208 lines
6.3 KiB
C
208 lines
6.3 KiB
C
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#if DSTSIZE==32
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#define DSTTYPE SkPMColor
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#elif DSTSIZE==16
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#define DSTTYPE uint16_t
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#else
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#error "need DSTSIZE to be 32 or 16"
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#endif
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static void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s,
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const uint32_t* SK_RESTRICT xy,
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int count, DSTTYPE* SK_RESTRICT colors) {
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SkASSERT(count > 0 && colors != NULL);
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SkASSERT(s.fDoFilter == false);
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SkDEBUGCODE(CHECKSTATE(s);)
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#ifdef PREAMBLE
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PREAMBLE(s);
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#endif
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const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels();
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int i, rb = s.fBitmap->rowBytes();
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uint32_t XY;
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SRCTYPE src;
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for (i = (count >> 1); i > 0; --i) {
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XY = *xy++;
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SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() &&
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(XY & 0xFFFF) < (unsigned)s.fBitmap->width());
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src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF];
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*colors++ = RETURNDST(src);
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XY = *xy++;
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SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() &&
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(XY & 0xFFFF) < (unsigned)s.fBitmap->width());
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src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF];
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*colors++ = RETURNDST(src);
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}
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if (count & 1) {
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XY = *xy++;
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SkASSERT((XY >> 16) < (unsigned)s.fBitmap->height() &&
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(XY & 0xFFFF) < (unsigned)s.fBitmap->width());
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src = ((const SRCTYPE*)(srcAddr + (XY >> 16) * rb))[XY & 0xFFFF];
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*colors++ = RETURNDST(src);
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}
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#ifdef POSTAMBLE
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POSTAMBLE(s);
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#endif
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}
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static void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s,
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const uint32_t* SK_RESTRICT xy,
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int count, DSTTYPE* SK_RESTRICT colors) {
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SkASSERT(count > 0 && colors != NULL);
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SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
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SkASSERT(s.fDoFilter == false);
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SkDEBUGCODE(CHECKSTATE(s);)
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#ifdef PREAMBLE
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PREAMBLE(s);
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#endif
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const SRCTYPE* SK_RESTRICT srcAddr = (const SRCTYPE*)s.fBitmap->getPixels();
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int i;
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// bump srcAddr to the proper row, since we're told Y never changes
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SkASSERT((unsigned)xy[0] < (unsigned)s.fBitmap->height());
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srcAddr = (const SRCTYPE*)((const char*)srcAddr +
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xy[0] * s.fBitmap->rowBytes());
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// buffer is y32, x16, x16, x16, x16, x16
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const uint16_t* SK_RESTRICT xx = (const uint16_t*)(xy + 1);
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SRCTYPE src;
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for (i = (count >> 2); i > 0; --i) {
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SkASSERT(*xx < (unsigned)s.fBitmap->width());
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src = srcAddr[*xx++]; *colors++ = RETURNDST(src);
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SkASSERT(*xx < (unsigned)s.fBitmap->width());
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src = srcAddr[*xx++]; *colors++ = RETURNDST(src);
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SkASSERT(*xx < (unsigned)s.fBitmap->width());
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src = srcAddr[*xx++]; *colors++ = RETURNDST(src);
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SkASSERT(*xx < (unsigned)s.fBitmap->width());
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src = srcAddr[*xx++]; *colors++ = RETURNDST(src);
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}
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for (i = (count & 3); i > 0; --i) {
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SkASSERT(*xx < (unsigned)s.fBitmap->width());
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src = srcAddr[*xx++]; *colors++ = RETURNDST(src);
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}
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#ifdef POSTAMBLE
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POSTAMBLE(s);
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#endif
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}
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///////////////////////////////////////////////////////////////////////////////
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static void MAKENAME(_filter_DX)(const SkBitmapProcState& s,
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const uint32_t* SK_RESTRICT xy,
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int count, DSTTYPE* SK_RESTRICT colors) {
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SkASSERT(count > 0 && colors != NULL);
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SkASSERT(s.fDoFilter);
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SkDEBUGCODE(CHECKSTATE(s);)
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#ifdef PREAMBLE
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PREAMBLE(s);
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#endif
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const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels();
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unsigned rb = s.fBitmap->rowBytes();
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unsigned subY;
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const SRCTYPE* SK_RESTRICT row0;
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const SRCTYPE* SK_RESTRICT row1;
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// setup row ptrs and update proc_table
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{
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uint32_t XY = *xy++;
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unsigned y0 = XY >> 14;
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row0 = (const SRCTYPE*)(srcAddr + (y0 >> 4) * rb);
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row1 = (const SRCTYPE*)(srcAddr + (XY & 0x3FFF) * rb);
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subY = y0 & 0xF;
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}
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do {
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uint32_t XX = *xy++; // x0:14 | 4 | x1:14
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unsigned x0 = XX >> 14;
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unsigned x1 = XX & 0x3FFF;
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unsigned subX = x0 & 0xF;
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x0 >>= 4;
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uint32_t c = FILTER_PROC(subX, subY,
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SRC_TO_FILTER(row0[x0]),
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SRC_TO_FILTER(row0[x1]),
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SRC_TO_FILTER(row1[x0]),
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SRC_TO_FILTER(row1[x1]));
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*colors++ = FILTER_TO_DST(c);
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} while (--count != 0);
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#ifdef POSTAMBLE
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POSTAMBLE(s);
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#endif
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}
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static void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s,
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const uint32_t* SK_RESTRICT xy,
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int count, DSTTYPE* SK_RESTRICT colors) {
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SkASSERT(count > 0 && colors != NULL);
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SkASSERT(s.fDoFilter);
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SkDEBUGCODE(CHECKSTATE(s);)
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#ifdef PREAMBLE
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PREAMBLE(s);
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#endif
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const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels();
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int rb = s.fBitmap->rowBytes();
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do {
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uint32_t data = *xy++;
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unsigned y0 = data >> 14;
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unsigned y1 = data & 0x3FFF;
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unsigned subY = y0 & 0xF;
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y0 >>= 4;
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data = *xy++;
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unsigned x0 = data >> 14;
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unsigned x1 = data & 0x3FFF;
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unsigned subX = x0 & 0xF;
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x0 >>= 4;
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const SRCTYPE* SK_RESTRICT row0 = (const SRCTYPE*)(srcAddr + y0 * rb);
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const SRCTYPE* SK_RESTRICT row1 = (const SRCTYPE*)(srcAddr + y1 * rb);
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uint32_t c = FILTER_PROC(subX, subY,
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SRC_TO_FILTER(row0[x0]),
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SRC_TO_FILTER(row0[x1]),
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SRC_TO_FILTER(row1[x0]),
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SRC_TO_FILTER(row1[x1]));
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*colors++ = FILTER_TO_DST(c);
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} while (--count != 0);
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#ifdef POSTAMBLE
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POSTAMBLE(s);
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#endif
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}
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#undef MAKENAME
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#undef DSTSIZE
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#undef DSTTYPE
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#undef SRCTYPE
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#undef CHECKSTATE
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#undef RETURNDST
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#undef SRC_TO_FILTER
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#undef FILTER_TO_DST
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#ifdef PREAMBLE
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#undef PREAMBLE
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#endif
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#ifdef POSTAMBLE
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#undef POSTAMBLE
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#endif
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#undef FILTER_PROC_TYPE
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#undef GET_FILTER_TABLE
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#undef GET_FILTER_ROW
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#undef GET_FILTER_ROW_PROC
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#undef GET_FILTER_PROC
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