author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
18
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/* |
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* Copyright (c) 2005 |
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* Eric Anholt. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <liboilclasses.h> |
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#include <liboilfunction.h> |
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#include <emmintrin.h> |
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#include "liboil/liboilcolorspace.h" |
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#define SSE_FUNCTION __attribute__((force_align_arg_pointer)) |
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/* non-SSE2 compositing support */ |
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#define COMPOSITE_OVER(d,s,m) ((d) + (s) - oil_muldiv_255((d),(m))) |
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#define COMPOSITE_ADD(d,s) oil_clamp_255((d) + (s)) |
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#define COMPOSITE_IN(s,m) oil_muldiv_255((s),(m)) |
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/* rgba values in SSE2 code will be unpacked as 16-bit integers per channel with |
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* the channel value in the low byte. This means 2 pixels per pass. |
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*/ |
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#ifdef ENABLE_BROKEN_IMPLS |
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union m128_int { |
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__m128i m128; |
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uint64_t ull[2]; |
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}; |
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static const struct _SSEData { |
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union m128_int sse_8x00ff; |
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union m128_int sse_8x0080; |
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} c = { |
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.sse_8x00ff.ull = {0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL}, |
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.sse_8x0080.ull = {0x0080008000800080ULL, 0x0080008000800080ULL}, |
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}; |
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#define MC(x) (c.sse_##x.m128) |
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/* Shuffles the given value such that the alpha for each pixel appears in each |
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* channel of the pixel. |
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*/ |
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SSE_FUNCTION static inline __m128i |
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argb_A_sse2(__m128i a) |
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{ |
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a = _mm_shufflehi_epi16(a, _MM_SHUFFLE(3,3,3,3)); |
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a = _mm_shufflelo_epi16(a, _MM_SHUFFLE(3,3,3,3)); |
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return a; |
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} |
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/* Multiplies the pixel data in a channel-by-channel by b, and divides the |
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* result by 255, with rounding. |
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*/ |
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SSE_FUNCTION static inline __m128i |
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muldiv_255_sse2(__m128i a, __m128i b) |
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{ |
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__m128i ret; |
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__m128i roundconst = MC(8x0080); |
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|
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ret = _mm_mullo_epi16(a, b); |
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ret = _mm_adds_epu16(ret, roundconst); |
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ret = _mm_adds_epu16(ret, _mm_srli_epi16(ret, 8)); |
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ret = _mm_srli_epi16(ret, 8); |
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|
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return ret; |
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} |
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|
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SSE_FUNCTION static inline __m128i |
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negate_argb_sse2(__m128i a) |
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{ |
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return _mm_xor_si128(a, MC(8x00ff)); |
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} |
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/* Loads the 2 (unaligned) pixels at *src into unpacked SSE2 registers */ |
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SSE_FUNCTION static inline __m128i |
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load_argb_sse2(const uint32_t *src) |
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{ |
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__m128i pix; |
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102 |
|
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pix = _mm_loadl_epi64((__m128i *)src); |
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pix = _mm_unpacklo_epi8(pix, _mm_setzero_si128()); |
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return pix; |
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} |
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107 |
|
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SSE_FUNCTION static inline __m128i |
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set1_argb_sse2(uint32_t src) |
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110 |
{ |
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__m128i pix; |
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112 |
|
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pix = _mm_set1_epi32(src); |
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pix = _mm_unpacklo_epi8(pix, _mm_setzero_si128()); |
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return pix; |
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116 |
} |
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117 |
|
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118 |
SSE_FUNCTION static inline __m128i |
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load_u8_mask(const uint8_t *m) |
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120 |
{ |
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return _mm_unpacklo_epi64(_mm_set1_epi16(m[0]), _mm_set1_epi16(m[1])); |
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} |
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123 |
|
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124 |
SSE_FUNCTION static inline __m128i |
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set1_u8_mask(uint8_t m) |
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126 |
{ |
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return _mm_unpacklo_epi8(_mm_set1_epi8(m), _mm_setzero_si128()); |
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128 |
} |
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129 |
|
