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Diffstat (limited to '3rdparty/SDL2/src/video/emscripten/SDL_emscriptenvideo.c')
-rw-r--r--3rdparty/SDL2/src/video/emscripten/SDL_emscriptenvideo.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/3rdparty/SDL2/src/video/emscripten/SDL_emscriptenvideo.c b/3rdparty/SDL2/src/video/emscripten/SDL_emscriptenvideo.c
deleted file mode 100644
index 847bb4cf84d..00000000000
--- a/3rdparty/SDL2/src/video/emscripten/SDL_emscriptenvideo.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- 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"
-
-#if SDL_VIDEO_DRIVER_EMSCRIPTEN
-
-#include "SDL_video.h"
-#include "SDL_mouse.h"
-#include "SDL_hints.h"
-#include "../SDL_sysvideo.h"
-#include "../SDL_pixels_c.h"
-#include "../SDL_egl_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 int Emscripten_VideoInit(_THIS);
-static int Emscripten_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
-static void Emscripten_VideoQuit(_THIS);
-
-static int Emscripten_CreateWindow(_THIS, SDL_Window * window);
-static void Emscripten_SetWindowSize(_THIS, SDL_Window * window);
-static void Emscripten_DestroyWindow(_THIS, SDL_Window * window);
-static void Emscripten_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
-static void Emscripten_PumpEvents(_THIS);
-static void Emscripten_SetWindowTitle(_THIS, SDL_Window * window);
-
-
-/* Emscripten driver bootstrap functions */
-
-static int
-Emscripten_Available(void)
-{
- return (1);
-}
-
-static void
-Emscripten_DeleteDevice(SDL_VideoDevice * device)
-{
- SDL_free(device);
-}
-
-static SDL_VideoDevice *
-Emscripten_CreateDevice(int devindex)
-{
- SDL_VideoDevice *device;
-
- /* Initialize all variables that we clean on shutdown */
- device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
- if (!device) {
- SDL_OutOfMemory();
- return (0);
- }
-
- /* 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->SetDisplayMode = Emscripten_SetDisplayMode;
-
-
- device->PumpEvents = Emscripten_PumpEvents;
-
- device->CreateWindow = Emscripten_CreateWindow;
- /*device->CreateWindowFrom = Emscripten_CreateWindowFrom;*/
- 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->SetWindowGrab = Emscripten_SetWindowGrab;*/
- 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_DeleteContext = Emscripten_GLES_DeleteContext;
- device->GL_GetDrawableSize = Emscripten_GLES_GetDrawableSize;
-
- device->free = Emscripten_DeleteDevice;
-
- return device;
-}
-
-VideoBootStrap Emscripten_bootstrap = {
- EMSCRIPTENVID_DRIVER_NAME, "SDL emscripten video driver",
- Emscripten_Available, Emscripten_CreateDevice
-};
-
-
-int
-Emscripten_VideoInit(_THIS)
-{
- SDL_DisplayMode mode;
-
- /* Use a fake 32-bpp desktop mode */
- mode.format = SDL_PIXELFORMAT_RGB888;
-
- mode.w = EM_ASM_INT_V({
- return screen.width;
- });
-
- mode.h = EM_ASM_INT_V({
- return screen.height;
- });
-
- mode.refresh_rate = 0;
- mode.driverdata = NULL;
- if (SDL_AddBasicVideoDisplay(&mode) < 0) {
- return -1;
- }
-
- SDL_zero(mode);
- SDL_AddDisplayMode(&_this->displays[0], &mode);
-
- Emscripten_InitMouse();
-
- /* We're done! */
- return 0;
-}
-
-static int
-Emscripten_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
-{
- /* can't do this */
- return 0;
-}
-
-static void
-Emscripten_VideoQuit(_THIS)
-{
- Emscripten_FiniMouse();
-}
-
-static void
-Emscripten_PumpEvents(_THIS)
-{
- /* do nothing. */
-}
-
-static int
-Emscripten_CreateWindow(_THIS, SDL_Window * window)
-{
- SDL_WindowData *wdata;
- double scaled_w, scaled_h;
- double css_w, css_h;
-
- /* Allocate window internal data */
- wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
- if (wdata == NULL) {
- return SDL_OutOfMemory();
