os/ossrv/genericopenlibs/liboil/src/composite_sse_4pix.c
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/composite_sse_4pix.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,541 @@
     1.4 +/*
     1.5 + * Copyright (c) 2005
     1.6 + *	Eric Anholt.  All rights reserved.
     1.7 + *
     1.8 + * Redistribution and use in source and binary forms, with or without
     1.9 + * modification, are permitted provided that the following conditions
    1.10 + * are met:
    1.11 + * 1. Redistributions of source code must retain the above copyright
    1.12 + *    notice, this list of conditions and the following disclaimer.
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + *
    1.17 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
    1.18 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.19 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.20 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
    1.21 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.22 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.23 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.24 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.25 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.26 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.27 + * SUCH DAMAGE.
    1.28 + */
    1.29 +
    1.30 +#ifdef HAVE_CONFIG_H
    1.31 +#include "config.h"
    1.32 +#endif
    1.33 +#include <liboilclasses.h>
    1.34 +#include <liboilfunction.h>
    1.35 +#include <emmintrin.h>
    1.36 +#include "liboil/liboilcolorspace.h"
    1.37 +
    1.38 +#define SSE_FUNCTION __attribute__((force_align_arg_pointer))
    1.39 +
    1.40 +#ifdef ENABLE_BROKEN_IMPLS
    1.41 +
    1.42 +union m128_int {
    1.43 +  __m128i m128;
    1.44 +  uint64_t ull[2];
    1.45 +};
    1.46 +
    1.47 +static const struct _SSEData {
    1.48 +  union m128_int sse_16xff;
    1.49 +  union m128_int sse_8x0080;
    1.50 +} c = {
    1.51 +    .sse_16xff.ull =	{0xffffffffffffffffULL, 0xffffffffffffffffULL},
    1.52 +    .sse_8x0080.ull =	{0x0080008000800080ULL, 0x0080008000800080ULL},
    1.53 +};
    1.54 +
    1.55 +#define MC(x) (c.sse_##x.m128)
    1.56 +
    1.57 +/* non-SSE2 compositing support */
    1.58 +#define COMPOSITE_OVER(d,s,m) ((d) + (s) - oil_muldiv_255((d),(m)))
    1.59 +#define COMPOSITE_ADD(d,s) oil_clamp_255((d) + (s))
    1.60 +#define COMPOSITE_IN(s,m) oil_muldiv_255((s),(m))
    1.61 +
    1.62 +/* This SSE2 code is based around operations on four pixels at a time.  The
    1.63 + * exception is muldiv_255_sse2, which needs to expand the four pixels into
    1.64 + * 2 sets of 2 pixels at 16 bits per channel each, for the purpose of doing
    1.65 + * the appropriate rounding on division.
    1.66 + */
    1.67 +
    1.68 +/* Shuffles the given value such that the alpha for each pixel appears in each
    1.69 + * channel of the pixel.
    1.70 + */
    1.71 +SSE_FUNCTION static inline __m128i
    1.72 +argb_A_sse2(__m128i a)
    1.73 +{
    1.74 +#if 0
    1.75 +  /* Shift the alpha channel of each pixel into the low byte */
    1.76 +  a = _mm_srli_epi32(a, 24);
    1.77 +  /* Now, shift and or so we can get it into all the channels */
    1.78 +  a = _mm_or_si128(a, _mm_slli_epi32(a, 8));
    1.79 +  a = _mm_or_si128(a, _mm_slli_epi32(a, 16));
    1.80 +  return a;
    1.81 +#else
    1.82 +  /* Move the alpha channel into the low byte */
    1.83 +  a = _mm_srli_epi32(a, 24);
    1.84 +  /* Pack our four alpha channels down into the lower 32 bits */
    1.85 +  a = _mm_packus_epi16(a, _mm_setzero_si128());
    1.86 +  a = _mm_packus_epi16(a, _mm_setzero_si128());
    1.87 +  /* And expand it back out into four pixels of all channels the same */
    1.88 +  a = _mm_unpacklo_epi8(a, a);
    1.89 +  return _mm_unpacklo_epi16(a, a);
    1.90 +#endif
    1.91 +}
    1.92 +
    1.93 +/* Multiplies the unpacked 16-bits-per-channel pixel data in a
    1.94 + * channel-by-channel by b, and divides the result by 255, with rounding.
