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/gpu/effects/shaders.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/gpu/effects/shaders.cc') diff --git a/src/gpu/effects/shaders.cc b/src/gpu/effects/shaders.cc index 51e6e41..380b5b4 100644 --- a/src/gpu/effects/shaders.cc +++ b/src/gpu/effects/shaders.cc @@ -33,7 +33,8 @@ void InitShaderComposer() { register_if_exists("common_uniforms", AssetId::ASSET_SHADER_COMMON_UNIFORMS); register_if_exists("math/sdf_shapes", AssetId::ASSET_SHADER_MATH_SDF_SHAPES); register_if_exists("math/sdf_utils", AssetId::ASSET_SHADER_MATH_SDF_UTILS); - register_if_exists("math/common_utils", AssetId::ASSET_SHADER_MATH_COMMON_UTILS); + register_if_exists("math/common_utils", + AssetId::ASSET_SHADER_MATH_COMMON_UTILS); register_if_exists("render/shadows", AssetId::ASSET_SHADER_RENDER_SHADOWS); register_if_exists("render/scene_query_bvh", AssetId::ASSET_SHADER_RENDER_SCENE_QUERY_BVH); -- cgit v1.2.3