Method DX11InputLayout

GTE/Graphics/DX11/DX11InputLayout.cpp:17–49

}

DX11InputLayout::DX11InputLayout(ID3D11Device* device,
    VertexBuffer const* vbuffer, Shader const* vshader)
    :
    mLayout(nullptr),
    mNumElements(0)
{
    LogAssert(vbuffer != nullptr && vshader != nullptr, "Invalid inputs.");

    std::memset(&mElements[0], 0, VAConstant::MAX_ATTRIBUTES*sizeof(mElements[0]));

    VertexFormat const& format = vbuffer->GetFormat();
    mNumElements = format.GetNumAttributes();
    for (int32_t i = 0; i < mNumElements; ++i)
    {
        VASemantic semantic{};
        DFType type{};
        uint32_t unit{}, offset{};
        format.GetAttribute(i, semantic, type, unit, offset);

        D3D11_INPUT_ELEMENT_DESC& element = mElements[i];
        element.SemanticName = msSemantic[semantic];
        element.SemanticIndex = unit;
        element.Format = static_cast<DXGI_FORMAT>(type);
        element.InputSlot = 0;  // TODO: Streams not yet supported.
        element.AlignedByteOffset = offset;
        element.InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
        element.InstanceDataStepRate = 0;
    }

    auto const& compiledCode = vshader->GetCompiledCode();
    DX11Log(device->CreateInputLayout(mElements, (UINT)mNumElements,
        &compiledCode[0], compiledCode.size(), &mLayout));
}

void DX11InputLayout::Enable(ID3D11DeviceContext* context)
{