Add new fbCompositeOver_x888x8x8888mmx() operation

diff --git a/pixman/pixman-mmx.c b/pixman/pixman-mmx.c
index 8025150..39efbba 100644 (file)
--- a/pixman/pixman-mmx.c
+++ b/pixman/pixman-mmx.c
@@ -2929,4 +2929,70 @@ fbCompositeCopyAreammx (pixman_op_t       op,
                    xSrc, ySrc, xDst, yDst, width, height);
 }
 
+void
+fbCompositeOver_x888x8x8888mmx (pixman_op_t      op,
+                               pixman_image_t * pSrc,
+                               pixman_image_t * pMask,
+                               pixman_image_t * pDst,
+                               int16_t      xSrc,
+                               int16_t      ySrc,
+                               int16_t      xMask,
+                               int16_t      yMask,
+                               int16_t      xDst,
+                               int16_t      yDst,
+                               uint16_t     width,
+                               uint16_t     height)
+{
+    uint32_t   *src, *srcLine;
+    uint32_t    *dst, *dstLine;
+    uint8_t    *mask, *maskLine;
+    int                 srcStride, maskStride, dstStride;
+    __m64 m;
+    uint32_t s, d;
+    uint16_t w;
+
+    fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
+    fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
+    fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
+
+    while (height--)
+    {
+       src = srcLine;
+       srcLine += srcStride;
+       dst = dstLine;
+       dstLine += dstStride;
+       mask = maskLine;
+       maskLine += maskStride;
+
+       w = width;
+
+       while (w--)
+       {
+           ullong m = *mask;
+
+           if (m)
+           {
+               __m64 s = load8888 (*src);
+
+               if (m == 0xff)
+                   *dst = store8888 (s);
+               else
+               {
+                   __m64 sa = expand_alpha (s);
+                   __m64 vm = expand_alpha_rev ((__m64)m);
+                   __m64 vdest = in_over(s, sa, vm, load8888 (*dst));
+               }
+           }
+           
+           mask++;
+           dst++;
+           src++;
+       }
+    }
+
+    _mm_empty();
+}
+
+
+
 #endif /* USE_MMX */

diff --git a/pixman/pixman-mmx.h b/pixman/pixman-mmx.h
index c666f43..044e776 100644 (file)
--- a/pixman/pixman-mmx.h
+++ b/pixman/pixman-mmx.h
@@ -311,5 +311,18 @@ fbCompositeSolidFillmmx (pixman_op_t op,
                         int16_t      yDst,
                         uint16_t     width,
                         uint16_t     height);
+void
+fbCompositeOver_x888x8x8888mmx (pixman_op_t      op,
+                               pixman_image_t * pSrc,
+                               pixman_image_t * pMask,
+                               pixman_image_t * pDst,
+                               int16_t      xSrc,
+                               int16_t      ySrc,
+                               int16_t      xMask,
+                               int16_t      yMask,
+                               int16_t      xDst,
+                               int16_t      yDst,
+                               uint16_t     width,
+                               uint16_t     height);
 
 #endif /* USE_MMX */

diff --git a/pixman/pixman-pict.c b/pixman/pixman-pict.c
index f2d5d0a..bd4c1f1 100644 (file)
--- a/pixman/pixman-pict.c
+++ b/pixman/pixman-pict.c
@@ -1470,7 +1470,12 @@ pixman_image_composite (pixman_op_t      op,
                        (pDst->bits.format == PIXMAN_a8r8g8b8 ||
                         pDst->bits.format == PIXMAN_x8r8g8b8))
                    {
-                       func = fbCompositeOver_x888x8x8888;
+#ifdef USE_MMX
+                       if (pixman_have_mmx())
+                           func = fbCompositeOver_x888x8x8888mmx;
+                       else
+#endif
+                           func = fbCompositeOver_x888x8x8888;
                    }
                }
            }