From 1cb29aa8471f4bf78f53d5cbf0b9dee7fa6b0615 Mon Sep 17 00:00:00 2001
From: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
Date: Thu, 11 Jul 2019 17:27:37 +0100
Subject: IVGCVSW-3305 Support Minimum in HAL1.2 Driver

 * Adds conversion method to HAL1.2 Policy

Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
Change-Id: Ib282f32b2f5e899f1fb085bf615df5f984b6fd34
---
 1.2/HalPolicy.cpp | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to '1.2/HalPolicy.cpp')

diff --git a/1.2/HalPolicy.cpp b/1.2/HalPolicy.cpp
index 5b501dbc..7a52fcc4 100644
--- a/1.2/HalPolicy.cpp
+++ b/1.2/HalPolicy.cpp
@@ -144,6 +144,8 @@ bool HalPolicy::ConvertOperation(const Operation& operation, const Model& model,
             return ConvertDepthwiseConv2d(operation, model, data);
         case V1_2::OperationType::MAXIMUM:
             return ConvertMaximum(operation, model, data);
+        case V1_2::OperationType::MINIMUM:
+            return ConvertMinimum(operation, model, data);
         case V1_2::OperationType::PAD_V2:
             return ConvertPadV2(operation, model, data);
         case V1_2::OperationType::PRELU:
@@ -551,6 +553,56 @@ bool HalPolicy::ConvertMaximum(const Operation& operation, const Model& model, C
                                                             armnn::Optional<armnn::TensorInfo>(outInfo));
 }
 
+bool HalPolicy::ConvertMinimum(const Operation& operation, const Model& model, ConversionData& data)
+{
+    LayerInputHandle input0 = ConvertToLayerInputHandle<hal_1_2::HalPolicy>(operation, 0, model, data);
+    LayerInputHandle input1 = ConvertToLayerInputHandle<hal_1_2::HalPolicy>(operation, 1, model, data);
+
+    if (!input0.IsValid() || !input1.IsValid())
+    {
+        return Fail("%s: Operation has invalid inputs", __func__);
+    }
+
+    const Operand* output = GetOutputOperand<hal_1_2::HalPolicy>(operation, 0, model);
+    if (!output)
+    {
+        return Fail("%s: Could not read output 0", __func__);
+    }
+
+    armnn::TensorInfo outputInfo = GetTensorInfoForOperand(*output);
+    if (IsDynamicOutput(outputInfo))
+    {
+        ALOGD("Output shape not set, will infer from inputs");
+        outputInfo.SetShape(InferMinimumOutputShape(input0.GetTensorInfo().GetShape(),
+                                                    input1.GetTensorInfo().GetShape()));
+    }
+
+    bool isSupported = false;
+    FORWARD_LAYER_SUPPORT_FUNC(__func__,
+                               IsMinimumSupported,
+                               data.m_Backends,
+                               isSupported,
+                               input0.GetTensorInfo(),
+                               input1.GetTensorInfo(),
+                               outputInfo);
+
+    if (!isSupported)
+    {
+        return false;
+    }
+
+    armnn::IConnectableLayer* const layer = data.m_Network->AddMinimumLayer();
+    assert(layer != nullptr);
+    BroadcastTensor(input0, input1, layer, *data.m_Network);
+
+    return SetupAndTrackLayerOutputSlot<hal_1_2::HalPolicy>(operation,
+                                                            0,
+                                                            *layer,
+                                                            model,
+                                                            data,
+                                                            armnn::Optional<armnn::TensorInfo>(outputInfo));
+}
+
 bool HalPolicy::ConvertPadV2(const Operation& operation, const Model& model, ConversionData& data)
 {
     LayerInputHandle input = ConvertToLayerInputHandle<hal_1_2::HalPolicy>(operation, 0, model, data);
-- 
cgit v1.2.1