{"id":3609,"date":"2024-08-19T21:14:25","date_gmt":"2024-08-19T18:14:25","guid":{"rendered":"https:\/\/demensdeum.com\/blog\/2024\/08\/19\/bgfx-emscripten\/"},"modified":"2024-12-16T22:32:13","modified_gmt":"2024-12-16T19:32:13","slug":"bgfx-emscripten","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/ja\/2024\/08\/19\/bgfx-emscripten\/","title":{"rendered":"bgfx Emscripten \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9"},"content":{"rendered":"

\u3053\u306e\u6295\u7a3f\u3067\u306f\u3001Emscripten \u3092\u4f7f\u7528\u3057\u3066 Web (WebAssembly) \u7528\u306e bgfx \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n

\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001Arch Linux \u306a\u3069\u306e Linux x86-64 \u3067\u3059\u3002<\/p>\n

\u307e\u305a\u3001Emscripten \u30d0\u30fc\u30b8\u30e7\u30f3 3.1.51 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3067\u306a\u3044\u3068\u3001Emscripten \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30bf\u30a4\u30d7\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6210\u529f\u3057\u307e\u305b\u3093\u3002\u8a73\u7d30\u306f\u3053\u3061\u3089\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059:
\nhttps:\/\/github.com\/bkaradzic\/bgfx\/Discussions\/3266<\/a <\/p>\n

\u3053\u308c\u306f\u6b21\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u307e\u3059:<\/p>\n

