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1 ; | |
2 ; jdmrgss2.asm - merged upsampling/color conversion (SSE2) | |
3 ; | |
4 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB | |
5 ; Copyright 2012 D. R. Commander | |
6 ; | |
7 ; Based on | |
8 ; x86 SIMD extension for IJG JPEG library | |
9 ; Copyright (C) 1999-2006, MIYASAKA Masaru. | |
10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc | |
11 ; | |
12 ; This file should be assembled with NASM (Netwide Assembler), | |
13 ; can *not* be assembled with Microsoft's MASM or any compatible | |
14 ; assembler (including Borland's Turbo Assembler). | |
15 ; NASM is available from http://nasm.sourceforge.net/ or | |
16 ; http://sourceforge.net/project/showfiles.php?group_id=6208 | |
17 ; | |
18 ; [TAB8] | |
19 | |
20 %include "jcolsamp.inc" | |
21 | |
22 ; -------------------------------------------------------------------------- | |
23 ; | |
24 ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. | |
25 ; | |
26 ; GLOBAL(void) | |
27 ; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width, | |
28 ; JSAMPIMAGE input_buf, | |
29 ; JDIMENSION in_row_group_ctr, | |
30 ; JSAMPARRAY output_buf); | |
31 ; | |
32 | |
33 %define output_width(b) (b)+8 ; JDIMENSION output_width | |
34 %define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf | |
35 %define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr | |
36 %define output_buf(b) (b)+20 ; JSAMPARRAY output_buf | |
37 | |
38 %define original_ebp ebp+0 | |
39 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] | |
40 %define WK_NUM 3 | |
41 %define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr | |
42 | |
43 align 16 | |
44 global EXTN(jsimd_h2v1_merged_upsample_sse2) PRIVATE | |
45 | |
46 EXTN(jsimd_h2v1_merged_upsample_sse2): | |
47 push ebp | |
48 mov eax,esp ; eax = original ebp | |
49 sub esp, byte 4 | |
50 and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits | |
51 mov [esp],eax | |
52 mov ebp,esp ; ebp = aligned ebp | |
53 lea esp, [wk(0)] | |
54 pushpic eax ; make a room for GOT address | |
55 push ebx | |
56 ; push ecx ; need not be preserved | |
57 ; push edx ; need not be preserved | |
58 push esi | |
59 push edi | |
60 | |
61 get_GOT ebx ; get GOT address | |
62 movpic POINTER [gotptr], ebx ; save GOT address | |
63 | |
64 mov ecx, JDIMENSION [output_width(eax)] ; col | |
65 test ecx,ecx | |
66 jz near .return | |
67 | |
68 push ecx | |
69 | |
70 mov edi, JSAMPIMAGE [input_buf(eax)] | |
71 mov ecx, JDIMENSION [in_row_group_ctr(eax)] | |
72 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] | |
73 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] | |
74 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] | |
75 mov edi, JSAMPARRAY [output_buf(eax)] | |
76 mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 | |
77 mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 | |
78 mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 | |
79 mov edi, JSAMPROW [edi] ; outptr | |
80 | |
81 pop ecx ; col | |
82 | |
83 alignx 16,7 | |
84 .columnloop: | |
85 movpic eax, POINTER [gotptr] ; load GOT address (eax) | |
86 | |
87 movdqa xmm6, XMMWORD [ebx] ; xmm6=Cb(0123456789ABCDEF) | |
88 movdqa xmm7, XMMWORD [edx] ; xmm7=Cr(0123456789ABCDEF) | |
89 | |
90 pxor xmm1,xmm1 ; xmm1=(all 0's) | |
91 pcmpeqw xmm3,xmm3 | |
92 psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} | |
93 | |
94 movdqa xmm4,xmm6 | |
95 punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH | |
96 punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL | |
97 movdqa xmm0,xmm7 | |
98 punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH | |
99 punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL | |
100 | |
101 paddw xmm6,xmm3 | |
102 paddw xmm4,xmm3 | |
103 paddw xmm7,xmm3 | |
104 paddw xmm0,xmm3 | |
105 | |
106 ; (Original) | |
107 ; R = Y + 1.40200 * Cr | |
108 ; G = Y - 0.34414 * Cb - 0.71414 * Cr | |
109 ; B = Y + 1.77200 * Cb | |
110 ; | |
111 ; (This implementation) | |
112 ; R = Y + 0.40200 * Cr + Cr | |
