epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 8 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #if DSTSIZE==32 |
| 11 | #define DSTTYPE SkPMColor |
| 12 | #elif DSTSIZE==16 |
| 13 | #define DSTTYPE uint16_t |
| 14 | #else |
| 15 | #error "need DSTSIZE to be 32 or 16" |
| 16 | #endif |
| 17 | |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 18 | #if (DSTSIZE == 32) |
| 19 | #define BITMAPPROC_MEMSET(ptr, value, n) sk_memset32(ptr, value, n) |
| 20 | #elif (DSTSIZE == 16) |
| 21 | #define BITMAPPROC_MEMSET(ptr, value, n) sk_memset16(ptr, value, n) |
| 22 | #else |
reed@android.com | 6f25297 | 2009-01-14 16:46:16 +0000 | [diff] [blame] | 23 | #error "unsupported DSTSIZE" |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 24 | #endif |
| 25 | |
caryclark@google.com | 803eceb | 2012-06-06 12:09:34 +0000 | [diff] [blame] | 26 | |
| 27 | // declare functions externally to suppress warnings. |
| 28 | void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s, |
| 29 | const uint32_t* SK_RESTRICT xy, |
| 30 | int count, DSTTYPE* SK_RESTRICT colors); |
| 31 | void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s, |
| 32 | const uint32_t* SK_RESTRICT xy, |
| 33 | int count, DSTTYPE* SK_RESTRICT colors); |
| 34 | void MAKENAME(_filter_DX)(const SkBitmapProcState& s, |
| 35 | const uint32_t* SK_RESTRICT xy, |
| 36 | int count, DSTTYPE* SK_RESTRICT colors); |
| 37 | void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s, |
| 38 | const uint32_t* SK_RESTRICT xy, |
| 39 | int count, DSTTYPE* SK_RESTRICT colors); |
| 40 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 41 | void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s, |
| 42 | const uint32_t* SK_RESTRICT xy, |
| 43 | int count, DSTTYPE* SK_RESTRICT colors) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 44 | SkASSERT(count > 0 && colors != NULL); |
| 45 | SkASSERT(s.fDoFilter == false); |
| 46 | SkDEBUGCODE(CHECKSTATE(s);) |
| 47 | |
| 48 | #ifdef PREAMBLE |
| 49 | PREAMBLE(s); |
| 50 | #endif |
| 51 | const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame^] | 52 | size_t rb = s.fBitmap->rowBytes(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 53 | |
| 54 | uint32_t XY; |
| 55 | SRCTYPE src; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 56 | |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame^] | 57 | for (int i = (count >> 1); i > 0; --i) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 58 | XY = *xy++; |
| 59 | SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() && |
| 60 | (XY & 0xFFFF) < (unsigned)s.fBitmap->width()); |
| 61 | src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| 62 | *colors++ = RETURNDST(src); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 63 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 64 | XY = *xy++; |
| 65 | SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() && |
| 66 | (XY & 0xFFFF) < (unsigned)s.fBitmap->width()); |
| 67 | src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| 68 | *colors++ = RETURNDST(src); |
| 69 | } |
| 70 | if (count & 1) { |
| 71 | XY = *xy++; |
| 72 | SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() && |
| 73 | (XY & 0xFFFF) < (unsigned)s.fBitmap->width()); |
| 74 | src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| 75 | *colors++ = RETURNDST(src); |
| 76 | } |
| 77 | |
| 78 | #ifdef POSTAMBLE |
| 79 | POSTAMBLE(s); |
| 80 | #endif |
| 81 | } |
| 82 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 83 | void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s, |
| 84 | const uint32_t* SK_RESTRICT xy, |
| 85 | int count, DSTTYPE* SK_RESTRICT colors) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 86 | SkASSERT(count > 0 && colors != NULL); |
