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OpenCL: core support for FP16, more channel orders

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* Support cl_image conversion for CL_HALF_FLOAT (float16)

* Support cl_image conversion for additional channel orders:
  CL_A, CL_INTENSITY, CL_LUMINANCE, CL_RG, CL_RA

* Comment on why cl_image conversion is unsupported for CL_RGB

* Predict optimal vector width for float16

* ocl::kernelToStr: support float16

* ocl::Device::halfFPConfig: drop artificial requirement for OpenCL
  version >= 1.2. Even OpenCL 1.0 supports the underlying config
  property, CL_DEVICE_HALF_FP_CONFIG.

* dumpOpenCLInformation: provide info on OpenCL half-float support
  and preferred half-float vector width

* randu: support default range [-1.0, 1.0] for float16

* TestBase::warmup: support float16
This commit is contained in:
Joe Howse
2021-06-21 00:46:32 -03:00
parent 735a79ae83
commit 6a3d925a47
4 changed files with 44 additions and 12 deletions
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modules/ts/src/ts_perf.cpp
+1 -1
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@@ -1297,7 +1297,7 @@ void TestBase::warmup(cv::InputOutputArray a, WarmUpType wtype)
cv::randu(a, -128, 128);
else if (depth == CV_16U)
cv::randu(a, 0, 1024);
else if (depth == CV_32F || depth == CV_64F)
else if (depth == CV_32F || depth == CV_64F || depth == CV_16F)
cv::randu(a, -1.0, 1.0);
else if (depth == CV_16S || depth == CV_32S)
cv::randu(a, -4096, 4096);