gfx/cairo/libpixman/src/pixman-mips-dspr2-asm.h@b8a032363ba2
gfx/cairo/libpixman/src/pixman-mips-dspr2-asm.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /*
2 * Copyright (c) 2012
3 * MIPS Technologies, Inc., California.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Author: Nemanja Lukic (nlukic@mips.com)
30 */
32 #ifndef PIXMAN_MIPS_DSPR2_ASM_H
33 #define PIXMAN_MIPS_DSPR2_ASM_H
35 #define zero $0
36 #define AT $1
37 #define v0 $2
38 #define v1 $3
39 #define a0 $4
40 #define a1 $5
41 #define a2 $6
42 #define a3 $7
43 #define t0 $8
44 #define t1 $9
45 #define t2 $10
46 #define t3 $11
47 #define t4 $12
48 #define t5 $13
49 #define t6 $14
50 #define t7 $15
51 #define s0 $16
52 #define s1 $17
53 #define s2 $18
54 #define s3 $19
55 #define s4 $20
56 #define s5 $21
57 #define s6 $22
58 #define s7 $23
59 #define t8 $24
60 #define t9 $25
61 #define k0 $26
62 #define k1 $27
63 #define gp $28
64 #define sp $29
65 #define fp $30
66 #define s8 $30
67 #define ra $31
69 /*
70 * LEAF_MIPS32R2 - declare leaf routine for MIPS32r2
71 */
72 #define LEAF_MIPS32R2(symbol) \
73 .globl symbol; \
74 .align 2; \
75 .type symbol, @function; \
76 .ent symbol, 0; \
77 symbol: .frame sp, 0, ra; \
78 .set push; \
79 .set arch=mips32r2; \
80 .set noreorder; \
81 .set noat;
83 /*
84 * LEAF_MIPS32R2 - declare leaf routine for MIPS DSPr2
85 */
86 #define LEAF_MIPS_DSPR2(symbol) \
87 LEAF_MIPS32R2(symbol) \
88 .set dspr2;
90 /*
91 * END - mark end of function
92 */
93 #define END(function) \
94 .set pop; \
95 .end function; \
96 .size function,.-function
98 /*
99 * Checks if stack offset is big enough for storing/restoring regs_num
100 * number of register to/from stack. Stack offset must be greater than
101 * or equal to the number of bytes needed for storing registers (regs_num*4).
102 * Since MIPS ABI allows usage of first 16 bytes of stack frame (this is
103 * preserved for input arguments of the functions, already stored in a0-a3),
104 * stack size can be further optimized by utilizing this space.
105 */
106 .macro CHECK_STACK_OFFSET regs_num, stack_offset
107 .if \stack_offset < \regs_num * 4 - 16
108 .error "Stack offset too small."
109 .endif
110 .endm
112 /*
113 * Saves set of registers on stack. Maximum number of registers that
114 * can be saved on stack is limitted to 14 (a0-a3, v0-v1 and s0-s7).
115 * Stack offset is number of bytes that are added to stack pointer (sp)
116 * before registers are pushed in order to provide enough space on stack
117 * (offset must be multiple of 4, and must be big enough, as described by
118 * CHECK_STACK_OFFSET macro). This macro is intended to be used in
119 * combination with RESTORE_REGS_FROM_STACK macro. Example:
120 * SAVE_REGS_ON_STACK 4, v0, v1, s0, s1
121 * RESTORE_REGS_FROM_STACK 4, v0, v1, s0, s1
122 */
123 .macro SAVE_REGS_ON_STACK stack_offset = 0, r1, \
124 r2 = 0, r3 = 0, r4 = 0, \
125 r5 = 0, r6 = 0, r7 = 0, \
126 r8 = 0, r9 = 0, r10 = 0, \
127 r11 = 0, r12 = 0, r13 = 0, \
128 r14 = 0
129 .if (\stack_offset < 0) || (\stack_offset - (\stack_offset / 4) * 4)
130 .error "Stack offset must be pozitive and multiple of 4."
