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Diffstat (limited to 'helix-ui/src/shader.wgsl')
| -rw-r--r-- | helix-ui/src/shader.wgsl | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/helix-ui/src/shader.wgsl b/helix-ui/src/shader.wgsl new file mode 100644 index 00000000..bb529648 --- /dev/null +++ b/helix-ui/src/shader.wgsl @@ -0,0 +1,28 @@ + +// struct Vertex { +// [[location(0)]] position: vec2<f32>; +// }; + +struct View { + size: vec2<f32>; +}; + +[[group(0), binding(0)]] +var<uniform> view: View; + +[[stage(vertex)]] +fn vs_main([[location(0)]] input: vec2<f32>) -> [[builtin(position)]] vec4<f32> { + // TODO: scale by hidpi factor? + return vec4<f32>( + + 2.0 * input.x / view.size.x - 1.0, + 1.0 - 2.0 * input.y / view.size.y, + // input.xy / view.size.xy * 2.0, + 0.0, 1.0 + ); +} + +[[stage(fragment)]] +fn fs_main() -> [[location(0)]] vec4<f32> { + return vec4<f32>(1.0, 1.0, 1.0, 1.0); +} |