# SDL_SetDefaultTextureScaleMode Set default scale mode for new textures for given renderer. ## Header File Defined in [<SDL3/SDL_render.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h) ## Syntax ```c bool SDL_SetDefaultTextureScaleMode(SDL_Renderer *renderer, SDL_ScaleMode scale_mode); ``` ## Function Parameters | | | | | ------------------------------ | -------------- | --------------------------------------------- | | [SDL_Renderer](SDL_Renderer) * | **renderer** | the renderer to update. | | [SDL_ScaleMode](SDL_ScaleMode) | **scale_mode** | the scale mode to change to for new textures. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks When a renderer is created, scale_mode defaults to [SDL_SCALEMODE_LINEAR](SDL_SCALEMODE_LINEAR). ## Thread Safety This function should only be called on the main thread. ## Version This function is available since SDL 3.4.0. ## See Also - [SDL_GetDefaultTextureScaleMode](SDL_GetDefaultTextureScaleMode) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)