Symaptic: os/ossrv/genericopenlibs/liboil/src/clamp

     1 /*

     2  * Copyright (c) 2005

     3  *	Eric Anholt.  All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  * 1. Redistributions of source code must retain the above copyright

     9  *    notice, this list of conditions and the following disclaimer.

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  *    notice, this list of conditions and the following disclaimer in the

    12  *    documentation and/or other materials provided with the distribution.

    13  *

    14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND

    15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE

    18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    24  * SUCH DAMAGE.

    25  */

    26 //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

    28 #ifdef HAVE_CONFIG_H

    29 #include "config.h"

    30 #endif

    31 #include "liboil/liboilclasses.h"

    32 #include "liboil/liboilfunction.h"

    33 #include <emmintrin.h>

    34 #include <xmmintrin.h>

    36 /* TODO: If we have gcc 4.2 or above, do this. Otherwise, disable all SSE use */

    37 #define SSE_FUNCTION __attribute__((force_align_arg_pointer))

    39 SSE_FUNCTION static void

    40 clamp_u8_sse (uint8_t *dest, uint8_t *src1, int n, uint8_t *src2_1,

    41     uint8_t *src3_1)

    42 {

    43   __m128i xmm1, xmm2;

    44   uint8_t min = *src2_1;

    45   uint8_t max = *src3_1;

    47   /* Initial operations to align the destination pointer */

    48   for (; ((long)dest & 15) && (n > 0); n--) {

    49     uint8_t x = *src1++;

    50     if (x < min)

    51       x = min;

    52     if (x > max)

    53       x = max;

    54     *dest++ = x;

    55   }

    56   xmm1 = _mm_set1_epi8(min);

    57   xmm2 = _mm_set1_epi8(max);

    58   for (; n >= 16; n -= 16) {

    59     __m128i xmm0;

    60     xmm0 = _mm_loadu_si128((__m128i *)src1);

    61     xmm0 = _mm_max_epu8(xmm0, xmm1);

    62     xmm0 = _mm_min_epu8(xmm0, xmm2);

    63     _mm_store_si128((__m128i *)dest, xmm0);

    64     dest += 16;

    65     src1 += 16;

    66   }

    67   for (; n > 0; n--) {

    68     uint8_t x = *src1++;

    69     if (x < min)

    70       x = min;

    71     if (x > max)

    72       x = max;

    73     *dest++ = x;

    74   }

    75 }

    76 OIL_DEFINE_IMPL_FULL (clamp_u8_sse, clamp_u8, OIL_IMPL_FLAG_SSE2);

    78 SSE_FUNCTION static void

    79 clamp_s16_sse (int16_t *dest, int16_t *src1, int n, int16_t *src2_1,

    80     int16_t *src3_1)

    81 {

    82   __m128i xmm1, xmm2;

    83   int16_t min = *src2_1;

    84   int16_t max = *src3_1;

    86   /* Initial operations to align the destination pointer */

    87   for (; ((long)dest & 15) && (n > 0); n--) {

    88     int16_t x = *src1++;

    89     if (x < min)

    90       x = min;

    91     if (x > max)

    92       x = max;

    93     *dest++ = x;

    94   }

    95   xmm1 = _mm_set1_epi16(min);

    96   xmm2 = _mm_set1_epi16(max);

    97   for (; n >= 8; n -= 8) {

    98     __m128i xmm0;

    99     xmm0 = _mm_loadu_si128((__m128i *)src1);

   100     xmm0 = _mm_max_epi16(xmm0, xmm1);

   101     xmm0 = _mm_min_epi16(xmm0, xmm2);

   102     _mm_store_si128((__m128i *)dest, xmm0);

   103     dest += 8;

   104     src1 += 8;

   105   }

   106   for (; n > 0; n--) {

   107     int16_t x = *src1++;

   108     if (x < min)

   109       x = min;

   110     if (x > max)

   111       x = max;

   112     *dest++ = x;

