Function SDL_SetTextureAlphaMod

lib/sdl2/src/render/SDL_render.c:1345–1360

}

int
SDL_SetTextureAlphaMod(SDL_Texture * texture, Uint8 alpha)
{
    CHECK_TEXTURE_MAGIC(texture, -1);

    if (alpha < 255) {
        texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
    } else {
        texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
    }
    texture->a = alpha;
    if (texture->native) {
        return SDL_SetTextureAlphaMod(texture->native, alpha);
    }
    return 0;
}

int
SDL_GetTextureAlphaMod(SDL_Texture * texture, Uint8 * alpha)