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25 lines
593 B
Plaintext
25 lines
593 B
Plaintext
// Vertex shader
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struct VertexOutput {
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@builtin(position) clip_position: vec4<f32>,
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@location(0) position: vec2<f32>,
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};
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@vertex
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fn vs_main(
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@builtin(vertex_index) in_vertex_index: u32,
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) -> VertexOutput {
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var out: VertexOutput;
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let x = f32(1 - i32(in_vertex_index)) * 0.5;
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let y = f32(i32(in_vertex_index & 1u) * 2 - 1) * 0.5;
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out.position = vec2<f32>(x, y);
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out.clip_position = vec4<f32>(x, y, 0.0, 1.0);
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return out;
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}
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// Fragment shader
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@fragment
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fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
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return vec4<f32>(in.position, 0.5, 1.0);
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} |