1 files changed, 20 insertions, 0 deletions
diff --git a/src/effects/theme_modulation_effect.h b/src/effects/theme_modulation_effect.h
new file mode 100644
index 0000000..e4d4e0a
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+++ b/src/effects/theme_modulation_effect.h
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+// This file is part of the 64k demo project.
+// It implements a theme modulation effect that alternates between bright and
+// dark. Pattern changes every 2 seconds, so we alternate every 4 seconds (2
+// patterns).
+
+#pragma once
+#include "gpu/effect.h"
+#include "gpu/post_process_helper.h"
+#include "gpu/uniform_helper.h"
+
+class ThemeModulationEffect : public PostProcessEffect {
+ public:
+  ThemeModulationEffect(const GpuContext& ctx);
+  void render(WGPURenderPassEncoder pass,
+              const CommonPostProcessUniforms& uniforms) override;
+  void update_bind_group(WGPUTextureView input_view) override;
+
+ private:
+  GpuBuffer params_buffer_;
+};