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Using SDL2, is there a way to determine at runtime whether the application is using OpenGL, OpenGLES, or DirectX?

EDIT: If there is a way to figure it out without using the SDL2 API, I'm willing to throw that code into my project.

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Posting this as a comment, as I'm not 100% sure this is correct. But I think I saw in the code that it is decided at compile time what renderer is used so this information might not be available at run-time. –  Roy T. yesterday
    
@RoyT. Yeah, I saw that. I believe it was meant for SDL2's internal use. I've edited the answer to allow for ways without using SDL's API. –  147ofthem yesterday
    
SDL just creates a window for you. Whether you use OpenGL(ES) or DirectX with it is up to you. Or are you asking about SDL renderers that use that window? In that case SDL_GetRendererInfo might be for you. –  kolrabi yesterday

1 Answer 1

up vote 2 down vote

Once upon a time there was Google.

Now this seems to be what you are looking for:

const char* SDL_GetCurrentVideoDriver(void)

Returns the name of the current video driver or NULL if no driver has been initialized.

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Tested it on two computers: SDL_GetCurrentVideoDriver() returns string windows. When I tried to print all avalible "drivers", I got these three: windows, dummy and ` ` (empty string). –  HolyBlackCat 2 days ago
    
Try going to the implementation of that function. See how it decides what to return. It's possible that you can find some clues there. –  Eejin 2 days ago
    
I knew about this, but @HolyBlackCat is right. The title is misleading. There are a lot of functions that sound like they'd get what I need, but I can only find functions to get platform stuff and whether or not SDL is using software rendering or hardware accelerated rendering. –  147ofthem 2 days ago
    
@HolyBlackCat Maybe "windows" is a code for "DirectX". Have you tried to test this line on a Linux machine? Maybe the result will vary. –  AlphSpirit yesterday
    
I have not any PC with linux nor installed virtual machine. I can't test it. –  HolyBlackCat yesterday

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