OpenGLMesh.cpp

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#include "Engine/Utility/Defines.hpp"
#ifdef USING_OPENGL
#include "Engine/Mesh/OpenGLMesh.hpp"
#include <ThirdParty/glew-2.1.0/include/GL/glew.h>

namespace Engine
{
    OpenGLMesh::OpenGLMesh(eastl::vector<Vertex> vertices, eastl::vector<unsigned> indices) : Mesh(vertices, indices)
    {
        OpenGLMesh::SetUpMesh();
    }

    void OpenGLMesh::SetUpMesh()
    {
        // Bind Vertices, texture coordinates and normals
        // Allocate one buffer
        unsigned int uVBO = unsigned int(vbo);
        glGenBuffers(1, &uVBO);
        glGetError();

        // Array buffer contains the attribute data
        glBindBuffer(GL_ARRAY_BUFFER, uVBO);
        glGetError();

        // Copy into VBO
        glBufferData(GL_ARRAY_BUFFER, sizeof(Vertex) * vertices.size(), &vertices[0], GL_STATIC_DRAW);
        glGetError();
        glBindBuffer(GL_ARRAY_BUFFER, 0); // Unbind buffer
        glGetError();
        //--

        vbo = uint64_t(uVBO);

        unsigned int uEBO = unsigned int(ebo);
        // Allocate one buffer
        glGenBuffers(1, &uEBO);
        glGetError();

        // Element array buffer contains the indices.
        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, uEBO);
        glGetError();

        // Copy into VBO
        glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * indices.size(), &indices[0], GL_STATIC_DRAW);
        glGetError();
        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 1); // Unbind buffer
        glGetError();

        ebo = uint64_t(uEBO);

        //Could clear vertices & indices here
    }
} // namespace Engine
#endif