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//
// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "GpuFsaBackend.hpp"
#include "GpuFsaBackendId.hpp"
#include "GpuFsaWorkloadFactory.hpp"
#include "GpuFsaLayerSupport.hpp"
#include "GpuFsaTensorHandleFactory.hpp"
#include <armnn/BackendRegistry.hpp>
#include <armnn/backends/IBackendContext.hpp>
#include <armnn/backends/IMemoryManager.hpp>
#include <armnn/utility/PolymorphicDowncast.hpp>
#include <backendsCommon/DefaultAllocator.hpp>
#include <backendsCommon/SubgraphUtils.hpp>
#include <Optimizer.hpp>
namespace armnn
{
const BackendId& GpuFsaBackend::GetIdStatic()
{
static const BackendId s_Id{GpuFsaBackendId()};
return s_Id;
}
IBackendInternal::IWorkloadFactoryPtr GpuFsaBackend::CreateWorkloadFactory(
const IBackendInternal::IMemoryManagerSharedPtr& memoryManager) const
{
return std::make_unique<GpuFsaWorkloadFactory>(PolymorphicPointerDowncast<GpuFsaMemoryManager>(memoryManager));
}
IBackendInternal::IWorkloadFactoryPtr GpuFsaBackend::CreateWorkloadFactory(
class TensorHandleFactoryRegistry& tensorHandleFactoryRegistry) const
{
auto memoryManager = std::make_shared<GpuFsaMemoryManager>();
tensorHandleFactoryRegistry.RegisterMemoryManager(memoryManager);
auto factory = std::make_unique<GpuFsaTensorHandleFactory>(memoryManager);
// Register copy and import factory pair
tensorHandleFactoryRegistry.RegisterCopyAndImportFactoryPair(factory->GetId(), factory->GetId());
// Register the factory
tensorHandleFactoryRegistry.RegisterFactory(std::move(factory));
return std::make_unique<GpuFsaWorkloadFactory>(PolymorphicPointerDowncast<GpuFsaMemoryManager>(memoryManager));
}
IBackendInternal::IBackendContextPtr GpuFsaBackend::CreateBackendContext(const IRuntime::CreationOptions&) const
{
return IBackendContextPtr{};
}
IBackendInternal::IBackendProfilingContextPtr GpuFsaBackend::CreateBackendProfilingContext(
const IRuntime::CreationOptions&, IBackendProfilingPtr&)
{
return IBackendProfilingContextPtr{};
}
IBackendInternal::IMemoryManagerUniquePtr GpuFsaBackend::CreateMemoryManager() const
{
return std::make_unique<GpuFsaMemoryManager>();
}
IBackendInternal::ILayerSupportSharedPtr GpuFsaBackend::GetLayerSupport() const
{
static ILayerSupportSharedPtr layerSupport{new GpuFsaLayerSupport};
return layerSupport;
}
OptimizationViews GpuFsaBackend::OptimizeSubgraphView(const SubgraphView& subgraph,
const ModelOptions& modelOptions) const
{
OptimizationViews optimizationViews(modelOptions);
optimizationViews.AddUntouchedSubgraph(SubgraphView(subgraph));
return optimizationViews;
}
std::vector<ITensorHandleFactory::FactoryId> GpuFsaBackend::GetHandleFactoryPreferences() const
{
return std::vector<ITensorHandleFactory::FactoryId> { GpuFsaTensorHandleFactory::GetIdStatic() };
}
void GpuFsaBackend::RegisterTensorHandleFactories(class TensorHandleFactoryRegistry& registry)
{
auto memoryManager = std::make_shared<GpuFsaMemoryManager>();
registry.RegisterMemoryManager(memoryManager);
auto factory = std::make_unique<GpuFsaTensorHandleFactory>(memoryManager);
// Register copy and import factory pair
registry.RegisterCopyAndImportFactoryPair(factory->GetId(), factory->GetId());
// Register the factory
registry.RegisterFactory(std::move(factory));
}
std::unique_ptr<ICustomAllocator> GpuFsaBackend::GetDefaultAllocator() const
{
return std::make_unique<DefaultAllocator>();
}
} // namespace armnn
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