54 lines
1.3 KiB
WebGPU Shading Language
54 lines
1.3 KiB
WebGPU Shading Language
// Vertex shader bindings
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struct VertexOutput {
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[[location(0)]] tex_coord: vec2<f32>;
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[[builtin(position)]] position: vec4<f32>;
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};
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[[block]] struct Locals {
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transform: mat4x4<f32>;
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};
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[[group(0), binding(2)]] var r_locals: Locals;
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let positions: array<vec2<f32>, 6> = array<vec2<f32>, 6>(
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// Upper left triangle
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vec2<f32>(-1.0, -1.0),
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vec2<f32>(1.0, -1.0),
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vec2<f32>(-1.0, 1.0),
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// Lower right triangle
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vec2<f32>(-1.0, 1.0),
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vec2<f32>(1.0, -1.0),
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vec2<f32>(1.0, 1.0),
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);
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let uv: array<vec2<f32>, 6> = array<vec2<f32>, 6>(
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// Upper left triangle
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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>(0.0, 1.0),
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// Lower right triangle
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vec2<f32>(0.0, 1.0),
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vec2<f32>(1.0, 0.0),
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vec2<f32>(1.0, 1.0),
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);
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[[stage(vertex)]]
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fn vs_main([[builtin(vertex_index)]] vertex_index: u32) -> VertexOutput {
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var out: VertexOutput;
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out.tex_coord = uv[vertex_index];
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out.position = r_locals.transform * vec4<f32>(positions[vertex_index], 0.0, 1.0);
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return out;
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}
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// Fragment shader bindings
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[[group(0), binding(0)]] var r_tex_color: texture_2d<f32>;
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[[group(0), binding(1)]] var r_tex_sampler: sampler;
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[[stage(fragment)]]
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fn fs_main([[location(0)]] tex_coord: vec2<f32>) -> [[location(0)]] vec4<f32> {
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return textureSample(r_tex_color, r_tex_sampler, tex_coord);
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}
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