RenderTarget.h

#pragma once
#include "Foundation/Collections/SmallVector.h"
 
#include "RenderResource.h"
 
#include <glm/vec4.hpp>
 
#include <vector>
#include "Utilities/Expressions.h"
 
namespace Cogs
{
  namespace Core
  {
    struct RenderTexture;
 
    struct RenderTarget : public RenderResource
    {
      void update(class Renderer * renderer);
      void release(class Renderer * renderer);
 
      Cogs::TextureHandle get(const std::string & name);
 
      bool checkUpdate();
 
      std::vector<struct RenderTexture *> textures;
      struct RenderTexture * depth = nullptr;
 
      bool expectsSRGB = false;
 
      uint8_t multiViewBaseIndex = 0;
      uint8_t multiViewCount = 1;
      uint8_t multiViewSamples = 1;
 
      uint16_t layerIndex = 0;
      uint16_t numLayers = 1;
 
      uint32_t subresourceIndex = 0;
      uint32_t depthLayerIndex = 0;
 
      uint64_t generationHash = 0;
 
      RenderTargetHandle renderTargetHandle = RenderTargetHandle::NoHandle;
      DepthStencilHandle depthTargetHandle = DepthStencilHandle::NoHandle;
 
      // Mip levels
      std::vector<Cogs::RenderTargetHandle> mipLevelViews;
 
      RenderTargetHandle renderTargetHandles[4];
      DepthStencilHandle depthTargetHandles[4];
 
      int width = -1;
      int height = -1;
      uint32_t samples = 0;
 
      ExpressionValue<size_t> levels = 0;
 
      Collections::SmallVector<glm::vec4, 1> clearColors;
 
      const glm::vec4 getClearColor() { return clearColors.empty() ? glm::vec4(0.f) : clearColors[0]; }
    };
  }
}