senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | ** |
| 3 | ** Copyright 2009, The Android Open Source Project |
| 4 | ** |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 8 | ** |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 10 | ** |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
senorblanco@chromium.org | 4e75355 | 2009-11-16 21:09:00 +0000 | [diff] [blame] | 18 | #include "SkBlitRow_opts_SSE2.h" |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 19 | #include "SkColorPriv.h" |
senorblanco@chromium.org | c385638 | 2010-12-13 15:27:20 +0000 | [diff] [blame] | 20 | #include "SkUtils.h" |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 21 | |
| 22 | #include <emmintrin.h> |
| 23 | |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 24 | /* SSE2 version of S32_Blend_BlitRow32() |
| 25 | * portable version is in core/SkBlitRow_D32.cpp |
| 26 | */ |
senorblanco@chromium.org | 4e75355 | 2009-11-16 21:09:00 +0000 | [diff] [blame] | 27 | void S32_Blend_BlitRow32_SSE2(SkPMColor* SK_RESTRICT dst, |
| 28 | const SkPMColor* SK_RESTRICT src, |
| 29 | int count, U8CPU alpha) { |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 30 | SkASSERT(alpha <= 255); |
| 31 | if (count <= 0) { |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | uint32_t src_scale = SkAlpha255To256(alpha); |
| 36 | uint32_t dst_scale = 256 - src_scale; |
| 37 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 38 | if (count >= 4) { |
| 39 | SkASSERT(((size_t)dst & 0x03) == 0); |
| 40 | while (((size_t)dst & 0x0F) != 0) { |
| 41 | *dst = SkAlphaMulQ(*src, src_scale) + SkAlphaMulQ(*dst, dst_scale); |
| 42 | src++; |
| 43 | dst++; |
| 44 | count--; |
| 45 | } |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 46 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 47 | const __m128i *s = reinterpret_cast<const __m128i*>(src); |
| 48 | __m128i *d = reinterpret_cast<__m128i*>(dst); |
| 49 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 50 | __m128i src_scale_wide = _mm_set1_epi16(src_scale); |
| 51 | __m128i dst_scale_wide = _mm_set1_epi16(dst_scale); |
| 52 | while (count >= 4) { |
| 53 | // Load 4 pixels each of src and dest. |
| 54 | __m128i src_pixel = _mm_loadu_si128(s); |
| 55 | __m128i dst_pixel = _mm_load_si128(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 56 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 57 | // Get red and blue pixels into lower byte of each word. |
| 58 | __m128i dst_rb = _mm_and_si128(rb_mask, dst_pixel); |
| 59 | __m128i src_rb = _mm_and_si128(rb_mask, src_pixel); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 60 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 61 | // Get alpha and green into lower byte of each word. |
| 62 | __m128i dst_ag = _mm_srli_epi16(dst_pixel, 8); |
| 63 | __m128i src_ag = _mm_srli_epi16(src_pixel, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 64 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 65 | // Multiply by scale. |
| 66 | src_rb = _mm_mullo_epi16(src_rb, src_scale_wide); |
| 67 | src_ag = _mm_mullo_epi16(src_ag, src_scale_wide); |
| 68 | dst_rb = _mm_mullo_epi16(dst_rb, dst_scale_wide); |
| 69 | dst_ag = _mm_mullo_epi16(dst_ag, dst_scale_wide); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 70 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 71 | // Divide by 256. |
| 72 | src_rb = _mm_srli_epi16(src_rb, 8); |
| 73 | dst_rb = _mm_srli_epi16(dst_rb, 8); |
| 74 | src_ag = _mm_andnot_si128(rb_mask, src_ag); |
| 75 | dst_ag = _mm_andnot_si128(rb_mask, dst_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 76 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 77 | // Combine back into RGBA. |
| 78 | src_pixel = _mm_or_si128(src_rb, src_ag); |
| 79 | dst_pixel = _mm_or_si128(dst_rb, dst_ag); |
| 80 | |
| 81 | // Add result |
| 82 | __m128i result = _mm_add_epi8(src_pixel, dst_pixel); |
