C++ VisRenderContext_cl::SetDepthStencilTarget方法代码示例

//.........这里部分代码省略.........
      bool bRenderIntoFinalTargetContext = (iPostProcessorIndex >= iCopyPPIndex);

      int iPosX, iPosY, iWidth, iHeight;
      float zMin, zMax;
      if(bRenderIntoFinalTargetContext)
      {
        pFinalTargetContext->GetViewport(iPosX, iPosY, iWidth, iHeight, zMin, zMax);
      }
      else
      {
        GetReferenceContext()->GetViewport(iPosX, iPosY, iWidth, iHeight, zMin, zMax);
      }

      VisRenderContext_cl* pContext = new VisRenderContext_cl(pFinalTargetContext->GetCamera(), 90.0f, 90.0f, iWidth, iHeight, 0.0f, 0.0f, pFinalTargetContext->GetRenderFlags());
      pContext->SetRenderFilterMask(pFinalTargetContext->GetRenderFilterMask());
      pContext->SetViewport(iPosX, iPosY, iWidth, iHeight, zMin, zMax);
      pContext->SetViewProperties(pFinalTargetContext->GetViewProperties());

      pContext->SetName(pPostProcessor->GetTypeId()->m_lpszClassName);

      pContext->SetVisibilityCollector(pFinalTargetContext->GetVisibilityCollector(), false);
      pContext->SetPriority(pPostProcessor->GetPriority());
      pContext->SetUserData(pPostProcessor);
      pContext->SetRenderLoop(new PostProcessRenderLoop_cl(pPostProcessor));

      if(bRenderIntoFinalTargetContext)
      {
        pContext->SetRenderAndDepthStencilTargets(pFinalTargetContext);

        if (bUsesOffscreenRenderTarget)
        {
          // If possible, try to give the post processors that render directly into the final target context a useful depth-stencil target.
          // This is only possible if the final target context has MSAA disabled.
          bool bCanReplaceDST = false;

          if(pFinalTargetContext->RendersIntoBackBuffer())
          {
            #if !defined(_VISION_ANDROID) && !defined(_VISION_TIZEN) && !defined(_VISION_NACL)
              // On Android, the back buffer context uses a fixed FBO, so we can't replace the DST.
              bCanReplaceDST = Vision::Video.GetCurrentConfig()->m_eMultiSample == VVIDEO_MULTISAMPLE_OFF;
            #endif
          }
          else if(pFinalTargetContext->GetRenderTarget(0) != NULL)
          {
            bCanReplaceDST = static_cast<VisRenderableTexture_cl*>(pFinalTargetContext->GetRenderTarget(0))->GetConfig()->m_iMultiSampling <= 1;
          }

          int iRefWidth, iRefHeight, iFinalWidth, iFinalHeight;
          pFinalTargetContext->GetSize(iFinalWidth, iFinalHeight);
          GetReferenceContext()->GetSize(iRefWidth, iRefHeight);

          if(iRefWidth != iFinalWidth || iRefHeight != iFinalHeight)
          {
            bCanReplaceDST = false;
          }

          if(bCanReplaceDST)
          {
            pContext->SetDepthStencilTarget(static_cast<VisRenderableTexture_cl*>(GetPostProcessDepthStencilTarget(VRTV_RESOLVED)));
          }
          else
          {
            hkvLog::Warning("Could not attach a depth-stencil target to the context of the \"%s\" post processor - depth testing will not work correctly.", pPostProcessor->GetTypeId()->m_lpszClassName);
          }
        }
      }
      else
      {
        VRenderTargetVersion_e targetVersion = (pPostProcessor->GetPriority() <= VIS_RENDERCONTEXTPRIORITY_POSTPROCESSOR_RESOLVED) ? VRTV_MSAA : VRTV_RESOLVED;

        if((pPostProcessor->GetBufferUsageFlags() & VPostProcessingBaseComponent::USES_CUSTOM_RENDERTARGET) == 0)
        {
          pContext->SetRenderTarget(0, static_cast<VisRenderableTexture_cl*>(GetPostProcessColorTarget(targetVersion)));
          pContext->SetDepthStencilTarget(static_cast<VisRenderableTexture_cl*>(GetPostProcessDepthStencilTarget(targetVersion)));
        }
      }

      m_assignedContexts.Add(pContext);

      pPostProcessor->InitializePostProcessor();

      // Validity can only be determined after initialization, so deactivate the invalid postprocessor and retry the entire context setup
      if(!pPostProcessor->IsValid())
      {
        // the post-processor will have deactivated itself by now
        pPostProcessor->SetActive(false);
        bInvalidPostProcessorActive = true;
      }
    }
  }
  while ( bInvalidPostProcessorActive );

  m_bPostProcessorAssignmentDirty = false;
  m_iPostProcessorUpdateCounter--;

  VisRenderContext_cl::ElementManagerDeleteAllUnRef();

  ANALYSIS_IGNORE_WARNING_BLOCK_END;
  ANALYSIS_IGNORE_WARNING_BLOCK_END;
}