text: /***************************************************************************
   # Copyright (c) 2015-21, NVIDIA CORPORATION. All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
   # modification, are permitted provided that the following conditions
   # are met:
   #  * Redistributions of source code must retain the above copyright
   #    notice, this list of conditions and the following disclaimer.
   #  * Redistributions in binary form must reproduce the above copyright
   #    notice, this list of conditions and the following disclaimer in the
   #    documentation and/or other materials provided with the distribution.
   #  * Neither the name of NVIDIA CORPORATION nor the names of its
   #    contributors may be used to endorse or promote products derived
   #    from this software without specific prior written permission.
   #
   # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY
   # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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   # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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   # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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   # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   **************************************************************************/
  #pragma once
  #include "../../Mogwai.h"
  
  namespace Mogwai
  {
      class CaptureTrigger : public Extension
      {
      public:
          virtual ~CaptureTrigger() {};
  
          virtual void beginFrame(RenderContext* pRenderContext, const Fbo::SharedPtr& pTargetFbo) override final;
          virtual void endFrame(RenderContext* pRenderContext, const Fbo::SharedPtr& pTargetFbo) override final;
          virtual bool hasWindow() const override { return true; }
          virtual bool isWindowShown() const override { return mShowUI; }
          virtual void toggleWindow() override { mShowUI = !mShowUI; }
          virtual void registerScriptBindings(pybind11::module& m) override;
          virtual void activeGraphChanged(RenderGraph* pNewGraph, RenderGraph* pPrevGraph) override;
      protected:
          CaptureTrigger(Renderer* pRenderer, const std::string& name) : Extension(pRenderer, name) {}
  
          using Range = std::pair<uint64_t, uint64_t>; // Start frame and count
  
          virtual void beginRange(RenderGraph* pGraph, const Range& r) {};
          virtual void triggerFrame(RenderContext* pCtx, RenderGraph* pGraph, uint64_t frameID) {};
          virtual void endRange(RenderGraph* pGraph, const Range& r) {};
  
          void addRange(const RenderGraph* pGraph, uint64_t startFrame, uint64_t count);
          void reset(const RenderGraph* pGraph = nullptr);
          void renderUI(Gui::Window& w);
  
          void setOutputDirectory(const std::string& outDir);
          const std::string& getOutputDirectory() const { return mOutputDir; }
  
          void setBaseFilename(const std::string& baseFilename);
          const std::string& getBaseFilename() const { return mBaseFilename; }
  
          std::string getScript(const std::string& var) const;
          std::filesystem::path getOutputPath() const;
          std::string getOutputNamePrefix(const std::string& output) const;
  
          using range_vec = std::vector<Range>;
          std::unordered_map<const RenderGraph*, range_vec> mGraphRanges;
  
          std::string mBaseFilename = "Mogwai";
          std::string mOutputDir = ".";
          bool mShowUI = false;
  
          struct
          {
              RenderGraph* pGraph = nullptr;
              Range range;
          } mCurrent;
      };
  }
  