From b8d5ea595e3ea38b2cd098c20fce91d73e57dd50 Mon Sep 17 00:00:00 2001 From: Wojtek Figat Date: Wed, 18 Mar 2026 23:22:45 +0100 Subject: [PATCH] Optimize Web app a bit more --- Source/Engine/Platform/Web/WebPlatform.cpp | 182 ++++++++++++++++++ .../Flax.Build/Platforms/Web/WebToolchain.cs | 2 + 2 files changed, 184 insertions(+) diff --git a/Source/Engine/Platform/Web/WebPlatform.cpp b/Source/Engine/Platform/Web/WebPlatform.cpp index 20b8720d6..20f036532 100644 --- a/Source/Engine/Platform/Web/WebPlatform.cpp +++ b/Source/Engine/Platform/Web/WebPlatform.cpp @@ -421,6 +421,188 @@ extern "C" void* emscripten_webgl_get_proc_address(const char* name) { return nullptr; } + +extern "C" void emscripten_webgl_init_context_attributes(EmscriptenWebGLContextAttributes* attributes) +{ +} + +// Reference: emscripten\system\lib\html5\dom_pk_codes.c +#include +extern "C" DOM_PK_CODE_TYPE emscripten_compute_dom_pk_code(const char* keyCodeString) +{ + if (!keyCodeString) return 0; + + /* Compute the collision free hash. */ + unsigned int hash = 0; + while (*keyCodeString) hash = ((hash ^ 0x7E057D79U) << 3) ^ (unsigned int)*keyCodeString++; + + /* + * Don't expose the hash values out to the application, but map to fixed IDs. + * This is useful for mapping back codes to MDN documentation page at + * + * https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code + */ + switch (hash) { + case 0x98051284U /* Unidentified */: return DOM_PK_UNKNOWN; /* 0x0000 */ + case 0x67243A2DU /* Escape */: return DOM_PK_ESCAPE; /* 0x0001 */ + case 0x67251058U /* Digit0 */: return DOM_PK_0; /* 0x0002 */ + case 0x67251059U /* Digit1 */: return DOM_PK_1; /* 0x0003 */ + case 0x6725105AU /* Digit2 */: return DOM_PK_2; /* 0x0004 */ + case 0x6725105BU /* Digit3 */: return DOM_PK_3; /* 0x0005 */ + case 0x6725105CU /* Digit4 */: return DOM_PK_4; /* 0x0006 */ + case 0x6725105DU /* Digit5 */: return DOM_PK_5; /* 0x0007 */ + case 0x6725105EU /* Digit6 */: return DOM_PK_6; /* 0x0008 */ + case 0x6725105FU /* Digit7 */: return DOM_PK_7; /* 0x0009 */ + case 0x67251050U /* Digit8 */: return DOM_PK_8; /* 0x000A */ + case 0x67251051U /* Digit9 */: return DOM_PK_9; /* 0x000B */ + case 0x92E14DD3U /* Minus */: return DOM_PK_MINUS; /* 0x000C */ + case 0x92E1FBACU /* Equal */: return DOM_PK_EQUAL; /* 0x000D */ + case 0x36BF1CB5U /* Backspace */: return DOM_PK_BACKSPACE; /* 0x000E */ + case 0x7B8E51E2U /* Tab */: return DOM_PK_TAB; /* 0x000F */ + case 0x2C595B51U /* KeyQ */: return DOM_PK_Q; /* 0x0010 */ + case 0x2C595B57U /* KeyW */: return DOM_PK_W; /* 0x0011 */ + case 0x2C595B45U /* KeyE */: return DOM_PK_E; /* 