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-rw-r--r--wgpu/src/quad.rs166
1 files changed, 79 insertions, 87 deletions
diff --git a/wgpu/src/quad.rs b/wgpu/src/quad.rs
index 0c2d2244..24d20cfa 100644
--- a/wgpu/src/quad.rs
+++ b/wgpu/src/quad.rs
@@ -1,8 +1,10 @@
use crate::Transformation;
+use iced_graphics::layer;
use iced_native::Rectangle;
+use bytemuck::{Pod, Zeroable};
use std::mem;
-use zerocopy::AsBytes;
+use wgpu::util::DeviceExt;
#[derive(Debug)]
pub struct Pipeline {
@@ -18,51 +20,55 @@ impl Pipeline {
pub fn new(device: &wgpu::Device, format: wgpu::TextureFormat) -> Pipeline {
let constant_layout =
device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
- label: None,
- bindings: &[wgpu::BindGroupLayoutEntry {
+ label: Some("iced_wgpu::quad uniforms layout"),
+ entries: &[wgpu::BindGroupLayoutEntry {
binding: 0,
visibility: wgpu::ShaderStage::VERTEX,
- ty: wgpu::BindingType::UniformBuffer { dynamic: false },
+ ty: wgpu::BindingType::UniformBuffer {
+ dynamic: false,
+ min_binding_size: wgpu::BufferSize::new(
+ mem::size_of::<Uniforms>() as u64,
+ ),
+ },
+ count: None,
}],
});
- let constants_buffer = device.create_buffer_with_data(
- Uniforms::default().as_bytes(),
- wgpu::BufferUsage::UNIFORM | wgpu::BufferUsage::COPY_DST,
- );
+ let constants_buffer = device.create_buffer(&wgpu::BufferDescriptor {
+ label: Some("iced_wgpu::quad uniforms buffer"),
+ size: mem::size_of::<Uniforms>() as u64,
+ usage: wgpu::BufferUsage::UNIFORM | wgpu::BufferUsage::COPY_DST,
+ mapped_at_creation: false,
+ });
let constants = device.create_bind_group(&wgpu::BindGroupDescriptor {
- label: None,
+ label: Some("iced_wgpu::quad uniforms bind group"),
layout: &constant_layout,
- bindings: &[wgpu::Binding {
+ entries: &[wgpu::BindGroupEntry {
binding: 0,
- resource: wgpu::BindingResource::Buffer {
- buffer: &constants_buffer,
- range: 0..std::mem::size_of::<Uniforms>() as u64,
- },
+ resource: wgpu::BindingResource::Buffer(
+ constants_buffer.slice(..),
+ ),
}],
});
let layout =
device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
+ label: Some("iced_wgpu::quad pipeline layout"),
+ push_constant_ranges: &[],
bind_group_layouts: &[&constant_layout],
});
- let vs = include_bytes!("shader/quad.vert.spv");
- let vs_module = device.create_shader_module(
- &wgpu::read_spirv(std::io::Cursor::new(&vs[..]))
- .expect("Read quad vertex shader as SPIR-V"),
- );
+ let vs_module = device
+ .create_shader_module(wgpu::include_spirv!("shader/quad.vert.spv"));
- let fs = include_bytes!("shader/quad.frag.spv");
- let fs_module = device.create_shader_module(
- &wgpu::read_spirv(std::io::Cursor::new(&fs[..]))
- .expect("Read quad fragment shader as SPIR-V"),
- );
+ let fs_module = device
+ .create_shader_module(wgpu::include_spirv!("shader/quad.frag.spv"));
let pipeline =
device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
- layout: &layout,
+ label: Some("iced_wgpu::quad pipeline"),
+ layout: Some(&layout),
vertex_stage: wgpu::ProgrammableStageDescriptor {
module: &vs_module,
entry_point: "main",
@@ -74,9 +80,7 @@ impl Pipeline {
rasterization_state: Some(wgpu::RasterizationStateDescriptor {
front_face: wgpu::FrontFace::Cw,
cull_mode: wgpu::CullMode::None,
- depth_bias: 0,
- depth_bias_slope_scale: 0.0,
- depth_bias_clamp: 0.0,
+ ..Default::default()
}),
primitive_topology: wgpu::PrimitiveTopology::TriangleList,
color_states: &[wgpu::ColorStateDescriptor {
@@ -107,7 +111,7 @@ impl Pipeline {
}],
},
wgpu::VertexBufferDescriptor {
- stride: mem::size_of::<Quad>() as u64,
+ stride: mem::size_of::<layer::Quad>() as u64,
step_mode: wgpu::InputStepMode::Instance,
attributes: &[
wgpu::VertexAttributeDescriptor {
@@ -149,20 +153,25 @@ impl Pipeline {
alpha_to_coverage_enabled: false,
});
- let vertices = device.create_buffer_with_data(
- QUAD_VERTS.as_bytes(),
- wgpu::BufferUsage::VERTEX,
- );
+ let vertices =
+ device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+ label: Some("iced_wgpu::quad vertex buffer"),
+ contents: bytemuck::cast_slice(&QUAD_VERTS),
