1// -*- c++ -*-
2
3unsigned char* pDest;
4const unsigned char* pSrcP;
5const unsigned char* pSrc;
6const unsigned char* pBob;
7const unsigned char* pBobP;
8
9// long is int32 on ARCH_368, int64 on ARCH_AMD64. Declaring it this way
10// saves a lot of xor's to delete 64bit garbage.
11
12#if defined(DBL_RESIZE) || defined(USE_FOR_DSCALER)
13long	    src_pitch2 = src_pitch;			// even & odd lines are not interleaved in DScaler
14#else
15long	    src_pitch2 = 2 * src_pitch;		// even & odd lines are interleaved in Avisynth
16#endif
17
18
19long	    dst_pitch2 = 2 * dst_pitch;
20long        y;
21
22long     Last8;
23
24	pSrc  = pWeaveSrc;			// points 1 weave line above
25	pSrcP = pWeaveSrcP;			// "
26
27#ifdef DBL_RESIZE
28
29#ifdef USE_VERTICAL_FILTER
30	pDest = pWeaveDest + dst_pitch2;
31#else
32	pDest = pWeaveDest + 3*dst_pitch;
33#endif
34
35#else
36
37#ifdef USE_VERTICAL_FILTER
38	pDest = pWeaveDest + dst_pitch;
39#else
40	pDest = pWeaveDest + dst_pitch2;
41#endif
42
43#endif
44
45	if (TopFirst)
46	{
47		pBob = pCopySrc + src_pitch2;      // remember one weave line just copied previously
48		pBobP = pCopySrcP + src_pitch2;
49	}
50	else
51	{
52		pBob =  pCopySrc;
53		pBobP =  pCopySrcP;
54	}
55
56#ifndef IS_C
57
58#ifndef _pBob
59#define _pBob       "%0"
60#define _src_pitch2 "%1"
61#define _ShiftMask  "%2"
62#define _pDest      "%3"
63#define _dst_pitchw "%4"
64#define _Last8      "%5"
65#define _pSrc       "%6"
66#define _pSrcP      "%7"
67#define _pBobP      "%8"
68#define _DiffThres  "%9"
69#define _Min_Vals   "%10"
70#define _Max_Vals   "%11"
71#define _FOURS      "%12"
72#define _TENS       "%13"
73#define _ONES       "%14"
74#define _UVMask     "%15"
75#define _Max_Mov    "%16"
76#define _YMask      "%17"
77#define _oldbx      "%18"
78#endif
79        Last8 = (rowsize-8);
80
81	for (y=1; y < FldHeight-1; y++)
82	{
83          long	dst_pitchw = dst_pitch; // local stor so asm can ref
84          int64_t Max_Mov   = 0x0404040404040404ull;
85          int64_t DiffThres = 0x0f0f0f0f0f0f0f0full;
86          int64_t YMask     = 0x00ff00ff00ff00ffull; // keeps only luma
87          int64_t UVMask    = 0xff00ff00ff00ff00ull; // keeps only chroma
88          int64_t TENS      = 0x0a0a0a0a0a0a0a0aull;
89          int64_t FOURS     = 0x0404040404040404ull;
90          int64_t ONES      = 0x0101010101010101ull;
91          int64_t Min_Vals  = 0x0000000000000000ull;
92          int64_t Max_Vals  = 0x0000000000000000ull;
93          int64_t ShiftMask = 0xfefffefffefffeffull;
94
95          long oldbx = 0;
96
97		// pretend it's indented -->>
98        __asm__ __volatile__
99            (
100             // Loop general reg usage
101             //
102             // XAX - pBobP, then pDest
103             // XBX - pBob
104             // XCX - src_pitch2
105             // XDX - current offset
106             // XDI - prev weave pixels, 1 line up
107             // XSI - next weave pixels, 1 line up
108
109             // Save "XBX" (-fPIC)
110	     MOVX" %%"XBX", "_oldbx"\n\t"
111
112             // simple bob first 8 bytes
113             MOVX"	"_pBob",        %%"XBX"\n\t"
114             MOVX"	"_src_pitch2",  %%"XCX"\n\t"
115
116#ifdef USE_VERTICAL_FILTER
117             "movq	    (%%"XBX"),        %%mm0\n\t"
118             "movq	    (%%"XBX", %%"XCX"), %%mm1\n\t" //, qword ptr["XBX"+"XCX"]
