_step, int dst_offset, int dst_rows, int dst_cols, float delta)
@ -124,8 +124,6 @@ __kernel void sep_filter(__global uchar* Src, int src_step, int srcOffsetX, int
// calculate pixel position in source image taking image offset into account
int srcX = x + srcOffsetX - RADIUSX;
int srcY = y + srcOffsetY - RADIUSY;
int xb = srcX;
int yb = srcY;
// extrapolate coordinates, if needed
// and read my own source pixel into local memory
@ -191,6 +189,7 @@ __kernel void sep_filter(__global uchar* Src, int src_step, int srcOffsetX, int
sum = (sum + (1 << (SHIFT_BITS-1))) >> SHIFT_BITS;
#endif
// store result into destination image
storepix(convertToDstT(sum + (WT)(delta)), Dst + mad24(y, dst_step, mad24(x, DSTSIZE, dst_offset)));
}