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Finish clock example

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This commit is contained in:
Héctor Ramón Jiménez 2020-02-12 08:49:42 +01:00
parent f34407bfda
commit 578ea4abb8
11 changed files with 200 additions and 76 deletions
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76
wgpu/src/triangle.rs
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@ -1,6 +1,6 @@
//! Draw meshes of triangles.
use crate::Transformation;
use iced_native::Rectangle;
use iced_native::{Point, Rectangle};
use std::{mem, sync::Arc};
#[derive(Debug)]
@ -128,47 +128,28 @@ impl Pipeline {
encoder: &mut wgpu::CommandEncoder,
target: &wgpu::TextureView,
transformation: Transformation,
scale: f32,
meshes: &Vec<Arc<Mesh2D>>,
meshes: &Vec<(Point, Arc<Mesh2D>)>,
bounds: Rectangle<u32>,
) {
let uniforms = Uniforms {
transform: transformation.into(),
scale,
};
for (origin, mesh) in meshes {
let uniforms = Uniforms {
transform: (transformation
* Transformation::translate(origin.x, origin.y))
.into(),
};
let constants_buffer = device
.create_buffer_mapped(1, wgpu::BufferUsage::COPY_SRC)
.fill_from_slice(&[uniforms]);
let constants_buffer = device
.create_buffer_mapped(1, wgpu::BufferUsage::COPY_SRC)
.fill_from_slice(&[uniforms]);
encoder.copy_buffer_to_buffer(
&constants_buffer,
0,
&self.constants_buffer,
0,
std::mem::size_of::<Uniforms>() as u64,
);
encoder.copy_buffer_to_buffer(
&constants_buffer,
0,
&self.constants_buffer,
0,
std::mem::size_of::<Uniforms>() as u64,
);
let mut render_pass =
encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
color_attachments: &[
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,
},
},
],
depth_stencil_attachment: None,
});
for mesh in meshes {
let vertices_buffer = device
.create_buffer_mapped(
mesh.vertices.len(),
@ -183,6 +164,25 @@ impl Pipeline {
)
.fill_from_slice(&mesh.indices);
let mut render_pass =
encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
color_attachments: &[
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,
},
},
],
depth_stencil_attachment: None,
});
render_pass.set_pipeline(&self.pipeline);
render_pass.set_bind_group(0, &self.constants, &[]);
render_pass.set_index_buffer(&indices_buffer, 0);
@ -203,14 +203,12 @@ impl Pipeline {
#[derive(Debug, Clone, Copy)]
struct Uniforms {
transform: [f32; 16],
scale: f32,
}
impl Default for Uniforms {
fn default() -> Self {
Self {
transform: *Transformation::identity().as_ref(),
scale: 1.0,
}
}
}