Method ShowPixelHistory

qrenderdoc/Windows/TextureViewer.cpp:4169–4215

}

void TextureViewer::ShowPixelHistory(bool failedDebug)
{
  TextureDescription *texptr = GetCurrentTexture();

  if(!texptr || !m_Output)
    return;

  ANALYTIC_SET(UIFeatures.PixelHistory, true);

  int x = MipCoordFromBase(m_PickedPoint.x(), texptr->width);
  int y = MipCoordFromBase(m_PickedPoint.y(), texptr->height);

  uint32_t mipHeight = qMax(1U, texptr->height >> (int)m_TexDisplay.subresource.mip);

  if(m_TexDisplay.flipY)
    y = (int)(mipHeight - 1) - y;

  uint32_t view = m_TexDisplay.subresource.slice - m_Following.GetFirstArraySlice(m_Ctx);
  IPixelHistoryView *hist = m_Ctx.ViewPixelHistory(texptr->resourceId, x, y, view, m_TexDisplay);

  if(failedDebug)
    hist->SetFailedDebug();

  m_Ctx.AddDockWindow(hist->Widget(), DockReference::TransientPopupArea, this, 0.3f);

  // we use this pointer to ensure that the history viewer is still visible (and hasn't been closed)
  // by the time we want to set the results.
  QPointer<QWidget> histWidget = hist->Widget();

  // add a short delay so that controls repainting after a new panel appears can get at the
  // render thread before we insert the long blocking pixel history task
  LambdaThread *thread = new LambdaThread([this, texptr, x, y, hist, histWidget]() {
    QThread::msleep(150);
    m_Ctx.Replay().AsyncInvoke([this, texptr, x, y, hist, histWidget](IReplayController *r) {
      rdcarray<PixelModification> history =
          r->PixelHistory(texptr->resourceId, (uint32_t)x, (int32_t)y, m_TexDisplay.subresource,
                          m_TexDisplay.typeCast);

      GUIInvoke::call(this, [hist, histWidget, history] {
        if(histWidget)
          hist->SetHistory(history);
      });
    });
  });
  thread->selfDelete(true);
  thread->start();
}

void TextureViewer::on_texListShow_clicked()
{