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73 lines
2.6 KiB
C++
73 lines
2.6 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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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#pragma once
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#include "DeviceManager/DeviceWrapper12.h"
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class GraphicsPipelinePass;
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struct SGraphicsPipelineStateDescription
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{
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SShaderItem shaderItem;
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EShaderTechniqueID technique;
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uint64 objectFlags;
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uint64 objectRuntimeMask;
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uint32 objectFlags_MDV;
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AZ::Vertex::Format vertexFormat;
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uint32 streamMask;
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int primitiveType;
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SGraphicsPipelineStateDescription()
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: technique(TTYPE_Z)
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, objectFlags(0)
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, objectFlags_MDV(0)
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, objectRuntimeMask(0)
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, vertexFormat(eVF_Unknown)
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, streamMask(0)
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, primitiveType(0)
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{};
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SGraphicsPipelineStateDescription(CRenderObject* pObj, const SShaderItem& shaderItem, EShaderTechniqueID technique, AZ::Vertex::Format vertexFormat, uint32 streamMask, int primitiveType);
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bool operator==(const SGraphicsPipelineStateDescription& other) const
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{
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return 0 == memcmp(this, &other, sizeof(*this));
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}
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};
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// Array of pass id and PipelineState
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typedef std::array<CDeviceGraphicsPSOPtr, 4> DevicePipelineStatesArray;
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// Set of precomputed Pipeline States
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class CGraphicsPipelineStateLocalCache
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{
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public:
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const DevicePipelineStatesArray* Find(const SGraphicsPipelineStateDescription& desc) const;
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void Put(const SGraphicsPipelineStateDescription& desc, const DevicePipelineStatesArray& states);
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private:
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CDeviceGraphicsPSOPtr FindState(uint64 stateHashKey) const;
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void StoreState(uint64 stateHashKey, CDeviceGraphicsPSOPtr pso) const;
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uint64 GetHashKey(const SGraphicsPipelineStateDescription& desc) const;
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private:
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struct CachedState
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{
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uint64 stateHashKey;
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SGraphicsPipelineStateDescription description;
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CDeviceGraphicsPSOPtr m_pipelineState;
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DevicePipelineStatesArray m_pipelineStates;
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};
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std::vector<CachedState> m_states;
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};
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typedef std::shared_ptr<CGraphicsPipelineStateLocalCache> CGraphicsPipelineStateLocalCachePtr;
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