BuffersNull.h

#pragma once
 
#include "../Common.h"
#include "../Flags.h"
#include "../Base/BuffersCommon.h"
#include "../VertexFormat.h"
 
#include "../Base/ResourceMap.h"
 
namespace Cogs {
  struct InputLayoutNull {
  };
 
  class BuffersNull : public BuffersCommon {
  public:
    virtual VertexBufferHandle loadVertexBuffer(const void* /*vertexData*/, const size_t /*count*/, const VertexFormat& /*vertexFormat*/) override {
      return VertexBufferHandle(reinterpret_cast<int64_t>(new BufferTag()));
    }
 
    virtual VertexBufferHandle loadVertexBuffer(const void* /*vertexData*/, const size_t /*count*/, VertexFormatHandle /*vertexFormatHandle*/) override {
      return VertexBufferHandle(reinterpret_cast<int64_t>(new BufferTag()));
    }
 
    virtual void releaseVertexBuffer(VertexBufferHandle vertexBufferHandle) override {
      delete reinterpret_cast<BufferTag*>(vertexBufferHandle.handle);
    }
 
    virtual IndexBufferHandle loadIndexBuffer(const void* /*indexData*/, const size_t /*count*/, const size_t /*indexSize*/) override {
      return IndexBufferHandle(reinterpret_cast<int64_t>(new BufferTag()));
    }
 
    virtual void releaseIndexBuffer(IndexBufferHandle indexBufferHandle) override {
      delete reinterpret_cast<BufferTag*>(indexBufferHandle.handle);
    }
 
    virtual InputLayoutHandle loadInputLayout(const VertexFormatHandle* vertexFormats, const size_t count, EffectHandle effectHandle) override;
    virtual void releaseInputLayout(InputLayoutHandle inputLayoutHandle) override;
 
    virtual BufferHandle loadBuffer(const void* /*data*/, const size_t /*size*/, Usage::EUsage /*usage*/, uint32_t /*accessMode*/, uint32_t /*bindFlags*/, uint32_t /*stride*/ = 0) override {
      return BufferHandle(reinterpret_cast<int64_t>(new BufferTag()));
    }
 
    virtual void releaseBuffer(BufferHandle bufferHandle) override {
      delete reinterpret_cast<BufferTag*>(bufferHandle.handle);
    }
 
    virtual void* getNativeHandle(BufferHandle bufferHandle) override {
      return reinterpret_cast<void*>(bufferHandle.handle);
    }
 
    virtual void releaseResources() override {
    }
 
    virtual void retrieveSubBuffer(void* /*data*/, BufferHandle /*source*/, const size_t /*offset*/, const size_t /*size*/) override {
    }
 
  private:
    SafeResourceMap<InputLayoutHandle, InputLayoutNull> inputLayouts;
  };
}