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var<private> positions: array<vec2<f32>, 6> = array<vec2<f32>, 6>(
vec2<f32>(-1.0, 1.0),
vec2<f32>(-1.0, -1.0),
vec2<f32>(1.0, -1.0),
vec2<f32>(-1.0, 1.0),
vec2<f32>(1.0, 1.0),
vec2<f32>(1.0, -1.0)
);
var<private> uvs: array<vec2<f32>, 6> = array<vec2<f32>, 6>(
vec2<f32>(0.0, 0.0),
vec2<f32>(0.0, 1.0),
vec2<f32>(1.0, 1.0),
vec2<f32>(0.0, 0.0),
vec2<f32>(1.0, 0.0),
vec2<f32>(1.0, 1.0)
);
[[group(0), binding(0)]] var u_sampler: sampler;
[[group(1), binding(0)]] var u_texture: texture_2d<f32>;
struct VertexInput {
[[builtin(vertex_index)]] vertex_index: u32;
};
struct VertexOutput {
[[builtin(position)]] position: vec4<f32>;
[[location(0)]] uv: vec2<f32>;
};
[[stage(vertex)]]
fn vs_main(input: VertexInput) -> VertexOutput {
var out: VertexOutput;
out.uv = uvs[input.vertex_index];
out.position = vec4<f32>(positions[input.vertex_index], 0.0, 1.0);
return out;
}
[[stage(fragment)]]
fn fs_main(input: VertexOutput) -> [[location(0)]] vec4<f32> {
return textureSample(u_texture, u_sampler, input.uv);
}
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