| 87 | SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)); |
| 88 | SkASSERT(s.fDoFilter == false); |
| 89 | SkDEBUGCODE(CHECKSTATE(s);) |
| 90 | |
| 91 | #ifdef PREAMBLE |
| 92 | PREAMBLE(s); |
| 93 | #endif |
| 94 | const SRCTYPE* SK_RESTRICT srcAddr = (const SRCTYPE*)s.fBitmap->getPixels(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 95 | |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 96 | // buffer is y32, x16, x16, x16, x16, x16 |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 97 | // bump srcAddr to the proper row, since we're told Y never changes |
| 98 | SkASSERT((unsigned)xy[0] < (unsigned)s.fBitmap->height()); |
| 99 | srcAddr = (const SRCTYPE*)((const char*)srcAddr + |
| 100 | xy[0] * s.fBitmap->rowBytes()); |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 101 | xy += 1; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 102 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 103 | SRCTYPE src; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 104 | |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 105 | if (1 == s.fBitmap->width()) { |
| 106 | src = srcAddr[0]; |
| 107 | DSTTYPE dstValue = RETURNDST(src); |
| 108 | BITMAPPROC_MEMSET(colors, dstValue, count); |
| 109 | } else { |
| 110 | int i; |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 111 | for (i = (count >> 2); i > 0; --i) { |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 112 | uint32_t xx0 = *xy++; |
| 113 | uint32_t xx1 = *xy++; |
| 114 | SRCTYPE x0 = srcAddr[UNPACK_PRIMARY_SHORT(xx0)]; |
| 115 | SRCTYPE x1 = srcAddr[UNPACK_SECONDARY_SHORT(xx0)]; |
| 116 | SRCTYPE x2 = srcAddr[UNPACK_PRIMARY_SHORT(xx1)]; |
| 117 | SRCTYPE x3 = srcAddr[UNPACK_SECONDARY_SHORT(xx1)]; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 118 | |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 119 | *colors++ = RETURNDST(x0); |
| 120 | *colors++ = RETURNDST(x1); |
| 121 | *colors++ = RETURNDST(x2); |
| 122 | *colors++ = RETURNDST(x3); |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 123 | } |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 124 | const uint16_t* SK_RESTRICT xx = (const uint16_t*)(xy); |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 125 | for (i = (count & 3); i > 0; --i) { |
| 126 | SkASSERT(*xx < (unsigned)s.fBitmap->width()); |
| 127 | src = srcAddr[*xx++]; *colors++ = RETURNDST(src); |
| 128 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 129 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 130 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 131 | #ifdef POSTAMBLE |
| 132 | POSTAMBLE(s); |
| 133 | #endif |
| 134 | } |
| 135 | |
| 136 | /////////////////////////////////////////////////////////////////////////////// |
| 137 | |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 138 | void MAKENAME(_filter_DX)(const SkBitmapProcState& s, |
| 139 | const uint32_t* SK_RESTRICT xy, |
| 140 | int count, DSTTYPE* SK_RESTRICT colors) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | SkASSERT(count > 0 && colors != NULL); |
| 142 | SkASSERT(s.fDoFilter); |
| 143 | SkDEBUGCODE(CHECKSTATE(s);) |
| 144 | |
| 145 | #ifdef PREAMBLE |
| 146 | PREAMBLE(s); |
| 147 | #endif |
| 148 | const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame^] | 149 | size_t rb = s.fBitmap->rowBytes(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 150 | unsigned subY; |
| 151 | const SRCTYPE* SK_RESTRICT row0; |
| 152 | const SRCTYPE* SK_RESTRICT row1; |
| 153 | |
| 154 | // setup row ptrs and update proc_table |
| 155 | { |
| 156 | uint32_t XY = *xy++; |
| 157 | unsigned y0 = XY >> 14; |
| 158 | row0 = (const SRCTYPE*)(srcAddr + (y0 >> 4) * rb); |
| 159 | row1 = (const SRCTYPE*)(srcAddr + (XY & 0x3FFF) * rb); |
| 160 | subY = y0 & 0xF; |
