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o3de/Gems/Atom/RPI/Code/Source/RPI.Public/Shader/ShaderResourceGroupPool.cpp

97 lines
3.8 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Atom/RPI.Public/Shader/ShaderResourceGroupPool.h>
#include <Atom/RHI/Factory.h>
#include <Atom/RHI/RHISystemInterface.h>
#include <AtomCore/Instance/InstanceDatabase.h>
#include <Atom/RPI.Public/Shader/ShaderResourceGroup.h>
namespace AZ
{
namespace RPI
{
Data::Instance<ShaderResourceGroupPool> ShaderResourceGroupPool::FindOrCreate(
const Data::Asset<ShaderAsset>& shaderAsset, const SupervariantIndex& supervariantIndex, const AZ::Name& srgName)
{
auto instanceId = ShaderResourceGroup::MakeInstanceId(shaderAsset, supervariantIndex, srgName);
ShaderResourceGroup::SrgInitParams srgInitParams{ supervariantIndex, srgName };
auto anyArgInitParams = AZStd::any(srgInitParams);
return Data::InstanceDatabase<ShaderResourceGroupPool>::Instance().FindOrCreate(instanceId,
shaderAsset, &anyArgInitParams);
}
Data::Instance<ShaderResourceGroupPool> ShaderResourceGroupPool::CreateInternal(
[[maybe_unused]] ShaderAsset& shaderAsset, const AZStd::any* anySrgInitParams)
{
AZ_Assert(anySrgInitParams, "Invalid SrgInitParams");
auto srgInitParams = AZStd::any_cast<ShaderResourceGroup::SrgInitParams>(*anySrgInitParams);
Data::Instance<ShaderResourceGroupPool> srgPool = aznew ShaderResourceGroupPool();
const RHI::ResultCode resultCode = srgPool->Init(shaderAsset, srgInitParams.m_supervariantIndex, srgInitParams.m_srgName);
if (resultCode != RHI::ResultCode::Success)
{
return nullptr;
}
return srgPool;
}
RHI::ResultCode ShaderResourceGroupPool::Init(
ShaderAsset& shaderAsset, const SupervariantIndex& supervariantIndex, const AZ::Name& srgName)
{
RHI::Ptr<RHI::Device> device = RHI::RHISystemInterface::Get()->GetDevice();
m_pool = RHI::Factory::Get().CreateShaderResourceGroupPool();
if (!m_pool)
{
AZ_Error("ShaderResourceGroupPool", false, "Failed to create RHI::ShaderResourceGroupPool");
return RHI::ResultCode::Fail;
}
RHI::ShaderResourceGroupPoolDescriptor poolDescriptor;
poolDescriptor.m_layout = shaderAsset.FindShaderResourceGroupLayout(srgName, supervariantIndex).get();
m_pool->SetName(AZ::Name(AZStd::string::format("%s_%s",shaderAsset.GetName().GetCStr(),srgName.GetCStr())));
const RHI::ResultCode resultCode = m_pool->Init(*device, poolDescriptor);
return resultCode;
}
RHI::Ptr<RHI::ShaderResourceGroup> ShaderResourceGroupPool::CreateRHIShaderResourceGroup()
{
RHI::Ptr<RHI::ShaderResourceGroup> srg = RHI::Factory::Get().CreateShaderResourceGroup();
AZ_Error("ShaderResourceGroupPool", srg, "Failed to create RHI::ShaderResourceGroup");
if (srg)
{
RHI::ResultCode result = m_pool->InitGroup(*srg);
if (result != RHI::ResultCode::Success)
{
srg.reset();
AZ_Error("ShaderResourceGroupPool", false, "Failed to initialize RHI::ShaderResourceGroup");
}
}
return srg;
}
RHI::ShaderResourceGroupPool* ShaderResourceGroupPool::GetRHIPool()
{
return m_pool.get();
}
const RHI::ShaderResourceGroupPool* ShaderResourceGroupPool::GetRHIPool() const
{
return m_pool.get();
}
}
}