Function SDL_GetRenderLogicalPresentation 

pub unsafe extern "C" fn SDL_GetRenderLogicalPresentation(
    renderer: *mut SDL_Renderer,
    w: *mut c_int,
    h: *mut c_int,
    mode: *mut SDL_RendererLogicalPresentation,
) -> bool

Get device independent resolution and presentation mode for rendering.

This function gets the width and height of the logical rendering output, or 0 if a logical resolution is not enabled.

Each render target has its own logical presentation state. This function gets the state for the current render target.

Parameters

• renderer: the rendering context.
• w: an int filled with the logical presentation width.
• h: an int filled with the logical presentation height.
• mode: a variable filled with the logical presentation mode being used.

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

• SDL_SetRenderLogicalPresentation