| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkUtils.h" |
| |
| // declare functions externally to suppress warnings. |
| void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors); |
| void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors); |
| void MAKENAME(_filter_DX)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors); |
| void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors); |
| |
| void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors) { |
| SkASSERT(count > 0 && colors != nullptr); |
| SkASSERT(kNone_SkFilterQuality == s.fFilterQuality); |
| SkDEBUGCODE(CHECKSTATE(s);) |
| |
| #ifdef PREAMBLE |
| PREAMBLE(s); |
| #endif |
| const char* SK_RESTRICT srcAddr = (const char*)s.fPixmap.addr(); |
| size_t rb = s.fPixmap.rowBytes(); |
| |
| uint32_t XY; |
| SRCTYPE src; |
| |
| for (int i = (count >> 1); i > 0; --i) { |
| XY = *xy++; |
| SkASSERT((XY >> 16) < (unsigned)s.fPixmap.height() && |
| (XY & 0xFFFF) < (unsigned)s.fPixmap.width()); |
| src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| *colors++ = RETURNDST(src); |
| |
| XY = *xy++; |
| SkASSERT((XY >> 16) < (unsigned)s.fPixmap.height() && |
| (XY & 0xFFFF) < (unsigned)s.fPixmap.width()); |
| src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| *colors++ = RETURNDST(src); |
| } |
| if (count & 1) { |
| XY = *xy++; |
| SkASSERT((XY >> 16) < (unsigned)s.fPixmap.height() && |
| (XY & 0xFFFF) < (unsigned)s.fPixmap.width()); |
| src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF]; |
| *colors++ = RETURNDST(src); |
| } |
| |
| #ifdef POSTAMBLE |
| POSTAMBLE(s); |
| #endif |
| } |
| |
| void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors) { |
| SkASSERT(count > 0 && colors != nullptr); |
| SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)); |
| SkASSERT(kNone_SkFilterQuality == s.fFilterQuality); |
| SkDEBUGCODE(CHECKSTATE(s);) |
| |
| #ifdef PREAMBLE |
| PREAMBLE(s); |
| #endif |
| const SRCTYPE* SK_RESTRICT srcAddr = (const SRCTYPE*)s.fPixmap.addr(); |
| |
| // buffer is y32, x16, x16, x16, x16, x16 |
| // bump srcAddr to the proper row, since we're told Y never changes |
| SkASSERT((unsigned)xy[0] < (unsigned)s.fPixmap.height()); |
| srcAddr = (const SRCTYPE*)((const char*)srcAddr + |
| xy[0] * s.fPixmap.rowBytes()); |
| xy += 1; |
| |
| SRCTYPE src; |
| |
| if (1 == s.fPixmap.width()) { |
| src = srcAddr[0]; |
| SkPMColor dstValue = RETURNDST(src); |
| sk_memset32(colors, dstValue, count); |
| } else { |
| int i; |
| for (i = (count >> 2); i > 0; --i) { |
| uint32_t xx0 = *xy++; |
| uint32_t xx1 = *xy++; |
| SRCTYPE x0 = srcAddr[UNPACK_PRIMARY_SHORT(xx0)]; |
| SRCTYPE x1 = srcAddr[UNPACK_SECONDARY_SHORT(xx0)]; |
| SRCTYPE x2 = srcAddr[UNPACK_PRIMARY_SHORT(xx1)]; |
| SRCTYPE x3 = srcAddr[UNPACK_SECONDARY_SHORT(xx1)]; |
| |
| *colors++ = RETURNDST(x0); |
| *colors++ = RETURNDST(x1); |
| *colors++ = RETURNDST(x2); |
| *colors++ = RETURNDST(x3); |
| } |
| const uint16_t* SK_RESTRICT xx = (const uint16_t*)(xy); |
