(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_SetRenderDrawBlendMode

Set the blend mode used for drawing operations (Fill and Line).

Syntax

int SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode);

Function Parameters

renderer	the rendering context
blendMode	the SDL_BlendMode to use for blending

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

If the blend mode is not supported, the closest supported mode is chosen.

Version

This function is available since SDL 3.0.0.

Related Functions

• SDL_GetRenderDrawBlendMode
• SDL_RenderLine
• SDL_RenderLines
• SDL_RenderPoint
• SDL_RenderPoints
• SDL_RenderRect
• SDL_RenderRects
• SDL_RenderFillRect
• SDL_RenderFillRects

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CategoryAPI, CategoryRender

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