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feat(webgl): Migrate to pure WebGL 2.0 and fix GL canvas layering

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Update submodules and build config for pure WebGL 2.0 (drop -sFULL_ES3):
- kicad: VBO-based drawing, compositor FBO rewrite, shader conversion
- wxwidgets: Fix z-index layering so GL canvas renders above 2D UI canvas
- Build: Remove FULL_ES3 from linker flags
- GAL tests: White background, opaque alpha, shared shader converter,
  updated baseline screenshots

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi 2026-03-20 12:38:24 +01:00
commit 6fa6c9207f
56 changed files with 32 additions and 196 deletions
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2
scripts/kicad/build-pcbnew.sh
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@ -243,7 +243,7 @@ emcmake cmake "${KICAD_DIR}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DCMAKE_CXX_FLAGS="${EXTRA_FLAGS} -pthread -sUSE_ZLIB=1 -DKICAD_USE_PLATFORM_WASM=1 -I${SYSROOT}/include -I${STUBS_DIR}" \
-DCMAKE_C_FLAGS="${EXTRA_FLAGS} -pthread -sUSE_ZLIB=1 -I${SYSROOT}/include -I${STUBS_DIR}" \
-DCMAKE_EXE_LINKER_FLAGS="${LINKER_DEBUG_FLAGS} -pthread -sUSE_ZLIB=1 -sASYNCIFY=1 -sDYNCALLS=1 -sASYNCIFY_STACK_SIZE=65536 -sUSE_PTHREADS=1 -sPTHREAD_POOL_SIZE='navigator.hardwareConcurrency' -sPTHREAD_POOL_SIZE_STRICT=0 -sALLOW_MEMORY_GROWTH=1 -sINITIAL_MEMORY=256MB -sMAXIMUM_MEMORY=4GB -sMAX_WEBGL_VERSION=2 -sFULL_ES3=1 -sEXPORTED_RUNTIME_METHODS=['ccall','cwrap','UTF8ToString','stringToUTF8','lengthBytesUTF8','dynCall'] -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=['\$dynCall'] --bind -L${SYSROOT}/lib ${STUBS_BUILD}/libgit2_stub.a ${STUBS_BUILD}/libcurl_stub.a ${STUBS_BUILD}/libpcbnew_scripting_stub.a ${STUBS_BUILD}/libnng_stub.a ${STUBS_BUILD}/pcbnew_embind.o" \
-DCMAKE_EXE_LINKER_FLAGS="${LINKER_DEBUG_FLAGS} -pthread -sUSE_ZLIB=1 -sASYNCIFY=1 -sDYNCALLS=1 -sASYNCIFY_STACK_SIZE=65536 -sUSE_PTHREADS=1 -sPTHREAD_POOL_SIZE='navigator.hardwareConcurrency' -sPTHREAD_POOL_SIZE_STRICT=0 -sALLOW_MEMORY_GROWTH=1 -sINITIAL_MEMORY=256MB -sMAXIMUM_MEMORY=4GB -sMAX_WEBGL_VERSION=2 -sEXPORTED_RUNTIME_METHODS=['ccall','cwrap','UTF8ToString','stringToUTF8','lengthBytesUTF8','dynCall'] -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=['\$dynCall'] --bind -L${SYSROOT}/lib ${STUBS_BUILD}/libgit2_stub.a ${STUBS_BUILD}/libcurl_stub.a ${STUBS_BUILD}/libpcbnew_scripting_stub.a ${STUBS_BUILD}/libnng_stub.a ${STUBS_BUILD}/pcbnew_embind.o" \
-DCMAKE_PREFIX_PATH="${SYSROOT};${WX_BUILD}" \
-DwxWidgets_CONFIG_EXECUTABLE="${WX_BUILD}/wx-config" \
\