diff options
Diffstat (limited to 'rust/crates/gpu/src/shaders/jfa_init.wgsl')
| -rw-r--r-- | rust/crates/gpu/src/shaders/jfa_init.wgsl | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/rust/crates/gpu/src/shaders/jfa_init.wgsl b/rust/crates/gpu/src/shaders/jfa_init.wgsl deleted file mode 100644 index 29aa38c7..00000000 --- a/rust/crates/gpu/src/shaders/jfa_init.wgsl +++ /dev/null @@ -1,35 +0,0 @@ -struct VertexOutput { - @builtin(position) position: vec4f, - @location(0) tex_coord: vec2f, -} - -struct JfaInitUniforms { - resolution: vec2f, - invert: f32, - _padding: f32, -} - -@group(0) @binding(0) var input_texture: texture_2d<f32>; -@group(0) @binding(1) var input_sampler: sampler; -@group(1) @binding(0) var<uniform> uniforms: JfaInitUniforms; - -fn encode_seed(seed: vec2f) -> vec4f { - let x_hi = floor(seed.x / 256.0); - let x_lo = seed.x - (x_hi * 256.0); - let y_hi = floor(seed.y / 256.0); - let y_lo = seed.y - (y_hi * 256.0); - return vec4f(x_hi / 255.0, x_lo / 255.0, y_hi / 255.0, y_lo / 255.0); -} - -@fragment -fn fragment_main(input: VertexOutput) -> @location(0) vec4f { - let mask = textureSample(input_texture, input_sampler, input.tex_coord).r; - let is_seed = select(mask > 0.5, mask < 0.5, uniforms.invert > 0.5); - - if (is_seed) { - let pixel_coord = floor(input.tex_coord * uniforms.resolution); - return encode_seed(pixel_coord); - } - - return vec4f(1.0, 1.0, 1.0, 1.0); -} |
