From 744bcadfe8f4bb1b2d4f1daf9f880fa511d65405 Mon Sep 17 00:00:00 2001 From: skal Date: Mon, 9 Feb 2026 13:59:07 +0100 Subject: feat(gpu): Phase 2 - Add gen_perlin and gen_grid GPU compute shaders Complete Phase 2 implementation: - gen_perlin.wgsl: FBM with configurable octaves, amplitude decay - gen_grid.wgsl: Grid pattern with configurable spacing/thickness - TextureManager extensions: create_gpu_perlin_texture(), create_gpu_grid_texture() - Asset packer now validates gen_noise, gen_perlin, gen_grid for PROC_GPU() - 3 compute pipelines (lazy-init on first use) Shader parameters: - gen_perlin: seed, frequency, amplitude, amplitude_decay, octaves (32 bytes) - gen_grid: width, height, grid_size, thickness (16 bytes) test_3d_render migration: - Replaced CPU sky texture (gen_perlin) with GPU version - Replaced CPU noise texture (gen_noise) with GPU version - Added new GPU grid texture (256x256, 32px grid, 2px lines) Size impact: - gen_perlin.wgsl: ~200 bytes (compressed) - gen_grid.wgsl: ~100 bytes (compressed) - Total Phase 2 code: ~300 bytes - Cumulative (Phase 1+2): ~600 bytes Testing: - All 34 tests passing (100%) - test_gpu_procedural validates all generators - test_3d_render uses 3 GPU textures (noise, perlin, grid) Next: Phase 3 - Variable dimensions, async generation, pipeline caching Co-Authored-By: Claude Sonnet 4.5 --- assets/final/demo_assets.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'assets/final/demo_assets.txt') diff --git a/assets/final/demo_assets.txt b/assets/final/demo_assets.txt index 1fdf2b4..0f7c267 100644 --- a/assets/final/demo_assets.txt +++ b/assets/final/demo_assets.txt @@ -53,6 +53,8 @@ MESH_CUBE, NONE, test_mesh.obj, "A simple cube mesh" DODECAHEDRON, NONE, dodecahedron.obj, "A dodecahedron mesh" SHADER_VIGNETTE, NONE, shaders/vignette.wgsl, "Vignette Shader" SHADER_COMPUTE_GEN_NOISE, NONE, shaders/compute/gen_noise.wgsl, "GPU Noise Compute Shader" +SHADER_COMPUTE_GEN_PERLIN, NONE, shaders/compute/gen_perlin.wgsl, "GPU Perlin Noise Compute Shader" +SHADER_COMPUTE_GEN_GRID, NONE, shaders/compute/gen_grid.wgsl, "GPU Grid Compute Shader" CIRCLE_MASK_COMPUTE_SHADER, NONE, shaders/circle_mask_compute.wgsl, "Circle mask compute shader" CIRCLE_MASK_RENDER_SHADER, NONE, shaders/circle_mask_render.wgsl, "Circle mask render shader" MASKED_CUBE_SHADER, NONE, shaders/masked_cube.wgsl, "Masked cube shader" -- cgit v1.2.3