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/* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited. */
// Make the DXGI_DEBUG_D3D12 symbol defined in this compilation unit, to avoid link problems
#define INITGUID
#include "NvCoDx12HelperUtil.h"
namespace nvidia {
namespace Common {
void Dx12HelperUtil::calcSrvDesc(ID3D12Resource* resource, DXGI_FORMAT pixelFormat, D3D12_SHADER_RESOURCE_VIEW_DESC& descOut)
{
// Get the desc
return calcSrvDesc(resource->GetDesc(), pixelFormat, descOut);
}
void Dx12HelperUtil::calcSrvDesc(const D3D12_RESOURCE_DESC& desc, DXGI_FORMAT pixelFormat, D3D12_SHADER_RESOURCE_VIEW_DESC& descOut)
{
// create SRV
descOut = D3D12_SHADER_RESOURCE_VIEW_DESC();
descOut.Format = (pixelFormat == DXGI_FORMAT_UNKNOWN) ? DxFormatUtil::calcFormat(DxFormatUtil::USAGE_SRV, desc.Format) : pixelFormat;
descOut.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
if (desc.DepthOrArraySize == 1)
{
descOut.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
descOut.Texture2D.MipLevels = desc.MipLevels;
descOut.Texture2D.MostDetailedMip = 0;
descOut.Texture2D.PlaneSlice = 0;
descOut.Texture2D.ResourceMinLODClamp = 0.0f;
}
else if (desc.DepthOrArraySize == 6)
{
descOut.ViewDimension = D3D12_SRV_DIMENSION_TEXTURECUBE;
descOut.TextureCube.MipLevels = desc.MipLevels;
descOut.TextureCube.MostDetailedMip = 0;
descOut.TextureCube.ResourceMinLODClamp = 0;
}
else
{
descOut.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2DARRAY;
descOut.Texture2DArray.ArraySize = desc.DepthOrArraySize;
descOut.Texture2DArray.MostDetailedMip = 0;
descOut.Texture2DArray.MipLevels = desc.MipLevels;
descOut.Texture2DArray.FirstArraySlice = 0;
descOut.Texture2DArray.PlaneSlice = 0;
descOut.Texture2DArray.ResourceMinLODClamp = 0;
}
}
/* static */void Dx12HelperUtil::reportLiveObjects()
{
IDXGIDebug* dxgiDebug;
int res = DxDebugUtil::getDebugInterface(&dxgiDebug);
if (NV_FAILED(res) || !dxgiDebug)
{
printf("Unable to access debug interface -> can't report live objects");
return;
}
dxgiDebug->ReportLiveObjects(DXGI_DEBUG_D3D12, DXGI_DEBUG_RLO_DETAIL);
}
/* static */int Dx12HelperUtil::serializeRootSigniture(const D3D12_ROOT_SIGNATURE_DESC& desc, D3D_ROOT_SIGNATURE_VERSION signitureVersion, ComPtr<ID3DBlob>& sigBlobOut)
{
ComPtr<ID3DBlob> error;
int res = D3D12SerializeRootSignature(&desc, signitureVersion, &sigBlobOut, &error);
if (NV_SUCCEEDED(res))
{
return res;
}
char* errorText = (char*)error->GetBufferPointer();
printf("Unable to serialize Dx12 signature: %s\n", errorText);
return res;
}
} // namespace Common
} // namespace nvidia
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