RenderMesh.h

#pragma once
#include <unordered_map>
 
#include "RenderResourceBase.h"
#include "Resources/MeshStreamsLayout.h"
 
#include "Rendering/Common.h"
#include "Rendering/VertexFormat.h"
 
namespace Cogs
{
  class IGraphicsDevice;
 
  namespace Core
  {
    struct Mesh;
    struct RenderEffect;
    
    struct RenderMesh : public RenderResourceBase<Mesh>
    {
      RenderMesh();
      RenderMesh(RenderMesh &) = delete;
 
      ActivationResult update(Mesh * mesh, IGraphicsDevice * device, class RenderResources * resources);
      void release(class Renderer * renderer);
 
      Mesh * getMesh() const { return getResource(); }
 
      Cogs::VertexArrayObjectHandle getVertexArrayObject(IGraphicsDevice* device, const RenderEffect* renderEffect) const;
 
      uint32_t numVertexes = 0;
 
      MeshStreamsLayout streamsLayout;
 
      VertexBufferHandle vertexBuffers[MeshStreamsLayout::maxStreams];
      uint32_t vertexOffsets[MeshStreamsLayout::maxStreams];
      uint32_t vertexStrides[MeshStreamsLayout::maxStreams];
 
      IndexBufferHandle indexBuffer = IndexBufferHandle::NoHandle;
      uint32_t indexOffset = 0;
      uint32_t indexStride = 4;
 
      mutable std::unordered_map<RenderResource::Id, Cogs::VertexArrayObjectHandle> vaos;
    };
  }
}