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Specify struct for vertex shader input

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Hanno Braun 2022-10-13 12:01:47 +02:00
parent 9845024fe0
commit e892d8f3ff
1 changed files with 10 additions and 10 deletions
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20
crates/fj-viewer/src/graphics/shader.wgsl
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@ -1,3 +1,9 @@
struct VertexInput {
@location(0) position: vec3<f32>,
@location(1) normal: vec3<f32>,
@location(2) color: vec4<f32>,
}
struct VertexOutput {
@builtin(position) position: vec4<f32>,
@location(0) normal: vec3<f32>,
@ -13,18 +19,12 @@ struct Uniforms {
var<uniform> uniforms: Uniforms;
@vertex
fn vertex(
@location(0) position: vec3<f32>,
@location(1) normal: vec3<f32>,
@location(2) color: vec4<f32>,
)
-> VertexOutput
{
fn vertex(in: VertexInput) -> VertexOutput {
var out: VertexOutput;
out.normal = (uniforms.transform_normals * vec4<f32>(normal, 0.0)).xyz;
out.position = uniforms.transform * vec4<f32>(position, 1.0);
out.normal = (uniforms.transform_normals * vec4<f32>(in.normal, 0.0)).xyz;
out.position = uniforms.transform * vec4<f32>(in.position, 1.0);
// We use premultiplied alpha blending.
out.color = vec4<f32>(color.rgb * color.a, color.a);
out.color = vec4<f32>(in.color.rgb * in.color.a, in.color.a);
return out;
}