NAME¶

SDL_SetRenderScale - Set the drawing scale for rendering on the current target.

HEADER FILE¶

Defined in SDL3/SDL_render.h

SYNOPSIS¶

#include "SDL3/SDL.h"

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

DESCRIPTION¶

The drawing coordinates are scaled by the x/y scaling factors before they are used by the renderer. This allows resolution independent drawing with a single coordinate system.

If this results in scaling or subpixel drawing by the rendering backend, it will be handled using the appropriate quality hints. For best results use integer scaling factors.

FUNCTION PARAMETERS¶

renderer

the rendering context.

scaleX

the horizontal scaling factor.

scaleY

the vertical scaling factor.

RETURN VALUE¶

Returns true on success or false on failure; call

SDL_GetError () for more information.

THREAD SAFETY¶

You may only call this function from the main thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.

SEE ALSO¶

•(3), SDL_GetRenderScale(3)