VertexArray.cpp

Go to the documentation of this file.

#include "VertexArray.h"
 
#include <glad/glad.h>
#include <vector>
 
namespace dyno
{
    void VertexArray::create()
    {
        glGenVertexArrays(1, &id);
    }
 
    void VertexArray::release()
    {
        glDeleteVertexArrays(1, &id);       
        
        // reset object id
        id = GL_INVALID_INDEX;
    }
 
    void VertexArray::bind()
    {
        glBindVertexArray(id);
    }
 
    void VertexArray::unbind()
    {
        glBindVertexArray(0);
    }
 
    void VertexArray::bindIndexBuffer(Buffer* buffer)
    {
        this->bind();
        if (buffer == 0)
        {
            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
        }
        else
        {
            buffer->bind();
        }
        this->unbind();
    }
 
 
    void VertexArray::bindVertexBuffer(Buffer* buffer, int index,
        int size, int type, int stride, int offset, int divisor)
    {
        this->bind();
        if (buffer == 0)
        {
            glDisableVertexAttribArray(index);
        }
        else
        {
            buffer->bind();
            glEnableVertexAttribArray(index);
            glVertexAttribPointer(index, size, type, GL_FALSE, stride, (void*)offset);
            glVertexAttribDivisor(index, divisor);
        }
        this->unbind();
    }
 
}