0x0012 */ + case 0x2C595B52U /* KeyR */: return DOM_PK_R; /* 0x0013 */ + case 0x2C595B54U /* KeyT */: return DOM_PK_T; /* 0x0014 */ + case 0x2C595B59U /* KeyY */: return DOM_PK_Y; /* 0x0015 */ + case 0x2C595B55U /* KeyU */: return DOM_PK_U; /* 0x0016 */ + case 0x2C595B49U /* KeyI */: return DOM_PK_I; /* 0x0017 */ + case 0x2C595B4FU /* KeyO */: return DOM_PK_O; /* 0x0018 */ + case 0x2C595B50U /* KeyP */: return DOM_PK_P; /* 0x0019 */ + case 0x45D8158CU /* BracketLeft */: return DOM_PK_BRACKET_LEFT; /* 0x001A */ + case 0xDEEABF7CU /* BracketRight */: return DOM_PK_BRACKET_RIGHT; /* 0x001B */ + case 0x92E1C5D2U /* Enter */: return DOM_PK_ENTER; /* 0x001C */ + case 0xE058958CU /* ControlLeft */: return DOM_PK_CONTROL_LEFT; /* 0x001D */ + case 0x2C595B41U /* KeyA */: return DOM_PK_A; /* 0x001E */ + case 0x2C595B53U /* KeyS */: return DOM_PK_S; /* 0x001F */ + case 0x2C595B44U /* KeyD */: return DOM_PK_D; /* 0x0020 */ + case 0x2C595B46U /* KeyF */: return DOM_PK_F; /* 0x0021 */ + case 0x2C595B47U /* KeyG */: return DOM_PK_G; /* 0x0022 */ + case 0x2C595B48U /* KeyH */: return DOM_PK_H; /* 0x0023 */ + case 0x2C595B4AU /* KeyJ */: return DOM_PK_J; /* 0x0024 */ + case 0x2C595B4BU /* KeyK */: return DOM_PK_K; /* 0x0025 */ + case 0x2C595B4CU /* KeyL */: return DOM_PK_L; /* 0x0026 */ + case 0x2707219EU /* Semicolon */: return DOM_PK_SEMICOLON; /* 0x0027 */ + case 0x92E0B58DU /* Quote */: return DOM_PK_QUOTE; /* 0x0028 */ + case 0x36BF358DU /* Backquote */: return DOM_PK_BACKQUOTE; /* 0x0029 */ + case 0x26B1958CU /* ShiftLeft */: return DOM_PK_SHIFT_LEFT; /* 0x002A */ + case 0x36BF2438U /* Backslash */: return DOM_PK_BACKSLASH; /* 0x002B */ + case 0x2C595B5AU /* KeyZ */: return DOM_PK_Z; /* 0x002C */ + case 0x2C595B58U /* KeyX */: return DOM_PK_X; /* 0x002D */ + case 0x2C595B43U /* KeyC */: return DOM_PK_C; /* 0x002E */ + case 0x2C595B56U /* KeyV */: return DOM_PK_V; /* 0x002F */ + case 0x2C595B42U /* KeyB */: return DOM_PK_B; /* 0x0030 */ + case 0x2C595B4EU /* KeyN */: return DOM_PK_N; /* 0x0031 */ + case 0x2C595B4DU /* KeyM */: return DOM_PK_M; /* 0x0032 */ + case 0x92E1A1C1U /* Comma */: return DOM_PK_COMMA; /* 0x0033 */ + case 0x672FFAD4U /* Period */: return DOM_PK_PERIOD; /* 0x0034 */ + case 0x92E0A438U /* Slash */: return DOM_PK_SLASH; /* 0x0035 */ + case 0xC5A6BF7CU /* ShiftRight */: return DOM_PK_SHIFT_RIGHT; /* 0x0036 */ + case 0x5D64DA91U /* NumpadMultiply */: return DOM_PK_NUMPAD_MULTIPLY; /* 0x0037 */ + case 0xC914958CU /* AltLeft */: return DOM_PK_ALT_LEFT; /* 0x0038 */ + case 0x92E09CB5U /* Space */: return DOM_PK_SPACE; /* 0x0039 */ + case 0xB8FAE73BU /* CapsLock */: return DOM_PK_CAPS_LOCK; /* 0x003A */ + case 0x7174B789U /* F1 */: return DOM_PK_F1; /* 0x003B */ + case 0x7174B78AU /* F2 */: return DOM_PK_F2; /* 0x003C */ + case 0x7174B78BU /* F3 */: return DOM_PK_F3; /* 0x003D */ + case 0x7174B78CU /* F4 */: return DOM_PK_F4; /* 0x003E */ + case 0x7174B78DU /* F5 */: return DOM_PK_F5; /* 0x003F */ + case 0x7174B78EU /* F6 */: return DOM_PK_F6; /* 0x0040 */ + case 0x7174B78FU /* F7 */: return DOM_PK_F7; /* 0x0041 */ + case 0x7174B780U /* F8 */: return DOM_PK_F8; /* 0x0042 */ + case 0x7174B781U /* F9 */: return DOM_PK_F9; /* 0x0043 */ + case 0x7B8E57B0U /* F10 */: return DOM_PK_F10; /* 0x0044 */ + case 0x92E08B35U /* Pause */: return DOM_PK_PAUSE; /* 0x0045 */ + case 0xCDED173BU /* ScrollLock */: return DOM_PK_SCROLL_LOCK; /* 0x0046 */ + case 0xC925FCDFU /* Numpad7 */: return DOM_PK_NUMPAD_7; /* 0x0047 */ + case 0xC925FCD0U /* Numpad8 */: return DOM_PK_NUMPAD_8; /* 0x0048 */ + case 0xC925FCD1U /* Numpad9 */: return DOM_PK_NUMPAD_9; /* 0x0049 */ + case 0x5EA3E8A4U /* NumpadSubtract */: return DOM_PK_NUMPAD_SUBTRACT; /* 0x004A */ + case 0xC925FCDCU /* Numpad4 */: return DOM_PK_NUMPAD_4; /* 0x004B */ + case 0xC925FCDDU /* Numpad5 */: return DOM_PK_NUMPAD_5; /* 0x004C */ + case 0xC925FCDEU /* Numpad6 */: return DOM_PK_NUMPAD_6; /* 0x004D */ + case 0x380B9C8CU /* NumpadAdd */: return DOM_PK_NUMPAD_ADD; /* 0x004E */ + case 0xC925FCD9U /* Numpad1 */: return DOM_PK_NUMPAD_1; /* 0x004F */ + case 0xC925FCDAU /* Numpad2 */: return DOM_PK_NUMPAD_2; /* 0x0050 */ + case 0xC925FCDBU /* Numpad3 */: return DOM_PK_NUMPAD_3; /* 0x0051 */ + case 0xC925FCD8U /* Numpad0 */: return DOM_PK_NUMPAD_0; /* 0x0052 */ + case 0x95852DACU /* NumpadDecimal */: return DOM_PK_NUMPAD_DECIMAL; /* 0x0053 */ + case 0xCC1E198EU /* PrintScreen */: return DOM_PK_PRINT_SCREEN; /* 0x0054 */ + case 0x16BF2438U /* IntlBackslash */: return DOM_PK_INTL_BACKSLASH; /* 0x0056 */ + case 0x7B8E57B1U /* F11 */: return DOM_PK_F11; /* 0x0057 */ + case 0x7B8E57B2U /* F12 */: return DOM_PK_F12; /* 0x0058 */ + case 0x7393FBACU /* NumpadEqual */: return DOM_PK_NUMPAD_EQUAL; /* 0x0059 */ + case 0x7B8E57B3U /* F13 */: return DOM_PK_F13; /* 0x0064 */ + case 0x7B8E57B4U /* F14 */: return DOM_PK_F14; /* 0x0065 */ + case 0x7B8E57B5U /* F15 */: return DOM_PK_F15; /* 0x0066 */ + case 0x7B8E57B6U /* F16 */: return DOM_PK_F16; /* 0x0067 */ + case 0x7B8E57B7U /* F17 */: return DOM_PK_F17; /* 0x0068 */ + case 0x7B8E57B8U /* F18 */: return DOM_PK_F18; /* 0x0069 */ + case 0x7B8E57B9U /* F19 */: return DOM_PK_F19; /* 0x006A */ + case 0x7B8E57A8U /* F20 */: return