+ usage: wgpu::BufferUsage::VERTEX,
+ });
- let indices = device.create_buffer_with_data(
- QUAD_INDICES.as_bytes(),
- wgpu::BufferUsage::INDEX,
- );
+ let indices =
+ device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+ label: Some("iced_wgpu::quad index buffer"),
+ contents: bytemuck::cast_slice(&QUAD_INDICES),
+ usage: wgpu::BufferUsage::INDEX,
+ });
let instances = device.create_buffer(&wgpu::BufferDescriptor {
- label: None,
- size: mem::size_of::<Quad>() as u64 * Quad::MAX as u64,
+ label: Some("iced_wgpu::quad instance buffer"),
+ size: mem::size_of::<layer::Quad>() as u64 * MAX_INSTANCES as u64,
usage: wgpu::BufferUsage::VERTEX | wgpu::BufferUsage::COPY_DST,
+ mapped_at_creation: false,
});
Pipeline {
@@ -178,8 +187,9 @@ impl Pipeline {
pub fn draw(
&mut self,
device: &wgpu::Device,
+ staging_belt: &mut wgpu::util::StagingBelt,
encoder: &mut wgpu::CommandEncoder,
- instances: &[Quad],
+ instances: &[layer::Quad],
transformation: Transformation,
scale: f32,
bounds: Rectangle<u32>,
@@ -187,39 +197,38 @@ impl Pipeline {
) {
let uniforms = Uniforms::new(transformation, scale);
- let constants_buffer = device.create_buffer_with_data(
- uniforms.as_bytes(),
- wgpu::BufferUsage::COPY_SRC,
- );
+ {
+ let mut constants_buffer = staging_belt.write_buffer(
+ encoder,
+ &self.constants_buffer,
+ 0,
+ wgpu::BufferSize::new(mem::size_of::<Uniforms>() as u64)
+ .unwrap(),
+ device,
+ );
- encoder.copy_buffer_to_buffer(
- &constants_buffer,
- 0,
- &self.constants_buffer,
- 0,
- std::mem::size_of::<Uniforms>() as u64,
- );
+ constants_buffer.copy_from_slice(bytemuck::bytes_of(&uniforms));
+ }
let mut i = 0;
let total = instances.len();
while i < total {
- let end = (i + Quad::MAX).min(total);
+ let end = (i + MAX_INSTANCES).min(total);
let amount = end - i;
- let instance_buffer = device.create_buffer_with_data(
- &instances[i..end].as_bytes(),
- wgpu::BufferUsage::COPY_SRC,
- );
+ let instance_bytes = bytemuck::cast_slice(&instances[i..end]);
- encoder.copy_buffer_to_buffer(
- &instance_buffer,
- 0,
+ let mut instance_buffer = staging_belt.write_buffer(
+ encoder,
&self.instances,
0,
- (mem::size_of::<Quad>() * amount) as u64,
+ wgpu::BufferSize::new(instance_bytes.len() as u64).unwrap(),
+ device,
);
+ instance_buffer.copy_from_slice(instance_bytes);
+
{
let mut render_pass =
encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
@@ -227,13 +236,9 @@ impl Pipeline {
wgpu::RenderPassColorAttachmentDescriptor {
attachment: target,
resolve_target: None,
- load_op: wgpu::LoadOp::Load,
- store_op: wgpu::StoreOp::Store,
- clear_color: wgpu::Color {
- r: 0.0,
- g: 0.0,
- b: 0.0,
- a: 0.0,
+ ops: wgpu::Operations {
+ load: wgpu::LoadOp::Load,
+ store: true,
},
},
],
@@ -242,9 +247,9 @@ impl Pipeline {
render_pass.set_pipeline(&self.pipeline);
render_pass.set_bind_group(0, &self.constants, &[]);
- render_pass.set_index_buffer(&self.indices, 0, 0);
- render_pass.set_vertex_buffer(0, &self.vertices, 0, 0);
- render_pass.set_vertex_buffer(1, &self.instances, 0, 0);
+ render_pass.set_index_buffer(self.indices.slice(..));
+ render_pass.set_vertex_buffer(0, self.vertices.slice(..));
+ render_pass.set_vertex_buffer(1, self.instances.slice(..));
render_pass.set_scissor_rect(
bounds.x,
bounds.y,
@@ -260,13 +265,13 @@ impl Pipeline {
);
}
- i += Quad::MAX;
+ i += MAX_INSTANCES;
}
}
}
#[repr(C)]
-#[derive(Clone, Copy, AsBytes)]
+#[derive(Clone, Copy, Zeroable, Pod)]
pub struct Vertex {
_position: [f32; 2],
}
@@ -288,23 +293,10 @@ const QUAD_VERTS: [Vertex; 4] = [
},
];
-#[repr(C)]
-#[derive(Debug, Clone, Copy, AsBytes)]
-pub struct Quad {
- pub position: [f32; 2],
- pub scale: [f32; 2],
- pub color: [f32; 4],
- pub border_color: [f32; 4],
- pub border_radius: f32,
- pub border_width: f32,
-}
-
-impl Quad {
- const MAX: usize = 100_000;
-}
+const MAX_INSTANCES: usize = 100_000;
#[repr(C)]
-#[derive(Debug, Clone, Copy, AsBytes)]
+#[derive(Debug, Clone, Copy, Zeroable, Pod)]
struct Uniforms {
transform: [f32; 16],
scale: f32,
generated by cgit (git 2.34.1) at 2025-05-20 07:13:14 +0000