113 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr | |
114 ; B = Y - 0.22800 * Cb + Cb + Cb | |
115 | |
116 movdqa xmm5,xmm6 ; xmm5=CbH | |
117 movdqa xmm2,xmm4 ; xmm2=CbL | |
118 paddw xmm6,xmm6 ; xmm6=2*CbH | |
119 paddw xmm4,xmm4 ; xmm4=2*CbL | |
120 movdqa xmm1,xmm7 ; xmm1=CrH | |
121 movdqa xmm3,xmm0 ; xmm3=CrL | |
122 paddw xmm7,xmm7 ; xmm7=2*CrH | |
123 paddw xmm0,xmm0 ; xmm0=2*CrL | |
124 | |
125 pmulhw xmm6,[GOTOFF(eax,PW_MF0228)] ; xmm6=(2*CbH * -FIX(0.22800)) | |
126 pmulhw xmm4,[GOTOFF(eax,PW_MF0228)] ; xmm4=(2*CbL * -FIX(0.22800)) | |
127 pmulhw xmm7,[GOTOFF(eax,PW_F0402)] ; xmm7=(2*CrH * FIX(0.40200)) | |
128 pmulhw xmm0,[GOTOFF(eax,PW_F0402)] ; xmm0=(2*CrL * FIX(0.40200)) | |
129 | |
130 paddw xmm6,[GOTOFF(eax,PW_ONE)] | |
131 paddw xmm4,[GOTOFF(eax,PW_ONE)] | |
132 psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800)) | |
133 psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800)) | |
134 paddw xmm7,[GOTOFF(eax,PW_ONE)] | |
135 paddw xmm0,[GOTOFF(eax,PW_ONE)] | |
136 psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200)) | |
137 psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200)) | |
138 | |
139 paddw xmm6,xmm5 | |
140 paddw xmm4,xmm2 | |
141 paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H | |
142 paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L | |
143 paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H | |
144 paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L | |
145 | |
146 movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H | |
147 movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H | |
148 | |
149 movdqa xmm6,xmm5 | |
150 movdqa xmm7,xmm2 | |
151 punpcklwd xmm5,xmm1 | |
152 punpckhwd xmm6,xmm1 | |
153 pmaddwd xmm5,[GOTOFF(eax,PW_MF0344_F0285)] | |
154 pmaddwd xmm6,[GOTOFF(eax,PW_MF0344_F0285)] | |
155 punpcklwd xmm2,xmm3 | |
156 punpckhwd xmm7,xmm3 | |
157 pmaddwd xmm2,[GOTOFF(eax,PW_MF0344_F0285)] | |
158 pmaddwd xmm7,[GOTOFF(eax,PW_MF0344_F0285)] | |
159 | |
160 paddd xmm5,[GOTOFF(eax,PD_ONEHALF)] | |
161 paddd xmm6,[GOTOFF(eax,PD_ONEHALF)] | |
162 psrad xmm5,SCALEBITS | |
163 psrad xmm6,SCALEBITS | |
164 paddd xmm2,[GOTOFF(eax,PD_ONEHALF)] | |
165 paddd xmm7,[GOTOFF(eax,PD_ONEHALF)] | |
166 psrad xmm2,SCALEBITS | |
167 psrad xmm7,SCALEBITS | |
168 | |
169 packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285) | |
170 packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285) | |
171 psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H | |
172 psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L | |
173 | |
174 movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H | |
175 | |
176 mov al,2 ; Yctr | |
177 jmp short .Yloop_1st | |
178 alignx 16,7 | |
179 | |
180 .Yloop_2nd: | |
181 movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H | |
182 movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H | |
183 movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H | |
184 alignx 16,7 | |
185 | |
186 .Yloop_1st: | |
187 movdqa xmm7, XMMWORD [esi] ; xmm7=Y(0123456789ABCDEF) | |
188 | |
189 pcmpeqw xmm6,xmm6 | |
190 psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} | |
191 pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE | |
192 psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO | |
193 | |
194 movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H) | |
195 movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H) | |
196 movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H) | |
197 | |
198 paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE) | |
199 paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF) | |
200 packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) | |
201 packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) | |
202 | |
203 paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE) | |
204 paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF) | |
205 packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) | |
206 packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) | |
207 | |