    1.95 + */
    1.96 +SSE_FUNCTION static inline __m128i
    1.97 +inner_muldiv_255_sse2(__m128i a, __m128i b)
    1.98 +{
    1.99 +  __m128i ret;
   1.100 +  __m128i roundconst = MC(8x0080);
   1.101 +
   1.102 +  ret = _mm_mullo_epi16(a, b);
   1.103 +  ret = _mm_adds_epu16(ret, roundconst);
   1.104 +  ret = _mm_adds_epu16(ret, _mm_srli_epi16(ret, 8));
   1.105 +  ret = _mm_srli_epi16(ret, 8);
   1.106 +
   1.107 +  return ret;
   1.108 +}
   1.109 +
   1.110 +SSE_FUNCTION static inline __m128i
   1.111 +muldiv_255_sse2(__m128i a, __m128i b)
   1.112 +{
   1.113 +  __m128i alow, blow, ahigh, bhigh, low, high;
   1.114 +
   1.115 +  alow = _mm_unpacklo_epi8(a, _mm_setzero_si128());
   1.116 +  blow = _mm_unpacklo_epi8(b, _mm_setzero_si128());
   1.117 +  ahigh = _mm_unpackhi_epi8(a, _mm_setzero_si128());
   1.118 +  bhigh = _mm_unpackhi_epi8(b, _mm_setzero_si128());
   1.119 +  low = inner_muldiv_255_sse2(alow, blow);
   1.120 +  high = inner_muldiv_255_sse2(ahigh, bhigh);
   1.121 +  return _mm_packus_epi16(low, high);
   1.122 +}
   1.123 +
   1.124 +SSE_FUNCTION static inline __m128i
   1.125 +negate_argb_sse2(__m128i a)
   1.126 +{
   1.127 +  return _mm_xor_si128(a, MC(16xff));
   1.128 +}
   1.129 +
   1.130 +SSE_FUNCTION static inline __m128i
   1.131 +load_argb_sse2(const uint32_t *src)
   1.132 +{
   1.133 +  return _mm_loadu_si128((__m128i *)src);
   1.134 +}
   1.135 +
   1.136 +SSE_FUNCTION static inline __m128i
   1.137 +set1_argb_sse2(uint32_t src)
   1.138 +{
   1.139 +  return _mm_set1_epi32(src);
   1.140 +}
   1.141 +
   1.142 +SSE_FUNCTION static inline __m128i
   1.143 +load_u8_mask(const uint8_t *m)
   1.144 +{
   1.145 +  __m128i a;
   1.146 +  a = _mm_cvtsi32_si128(*(uint32_t *)m);
   1.147 +  a = _mm_unpacklo_epi8(a, a);
   1.148 +  a = _mm_unpacklo_epi16(a, a);
   1.149 +  return a;
   1.150 +}
   1.151 +
   1.152 +SSE_FUNCTION static inline __m128i
   1.153 +set1_u8_mask(uint8_t m)
   1.154 +{
   1.155 +  return _mm_set1_epi8(m);
   1.156 +}
   1.157 +
   1.158 +SSE_FUNCTION static void
   1.159 +store_argb_sse2(uint32_t *dest, __m128i pix)
   1.160 +{
   1.161 +  _mm_store_si128((__m128i *)dest, pix);
   1.162 +}
   1.163 +
   1.164 +SSE_FUNCTION static __m128i 
   1.165 +over_argb_sse2(__m128i dest, __m128i src, __m128i srca)
   1.166 +{
   1.167 +  return _mm_adds_epu8(src, muldiv_255_sse2(dest, negate_argb_sse2(srca)));
   1.168 +}
   1.169 +
   1.170 +SSE_FUNCTION static void
   1.171 +composite_in_argb_sse (uint32_t *dest, const uint32_t *src, const uint8_t *mask,
   1.172 +    int n)
   1.173 +{
   1.174 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.175 +    uint32_t s = *src++;
   1.176 +    uint8_t m = *mask++;
   1.177 +
   1.178 +    *dest++ = oil_argb(
   1.179 +	COMPOSITE_IN(oil_argb_A(s), m),
   1.180 +	COMPOSITE_IN(oil_argb_R(s), m),
   1.181 +	COMPOSITE_IN(oil_argb_G(s), m),
   1.182 +	COMPOSITE_IN(oil_argb_B(s), m));
   1.183 +  }
   1.184 +  for (; n >= 4; n -= 4) {
   1.185 +    __m128i s, m;
   1.186 +    s = load_argb_sse2(src);
   1.187 +    m = load_u8_mask(mask);
   1.188 +    store_argb_sse2(dest, muldiv_255_sse2(s, m));
   1.189 +    src += 4;
   1.190 +    mask += 4;
   1.191 +    dest += 4;
   1.192 +  }
   1.193 +  for (; n > 0; n--) {
   1.194 +    uint32_t s = *src++;
   1.195 +    uint8_t m = *mask++;
   1.196 +
   1.197 +    *dest++ = oil_argb(
   1.198 +	COMPOSITE_IN(oil_argb_A(s), m),
   1.199 +	COMPOSITE_IN(oil_argb_R(s), m),
