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No commits in common. "6eb3d98ad4747b34a366d6d92ba6f1df3bec4ba4" and "b188e49a3cafd69a13221401c5e4dae1aedb43f2" have entirely different histories.

3 changed files with 3 additions and 352 deletions

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@ -17,7 +17,7 @@ include = [
[dependencies] [dependencies]
hui = { version = "=0.1.0-alpha.5", path = "../hui", default-features = false } hui = { version = "=0.1.0-alpha.5", path = "../hui", default-features = false }
wgpu = { version = "0.20", default-features = false, features = ["wgsl"]} wgpu = "0.20"
bytemuck = "1.15" bytemuck = "1.15"
log = "0.4"
glam = "0.27" glam = "0.27"
log = "0.4"

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@ -1,35 +0,0 @@
struct VertexInput {
@location(0) position: vec3<f32>,
@location(1) uv: vec2<f32>,
@location(2) color: vec4<f32>,
}
struct VertexOutput {
@builtin(position) clip_position: vec4<f32>,
@location(0) uv: vec2<f32>,
@location(1) color: vec4<f32>,
};
@vertex
fn vs_main(
in: VertexInput,
) -> VertexOutput {
var out: VertexOutput;
out.clip_position = vec4<f32>(in.position, 1.0);
out.uv = in.uv;
out.color = in.color;
return out;
}
@group(0) @binding(0)
var t_diffuse: texture_2d<f32>;
@group(0) @binding(1)
var s_diffuse: sampler;
@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
//HACK: This is a hack to convert the color to sRGB
let srgb_color = pow(in.color, vec4<f32>(2.2, 2.2, 2.2, 1.0));
return textureSample(t_diffuse, s_diffuse, in.uv) * srgb_color;
}