\n
\n
\ngit clone https:\/\/github.com\/emscripten-core\/emsdk.git\n\n\n\ncd emsdk\n\n\n\n.\/emsdk install 3.1.51\n\n\n\n.\/emsdk activate 3.1.51\n\n\n\nsource .\/emsdk_env.sh\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
WebAssembly \u7528\u306b bgfx \u3092\u30a2\u30bb\u30f3\u30d6\u30eb\u3057\u307e\u3057\u3087\u3046 –\u30a8\u30e0\u30b9\u30af\u30ea\u30d7\u30c8:<\/p>\n
\n
\n
\nmkdir bgfx-build-test\n\n\n\ncd bgfx-build-test\n\n\n\ngit clone https:\/\/github.com\/bkaradzic\/bx.git\n\n\n\ngit clone https:\/\/github.com\/bkaradzic\/bimg.git\n\n\n\ngit clone https:\/\/github.com\/bkaradzic\/bgfx.git\n\n\n\ncd bgfx\n\n\n\nemmake make wasm-debug\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
\u305d\u306e\u7d50\u679c\u3001.build \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u306f .bc \u62e1\u5f35\u5b50\u306e\u4ed8\u3044\u305f\u30d3\u30c3\u30c8\u30b3\u30fc\u30c9 \u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001bgfx \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30ea\u30f3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\nbgfx.bc\u3001bx.bc\u3001bimg.bc \u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u7570\u306a\u308b\u3068\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u30bf\u30a4\u30d7 (\u30ea\u30ea\u30fc\u30b9\/\u30c7\u30d0\u30c3\u30b0) \u306b\u5fdc\u3058\u3066\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u3082\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n
.bc \u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080 CMakeLists.txt \u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30ea\u30f3\u30af (\u305f\u3068\u3048\u3070\u3001bgfx-experiments \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u7d76\u5bfe\u30d1\u30b9) \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n
\n
\ntarget_link_libraries(${PROJECT_NAME} SDL2 GL \/home\/demensdeum_stream\/Sources\/bgfx-build\/bgfx\/.build\/wasm\/bin\/bgfxDebug.bc \/home\/demensdeum_stream\/Sources\/bgfx-build\/bgfx\/.build\/wasm\/bin\/bxDebug.bc \/home\/demensdeum_stream\/Sources\/bgfx-build\/bgfx\/.build\/wasm\/bin\/bimgDebug.bc)\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
\u6b21\u306b\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0 \u30c7\u30fc\u30bf\u306e\u30cd\u30a4\u30c6\u30a3\u30d6 \u30a6\u30a3\u30f3\u30c9\u30a6 \u30cf\u30f3\u30c9\u30eb\u3092 bgfx \u521d\u671f\u5316\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\n
\n
\nbgfx::PlatformData platformData{};\n\n\n\nplatformData.context = NULL;\n\n\n\nplatformData.backBuffer = NULL;\n\n\n\nplatformData.backBufferDS = NULL;\n\n\n\nplatformData.nwh = (void*)\"#canvas\";\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30bf\u30a4\u30d7\u3092 OpenGL \u306b\u5909\u66f4\u3059\u308b\u5fc5\u8981\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\n
\n
\nbgfx::Init init;\n\n\n\ninit.type = bgfx::RendererType::OpenGL;\n\n\n\n\n\n\n\ninit.resolution.width = screenWidth;\n\n\n\ninit.resolution.height = screenHeight;\n\n\n\ninit.resolution.reset = BGFX_RESET_VSYNC;\n\n\n\ninit.platformData = platformData;\n\n\n\n\n\n\n\nif (!bgfx::init(init))\n\n\n\n{\n\n\n\n    throw std::runtime_error(\"Failed to initialize bgfx\");\n\n\n\n}\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
GLSL \u30b7\u30a7\u30fc\u30c0\u3092 120 \u306b\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u307e\u3059:<\/p>\n
\n
\n
\nshaderc -f \"VertexShader.vs\" -o \"VertexShader.glsl\" --type \"v\" -p \"120\"\n\n\n\nshaderc -f \"FragmentShader.fs\" -o \"FragmentShader.glsl\" --type \"f\" -p \"120\"\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
\u306f\u3044\u3001\u305f\u3060\u3057\u3001.glsl \u30d5\u30a1\u30a4\u30eb\u306f –preload-file: \u3068\u3057\u3066 CMakeLists.txt \u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059:<\/p>\n
\n
\n
\nset(CMAKE_CXX_FLAGS ... <\u041e\u0441\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u044c>\n\n\n\n--preload-file VertexShader.glsl \\\n\n\n\n--preload-file FragmentShader.glsl \\\n\n\n\n<\/code><\/pre>\n<\/div>\n<\/div>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30a4\u30f3 \u30ec\u30f3\u30c0\u30fc \u30eb\u30fc\u30d7\u3092\u3001emscripten_set_main_loop \u306b\u3088\u308b while \u95a2\u6570\u547c\u3073\u51fa\u3057\u306b\u7f6e\u304d\u63db\u3048\u308b\u4f5c\u696d\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3053\u3053\u3067\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059:
\nhttps :\/\/demensdeum.com\/blog\/ru\/2017\/03\/29\/porting-sdl-c-game-to-html5-emscripten\/<\/a><\/p>\n
\u6b21\u306b\u3001\u901a\u5e38\u3069\u304a\u308a Emscripten \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30a2\u30bb\u30f3\u30d6\u30eb\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u304c\u6a5f\u80fd\u3059\u308b\u306f\u305a\u3067\u3059\u3002
\n\u8208\u5473\u6df1\u3044 – Emscripten 3.1.51 \u30d3\u30eb\u30c9\u306b\u306f OpenAL (\u307e\u305f\u306f\u79c1\u3060\u3051) \u304c\u6b20\u3051\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
bgfx \u3068 Emscripten \u3067\u6b63\u3057\u304f\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9:
\nhttps:\/\/github.com\/demensdeum\/ bgfx-experiments\/tree\/main\/2-emscripten-build<\/a><\/p>\n
\u30bd\u30fc\u30b9<\/p>\n
https:\/\/github.com\/bkaradzic\/bgfx\/Discussions\/3266 <\/a>
\nhttps:\/\/bkaradzic.github.io\/bgfx\/build.html<\/a >
\nhttps:\/\/emscripten.org\/docs\/getting_started\/downloads.html<\/a >
\nhttps :\/\/demensdeum.com\/blog\/ru\/2017\/03\/29\/porting-sdl-c-game-to-html5-emscripten\/<\/a>
\nhttps:\/\/llvm.org\/docs\/BitCodeFormat.html<\/a><\/p >\n","protected":false},"excerpt":{"rendered":"
\u3053\u306e\u6295\u7a3f\u3067\u306f\u3001Emscripten \u3092\u4f7f\u7528\u3057\u3066 Web (WebAssembly) \u7528\u306e bgfx \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001Arch Linux \u306a\u3069\u306e Linux x86-64 \u3067\u3059\u3002 \u307e\u305a\u3001Emscripten \u30d0\u30fc\u30b8\u30e7\u30f3 3.1.51 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3067\u306a\u3044\u3068\u3001Emscripten \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30bf\u30a4\u30d7\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6210\u529f\u3057\u307e\u305b\u3093\u3002\u8a73\u7d30\u306f\u3053\u3061\u3089\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059: https:\/\/github.com\/bkaradzic\/bgfx\/Discussions\/3266<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3609","post","type-post","status-publish","format-standard","hentry","category-misc","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ja","enabled_languages":["en","ru","zh","de","fr","ja","pt","hi"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false}}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/comments?post=3609"}],"version-history":[{"count":37,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3609\/revisions"}],"predecessor-version":[{"id":3859,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3609\/revisions\/3859"}],"wp:attachment":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/media?parent=3609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/categories?post=3609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/tags?post=3609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}