   113   }

   114 }

   115 OIL_DEFINE_IMPL_FULL (clamp_s16_sse, clamp_s16, OIL_IMPL_FLAG_SSE2);

   117 SSE_FUNCTION static void

   118 clamp_f32_sse (float *dest, const float *src1, int n, const float *src2_1,

   119     const float *src3_1)

   120 {

   121   __m128 xmm1, xmm2;

   122   float min = *src2_1;

   123   float max = *src3_1;

   125   /* Initial operations to align the destination pointer */

   126   for (; ((long)dest & 15) && (n > 0); n--) {

   127     float x = *src1++;

   128     if (x < min)

   129       x = min;

   130     if (x > max)

   131       x = max;

   132     *dest++ = x;

   133   }

   134   xmm1 = _mm_set_ps1(min);

   135   xmm2 = _mm_set_ps1(max);

   136   for (; n >= 4; n -= 4) {

   137     __m128 xmm0;

   138     xmm0 = _mm_loadu_ps(src1);

   139     xmm0 = _mm_max_ps(xmm0, xmm1);

   140     xmm0 = _mm_min_ps(xmm0, xmm2);

   141     _mm_store_ps(dest, xmm0);

   142     dest += 4;

   143     src1 += 4;

   144   }

   145   for (; n > 0; n--) {

   146     float x = *src1++;

   147     if (x < min)

   148       x = min;

   149     if (x > max)

   150       x = max;

   151     *dest++ = x;

   152   }

   153 }

   154 OIL_DEFINE_IMPL_FULL (clamp_f32_sse, clamp_f32, OIL_IMPL_FLAG_SSE);

   156 SSE_FUNCTION static void

   157 clamp_f64_sse (double *dest, const double *src1, int n, const double *src2_1,

   158     const double *src3_1)

   159 {

   160   __m128d xmm1, xmm2;

   161   double min = *src2_1;

   162   double max = *src3_1;

   164   /* Initial operations to align the destination pointer */

   165   for (; ((long)dest & 15) && (n > 0); n--) {

   166     double x = *src1++;

   167     if (x < min)

   168       x = min;

   169     if (x > max)

   170       x = max;

   171     *dest++ = x;

   172   }

   173   xmm1 = _mm_set1_pd(min);

   174   xmm2 = _mm_set1_pd(max);

   175   for (; n >= 2; n -= 2) {

   176     __m128d xmm0;

   177     xmm0 = _mm_loadu_pd(src1);

   178     xmm0 = _mm_max_pd(xmm0, xmm1);

   179     xmm0 = _mm_min_pd(xmm0, xmm2);

   180     _mm_store_pd(dest, xmm0);

   181     dest += 2;

   182     src1 += 2;

   183   }

   184   for (; n > 0; n--) {

   185     double x = *src1++;

   186     if (x < min)

   187       x = min;

   188     if (x > max)

   189       x = max;

   190     *dest++ = x;

   191   }

   192 }

   193 OIL_DEFINE_IMPL_FULL (clamp_f64_sse, clamp_f64,

   194     OIL_IMPL_FLAG_SSE | OIL_IMPL_FLAG_SSE2);

   196 SSE_FUNCTION static void

   197 clamplow_u8_sse (uint8_t *dest, const uint8_t *src1, int n,

   198     const uint8_t *src2_1)

   199 {

   200   __m128i xmm1;

   201   uint8_t min = *src2_1;

   203   /* Initial operations to align the destination pointer */

   204   for (; ((long)dest & 15) && (n > 0); n--) {

   205     uint8_t x = *src1++;

   206     if (x < min)

   207       x = min;

   208     *dest++ = x;

   209   }

   210   xmm1 = _mm_set1_epi8(min);

   211   for (; n >= 16; n -= 16) {

   212     __m128i xmm0;

   213     xmm0 = _mm_loadu_si128((__m128i *)src1);

   214     xmm0 = _mm_max_epu8(xmm0, xmm1);

   215     _mm_store_si128((__m128i *)dest, xmm0);

   216     dest += 16;

   217     src1 += 16;

   218   }

   219   for (; n > 0; n--) {

   220     uint8_t x = *src1++;

   221     if (x < min)

