61 lines
2.2 KiB
Rust
61 lines
2.2 KiB
Rust
use std::path::Path;
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use image::GenericImageView;
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pub struct Texture {
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pub texture: wgpu::Texture,
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pub view: wgpu::TextureView,
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pub sampler: wgpu::Sampler,
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}
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impl Texture {
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pub fn from_file(device: &wgpu::Device, queue: &wgpu::Queue, str_path: &str) -> Self {
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let img_path = Path::new(str_path);
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let img = image::open(img_path).unwrap();
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Self::from_image(&device, &queue, &img)
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}
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pub fn from_image(device: &wgpu::Device, queue: &wgpu::Queue, img: &image::DynamicImage) -> Self {
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// Data from image
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let img_dim = img.dimensions();
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let img_data = img.as_rgba8().unwrap();
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// Create texture on device
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let texture_size = wgpu::Extent3d { width: img_dim.0, height: img_dim.1, depth: 1, };
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let texture = device.create_texture(&wgpu::TextureDescriptor {
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size: texture_size,
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mip_level_count: 1,
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sample_count: 1,
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dimension: wgpu::TextureDimension::D2,
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format: wgpu::TextureFormat::Rgba8UnormSrgb,
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usage: wgpu::TextureUsage::SAMPLED | wgpu::TextureUsage::COPY_DST,
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label: None,
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});
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// Write texture to memory
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queue.write_texture(
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wgpu::TextureCopyView { texture: &texture, mip_level: 0, origin: wgpu::Origin3d::ZERO },
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img_data,
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wgpu::TextureDataLayout { offset: 0, bytes_per_row: 4 * img_dim.0, rows_per_image: img_dim.1 },
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texture_size,
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);
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// Create view and sampler
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let view = texture.create_view(&wgpu::TextureViewDescriptor::default());
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let sampler = device.create_sampler(
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&wgpu::SamplerDescriptor {
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address_mode_u: wgpu::AddressMode::ClampToEdge,
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address_mode_v: wgpu::AddressMode::ClampToEdge,
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address_mode_w: wgpu::AddressMode::ClampToEdge,
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//mag_filter: wgpu::FilterMode::Linear,
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mag_filter: wgpu::FilterMode::Nearest,
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min_filter: wgpu::FilterMode::Nearest,
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mipmap_filter: wgpu::FilterMode::Nearest,
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..Default::default()
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}
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);
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Self { texture, view, sampler }
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}
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} |