37 lines
921 B
WebGPU Shading Language
37 lines
921 B
WebGPU Shading Language
var<private> uvs: array<vec2<f32>, 6> = array<vec2<f32>, 6>(
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vec2<f32>(0.0, 0.0),
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vec2<f32>(1.0, 0.0),
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vec2<f32>(1.0, 1.0),
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vec2<f32>(0.0, 0.0),
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vec2<f32>(0.0, 1.0),
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vec2<f32>(1.0, 1.0)
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);
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@group(0) @binding(0) var u_sampler: sampler;
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@group(0) @binding(1) var<uniform> u_ratio: vec2<f32>;
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@group(1) @binding(0) var u_texture: texture_2d<f32>;
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struct VertexInput {
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@builtin(vertex_index) vertex_index: u32,
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}
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struct VertexOutput {
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@builtin(position) position: vec4<f32>,
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@location(0) uv: vec2<f32>,
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}
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@vertex
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fn vs_main(input: VertexInput) -> VertexOutput {
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let uv = uvs[input.vertex_index];
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var out: VertexOutput;
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out.uv = uv * u_ratio;
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out.position = vec4<f32>(uv * vec2(2.0, -2.0) + vec2(-1.0, 1.0), 0.0, 1.0);
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return out;
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}
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@fragment
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fn fs_main(input: VertexOutput) -> @location(0) vec4<f32> {
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return textureSample(u_texture, u_sampler, input.uv);
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}
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