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-rw-r--r--workspaces/test/shaders/solarize.wgsl53
1 files changed, 53 insertions, 0 deletions
diff --git a/workspaces/test/shaders/solarize.wgsl b/workspaces/test/shaders/solarize.wgsl
new file mode 100644
index 0000000..de15dfc
--- /dev/null
+++ b/workspaces/test/shaders/solarize.wgsl
@@ -0,0 +1,53 @@
+@group(0) @binding(0) var smplr: sampler;
+@group(0) @binding(1) var txt: texture_2d<f32>;
+
+#include "common_uniforms"
+
+@group(0) @binding(2) var<uniform> uniforms: CommonUniforms;
+
+@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;
+ var col = textureSample(txt, smplr, uv);
+
+ // Patterns are 2 seconds long (120 BPM, 4 beats)
+ let pattern_num = u32(uniforms.time / 2.0);
+ let is_even_pattern = (pattern_num % 2u) == 0u;
+
+ // Reduced threshold range for subtler effect
+ let thr = 0.4 + 0.15 * sin(uniforms.time);
+ let solarize_strength = 0.4; // Reduced from 1.0 for less saturation
+
+ if (is_even_pattern) {
+ // Even patterns: Subtle red-orange tint
+ if (col.r < thr) {
+ col.r = mix(col.r, 1.0 - col.r, solarize_strength);
+ }
+ if (col.g < thr) {
+ col.g = mix(col.g, 1.0 - col.g * 0.7, solarize_strength * 0.7);
+ }
+ if (col.b < thr) {
+ col.b = mix(col.b, col.b * 0.5, solarize_strength);
+ }
+ } else {
+ // Odd patterns: Subtle blue-cyan tint
+ if (col.r < thr) {
+ col.r = mix(col.r, col.r * 0.6, solarize_strength);
+ }
+ if (col.g < thr) {
+ col.g = mix(col.g, 1.0 - col.g * 0.8, solarize_strength * 0.8);
+ }
+ if (col.b < thr) {
+ col.b = mix(col.b, 1.0 - col.b, solarize_strength);
+ }
+ }
+ return col;
+}