131 .endif
132 .if \stack_offset != 0
133 addiu sp, sp, -\stack_offset
134 .endif
135 sw \r1, 0(sp)
136 .if \r2 != 0
137 sw \r2, 4(sp)
138 .endif
139 .if \r3 != 0
140 sw \r3, 8(sp)
141 .endif
142 .if \r4 != 0
143 sw \r4, 12(sp)
144 .endif
145 .if \r5 != 0
146 CHECK_STACK_OFFSET 5, \stack_offset
147 sw \r5, 16(sp)
148 .endif
149 .if \r6 != 0
150 CHECK_STACK_OFFSET 6, \stack_offset
151 sw \r6, 20(sp)
152 .endif
153 .if \r7 != 0
154 CHECK_STACK_OFFSET 7, \stack_offset
155 sw \r7, 24(sp)
156 .endif
157 .if \r8 != 0
158 CHECK_STACK_OFFSET 8, \stack_offset
159 sw \r8, 28(sp)
160 .endif
161 .if \r9 != 0
162 CHECK_STACK_OFFSET 9, \stack_offset
163 sw \r9, 32(sp)
164 .endif
165 .if \r10 != 0
166 CHECK_STACK_OFFSET 10, \stack_offset
167 sw \r10, 36(sp)
168 .endif
169 .if \r11 != 0
170 CHECK_STACK_OFFSET 11, \stack_offset
171 sw \r11, 40(sp)
172 .endif
173 .if \r12 != 0
174 CHECK_STACK_OFFSET 12, \stack_offset
175 sw \r12, 44(sp)
176 .endif
177 .if \r13 != 0
178 CHECK_STACK_OFFSET 13, \stack_offset
179 sw \r13, 48(sp)
180 .endif
181 .if \r14 != 0
182 CHECK_STACK_OFFSET 14, \stack_offset
183 sw \r14, 52(sp)
184 .endif
185 .endm
187 /*
188 * Restores set of registers from stack. Maximum number of registers that
189 * can be restored from stack is limitted to 14 (a0-a3, v0-v1 and s0-s7).
190 * Stack offset is number of bytes that are added to stack pointer (sp)
191 * after registers are restored (offset must be multiple of 4, and must
192 * be big enough, as described by CHECK_STACK_OFFSET macro). This macro is
193 * intended to be used in combination with RESTORE_REGS_FROM_STACK macro.
194 * Example:
195 * SAVE_REGS_ON_STACK 4, v0, v1, s0, s1
196 * RESTORE_REGS_FROM_STACK 4, v0, v1, s0, s1
197 */
198 .macro RESTORE_REGS_FROM_STACK stack_offset = 0, r1, \
199 r2 = 0, r3 = 0, r4 = 0, \
200 r5 = 0, r6 = 0, r7 = 0, \
201 r8 = 0, r9 = 0, r10 = 0, \
202 r11 = 0, r12 = 0, r13 = 0, \
203 r14 = 0
204 .if (\stack_offset < 0) || (\stack_offset - (\stack_offset/4)*4)
205 .error "Stack offset must be pozitive and multiple of 4."
206 .endif
207 lw \r1, 0(sp)
208 .if \r2 != 0
209 lw \r2, 4(sp)
210 .endif
211 .if \r3 != 0
212 lw \r3, 8(sp)
213 .endif
214 .if \r4 != 0
215 lw \r4, 12(sp)
216 .endif
217 .if \r5 != 0
218 CHECK_STACK_OFFSET 5, \stack_offset
219 lw \r5, 16(sp)
220 .endif
221 .if \r6 != 0
222 CHECK_STACK_OFFSET 6, \stack_offset
223 lw \r6, 20(sp)
224 .endif
225 .if \r7 != 0
226 CHECK_STACK_OFFSET 7, \stack_offset
227 lw \r7, 24(sp)
228 .endif
229 .if \r8 != 0
230 CHECK_STACK_OFFSET 8, \stack_offset
231 lw \r8, 28(sp)
232 .endif
233 .if \r9 != 0
234 CHECK_STACK_OFFSET 9, \stack_offset
235 lw \r9, 32(sp)
236 .endif
237 .if \r10 != 0
238 CHECK_STACK_OFFSET 10, \stack_offset
239 lw \r10, 36(sp)
240 .endif
241 .if \r11 != 0
242 CHECK_STACK_OFFSET 11, \stack_offset
243 lw \r11, 40(sp)
244 .endif
245 .if \r12 != 0
246 CHECK_STACK_OFFSET 12, \stack_offset
247 lw \r12, 44(sp)
248 .endif
249 .if \r13 != 0
250 CHECK_STACK_OFFSET 13, \stack_offset
251 lw \r13, 48(sp)
252 .endif
253 .if \r14 != 0
254 CHECK_STACK_OFFSET 14, \stack_offset
255 lw \r14, 52(sp)
256 .endif
257 .if \stack_offset != 0
258 addiu sp, sp, \stack_offset
259 .endif
260 .endm
262 /*
263 * Conversion of single r5g6b5 pixel (in_565) to single a8r8g8b8 pixel
264 * returned in (out_8888) register. Requires two temporary registers
265 * (scratch1 and scratch2).
