easygpu 0.4.0

Simple wrapper around wgpu aiming to make some common operations easier
Documentation 
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use figures::SizedRect;

use crate::device::Device;
use crate::transform::ScreenSpace;

pub trait Canvas {
    type Color;

    fn clear(&self, color: Self::Color, device: &mut Device, encoder: &mut wgpu::CommandEncoder);
    fn fill(&self, buf: &[Self::Color], device: &mut Device, encoder: &mut wgpu::CommandEncoder);
    fn transfer(
        &self,
        buf: &[Self::Color],
        r: SizedRect<i32, ScreenSpace>,
        device: &mut Device,
        encoder: &mut wgpu::CommandEncoder,
    );
    fn blit(
        &self,
        from: SizedRect<u32, ScreenSpace>,
        dst: SizedRect<u32, ScreenSpace>,
        encoder: &mut wgpu::CommandEncoder,
    );
}