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57 lines
1.8 KiB
C++
57 lines
1.8 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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#include "RenderDll_precompiled.h"
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#include "DX12DescriptorHeap.hpp"
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namespace DX12
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{
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DescriptorHeap::DescriptorHeap(Device* device)
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: DeviceObject(device)
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{
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}
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DescriptorHeap::~DescriptorHeap()
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{
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}
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bool DescriptorHeap::Init(const D3D12_DESCRIPTOR_HEAP_DESC& desc)
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{
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if (!IsInitialized())
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{
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ID3D12DescriptorHeap* heap;
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GetDevice()->GetD3D12Device()->CreateDescriptorHeap(&desc, IID_GRAPHICS_PPV_ARGS(&heap));
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m_pDescriptorHeap = heap;
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heap->Release();
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m_Desc12 = m_pDescriptorHeap->GetDesc();
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m_HeapStartCPU = m_pDescriptorHeap->GetCPUDescriptorHandleForHeapStart();
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m_HeapStartGPU = m_pDescriptorHeap->GetGPUDescriptorHandleForHeapStart();
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m_DescSize = GetDevice()->GetD3D12Device()->GetDescriptorHandleIncrementSize(m_Desc12.Type);
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IsInitialized(true);
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}
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Reset();
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return true;
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}
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DescriptorBlock::DescriptorBlock(const SDescriptorBlock& block)
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{
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m_pDescriptorHeap = reinterpret_cast<DescriptorHeap*>(block.pBuffer);
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m_BlockStart = block.offset;
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m_Capacity = block.size;
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m_Cursor = 0;
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}
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}
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