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Emscripten: adjust resolution to the device DPI

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This commit is contained in:
Sergii Pylypenko
2021-12-19 01:38:36 +02:00
parent f6245a47e0
commit eab51cb2b9
2 changed files with 5 additions and 1 deletions
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4
src/video/sdl2_v.cpp
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@@ -86,6 +86,9 @@ static void FindResolutions()
_resolutions.clear();
SDL_DisplayMode mode;
SDL_GetDesktopDisplayMode(0, &mode);
// Stupid mobile web browser reports 2x smaller window size
mode.w *= emscripten_get_device_pixel_ratio();
mode.h *= emscripten_get_device_pixel_ratio();
_resolutions.emplace_back(mode.w, mode.h); // 1920x1080
_resolutions.emplace_back(mode.w * 8 / 9, mode.h * 8 / 9); // 8 / 9 : 1920x1080 -> 1706x960
_resolutions.emplace_back(mode.w * 7 / 8, mode.h * 7 / 8); // 7 / 8 : 1920x1080 -> 1680x945
@@ -99,6 +102,7 @@ static void FindResolutions()
_resolutions.emplace_back(mode.w * 4 / 9, mode.h * 4 / 9); // 4 / 9 : 1920x1080 -> 853x480
_resolutions.emplace_back(mode.w * 3 / 8, mode.h * 3 / 8); // 3 / 8 : 1920x1080 -> 720x405
_resolutions.emplace_back(mode.w * 2 / 6, mode.h * 2 / 6); // 2 / 6 : 1920x1080 -> 640x360
_resolutions.emplace_back(mode.w * 5 / 18, mode.h * 5 / 18); // 5 / 18: 1920x1080 -> 533x300
_resolutions.emplace_back(mode.w * 2 / 8, mode.h * 2 / 8); // 2 / 8 : 1920x1080 -> 480x270
_resolutions.emplace_back(mode.w * 2 / 9, mode.h * 2 / 9); // 2 / 9 : 1920x1080 -> 426x240
#endif