| 83 | _mm_store_si128(d, result); |
| 84 | s++; |
| 85 | d++; |
| 86 | count -= 4; |
| 87 | } |
| 88 | src = reinterpret_cast<const SkPMColor*>(s); |
| 89 | dst = reinterpret_cast<SkPMColor*>(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 90 | } |
| 91 | |
senorblanco@chromium.org | 4e75355 | 2009-11-16 21:09:00 +0000 | [diff] [blame] | 92 | while (count > 0) { |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 93 | *dst = SkAlphaMulQ(*src, src_scale) + SkAlphaMulQ(*dst, dst_scale); |
| 94 | src++; |
| 95 | dst++; |
| 96 | count--; |
| 97 | } |
| 98 | } |
| 99 | |
senorblanco@chromium.org | 4e75355 | 2009-11-16 21:09:00 +0000 | [diff] [blame] | 100 | void S32A_Opaque_BlitRow32_SSE2(SkPMColor* SK_RESTRICT dst, |
| 101 | const SkPMColor* SK_RESTRICT src, |
| 102 | int count, U8CPU alpha) { |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 103 | SkASSERT(alpha == 255); |
| 104 | if (count <= 0) { |
| 105 | return; |
| 106 | } |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 107 | |
| 108 | if (count >= 4) { |
| 109 | SkASSERT(((size_t)dst & 0x03) == 0); |
| 110 | while (((size_t)dst & 0x0F) != 0) { |
| 111 | *dst = SkPMSrcOver(*src, *dst); |
| 112 | src++; |
| 113 | dst++; |
| 114 | count--; |
| 115 | } |
| 116 | |
| 117 | const __m128i *s = reinterpret_cast<const __m128i*>(src); |
| 118 | __m128i *d = reinterpret_cast<__m128i*>(dst); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 119 | #ifdef SK_USE_ACCURATE_BLENDING |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 120 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 121 | __m128i c_128 = _mm_set1_epi16(128); // 8 copies of 128 (16-bit) |
| 122 | __m128i c_255 = _mm_set1_epi16(255); // 8 copies of 255 (16-bit) |
| 123 | while (count >= 4) { |
| 124 | // Load 4 pixels |
| 125 | __m128i src_pixel = _mm_loadu_si128(s); |
| 126 | __m128i dst_pixel = _mm_load_si128(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 127 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 128 | __m128i dst_rb = _mm_and_si128(rb_mask, dst_pixel); |
senorblanco@chromium.org | f3f0bd7 | 2009-12-10 22:46:31 +0000 | [diff] [blame] | 129 | __m128i dst_ag = _mm_srli_epi16(dst_pixel, 8); |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 130 | // Shift alphas down to lower 8 bits of each quad. |
| 131 | __m128i alpha = _mm_srli_epi32(src_pixel, 24); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 132 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 133 | // Copy alpha to upper 3rd byte of each quad |
| 134 | alpha = _mm_or_si128(alpha, _mm_slli_epi32(alpha, 16)); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 135 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 136 | // Subtract alphas from 255, to get 0..255 |
| 137 | alpha = _mm_sub_epi16(c_255, alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 138 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 139 | // Multiply by red and blue by src alpha. |
| 140 | dst_rb = _mm_mullo_epi16(dst_rb, alpha); |
| 141 | // Multiply by alpha and green by src alpha. |
| 142 | dst_ag = _mm_mullo_epi16(dst_ag, alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 143 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 144 | // dst_rb_low = (dst_rb >> 8) |
| 145 | __m128i dst_rb_low = _mm_srli_epi16(dst_rb, 8); |
| 146 | __m128i dst_ag_low = _mm_srli_epi16(dst_ag, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 147 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 148 | // dst_rb = (dst_rb + dst_rb_low + 128) >> 8 |
| 149 | dst_rb = _mm_add_epi16(dst_rb, dst_rb_low); |
| 150 | dst_rb = _mm_add_epi16(dst_rb, c_128); |
| 151 | dst_rb = _mm_srli_epi16(dst_rb, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 152 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 153 | // dst_ag = (dst_ag + dst_ag_low + 128) & ag_mask |
| 154 | dst_ag = _mm_add_epi16(dst_ag, dst_ag_low); |
| 155 | dst_ag = _mm_add_epi16(dst_ag, c_128); |