119             "movq	    %%mm0,          %%mm2\n\t"
120             V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask)		// halfway between
121             V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask)		// 1/4 way
122             V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask)		// 3/4 way
123             MOVX"		"_pDest",       %%"XDI"\n\t"
124             MOVX"		"_dst_pitchw",  %%"XAX"\n\t"
125             V_MOVNTQ	("(%%"XDI")", "%%mm0")
126             V_MOVNTQ	("(%%"XDI", %%"XAX")", "%%mm1") // qword ptr["XDI"+"XAX"], mm1
127
128             // simple bob last 8 bytes
129             MOVX"		"_Last8", %%"XDX"\n\t"
130             LEAX"		(%%"XBX", %%"XDX"), %%"XSI"\n\t"  // ["XBX"+"XDX"]
131             "movq	    (%%"XSI"), %%mm0\n\t"
132             "movq	    (%%"XSI", %%"XCX"), %%mm1\n\t"    // qword ptr["XSI"+"XCX"]
133             "movq	    %%mm0, %%mm2\n\t"
134             V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask)		// halfway between
135             V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask)		// 1/4 way
136             V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask)		// 3/4 way
137             ADDX"		%%"XDX", %%"XDI"\n\t"						// last 8 bytes of dest
138             V_MOVNTQ	("%%"XDI"", "%%mm0")
139             V_MOVNTQ	("(%%"XDI", %%"XAX")", "%%mm1") // qword ptr["XDI"+"XAX"], mm1)
140
141#else
142             "movq	(%%"XBX"), %%mm0\n\t"
143             //		pavgb	mm0, qword ptr["XBX"+"XCX"]
144             V_PAVGB ("%%mm0", "(%%"XBX", %%"XCX")", "%%mm2", _ShiftMask) // qword ptr["XBX"+"XCX"], mm2, ShiftMask)
145             MOVX"		"_pDest", %%"XDI"\n\t"
146             V_MOVNTQ	("(%%"XDI")", "%%mm0")
147
148             // simple bob last 8 bytes
149             MOVX"		"_Last8", %%"XDX"\n\t"
150             LEAX"		(%%"XBX", %%"XDX"), %%"XSI"\n\t" //"XSI", ["XBX"+"XDX"]
151             "movq	    (%%"XSI"), %%mm0\n\t"
152             //		pavgb	mm0, qword ptr["XSI"+"XCX"]
153             V_PAVGB	("%%mm0", "(%%"XSI", %%"XCX")", "%%mm2", _ShiftMask) // qword ptr["XSI"+"XCX"], mm2, ShiftMask)
154             V_MOVNTQ	("(%%"XDI", %%"XDX")", "%%mm0") // qword ptr["XDI"+"XDX"], mm0)
155#endif
156             // now loop and get the middle qwords
157             MOVX"		"_pSrc", %%"XSI"\n\t"
158             MOVX"		"_pSrcP", %%"XDI"\n\t"
159             MOVX"		$8, %%"XDX"\n\t"				// curr offset longo all lines
160
161             "1:\n\t"
162             MOVX"		"_pBobP", %%"XAX"\n\t"
163             ADDX"		$8, %%"XDI"\n\t"
164             ADDX"		$8, %%"XSI"\n\t"
165             ADDX"		$8, %%"XBX"\n\t"
166             ADDX"		%%"XDX", %%"XAX"\n\t"
167
168#ifdef USE_STRANGE_BOB
169#include "StrangeBob.inc"
170#else
171#include "WierdBob.inc"
172#endif
173
174             // For non-SSE2:
175             // through out most of the rest of this loop we will maintain
176             //	mm4		our min bob value
177             //	mm5		best weave pixels so far
178             // mm6		our max Bob value
179             //	mm7		best weighted pixel ratings so far
180
181             // We will keep a slight bias to using the weave pixels
182             // from the current location, by rating them by the min distance
183             // from the Bob value instead of the avg distance from that value.
