SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Set a device independent resolution and presentation mode for rendering.

Header File

Defined in <SDL3/SDL_render.h>


int SDL_SetRenderLogicalPresentation(SDL_Renderer *renderer, int w, int h, SDL_RendererLogicalPresentation mode, SDL_ScaleMode scale_mode);

Function Parameters

SDL_Renderer * renderer the rendering context.
int w the width of the logical resolution.
int h the height of the logical resolution.
SDL_RendererLogicalPresentation mode the presentation mode used.
SDL_ScaleMode scale_mode the scale mode used.

Return Value

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


This function sets the width and height of the logical rendering output. A render target is created at the specified size and used for rendering and then copied to the output during presentation.

You can disable logical coordinates by setting the mode to SDL_LOGICAL_PRESENTATION_DISABLED, and in that case you get the full pixel resolution of the output window.

You can convert coordinates in an event into rendering coordinates using SDL_ConvertEventToRenderCoordinates().


This function is available since SDL 3.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryRender

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