| 156 | dst_ag = _mm_andnot_si128(rb_mask, dst_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 157 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 158 | // Combine back into RGBA. |
| 159 | dst_pixel = _mm_or_si128(dst_rb, dst_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 160 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 161 | // Add result |
| 162 | __m128i result = _mm_add_epi8(src_pixel, dst_pixel); |
| 163 | _mm_store_si128(d, result); |
| 164 | s++; |
| 165 | d++; |
| 166 | count -= 4; |
| 167 | } |
| 168 | #else |
| 169 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 170 | __m128i c_256 = _mm_set1_epi16(0x0100); // 8 copies of 256 (16-bit) |
| 171 | while (count >= 4) { |
| 172 | // Load 4 pixels |
| 173 | __m128i src_pixel = _mm_loadu_si128(s); |
| 174 | __m128i dst_pixel = _mm_load_si128(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 175 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 176 | __m128i dst_rb = _mm_and_si128(rb_mask, dst_pixel); |
senorblanco@chromium.org | f3f0bd7 | 2009-12-10 22:46:31 +0000 | [diff] [blame] | 177 | __m128i dst_ag = _mm_srli_epi16(dst_pixel, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 178 | |
senorblanco@chromium.org | f3f0bd7 | 2009-12-10 22:46:31 +0000 | [diff] [blame] | 179 | // (a0, g0, a1, g1, a2, g2, a3, g3) (low byte of each word) |
| 180 | __m128i alpha = _mm_srli_epi16(src_pixel, 8); |
| 181 | |
| 182 | // (a0, a0, a1, a1, a2, g2, a3, g3) |
| 183 | alpha = _mm_shufflehi_epi16(alpha, 0xF5); |
| 184 | |
| 185 | // (a0, a0, a1, a1, a2, a2, a3, a3) |
| 186 | alpha = _mm_shufflelo_epi16(alpha, 0xF5); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 187 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 188 | // Subtract alphas from 256, to get 1..256 |
| 189 | alpha = _mm_sub_epi16(c_256, alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 190 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 191 | // Multiply by red and blue by src alpha. |
| 192 | dst_rb = _mm_mullo_epi16(dst_rb, alpha); |
| 193 | // Multiply by alpha and green by src alpha. |
| 194 | dst_ag = _mm_mullo_epi16(dst_ag, alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 195 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 196 | // Divide by 256. |
| 197 | dst_rb = _mm_srli_epi16(dst_rb, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 198 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 199 | // Mask out high bits (already in the right place) |
| 200 | dst_ag = _mm_andnot_si128(rb_mask, dst_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 201 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 202 | // Combine back into RGBA. |
| 203 | dst_pixel = _mm_or_si128(dst_rb, dst_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 204 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 205 | // Add result |
| 206 | __m128i result = _mm_add_epi8(src_pixel, dst_pixel); |
| 207 | _mm_store_si128(d, result); |
| 208 | s++; |
| 209 | d++; |
| 210 | count -= 4; |
| 211 | } |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 212 | #endif |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 213 | src = reinterpret_cast<const SkPMColor*>(s); |
| 214 | dst = reinterpret_cast<SkPMColor*>(d); |
| 215 | } |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 216 | |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 217 | while (count > 0) { |
| 218 | *dst = SkPMSrcOver(*src, *dst); |
| 219 | src++; |
| 220 | dst++; |
| 221 | count--; |
| 222 | } |
| 223 | } |
| 224 | |
senorblanco@chromium.org | 4e75355 | 2009-11-16 21:09:00 +0000 | [diff] [blame] | 225 | void S32A_Blend_BlitRow32_SSE2(SkPMColor* SK_RESTRICT dst, |
| 226 | const SkPMColor* SK_RESTRICT src, |
| 227 | int count, U8CPU alpha) { |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 228 | SkASSERT(alpha <= 255); |
| 229 | if (count <= 0) { |
| 230 | return; |