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/* Stores the 2 unpacked pixels in pix into the (unaligned) *dest */ |
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131 |
SSE_FUNCTION static void |
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store_argb_sse2(uint32_t *dest, __m128i pix) |
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133 |
{ |
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pix = _mm_packus_epi16(pix, pix); |
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_mm_storel_epi64((__m128i *)dest, pix); |
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136 |
} |
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137 |
|
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138 |
SSE_FUNCTION static __m128i |
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over_argb_sse2(__m128i dest, __m128i src, __m128i srca) |
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140 |
{ |
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return _mm_adds_epu8(src, muldiv_255_sse2(dest, negate_argb_sse2(srca))); |
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142 |
} |
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143 |
|
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144 |
SSE_FUNCTION static void |
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composite_in_argb_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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147 |
{ |
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for (; n >= 2; n -= 2) { |
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__m128i s, m; |
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s = load_argb_sse2(src); |
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m = load_u8_mask(mask); |
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store_argb_sse2(dest, muldiv_255_sse2(s, m)); |
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src += 2; |
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mask += 2; |
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dest += 2; |
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} |
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for (; n > 0; n--) { |
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uint32_t s = *src++; |
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uint8_t m = *mask++; |
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160 |
|
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*dest++ = oil_argb( |
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COMPOSITE_IN(oil_argb_A(s), m), |
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COMPOSITE_IN(oil_argb_R(s), m), |
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COMPOSITE_IN(oil_argb_G(s), m), |
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COMPOSITE_IN(oil_argb_B(s), m)); |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_argb_sse_2pix, composite_in_argb, |
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OIL_IMPL_FLAG_SSE2); |
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170 |
|
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171 |
SSE_FUNCTION static void |
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composite_in_argb_const_src_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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174 |
{ |
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__m128i s; |
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176 |
|
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s = set1_argb_sse2(*src); |
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178 |
|
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for (; n >= 2; n -= 2) { |
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__m128i m; |
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m = load_u8_mask(mask); |
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store_argb_sse2(dest, muldiv_255_sse2(s, m)); |
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mask += 2; |
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dest += 2; |
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} |
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186 |
for (; n > 0; n--) { |
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uint8_t m = *mask++; |
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188 |
|
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*dest++ = oil_argb( |
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COMPOSITE_IN(oil_argb_A(*src), m), |
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COMPOSITE_IN(oil_argb_R(*src), m), |
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COMPOSITE_IN(oil_argb_G(*src), m), |
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COMPOSITE_IN(oil_argb_B(*src), m)); |
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} |
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195 |
} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_argb_const_src_sse_2pix, |
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composite_in_argb_const_src, OIL_IMPL_FLAG_SSE2); |
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198 |
|
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199 |
#ifdef SSE_ALIGN |
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200 |
SSE_FUNCTION static void |
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composite_in_argb_const_mask_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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{ |
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__m128i m; |
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205 |
|
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m = set1_u8_mask(*mask); |
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207 |
|
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for (; n >= 2; n -= 2) { |
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__m128i s; |
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s = load_argb_sse2(src); |
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store_argb_sse2(dest, muldiv_255_sse2(s, m)); |
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src += 2; |
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dest += 2; |
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} |
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for (; n > 0; n--) { |
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uint32_t s = *src++; |
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217 |
|
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*dest++ = oil_argb( |
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COMPOSITE_IN(oil_argb_A(s), mask[0]), |
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COMPOSITE_IN(oil_argb_R(s), mask[0]), |
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COMPOSITE_IN(oil_argb_G(s), mask[0]), |
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COMPOSITE_IN(oil_argb_B(s), mask[0])); |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_argb_const_mask_sse_2pix, |
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composite_in_argb_const_mask, OIL_IMPL_FLAG_SSE2); |
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#endif |
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228 |
|
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SSE_FUNCTION static void |
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composite_over_argb_sse_2pix (uint32_t *dest, const uint32_t *src, int n) |
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{ |
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for (; n >= 2; n -= 2) { |
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__m128i d, s; |
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s = load_argb_sse2(src); |
