Struct GlState 

pub struct GlState { /* private fields */ }

Manages simple GL state to reduce redundant state changes

Implementations

impl GlState

pub fn new(gl: &Context) -> Self

Create a new GLState object with GL defaults

pub fn viewport( &mut self, gl: &Context, x: i32, y: i32, width: i32, height: i32, ) -> &mut Self

Set viewport dimensions

pub fn clear_color( &mut self, gl: &Context, r: f32, g: f32, b: f32, a: f32, ) -> &mut Self

Set clear color

pub fn active_texture(&mut self, gl: &Context, texture_unit: u32) -> &mut Self

Set active texture unit

pub fn vertex_attrib_array( &mut self, gl: &Context, index: u32, enable: bool, ) -> &mut Self

Enable or disable a vertex attribute array

pub fn reset(&mut self, gl: &Context)

Reset all tracked state to GL defaults

Trait Implementations

impl Debug for GlState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.