// Copy shader - simple texture copy
struct VertexInput {
@location(0) position: vec3<f32>,
@location(1) uv: vec4<f32>,
};
struct VertexOutput {
@builtin(position) position: vec4<f32>,
@location(0) uv: vec2<f32>,
};
@group(0) @binding(0)
var input_texture: texture_2d<f32>;
@group(0) @binding(1)
var input_sampler: sampler;
@vertex
fn vs_main(input: VertexInput) -> VertexOutput {
var output: VertexOutput;
output.position = vec4<f32>(input.position.xy, 0.0, 1.0);
output.uv = input.uv.xy;
return output;
}
@fragment
fn fs_main(input: VertexOutput) -> @location(0) vec4<f32> {
return textureSample(input_texture, input_sampler, input.uv);
}