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108 commits 3 branches 7 tags 91 MiB
Commit graph pcbjam/tests/e2e/gal-webgl.spec.ts
Author SHA1 Message Date
Viktor Vaczi
6c2cf85177 feat(webgl): Fix GL initialization and add GLSL ES shader conversion 
Progress on WEBGL_GAL rendering:

- Fix GLImmediateShim initialization by adding GL function dependencies
  (glBegin, glEnd, glVertex2f, etc.) to $GLImmediateShim__deps
- Add COLOR4D(EDA_COLOR_T) constructor stub to wasm_stubs.cpp
- Fix GAL context locking - add LockContext/UnlockContext calls
- Add exception catching to build (-sNO_DISABLE_EXCEPTION_CATCHING)
- Create GLSL ES 1.00 shader converter in generate_shaders.py:
  - Remove #version 120 directive (ES 1.00 default)
  - Add precision highp float/int qualifiers
  - Convert int * float to float literals (2 * x -> 2.0 * x)
- Update build script to clean output files for linker flag changes
- Add console capture to test spec for debugging

Current status:
- WASM builds and loads successfully
- GLImmediateShim initializes correctly
- WEBGL_GAL creates successfully
- Shader compilation fails due to Emscripten LEGACY_GL_EMULATION
  prepending code that conflicts with custom shader precision

Next: Investigate shader compilation with LEGACY_GL_EMULATION or
consider alternative approaches for GL compatibility.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-07 21:59:21 +01:00
Viktor Vaczi
c23bc974be feat(webgl): Wire up WEBGL_GAL test harness with proper canvas setup 
- Add wasm_stubs.cpp with WASM-specific stub implementations for
  COLOR4D::BLACK/WHITE, GLU tesselator, PGM_BASE, and other KiCad
  dependencies
- Update Makefile to include KiCad sources (GAL base class, display
  options, HiDPI canvas) and test scenarios
- Fix kiglew.h to define GLEW guard (__glew_h__) preventing conflicts
  with Emscripten's GLEW header
- Update test HTML to create canvas before module load (MODULARIZE
  requires passing canvas in Module config, not preRun)
- Update Playwright tests to find canvas elements correctly
- Add #window-container for wxWidgets GL canvas support

Build produces 8.4MB WASM with full WEBGL_GAL implementation.
Tests pass but rendering still shows dark output (debugging in progress).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-07 21:32:53 +01:00
Viktor Vaczi
a4f444fea8 feat(webgl): Add WebGL GAL test infrastructure (Phase 1) 
Add complete test infrastructure for WebGL GAL visual regression testing:

- scripts/test-gal-regression.sh: Master script that builds both backends,
  runs tests, and performs two-level comparison (native vs baseline,
  webgl vs native)
- scripts/build-gal-webgl-test.sh: WASM build using Makefile with em++
- tests/gal-regression/wasm/: WebGL test harness (stub WEBGL_GAL)
- tests/e2e/gal-webgl.spec.ts: Playwright test for screenshot capture

Fix Homebrew Emscripten environment in scripts/common/env.sh:
- Set EMSDK_PYTHON for Python 3.10+ (em++ reads this, not $PYTHON)
- Add bundled LLVM to PATH (Emscripten needs its clang with WASM backend)

Verified: Native vs Baseline passes (28/28), WebGL generates blank
screenshots as expected (WEBGL_GAL implementation is Phase 2).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-07 16:11:31 +01:00