From 2e34965e5e48175c5ee6016af1a858f7f3f02c1d Mon Sep 17 00:00:00 2001 From: skal Date: Wed, 4 Feb 2026 11:56:03 +0100 Subject: feat(gpu): Implement recursive WGSL composition and modularize shaders (Task #50) - Updated ShaderComposer to support recursive #include "snippet_name" with cycle detection. - Extracted granular WGSL snippets: math/sdf_shapes, math/sdf_utils, render/shadows, render/scene_query, render/lighting_utils. - Refactored Renderer3D to use #include in shaders, simplifying C++ dependency lists. - Fixed WGPUShaderSourceWGSL usage on macOS to correctly handle composed shader strings. - Added comprehensive unit tests for recursive composition in test_shader_composer. - Verified system stability with test_3d_render and full test suite. - Marked Task #50 as recurrent for future code hygiene. --- assets/final/shaders/math/sdf_utils.wgsl | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 assets/final/shaders/math/sdf_utils.wgsl (limited to 'assets/final/shaders/math/sdf_utils.wgsl') diff --git a/assets/final/shaders/math/sdf_utils.wgsl b/assets/final/shaders/math/sdf_utils.wgsl new file mode 100644 index 0000000..ce902bf --- /dev/null +++ b/assets/final/shaders/math/sdf_utils.wgsl @@ -0,0 +1,9 @@ +fn get_normal_basic(p: vec3, obj_type: f32) -> vec3 { + if (obj_type == 1.0) { return normalize(p); } + let e = vec2(0.001, 0.0); + return normalize(vec3( + get_dist(p + e.xyy, obj_type) - get_dist(p - e.xyy, obj_type), + get_dist(p + e.yxy, obj_type) - get_dist(p - e.yxy, obj_type), + get_dist(p + e.yyx, obj_type) - get_dist(p - e.yyx, obj_type) + )); +} -- cgit v1.2.3