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d = load_argb_sse2(dest); |
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d = over_argb_sse2(d, s, argb_A_sse2(s)); |
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store_argb_sse2(dest, d); |
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src += 2; |
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dest += 2; |
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} |
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for (; n > 0; n--) { |
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uint32_t d = *dest, s = *src++; |
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uint8_t srca = oil_argb_A(s); |
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d = oil_argb( |
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COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(s), srca), |
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COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(s), srca), |
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COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(s), srca), |
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COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(s), srca)); |
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*dest++ = d; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_over_argb_sse_2pix, composite_over_argb, |
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OIL_IMPL_FLAG_SSE2); |
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254 |
|
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SSE_FUNCTION static void |
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composite_over_argb_const_src_sse_2pix (uint32_t *dest, const uint32_t *src, |
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int n) |
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{ |
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__m128i s, sa; |
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uint32_t srca; |
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261 |
|
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srca = oil_argb_A(*src); |
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s = set1_argb_sse2(*src); |
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sa = negate_argb_sse2(argb_A_sse2(s)); |
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for (; n >= 2; n -= 2) { |
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__m128i d; |
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d = load_argb_sse2(dest); |
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d = _mm_adds_epu8(s, muldiv_255_sse2(d, sa)); |
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store_argb_sse2(dest, d); |
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dest += 2; |
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} |
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for (; n > 0; n--) { |
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uint32_t d = *dest; |
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d = oil_argb( |
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COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(*src), srca), |
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COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(*src), srca), |
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COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(*src), srca), |
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COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(*src), srca)); |
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*dest++ = d; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_over_argb_const_src_sse_2pix, |
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composite_over_argb_const_src, OIL_IMPL_FLAG_SSE2); |
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284 |
|
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SSE_FUNCTION static void |
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composite_in_over_argb_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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{ |
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for (; n >= 2; n -= 2) { |
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__m128i d, s, m; |
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s = load_argb_sse2(src); |
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m = load_u8_mask(mask); |
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d = load_argb_sse2(dest); |
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s = muldiv_255_sse2(s, m); |
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d = over_argb_sse2(d, s, argb_A_sse2(s)); |
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store_argb_sse2(dest, d); |
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src += 2; |
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mask += 2; |
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dest += 2; |
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} |
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301 |
for (; n > 0; n--) { |
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uint32_t d = *dest, s = *src++, m = *mask++, color; |
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uint8_t srca; |
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|
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color = oil_argb( |
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COMPOSITE_IN(oil_argb_A(s), m), |
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COMPOSITE_IN(oil_argb_R(s), m), |
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COMPOSITE_IN(oil_argb_G(s), m), |
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COMPOSITE_IN(oil_argb_B(s), m)); |
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srca = oil_argb_A(color); |
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d = oil_argb( |
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COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca), |
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COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca), |
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COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca), |
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COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca)); |
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*dest++ = d; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_over_argb_sse_2pix, composite_in_over_argb, |
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OIL_IMPL_FLAG_SSE2); |
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321 |
|
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SSE_FUNCTION static void |
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composite_in_over_argb_const_src_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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{ |
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__m128i s; |
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327 |
|
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s = set1_argb_sse2(*src); |
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329 |
|
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for (; n >= 2; n -= 2) { |
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__m128i d, color, m; |
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m = load_u8_mask(mask); |
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d = load_argb_sse2(dest); |
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color = muldiv_255_sse2(s, m); |
