469 static void blending(context_t* c, pixel_t* fragment, pixel_t* fb);
496 void blending(context_t* c, pixel_t* fragment, pixel_t* fb)  in blending()  argument
498     rescale(fragment->c[0], fragment->s[0], fb->c[0], fb->s[0]);  in blending()
499     rescale(fragment->c[1], fragment->s[1], fb->c[1], fb->s[1]);  in blending()
500     rescale(fragment->c[2], fragment->s[2], fb->c[2], fb->s[2]);  in blending()
501     rescale(fragment->c[3], fragment->s[3], fb->c[3], fb->s[3]);  in blending()
504     blend_factor(c, &sf, c->state.blend.src, fragment, fb);  in blending()
505     blend_factor(c, &df, c->state.blend.dst, fragment, fb);  in blending()
507     fragment->c[1] =  in blending()
508             gglMulAddx(fragment->c[1], sf.c[1], gglMulx(fb->c[1], df.c[1]));  in blending()
509     fragment->c[2] =  in blending()
510             gglMulAddx(fragment->c[2], sf.c[2], gglMulx(fb->c[2], df.c[2]));  in blending()
511     fragment->c[3] =  in blending()
512             gglMulAddx(fragment->c[3], sf.c[3], gglMulx(fb->c[3], df.c[3]));  in blending()
515         blend_factor(c, &sf, c->state.blend.src_alpha, fragment, fb);  in blending()
516         blend_factor(c, &df, c->state.blend.dst_alpha, fragment, fb);  in blending()
519     fragment->c[0] =  in blending()
520             gglMulAddx(fragment->c[0], sf.c[0], gglMulx(fb->c[0], df.c[0]));  in blending()
523     if (fragment->c[0] >= (1LU<<fragment->s[0]))  in blending()
524         fragment->c[0] = (1<<fragment->s[0])-1;  in blending()
525     if (fragment->c[1] >= (1LU<<fragment->s[1]))  in blending()
526         fragment->c[1] = (1<<fragment->s[1])-1;  in blending()
527     if (fragment->c[2] >= (1LU<<fragment->s[2]))  in blending()
528         fragment->c[2] = (1<<fragment->s[2])-1;  in blending()
529     if (fragment->c[3] >= (1LU<<fragment->s[3]))  in blending()
530         fragment->c[3] = (1<<fragment->s[3])-1;  in blending()
700     pixel_t fragment;  in scanline()  local
712         fragment.s[1] = fragment.s[2] =  in scanline()
713         fragment.s[3] = fragment.s[0] = 8;  in scanline()
714         fragment.c[1] = r >> (GGL_COLOR_BITS-8);  in scanline()
715         fragment.c[2] = g >> (GGL_COLOR_BITS-8);  in scanline()
716         fragment.c[3] = b >> (GGL_COLOR_BITS-8);  in scanline()
717         fragment.c[0] = a >> (GGL_COLOR_BITS-8);  in scanline()
811                     uint32_t& Cf = fragment.c[j];  in scanline()
813                     uint8_t& sf  = fragment.s[j];  in scanline()
859             fragment.c[0] = (int64_t(fragment.c[0]) * cf) >> 15;  in scanline()
865             GGLcolor alpha = (uint64_t(fragment.c[0]) *  in scanline()
866                     ((1<<GGL_COLOR_BITS)-1)) / ((1<<fragment.s[0])-1);  in scanline()
913                 uint32_t& c = fragment.c[i];  in scanline()
914                 uint8_t& s  = fragment.s[i];  in scanline()
927             blending( c, &fragment, &fb );  in scanline()
932                 &(c->state.buffers.color), c, x, y, &fragment);  in scanline()