Struct golem::Context

pub struct Context(_);

The context required to interact with the GPU

Methods

impl Context

pub fn from_glow(gl: Context) -> Result<Context, GolemError>

Create an instance from an OpenGL context

pub fn set_viewport(&self, x: u32, y: u32, width: u32, height: u32)

Set the section of the framebuffer that will be rendered to

By default, this is the entire internal area of the window. When switching to a Surface, it's generally important to set the viewport to its area.

pub fn set_clear_color(&self, r: f32, g: f32, b: f32, a: f32)

Set the color the render target will be cleared to by clear

pub fn clear(&self)

Clear the current render target to the render color (see set_clear_color)

pub fn set_blend_mode(&self, blend_state: Option<BlendMode>)

Set the blend mode, with None disabling blending

By default, this is None

See the documentation for BlendMode for the various blending options