| 231 | } |
| 232 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 233 | if (count >= 4) { |
| 234 | while (((size_t)dst & 0x0F) != 0) { |
| 235 | *dst = SkBlendARGB32(*src, *dst, alpha); |
| 236 | src++; |
| 237 | dst++; |
| 238 | count--; |
| 239 | } |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 240 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 241 | uint32_t src_scale = SkAlpha255To256(alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 242 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 243 | const __m128i *s = reinterpret_cast<const __m128i*>(src); |
| 244 | __m128i *d = reinterpret_cast<__m128i*>(dst); |
| 245 | __m128i src_scale_wide = _mm_set1_epi16(src_scale); |
| 246 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 247 | __m128i c_256 = _mm_set1_epi16(256); // 8 copies of 256 (16-bit) |
| 248 | while (count >= 4) { |
| 249 | // Load 4 pixels each of src and dest. |
| 250 | __m128i src_pixel = _mm_loadu_si128(s); |
| 251 | __m128i dst_pixel = _mm_load_si128(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 252 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 253 | // Get red and blue pixels into lower byte of each word. |
| 254 | __m128i dst_rb = _mm_and_si128(rb_mask, dst_pixel); |
| 255 | __m128i src_rb = _mm_and_si128(rb_mask, src_pixel); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 256 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 257 | // Get alpha and green into lower byte of each word. |
| 258 | __m128i dst_ag = _mm_srli_epi16(dst_pixel, 8); |
| 259 | __m128i src_ag = _mm_srli_epi16(src_pixel, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 260 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 261 | // Put per-pixel alpha in low byte of each word. |
| 262 | __m128i dst_alpha = _mm_shufflehi_epi16(src_ag, 0xF5); |
| 263 | dst_alpha = _mm_shufflelo_epi16(dst_alpha, 0xF5); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 264 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 265 | // dst_alpha = dst_alpha * src_scale |
| 266 | dst_alpha = _mm_mullo_epi16(dst_alpha, src_scale_wide); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 267 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 268 | // Divide by 256. |
| 269 | dst_alpha = _mm_srli_epi16(dst_alpha, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 270 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 271 | // Subtract alphas from 256, to get 1..256 |
| 272 | dst_alpha = _mm_sub_epi16(c_256, dst_alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 273 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 274 | // Multiply red and blue by dst pixel alpha. |
| 275 | dst_rb = _mm_mullo_epi16(dst_rb, dst_alpha); |
| 276 | // Multiply alpha and green by dst pixel alpha. |
| 277 | dst_ag = _mm_mullo_epi16(dst_ag, dst_alpha); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 278 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 279 | // Multiply red and blue by global alpha. |
| 280 | src_rb = _mm_mullo_epi16(src_rb, src_scale_wide); |
| 281 | // Multiply alpha and green by global alpha. |
| 282 | src_ag = _mm_mullo_epi16(src_ag, src_scale_wide); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 283 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 284 | // Divide by 256. |
| 285 | dst_rb = _mm_srli_epi16(dst_rb, 8); |
| 286 | src_rb = _mm_srli_epi16(src_rb, 8); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 287 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 288 | // Mask out low bits (goodies already in the right place; no need to divide) |
| 289 | dst_ag = _mm_andnot_si128(rb_mask, dst_ag); |
| 290 | src_ag = _mm_andnot_si128(rb_mask, src_ag); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 291 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 292 | // Combine back into RGBA. |
| 293 | dst_pixel = _mm_or_si128(dst_rb, dst_ag); |
