SDL_CreateRenderer

Use this function to create and make active a 2D rendering context for a window.

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Syntax

int SDL_CreateRenderer(SDL_WindowID windowID,
                       int          index,
                       Uint32       flags)

windowID	the window used for rendering
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; see Remarks for details

0 on success, -1 if there was an error creating the renderer

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An enumeration of flags used when creating a rendering context.

Contents

SDL_RENDERER_SOFTWARE	the renderer is a software fallback
SDL_RENDERER_ACCELERATED	the renderer uses hardware acceleration
SDL_RENDERER_PRESENTVSYNC	present is synchronized with the refresh rate
SDL_RENDERER_TARGETTEXTURE	the renderer supports rendering to texture

Note that providing no flags gives priority to available SDL_RENDERER_ACCELERATED renderers.

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