- }
-
- if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
- 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);
-
- emscripten_set_canvas_size(scaled_w, scaled_h);
-
- emscripten_get_element_css_size(NULL, &css_w, &css_h);
-
- wdata->external_size = SDL_floor(css_w) != scaled_w || SDL_floor(css_h) != scaled_h;
-
- 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;
-
- emscripten_set_canvas_size(scaled_w, scaled_h);
- SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, css_w, css_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(NULL, window->w, window->h);
- }
- }
-
- if (window->flags & SDL_WINDOW_OPENGL) {
- if (!_this->egl_data) {
- if (SDL_GL_LoadLibrary(NULL) < 0) {
- return -1;
- }
- }
- wdata->egl_surface = SDL_EGL_CreateSurface(_this, 0);
-
- if (wdata->egl_surface == EGL_NO_SURFACE) {
- return SDL_SetError("Could not create GLES window surface");
- }
- }
-
- wdata->window = window;
-
- /* Setup driver data for this window */
- window->driverdata = wdata;
-
- /* One window, it always has focus */
- SDL_SetMouseFocus(window);
- SDL_SetKeyboardFocus(window);
-
- Emscripten_RegisterEventHandlers(wdata);
-
- /* Window has been successfully created */
- return 0;
-}
-
-static void Emscripten_SetWindowSize(_THIS, SDL_Window * window)
-{
- SDL_WindowData *data;
-
- if (window->driverdata) {
- data = (SDL_WindowData *) window->driverdata;
- /* update pixel ratio */
- data->pixel_ratio = emscripten_get_device_pixel_ratio();
- emscripten_set_canvas_size(window->w * data->pixel_ratio, window->h * data->pixel_ratio);
-
- /*scale canvas down*/
- if (!data->external_size && data->pixel_ratio != 1.0f) {
- emscripten_set_element_css_size(NULL, window->w, window->h);
- }
- }
-}
-
-static void
-Emscripten_DestroyWindow(_THIS, SDL_Window * window)
-{
- SDL_WindowData *data;
-
- if(window->driverdata) {
- data = (SDL_WindowData *) window->driverdata;
-
- Emscripten_UnregisterEventHandlers(data);
- if (data->egl_surface != EGL_NO_SURFACE) {
- SDL_EGL_DestroySurface(_this, data->egl_surface);
- data->egl_surface = EGL_NO_SURFACE;
- }
- SDL_free(window->driverdata);
- window->driverdata = NULL;
- }
-}
-
-static void
-Emscripten_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
-{
- SDL_WindowData *data;
- if(window->driverdata) {
- data = (SDL_WindowData *) window->driverdata;
-
- if(fullscreen) {
- EmscriptenFullscreenStrategy strategy;
- SDL_bool is_desktop_fullscreen = (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP;
- int res;
-
- strategy.scaleMode = is_desktop_fullscreen ? EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH : EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT;
-
- if(!is_desktop_fullscreen) {
- strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE;
- } else if(window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
- 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->requested_fullscreen_mode = window->flags & (SDL_WINDOW_FULLSCREEN_DESKTOP | SDL_WINDOW_FULLSCREEN);
- data->fullscreen_resize = is_desktop_fullscreen;
-
- res = emscripten_request_fullscreen_strategy(NULL, 1, &strategy);
- if(res != EMSCRIPTEN_RESULT_SUCCESS && res != EMSCRIPTEN_RESULT_DEFERRED) {
- /* unset flags, fullscreen failed */
- window->flags &= ~(SDL_WINDOW_FULLSCREEN_DESKTOP | SDL_WINDOW_FULLSCREEN);
- }
- }
- else
- emscripten_exit_fullscreen();
- }
-}
-
-static void
-Emscripten_SetWindowTitle(_THIS, SDL_Window * window) {
- EM_ASM_INT({
- if (typeof Module['setWindowTitle'] !== 'undefined') {
- Module['setWindowTitle'](Module['Pointer_stringify']($0));
- }
- return 0;
- }, window->title);
-}
-
-#endif /* SDL_VIDEO_DRIVER_EMSCRIPTEN */
-
-/* vi: set ts=4 sw=4 expandtab: */