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use @interpolate(flat) attribute as per the WebGPU spec:

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User-defined vertex outputs and fragment inputs of scalar or vector integer type must always be specified as @interpolate(flat)

https://www.w3.org/TR/WGSL/#interpolation
This commit is contained in:
David Huculak 2023-09-03 19:32:38 -04:00
parent 9b9b37e6f8
commit 76cec1b1fd
2 changed files with 21 additions and 21 deletions
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20
wgpu/src/shader/triangle.wgsl
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@ -38,22 +38,22 @@ fn solid_fs_main(input: SolidVertexOutput) -> @location(0) vec4<f32> {
struct GradientVertexInput {
@location(0) v_pos: vec2<f32>,
@location(1) colors_1: vec4<u32>,
@location(2) colors_2: vec4<u32>,
@location(3) colors_3: vec4<u32>,
@location(4) colors_4: vec4<u32>,
@location(5) offsets: vec4<u32>,
@location(1) @interpolate(flat) colors_1: vec4<u32>,
@location(2) @interpolate(flat) colors_2: vec4<u32>,
@location(3) @interpolate(flat) colors_3: vec4<u32>,
@location(4) @interpolate(flat) colors_4: vec4<u32>,
@location(5) @interpolate(flat) offsets: vec4<u32>,
@location(6) direction: vec4<f32>,
}
struct GradientVertexOutput {
@builtin(position) position: vec4<f32>,
@location(0) raw_position: vec2<f32>,
@location(1) colors_1: vec4<u32>,
@location(2) colors_2: vec4<u32>,
@location(3) colors_3: vec4<u32>,
@location(4) colors_4: vec4<u32>,
@location(5) offsets: vec4<u32>,
@location(1) @interpolate(flat) colors_1: vec4<u32>,
@location(2) @interpolate(flat) colors_2: vec4<u32>,
@location(3) @interpolate(flat) colors_3: vec4<u32>,
@location(4) @interpolate(flat) colors_4: vec4<u32>,
@location(5) @interpolate(flat) offsets: vec4<u32>,
@location(6) direction: vec4<f32>,
}