(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_CreateRenderer

Create a 2D rendering context for a window.

Syntax

SDL_Renderer * SDL_CreateRenderer(SDL_Window * window,
                       int index, Uint32 flags);

Function Parameters

window	the window where rendering is displayed
index	the index of the rendering driver to initialize, or -1 to initialize the first one supporting the requested flags
flags	0, or one or more SDL_RendererFlags OR'd together

Return Value

Returns a valid rendering context or NULL if there was an error; call SDL_GetError() for more information.

Version

This function is available since SDL 2.0.0.

Related Functions

• SDL_CreateSoftwareRenderer
• SDL_DestroyRenderer
• SDL_GetNumRenderDrivers
• SDL_GetRendererInfo

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CategoryAPI

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