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Compute vertex position in shader

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This commit is contained in:
Jim Eckerlein 2023-09-24 15:10:19 +02:00
parent bc9bb28b1c
commit 3f467d1212
6 changed files with 60 additions and 128 deletions
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64
wgpu/src/quad/gradient.rs
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@ -106,36 +106,32 @@ impl Pipeline {
vertex: wgpu::VertexState {
module: &shader,
entry_point: "gradient_vs_main",
buffers: &[
quad::Vertex::buffer_layout(),
wgpu::VertexBufferLayout {
array_stride: std::mem::size_of::<Gradient>()
as u64,
step_mode: wgpu::VertexStepMode::Instance,
attributes: &wgpu::vertex_attr_array!(
// Colors 1-2
1 => Uint32x4,
// Colors 3-4
2 => Uint32x4,
// Colors 5-6
3 => Uint32x4,
// Colors 7-8
4 => Uint32x4,
// Offsets 1-8
5 => Uint32x4,
// Direction
6 => Float32x4,
// Position & Scale
7 => Float32x4,
// Border color
8 => Float32x4,
// Border radius
9 => Float32x4,
// Border width
10 => Float32
),
},
],
buffers: &[wgpu::VertexBufferLayout {
array_stride: std::mem::size_of::<Gradient>() as u64,
step_mode: wgpu::VertexStepMode::Instance,
attributes: &wgpu::vertex_attr_array!(
// Colors 1-2
1 => Uint32x4,
// Colors 3-4
2 => Uint32x4,
// Colors 5-6
3 => Uint32x4,
// Colors 7-8
4 => Uint32x4,
// Offsets 1-8
5 => Uint32x4,
// Direction
6 => Float32x4,
// Position & Scale
7 => Float32x4,
// Border color
8 => Float32x4,
// Border radius
9 => Float32x4,
// Border width
10 => Float32
),
}],
},
fragment: Some(wgpu::FragmentState {
module: &shader,
@ -171,12 +167,8 @@ impl Pipeline {
render_pass.set_pipeline(&self.pipeline);
render_pass.set_bind_group(0, constants, &[]);
render_pass.set_vertex_buffer(1, layer.instances.slice(..));
render_pass.set_vertex_buffer(0, layer.instances.slice(..));
render_pass.draw_indexed(
0..quad::INDICES.len() as u32,
0,
range.start as u32..range.end as u32,
);
render_pass.draw(0..6, range.start as u32..range.end as u32);
}
}