266 */
267 .macro CONVERT_1x0565_TO_1x8888 in_565, \
268 out_8888, \
269 scratch1, scratch2
270 lui \out_8888, 0xff00
271 sll \scratch1, \in_565, 0x3
272 andi \scratch2, \scratch1, 0xff
273 ext \scratch1, \in_565, 0x2, 0x3
274 or \scratch1, \scratch2, \scratch1
275 or \out_8888, \out_8888, \scratch1
277 sll \scratch1, \in_565, 0x5
278 andi \scratch1, \scratch1, 0xfc00
279 srl \scratch2, \in_565, 0x1
280 andi \scratch2, \scratch2, 0x300
281 or \scratch2, \scratch1, \scratch2
282 or \out_8888, \out_8888, \scratch2
284 andi \scratch1, \in_565, 0xf800
285 srl \scratch2, \scratch1, 0x5
286 andi \scratch2, \scratch2, 0xff00
287 or \scratch1, \scratch1, \scratch2
288 sll \scratch1, \scratch1, 0x8
289 or \out_8888, \out_8888, \scratch1
290 .endm
292 /*
293 * Conversion of two r5g6b5 pixels (in1_565 and in2_565) to two a8r8g8b8 pixels
294 * returned in (out1_8888 and out2_8888) registers. Requires four scratch
295 * registers (scratch1 ... scratch4). It also requires maskG and maskB for
296 * color component extractions. These masks must have following values:
297 * li maskG, 0x07e007e0
298 * li maskB, 0x001F001F
299 */
300 .macro CONVERT_2x0565_TO_2x8888 in1_565, in2_565, \
301 out1_8888, out2_8888, \
302 maskG, maskB, \
303 scratch1, scratch2, scratch3, scratch4
304 sll \scratch1, \in1_565, 16
305 or \scratch1, \scratch1, \in2_565
306 lui \out2_8888, 0xff00
307 ori \out2_8888, \out2_8888, 0xff00
308 shrl.ph \scratch2, \scratch1, 11
309 and \scratch3, \scratch1, \maskG
310 shra.ph \scratch4, \scratch2, 2
311 shll.ph \scratch2, \scratch2, 3
312 shll.ph \scratch3, \scratch3, 5
313 or \scratch2, \scratch2, \scratch4
314 shrl.qb \scratch4, \scratch3, 6
315 or \out2_8888, \out2_8888, \scratch2
316 or \scratch3, \scratch3, \scratch4
317 and \scratch1, \scratch1, \maskB
318 shll.ph \scratch2, \scratch1, 3
319 shra.ph \scratch4, \scratch1, 2
320 or \scratch2, \scratch2, \scratch4
321 or \scratch3, \scratch2, \scratch3
322 precrq.ph.w \out1_8888, \out2_8888, \scratch3
323 precr_sra.ph.w \out2_8888, \scratch3, 0
324 .endm
326 /*
327 * Conversion of single a8r8g8b8 pixel (in_8888) to single r5g6b5 pixel
328 * returned in (out_565) register. Requires two temporary registers
329 * (scratch1 and scratch2).
