1 files changed, 0 insertions, 105 deletions
diff --git a/src/gpu/effects/theme_modulation_effect.cc b/src/gpu/effects/theme_modulation_effect.cc
deleted file mode 100644
index aff6bce..0000000
--- a/src/gpu/effects/theme_modulation_effect.cc
+++ /dev/null
@@ -1,105 +0,0 @@
-// This file is part of the 64k demo project.
-// It implements theme modulation (bright/dark alternation).
-
-#include "gpu/effects/theme_modulation_effect.h"
-#include "gpu/effects/post_process_helper.h"
-#include "gpu/effects/shaders.h"
-#include <cmath>
-
-struct ThemeModulationParams {
-  float theme_brightness;
-  float _pad[3];
-};
-static_assert(sizeof(ThemeModulationParams) == 16, "ThemeModulationParams must be 16 bytes for WGSL alignment");
-
-ThemeModulationEffect::ThemeModulationEffect(const GpuContext& ctx)
-    : PostProcessEffect(ctx) {
-  const char* shader_code = R"(
-    struct VertexOutput {
-      @builtin(position) position: vec4<f32>,
-      @location(0) uv: vec2<f32>,
-    };
-
-    struct CommonUniforms {
-      resolution: vec2<f32>,
-      _pad0: f32,
-      _pad1: f32,
-      aspect_ratio: f32,
-      time: f32,
-      beat: f32,
-      audio_intensity: f32,
-    };
-
-    struct ThemeModulationParams {
-      theme_brightness: f32,
-      _pad0: f32,
-      _pad1: f32,
-      _pad2: f32,
-    };
-
-    @group(0) @binding(0) var inputSampler: sampler;
-    @group(0) @binding(1) var inputTexture: texture_2d<f32>;
-    @group(0) @binding(2) var<uniform> uniforms: CommonUniforms;
-    @group(0) @binding(3) var<uniform> params: ThemeModulationParams;
-
-    @vertex
-    fn vs_main(@builtin(vertex_index) vertexIndex: u32) -> VertexOutput {
-      var output: VertexOutput;
-      // Large triangle trick for fullscreen coverage
-      var pos = array<vec2<f32>, 3>(
-        vec2<f32>(-1.0, -1.0),
-        vec2<f32>(3.0, -1.0),
-        vec2<f32>(-1.0, 3.0)
-      );
-      output.position = vec4<f32>(pos[vertexIndex], 0.0, 1.0);
-      output.uv = pos[vertexIndex] * 0.5 + 0.5;
-      return output;
-    }
-
-    @fragment
-    fn fs_main(input: VertexOutput) -> @location(0) vec4<f32> {
-      let color = textureSample(inputTexture, inputSampler, input.uv);
-      // Apply theme brightness modulation
-      return vec4<f32>(color.rgb * params.theme_brightness, color.a);
-    }
-  )";
-
-  pipeline_ =
-      create_post_process_pipeline(ctx_.device, ctx_.format, shader_code);
-
-  params_buffer_ = gpu_create_buffer(
-      ctx_.device, 16, WGPUBufferUsage_Uniform | WGPUBufferUsage_CopyDst);
-}
-
-void ThemeModulationEffect::update_bind_group(WGPUTextureView input_view) {
-  pp_update_bind_group(ctx_.device, pipeline_, &bind_group_, input_view,
-                       uniforms_.get(), params_buffer_);
-}
-
-void ThemeModulationEffect::render(WGPURenderPassEncoder pass,
-                                   const CommonPostProcessUniforms& uniforms) {
-  uniforms_.update(ctx_.queue, uniforms);
-
-  // Alternate between bright and dark every 4 seconds (2 pattern changes)
-  // Music patterns change every 2 seconds at 120 BPM
-  float cycle_time = fmodf(uniforms.time, 8.0f);        // 8 second cycle (4 patterns)
-  bool is_dark_section = (cycle_time >= 4.0f); // Dark for second half
-
-  // Smooth transition between themes using a sine wave
-  float transition =
-      (std::sin(uniforms.time * 3.14159f / 4.0f) + 1.0f) * 0.5f; // 0.0 to 1.0
-  float bright_value = 1.0f;
-  float dark_value = 0.35f;
-  float theme_brightness =
-      bright_value + (dark_value - bright_value) * transition;
-
-  // Update params buffer
-  ThemeModulationParams params = {theme_brightness, {0.0f, 0.0f, 0.0f}};
-  wgpuQueueWriteBuffer(ctx_.queue, params_buffer_.buffer, 0, &params,
-                       sizeof(params));
-
-  // Render
-  wgpuRenderPassEncoderSetPipeline(pass, pipeline_);
-  wgpuRenderPassEncoderSetBindGroup(pass, 0, bind_group_, 0, nullptr);
-  wgpuRenderPassEncoderDraw(pass, 3, 1, 0, 0);
-}