Method initialize

src/visualization/components/background.cpp:46–75

}

bool Background::initialize() {
    if (!background_prog.create(shader::background_vert_shader,
                                shader::background_frag_shader,
                                ShaderProgram::TexelChannels::FormatR,
                                "rgba",
                                {})) {
        return false;
    }

    // Generate square VBO
    // clang-format off
    static constexpr auto vertex_buffer_data = std::array{
        -1.0f, -1.0f,
        1.0f, -1.0f,
        1.0f, 1.0f,
        1.0f, 1.0f,
        -1.0f, 1.0f,
        -1.0f, -1.0f,
    };
    // clang-format on
    gl_canvas_ref().glGenBuffers(1, &background_vbo);

    gl_canvas_ref().glBindBuffer(GL_ARRAY_BUFFER, background_vbo);
    gl_canvas_ref().glBufferData(GL_ARRAY_BUFFER,
                                 sizeof(vertex_buffer_data),
                                 vertex_buffer_data.data(),
                                 GL_STATIC_DRAW);

    return true;
}

void Background::draw(const mat4&, const mat4&) {
    background_prog.use();