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d = over_argb_sse2(d, color, argb_A_sse2(color)); |
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store_argb_sse2(dest, d); |
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mask += 2; |
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dest += 2; |
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} |
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for (; n > 0; n--) { |
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uint32_t d = *dest, m = *mask++, color; |
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uint8_t srca; |
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343 |
|
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color = oil_argb( |
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COMPOSITE_IN(oil_argb_A(*src), m), |
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COMPOSITE_IN(oil_argb_R(*src), m), |
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COMPOSITE_IN(oil_argb_G(*src), m), |
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COMPOSITE_IN(oil_argb_B(*src), m)); |
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srca = oil_argb_A(color); |
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d = oil_argb( |
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COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca), |
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COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca), |
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COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca), |
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COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca)); |
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*dest++ = d; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_over_argb_const_src_sse_2pix, |
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|
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composite_in_over_argb_const_src, OIL_IMPL_FLAG_SSE2); |
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|
360 |
|
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|
361 |
SSE_FUNCTION static void |
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composite_in_over_argb_const_mask_sse_2pix (uint32_t *dest, const uint32_t *src, |
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const uint8_t *mask, int n) |
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{ |
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|
365 |
__m128i m; |
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|
366 |
|
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m = set1_u8_mask(*mask); |
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|
368 |
|
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for (; n >= 2; n -= 2) { |
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__m128i d, s; |
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s = load_argb_sse2(src); |
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d = load_argb_sse2(dest); |
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s = muldiv_255_sse2(s, m); |
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d = over_argb_sse2(d, s, argb_A_sse2(s)); |
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store_argb_sse2(dest, d); |
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|
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src += 2; |
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dest += 2; |
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} |
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|
379 |
for (; n > 0; n--) { |
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uint32_t d = *dest, s = *src++, color; |
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|
381 |
uint8_t srca; |
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|
382 |
|
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|
383 |
color = oil_argb( |
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|
384 |
COMPOSITE_IN(oil_argb_A(s), *mask), |
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|
385 |
COMPOSITE_IN(oil_argb_R(s), *mask), |
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|
386 |
COMPOSITE_IN(oil_argb_G(s), *mask), |
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|
387 |
COMPOSITE_IN(oil_argb_B(s), *mask)); |
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|
388 |
srca = oil_argb_A(color); |
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|
389 |
d = oil_argb( |
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|
390 |
COMPOSITE_OVER(oil_argb_A(d), oil_argb_A(color), srca), |
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|
391 |
COMPOSITE_OVER(oil_argb_R(d), oil_argb_R(color), srca), |
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|
392 |
COMPOSITE_OVER(oil_argb_G(d), oil_argb_G(color), srca), |
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|
393 |
COMPOSITE_OVER(oil_argb_B(d), oil_argb_B(color), srca)); |
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|
394 |
*dest++ = d; |
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|
395 |
} |
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|
396 |
} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_in_over_argb_const_mask_sse_2pix, |
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composite_in_over_argb_const_mask, OIL_IMPL_FLAG_SSE2); |
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|
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SSE_FUNCTION static void |
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composite_over_u8_sse_2pix (uint8_t *dest, const uint8_t *src, int n) |
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{ |
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/* Initial operations to align the destination pointer */ |
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for (; ((long)dest & 15) && (n > 0); n--) { |
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*dest = COMPOSITE_OVER(*dest, *src, *src); |
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src++; |
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dest++; |
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} |
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/* over_u8 can be dealt with using our argb code, with srca = s */ |
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for (; n >= 8; n -= 8) { |
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__m128i d, s; |
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d = load_argb_sse2((uint32_t *)dest); |
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s = load_argb_sse2((uint32_t *)src); |
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store_argb_sse2((uint32_t *)dest, over_argb_sse2(d, s, s)); |
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src += 8; |
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dest += 8; |
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} |
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for (; n > 0; n--) { |
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*dest = COMPOSITE_OVER(*dest, *src, *src); |
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src++; |
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dest++; |
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} |
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} |
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OIL_DEFINE_IMPL_FULL_WRAPPER(composite_over_u8_sse_2pix, composite_over_u8, |
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OIL_IMPL_FLAG_SSE2); |
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#endif |
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427 |