EffectCache.h

#pragma once
 
#include "Rendering/Common.h"
#include "Rendering/IEffects.h"
 
#include "Foundation/StringView.h"
 
#include <unordered_map>
 
namespace Cogs
{
  namespace Core
  {
    struct EffectDescription
    {
      std::string vs;
      std::string ps;
      std::string cs;
 
      PreprocessorDefinitions definitions;
    };
 
    struct CachedEffect
    {
      EffectDescription description;
 
      Cogs::EffectHandle handle;
 
      uint32_t usage = 0;
    };
 
    struct EffectCache
    {
      void reload(struct RenderTaskContext * context);
      void reload(struct RenderTaskContext * context, CachedEffect * effect);
 
      CachedEffect * loadEffect(struct RenderTaskContext * context, StringView cs);
      CachedEffect * loadEffect(struct RenderTaskContext * context, StringView vs, StringView ps);
      CachedEffect * loadEffect(struct RenderTaskContext * context, EffectDescription & desc);
      void release(struct RenderTaskContext * context, CachedEffect * effect);
 
    private:
      std::unordered_map<size_t, CachedEffect> effects;
    };
  }
}