From: Søren Sandmann Pedersen <[email protected]>
This operation shows up when Firefox displays
http://dougx.net/plunder/plunder.html
---
pixman/pixman-sse2.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 84 insertions(+), 0 deletions(-)
diff --git a/pixman/pixman-sse2.c b/pixman/pixman-sse2.c
index d5349d7..2c9f5eb 100644
--- a/pixman/pixman-sse2.c
+++ b/pixman/pixman-sse2.c
@@ -3517,6 +3517,88 @@ sse2_composite_over_8888_n_8888 (pixman_implementation_t
*imp,
_mm_empty ();
}
+/*---------------------------------------------------------------------
+ * composite_over_8888_n_8888
+ */
+
+static void
+sse2_composite_src_x888_8888 (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * src_image,
+ pixman_image_t * mask_image,
+ pixman_image_t * dst_image,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ uint32_t *dst_line, *dst;
+ uint32_t *src_line, *src;
+ int32_t w;
+ int dst_stride, src_stride;
+
+
+ PIXMAN_IMAGE_GET_LINE (
+ dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
+ PIXMAN_IMAGE_GET_LINE (
+ src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
+
+ while (height--)
+ {
+ dst = dst_line;
+ dst_line += dst_stride;
+ src = src_line;
+ src_line += src_stride;
+ w = width;
+
+ /* call prefetch hint to optimize cache load*/
+ cache_prefetch ((__m128i*)src);
+
+ while (w && (unsigned long)dst & 15)
+ {
+ *dst++ = *src++ | 0xff000000;
+ w--;
+ }
+
+ /* call prefetch hint to optimize cache load*/
+ cache_prefetch ((__m128i*)src);
+
+ while (w >= 16)
+ {
+ __m128i xmm_src1, xmm_src2, xmm_src3, xmm_src4;
+
+ /* fill cache line with next memory */
+ cache_prefetch_next ((__m128i*)src);
+
+ xmm_src1 = load_128_unaligned ((__m128i*)src + 0);
+ xmm_src2 = load_128_unaligned ((__m128i*)src + 1);
+ xmm_src3 = load_128_unaligned ((__m128i*)src + 2);
+ xmm_src4 = load_128_unaligned ((__m128i*)src + 3);
+
+ save_128_aligned ((__m128i*)dst + 0, _mm_or_si128 (xmm_src1,
mask_ff000000));
+ save_128_aligned ((__m128i*)dst + 1, _mm_or_si128 (xmm_src2,
mask_ff000000));
+ save_128_aligned ((__m128i*)dst + 2, _mm_or_si128 (xmm_src3,
mask_ff000000));
+ save_128_aligned ((__m128i*)dst + 3, _mm_or_si128 (xmm_src4,
mask_ff000000));
+
+ dst += 16;
+ src += 16;
+ w -= 16;
+ }
+
+ while (w)
+ {
+ *dst++ = *src++ | 0xff000000;
+ w--;
+ }
+ }
+
+ _mm_empty ();
+}
+
/* ---------------------------------------------------------------------
* composite_over_x888_n_8888
*/
@@ -6127,6 +6209,8 @@ static const pixman_fast_path_t sse2_fast_paths[] =
PIXMAN_STD_FAST_PATH (SRC, solid, a8, x8r8g8b8,
sse2_composite_src_n_8_8888),
PIXMAN_STD_FAST_PATH (SRC, solid, a8, a8b8g8r8,
sse2_composite_src_n_8_8888),
PIXMAN_STD_FAST_PATH (SRC, solid, a8, x8b8g8r8,
sse2_composite_src_n_8_8888),
+ PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8,
sse2_composite_src_x888_8888),
+ PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8,
sse2_composite_src_x888_8888),
PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8,
sse2_composite_copy_area),
PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8,
sse2_composite_copy_area),
PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8,
sse2_composite_copy_area),
--
1.6.0.6
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