From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../src/video/emscripten/SDL_emscriptenvideo.c | 459 --------------------- 1 file changed, 459 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/emscripten/SDL_emscriptenvideo.c (limited to 'contrib/SDL-3.2.8/src/video/emscripten/SDL_emscriptenvideo.c') diff --git a/contrib/SDL-3.2.8/src/video/emscripten/SDL_emscriptenvideo.c b/contrib/SDL-3.2.8/src/video/emscripten/SDL_emscriptenvideo.c deleted file mode 100644 index 1496268..0000000 --- a/contrib/SDL-3.2.8/src/video/emscripten/SDL_emscriptenvideo.c +++ /dev/null @@ -1,459 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_internal.h" - -#ifdef SDL_VIDEO_DRIVER_EMSCRIPTEN - -#include "../SDL_sysvideo.h" -#include "../SDL_pixels_c.h" -#include "../../events/SDL_events_c.h" - -#include "SDL_emscriptenvideo.h" -#include "SDL_emscriptenopengles.h" -#include "SDL_emscriptenframebuffer.h" -#include "SDL_emscriptenevents.h" -#include "SDL_emscriptenmouse.h" - -#define EMSCRIPTENVID_DRIVER_NAME "emscripten" - -// Initialization/Query functions -static bool Emscripten_VideoInit(SDL_VideoDevice *_this); -static bool Emscripten_SetDisplayMode(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_DisplayMode *mode); -static void Emscripten_VideoQuit(SDL_VideoDevice *_this); -static bool Emscripten_GetDisplayUsableBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_Rect *rect); - -static bool Emscripten_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID create_props); -static void Emscripten_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window); -static void Emscripten_GetWindowSizeInPixels(SDL_VideoDevice *_this, SDL_Window *window, int *w, int *h); -static void Emscripten_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window); -static SDL_FullscreenResult Emscripten_SetWindowFullscreen(SDL_VideoDevice *_this, SDL_Window *window, SDL_VideoDisplay *display, SDL_FullscreenOp fullscreen); -static void Emscripten_PumpEvents(SDL_VideoDevice *_this); -static void Emscripten_SetWindowTitle(SDL_VideoDevice *_this, SDL_Window *window); - -static bool pumpevents_has_run = false; -static int pending_swap_interval = -1; - - -// Emscripten driver bootstrap functions - -static void Emscripten_DeleteDevice(SDL_VideoDevice *device) -{ - SDL_free(device); -} - -static SDL_SystemTheme Emscripten_GetSystemTheme(void) -{ - /* Technically, light theme can mean explicit light theme or no preference. - https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme#syntax */ - - int theme_code = EM_ASM_INT({ - if (!window.matchMedia) { - return -1; - } - - if (window.matchMedia('(prefers-color-scheme: light)').matches) { - return 0; - } - - if (window.matchMedia('(prefers-color-scheme: dark)').matches) { - return 1; - } - - return -1; - }); - - switch (theme_code) { - case 0: - return SDL_SYSTEM_THEME_LIGHT; - - case 1: - return SDL_SYSTEM_THEME_DARK; - - default: - return SDL_SYSTEM_THEME_UNKNOWN; - } -} - -static void Emscripten_ListenSystemTheme(void) -{ - MAIN_THREAD_EM_ASM({ - if (window.matchMedia) { - if (typeof(Module['SDL3']) === 'undefined') { - Module['SDL3'] = {}; - } - - var SDL3 = Module['SDL3']; - - SDL3.eventHandlerThemeChanged = function(event) { - _Emscripten_SendSystemThemeChangedEvent(); - }; - - SDL3.themeChangedMatchMedia = window.matchMedia('(prefers-color-scheme: dark)'); - SDL3.themeChangedMatchMedia.addEventListener('change', SDL3.eventHandlerThemeChanged); - } - }); -} - -static void Emscripten_UnlistenSystemTheme(void) -{ - MAIN_THREAD_EM_ASM({ - if (typeof(Module['SDL3']) !