From 6939a032558f3e53146f0447ce74bfd78d5ed677 Mon Sep 17 00:00:00 2001 From: Leon Krause Date: Wed, 23 Jan 2019 03:39:45 +0100 Subject: [PATCH] Allow requesting full screen during start-up in HTML5 platform --- platform/javascript/os_javascript.cpp | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp index b92634c8d60..d7ba4540514 100644 --- a/platform/javascript/os_javascript.cpp +++ b/platform/javascript/os_javascript.cpp @@ -861,8 +861,21 @@ Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, video_driver_index = p_video_driver; video_mode = p_desired; - // Can't fulfill fullscreen request during start-up due to browser security. + // fullscreen_change_callback will correct this if the request is successful. video_mode.fullscreen = false; + // Emscripten only attempts fullscreen requests if the user input callback + // was registered through one its own functions, so request manually for + // start-up fullscreen. + if (p_desired.fullscreen) { + /* clang-format off */ + EM_ASM({ + (canvas.requestFullscreen || canvas.msRequestFullscreen || + canvas.mozRequestFullScreen || canvas.mozRequestFullscreen || + canvas.webkitRequestFullscreen + ).call(canvas); + }); + /* clang-format on */ + } /* clang-format off */ if (EM_ASM_INT_V({ return Module.resizeCanvasOnStart })) { /* clang-format on */