mmx: add scaled bilinear over_8888_8_8888

Loongson:
image             firefox-fishtank 1665.163 1670.370   0.17%    3/3
image             firefox-fishtank 1037.738 1040.218   0.19%    3/3

ARM/iwMMXt:
image             firefox-fishtank 2042.723 2045.308   0.10%    3/3
image             firefox-fishtank 1487.282 1492.640   0.17%    3/3

diff --git a/pixman/pixman-mmx.c b/pixman/pixman-mmx.c
index bf66a63..0c79f3a 100644 (file)
--- a/pixman/pixman-mmx.c
+++ b/pixman/pixman-mmx.c
@@ -3567,6 +3567,12 @@ do {                                                                             \
     pix = lo;                                                                  \
 } while (0)
 
+#define BILINEAR_SKIP_ONE_PIXEL()                                              \
+do {                                                                           \
+    vx += unit_x;                                                              \
+    mm_x = _mm_add_pi16 (mm_x, mm_ux);                                         \
+} while(0)
+
 static force_inline void
 scaled_bilinear_scanline_mmx_8888_8888_SRC (uint32_t *       dst,
                                            const uint32_t * mask,
@@ -3659,6 +3665,79 @@ FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_normal_OVER,
                               scaled_bilinear_scanline_mmx_8888_8888_OVER,
                               uint32_t, uint32_t, uint32_t,
                               NORMAL, FLAG_NONE)
+
+static force_inline void
+scaled_bilinear_scanline_mmx_8888_8_8888_OVER (uint32_t *       dst,
+                                              const uint8_t  * mask,
+                                              const uint32_t * src_top,
+                                              const uint32_t * src_bottom,
+                                              int32_t          w,
+                                              int              wt,
+                                              int              wb,
+                                              pixman_fixed_t   vx,
+                                              pixman_fixed_t   unit_x,
+                                              pixman_fixed_t   max_vx,
+                                              pixman_bool_t    zero_src)
+{
+    BILINEAR_DECLARE_VARIABLES;
+    __m64 pix1, pix2;
+    uint32_t m;
+
+    while (w)
+    {
+       m = (uint32_t) *mask++;
+
+       if (m)
+       {
+           BILINEAR_INTERPOLATE_ONE_PIXEL (pix1);
+
+           if (m == 0xff && is_opaque (pix1))
+           {
+               store (dst, pix1);
+           }
+           else
+           {
+               __m64 ms, md, ma, msa;
+
+               pix2 = load (dst);
+               ma = expand_alpha_rev (to_m64 (m));
+               ms = _mm_unpacklo_pi8 (pix1, _mm_setzero_si64 ());
+               md = _mm_unpacklo_pi8 (pix2, _mm_setzero_si64 ());
+
+               msa = expand_alpha (ms);
+
+               store8888 (dst, (in_over (ms, msa, ma, md)));
+           }
+       }
+       else
+       {
+           BILINEAR_SKIP_ONE_PIXEL ();
+       }
+
+       w--;
+       dst++;
+    }
+
+    _mm_empty ();
+}
+
+FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_cover_OVER,
+                              scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
+                              uint32_t, uint8_t, uint32_t,
+                              COVER, FLAG_HAVE_NON_SOLID_MASK)
+FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_pad_OVER,
+                              scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
+                              uint32_t, uint8_t, uint32_t,
+                              PAD, FLAG_HAVE_NON_SOLID_MASK)
+FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_none_OVER,
+                              scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
+                              uint32_t, uint8_t, uint32_t,
+                              NONE, FLAG_HAVE_NON_SOLID_MASK)
+FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_normal_OVER,
+                              scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
+                              uint32_t, uint8_t, uint32_t,
+                              NORMAL, FLAG_HAVE_NON_SOLID_MASK)
+
 static uint32_t *
 mmx_fetch_x8r8g8b8 (pixman_iter_t *iter, const uint32_t *mask)
 {
@@ -3926,6 +4005,11 @@ static const pixman_fast_path_t mmx_fast_paths[] =
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8r8g8b8,         a8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8b8g8r8,         a8b8g8r8, mmx_8888_8888                     ),
 
+    SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, mmx_8888_8_8888                   ),
+    SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, mmx_8888_8_8888                   ),
+    SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, mmx_8888_8_8888                   ),
+    SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, mmx_8888_8_8888                   ),
+
     { PIXMAN_OP_NONE },
 };