   222       x = min;

   223     *dest++ = x;

   224   }

   225 }

   226 OIL_DEFINE_IMPL_FULL (clamplow_u8_sse, clamplow_u8, OIL_IMPL_FLAG_SSE2);

   228 SSE_FUNCTION static void

   229 clamplow_s16_sse (int16_t *dest, const int16_t *src1, int n,

   230     const int16_t *src2_1)

   231 {

   232   __m128i xmm1;

   233   int16_t min = *src2_1;

   235   /* Initial operations to align the destination pointer */

   236   for (; ((long)dest & 15) && (n > 0); n--) {

   237     int16_t x = *src1++;

   238     if (x < min)

   239       x = min;

   240     *dest++ = x;

   241   }

   242   xmm1 = _mm_set1_epi16(min);

   243   for (; n >= 8; n -= 8) {

   244     __m128i xmm0;

   245     xmm0 = _mm_loadu_si128((__m128i *)src1);

   246     xmm0 = _mm_max_epi16(xmm0, xmm1);

   247     _mm_store_si128((__m128i *)dest, xmm0);

   248     dest += 8;

   249     src1 += 8;

   250   }

   251   for (; n > 0; n--) {

   252     int16_t x = *src1++;

   253     if (x < min)

   254       x = min;

   255     *dest++ = x;

   256   }

   257 }

   258 OIL_DEFINE_IMPL_FULL (clamplow_s16_sse, clamplow_s16, OIL_IMPL_FLAG_SSE2);

   260 SSE_FUNCTION static void

   261 clamplow_f32_sse (float *dest, const float *src1, int n, const float *src2_1)

   262 {

   263   __m128 xmm1;

   264   float min = *src2_1;

   266   /* Initial operations to align the destination pointer */

   267   for (; ((long)dest & 15) && (n > 0); n--) {

   268     float x = *src1++;

   269     if (x < min)

   270       x = min;

   271     *dest++ = x;

   272   }

   273   xmm1 = _mm_set_ps1(min);

   274   for (; n >= 4; n -= 4) {

   275     __m128 xmm0;

   276     xmm0 = _mm_loadu_ps(src1);

   277     xmm0 = _mm_max_ps(xmm0, xmm1);

   278     _mm_store_ps(dest, xmm0);

   279     dest += 4;

   280     src1 += 4;

   281   }

   282   for (; n > 0; n--) {

   283     float x = *src1++;

   284     if (x < min)

   285       x = min;

   286     *dest++ = x;

   287   }

   288 }

   289 OIL_DEFINE_IMPL_FULL (clamplow_f32_sse, clamplow_f32, OIL_IMPL_FLAG_SSE);

   291 SSE_FUNCTION static void

   292 clamplow_f64_sse (double *dest, const double *src1, int n, const double *src2_1)

   293 {

   294   __m128d xmm1;

   295   double min = *src2_1;

   297   /* Initial operations to align the destination pointer */

   298   for (; ((long)dest & 15) && (n > 0); n--) {

   299     double x = *src1++;

   300     if (x < min)

   301       x = min;

   302     *dest++ = x;

   303   }

   304   xmm1 = _mm_set1_pd(min);

   305   for (; n >= 2; n -= 2) {

   306     __m128d xmm0;

   307     xmm0 = _mm_loadu_pd(src1);

   308     xmm0 = _mm_max_pd(xmm0, xmm1);

   309     _mm_store_pd(dest, xmm0);

   310     dest += 2;

   311     src1 += 2;

   312   }

   313   for (; n > 0; n--) {

   314     double x = *src1++;

   315     if (x < min)

   316       x = min;

   317     *dest++ = x;

   318   }

   319 }

   320 OIL_DEFINE_IMPL_FULL (clamplow_f64_sse, clamplow_f64,

   321     OIL_IMPL_FLAG_SSE | OIL_IMPL_FLAG_SSE2);

   323 SSE_FUNCTION static void

   324 clamphigh_u8_sse (uint8_t *dest, const uint8_t *src1, int n,

   325     const uint8_t *src2_1)

