DtCommonRenderData.h

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/*****************************************************************************
 * Copyright (c) 2023 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvGraphics/vrvGraphics.h>

#include <set>
#include <unordered_map>
#include <vector>

namespace makVrv
{
   struct DtQuadsRenderData
   {
      std::vector<int> myFirstIndices;
      std::vector<int> myCounts;

      int myTotalNumCodePoints = 0;
      
      std::set<unsigned int> myTextureIds;
      std::unordered_map<unsigned int, int> myMapTextureIdToTextureIndexInGlobalArray;
      std::vector<std::uint64_t> myTextureAddressArray;
      
   };

   struct DtObserverRenderData
   {
      double myObserverTopographicTrueNorthHeading = 0.0;
      double myAltitude = 0.0;
      double myViewResolution = 1.0; // meter per pixel ratio
      bool myIs2D = false;
   };

   struct DtOverlayRenderData
   {
      bool myGeocentricEffect = false;

      float myGeocentricOccludedAlpha = 0.0f;

      double myWorldToWindow[16] = {};

      double myCameraPosition[3] = { 0,0,0 };

      int myViewport[4] = { 0,0,1,1 };

      double mySceneCameraPosition[3] = { 0,0,0 };

      double mySceneCameraRotation[16] = {};

      double mySceneProjectionMatrix[16] = {};

      double mySceneProjectionMatrixI[16] = {};

      int mySceneViewport[4] = { 0,0,1,1 };

      double mySceneCameraFrustum[6] = {};
   };

   struct DtOverlayResourceRequirements
   {
      // True if the scene depth texture is required.
      bool myRequiresSceneDepthTexture = false;

      // True if the scene occlusion texture is required.
      bool myRequiresSceneOcclusionTexture = false;
   };
}