table of contents
- testing 3.2.10+ds-1
- unstable 3.2.10+ds-1
- experimental 3.2.16+ds-1
SDL_SetTextureAlphaMod(3) | SDL3 FUNCTIONS | SDL_SetTextureAlphaMod(3) |
NAME¶
SDL_SetTextureAlphaMod - Set an additional alpha value multiplied into render copy operations.
SYNOPSIS¶
#include <SDL3/SDL_render.h>
bool SDL_SetTextureAlphaMod(SDL_Texture *texture, Uint8 alpha);
DESCRIPTION¶
When this texture is rendered, during the copy operation the source alpha value is modulated by this alpha value according to the following formula:
srcA = srcA * (alpha / 255)
Alpha modulation is not always supported by the renderer; it will return false if alpha modulation is not supported.
FUNCTION PARAMETERS¶
RETURN VALUE¶
for more information.
THREAD SAFETY¶
This function should only be called on the main thread.
AVAILABILITY¶
This function is available since SDL 3.2.0.
SEE ALSO¶
SDL_GetTextureAlphaMod(3), SDL_SetTextureAlphaModFloat(3), SDL_SetTextureColorMod(3)
SDL 3.2.16 | Simple Directmedia Layer |