Function LoadMaterialFile

samples/renderer/NtcMaterialLoader.cpp:345–396

}

static bool LoadMaterialFile(donut::engine::FilePathOrInlineData const& source, NtcMaterial& material,
    ntc::IContext* ntcContext, ntc::FileStreamWrapper& ntcFile, ntc::MemoryStreamWrapper& ntcMemory,
    ntc::TextureSetMetadataWrapper& textureSetMetadata)
{
    if (material.name.empty())
        material.name = "Material";
    
    ntc::Status ntcStatus;
    ntc::IStream* stream = nullptr;

    if (source.data)
    {
        ntcStatus = ntcContext->OpenReadOnlyMemory(source.data->buffer->data(), source.data->buffer->size(),
            ntcMemory.ptr());

        if (ntcStatus != ntc::Status::Ok)
        {
            log::warning("Cannot open '%s', error code = %s: %s", source.ToString().c_str(),
                ntc::StatusToString(ntcStatus), ntc::GetLastErrorMessage());
            return false;
        }

        stream = ntcMemory.Get();
    }
    else
    {
        ntcStatus = ntcContext->OpenFile(source.path.c_str(), false, ntcFile.ptr());
        if (ntcStatus == ntc::Status::FileUnavailable)
        {
            log::warning("Material file '%s' does not exist.", source.path.c_str());
            return false;
        }
        else if (ntcStatus != ntc::Status::Ok)
        {
            log::warning("Cannot open '%s', error code = %s: %s", source.path.c_str(),
                ntc::StatusToString(ntcStatus), ntc::GetLastErrorMessage());
            return false;
        }

        stream = ntcFile.Get();
    }

    ntcStatus = ntcContext->CreateTextureSetMetadataFromStream(stream, textureSetMetadata.ptr());
    if (ntcStatus != ntc::Status::Ok)
    {
        log::warning("Cannot load metadata for '%s', error code = %s: %s", source.ToString().c_str(),
            ntc::StatusToString(ntcStatus), ntc::GetLastErrorMessage());
        return false;
    }

    return true;
}

bool NtcMaterialLoader::TranscodeTiles(const std::vector<TranscodeTileInfo>& tiles, nvrhi::ICommandList* commandList,
    bool enableBlockCompression)