1 files changed, 61 insertions, 0 deletions
diff --git a/src/shaders/postprocess_inline.wgsl b/src/shaders/postprocess_inline.wgsl
new file mode 100644
index 0000000..84ef3d3
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+++ b/src/shaders/postprocess_inline.wgsl
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+// Inline post-process functions for simple effects
+// Use these instead of separate effect classes for v2 sequences
+
+// Vignette: darkens edges based on distance from center
+fn apply_vignette(color: vec4f, uv: vec2f, radius: f32, softness: f32, intensity: f32) -> vec4f {
+  let d = distance(uv, vec2f(0.5, 0.5));
+  let vignette = smoothstep(radius, radius - softness, d);
+  return vec4f(color.rgb * mix(1.0, vignette, intensity), color.a);
+}
+
+// Flash: additive white flash
+fn apply_flash(color: vec4f, flash_intensity: f32) -> vec4f {
+  return color + vec4f(flash_intensity, flash_intensity, flash_intensity, 0.0);
+}
+
+// Fade: linear interpolation to target color
+fn apply_fade(color: vec4f, fade_amount: f32, fade_color: vec3f) -> vec4f {
+  return vec4f(mix(color.rgb, fade_color, fade_amount), color.a);
+}
+
+// Theme modulation: multiply by color tint
+fn apply_theme(color: vec4f, theme_color: vec3f, strength: f32) -> vec4f {
+  return vec4f(mix(color.rgb, color.rgb * theme_color, strength), color.a);
+}
+
+// Solarize: threshold-based color inversion
+fn apply_solarize(color: vec4f, threshold: f32, strength: f32, time: f32) -> vec4f {
+  let pattern_num = u32(time / 2.0);
+  let is_even = (pattern_num % 2u) == 0u;
+  let thr = threshold + 0.15 * sin(time);
+  var col = color;
+  
+  if (is_even) {
+    if (col.r < thr) { col.r = mix(col.r, 1.0 - col.r, strength); }
+    if (col.g < thr) { col.g = mix(col.g, 1.0 - col.g * 0.7, strength * 0.7); }
+    if (col.b < thr) { col.b = mix(col.b, col.b * 0.5, strength); }
+  } else {
+    if (col.r < thr) { col.r = mix(col.r, col.r * 0.6, strength); }
+    if (col.g < thr) { col.g = mix(col.g, 1.0 - col.g * 0.8, strength * 0.8); }
+    if (col.b < thr) { col.b = mix(col.b, 1.0 - col.b, strength); }
+  }
+  return col;
+}
+
+// Chroma aberration: RGB channel offset
+fn apply_chroma_aberration(input_tex: texture_2d<f32>, input_sampler: sampler, 
+                           uv: vec2f, offset: f32, resolution: vec2f) -> vec4f {
+  let pixel_offset = offset / resolution;
+  let r = textureSample(input_tex, input_sampler, uv + vec2f(pixel_offset.x, 0.0)).r;
+  let g = textureSample(input_tex, input_sampler, uv).g;
+  let b = textureSample(input_tex, input_sampler, uv - vec2f(pixel_offset.x, 0.0)).b;
+  let a = textureSample(input_tex, input_sampler, uv).a;
+  return vec4f(r, g, b, a);
+}
+
+// Distort: UV distortion based on time
+fn apply_distort(uv: vec2f, time: f32, strength: f32) -> vec2f {
+  let distort_x = sin(uv.y * 10.0 + time * 2.0) * strength;
+  let distort_y = cos(uv.x * 10.0 + time * 2.0) * strength;
+  return uv + vec2f(distort_x, distort_y);
+}