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// -*- c++ -*-
unsigned char* pDest;
const unsigned char* pSrcP;
const unsigned char* pSrc;
const unsigned char* pBob;
const unsigned char* pBobP;
Q_INT64 Max_Mov[2] __attribute__((aligned(16))) = { 0x0404040404040404ull, 0x0404040404040404ull };
Q_INT64 DiffThres[2] __attribute__((aligned(16))) = { 0x0f0f0f0f0f0f0f0full, 0x0f0f0f0f0f0f0f0full };
Q_INT64 YMask[2] __attribute__((aligned(16))) = { 0x00ff00ff00ff00ffull, 0x00ff00ff00ff00ffull }; // keeps only luma
Q_INT64 UVMask[2] __attribute__((aligned(16))) = { 0xff00ff00ff00ff00ull, 0xff00ff00ff00ff00ull }; // keeps only chroma
Q_INT64 TENS[2] __attribute__((aligned(16))) = { 0x0a0a0a0a0a0a0a0aull, 0x0a0a0a0a0a0a0a0aull };
Q_INT64 FOURS[2] __attribute__((aligned(16))) = { 0x0404040404040404ull, 0x0404040404040404ull };
Q_INT64 ONES[2] __attribute__((aligned(16))) = { 0x0101010101010101ull, 0x0101010101010101ull };
Q_INT64 Min_Vals[2] __attribute__((aligned(16))) = { 0x0000000000000000ull, 0x0000000000000000ull };
Q_INT64 Max_Vals[2] __attribute__((aligned(16))) = { 0x0000000000000000ull, 0x0000000000000000ull };
Q_INT64 ShiftMask = 0xfefffefffefffeffull;
#if defined(DBL_RESIZE) || defined(USE_FOR_DSCALER)
int src_pitch2 = src_pitch; // even & odd lines are not interleaved in DScaler
#else
int src_pitch2 = 2 * src_pitch; // even & odd lines are interleaved in Avisynth
#endif
int dst_pitch2 = 2 * dst_pitch;
int y;
#ifdef IS_SSE2
int Last8 = (rowsize-16); // ofs to last 16 bytes in row for SSE2
#else
int Last8 = (rowsize-8); // ofs to last 8 bytes in row
#endif
int dst_pitchw = dst_pitch; // local stor so asm can ref
pSrc = pWeaveSrc; // points 1 weave line above
pSrcP = pWeaveSrcP; // "
#ifdef DBL_RESIZE
#ifdef USE_VERTICAL_FILTER
pDest = pWeaveDest + dst_pitch2;
#else
pDest = pWeaveDest + 3*dst_pitch;
#endif
#else
#ifdef USE_VERTICAL_FILTER
pDest = pWeaveDest + dst_pitch;
#else
pDest = pWeaveDest + dst_pitch2;
#endif
#endif
if (IsOdd)
{
pBob = pCopySrc + src_pitch2; // remember one weave line just copied previously
pBobP = pCopySrcP + src_pitch2;
}
else
{
pBob = pCopySrc;
pBobP = pCopySrcP;
}
#define _pBob "%0"
#define _src_pitch2 "%1"
#define _ShiftMask "%2"
#define _pDest "%3"
#define _dst_pitchw "%4"
#define _Last8 "%5"
#define _pSrc "%6"
#define _pSrcP "%7"
#define _pBobP "%8"
#define _DiffThres "%9"
#define _Min_Vals "%10"
#define _Max_Vals "%11"
#define _FOURS "%12"
#define _TENS "%13"
#define _ONES "%14"
#define _UVMask "%15"
#define _Max_Mov "%16"
#define _YMask "%17"
for (y=1; y < FldHeight-1; y++)
{
// pretend it's indented -->>
__asm__ __volatile__
(
// Loop general reg usage
//
// eax - pBobP, then pDest
// ebx - pBob
// ecx - src_pitch2
// edx - current offset
// edi - prev weave pixels, 1 line up
// esi - next weave pixels, 1 line up
// Save ebx (-fPIC)
"pushl %%ebx\n\t"
#ifdef IS_SSE2
// sse2 code deleted for now
#else
// simple bob first 8 bytes
"movl "_pBob", %%ebx\n\t"
"movl "_src_pitch2", %%ecx\n\t"
#ifdef USE_VERTICAL_FILTER
"movq (%%ebx), %%mm0\n\t"
"movq (%%ebx, %%ecx), %%mm1\n\t" //, qword ptr[ebx+ecx]
"movq %%mm0, %%mm2\n\t"
V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // halfway between
V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask) // 1/4 way
V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask) // 3/4 way
"movl "_pDest", %%edi\n\t"
"movl "_dst_pitchw", %%eax\n\t"
V_MOVNTQ ("(%%edi)", "%%mm0")
V_MOVNTQ ("(%%edi, %%eax)", "%%mm1") // qword ptr[edi+eax], mm1
// simple bob last 8 bytes
"movl "_Last8", %%edx\n\t"
"leal (%%ebx, %%edx), %%esi\n\t" // [ebx+edx]
"movq (%%esi), %%mm0\n\t"
"movq (%%esi, %%ecx), %%mm1\n\t" // qword ptr[esi+ecx]
"movq %%mm0, %%mm2\n\t"
V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // halfway between
V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask) // 1/4 way
V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask) // 3/4 way
"addl %%edx, %%edi\n\t" // last 8 bytes of dest
V_MOVNTQ ("%%edi", "%%mm0")
V_MOVNTQ ("(%%edi, %%eax)", "%%mm1") // qword ptr[edi+eax], mm1)
#else
"movq (%%ebx), %%mm0\n\t"
// pavgb mm0, qword ptr[ebx+ecx]
V_PAVGB ("%%mm0", "(%%ebx, %%ecx)", "%%mm2", _ShiftMask) // qword ptr[ebx+ecx], mm2, ShiftMask)
"movl "_pDest", %%edi\n\t"
V_MOVNTQ ("(%%edi)", "%%mm0")
// simple bob last 8 bytes
"movl "_Last8", %%edx\n\t"
"leal (%%ebx, %%edx), %%esi\n\t" //esi, [ebx+edx]
"movq (%%esi), %%mm0\n\t"
// pavgb mm0, qword ptr[esi+ecx]
V_PAVGB ("%%mm0", "(%%esi, %%ecx)", "%%mm2", _ShiftMask) // qword ptr[esi+ecx], mm2, ShiftMask)
V_MOVNTQ ("(%%edi, %%edx)", "%%mm0") // qword ptr[edi+edx], mm0)
#endif
// now loop and get the middle qwords
"movl "_pSrc", %%esi\n\t"
"movl "_pSrcP", %%edi\n\t"
"movl $8, %%edx\n\t" // curr offset into all lines
"1:\n\t"
"movl "_pBobP", %%eax\n\t"
"addl $8, %%edi\n\t"
"addl $8, %%esi\n\t"
"addl $8, %%ebx\n\t"
"addl %%edx, %%eax\n\t"
#ifdef USE_STRANGE_BOB
#include "StrangeBob.inc"
#else
#include "WierdBob.inc"
#endif
// For non-SSE2:
// through out most of the rest of this loop we will maintain
// mm4 our min bob value
// mm5 best weave pixels so far
// mm6 our max Bob value
// mm7 best weighted pixel ratings so far
// We will keep a slight bias to using the weave pixels
// from the current location, by rating them by the min distance
// from the Bob value instead of the avg distance from that value.
// our best and only rating so far
"pcmpeqb %%mm7, %%mm7\n\t" // ffff, say we didn't find anything good yet
#endif
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