From 613955b4f26553f66a29201ee2c9774318e0c91b Mon Sep 17 00:00:00 2001 From: Charlie Birks Date: Fri, 17 Feb 2017 10:13:07 +0000 Subject: [PATCH] Emscripten: only update pixel ratio if HiDPI is enabled --- src/video/emscripten/SDL_emscriptenevents.c | 4 +++- src/video/emscripten/SDL_emscriptenvideo.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/src/video/emscripten/SDL_emscriptenevents.c b/src/video/emscripten/SDL_emscriptenevents.c index 78776ae2649ef..ad8cf913a3b45 100644 --- a/src/video/emscripten/SDL_emscriptenevents.c +++ b/src/video/emscripten/SDL_emscriptenevents.c @@ -556,7 +556,9 @@ Emscripten_HandleResize(int eventType, const EmscriptenUiEvent *uiEvent, void *u SDL_WindowData *window_data = userData; /* update pixel ratio */ - window_data->pixel_ratio = emscripten_get_device_pixel_ratio(); + if (window_data->window->flags & SDL_WINDOW_ALLOW_HIGHDPI) { + window_data->pixel_ratio = emscripten_get_device_pixel_ratio(); + } if(!(window_data->window->flags & FULLSCREEN_MASK)) { diff --git a/src/video/emscripten/SDL_emscriptenvideo.c b/src/video/emscripten/SDL_emscriptenvideo.c index 54936b7e437b8..fd1a3c0f76cdf 100644 --- a/src/video/emscripten/SDL_emscriptenvideo.c +++ b/src/video/emscripten/SDL_emscriptenvideo.c @@ -263,7 +263,9 @@ static void Emscripten_SetWindowSize(_THIS, SDL_Window * window) if (window->driverdata) { data = (SDL_WindowData *) window->driverdata; /* update pixel ratio */ - data->pixel_ratio = emscripten_get_device_pixel_ratio(); + if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) { + 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*/