   326 {

   327   __m128i xmm1;

   328   uint8_t max = *src2_1;

   330   /* Initial operations to align the destination pointer */

   331   for (; ((long)dest & 15) && (n > 0); n--) {

   332     uint8_t x = *src1++;

   333     if (x > max)

   334       x = max;

   335     *dest++ = x;

   336   }

   337   xmm1 = _mm_set1_epi8(max);

   338   for (; n >= 16; n -= 16) {

   339     __m128i xmm0;

   340     xmm0 = _mm_loadu_si128((__m128i *)src1);

   341     xmm0 = _mm_min_epu8(xmm0, xmm1);

   342     _mm_store_si128((__m128i *)dest, xmm0);

   343     dest += 16;

   344     src1 += 16;

   345   }

   346   for (; n > 0; n--) {

   347     uint8_t x = *src1++;

   348     if (x > max)

   349       x = max;

   350     *dest++ = x;

   351   }

   352 }

   353 OIL_DEFINE_IMPL_FULL (clamphigh_u8_sse, clamphigh_u8, OIL_IMPL_FLAG_SSE2);

   355 SSE_FUNCTION static void

   356 clamphigh_s16_sse (int16_t *dest, const int16_t *src1, int n,

   357     const int16_t *src2_1)

   358 {

   359   __m128i xmm1;

   360   int16_t max = *src2_1;

   362   /* Initial operations to align the destination pointer */

   363   for (; ((long)dest & 15) && (n > 0); n--) {

   364     int16_t x = *src1++;

   365     if (x > max)

   366       x = max;

   367     *dest++ = x;

   368   }

   369   xmm1 = _mm_set1_epi16(max);

   370   for (; n >= 8; n -= 8) {

   371     __m128i xmm0;

   372     xmm0 = _mm_loadu_si128((__m128i *)src1);

   373     xmm0 = _mm_min_epi16(xmm0, xmm1);

   374     _mm_store_si128((__m128i *)dest, xmm0);

   375     dest += 8;

   376     src1 += 8;

   377   }

   378   for (; n > 0; n--) {

   379     int16_t x = *src1++;

   380     if (x > max)

   381       x = max;

   382     *dest++ = x;

   383   }

   384 }

   385 OIL_DEFINE_IMPL_FULL (clamphigh_s16_sse, clamphigh_s16, OIL_IMPL_FLAG_SSE2);

   387 SSE_FUNCTION static void

   388 clamphigh_f32_sse (float *dest, const float *src1, int n, const float *src2_1)

   389 {

   390   __m128 xmm1;

   391   float max = *src2_1;

   393   /* Initial operations to align the destination pointer */

   394   for (; ((long)dest & 15) && (n > 0); n--) {

   395     float x = *src1++;

   396     if (x > max)

   397       x = max;

   398     *dest++ = x;

   399   }

   400   xmm1 = _mm_set_ps1(max);

   401   for (; n >= 4; n -= 4) {

   402     __m128 xmm0;

   403     xmm0 = _mm_loadu_ps(src1);

   404     xmm0 = _mm_min_ps(xmm0, xmm1);

   405     _mm_store_ps(dest, xmm0);

   406     dest += 4;

   407     src1 += 4;

   408   }

   409   for (; n > 0; n--) {

   410     float x = *src1++;

   411     if (x > max)

   412       x = max;

   413     *dest++ = x;

   414   }

   415 }

   416 OIL_DEFINE_IMPL_FULL (clamphigh_f32_sse, clamphigh_f32, OIL_IMPL_FLAG_SSE);

   418 SSE_FUNCTION static void

   419 clamphigh_f64_sse (double *dest, const double *src1, int n, const double *src2_1)

   420 {

   421   __m128d xmm1;

   422   double max = *src2_1;

   424   /* Initial operations to align the destination pointer */

   425   for (; ((long)dest & 15) && (n > 0); n--) {

   426     double x = *src1++;

   427     if (x > max)

   428       x = max;

   429     *dest++ = x;

   430   }

   431   xmm1 = _mm_set1_pd(max);

