HRESULT CreateD3DResources()

in Src/XboxDDSTextureLoader.cpp [209:413]
185 lines of code
27 McCabe index (conditional complexity)

    HRESULT CreateD3DResources(_In_ ID3D11DeviceX* d3dDevice,
        _In_ const DDS_HEADER_XBOX* xboxext,
        _In_ uint32_t width,
        _In_ uint32_t height,
        _In_ uint32_t depth,
        _In_ uint32_t mipCount,
        _In_ uint32_t arraySize,
        _In_ bool forceSRGB,
        _In_ bool isCubeMap,
        _In_ void* grfxMemory,
        _Outptr_opt_ ID3D11Resource** texture,
        _Outptr_opt_ ID3D11ShaderResourceView** textureView) noexcept
    {
        if (!d3dDevice || !grfxMemory)
            return E_POINTER;

        HRESULT hr = E_FAIL;

        DXGI_FORMAT format = xboxext->dxgiFormat;
        if (forceSRGB)
        {
            format = MakeSRGB(format);
        }

        switch (xboxext->resourceDimension)
        {
        case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
        {
            D3D11_TEXTURE1D_DESC desc = {};
            desc.Width = static_cast<UINT>(width);
            desc.MipLevels = static_cast<UINT>(mipCount);
            desc.ArraySize = static_cast<UINT>(arraySize);
            desc.Format = format;
            desc.Usage = D3D11_USAGE_DEFAULT;
            desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;

            ID3D11Texture1D* tex = nullptr;
            hr = d3dDevice->CreatePlacementTexture1D(&desc, xboxext->tileMode, 0, grfxMemory, &tex);
            if (SUCCEEDED(hr) && tex != 0)
            {
                if (textureView != 0)
                {
                    D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
                    SRVDesc.Format = format;

                    if (arraySize > 1)
                    {
                        SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1DARRAY;
                        SRVDesc.Texture1DArray.MipLevels = desc.MipLevels;
                        SRVDesc.Texture1DArray.ArraySize = static_cast<UINT>(arraySize);
                    }
                    else
                    {
                        SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1D;
                        SRVDesc.Texture1D.MipLevels = desc.MipLevels;
                    }

                    hr = d3dDevice->CreateShaderResourceView(tex,
                        &SRVDesc,
                        textureView
                    );
                    if (FAILED(hr))
                    {
                        tex->Release();
                        return hr;
                    }
                }

                if (texture != 0)
                {
                    *texture = tex;
                }
                else
                {
                    SetDebugObjectName(tex, "XboxDDSTextureLoader");
                    tex->Release();
                }
            }
        }
        break;

        case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
        {
            D3D11_TEXTURE2D_DESC desc = {};
            desc.Width = static_cast<UINT>(width);
            desc.Height = static_cast<UINT>(height);
            desc.MipLevels = static_cast<UINT>(mipCount);
            desc.ArraySize = static_cast<UINT>(arraySize);
            desc.Format = format;
            desc.SampleDesc.Count = 1;
            desc.Usage = D3D11_USAGE_DEFAULT;
            desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
            desc.MiscFlags = (isCubeMap) ? D3D11_RESOURCE_MISC_TEXTURECUBE : 0;

            ID3D11Texture2D* tex = nullptr;
            hr = d3dDevice->CreatePlacementTexture2D(&desc, xboxext->tileMode, 0, grfxMemory, &tex);
            if (SUCCEEDED(hr) && tex != 0)
            {
                if (textureView != 0)
                {
                    D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
                    SRVDesc.Format = format;

                    if (isCubeMap)
                    {
                        if (arraySize > 6)
                        {
                            SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBEARRAY;
                            SRVDesc.TextureCubeArray.MipLevels = desc.MipLevels;

                            // Earlier we set arraySize to (NumCubes * 6)
                            SRVDesc.TextureCubeArray.NumCubes = static_cast<UINT>(arraySize / 6);
                        }
                        else
                        {
                            SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
                            SRVDesc.TextureCube.MipLevels = desc.MipLevels;
                        }
                    }
                    else if (arraySize > 1)
                    {
                        SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
                        SRVDesc.Texture2DArray.MipLevels = desc.MipLevels;
                        SRVDesc.Texture2DArray.ArraySize = static_cast<UINT>(arraySize);
                    }
                    else
                    {
                        SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
                        SRVDesc.Texture2D.MipLevels = desc.MipLevels;
                    }

                    hr = d3dDevice->CreateShaderResourceView(tex,
                        &SRVDesc,
                        textureView
                    );
                    if (FAILED(hr))
                    {
                        tex->Release();
                        return hr;
                    }
                }

                if (texture != 0)
                {
                    *texture = tex;
                }
                else
                {
                    SetDebugObjectName(tex, "XboxDDSTextureLoader");
                    tex->Release();
                }
            }
        }
        break;

        case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
        {
            D3D11_TEXTURE3D_DESC desc = {};
            desc.Width = static_cast<UINT>(width);
            desc.Height = static_cast<UINT>(height);
            desc.Depth = static_cast<UINT>(depth);
            desc.MipLevels = static_cast<UINT>(mipCount);
            desc.Format = format;
            desc.Usage = D3D11_USAGE_DEFAULT;
            desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;

            ID3D11Texture3D* tex = nullptr;
            hr = d3dDevice->CreatePlacementTexture3D(&desc, xboxext->tileMode, 0, grfxMemory, &tex);
            if (SUCCEEDED(hr) && tex != 0)
            {
                if (textureView != 0)
                {
                    D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
                    SRVDesc.Format = format;

                    SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D;
                    SRVDesc.Texture3D.MipLevels = desc.MipLevels;

                    hr = d3dDevice->CreateShaderResourceView(tex,
                        &SRVDesc,
                        textureView
                    );
                    if (FAILED(hr))
                    {
                        tex->Release();
                        return hr;
                    }
                }

                if (texture != 0)
                {
                    *texture = tex;
                }
                else
                {
                    SetDebugObjectName(tex, "XboxDDSTextureLoader");
                    tex->Release();
                }
            }
        }
        break;
        }

        return hr;
    }