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61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <Atom/RPI.Reflect/Shader/ShaderAssetVariantCreator.h>
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#include <AzCore/Utils/TypeHash.h>
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namespace AZ
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{
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namespace RPI
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{
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ShaderAssetVariantCreator::ShaderAssetVariantCreator(ShaderVariantId id)
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{
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m_variant.m_shaderVariantId = AZStd::move(id);
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}
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ShaderAssetVariant ShaderAssetVariantCreator::End()
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{
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const uint8_t* functionIdData = reinterpret_cast<const uint8_t*>(m_variant.m_functionIdsByStage.data());
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const size_t functionIdDataSize = m_variant.m_functionIdsByStage.size() * sizeof(RHI::ShaderStageFunctionId);
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HashValue64 hash = HashValue64{ 0 };
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hash = TypeHash64(functionIdData, functionIdDataSize, hash);
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hash = TypeHash64(m_variant.m_inputContract.GetHash(), hash);
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hash = TypeHash64(m_variant.m_outputContract.GetHash(), hash);
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hash = m_variant.m_renderStates.GetHash(hash);
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m_variant.m_hash = hash;
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return m_variant;
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}
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void ShaderAssetVariantCreator::SetShaderFunctionId(RHI::ShaderStage shaderStage, RHI::ShaderStageFunctionId functionId)
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{
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m_variant.m_functionIdsByStage[static_cast<size_t>(shaderStage)] = functionId;
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}
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void ShaderAssetVariantCreator::SetInputContract(const ShaderInputContract& contract)
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{
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m_variant.m_inputContract = contract;
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}
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void ShaderAssetVariantCreator::SetOutputContract(const ShaderOutputContract& contract)
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{
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m_variant.m_outputContract = contract;
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}
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void ShaderAssetVariantCreator::SetRenderStates(const RHI::RenderStates& renderStates)
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{
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m_variant.m_renderStates = renderStates;
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}
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} // namespace RPI
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} // namespace AZ
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