pittore 0.2.4

Simple toolkit for 2D visualization based on wgpu.
Documentation 
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use crate::{render::bind_group::AsBindGroup, RenderState};

pub struct SpriteMaterial {
    pub texture_id: u32,
}

impl AsBindGroup for SpriteMaterial {
    fn bind_group_layout(device: &wgpu::Device) -> wgpu::BindGroupLayout {
        device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
            label: None,
            entries: &[
                wgpu::BindGroupLayoutEntry {
                    binding: 0,
                    visibility: wgpu::ShaderStages::FRAGMENT,
                    ty: wgpu::BindingType::Texture {
                        sample_type: wgpu::TextureSampleType::Float { filterable: true },
                        view_dimension: wgpu::TextureViewDimension::D2,
                        multisampled: false,
                    },
                    count: None,
                },
                wgpu::BindGroupLayoutEntry {
                    binding: 1,
                    visibility: wgpu::ShaderStages::FRAGMENT,
                    ty: wgpu::BindingType::Sampler(wgpu::SamplerBindingType::Filtering),
                    count: None,
                },
            ],
        })
    }

    fn as_bind_group(&self, render_state: &RenderState) -> wgpu::BindGroup {
        render_state
            .device
            .create_bind_group(&wgpu::BindGroupDescriptor {
                label: None,
                layout: &Self::bind_group_layout(&render_state.device),
                entries: &[
                    wgpu::BindGroupEntry {
                        binding: 0,
                        resource: wgpu::BindingResource::TextureView(
                            &render_state.textures[self.texture_id].texture_view,
                        ),
                    },
                    wgpu::BindGroupEntry {
                        binding: 1,
                        resource: wgpu::BindingResource::Sampler(&render_state.default_sampler),
                    },
                ],
            })
    }
}