Lines Matching refs:alpha
103 DSP_TRY_CC_AND_AA - Define if you want to try HWA color-key and alpha blitters
105 but hw alpha is neck-and-neck with SDL's soft bitter.
168 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha);
209 RGBColor alpha; // alpha color
1018 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha)
1020 surface->hwdata->alpha.red = (alpha / 255.0) * 65535;
1021 surface->hwdata->alpha.blue = (alpha / 255.0) * 65535;
1022 surface->hwdata->alpha.green = (alpha / 255.0) * 65535;
1171 OpColor (&(src->hwdata->alpha));
1188 OpColor (&(src->hwdata->alpha));