Method ViewD3D12State

qrenderdoc/Windows/DescriptorViewer.cpp:1422–1508

}

void DescriptorViewer::ViewD3D12State()
{
  m_D3D12Heaps = m_Ctx.CurD3D12PipelineState()->descriptorHeaps;
  m_D3D12RootSig = m_Ctx.CurD3D12PipelineState()->rootSignature;

  setWindowTitle(
      tr("%1 at EID %2").arg(m_Ctx.GetResourceName(m_D3D12RootSig.resourceId)).arg(m_Ctx.CurEvent()));

  ui->pipeLabel->setText(
      tr("The pipeline state viewer shows the current bindings in an easier format.\n"
         "This is a snapshot of the root signature & bound parameters at EID %1.")
          .arg(m_Ctx.CurEvent()));

  // fetch the descriptor contents for both heaps

  m_Ctx.Replay().AsyncInvoke([this](IReplayController *r) {
    ResourceId resourceHeap, samplerHeap;

    for(const D3D12Pipe::RootParam &param : m_D3D12RootSig.parameters)
    {
      for(const D3D12Pipe::RootTableRange &range : param.tableRanges)
      {
        if(range.category == DescriptorCategory::Sampler)
        {
          if(param.heap != ResourceId())
            samplerHeap = param.heap;
        }
        else
        {
          if(param.heap != ResourceId())
            resourceHeap = param.heap;
        }

        if(resourceHeap != ResourceId() && samplerHeap != ResourceId())
          break;
      }

      if(resourceHeap != ResourceId() && samplerHeap != ResourceId())
        break;
    }

    rdcarray<DescriptorRange> ranges;
    ranges.resize(1);

    rdcarray<Descriptor> descriptors;
    rdcarray<SamplerDescriptor> samplerDescriptors;

    if(resourceHeap != ResourceId())
    {
      DescriptorStoreDescription *resourceDesc = m_Ctx.GetDescriptorStore(resourceHeap);

      if(resourceDesc)
      {
        ranges[0].count = resourceDesc->descriptorCount;
        ranges[0].descriptorSize = resourceDesc->descriptorByteSize;
        ranges[0].offset = resourceDesc->firstDescriptorOffset;
        // we are interpreting typeless descriptors, assume D3D12 can interpret it
        ranges[0].type = DescriptorType::Unknown;