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