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82 lines
2.5 KiB
C++
82 lines
2.5 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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* a third party where indicated.
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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 "Defs.h"
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#if (defined(WIN32) || defined(APPLE) || defined(LINUX) || defined(USE_FEATURE_SPI_INDEXED_CB_BY_DEFAULT))
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#define FEATURE_SPI_INDEXED_CB
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#if defined(DONT_USE_SPI_INDEXED_CB)
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#undef FEATURE_SPI_INDEXED_CB
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#endif
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#endif
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// DirectX 11.0
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#if defined(WIN32) || defined(LINUX) || defined(APPLE) || defined(USE_FEATURE_SPI_INDEXED_CB_BY_DEFAULT)
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#define SPI_NUM_STATIC_INST_CB_DEFAULT (2048 * 64)
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#ifdef FEATURE_SPI_INDEXED_CB
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#define SPI_NUM_INSTS_PER_CB 128 // Must match SPI struct in FXConstantDefs.cfi
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#define SPI_NUM_STATIC_INST_CB (SPI_NUM_STATIC_INST_CB_DEFAULT / SPI_NUM_INSTS_PER_CB)
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#else
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#define SPI_NUM_INSTS_PER_CB 1
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#define SPI_NUM_STATIC_INST_CB SPI_NUM_STATIC_INST_CB_DEFAULT
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#endif // FEATURE_SPI_INDEXED_CB
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// DirectX 11.1 and higher
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#else
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#define SPI_NUM_INSTS_PER_CB 2048
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#define SPI_NUM_STATIC_INST_CB 64
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#endif
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struct SRendItem;
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class IPerInstanceConstantBufferPool
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{
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virtual void SetConstantBuffer(SRendItem* renderItem) = 0;
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};
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class PerInstanceConstantBufferPool : public IPerInstanceConstantBufferPool
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{
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public:
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PerInstanceConstantBufferPool();
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using ConstantUpdateCB = AZStd::function<void(void*)>;
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inline SRendItem* GetCurrentRenderItem()
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{
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return m_CurrentRenderItem;
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}
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void Init();
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void Shutdown();
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void SetConstantBuffer(SRendItem* renderItem);
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void UpdateConstantBuffer(ConstantUpdateCB callback, float realTime);
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void Update(CRenderView& renderView, float realTime);
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private:
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SRendItem* m_CurrentRenderItem;
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AzRHI::ConstantBuffer* m_PooledConstantBuffer[SPI_NUM_STATIC_INST_CB];
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#if defined(FEATURE_SPI_INDEXED_CB)
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AzRHI::ConstantBuffer* m_PooledIndirectConstantBuffer[SPI_NUM_INSTS_PER_CB];
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#endif
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AzRHI::ConstantBuffer* m_UpdateConstantBuffer;
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AzRHI::ConstantBuffer* m_UpdateIndirectConstantBuffer;
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};
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