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@ -1,321 +1,7 @@
use glam::{vec2, Vec2};
use hui::{draw::{TextureAtlasMeta, UiDrawCall, UiVertex}, UiInstance};
const DEFAULT_BUFFER_SIZE: u64 = 1024;
const DEFAULT_TEXTURE_SIZE: u32 = 512;
const SHADER_MODULE: &str = include_str!("../shaders/ui.wgsl");
#[derive(Clone, Copy)]
#[repr(C, packed)]
struct WgpuVertex {
position: [f32; 2],
uv: [f32; 2],
color: [f32; 4],
}
unsafe impl bytemuck::Pod for WgpuVertex {}
unsafe impl bytemuck::Zeroable for WgpuVertex {}
impl WgpuVertex {
pub const LAYOUT: wgpu::VertexBufferLayout<'static> = wgpu::VertexBufferLayout {
array_stride: std::mem::size_of::<WgpuVertex>() as wgpu::BufferAddress,
step_mode: wgpu::VertexStepMode::Vertex,
attributes: &wgpu::vertex_attr_array![
0 => Float32x2,
1 => Float32x2,
2 => Float32x4,
],
};
}
impl From<UiVertex> for WgpuVertex {
fn from(v: UiVertex) -> Self {
Self {
position: v.position.to_array(),
uv: v.uv.to_array(),
color: v.color.to_array(),
}
}
}
pub struct WgpuUiRenderer { pub struct WgpuUiRenderer {
pub modified: bool,
pub vertex_buffer: wgpu::Buffer,
pub index_buffer: wgpu::Buffer,
pub vertex_count: usize,
pub index_count: usize,
pub bind_group_layout: wgpu::BindGroupLayout,
pub bind_group: wgpu::BindGroup,
pub pipeline: wgpu::RenderPipeline,
pub texture: wgpu::Texture,
pub texture_view: wgpu::TextureView,
pub texture_sampler: wgpu::Sampler,
} }
impl WgpuUiRenderer { impl WgpuUiRenderer {
pub fn new(
device: &wgpu::Device,
surface_format: wgpu::TextureFormat,
) -> Self {
let vertex_buffer = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("ui_vertex_buffer"),
size: std::mem::size_of::<WgpuVertex>() as u64 * DEFAULT_BUFFER_SIZE,
usage: wgpu::BufferUsages::VERTEX | wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
let index_buffer = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("hui_index_buffer"),
size: std::mem::size_of::<u32>() as u64 * DEFAULT_BUFFER_SIZE,
usage: wgpu::BufferUsages::INDEX | wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
let texture = device.create_texture(&wgpu::TextureDescriptor {
label: Some("ui_texture"),
size: wgpu::Extent3d {
width: DEFAULT_TEXTURE_SIZE,
height: DEFAULT_TEXTURE_SIZE,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba8UnormSrgb,
usage: wgpu::TextureUsages::COPY_DST | wgpu::TextureUsages::TEXTURE_BINDING,
view_formats: &[],
});
let bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
label: Some("ui_bind_group_layout"),
entries: &[
wgpu::BindGroupLayoutEntry {
binding: 0,
visibility: wgpu::ShaderStages::FRAGMENT,
ty: wgpu::BindingType::Texture {
sample_type: wgpu::TextureSampleType::Float { filterable: false },
view_dimension: wgpu::TextureViewDimension::D2,
multisampled: false,
},
count: None,
},
wgpu::BindGroupLayoutEntry {
binding: 1,
visibility: wgpu::ShaderStages::FRAGMENT,
ty: wgpu::BindingType::Sampler(wgpu::SamplerBindingType::NonFiltering),
count: None,
},
],
});
let texture_view = texture.create_view(&wgpu::TextureViewDescriptor {
label: Some("ui_texture_view"),
..Default::default()
});
let texture_sampler = device.create_sampler(&wgpu::SamplerDescriptor {
label: Some("ui_texture_sampler"),
address_mode_u: wgpu::AddressMode::ClampToEdge,
address_mode_v: wgpu::AddressMode::ClampToEdge,
address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Nearest,
min_filter: wgpu::FilterMode::Nearest,
mipmap_filter: wgpu::FilterMode::Nearest,
..Default::default()
});
let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
label: Some("ui_bind_group"),
layout: &bind_group_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::TextureView(&texture_view),
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::Sampler(&texture_sampler),
},
],
});
let shader_module = device.create_shader_module(wgpu::ShaderModuleDescriptor {
label: Some("ui_vertex_shader"),
source: wgpu::ShaderSource::Wgsl(SHADER_MODULE.into()),
});
let pipeline = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
label: Some("ui_pipeline_layout"),
bind_group_layouts: &[&bind_group_layout],
push_constant_ranges: &[],
});
let pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
label: Some("ui_pipeline"),
layout: Some(&pipeline),
vertex: wgpu::VertexState {
module: &shader_module,
compilation_options: wgpu::PipelineCompilationOptions::default(),
entry_point: "vs_main",
buffers: &[WgpuVertex::LAYOUT],
},
fragment: Some(wgpu::FragmentState {
module: &shader_module,
compilation_options: wgpu::PipelineCompilationOptions::default(),
entry_point: "fs_main",
targets: &[Some(wgpu::ColorTargetState {
format: surface_format,
blend: Some(wgpu::BlendState::ALPHA_BLENDING),
write_mask: wgpu::ColorWrites::COLOR,
})],
}),
primitive: wgpu::PrimitiveState {
topology: wgpu::PrimitiveTopology::TriangleList,
strip_index_format: None,
front_face: wgpu::FrontFace::Ccw,
cull_mode: None,
polygon_mode: wgpu::PolygonMode::Fill,
conservative: false,
unclipped_depth: false,
},
depth_stencil: None,
multisample: wgpu::MultisampleState::default(),
multiview: None,
});
Self {
modified: true,
vertex_buffer,
index_buffer,
vertex_count: 0,
index_count: 0,
bind_group_layout,
bind_group,
texture,
texture_view,
texture_sampler,
pipeline,
}
}
fn update_buffers(&mut self, call: &UiDrawCall, queue: &wgpu::Queue, device: &wgpu::Device, resolution: Vec2) {
let data_vtx = call.vertices.iter()
.copied()
.map(|x| {
let mut v = x;
v.position = vec2(1., -1.) * ((v.position / resolution) * 2.0 - 1.0);
v
})
.map(WgpuVertex::from)
.collect::<Vec<_>>();
let data_idx = &call.indices[..];
let data_vtx_view = bytemuck::cast_slice(&data_vtx);
let data_idx_view = bytemuck::cast_slice(data_idx);
self.vertex_count = call.vertices.len();
self.index_count = call.indices.len();
if data_vtx.is_empty() || data_idx.is_empty() {
return
}
if data_vtx_view.len() as u64 > self.vertex_buffer.size() {
self.vertex_buffer = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("ui_vertex_buffer"),
size: (data_vtx_view.len() as u64).next_power_of_two(),
usage: wgpu::BufferUsages::VERTEX | wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
}
if data_idx_view.len() as u64 > self.index_buffer.size() {
self.index_buffer = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("ui_index_buffer"),
size: (data_idx_view.len() as u64).next_power_of_two(),
usage: wgpu::BufferUsages::INDEX | wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
}
queue.write_buffer(&self.vertex_buffer, 0, data_vtx_view);
queue.write_buffer(&self.index_buffer, 0, data_idx_view);
}
fn update_texture(&self, meta: TextureAtlasMeta, queue: &wgpu::Queue) {
//TODO URGENCY:HIGH resize texture if needed
if meta.data.len() as u32 > (self.texture.size().width * self.texture.size().height * 4) {
unimplemented!("texture resize not implemented");
}
queue.write_texture(
wgpu::ImageCopyTexture {
texture: &self.texture,
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
},
meta.data,
wgpu::ImageDataLayout {
offset: 0,
bytes_per_row: Some(meta.size.x * 4),
rows_per_image: Some(meta.size.y),
},
wgpu::Extent3d {
width: meta.size.x,
height: meta.size.y,
depth_or_array_layers: 1,
}
);
}
pub fn update(
&mut self,
instance: &UiInstance,
queue: &wgpu::Queue,
device: &wgpu::Device,
resolution: Vec2,
) {
let (modified, call) = instance.draw_call();
if self.modified || modified {
self.update_buffers(call, queue, device, resolution);
}
let meta = instance.atlas();
if self.modified || meta.modified {
self.update_texture(meta, queue);
}
self.modified = false;
}
pub fn draw(
&self,
encoder: &mut wgpu::CommandEncoder,
surface_view: &wgpu::TextureView,
) {
if self.vertex_count == 0 || self.index_count == 0 {
return
}
let mut rpass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
label: Some("ui_render_pass"),
color_attachments: &[Some(wgpu::RenderPassColorAttachment {
view: surface_view,
resolve_target: None,
ops: wgpu::Operations {
load: wgpu::LoadOp::Load,
store: wgpu::StoreOp::Store,
},
})],
..Default::default()
});
let vtx_size = self.vertex_count as u64 * std::mem::size_of::<WgpuVertex>() as u64;
let idx_size = self.index_count as u64 * std::mem::size_of::<u32>() as u64;
rpass.set_pipeline(&self.pipeline);
rpass.set_bind_group(0, &self.bind_group, &[]);
rpass.set_vertex_buffer(0, self.vertex_buffer.slice(0..vtx_size));
rpass.set_index_buffer(self.index_buffer.slice(..idx_size), wgpu::IndexFormat::Uint32);
rpass.draw_indexed(0..self.index_count as u32, 0, 0..1);
}
} }