From b2ede3f0680edc894a54e28374cb87ab2690afa2 Mon Sep 17 00:00:00 2001
From: skal <pascal.massimino@gmail.com>
Date: Mon, 16 Feb 2026 14:32:59 +0100
Subject: refactor: remove v2 versioning artifacts, establish Sequence as
 canonical system
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Complete v1→v2 migration cleanup: rename 29 files (sequence_v2→sequence, effect_v2→effect, 14 effect files, 8 shaders, compiler, docs), update all class names and references across 54 files. Archive v1 timeline. System now uses standard naming with all versioning removed. 30/34 tests passing.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 src/gpu/effect.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/gpu/effect.h

(limited to 'src/gpu/effect.h')

diff --git a/src/gpu/effect.h b/src/gpu/effect.h
new file mode 100644
index 0000000..d40e750
--- /dev/null
+++ b/src/gpu/effect.h
@@ -0,0 +1,50 @@
+// Effect: Base class for effects with multi-input/multi-output support
+
+#ifndef EFFECT_H
+#define EFFECT_H
+#pragma once
+
+#include "gpu/gpu.h"
+#include "gpu/sequence.h"
+#include <string>
+#include <vector>
+
+class NodeRegistry;
+
+class Effect {
+ public:
+  Effect(const GpuContext& ctx, const std::vector<std::string>& inputs,
+         const std::vector<std::string>& outputs);
+  virtual ~Effect() = default;
+
+  // Optional: Declare temporary nodes (e.g., multi-pass intermediate buffers)
+  virtual void declare_nodes(NodeRegistry& registry) {
+    (void)registry;
+  }
+
+  // Render effect (multi-input/multi-output)
+  virtual void render(WGPUCommandEncoder encoder,
+                      const UniformsSequenceParams& params,
+                      NodeRegistry& nodes) = 0;
+
+  // Resize notification
+  virtual void resize(int width, int height) {
+    width_ = width;
+    height_ = height;
+  }
+
+  const std::vector<std::string>& input_nodes() const {
+    return input_nodes_;
+  }
+  const std::vector<std::string>& output_nodes() const {
+    return output_nodes_;
+  }
+
+ protected:
+  const GpuContext& ctx_;
+  std::vector<std::string> input_nodes_;
+  std::vector<std::string> output_nodes_;
+  int width_ = 1280;
+  int height_ = 720;
+};
+#endif // EFFECT_H
-- 
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