| for (i = (count & 3); i > 0; --i) { |
| SkASSERT(*xx < (unsigned)s.fPixmap.width()); |
| src = srcAddr[*xx++]; *colors++ = RETURNDST(src); |
| } |
| } |
| |
| #ifdef POSTAMBLE |
| POSTAMBLE(s); |
| #endif |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void MAKENAME(_filter_DX)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors) { |
| SkASSERT(count > 0 && colors != nullptr); |
| SkASSERT(s.fFilterQuality != kNone_SkFilterQuality); |
| SkDEBUGCODE(CHECKSTATE(s);) |
| |
| #ifdef PREAMBLE |
| PREAMBLE(s); |
| #endif |
| const char* SK_RESTRICT srcAddr = (const char*)s.fPixmap.addr(); |
| size_t rb = s.fPixmap.rowBytes(); |
| unsigned subY; |
| const SRCTYPE* SK_RESTRICT row0; |
| const SRCTYPE* SK_RESTRICT row1; |
| |
| // setup row ptrs and update proc_table |
| { |
| uint32_t XY = *xy++; |
| unsigned y0 = XY >> 14; |
| row0 = (const SRCTYPE*)(srcAddr + (y0 >> 4) * rb); |
| row1 = (const SRCTYPE*)(srcAddr + (XY & 0x3FFF) * rb); |
| subY = y0 & 0xF; |
| } |
| |
| do { |
| uint32_t XX = *xy++; // x0:14 | 4 | x1:14 |
| unsigned x0 = XX >> 14; |
| unsigned x1 = XX & 0x3FFF; |
| unsigned subX = x0 & 0xF; |
| x0 >>= 4; |
| |
| FILTER_PROC(subX, subY, |
| SRC_TO_FILTER(row0[x0]), |
| SRC_TO_FILTER(row0[x1]), |
| SRC_TO_FILTER(row1[x0]), |
| SRC_TO_FILTER(row1[x1]), |
| colors); |
| colors += 1; |
| |
| } while (--count != 0); |
| |
| #ifdef POSTAMBLE |
| POSTAMBLE(s); |
| #endif |
| } |
| void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s, |
| const uint32_t* SK_RESTRICT xy, |
| int count, SkPMColor* SK_RESTRICT colors) { |
| SkASSERT(count > 0 && colors != nullptr); |
| SkASSERT(s.fFilterQuality != kNone_SkFilterQuality); |
| SkDEBUGCODE(CHECKSTATE(s);) |
| |
| #ifdef PREAMBLE |
| PREAMBLE(s); |
| #endif |
| const char* SK_RESTRICT srcAddr = (const char*)s.fPixmap.addr(); |
| size_t rb = s.fPixmap.rowBytes(); |
| |
| do { |
| uint32_t data = *xy++; |
| unsigned y0 = data >> 14; |
| unsigned y1 = data & 0x3FFF; |
| unsigned subY = y0 & 0xF; |
| y0 >>= 4; |
| |
| data = *xy++; |
| unsigned x0 = data >> 14; |
| unsigned x1 = data & 0x3FFF; |
| unsigned subX = x0 & 0xF; |
| x0 >>= 4; |
| |
| const SRCTYPE* SK_RESTRICT row0 = (const SRCTYPE*)(srcAddr + y0 * rb); |
| const SRCTYPE* SK_RESTRICT row1 = (const SRCTYPE*)(srcAddr + y1 * rb); |
| |
| FILTER_PROC(subX, subY, |
| SRC_TO_FILTER(row0[x0]), |
| SRC_TO_FILTER(row0[x1]), |
| SRC_TO_FILTER(row1[x0]), |
| SRC_TO_FILTER(row1[x1]), |
| colors); |
| colors += 1; |
| } while (--count != 0); |
| |
| #ifdef POSTAMBLE |
| POSTAMBLE(s); |
| #endif |
| } |
| |
| #undef MAKENAME |
| #undef SRCTYPE |
| #undef CHECKSTATE |
| #undef RETURNDST |
| #undef SRC_TO_FILTER |
| #undef FILTER_TO_DST |
| |
| #ifdef PREAMBLE |
| #undef PREAMBLE |
| #endif |
| #ifdef POSTAMBLE |
| #undef POSTAMBLE |
| #endif |
| |
| #undef FILTER_PROC_TYPE |
| #undef GET_FILTER_TABLE |
| #undef GET_FILTER_ROW |
| #undef GET_FILTER_ROW_PROC |
| #undef GET_FILTER_PROC |