   432   for (; n >= 2; n -= 2) {

   433     __m128d xmm0;

   434     xmm0 = _mm_loadu_pd(src1);

   435     xmm0 = _mm_min_pd(xmm0, xmm1);

   436     _mm_store_pd(dest, xmm0);

   437     dest += 2;

   438     src1 += 2;

   439   }

   440   for (; n > 0; n--) {

   441     double x = *src1++;

   442     if (x > max)

   443       x = max;

   444     *dest++ = x;

   445   }

   446 }

   447 OIL_DEFINE_IMPL_FULL (clamphigh_f64_sse, clamphigh_f64,

   448     OIL_IMPL_FLAG_SSE | OIL_IMPL_FLAG_SSE2);

   451 #ifdef	__SYMBIAN32__

   453 OilFunctionImpl* __oil_function_impl_clamp_u8_sse, clamp_u8() {

   454 		return &_oil_function_impl_clamp_u8_sse, clamp_u8;

   455 }

   456 #endif

   458 #ifdef	__SYMBIAN32__

   460 OilFunctionImpl* __oil_function_impl_clamp_s16_sse, clamp_s16() {

   461 		return &_oil_function_impl_clamp_s16_sse, clamp_s16;

   462 }

   463 #endif

   465 #ifdef	__SYMBIAN32__

   467 OilFunctionImpl* __oil_function_impl_clamp_f32_sse, clamp_f32() {

   468 		return &_oil_function_impl_clamp_f32_sse, clamp_f32;

   469 }

   470 #endif

   472 #ifdef	__SYMBIAN32__

   474 OilFunctionImpl* __oil_function_impl_clamp_f64_sse, clamp_f64() {

   475 		return &_oil_function_impl_clamp_f64_sse, clamp_f64;

   476 }

   477 #endif

   479 #ifdef	__SYMBIAN32__

   481 OilFunctionImpl* __oil_function_impl_clamplow_u8_sse, clamplow_u8() {

   482 		return &_oil_function_impl_clamplow_u8_sse, clamplow_u8;

   483 }

   484 #endif

   486 #ifdef	__SYMBIAN32__

   488 OilFunctionImpl* __oil_function_impl_clamplow_s16_sse, clamplow_s16() {

   489 		return &_oil_function_impl_clamplow_s16_sse, clamplow_s16;

   490 }

   491 #endif

   493 #ifdef	__SYMBIAN32__

   495 OilFunctionImpl* __oil_function_impl_clamplow_f32_sse, clamplow_f32() {

   496 		return &_oil_function_impl_clamplow_f32_sse, clamplow_f32;

   497 }

   498 #endif

   500 #ifdef	__SYMBIAN32__

   502 OilFunctionImpl* __oil_function_impl_clamplow_f64_sse, clamplow_f64() {

   503 		return &_oil_function_impl_clamplow_f64_sse, clamplow_f64;

   504 }

   505 #endif

   507 #ifdef	__SYMBIAN32__

   509 OilFunctionImpl* __oil_function_impl_clamphigh_u8_sse, clamphigh_u8() {

   510 		return &_oil_function_impl_clamphigh_u8_sse, clamphigh_u8;

   511 }

   512 #endif

   514 #ifdef	__SYMBIAN32__

   516 OilFunctionImpl* __oil_function_impl_clamphigh_s16_sse, clamphigh_s16() {

   517 		return &_oil_function_impl_clamphigh_s16_sse, clamphigh_s16;

   518 }

   519 #endif

   521 #ifdef	__SYMBIAN32__

   523 OilFunctionImpl* __oil_function_impl_clamphigh_f32_sse, clamphigh_f32() {

   524 		return &_oil_function_impl_clamphigh_f32_sse, clamphigh_f32;

   525 }

   526 #endif

   528 #ifdef	__SYMBIAN32__

   530 OilFunctionImpl* __oil_function_impl_clamphigh_f64_sse, clamphigh_f64() {

   531 		return &_oil_function_impl_clamphigh_f64_sse, clamphigh_f64;

   532 }

   533 #endif

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--