GteHLSLConstantBuffer.h

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// David Eberly, Geometric Tools, Redmond WA 98052
// Copyright (c) 1998-2017
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
// File Version: 3.0.1 (2016/09/12)

#pragma once

#include <Graphics/DX11/GteHLSLBaseBuffer.h>

namespace gte
{

class GTE_IMPEXP HLSLConstantBuffer : public HLSLBaseBuffer
{
public:
    // TODO: Global constants in the HLSL file are placed as variables into
    // an implicit constant buffer named $Global.  We need to modify
    // Variable to store number of bytes and default values (if any).
    // 1. If the application writer must create the constant buffer and
    //    attach, how do we get the default data into the buffer?
    // 2. Maybe $Global needs to be created implicitly, filled with
    //    default values, then application queries for it to modify.  The
    //    idea of shader->Set("SomeCBuffer",cbuffer) was to allow sharing
    //    of constant buffers between shaders.

    // Construction and destruction.
    virtual ~HLSLConstantBuffer();

    HLSLConstantBuffer(D3D_SHADER_INPUT_BIND_DESC const& desc,
        unsigned int numBytes, std::vector<Member> const& members);

    HLSLConstantBuffer(D3D_SHADER_INPUT_BIND_DESC const& desc,
        unsigned int index, unsigned int numBytes,
        std::vector<Member> const& members);
};

}