| 294 | src_pixel = _mm_or_si128(src_rb, src_ag); |
| 295 | |
| 296 | // Add two pixels into result. |
| 297 | __m128i result = _mm_add_epi8(src_pixel, dst_pixel); |
| 298 | _mm_store_si128(d, result); |
| 299 | s++; |
| 300 | d++; |
| 301 | count -= 4; |
| 302 | } |
| 303 | src = reinterpret_cast<const SkPMColor*>(s); |
| 304 | dst = reinterpret_cast<SkPMColor*>(d); |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 305 | } |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 306 | |
senorblanco@chromium.org | 9272761 | 2009-11-04 20:51:06 +0000 | [diff] [blame] | 307 | while (count > 0) { |
| 308 | *dst = SkBlendARGB32(*src, *dst, alpha); |
| 309 | src++; |
| 310 | dst++; |
| 311 | count--; |
| 312 | } |
| 313 | } |
senorblanco@chromium.org | c385638 | 2010-12-13 15:27:20 +0000 | [diff] [blame] | 314 | |
| 315 | /* SSE2 version of Color32() |
| 316 | * portable version is in core/SkBlitRow_D32.cpp |
| 317 | */ |
| 318 | void Color32_SSE2(SkPMColor dst[], const SkPMColor src[], int count, |
| 319 | SkPMColor color) { |
| 320 | |
| 321 | if (count <= 0) { |
| 322 | return; |
| 323 | } |
| 324 | |
| 325 | if (0 == color) { |
| 326 | if (src != dst) { |
| 327 | memcpy(dst, src, count * sizeof(SkPMColor)); |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | unsigned colorA = SkGetPackedA32(color); |
| 332 | if (255 == colorA) { |
| 333 | sk_memset32(dst, color, count); |
| 334 | } else { |
| 335 | unsigned scale = 256 - SkAlpha255To256(colorA); |
| 336 | |
| 337 | if (count >= 4) { |
| 338 | SkASSERT(((size_t)dst & 0x03) == 0); |
| 339 | while (((size_t)dst & 0x0F) != 0) { |
| 340 | *dst = color + SkAlphaMulQ(*src, scale); |
| 341 | src++; |
| 342 | dst++; |
| 343 | count--; |
| 344 | } |
| 345 | |
| 346 | const __m128i *s = reinterpret_cast<const __m128i*>(src); |
| 347 | __m128i *d = reinterpret_cast<__m128i*>(dst); |
| 348 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 349 | __m128i src_scale_wide = _mm_set1_epi16(scale); |
| 350 | __m128i color_wide = _mm_set1_epi32(color); |
| 351 | while (count >= 4) { |
| 352 | // Load 4 pixels each of src and dest. |
| 353 | __m128i src_pixel = _mm_loadu_si128(s); |
| 354 | |
| 355 | // Get red and blue pixels into lower byte of each word. |
| 356 | __m128i src_rb = _mm_and_si128(rb_mask, src_pixel); |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 357 | |
senorblanco@chromium.org | c385638 | 2010-12-13 15:27:20 +0000 | [diff] [blame] | 358 | // Get alpha and green into lower byte of each word. |
| 359 | __m128i src_ag = _mm_srli_epi16(src_pixel, 8); |
| 360 | |
| 361 | // Multiply by scale. |
| 362 | src_rb = _mm_mullo_epi16(src_rb, src_scale_wide); |
| 363 | src_ag = _mm_mullo_epi16(src_ag, src_scale_wide); |
| 364 | |
| 365 | // Divide by 256. |
| 366 | src_rb = _mm_srli_epi16(src_rb, 8); |
| 367 | src_ag = _mm_andnot_si128(rb_mask, src_ag); |
| 368 | |
| 369 | // Combine back into RGBA. |
| 370 | src_pixel = _mm_or_si128(src_rb, src_ag); |
| 371 | |
| 372 | // Add color to result. |
| 373 | __m128i result = _mm_add_epi8(color_wide, src_pixel); |
| 374 | |
| 375 | // Store result. |
| 376 | _mm_store_si128(d, result); |
| 377 | s++; |
| 378 | d++; |
| 379 | count -= 4; |
| 380 | } |
| 381 | src = reinterpret_cast<const SkPMColor*>(s); |
| 382 | dst = reinterpret_cast<SkPMColor*>(d); |
| 383 | } |
| 384 | |
| 385 | while (count > 0) { |
| 386 | *dst = color + SkAlphaMulQ(*src, scale); |
| 387 | src += 1; |
| 388 | dst += 1; |
| 389 | count--; |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 390 | } |
senorblanco@chromium.org | c385638 | 2010-12-13 15:27:20 +0000 | [diff] [blame] | 391 | } |
| 392 | } |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 393 | |
| 394 | void SkARGB32_BlitMask_SSE2(void* device, size_t dstRB, |
| 395 | SkBitmap::Config dstConfig, const uint8_t* mask, |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 396 | size_t maskRB, SkColor origColor, |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 397 | int width, int height) |