== 'undefined') { - var SDL3 = Module['SDL3']; - - SDL3.themeChangedMatchMedia.removeEventListener('change', SDL3.eventHandlerThemeChanged); - SDL3.themeChangedMatchMedia = undefined; - SDL3.eventHandlerThemeChanged = undefined; - } - }); -} - -EMSCRIPTEN_KEEPALIVE void Emscripten_SendSystemThemeChangedEvent(void) -{ - SDL_SetSystemTheme(Emscripten_GetSystemTheme()); -} - -static SDL_VideoDevice *Emscripten_CreateDevice(void) -{ - SDL_VideoDevice *device; - - // Initialize all variables that we clean on shutdown - device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice)); - if (!device) { - return NULL; - } - - /* Firefox sends blur event which would otherwise prevent full screen - * when the user clicks to allow full screen. - * See https://bugzilla.mozilla.org/show_bug.cgi?id=1144964 - */ - SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0"); - - // Set the function pointers - device->VideoInit = Emscripten_VideoInit; - device->VideoQuit = Emscripten_VideoQuit; - device->GetDisplayUsableBounds = Emscripten_GetDisplayUsableBounds; - device->SetDisplayMode = Emscripten_SetDisplayMode; - - device->PumpEvents = Emscripten_PumpEvents; - - device->CreateSDLWindow = Emscripten_CreateWindow; - device->SetWindowTitle = Emscripten_SetWindowTitle; - /*device->SetWindowIcon = Emscripten_SetWindowIcon; - device->SetWindowPosition = Emscripten_SetWindowPosition;*/ - device->SetWindowSize = Emscripten_SetWindowSize; - /*device->ShowWindow = Emscripten_ShowWindow; - device->HideWindow = Emscripten_HideWindow; - device->RaiseWindow = Emscripten_RaiseWindow; - device->MaximizeWindow = Emscripten_MaximizeWindow; - device->MinimizeWindow = Emscripten_MinimizeWindow; - device->RestoreWindow = Emscripten_RestoreWindow; - device->SetWindowMouseGrab = Emscripten_SetWindowMouseGrab;*/ - device->GetWindowSizeInPixels = Emscripten_GetWindowSizeInPixels; - device->DestroyWindow = Emscripten_DestroyWindow; - device->SetWindowFullscreen = Emscripten_SetWindowFullscreen; - - device->CreateWindowFramebuffer = Emscripten_CreateWindowFramebuffer; - device->UpdateWindowFramebuffer = Emscripten_UpdateWindowFramebuffer; - device->DestroyWindowFramebuffer = Emscripten_DestroyWindowFramebuffer; - - device->GL_LoadLibrary = Emscripten_GLES_LoadLibrary; - device->GL_GetProcAddress = Emscripten_GLES_GetProcAddress; - device->GL_UnloadLibrary = Emscripten_GLES_UnloadLibrary; - device->GL_CreateContext = Emscripten_GLES_CreateContext; - device->GL_MakeCurrent = Emscripten_GLES_MakeCurrent; - device->GL_SetSwapInterval = Emscripten_GLES_SetSwapInterval; - device->GL_GetSwapInterval = Emscripten_GLES_GetSwapInterval; - device->GL_SwapWindow = Emscripten_GLES_SwapWindow; - device->GL_DestroyContext = Emscripten_GLES_DestroyContext; - - device->free = Emscripten_DeleteDevice; - - Emscripten_ListenSystemTheme(); - device->system_theme = Emscripten_GetSystemTheme(); - - return device; -} - -VideoBootStrap Emscripten_bootstrap = { - EMSCRIPTENVID_DRIVER_NAME, "SDL emscripten video driver", - Emscripten_CreateDevice, - NULL, // no ShowMessageBox implementation - false -}; - -bool Emscripten_VideoInit(SDL_VideoDevice *_this) -{ - SDL_DisplayMode mode; - - // Use a fake 32-bpp desktop mode - SDL_zero(mode); - mode.format = SDL_PIXELFORMAT_XRGB8888; - emscripten_get_screen_size(&mode.w, &mode.h); - mode.pixel_density = emscripten_get_device_pixel_ratio(); - - if (SDL_AddBasicVideoDisplay(&mode) == 0) { - return false; - } - - Emscripten_InitMouse(); - - // Assume we have a mouse and keyboard - SDL_AddKeyboard(SDL_DEFAULT_KEYBOARD_ID, NULL, false); - SDL_AddMouse(SDL_DEFAULT_MOUSE_ID, NULL, false); - - // We're done! - return true; -} - -static bool Emscripten_SetDisplayMode(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_DisplayMode *mode) -{ - // can't do this - return true; -} - -static void Emscripten_VideoQuit(SDL_VideoDevice *_this) -{ - Emscripten_QuitMouse(); - Emscripten_UnlistenSystemTheme(); - pumpevents_has_run = false; - pending_swap_interval = -1; -} - -static bool Emscripten_GetDisplayUsableBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_Rect *rect) -{ - if (rect) { - rect->x = 0; - rect->y = 0; - rect->w = MAIN_THREAD_EM_ASM_INT({ - return window.innerWidth; - }); - rect->h = MAIN_THREAD_EM_ASM_INT({ - return window.innerHeight; - }); - } - return true; -} - -bool Emscripten_ShouldSetSwapInterval(int interval) -{ - if (!pumpevents_has_run) { - pending_swap_interval = interval; - return false; - } - return true; -} - -static void Emscripten_PumpEvents(SDL_VideoDevice *_this) -{ - if (!pumpevents_has_run) { - // we assume you've set a mainloop by the time you've called pumpevents, so we delay initial SetInterval changes until then. - // otherwise you'll get a warning on the javascript console. - pumpevents_has_run = true; - if (pending_swap_interval >= 0) { - Emscripten_GLES_SetSwapInterval(_this, pending_swap_interval); - pending_swap_interval = -1; - } - } -} - -EMSCRIPTEN_KEEPALIVE void requestFullscreenThroughSDL(SDL_Window *window) -{ - SDL_SetWindowFullscreen(window, true); -} - -static bool Emscripten_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props) -{ - SDL_WindowData *wdata; - double scaled_w, scaled_h; - double css_w, css_h; - const char *selector; - - // Allocate window internal data - wdata = (SDL_WindowData *)SDL_calloc(1, sizeof(SDL_WindowData)); - if (!wdata) { - return false; - } - - selector = SDL_GetHint(SDL_HINT_EMSCRIPTEN_CANVAS_SELECTOR); - if (!selector) { - selector = "#canvas"; - } - - wdata->canvas_id = SDL_strdup(selector); - - if (window->flags & SDL_WINDOW_HIGH_PIXEL_DENSITY) { - wdata->pixel_ratio = emscripten_get_device_pixel_ratio(); - } else { - wdata->pixel_ratio = 1.0f; - } - - scaled_w = SDL_floor(window->w * wdata->pixel_ratio); - scaled_h = SDL_floor(window->h * wdata->pixel_ratio); - - // set a fake size to check if there is any CSS sizing the canvas - emscripten_set_canvas_element_size(wdata->canvas_id, 1, 1); - emscripten_get_element_css_size(wdata->canvas_id, &css_w, &css_h); - - wdata->external_size = SDL_floor(css_w) != 1 || SDL_floor(css_h) != 1; - - if ((window->flags & SDL_WINDOW_RESIZABLE) && wdata->external_size) { - // external css has resized us - scaled_w = css_w * wdata->pixel_ratio; - scaled_h = css_h * wdata->pixel_ratio; - - SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, SDL_lroundf(css_w), SDL_lroundf(css_h)); - } - emscripten_set_canvas_element_size(wdata->canvas_id, SDL_lroundf(scaled_w), SDL_lroundf(scaled_h)); - - // if the size is not being controlled by css, we need to scale down for hidpi - if (!wdata->external_size) { - if (wdata->pixel_ratio != 1.0f) { - // scale canvas down - emscripten_set_element_css_size(wdata->canvas_id, window->w, window->h); - } - } - - wdata->window = window; - - // Setup driver data for this window - window->internal = wdata; - - // One window, it always has focus - SDL_SetMouseFocus(window); - SDL_SetKeyboardFocus(window); - - Emscripten_RegisterEventHandlers(wdata); - - // disable the emscripten "fullscreen" button. - MAIN_THREAD_EM_ASM({ - Module['requestFullscreen'] = function(lockPointer, resizeCanvas) { - _requestFullscreenThroughSDL($0); - }; - }, window); - - // Window has been successfully created - return true; -} - -static void Emscripten_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window) -{ - SDL_WindowData *data; - - if (window->internal) { - data = window->internal; - // update pixel ratio - if (window->flags & SDL_WINDOW_HIGH_PIXEL_DENSITY) { - data->pixel_ratio = emscripten_get_device_pixel_ratio(); - } - emscripten_set_canvas_element_size(data->canvas_id, SDL_lroundf(window->pending.w * data->pixel_ratio), SDL_lroundf(window->pending.h * data->pixel_ratio)); - - // scale canvas down - if (!data->external_size && data->pixel_ratio != 1.0f) { - emscripten_set_element_css_size(data->canvas_id, window->pending.w, window->pending.h); - } - - SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, window->pending.w, window->pending.h); - } -} - -static void Emscripten_GetWindowSizeInPixels(SDL_VideoDevice *_this, SDL_Window *window, int *w, int *h) -{ - SDL_WindowData *data; - if (window->internal) { - data = window->internal; - *w = SDL_lroundf(window->w * data->pixel_ratio); - *h = SDL_lroundf(window->h * data->pixel_ratio); - } -} - -static void Emscripten_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window) -{ - SDL_WindowData *data; - - if (window->internal) { - data = window->internal; - - Emscripten_UnregisterEventHandlers(data); - - // We can't destroy the canvas, so resize it to zero instead - emscripten_set_canvas_element_size(data->canvas_id, 0, 0); - SDL_free(data->canvas_id); - - SDL_free(window->internal); - window->internal = NULL; - } - - // just ignore clicks on the fullscreen button while there's no SDL window. - MAIN_THREAD_EM_ASM({ Module['requestFullscreen'] = function(lockPointer, resizeCanvas) {}; }); -} - -static SDL_FullscreenResult Emscripten_SetWindowFullscreen(SDL_VideoDevice *_this, SDL_Window *window, SDL_VideoDisplay *display, SDL_FullscreenOp fullscreen) -{ - SDL_WindowData *data; - int res = -1; - - if (window->internal) { - data = window->internal; - - if (fullscreen) { - EmscriptenFullscreenStrategy strategy; - bool is_fullscreen_desktop = !window->fullscreen_exclusive; - - SDL_zero(strategy); - strategy.scaleMode = is_fullscreen_desktop ? EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH : EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT; - - if (!is_fullscreen_desktop) { - strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE; - } else if (window->flags & SDL_WINDOW_HIGH_PIXEL_DENSITY) { - strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_HIDEF; - } else { - strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF; - } - - strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT; - - strategy.canvasResizedCallback = Emscripten_HandleCanvasResize; - strategy.canvasResizedCallbackUserData = data; - - data->fullscreen_mode_flags = (window->flags & SDL_WINDOW_FULLSCREEN); - data->fullscreen_resize = is_fullscreen_desktop; - - res = emscripten_request_fullscreen_strategy(data->canvas_id, 1, &strategy); - } else { - res = emscripten_exit_fullscreen(); - } - } - - if (res == EMSCRIPTEN_RESULT_SUCCESS) { - return SDL_FULLSCREEN_SUCCEEDED; - } else if (res == EMSCRIPTEN_RESULT_DEFERRED) { - return SDL_FULLSCREEN_PENDING; - } else { - return SDL_FULLSCREEN_FAILED; - } -} - -static void Emscripten_SetWindowTitle(SDL_VideoDevice *_this, SDL_Window *window) -{ - emscripten_set_window_title(window->title); -} - -#endif // SDL_VIDEO_DRIVER_EMSCRIPTEN -- cgit v1.2.3