game/src/texture.rs
2023-06-27 20:03:42 +01:00

115 lines
2.9 KiB
Rust

pub struct Texture {
pub texture: wgpu::Texture,
pub view: wgpu::TextureView,
pub sampler: wgpu::Sampler,
}
impl Texture {
pub fn solid(
device: &wgpu::Device,
queue: &wgpu::Queue,
rgba: u32,
label: Option<&str>
) -> Self {
let size = wgpu::Extent3d {
width: 1,
height: 1,
depth_or_array_layers: 1,
};
let texture = device.create_texture(&(wgpu::TextureDescriptor {
label,
size,
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba8UnormSrgb,
usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
view_formats: &[],
}));
queue.write_texture(
wgpu::ImageCopyTexture {
aspect: wgpu::TextureAspect::All,
texture: &(texture),
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
},
&(rgba.to_be_bytes()),
wgpu::ImageDataLayout {
offset: 0,
bytes_per_row: Some(1 * 4),
rows_per_image: Some(1),
},
size
);
let view = texture.create_view(&(wgpu::TextureViewDescriptor::default()));
let sampler = device.create_sampler(&(wgpu::SamplerDescriptor {
address_mode_u: wgpu::AddressMode::ClampToEdge,
address_mode_v: wgpu::AddressMode::ClampToEdge,
address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Linear,
min_filter: wgpu::FilterMode::Nearest,
mipmap_filter: wgpu::FilterMode::Nearest,
..Default::default()
}));
return Self { texture, view, sampler };
}
pub fn from_image(
device: &wgpu::Device,
queue: &wgpu::Queue,
img: &image::DynamicImage,
label: Option<&str>
) -> Self {
let rgba = img.to_rgba8();
let dimensions = rgba.dimensions();
let size = wgpu::Extent3d {
width: dimensions.0,
height: dimensions.1,
depth_or_array_layers: 1,
};
let texture = device.create_texture(&(wgpu::TextureDescriptor {
label,
size,
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba8UnormSrgb,
usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
view_formats: &[],
}));
queue.write_texture(
wgpu::ImageCopyTexture {
aspect: wgpu::TextureAspect::All,
texture: &(texture),
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
},
&(rgba),
wgpu::ImageDataLayout {
offset: 0,
bytes_per_row: Some(dimensions.0 * 4),
rows_per_image: Some(dimensions.1),
},
size
);
let view = texture.create_view(&(wgpu::TextureViewDescriptor::default()));
let sampler = device.create_sampler(&(wgpu::SamplerDescriptor {
address_mode_u: wgpu::AddressMode::ClampToEdge,
address_mode_v: wgpu::AddressMode::ClampToEdge,
address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Linear,
min_filter: wgpu::FilterMode::Nearest,
mipmap_filter: wgpu::FilterMode::Nearest,
..Default::default()
}));
return Self { texture, view, sampler };
}
}