Man page - sdl_getrenderscale(3)

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Package: libsdl3-doc
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SDL_GetRenderScale - Get the drawing scale for the current target.

Defined in SDL3/SDL_render.h

#include "SDL3/SDL.h"

bool SDL_GetRenderScale(SDL_Renderer *renderer, float *scaleX, float *scaleY);

Each render target has its own scale. This function gets the scale for the current render target.

renderer

the rendering context.

	scaleX		a pointer filled in with the horizontal scaling factor.
	scaleY		a pointer filled in with the vertical scaling factor.

Returns true on success or false on failure; call

SDL_GetError () for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.