Function EnsureMesh

engine/PoseidonGL33/EngineGL33_ShadowDepth.cpp:189–201

}

bool EnsureMesh()
{
    if (s_vao)
        return true;
    glGenVertexArrays(1, &s_vao);
    glGenBuffers(1, &s_vbo);
    GL33Bind::Vao(s_vao);
    glBindBuffer(GL_ARRAY_BUFFER, s_vbo);
    glEnableVertexAttribArray(0);
    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), nullptr);
    GL33Bind::Vao(0);
    return true;
}

const char* kAlphaVS = R"(#version 330 core
layout(location = 0) in vec3 pos;