330 */
331 .macro CONVERT_1x8888_TO_1x0565 in_8888, \
332 out_565, \
333 scratch1, scratch2
334 ext \out_565, \in_8888, 0x3, 0x5
335 srl \scratch1, \in_8888, 0x5
336 andi \scratch1, \scratch1, 0x07e0
337 srl \scratch2, \in_8888, 0x8
338 andi \scratch2, \scratch2, 0xf800
339 or \out_565, \out_565, \scratch1
340 or \out_565, \out_565, \scratch2
341 .endm
343 /*
344 * Conversion of two a8r8g8b8 pixels (in1_8888 and in2_8888) to two r5g6b5
345 * pixels returned in (out1_565 and out2_565) registers. Requires two temporary
346 * registers (scratch1 and scratch2). It also requires maskR, maskG and maskB
347 * for color component extractions. These masks must have following values:
348 * li maskR, 0xf800f800
349 * li maskG, 0x07e007e0
350 * li maskB, 0x001F001F
351 * Value of input register in2_8888 is lost.
352 */
353 .macro CONVERT_2x8888_TO_2x0565 in1_8888, in2_8888, \
354 out1_565, out2_565, \
355 maskR, maskG, maskB, \
356 scratch1, scratch2
357 precrq.ph.w \scratch1, \in2_8888, \in1_8888
358 precr_sra.ph.w \in2_8888, \in1_8888, 0
359 shll.ph \scratch1, \scratch1, 8
360 srl \in2_8888, \in2_8888, 3
361 and \scratch2, \in2_8888, \maskB
362 and \scratch1, \scratch1, \maskR
363 srl \in2_8888, \in2_8888, 2
364 and \out2_565, \in2_8888, \maskG
365 or \out2_565, \out2_565, \scratch2
366 or \out1_565, \out2_565, \scratch1
367 srl \out2_565, \out1_565, 16
368 .endm
370 /*
371 * Multiply pixel (a8) with single pixel (a8r8g8b8). It requires maskLSR needed
372 * for rounding process. maskLSR must have following value:
373 * li maskLSR, 0x00ff00ff
374 */
375 .macro MIPS_UN8x4_MUL_UN8 s_8888, \
376 m_8, \
377 d_8888, \
378 maskLSR, \
379 scratch1, scratch2, scratch3
380 replv.ph \m_8, \m_8 /* 0 | M | 0 | M */
381 muleu_s.ph.qbl \scratch1, \s_8888, \m_8 /* A*M | R*M */
382 muleu_s.ph.qbr \scratch2, \s_8888, \m_8 /* G*M | B*M */
383 shra_r.ph \scratch3, \scratch1, 8
384 shra_r.ph \d_8888, \scratch2, 8
385 and \scratch3, \scratch3, \maskLSR /* 0 |A*M| 0 |R*M */
386 and \d_8888, \d_8888, \maskLSR /* 0 |G*M| 0 |B*M */
387 addq.ph \scratch1, \scratch1, \scratch3 /* A*M+A*M | R*M+R*M */
388 addq.ph \scratch2, \scratch2, \d_8888 /* G*M+G*M | B*M+B*M */
389 shra_r.ph \scratch1, \scratch1, 8
390 shra_r.ph \scratch2, \scratch2, 8
391 precr.qb.ph \d_8888, \scratch1, \scratch2
392 .endm
394 /*
395 * Multiply two pixels (a8) with two pixels (a8r8g8b8). It requires maskLSR
396 * needed for rounding process. maskLSR must have following value:
397 * li maskLSR, 0x00ff00ff
398 */
399 .macro MIPS_2xUN8x4_MUL_2xUN8 s1_8888, \
400 s2_8888, \
401 m1_8, \
402 m2_8, \
403 d1_8888, \
404 d2_8888, \
405 maskLSR, \
406 scratch1, scratch2, scratch3, \
