D:/SoftwareEntwicklung/C++/HLC/Tools/SoftPixelEngine/repository/sources/RenderSystem/spConstantBuffer.hpp

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/*
 * Shader constant buffer header
 * 
 * This file is part of the "SoftPixel Engine" (Copyright (c) 2008 by Lukas Hermanns)
 * See "SoftPixelEngine.hpp" for license information.
 */

#ifndef __SP_SHADER_CONSTANT_BUFFER_H__
#define __SP_SHADER_CONSTANT_BUFFER_H__


#include "Base/spStandard.hpp"
#include "Base/spInputOutputString.hpp"
#include "Base/spMaterialConfigTypes.hpp"


namespace sp
{
namespace video
{


class ShaderClass;

class SP_EXPORT ConstantBuffer
{
    
    public:
        
        ConstantBuffer(ShaderClass* Owner, const io::stringc &Name, u32 Index);
        virtual ~ConstantBuffer();
        
        /* === Functions === */
        
        virtual bool updateBuffer(const void* Buffer, u32 Size = 0);
        
        virtual bool valid() const;
        
        void setBufferUsage(const EHWBufferUsage Usage);
        
        /* === Inline functions === */
        
        inline const io::stringc& getName() const
        {
            return Name_;
        }
        
        inline u32 getSize() const
        {
            return Size_;
        }
        
        inline u32 getIndex() const
        {
            return Index_;
        }
        
        inline EHWBufferUsage getBufferUsage() const
        {
            return Usage_;
        }
        
        inline ShaderClass* getShaderClass() const
        {
            return Shader_;
        }
        
    protected:
        
        /* === Members === */
        
        ShaderClass* Shader_;   
        
        EHWBufferUsage Usage_;
        bool HasUsageChanged_;
        
        u32 Size_;
        
    private:
        
        /* === Members === */
        
        io::stringc Name_;
        u32 Index_;
        
};


} // /namespace scene

} // /namespace sp


#endif



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