184             // our best and only rating so far
185             "pcmpeqb	%%mm7, %%mm7\n\t"			// ffff, say we didn't find anything good yet
186
187#else
188        Last8 = (rowsize - 4);
189
190	for (y=1; y < FldHeight-1; y++)
191	{
192	  #ifdef USE_STRANGE_BOB
193	  long DiffThres = 0x0f;
194	  #endif
195
196	  #ifndef SKIP_SEARCH
197	  long weave[2], MaxVals[2], MinVals[2];
198	  #endif
199
200	  long diff[2], best[2], avg[2], diff2[2], out[2], x;
201
202#ifdef USE_VERTICAL_FILTER
203             pDest[0] = (3 * pBob[0] + pBob[src_pitch2]) / 4;
204             pDest[1] = (3 * pBob[1] + pBob[src_pitch2 + 1]) / 4;
205             pDest[2] = (3 * pBob[2] + pBob[src_pitch2 + 2]) / 4;
206             pDest[3] = (3 * pBob[3] + pBob[src_pitch2 + 3]) / 4;
207	     pDest[dst_pitchw] = (pBob[0] + 3 * pBob[src_pitch2]) / 4;
208	     pDest[dst_pitchw + 1] = (pBob[1] + 3 * pBob[src_pitch2 + 1]) / 4;
209	     pDest[dst_pitchw + 2] = (pBob[2] + 3 * pBob[src_pitch2 + 2]) / 4;
210	     pDest[dst_pitchw + 3] = (pBob[3] + 3 * pBob[src_pitch2 + 3]) / 4;
211
212             // simple bob last byte
213	     pDest[Last8] = (3 * pBob[Last8] + pBob[Last8 + src_pitch2]) / 4;
214	     pDest[Last8 + 1] = (3 * pBob[Last8 + 1] + pBob[Last8 + src_pitch2 + 1]) / 4;
215	     pDest[Last8 + 2] = (3 * pBob[Last8 + 2] + pBob[Last8 + src_pitch2 + 2]) / 4;
216	     pDest[Last8 + 3] = (3 * pBob[Last8 + 3] + pBob[Last8 + src_pitch2 + 3]) / 4;
217	     pDest[Last8 + src_pitch2] = (pBob[Last8] + 3 * pBob[Last8 + src_pitch2]) / 4;
218	     pDest[Last8 + src_pitch2 + 1] = (pBob[Last8 + 1] + 3 * pBob[Last8 + src_pitch2 + 1]) / 4;
219	     pDest[Last8 + src_pitch2 + 2] = (pBob[Last8 + 2] + 3 * pBob[Last8 + src_pitch2 + 2]) / 4;
220	     pDest[Last8 + src_pitch2 + 3] = (pBob[Last8 + 3] + 3 * pBob[Last8 + src_pitch2 + 3]) / 4;
221#else
222             pDest[0] = (pBob[0] + pBob[src_pitch2 + 1]) / 2;
223             pDest[1] = (pBob[1] + pBob[src_pitch2 + 1]) / 2;
224             pDest[2] = (pBob[2] + pBob[src_pitch2 + 2]) / 2;
225             pDest[3] = (pBob[3] + pBob[src_pitch2 + 3]) / 2;
226
227             // simple bob last byte
228	     pDest[Last8] = (pBob[Last8] + pBob[Last8 + src_pitch2]) / 2;
229	     pDest[Last8 + 1] = (pBob[Last8 + 1] + pBob[Last8 + src_pitch2 + 1]) / 2;
230	     pDest[Last8 + 2] = (pBob[Last8 + 2] + pBob[Last8 + src_pitch2 + 2]) / 2;
231	     pDest[Last8 + 3] = (pBob[Last8 + 3] + pBob[Last8 + src_pitch2 + 3]) / 2;
232#endif
233
234             pBob += 4;
235	     pBobP += 4;
236	     pSrc += 4;
237	     pSrcP += 4;
238
239             for (x=4; x < Last8; x += 2) {
240
241#ifdef USE_STRANGE_BOB
242#include "StrangeBob.inc"
243#else
244#include "WierdBob.inc"
245#endif
246
247             // We will keep a slight bias to using the weave pixels
248             // from the current location, by rating them by the min distance
249             // from the Bob value instead of the avg distance from that value.
250             // our best and only rating so far
251             diff[0] = diff[1] = 255;
252
253
254#endif
255