407 scratch4, scratch5, scratch6
408 replv.ph \m1_8, \m1_8 /* 0 | M1 | 0 | M1 */
409 replv.ph \m2_8, \m2_8 /* 0 | M2 | 0 | M2 */
410 muleu_s.ph.qbl \scratch1, \s1_8888, \m1_8 /* A1*M1 | R1*M1 */
411 muleu_s.ph.qbr \scratch2, \s1_8888, \m1_8 /* G1*M1 | B1*M1 */
412 muleu_s.ph.qbl \scratch3, \s2_8888, \m2_8 /* A2*M2 | R2*M2 */
413 muleu_s.ph.qbr \scratch4, \s2_8888, \m2_8 /* G2*M2 | B2*M2 */
414 shra_r.ph \scratch5, \scratch1, 8
415 shra_r.ph \d1_8888, \scratch2, 8
416 shra_r.ph \scratch6, \scratch3, 8
417 shra_r.ph \d2_8888, \scratch4, 8
418 and \scratch5, \scratch5, \maskLSR /* 0 |A1*M1| 0 |R1*M1 */
419 and \d1_8888, \d1_8888, \maskLSR /* 0 |G1*M1| 0 |B1*M1 */
420 and \scratch6, \scratch6, \maskLSR /* 0 |A2*M2| 0 |R2*M2 */
421 and \d2_8888, \d2_8888, \maskLSR /* 0 |G2*M2| 0 |B2*M2 */
422 addq.ph \scratch1, \scratch1, \scratch5
423 addq.ph \scratch2, \scratch2, \d1_8888
424 addq.ph \scratch3, \scratch3, \scratch6
425 addq.ph \scratch4, \scratch4, \d2_8888
426 shra_r.ph \scratch1, \scratch1, 8
427 shra_r.ph \scratch2, \scratch2, 8
428 shra_r.ph \scratch3, \scratch3, 8
429 shra_r.ph \scratch4, \scratch4, 8
430 precr.qb.ph \d1_8888, \scratch1, \scratch2
431 precr.qb.ph \d2_8888, \scratch3, \scratch4
432 .endm
434 /*
435 * Multiply pixel (a8r8g8b8) with single pixel (a8r8g8b8). It requires maskLSR
436 * needed for rounding process. maskLSR must have following value:
437 * li maskLSR, 0x00ff00ff
438 */
439 .macro MIPS_UN8x4_MUL_UN8x4 s_8888, \
440 m_8888, \
441 d_8888, \
442 maskLSR, \
443 scratch1, scratch2, scratch3, scratch4
444 preceu.ph.qbl \scratch1, \m_8888 /* 0 | A | 0 | R */
445 preceu.ph.qbr \scratch2, \m_8888 /* 0 | G | 0 | B */
446 muleu_s.ph.qbl \scratch3, \s_8888, \scratch1 /* A*A | R*R */
447 muleu_s.ph.qbr \scratch4, \s_8888, \scratch2 /* G*G | B*B */
448 shra_r.ph \scratch1, \scratch3, 8
449 shra_r.ph \scratch2, \scratch4, 8
450 and \scratch1, \scratch1, \maskLSR /* 0 |A*A| 0 |R*R */
451 and \scratch2, \scratch2, \maskLSR /* 0 |G*G| 0 |B*B */
452 addq.ph \scratch1, \scratch1, \scratch3
453 addq.ph \scratch2, \scratch2, \scratch4
454 shra_r.ph \scratch1, \scratch1, 8
455 shra_r.ph \scratch2, \scratch2, 8
456 precr.qb.ph \d_8888, \scratch1, \scratch2
457 .endm
459 /*
460 * Multiply two pixels (a8r8g8b8) with two pixels (a8r8g8b8). It requires
461 * maskLSR needed for rounding process. maskLSR must have following value:
462 * li maskLSR, 0x00ff00ff
463 */
465 .macro MIPS_2xUN8x4_MUL_2xUN8x4 s1_8888, \
466 s2_8888, \
467 m1_8888, \
468 m2_8888, \
469 d1_8888, \
470 d2_8888, \
471 maskLSR, \
472 scratch1, scratch2, scratch3, \
473 scratch4, scratch5, scratch6
474 preceu.ph.qbl \scratch1, \m1_8888 /* 0 | A | 0 | R */