| 398 | { |
reed@google.com | ee467ee | 2011-03-09 13:23:57 +0000 | [diff] [blame] | 399 | SkPMColor color = SkPreMultiplyColor(origColor); |
reed@google.com | 981d479 | 2011-03-09 12:55:47 +0000 | [diff] [blame] | 400 | size_t dstOffset = dstRB - (width << 2); |
| 401 | size_t maskOffset = maskRB - width; |
| 402 | SkPMColor* dst = (SkPMColor *)device; |
| 403 | do { |
| 404 | int count = width; |
| 405 | if (count >= 4) { |
| 406 | while (((size_t)dst & 0x0F) != 0 && (count > 0)) { |
| 407 | *dst = SkBlendARGB32(color, *dst, *mask); |
| 408 | mask++; |
| 409 | dst++; |
| 410 | count--; |
| 411 | } |
| 412 | __m128i *d = reinterpret_cast<__m128i*>(dst); |
| 413 | __m128i rb_mask = _mm_set1_epi32(0x00FF00FF); |
| 414 | __m128i c_256 = _mm_set1_epi16(256); |
| 415 | __m128i c_1 = _mm_set1_epi16(1); |
| 416 | __m128i src_pixel = _mm_set1_epi32(color); |
| 417 | while (count >= 4) { |
| 418 | // Load 4 pixels each of src and dest. |
| 419 | __m128i dst_pixel = _mm_load_si128(d); |
| 420 | |
| 421 | //set the aphla value |
| 422 | __m128i src_scale_wide = _mm_set_epi8(0, *(mask+3),\ |
| 423 | 0, *(mask+3),0, \ |
| 424 | *(mask+2),0, *(mask+2),\ |
| 425 | 0,*(mask+1), 0,*(mask+1),\ |
| 426 | 0, *mask,0,*mask); |
| 427 | |
| 428 | //call SkAlpha255To256() |
| 429 | src_scale_wide = _mm_add_epi16(src_scale_wide, c_1); |
| 430 | |
| 431 | // Get red and blue pixels into lower byte of each word. |
| 432 | __m128i dst_rb = _mm_and_si128(rb_mask, dst_pixel); |
| 433 | __m128i src_rb = _mm_and_si128(rb_mask, src_pixel); |
| 434 | |
| 435 | // Get alpha and green into lower byte of each word. |
| 436 | __m128i dst_ag = _mm_srli_epi16(dst_pixel, 8); |
| 437 | __m128i src_ag = _mm_srli_epi16(src_pixel, 8); |
| 438 | |
| 439 | // Put per-pixel alpha in low byte of each word. |
| 440 | __m128i dst_alpha = _mm_shufflehi_epi16(src_ag, 0xF5); |
| 441 | dst_alpha = _mm_shufflelo_epi16(dst_alpha, 0xF5); |
| 442 | |
| 443 | // dst_alpha = dst_alpha * src_scale |
| 444 | dst_alpha = _mm_mullo_epi16(dst_alpha, src_scale_wide); |
| 445 | |
| 446 | // Divide by 256. |
| 447 | dst_alpha = _mm_srli_epi16(dst_alpha, 8); |
| 448 | |
| 449 | // Subtract alphas from 256, to get 1..256 |
| 450 | dst_alpha = _mm_sub_epi16(c_256, dst_alpha); |
| 451 | // Multiply red and blue by dst pixel alpha. |
| 452 | dst_rb = _mm_mullo_epi16(dst_rb, dst_alpha); |
| 453 | // Multiply alpha and green by dst pixel alpha. |
| 454 | dst_ag = _mm_mullo_epi16(dst_ag, dst_alpha); |
| 455 | |
| 456 | // Multiply red and blue by global alpha. |
| 457 | src_rb = _mm_mullo_epi16(src_rb, src_scale_wide); |
| 458 | // Multiply alpha and green by global alpha. |
| 459 | src_ag = _mm_mullo_epi16(src_ag, src_scale_wide); |
| 460 | // Divide by 256. |
| 461 | dst_rb = _mm_srli_epi16(dst_rb, 8); |
| 462 | src_rb = _mm_srli_epi16(src_rb, 8); |
| 463 | |
| 464 | // Mask out low bits (goodies already in the right place; no need to divide) |
| 465 | dst_ag = _mm_andnot_si128(rb_mask, dst_ag); |
| 466 | src_ag = _mm_andnot_si128(rb_mask, src_ag); |
| 467 | |
| 468 | // Combine back into RGBA. |
| 469 | dst_pixel = _mm_or_si128(dst_rb, dst_ag); |
| 470 | __m128i tmp_src_pixel = _mm_or_si128(src_rb, src_ag); |
| 471 | |
| 472 | // Add two pixels into result. |
| 473 | __m128i result = _mm_add_epi8(tmp_src_pixel, dst_pixel); |
| 474 | _mm_store_si128(d, result); |
| 475 | // load the next 4 pixel |
| 476 | mask = mask + 4; |
| 477 | d++; |
| 478 | count -= 4; |
| 479 | } |
| 480 | dst = reinterpret_cast<SkPMColor *>(d); |
| 481 | } |
| 482 | while(count > 0) { |
| 483 | *dst= SkBlendARGB32(color, *dst, *mask); |
| 484 | dst += 1; |
| 485 | mask++; |
| 486 | count --; |
| 487 | } |
| 488 | dst = (SkPMColor *)((char*)dst + dstOffset); |
| 489 | mask += maskOffset; |
| 490 | } while (--height != 0); |
| 491 | } |