DOM_PK_F20; /* 0x006B */ + case 0x7B8E57A9U /* F21 */: return DOM_PK_F21; /* 0x006C */ + case 0x7B8E57AAU /* F22 */: return DOM_PK_F22; /* 0x006D */ + case 0x7B8E57ABU /* F23 */: return DOM_PK_F23; /* 0x006E */ + case 0xB9F4C50DU /* KanaMode */: return DOM_PK_KANA_MODE; /* 0x0070 */ + case 0x92E14D02U /* Lang2 */: return DOM_PK_LANG_2; /* 0x0071 */ + case 0x92E14D01U /* Lang1 */: return DOM_PK_LANG_1; /* 0x0072 */ + case 0x6723C677U /* IntlRo */: return DOM_PK_INTL_RO; /* 0x0073 */ + case 0x7B8E57ACU /* F24 */: return DOM_PK_F24; /* 0x0076 */ + case 0xC91CC12CU /* Convert */: return DOM_PK_CONVERT; /* 0x0079 */ + case 0x2ADCC12CU /* NonConvert */: return DOM_PK_NON_CONVERT; /* 0x007B */ + case 0xC935DA8EU /* IntlYen */: return DOM_PK_INTL_YEN; /* 0x007D */ + case 0x7393A1C1U /* NumpadComma */: return DOM_PK_NUMPAD_COMMA; /* 0x007E */ + case 0x92E08A8DU /* Paste */: return DOM_PK_PASTE; /* 0xE00A */ + case 0x01DC7D93U /* MediaTrackPrevious */: return DOM_PK_MEDIA_TRACK_PREVIOUS; /* 0xE010 */ + case 0x7B8E5494U /* Cut */: return DOM_PK_CUT; /* 0xE017 */ + case 0x2C5949B1U /* Copy */: return DOM_PK_COPY; /* 0xE018 */ + case 0x2AD2E17CU /* MediaTrackNext */: return DOM_PK_MEDIA_TRACK_NEXT; /* 0xE019 */ + case 0x7393C5D2U /* NumpadEnter */: return DOM_PK_NUMPAD_ENTER; /* 0xE01C */ + case 0xF2EEBF7CU /* ControlRight */: return DOM_PK_CONTROL_RIGHT; /* 0xE01D */ + case 0x2A45030DU /* AudioVolumeMute */: return DOM_PK_AUDIO_VOLUME_MUTE; /* 0xE020 */ + case 0xEA45030DU /* VolumeMute */: return DOM_PK_AUDIO_VOLUME_MUTE; /* 0xE020 */ + case 0x370ECA3AU /* LaunchApp2 */: return DOM_PK_LAUNCH_APP_2; /* 0xE021 */ + case 0x2D1C0B35U /* MediaPlayPause */: return DOM_PK_MEDIA_PLAY_PAUSE; /* 0xE022 */ + case 0x39237F80U /* MediaStop */: return DOM_PK_MEDIA_STOP; /* 0xE024 */ + case 0x92E1C9A4U /* Eject */: return DOM_PK_EJECT; /* 0xE02C */ + case 0x2A45179EU /* AudioVolumeDown */: return DOM_PK_AUDIO_VOLUME_DOWN; /* 0xE02E */ + case 0xEA45179EU /* VolumeDown */: return DOM_PK_AUDIO_VOLUME_DOWN; /* 0xE02E */ + case 0x156CC610U /* AudioVolumeUp */: return DOM_PK_AUDIO_VOLUME_UP; /* 0xE030 */ + case 0xBA6CC610U /* VolumeUp */: return DOM_PK_AUDIO_VOLUME_UP; /* 0xE030 */ + case 0x49387F45U /* BrowserHome */: return DOM_PK_BROWSER_HOME; /* 0xE032 */ + case 0x6CB5328DU /* NumpadDivide */: return DOM_PK_NUMPAD_DIVIDE; /* 0xE035 */ + case 0xB88EBF7CU /* AltRight */: return DOM_PK_ALT_RIGHT; /* 0xE038 */ + case 0x2C595DD8U /* Help */: return DOM_PK_HELP; /* 0xE03B */ + case 0xC925873BU /* NumLock */: return DOM_PK_NUM_LOCK; /* 0xE045 */ + case 0x2C595F45U /* Home */: return DOM_PK_HOME; /* 