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Minor fixes for CL_UNORM_SHORT_565, CL_UNORM_SHORT_555 (#1129)

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* Minor fixes for CL_UNORM_SHORT_565, CL_UNORM_SHORT_555

* Fix verification for undefined bit
* Relax current infinitely precision requirement for these formats
  and move check in common function.
* Add proper debug output.

Signed-off-by: John Kesapides <john.kesapides@arm.com>

* Minor Formating fix.

Signed-off-by: John Kesapides <john.kesapides@arm.com>
This commit is contained in:
John Kesapides
2021-06-11 09:44:16 +01:00
committed by GitHub
parent 277d029608
commit 80a4a833be
7 changed files with 339 additions and 76 deletions
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37
test_conformance/images/kernel_read_write/test_common.cpp
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@@ -1543,4 +1543,39 @@ int test_read_image(cl_context context, cl_command_queue queue,
}
return numTries != MAX_TRIES || numClamped != MAX_CLAMPED;
}
}
void filter_undefined_bits(image_descriptor *imageInfo, char *resultPtr)
{
// mask off the top bit (bit 15) if the image format is (CL_UNORM_SHORT_555,
// CL_RGB). (Note: OpenCL says: the top bit is undefined meaning it can be
// either 0 or 1.)
if (imageInfo->format->image_channel_data_type == CL_UNORM_SHORT_555)
{
cl_ushort *temp = (cl_ushort *)resultPtr;
temp[0] &= 0x7fff;
}
}
int filter_rounding_errors(int forceCorrectlyRoundedWrites,
image_descriptor *imageInfo, float *errors)
{
// We are allowed 0.6 absolute error vs. infinitely precise for some
// normalized formats
if (0 == forceCorrectlyRoundedWrites
&& (imageInfo->format->image_channel_data_type == CL_UNORM_INT8
|| imageInfo->format->image_channel_data_type == CL_UNORM_INT_101010
|| imageInfo->format->image_channel_data_type == CL_UNORM_INT16
|| imageInfo->format->image_channel_data_type == CL_SNORM_INT8
|| imageInfo->format->image_channel_data_type == CL_SNORM_INT16
|| imageInfo->format->image_channel_data_type == CL_UNORM_SHORT_555
|| imageInfo->format->image_channel_data_type
== CL_UNORM_SHORT_565))
{
if (!(fabsf(errors[0]) > 0.6f) && !(fabsf(errors[1]) > 0.6f)
&& !(fabsf(errors[2]) > 0.6f) && !(fabsf(errors[3]) > 0.6f))
return 0;
}
return 1;
}