(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_GetTextureAlphaModFloat

Get the additional alpha value multiplied into render copy operations.

Header File

Defined in <SDL3/SDL_render.h>

Syntax

bool SDL_GetTextureAlphaModFloat(SDL_Texture *texture, float *alpha);

Function Parameters

SDL_Texture *	texture	the texture to query.
float *	alpha	a pointer filled in with the current alpha value.

Return Value

(bool) 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.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_GetTextureAlphaMod
• SDL_GetTextureColorModFloat
• SDL_SetTextureAlphaModFloat

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CategoryAPI, CategoryAPIFunction, CategoryRender

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