   1.200 +	COMPOSITE_IN(oil_argb_G(s), m),
   1.201 +	COMPOSITE_IN(oil_argb_B(s), m));
   1.202 +  }
   1.203 +}
   1.204 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_argb_sse, composite_in_argb,
   1.205 +    OIL_IMPL_FLAG_SSE2);
   1.206 +
   1.207 +SSE_FUNCTION static void
   1.208 +composite_in_argb_const_src_sse (uint32_t *dest, const uint32_t *src,
   1.209 +    const uint8_t *mask, int n)
   1.210 +{
   1.211 +  __m128i s;
   1.212 +
   1.213 +  s = set1_argb_sse2(*src);
   1.214 +
   1.215 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.216 +    uint8_t m = *mask++;
   1.217 +
   1.218 +    *dest++ = oil_argb(
   1.219 +	COMPOSITE_IN(oil_argb_A(*src), m),
   1.220 +	COMPOSITE_IN(oil_argb_R(*src), m),
   1.221 +	COMPOSITE_IN(oil_argb_G(*src), m),
   1.222 +	COMPOSITE_IN(oil_argb_B(*src), m));
   1.223 +  }
   1.224 +  for (; n >= 4; n -= 4) {
   1.225 +    __m128i m;
   1.226 +    m = load_u8_mask(mask);
   1.227 +    store_argb_sse2(dest, muldiv_255_sse2(s, m));
   1.228 +    mask += 4;
   1.229 +    dest += 4;
   1.230 +  }
   1.231 +  for (; n > 0; n--) {
   1.232 +    uint8_t m = *mask++;
   1.233 +
   1.234 +    *dest++ = oil_argb(
   1.235 +	COMPOSITE_IN(oil_argb_A(*src), m),
   1.236 +	COMPOSITE_IN(oil_argb_R(*src), m),
   1.237 +	COMPOSITE_IN(oil_argb_G(*src), m),
   1.238 +	COMPOSITE_IN(oil_argb_B(*src), m));
   1.239 +  }
   1.240 +}
   1.241 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_argb_const_src_sse,
   1.242 +    composite_in_argb_const_src, OIL_IMPL_FLAG_SSE2);
   1.243 +
   1.244 +SSE_FUNCTION static void
   1.245 +composite_in_argb_const_mask_sse (uint32_t *dest, const uint32_t *src,
   1.246 +    const uint8_t *mask, int n)
   1.247 +{
   1.248 +  __m128i m;
   1.249 +
   1.250 +  m = set1_u8_mask(*mask);
   1.251 +
   1.252 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.253 +    uint32_t s = *src++;
   1.254 +
   1.255 +    *dest++ = oil_argb(
   1.256 +	COMPOSITE_IN(oil_argb_A(s), mask[0]),
   1.257 +	COMPOSITE_IN(oil_argb_R(s), mask[0]),
   1.258 +	COMPOSITE_IN(oil_argb_G(s), mask[0]),
   1.259 +	COMPOSITE_IN(oil_argb_B(s), mask[0]));
   1.260 +  }
   1.261 +  for (; n >= 4; n -= 4) {
   1.262 +    __m128i s;
   1.263 +    s = load_argb_sse2(src);
   1.264 +    store_argb_sse2(dest,  muldiv_255_sse2(s, m));
   1.265 +    src += 4;
   1.266 +    dest += 4;
   1.267 +  }
   1.268 +  for (; n > 0; n--) {
   1.269 +    uint32_t s = *src++;
   1.270 +
   1.271 +    *dest++ = oil_argb(
   1.272 +	COMPOSITE_IN(oil_argb_A(s), mask[0]),
   1.273 +	COMPOSITE_IN(oil_argb_R(s), mask[0]),
   1.274 +	COMPOSITE_IN(oil_argb_G(s), mask[0]),
   1.275 +	COMPOSITE_IN(oil_argb_B(s), mask[0]));
   1.276 +  }
   1.277 +}
   1.278 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_argb_const_mask_sse,
   1.279 +    composite_in_argb_const_mask, OIL_IMPL_FLAG_SSE2);
   1.280 +
   1.281 +SSE_FUNCTION static void
   1.282 +composite_over_argb_sse (uint32_t *dest, const uint32_t *src, int n)
   1.283 +{
   1.284 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.285 +    uint32_t d = *dest, s = *src++;
   1.286 +    uint8_t srca = oil_argb_A(s);
   1.287 +    d = oil_argb(
   1.288 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(s), srca),
   1.289 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(s), srca),
   1.290 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(s), srca),
