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v0.7.0: SDL-free wasm worker backend (WebGPU + WebGL2) with on-demand assets

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The engine now runs on a plain Web Worker (no SDL, no PROXY_TO_PTHREAD: in a pthread Emscripten proxies every filesystem syscall to the main browser thread, where synchronous XHR - and thus FS.createLazyFile - is forbidden). A page/worker pair transfers an OffscreenCanvas and forwards DOM input; assets load lazily from an embedded manifest, so entering a map fetches only that map and its tiles.

Presentation: ra3.webgpu (WebGPU via Emscripten's emdawnwebgpu port, WGSL shaders, the default on wasm) and ra3.wasmgl (WebGL2, GLSL ES). The legacy SDL ra3.webgl backend is removed.
This commit is contained in:
EnderTheCoder
2026-09-29 12:08:07 +08:00
parent 70d4beca4f
commit 889ce945f2
27 changed files with 2161 additions and 639 deletions
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.gitlab-ci.yml
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@@ -326,7 +326,7 @@ build_wasm:
- retry docker pull $IMAGE:$CI_COMMIT_SHORT_SHA-wasm
- docker run --rm -v "$(pwd):/work" -w /work $IMAGE:$CI_COMMIT_SHORT_SHA-wasm cmake -S . -B build/wasm -G Ninja -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/emscripten-wasm.cmake -DCMAKE_BUILD_TYPE=Release
- docker run --rm -v "$(pwd):/work" -w /work $IMAGE:$CI_COMMIT_SHORT_SHA-wasm cmake --build build/wasm -j
- docker run --rm -v "$(pwd):/work" -w /work $IMAGE:$CI_COMMIT_SHORT_SHA-wasm bash -c "mkdir -p artifacts/wasm && cp build/wasm/bin/openra3.html build/wasm/bin/openra3.js build/wasm/bin/openra3.wasm build/wasm/bin/openra3.data artifacts/wasm/ 2>/dev/null || cp build/wasm/bin/openra3.html build/wasm/bin/openra3.js build/wasm/bin/openra3.wasm artifacts/wasm/"
- docker run --rm -v "$(pwd):/work" -w /work $IMAGE:$CI_COMMIT_SHORT_SHA-wasm bash -c "mkdir -p artifacts/wasm && cp build/wasm/bin/index.html build/wasm/bin/openra3.js build/wasm/bin/openra3.wasm build/wasm/bin/openra3.worker.js artifacts/wasm/ && cp build/wasm/bin/openra3.data artifacts/wasm/ 2>/dev/null || true"
artifacts:
name: "$CI_PROJECT_NAME-wasm-$CI_COMMIT_SHORT_SHA"
paths: