I have different behaviour creating a full screen SDL window between
Sailfish OS and other mobile platforms I have tested.
I am using the same source code below:
SDL_Window* pWindow = SDL_CreateWindow("", 0, 0, 0, 0,
SDL_WINDOW_OPENGL|SDL_WINDOW_FULLSCREEN|SDL_WINDOW_SHOWN);
int ActualScreenWidth_ = -1;
int ActualScreenHeight_ = -1;
SDL_GetWindowSize(pWindow, &ActualScreenWidth_, &ActualScreenHeight_);
In all cases including Sailfish OS I get the correct width and height
of the device, but (yes there is a but) on Sailfish OS nothing is
drawn on screen when I later try to render an image. I have tested
this on the emulator and on the actual device. Also I have tested this
not only with my code but also with code I've found at
https://github.com/thp/sdl2-opengles-test
If I modify my code to:
SDL_Window* pWindow = SDL_CreateWindow("", 0, 0, 0, 0,
SDL_WINDOW_OPENGL|SDL_WINDOW_FULLSCREEN|SDL_WINDOW_SHOWN);
int ActualScreenWidth_ = -1;
int ActualScreenHeight_ = -1;
SDL_GetWindowSize(pWindow, &ActualScreenWidth_, &ActualScreenHeight_);
*SDL_DestroyWindow(pWindow);*
pWindow = SDL_CreateWindow("",
0, 0,
*ActualScreenWidth_, ActualScreenHeight_*,
SDL_WINDOW_OPENGL|SDL_WINDOW_FULLSCREEN|SDL_WINDOW_SHOWN);
Which I think is strange since in the first place the *pWindow* I get
from the first call is valid and the values I get from querying the
window size correspond to the device's resolution.
Besides the first code snippet works on all platforms I've tested from
plain PC to mobile platforms such as webOS. BlackBerry (PlayBook and
BB10) and iOS
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