475 preceu.ph.qbr \scratch2, \m1_8888 /* 0 | G | 0 | B */
476 preceu.ph.qbl \scratch3, \m2_8888 /* 0 | A | 0 | R */
477 preceu.ph.qbr \scratch4, \m2_8888 /* 0 | G | 0 | B */
478 muleu_s.ph.qbl \scratch5, \s1_8888, \scratch1 /* A*A | R*R */
479 muleu_s.ph.qbr \scratch6, \s1_8888, \scratch2 /* G*G | B*B */
480 muleu_s.ph.qbl \scratch1, \s2_8888, \scratch3 /* A*A | R*R */
481 muleu_s.ph.qbr \scratch2, \s2_8888, \scratch4 /* G*G | B*B */
482 shra_r.ph \scratch3, \scratch5, 8
483 shra_r.ph \scratch4, \scratch6, 8
484 shra_r.ph \d1_8888, \scratch1, 8
485 shra_r.ph \d2_8888, \scratch2, 8
486 and \scratch3, \scratch3, \maskLSR /* 0 |A*A| 0 |R*R */
487 and \scratch4, \scratch4, \maskLSR /* 0 |G*G| 0 |B*B */
488 and \d1_8888, \d1_8888, \maskLSR /* 0 |A*A| 0 |R*R */
489 and \d2_8888, \d2_8888, \maskLSR /* 0 |G*G| 0 |B*B */
490 addq.ph \scratch3, \scratch3, \scratch5
491 addq.ph \scratch4, \scratch4, \scratch6
492 addq.ph \d1_8888, \d1_8888, \scratch1
493 addq.ph \d2_8888, \d2_8888, \scratch2
494 shra_r.ph \scratch3, \scratch3, 8
495 shra_r.ph \scratch4, \scratch4, 8
496 shra_r.ph \scratch5, \d1_8888, 8
497 shra_r.ph \scratch6, \d2_8888, 8
498 precr.qb.ph \d1_8888, \scratch3, \scratch4
499 precr.qb.ph \d2_8888, \scratch5, \scratch6
500 .endm
502 /*
503 * OVER operation on single a8r8g8b8 source pixel (s_8888) and single a8r8g8b8
504 * destination pixel (d_8888) using a8 mask (m_8). It also requires maskLSR
505 * needed for rounding process. maskLSR must have following value:
506 * li maskLSR, 0x00ff00ff
507 */
508 .macro OVER_8888_8_8888 s_8888, \
509 m_8, \
510 d_8888, \
511 out_8888, \
512 maskLSR, \
513 scratch1, scratch2, scratch3, scratch4
514 MIPS_UN8x4_MUL_UN8 \s_8888, \m_8, \
515 \scratch1, \maskLSR, \
516 \scratch2, \scratch3, \scratch4
518 not \scratch2, \scratch1
519 srl \scratch2, \scratch2, 24
521 MIPS_UN8x4_MUL_UN8 \d_8888, \scratch2, \
522 \d_8888, \maskLSR, \
523 \scratch3, \scratch4, \out_8888
525 addu_s.qb \out_8888, \d_8888, \scratch1
526 .endm
528 /*
529 * OVER operation on two a8r8g8b8 source pixels (s1_8888 and s2_8888) and two
530 * a8r8g8b8 destination pixels (d1_8888 and d2_8888) using a8 masks (m1_8 and
531 * m2_8). It also requires maskLSR needed for rounding process. maskLSR must
532 * have following value:
533 * li maskLSR, 0x00ff00ff
534 */
535 .macro OVER_2x8888_2x8_2x8888 s1_8888, \
536 s2_8888, \
537 m1_8, \
538 m2_8, \
539 d1_8888, \
540 d2_8888, \
541 out1_8888, \
542 out2_8888, \
543 maskLSR, \
544 scratch1, scratch2, scratch3, \
545 scratch4, scratch5, scratch6
546 MIPS_2xUN8x4_MUL_2xUN8 \s1_8888, \s2_8888, \
547 \m1_8, \m2_8, \
548 \scratch1, \scratch2, \
549 \maskLSR, \
