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SDL Wiki

SDL_GetDisplayMode

Get information about a specific display mode.

Syntax

int SDL_GetDisplayMode(int displayIndex, int modeIndex,
                       SDL_DisplayMode * mode);

Function Parameters

displayIndex

the index of the display to query

modeIndex

the index of the display mode to query

mode

an SDL_DisplayMode structure filled in with the mode at modeIndex

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

The display modes are sorted in this priority:

Code Examples

    int display_count = 0, display_index = 0, mode_index = 0;
    SDL_DisplayMode mode = { SDL_PIXELFORMAT_UNKNOWN, 0, 0, 0, 0 };

    if ((display_count = SDL_GetNumVideoDisplays()) < 1) {
        SDL_Log("SDL_GetNumVideoDisplays returned: %i", display_count);
        return 1;
    }

    if (SDL_GetDisplayMode(display_index, mode_index, &mode) != 0) {
        SDL_Log("SDL_GetDisplayMode failed: %s", SDL_GetError());
        return 1;       
    }
    SDL_Log("SDL_GetDisplayMode(0, 0, &mode):\t\t%i bpp\t%i x %i",
    SDL_BITSPERPIXEL(mode.format), mode.w, mode.h);
SDL_GetNumDisplayModes

CategoryAPI, CategoryVideo


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