From 8296fe5180b979b9d1f32f6375b41f0e0a8a399d Mon Sep 17 00:00:00 2001 From: skal Date: Sun, 8 Feb 2026 17:39:33 +0100 Subject: feat(gpu): Add parameter-driven ChromaAberrationEffect MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implements Task #73 - Extends shader parametrization system to ChromaAberrationEffect following the FlashEffect pattern. Changes: - Added ChromaAberrationParams struct (offset_scale, angle) - Added ChromaUniforms with proper WGSL alignment (32 bytes) - Updated shader to compute offset direction from angle parameter - Extended seq_compiler to parse offset/angle parameters - Updated demo.seq with 2 parameterized instances: * Line 50: offset=0.03 angle=0.785 (45° diagonal, stronger) * Line 76: offset=0.01 angle=1.57 (90° vertical, subtle) Technical details: - Backward-compatible default constructor maintained - Migrated from raw buffer to UniformBuffer - Shader computes direction: vec2(cos(angle), sin(angle)) - Generated code creates ChromaAberrationParams initialization Testing: - All 32/32 tests pass - Demo runs without errors - Binary size: 5.6M stripped (~200-300 bytes impact) Co-Authored-By: Claude Sonnet 4.5 --- src/audio/audio.cc | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'src/audio') diff --git a/src/audio/audio.cc b/src/audio/audio.cc index d3880f0..2f485a6 100644 --- a/src/audio/audio.cc +++ b/src/audio/audio.cc @@ -134,9 +134,9 @@ void audio_render_ahead(float music_time, float dt) { } // Clamp to desired chunk size - const int actual_samples = - (available_for_write < chunk_samples) ? available_for_write - : chunk_samples; + const int actual_samples = (available_for_write < chunk_samples) + ? available_for_write + : chunk_samples; const int actual_frames = actual_samples / RING_BUFFER_CHANNELS; // Render directly to ring buffer (NO COPY, NO ALLOCATION) @@ -167,9 +167,9 @@ void audio_render_ahead(float music_time, float dt) { float* second_ptr = g_ring_buffer.get_write_region(&second_avail); if (second_avail > 0) { const int remaining_samples = chunk_samples - actual_samples; - const int second_samples = - (second_avail < remaining_samples) ? second_avail - : remaining_samples; + const int second_samples = (second_avail < remaining_samples) + ? second_avail + : remaining_samples; const int second_frames = second_samples / RING_BUFFER_CHANNELS; synth_render(second_ptr, second_frames); -- cgit v1.2.3