208 paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE) | |
209 paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF) | |
210 packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) | |
211 packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) | |
212 | |
213 %if RGB_PIXELSIZE == 3 ; --------------- | |
214 | |
215 ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) | |
216 ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) | |
217 ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) | |
218 ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) | |
219 | |
220 punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1
C 0E 1E) | |
221 punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0
D 2E 0F) | |
222 punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2
D 1F 2F) | |
223 | |
224 movdqa xmmG,xmmA | |
225 movdqa xmmH,xmmA | |
226 punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 1
6 26 07) | |
227 punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1
E 2E 0F) | |
228 | |
229 psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1
E -- --) | |
230 psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0
F -- --) | |
231 | |
232 movdqa xmmC,xmmD | |
233 movdqa xmmB,xmmD | |
234 punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 2
7 08 18) | |
235 punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2
F -- --) | |
236 | |
237 psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2
F -- --) | |
238 | |
239 movdqa xmmF,xmmE | |
240 punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 0
9 19 29) | |
241 punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -
- -- --) | |
242 | |
243 pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 1
2 22 03) | |
244 movdqa xmmB,xmmE | |
245 punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 2
3 04 14) | |
246 punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 1
6 26 07) | |
247 punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 0
9 19 29) | |
248 | |
249 pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1
A 2A 0B) | |
250 movdqa xmmB,xmmF | |
251 punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2
B 0C 1C) | |
252 punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1
E 2E 0F) | |
253 punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -
- -- --) | |
254 | |
255 punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 1
4 24 05) | |
256 punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 2
9 0A 1A) | |
257 punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0
F 1F 2F) | |
258 | |
259 cmp ecx, byte SIZEOF_XMMWORD | |
260 jb short .column_st32 | |
261 | |
262 test edi, SIZEOF_XMMWORD-1 | |
263 jnz short .out1 | |
264 ; --(aligned)------------------- | |
265 movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
266 movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
267 movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF | |
268 jmp short .out0 | |
269 .out1: ; --(unaligned)----------------- | |
270 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
271 movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
272 movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF | |
273 .out0: | |
274 add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr | |
275 sub ecx, byte SIZEOF_XMMWORD | |
276 jz near .endcolumn | |
277 | |
278 add esi, byte SIZEOF_XMMWORD ; inptr0 | |
279 dec al ; Yctr | |
280 jnz near .Yloop_2nd | |
281 | |
282 add ebx, byte SIZEOF_XMMWORD ; inptr1 | |
283 add edx, byte SIZEOF_XMMWORD ; inptr2 | |
284 jmp near .columnloop | |
285 alignx 16,7 | |
286 | |
287 .column_st32: | |
288 lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE | |
289 cmp ecx, byte 2*SIZEOF_XMMWORD | |
290 jb short .column_st16 | |
291 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
292 movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
293 add edi, byte 2*SIZEOF_XMMWORD ; outptr | |
294 movdqa xmmA,xmmF | |
295 sub ecx, byte 2*SIZEOF_XMMWORD | |
296 jmp short .column_st15 | |
297 .column_st16: | |
298 cmp ecx, byte SIZEOF_XMMWORD | |