   1.291 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(s), srca));
   1.292 +    *dest++ = d;
   1.293 +  }
   1.294 +  for (; n >= 4; n -= 4) {
   1.295 +    __m128i d, s;
   1.296 +    s = load_argb_sse2(src);
   1.297 +    d = over_argb_sse2(*(__m128i *)dest, s, argb_A_sse2(s));
   1.298 +    store_argb_sse2(dest, d);
   1.299 +    src += 4;
   1.300 +    dest += 4;
   1.301 +  }
   1.302 +  for (; n > 0; n--) {
   1.303 +    uint32_t d = *dest, s = *src++;
   1.304 +    uint8_t srca = oil_argb_A(s);
   1.305 +    d = oil_argb(
   1.306 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(s), srca),
   1.307 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(s), srca),
   1.308 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(s), srca),
   1.309 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(s), srca));
   1.310 +    *dest++ = d;
   1.311 +  }
   1.312 +}
   1.313 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_over_argb_sse, composite_over_argb,
   1.314 +    OIL_IMPL_FLAG_SSE2);
   1.315 +
   1.316 +SSE_FUNCTION static void
   1.317 +composite_over_argb_const_src_sse (uint32_t *dest, const uint32_t *src, int n)
   1.318 +{
   1.319 +  __m128i s, sa;
   1.320 +  uint32_t srca;
   1.321 +
   1.322 +  srca = oil_argb_A(*src);
   1.323 +  s = set1_argb_sse2(*src);
   1.324 +  sa = negate_argb_sse2(argb_A_sse2(s));
   1.325 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.326 +    uint32_t d = *dest;
   1.327 +    d = oil_argb(
   1.328 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(*src), srca),
   1.329 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(*src), srca),
   1.330 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(*src), srca),
   1.331 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(*src), srca));
   1.332 +    *dest++ = d;
   1.333 +  }
   1.334 +  for (; n >= 4; n -= 4) {
   1.335 +    __m128i d;
   1.336 +    d = _mm_adds_epu8(s, muldiv_255_sse2(*(__m128i *)dest, sa));
   1.337 +    store_argb_sse2(dest, d);
   1.338 +    dest += 4;
   1.339 +  }
   1.340 +  for (; n > 0; n--) {
   1.341 +    uint32_t d = *dest;
   1.342 +    d = oil_argb(
   1.343 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(*src), srca),
   1.344 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(*src), srca),
   1.345 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(*src), srca),
   1.346 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(*src), srca));
   1.347 +    *dest++ = d;
   1.348 +  }
   1.349 +}
   1.350 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_over_argb_const_src_sse,
   1.351 +    composite_over_argb_const_src, OIL_IMPL_FLAG_SSE2);
   1.352 +
   1.353 +SSE_FUNCTION static void
   1.354 +composite_in_over_argb_sse (uint32_t *dest, const uint32_t *src,
   1.355 +    const uint8_t *mask, int n)
   1.356 +{
   1.357 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.358 +    uint32_t d = *dest, s = *src++, m = *mask++, color;
   1.359 +    uint8_t srca;
   1.360 +
   1.361 +    color = oil_argb(
   1.362 +        COMPOSITE_IN(oil_argb_A(s), m),
   1.363 +        COMPOSITE_IN(oil_argb_R(s), m),
   1.364 +        COMPOSITE_IN(oil_argb_G(s), m),
   1.365 +        COMPOSITE_IN(oil_argb_B(s), m));
   1.366 +    srca = oil_argb_A(color);
   1.367 +    d = oil_argb(
   1.368 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.369 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.370 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.371 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.372 +    *dest++ = d;
