funman300 c68cf96488 fix(web): add WgpuSettingsPriority::WebGL2 for Chromium shader compatibility ...

Without this setting, wgpu's naga SPIR-V→GLSL translator uses features
unsupported by ANGLE (Chromium's WebGL2 implementation): storage buffers,
tight inter-stage component limits, etc. ANGLE rejects these shaders with
a fatal "Shader translation error" and a context-lost event.

WgpuSettingsPriority::WebGL2 constrains naga to emit GLES 300es-compatible
GLSL (same limits as WebGL2 spec: no storage buffers, max 31 inter-stage
components, max 255-byte vertex stride). Firefox was already permissive
enough to work without this; Chromium required it.

Result: game renders correctly in both Chromium (ANGLE/SwiftShader) and
Firefox (native WebGL2), with zero JS errors in both environments.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-06-01 14:24:27 -07:00

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