genericopenlibs/liboil/src/mmx/composite_mmx.c
branchRCL_3
changeset 56 acd3cd4aaceb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/mmx/composite_mmx.c	Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2005
+ *	Eric Anholt.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <liboil/liboilclasses.h>
+#include <liboil/liboilfunction.h>
+
+#ifdef HAVE_GCC_ASM             
+#include <mmintrin.h>  
+
+static void
+composite_add_u8_const_src_mmx (uint8_t *dest, uint8_t *src1_1, int n)
+{
+  __m64 xmm0;
+  uint8_t add = *src1_1;
+
+  xmm0 = _mm_set1_pi8(add);
+  for (; n >= 8; n -= 8) {
+    *(__m64 *)dest = _mm_adds_pu8(xmm0, *(__m64 *)dest);
+    dest += 8;
+  }
+  for (; n > 0; n--) {
+    int val = *dest + add;
+    if (val > 255)
+      val = 255;
+    *dest++ = val;
+  }
+  _mm_empty();
+}
+
+OIL_DEFINE_IMPL_FULL (composite_add_u8_const_src_mmx,
+    composite_add_u8_const_src, OIL_IMPL_FLAG_MMX);
+#endif
+
+#if 0
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_composite_add_u8_const_src_mmx() {
+		return &_oil_function_impl_composite_add_u8_const_src_mmx;
+}
+#endif
+#endif