1 files changed, 38 insertions, 0 deletions
diff --git a/src/effects/chroma_aberration_effect.cc b/src/effects/chroma_aberration_effect.cc
new file mode 100644
index 0000000..a096f5b
--- /dev/null
+++ b/src/effects/chroma_aberration_effect.cc
@@ -0,0 +1,38 @@
+// This file is part of the 64k demo project.
+// It implements the ChromaAberrationEffect with parameterization.
+
+#include "gpu/demo_effects.h"
+#include "gpu/post_process_helper.h"
+#include "gpu/gpu.h"
+
+// --- ChromaAberrationEffect ---
+
+// Backward compatibility constructor (delegates to parameterized constructor)
+ChromaAberrationEffect::ChromaAberrationEffect(const GpuContext& ctx)
+    : ChromaAberrationEffect(ctx, ChromaAberrationParams{}) {
+}
+
+// Parameterized constructor
+ChromaAberrationEffect::ChromaAberrationEffect(
+    const GpuContext& ctx, const ChromaAberrationParams& params)
+    : PostProcessEffect(ctx), params_(params) {
+  pipeline_ = create_post_process_pipeline(ctx_.device, ctx_.format,
+                                           chroma_aberration_shader_wgsl);
+  params_buffer_.init(ctx_.device);
+}
+
+void ChromaAberrationEffect::render(WGPURenderPassEncoder pass,
+                                    const CommonPostProcessUniforms& uniforms) {
+  // Update uniforms with current state and parameters
+  uniforms_.update(ctx_.queue, uniforms);
+  params_buffer_.update(ctx_.queue, params_);
+
+  wgpuRenderPassEncoderSetPipeline(pass, pipeline_);
+  wgpuRenderPassEncoderSetBindGroup(pass, 0, bind_group_, 0, nullptr);
+  wgpuRenderPassEncoderDraw(pass, 3, 1, 0, 0);
+}
+
+void ChromaAberrationEffect::update_bind_group(WGPUTextureView input_view) {
+  pp_update_bind_group(ctx_.device, pipeline_, &bind_group_, input_view,
+                       uniforms_.get(), params_buffer_.get());
+}