   1.373 +  }
   1.374 +  for (; n >= 4; n -= 4) {
   1.375 +    __m128i d, s, m;
   1.376 +    s = load_argb_sse2(src);
   1.377 +    m = load_u8_mask(mask);
   1.378 +    s = muldiv_255_sse2(s, m);
   1.379 +    d = over_argb_sse2(*(__m128i *)dest, s, argb_A_sse2(s));
   1.380 +    store_argb_sse2(dest, d);
   1.381 +    src += 4;
   1.382 +    mask += 4;
   1.383 +    dest += 4;
   1.384 +  }
   1.385 +  for (; n > 0; n--) {
   1.386 +    uint32_t d = *dest, s = *src++, m = *mask++, color;
   1.387 +    uint8_t srca;
   1.388 +
   1.389 +    color = oil_argb(
   1.390 +        COMPOSITE_IN(oil_argb_A(s), m),
   1.391 +        COMPOSITE_IN(oil_argb_R(s), m),
   1.392 +        COMPOSITE_IN(oil_argb_G(s), m),
   1.393 +        COMPOSITE_IN(oil_argb_B(s), m));
   1.394 +    srca = oil_argb_A(color);
   1.395 +    d = oil_argb(
   1.396 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.397 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.398 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.399 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.400 +    *dest++ = d;
   1.401 +  }
   1.402 +}
   1.403 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_over_argb_sse, composite_in_over_argb,
   1.404 +    OIL_IMPL_FLAG_SSE2);
   1.405 +
   1.406 +SSE_FUNCTION static void
   1.407 +composite_in_over_argb_const_src_sse (uint32_t *dest, const uint32_t *src,
   1.408 +    const uint8_t *mask, int n)
   1.409 +{
   1.410 +  __m128i s;
   1.411 +
   1.412 +  s = set1_argb_sse2(*src);
   1.413 +
   1.414 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.415 +    uint32_t d = *dest, m = *mask++, color;
   1.416 +    uint8_t srca;
   1.417 +
   1.418 +    color = oil_argb(
   1.419 +        COMPOSITE_IN(oil_argb_A(*src), m),
   1.420 +        COMPOSITE_IN(oil_argb_R(*src), m),
   1.421 +        COMPOSITE_IN(oil_argb_G(*src), m),
   1.422 +        COMPOSITE_IN(oil_argb_B(*src), m));
   1.423 +    srca = oil_argb_A(color);
   1.424 +    d = oil_argb(
   1.425 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.426 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.427 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.428 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.429 +    *dest++ = d;
   1.430 +  }
   1.431 +  for (; n >= 4; n -= 4) {
   1.432 +    __m128i d, color, m;
   1.433 +    m = load_u8_mask(mask);
   1.434 +    color = muldiv_255_sse2(s, m);
   1.435 +    d = over_argb_sse2(*(__m128i *)dest, color, argb_A_sse2(color));
   1.436 +    store_argb_sse2(dest, d);
   1.437 +    mask += 4;
   1.438 +    dest += 4;
   1.439 +  }
   1.440 +  for (; n > 0; n--) {
   1.441 +    uint32_t d = *dest, m = *mask++, color;
   1.442 +    uint8_t srca;
   1.443 +
   1.444 +    color = oil_argb(
   1.445 +        COMPOSITE_IN(oil_argb_A(*src), m),
   1.446 +        COMPOSITE_IN(oil_argb_R(*src), m),
   1.447 +        COMPOSITE_IN(oil_argb_G(*src), m),
   1.448 +        COMPOSITE_IN(oil_argb_B(*src), m));
   1.449 +    srca = oil_argb_A(color);
   1.450 +    d = oil_argb(
   1.451 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.452 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.453 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.454 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.455 +    *dest++ = d;
   1.456 +  }
   1.457 +}
