diff options
Diffstat (limited to 'assets/final/shaders/chroma_aberration.wgsl')
| -rw-r--r-- | assets/final/shaders/chroma_aberration.wgsl | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/assets/final/shaders/chroma_aberration.wgsl b/assets/final/shaders/chroma_aberration.wgsl new file mode 100644 index 0000000..cd80afa --- /dev/null +++ b/assets/final/shaders/chroma_aberration.wgsl @@ -0,0 +1,30 @@ +@group(0) @binding(0) var smplr: sampler; +@group(0) @binding(1) var txt: texture_2d<f32>; + +struct Uniforms { + time: f32, + beat: f32, + intensity: f32, + aspect_ratio: f32, + resolution: vec2<f32>, +}; + +@group(0) @binding(2) var<uniform> uniforms: Uniforms; + +@vertex fn vs_main(@builtin(vertex_index) i: u32) -> @builtin(position) vec4<f32> { + var pos = array<vec2<f32>, 3>( + vec2<f32>(-1, -1), + vec2<f32>(3, -1), + vec2<f32>(-1, 3) + ); + return vec4<f32>(pos[i], 0.0, 1.0); +} + +@fragment fn fs_main(@builtin(position) p: vec4<f32>) -> @location(0) vec4<f32> { + let uv = p.xy / uniforms.resolution; + let off = 0.02 * uniforms.intensity; + let r = textureSample(txt, smplr, uv + vec2<f32>(off, 0.0)).r; + let g = textureSample(txt, smplr, uv).g; + let b = textureSample(txt, smplr, uv - vec2<f32>(off, 0.0)).b; + return vec4<f32>(r, g, b, 1.0); +} |
