Fix pbr_demo, multi_light_demo, and shadow_demo to use the new 7-param create_pbr_pipeline with PBR texture bind group (4-entry: albedo+normal) and IBL bind group. Create ibl_demo showcasing a 7x7 metallic/roughness sphere grid with IBL-based ambient lighting via BRDF LUT integration. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
831 B
831 B