bevy/assets/shaders/instancing.wgsl
François 814f8d1635 update wgpu to 0.13 (#5168)
# Objective

- Update wgpu to 0.13
- ~~Wait, is wgpu 0.13 released? No, but I had most of the changes already ready since playing with webgpu~~ well it has been released now
- Also update parking_lot to 0.12 and naga to 0.9

## Solution

- Update syntax for wgsl shaders https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#wgsl-syntax
- Add a few options, remove some references: https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#other-breaking-changes
- fragment inputs should now exactly match vertex outputs for locations, so I added exports for those to be able to reuse them https://github.com/gfx-rs/wgpu/pull/2704
2022-07-14 21:17:16 +00:00

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WebGPU Shading Language

#import bevy_pbr::mesh_types
#import bevy_pbr::mesh_view_bindings
@group(1) @binding(0)
var<uniform> mesh: Mesh;
// NOTE: Bindings must come before functions that use them!
#import bevy_pbr::mesh_functions
struct Vertex {
@location(0) position: vec3<f32>,
@location(1) normal: vec3<f32>,
@location(2) uv: vec2<f32>,
@location(3) i_pos_scale: vec4<f32>,
@location(4) i_color: vec4<f32>,
};
struct VertexOutput {
@builtin(position) clip_position: vec4<f32>,
@location(0) color: vec4<f32>,
};
@vertex
fn vertex(vertex: Vertex) -> VertexOutput {
let position = vertex.position * vertex.i_pos_scale.w + vertex.i_pos_scale.xyz;
var out: VertexOutput;
out.clip_position = mesh_position_local_to_clip(mesh.model, vec4<f32>(position, 1.0));
out.color = vertex.i_color;
return out;
}
@fragment
fn fragment(in: VertexOutput) -> @location(0) vec4<f32> {
return in.color;
}