#ifndef IConstantMapping_h__
#define IConstantMapping_h__

#include <vector>
#include "Types.h"
#include <LString.h>

#define HLSL_CONSTANT_SIZE (4*4)

struct IConstantMappingData
{
	IConstantMappingData(uint32 slot, uint32 offset, uint32 row_count, uint32 col_count)
	{
		SlotID = slot;
		SlotOffset = offset;
		RowCount = row_count;
		ColumnCount = col_count;
	}
	uint32 SlotID;
	uint32 SlotOffset;
	uint32 ColumnCount;
	uint32 RowCount;
};
class IConstantMapping
{
public:
	IConstantMapping();
	~IConstantMapping();
	void InsertConstant(const String& name, uint32 numRows, uint32 numCols);
	uint32 GetAlignedSize();
private:
	uint32 lastSlotId;
	typedef std::vector<IConstantMappingData> ConstantCollection;
	typedef std::vector<IConstantMappingData>::iterator ConstantCollectionItr;
	ConstantCollection mapping;
	ConstantCollection spaces;
};
#endif // IConstantMapping_h__