COMPMID-2225: Add interface support for new quantized data types.

Add support for:
-QSYMM8, 8-bit quantized symmetric
-QSYMM8_PER_CHANNEL, 8-bit quantized symmetric with per channel quantization

Change-Id: I00c4ff98e44af37419470af61419ee95d0de2463
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1236
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/src/core/CL/kernels/CLDirectConvolutionLayerKernel.cpp b/src/core/CL/kernels/CLDirectConvolutionLayerKernel.cpp
index 12affa9880..3e158a52ff 100644
--- a/src/core/CL/kernels/CLDirectConvolutionLayerKernel.cpp
+++ b/src/core/CL/kernels/CLDirectConvolutionLayerKernel.cpp
@@ -452,16 +452,20 @@ void CLDirectConvolutionLayerKernel::configure(const ICLTensor *input, const ICL
     // Set static kernel arguments
     if(is_data_type_quantized_asymmetric(data_type))
     {
+        const UniformQuantizationInfo iqinfo = _input->info()->quantization_info().uniform();
+        const UniformQuantizationInfo wqinfo = _weights->info()->quantization_info().uniform();
+        const UniformQuantizationInfo oqinfo = _output->info()->quantization_info().uniform();
+
         int output_multiplier = 0;
         int output_shift      = 0;
 
-        float multiplier = _input->info()->quantization_info().scale * _weights->info()->quantization_info().scale / _output->info()->quantization_info().scale;
+        float multiplier = iqinfo.scale * wqinfo.scale / oqinfo.scale;
         ARM_COMPUTE_THROW_ON_ERROR(quantization::calculate_quantized_multiplier_less_than_one(multiplier, &output_multiplier, &output_shift));
 
         unsigned int idx = 3 * num_arguments_per_3D_tensor() + ((_biases != nullptr) ? num_arguments_per_1D_tensor() : 0) + 1;
-        _kernel.setArg(idx++, -_input->info()->quantization_info().offset);
-        _kernel.setArg(idx++, -_weights->info()->quantization_info().offset);
-        _kernel.setArg(idx++, _output->info()->quantization_info().offset);
+        _kernel.setArg(idx++, -iqinfo.offset);
+        _kernel.setArg(idx++, -wqinfo.offset);
+        _kernel.setArg(idx++, oqinfo.offset);
         _kernel.setArg(idx++, output_multiplier);
         _kernel.setArg(idx++, output_shift);
     }