299 jb short .column_st15 | |
300 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
301 add edi, byte SIZEOF_XMMWORD ; outptr | |
302 movdqa xmmA,xmmD | |
303 sub ecx, byte SIZEOF_XMMWORD | |
304 .column_st15: | |
305 ; Store the lower 8 bytes of xmmA to the output when it has enough | |
306 ; space. | |
307 cmp ecx, byte SIZEOF_MMWORD | |
308 jb short .column_st7 | |
309 movq XMM_MMWORD [edi], xmmA | |
310 add edi, byte SIZEOF_MMWORD | |
311 sub ecx, byte SIZEOF_MMWORD | |
312 psrldq xmmA, SIZEOF_MMWORD | |
313 .column_st7: | |
314 ; Store the lower 4 bytes of xmmA to the output when it has enough | |
315 ; space. | |
316 cmp ecx, byte SIZEOF_DWORD | |
317 jb short .column_st3 | |
318 movd XMM_DWORD [edi], xmmA | |
319 add edi, byte SIZEOF_DWORD | |
320 sub ecx, byte SIZEOF_DWORD | |
321 psrldq xmmA, SIZEOF_DWORD | |
322 .column_st3: | |
323 ; Store the lower 2 bytes of eax to the output when it has enough | |
324 ; space. | |
325 movd eax, xmmA | |
326 cmp ecx, byte SIZEOF_WORD | |
327 jb short .column_st1 | |
328 mov WORD [edi], ax | |
329 add edi, byte SIZEOF_WORD | |
330 sub ecx, byte SIZEOF_WORD | |
331 shr eax, 16 | |
332 .column_st1: | |
333 ; Store the lower 1 byte of eax to the output when it has enough | |
334 ; space. | |
335 test ecx, ecx | |
336 jz short .endcolumn | |
337 mov BYTE [edi], al | |
338 | |
339 %else ; RGB_PIXELSIZE == 4 ; ----------- | |
340 | |
341 %ifdef RGBX_FILLER_0XFF | |
342 pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) | |
343 pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) | |
344 %else | |
345 pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) | |
346 pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) | |
347 %endif | |
348 ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) | |
349 ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) | |
350 ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) | |
351 ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) | |
352 | |
353 punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1
C 0E 1E) | |
354 punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3
C 2E 3E) | |
355 punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1
D 0F 1F) | |
356 punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3
D 2F 3F) | |
357 | |
358 movdqa xmmC,xmmA | |
359 punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 1
6 26 36) | |
360 punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1
E 2E 3E) | |
361 movdqa xmmG,xmmB | |
362 punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 1
7 27 37) | |
363 punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1
F 2F 3F) | |
364 | |
365 movdqa xmmD,xmmA | |
366 punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 1
3 23 33) | |
367 punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 1
7 27 37) | |
368 movdqa xmmH,xmmC | |
369 punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1
B 2B 3B) | |
370 punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1
F 2F 3F) | |
371 | |
372 cmp ecx, byte SIZEOF_XMMWORD | |
373 jb short .column_st32 | |
374 | |
375 test edi, SIZEOF_XMMWORD-1 | |
376 jnz short .out1 | |
377 ; --(aligned)------------------- | |
378 movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
379 movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
380 movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC | |
381 movntdq XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH | |
382 jmp short .out0 | |
383 .out1: ; --(unaligned)----------------- | |
384 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
385 movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
386 movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC | |
387 movdqu XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH | |
388 .out0: | |
389 add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr | |
390 sub ecx, byte SIZEOF_XMMWORD | |
391 jz near .endcolumn | |
392 | |
393 add esi, byte SIZEOF_XMMWORD ; inptr0 | |
394 dec al ; Yctr | |
395 jnz near .Yloop_2nd | |
396 | |
