vao.h

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/**
 
    @file      vao.h
    @author    Khrapov
    @date      19.01.2020
    @copyright © Nick Khrapov, 2021. All right reserved.
 
**/
#pragma once
 
#include <qx/gl/ibuffer.h>
#include <qx/typedefs.h>
 
namespace qx
{
 
/**
 
    @class   base_vao
    @brief   Base VAO class
    @details ~
    @author  Khrapov
    @date    19.01.2020
 
**/
class base_vao : IBuffer
{
public:
    base_vao() = default;
    virtual ~base_vao();
 
    QX_DECL_IBUFFER
 
    /**
        @brief Enable a generic vertex attribute array
        @param nIndex - array index in VAO
    **/
    void EnableVertexArrtibArray(size_t nIndex);
 
    /**
        @brief Disable a generic vertex attribute array
        @param nIndex - array index in VAO
    **/
    void DisableVertexArrtibArray(size_t nIndex);
 
    /**
        @brief Define an array of generic vertex attribute data
        @param nIndex      - index of the generic vertex attribute to be modified 
        @param nSize       - number of components per generic vertex attribute.
                             Must be 1, 2, 3, 4
        @param eType       - data type of each component in the array 
        @param bNormalized - specifies whether fixed-point data values should be
                             normalized or converted directly as fixed-point values
        @param nStride     - byte offset between consecutive generic vertex attributes 
        @param nOffset     - offset of the first component of the first generic
                             vertex attribute in the array in the data store of
                             the buffer currently bound to the GL_ARRAY_BUFFER target
    **/
    void VertexAttribPointer(
        size_t    nIndex,
        GLint     nSize,
        GLenum    eType,
        GLboolean bNormalized,
        GLsizei   nStride,
        size_t    nOffset);
 
private:
    GLuint m_nVAO = std::numeric_limits<GLuint>::max();
};
 
using vao = base_vao;
 
} // namespace qx
 
#include <qx/gl/vao.inl>