Lines Matching refs:alpha
106 #define OPAQUE_BLIT(to, from, length, bpp, alpha) \ argument
116 #define ALPHA_BLIT32_888(to, from, length, bpp, alpha) \ argument
126 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \
129 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
140 #define ALPHA_BLIT16_565(to, from, length, bpp, alpha) \ argument
145 Uint32 ALPHA = alpha >> 3; \
157 #define ALPHA_BLIT16_555(to, from, length, bpp, alpha) \ argument
162 Uint32 ALPHA = alpha >> 3; \
177 #define ALPHA_BLIT_ANY(to, from, length, bpp, alpha) \ argument
206 rd += (rs - rd) * alpha >> 8; \
207 gd += (gs - gd) * alpha >> 8; \
208 bd += (bs - bd) * alpha >> 8; \
242 #define ALPHA_BLIT32_888_50(to, from, length, bpp, alpha) \ argument
270 #define ALPHA_BLIT16_50(to, from, length, bpp, alpha, mask) \ argument
299 #define ALPHA_BLIT16_565_50(to, from, length, bpp, alpha) \ argument
300 ALPHA_BLIT16_50(to, from, length, bpp, alpha, 0xf7deU)
302 #define ALPHA_BLIT16_555_50(to, from, length, bpp, alpha) \ argument
303 ALPHA_BLIT16_50(to, from, length, bpp, alpha, 0xfbdeU)
305 #define CHOOSE_BLIT(blitter, alpha, fmt) \ argument
307 if (alpha == 255) { \
326 if (alpha == 128) { \
339 if (alpha == 128) { \
363 if (alpha == 128) { \
393 Uint8 * dstbuf, SDL_Rect * srcrect, unsigned alpha) in RLEClipBlit() argument
425 len, bpp, alpha); \ in RLEClipBlit()
442 CHOOSE_BLIT(RLECLIPBLIT, alpha, fmt); in RLEClipBlit()
458 unsigned alpha; in SDL_RLEBlit() local
518 alpha = surf_src->map->info.a; in SDL_RLEBlit()
521 RLEClipBlit(w, srcbuf, surf_dst, dstbuf, srcrect, alpha); in SDL_RLEBlit()
535 do_blit(dstbuf + ofs * bpp, srcbuf, run, bpp, alpha); \ in SDL_RLEBlit()
549 CHOOSE_BLIT(RLEBLIT, alpha, fmt); in SDL_RLEBlit()
577 unsigned alpha = s >> 24; \
580 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \
583 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
595 unsigned alpha = (s & 0x3e0) >> 5; \
598 d += (s - d) * alpha >> 5; \
607 unsigned alpha = (s & 0x3e0) >> 5; \
610 d += (s - d) * alpha >> 5; \
916 unsigned alpha = dfmt->Amask ? 255 : 0; in uncopy_opaque_16() local
920 PIXEL_FROM_RGBA(*dst, dfmt, r, g, b, alpha); in uncopy_opaque_16()