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Added DFT_SCALE for forward transforms

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This commit is contained in:
Alexander Karsakov
2014-07-17 16:20:04 +04:00
parent 6c8b6bd0c7
commit b17bf031f6
4 changed files with 48 additions and 85 deletions
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13
modules/core/src/dxt.cpp
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@@ -2151,27 +2151,34 @@ struct OCL_FftPlan
size_t localsize[2];
String kernel_name;
bool is1d = (flags & DFT_ROWS) != 0 || dft_size == 1;
String options = buildOptions;
if (rows)
{
globalsize[0] = thread_count; globalsize[1] = dft_size;
localsize[0] = thread_count; localsize[1] = 1;
kernel_name = "fft_multi_radix_rows";
if (is1d && (flags & DFT_SCALE))
options += " -D DFT_SCALE";
}
else
{
globalsize[0] = dft_size; globalsize[1] = thread_count;
localsize[0] = 1; localsize[1] = thread_count;
kernel_name = "fft_multi_radix_cols";
if (flags & DFT_SCALE)
options += " -D DFT_SCALE";
}
bool is1d = (flags & DFT_ROWS) != 0 || dft_size == 1;
String options = buildOptions;
if (src.channels() == 1)
options += " -D REAL_INPUT";
if (dst.channels() == 1)
options += " -D CCS_OUTPUT";
if ((is1d && src.channels() == 1) || (rows && (flags & DFT_REAL_OUTPUT)))
options += " -D NO_CONJUGATE";
if (is1d)
options += " -D IS_1D";
ocl::Kernel k(kernel_name.c_str(), ocl::core::fft_oclsrc, options);
if (k.empty())