   1.458 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_over_argb_const_src_sse,
   1.459 +    composite_in_over_argb_const_src, OIL_IMPL_FLAG_SSE2);
   1.460 +
   1.461 +SSE_FUNCTION static void
   1.462 +composite_in_over_argb_const_mask_sse (uint32_t *dest, const uint32_t *src,
   1.463 +    const uint8_t *mask, int n)
   1.464 +{
   1.465 +  __m128i m;
   1.466 +
   1.467 +  m = set1_u8_mask(*mask);
   1.468 +
   1.469 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.470 +    uint32_t d = *dest, s = *src++, color;
   1.471 +    uint8_t srca;
   1.472 +
   1.473 +    color = oil_argb(
   1.474 +        COMPOSITE_IN(oil_argb_A(s), *mask),
   1.475 +        COMPOSITE_IN(oil_argb_R(s), *mask),
   1.476 +        COMPOSITE_IN(oil_argb_G(s), *mask),
   1.477 +        COMPOSITE_IN(oil_argb_B(s), *mask));
   1.478 +    srca = oil_argb_A(color);
   1.479 +    d = oil_argb(
   1.480 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.481 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.482 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.483 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.484 +    *dest++ = d;
   1.485 +  }
   1.486 +  for (; n >= 4; n -= 4) {
   1.487 +    __m128i d, s;
   1.488 +    s = load_argb_sse2(src);
   1.489 +    s = muldiv_255_sse2(s, m);
   1.490 +    d = over_argb_sse2(*(__m128i *)dest, s, argb_A_sse2(s));
   1.491 +    store_argb_sse2(dest, d);
   1.492 +    src += 4;
   1.493 +    dest += 4;
   1.494 +  }
   1.495 +  for (; n > 0; n--) {
   1.496 +    uint32_t d = *dest, s = *src++, color;
   1.497 +    uint8_t srca;
   1.498 +
   1.499 +    color = oil_argb(
   1.500 +        COMPOSITE_IN(oil_argb_A(s), *mask),
   1.501 +        COMPOSITE_IN(oil_argb_R(s), *mask),
   1.502 +        COMPOSITE_IN(oil_argb_G(s), *mask),
   1.503 +        COMPOSITE_IN(oil_argb_B(s), *mask));
   1.504 +    srca = oil_argb_A(color);
   1.505 +    d = oil_argb(
   1.506 +	COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca),
   1.507 +	COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca),
   1.508 +	COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca),
   1.509 +	COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca));
   1.510 +    *dest++ = d;
   1.511 +  }
   1.512 +}
   1.513 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_in_over_argb_const_mask_sse,
   1.514 +    composite_in_over_argb_const_mask, OIL_IMPL_FLAG_SSE2);
   1.515 +
   1.516 +SSE_FUNCTION static void
   1.517 +composite_over_u8_sse (uint8_t *dest, const uint8_t *src, int n)
   1.518 +{
   1.519 +  /* Initial operations to align the destination pointer */
   1.520 +  for (; ((long)dest & 15) && (n > 0); n--) {
   1.521 +    *dest = COMPOSITE_OVER(*dest, *src, *src);
   1.522 +    src++;
   1.523 +    dest++;
   1.524 +  }
   1.525 +  /* over_u8 can be dealt with using our argb code, with srca = s */
   1.526 +  for (; n >= 16; n -= 16) {
   1.527 +    __m128i d, s;
   1.528 +    d = *(__m128i *)dest;
   1.529 +    s = load_argb_sse2((uint32_t *)src);
   1.530 +    store_argb_sse2((uint32_t *)dest, over_argb_sse2(d, s, s));
   1.531 +    src += 16;
   1.532 +    dest += 16;
   1.533 +  }
   1.534 +  for (; n > 0; n--) {
   1.535 +    *dest = COMPOSITE_OVER(*dest, *src, *src);
   1.536 +    src++;
   1.537 +    dest++;
   1.538 +  }
   1.539 +}
   1.540 +OIL_DEFINE_IMPL_FULL_WRAPPER (composite_over_u8_sse, composite_over_u8,
   1.541 +    OIL_IMPL_FLAG_SSE2);
   1.542 +
   1.543 +#endif
   1.544 +