397 add ebx, byte SIZEOF_XMMWORD ; inptr1 | |
398 add edx, byte SIZEOF_XMMWORD ; inptr2 | |
399 jmp near .columnloop | |
400 alignx 16,7 | |
401 | |
402 .column_st32: | |
403 cmp ecx, byte SIZEOF_XMMWORD/2 | |
404 jb short .column_st16 | |
405 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
406 movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD | |
407 add edi, byte 2*SIZEOF_XMMWORD ; outptr | |
408 movdqa xmmA,xmmC | |
409 movdqa xmmD,xmmH | |
410 sub ecx, byte SIZEOF_XMMWORD/2 | |
411 .column_st16: | |
412 cmp ecx, byte SIZEOF_XMMWORD/4 | |
413 jb short .column_st15 | |
414 movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA | |
415 add edi, byte SIZEOF_XMMWORD ; outptr | |
416 movdqa xmmA,xmmD | |
417 sub ecx, byte SIZEOF_XMMWORD/4 | |
418 .column_st15: | |
419 ; Store two pixels (8 bytes) of xmmA to the output when it has enough | |
420 ; space. | |
421 cmp ecx, byte SIZEOF_XMMWORD/8 | |
422 jb short .column_st7 | |
423 movq XMM_MMWORD [edi], xmmA | |
424 add edi, byte SIZEOF_XMMWORD/8*4 | |
425 sub ecx, byte SIZEOF_XMMWORD/8 | |
426 psrldq xmmA, SIZEOF_XMMWORD/8*4 | |
427 .column_st7: | |
428 ; Store one pixel (4 bytes) of xmmA to the output when it has enough | |
429 ; space. | |
430 test ecx, ecx | |
431 jz short .endcolumn | |
432 movd XMM_DWORD [edi], xmmA | |
433 | |
434 %endif ; RGB_PIXELSIZE ; --------------- | |
435 | |
436 .endcolumn: | |
437 sfence ; flush the write buffer | |
438 | |
439 .return: | |
440 pop edi | |
441 pop esi | |
442 ; pop edx ; need not be preserved | |
443 ; pop ecx ; need not be preserved | |
444 pop ebx | |
445 mov esp,ebp ; esp <- aligned ebp | |
446 pop esp ; esp <- original ebp | |
447 pop ebp | |
448 ret | |
449 | |
450 ; -------------------------------------------------------------------------- | |
451 ; | |
452 ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. | |
453 ; | |
454 ; GLOBAL(void) | |
455 ; jsimd_h2v2_merged_upsample_sse2 (JDIMENSION output_width, | |
456 ; JSAMPIMAGE input_buf, | |
457 ; JDIMENSION in_row_group_ctr, | |
458 ; JSAMPARRAY output_buf); | |
459 ; | |
460 | |
461 %define output_width(b) (b)+8 ; JDIMENSION output_width | |
462 %define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf | |
463 %define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr | |
464 %define output_buf(b) (b)+20 ; JSAMPARRAY output_buf | |
465 | |
466 align 16 | |
467 global EXTN(jsimd_h2v2_merged_upsample_sse2) PRIVATE | |
468 | |
469 EXTN(jsimd_h2v2_merged_upsample_sse2): | |
470 push ebp | |
471 mov ebp,esp | |
472 push ebx | |
473 ; push ecx ; need not be preserved | |
474 ; push edx ; need not be preserved | |
475 push esi | |
476 push edi | |
477 | |
478 mov eax, POINTER [output_width(ebp)] | |
479 | |
480 mov edi, JSAMPIMAGE [input_buf(ebp)] | |
481 mov ecx, JDIMENSION [in_row_group_ctr(ebp)] | |
482 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] | |
483 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] | |
484 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] | |
485 mov edi, JSAMPARRAY [output_buf(ebp)] | |
486 lea esi, [esi+ecx*SIZEOF_JSAMPROW] | |
487 | |
488 push edx ; inptr2 | |
489 push ebx ; inptr1 | |
490 push esi ; inptr00 | |
491 mov ebx,esp | |
492 | |
493 push edi ; output_buf (outptr0) | |
494 push ecx ; in_row_group_ctr | |
495 push ebx ; input_buf | |
496 push eax ; output_width | |
497 | |
498 call near EXTN(jsimd_h2v1_merged_upsample_sse2) | |
499 | |
500 add esi, byte SIZEOF_JSAMPROW ; inptr01 | |
501 add edi, byte SIZEOF_JSAMPROW ; outptr1 | |
502 mov POINTER [ebx+0*SIZEOF_POINTER], esi | |
503 mov POINTER [ebx-1*SIZEOF_POINTER], edi | |
504 | |
505 call near EXTN(jsimd_h2v1_merged_upsample_sse2) | |
506 | |
507 add esp, byte 7*SIZEOF_DWORD | |
508 | |
509 pop edi | |
510 pop esi | |
511 ; pop edx ; need not be preserved | |
512 ; pop ecx ; need not be preserved | |
513 pop ebx | |
514 pop ebp | |
515 ret | |
516 | |
517 ; For some reason, the OS X linker does not honor the request to align the | |
518 ; segment unless we do this. | |
519 align 16 | |
OLD | NEW |