0xE047 */ + case 0xC91BB690U /* ArrowUp */: return DOM_PK_ARROW_UP; /* 0xE048 */ + case 0x672F9210U /* PageUp */: return DOM_PK_PAGE_UP; /* 0xE049 */ + case 0x3799258CU /* ArrowLeft */: return DOM_PK_ARROW_LEFT; /* 0xE04B */ + case 0x4CE33F7CU /* ArrowRight */: return DOM_PK_ARROW_RIGHT; /* 0xE04D */ + case 0x7B8E55DCU /* End */: return DOM_PK_END; /* 0xE04F */ + case 0x3799379EU /* ArrowDown */: return DOM_PK_ARROW_DOWN; /* 0xE050 */ + case 0xBA90179EU /* PageDown */: return DOM_PK_PAGE_DOWN; /* 0xE051 */ + case 0x6723CB2CU /* Insert */: return DOM_PK_INSERT; /* 0xE052 */ + case 0x6725C50DU /* Delete */: return DOM_PK_DELETE; /* 0xE053 */ + case 0xB929C58CU /* MetaLeft */: return DOM_PK_META_LEFT; /* 0xE05B */ + case 0x6723658CU /* OSLeft */: return DOM_PK_OS_LEFT; /* 0xE05B */ + case 0x39643F7CU /* MetaRight */: return DOM_PK_META_RIGHT; /* 0xE05C */ + case 0xC9313F7CU /* OSRight */: return DOM_PK_OS_RIGHT; /* 0xE05C */ + case 0xE00E97CDU /* ContextMenu */: return DOM_PK_CONTEXT_MENU; /* 0xE05D */ + case 0x92E09712U /* Power */: return DOM_PK_POWER; /* 0xE05E */ + case 0x3F665A78U /* BrowserSearch */: return DOM_PK_BROWSER_SEARCH; /* 0xE065 */ + case 0xA2E93BD3U /* BrowserFavorites */: return DOM_PK_BROWSER_FAVORITES; /* 0xE066 */ + case 0x0B1D4938U /* BrowserRefresh */: return DOM_PK_BROWSER_REFRESH; /* 0xE067 */ + case 0x49384F80U /* BrowserStop */: return DOM_PK_BROWSER_STOP; /* 0xE068 */ + case 0x0B49023CU /* BrowserForward */: return DOM_PK_BROWSER_FORWARD; /* 0xE069 */ + case 0x493868BBU /* BrowserBack */: return DOM_PK_BROWSER_BACK; /* 0xE06A */ + case 0x370ECA39U /* LaunchApp1 */: return DOM_PK_LAUNCH_APP_1; /* 0xE06B */ + case 0x370ED6ECU /* LaunchMail */: return DOM_PK_LAUNCH_MAIL; /* 0xE06C */ + case 0x39AB4892U /* LaunchMediaPlayer */: return DOM_PK_LAUNCH_MEDIA_PLAYER; /* 0xE06D */ + case 0x39AA45A4U /* MediaSelect */: return DOM_PK_MEDIA_SELECT; /* 0xE06D */ + default: return DOM_PK_UNKNOWN; + } +} #endif #endif diff --git a/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs b/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs index 28afe7eb9..33ed097bd 100644 --- a/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs +++ b/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs @@ -297,6 +297,8 @@ namespace Flax.Build.Platforms AddSharedArgs(args, options, options.LinkEnv.DebugInformation, options.LinkEnv.Optimization); // Strip unused things + args.Add("-sENVIRONMENT=web,webview"); + args.Add("-sAUTO_NATIVE_LIBRARIES=0"); args.Add("-sAUTO_JS_LIBRARIES=0"); args.Add("-sGL_ENABLE_GET_PROC_ADDRESS=0"); args.Add("-sUSE_GLFW=0");