SDL_GetRenderScale

sdl3_sys::render

Function SDL_GetRenderScale 

Source 
pub unsafe extern "C" fn SDL_GetRenderScale(
    renderer: *mut SDL_Renderer,
    scaleX: *mut c_float,
    scaleY: *mut c_float,
) -> bool
Expand description

Get the drawing scale for the current target.

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

§Parameters

  • renderer: the rendering context.
  • scaleX: a pointer filled in with the horizontal scaling factor.
  • scaleY: a pointer filled in with the vertical scaling factor.

§Return value

Returns true on success or false on failure; call SDL_GetError() for more information.

§Thread safety

This function should only be called on the main thread.

§Availability

This function is available since SDL 3.2.0.

§See also