| 161 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 162 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 163 | do { |
| 164 | uint32_t XX = *xy++; // x0:14 | 4 | x1:14 |
| 165 | unsigned x0 = XX >> 14; |
| 166 | unsigned x1 = XX & 0x3FFF; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 167 | unsigned subX = x0 & 0xF; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | x0 >>= 4; |
| 169 | |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 170 | FILTER_PROC(subX, subY, |
| 171 | SRC_TO_FILTER(row0[x0]), |
| 172 | SRC_TO_FILTER(row0[x1]), |
| 173 | SRC_TO_FILTER(row1[x0]), |
| 174 | SRC_TO_FILTER(row1[x1]), |
| 175 | colors); |
| 176 | colors += 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 177 | |
| 178 | } while (--count != 0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 179 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 180 | #ifdef POSTAMBLE |
| 181 | POSTAMBLE(s); |
| 182 | #endif |
| 183 | } |
senorblanco@chromium.org | dc7de74 | 2009-11-30 20:00:29 +0000 | [diff] [blame] | 184 | void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s, |
| 185 | const uint32_t* SK_RESTRICT xy, |
| 186 | int count, DSTTYPE* SK_RESTRICT colors) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 187 | SkASSERT(count > 0 && colors != NULL); |
| 188 | SkASSERT(s.fDoFilter); |
| 189 | SkDEBUGCODE(CHECKSTATE(s);) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 190 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 191 | #ifdef PREAMBLE |
| 192 | PREAMBLE(s); |
| 193 | #endif |
| 194 | const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame^] | 195 | size_t rb = s.fBitmap->rowBytes(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 196 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 197 | do { |
| 198 | uint32_t data = *xy++; |
| 199 | unsigned y0 = data >> 14; |
| 200 | unsigned y1 = data & 0x3FFF; |
| 201 | unsigned subY = y0 & 0xF; |
| 202 | y0 >>= 4; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 203 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 204 | data = *xy++; |
| 205 | unsigned x0 = data >> 14; |
| 206 | unsigned x1 = data & 0x3FFF; |
| 207 | unsigned subX = x0 & 0xF; |
| 208 | x0 >>= 4; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 209 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 210 | const SRCTYPE* SK_RESTRICT row0 = (const SRCTYPE*)(srcAddr + y0 * rb); |
| 211 | const SRCTYPE* SK_RESTRICT row1 = (const SRCTYPE*)(srcAddr + y1 * rb); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 212 | |
reed@android.com | 152f748 | 2009-08-07 19:14:34 +0000 | [diff] [blame] | 213 | FILTER_PROC(subX, subY, |
| 214 | SRC_TO_FILTER(row0[x0]), |
| 215 | SRC_TO_FILTER(row0[x1]), |
| 216 | SRC_TO_FILTER(row1[x0]), |
| 217 | SRC_TO_FILTER(row1[x1]), |
| 218 | colors); |
| 219 | colors += 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 220 | } while (--count != 0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 221 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 222 | #ifdef POSTAMBLE |
| 223 | POSTAMBLE(s); |
| 224 | #endif |
| 225 | } |
| 226 | |
| 227 | #undef MAKENAME |
| 228 | #undef DSTSIZE |
| 229 | #undef DSTTYPE |
| 230 | #undef SRCTYPE |
| 231 | #undef CHECKSTATE |
| 232 | #undef RETURNDST |
| 233 | #undef SRC_TO_FILTER |
| 234 | #undef FILTER_TO_DST |
| 235 | |
| 236 | #ifdef PREAMBLE |
| 237 | #undef PREAMBLE |
| 238 | #endif |
| 239 | #ifdef POSTAMBLE |
| 240 | #undef POSTAMBLE |
| 241 | #endif |
| 242 | |
| 243 | #undef FILTER_PROC_TYPE |
| 244 | #undef GET_FILTER_TABLE |
| 245 | #undef GET_FILTER_ROW |
| 246 | #undef GET_FILTER_ROW_PROC |
| 247 | #undef GET_FILTER_PROC |
reed@android.com | 0becfc5b | 2009-01-13 13:26:44 +0000 | [diff] [blame] | 248 | #undef BITMAPPROC_MEMSET |