550 \scratch3, \scratch4, \out1_8888, \
551 \out2_8888, \scratch5, \scratch6
553 not \scratch3, \scratch1
554 srl \scratch3, \scratch3, 24
555 not \scratch4, \scratch2
556 srl \scratch4, \scratch4, 24
558 MIPS_2xUN8x4_MUL_2xUN8 \d1_8888, \d2_8888, \
559 \scratch3, \scratch4, \
560 \d1_8888, \d2_8888, \
561 \maskLSR, \
562 \scratch5, \scratch6, \out1_8888, \
563 \out2_8888, \scratch3, \scratch4
565 addu_s.qb \out1_8888, \d1_8888, \scratch1
566 addu_s.qb \out2_8888, \d2_8888, \scratch2
567 .endm
569 /*
570 * OVER operation on single a8r8g8b8 source pixel (s_8888) and single a8r8g8b8
571 * destination pixel (d_8888). It also requires maskLSR needed for rounding
572 * process. maskLSR must have following value:
573 * li maskLSR, 0x00ff00ff
574 */
575 .macro OVER_8888_8888 s_8888, \
576 d_8888, \
577 out_8888, \
578 maskLSR, \
579 scratch1, scratch2, scratch3, scratch4
580 not \scratch1, \s_8888
581 srl \scratch1, \scratch1, 24
583 MIPS_UN8x4_MUL_UN8 \d_8888, \scratch1, \
584 \out_8888, \maskLSR, \
585 \scratch2, \scratch3, \scratch4
587 addu_s.qb \out_8888, \out_8888, \s_8888
588 .endm
590 .macro MIPS_UN8x4_MUL_UN8_ADD_UN8x4 s_8888, \
591 m_8, \
592 d_8888, \
593 out_8888, \
594 maskLSR, \
595 scratch1, scratch2, scratch3
596 MIPS_UN8x4_MUL_UN8 \s_8888, \m_8, \
597 \out_8888, \maskLSR, \
598 \scratch1, \scratch2, \scratch3
600 addu_s.qb \out_8888, \out_8888, \d_8888
601 .endm
603 .macro MIPS_2xUN8x4_MUL_2xUN8_ADD_2xUN8x4 s1_8888, \
604 s2_8888, \
605 m1_8, \
606 m2_8, \
607 d1_8888, \
608 d2_8888, \
609 out1_8888, \
610 out2_8888, \
611 maskLSR, \
612 scratch1, scratch2, scratch3, \
613 scratch4, scratch5, scratch6
614 MIPS_2xUN8x4_MUL_2xUN8 \s1_8888, \s2_8888, \
615 \m1_8, \m2_8, \
616 \out1_8888, \out2_8888, \
617 \maskLSR, \
618 \scratch1, \scratch2, \scratch3, \
619 \scratch4, \scratch5, \scratch6
621 addu_s.qb \out1_8888, \out1_8888, \d1_8888
622 addu_s.qb \out2_8888, \out2_8888, \d2_8888
623 .endm
625 .macro BILINEAR_INTERPOLATE_SINGLE_PIXEL tl, tr, bl, br, \
626 scratch1, scratch2, \
627 alpha, red, green, blue \
628 wt1, wt2, wb1, wb2
629 andi \scratch1, \tl, 0xff
630 andi \scratch2, \tr, 0xff
631 andi \alpha, \bl, 0xff
632 andi \red, \br, 0xff
634 multu $ac0, \wt1, \scratch1
635 maddu $ac0, \wt2, \scratch2
636 maddu $ac0, \wb1, \alpha
637 maddu $ac0, \wb2, \red
639 ext \scratch1, \tl, 8, 8
640 ext \scratch2, \tr, 8, 8
641 ext \alpha, \bl, 8, 8
642 ext \red, \br, 8, 8
644 multu $ac1, \wt1, \scratch1
645 maddu $ac1, \wt2, \scratch2
646 maddu $ac1, \wb1, \alpha
647 maddu $ac1, \wb2, \red
649 ext \scratch1, \tl, 16, 8
650 ext \scratch2, \tr, 16, 8
651 ext \alpha, \bl, 16, 8
652 ext \red, \br, 16, 8
654 mflo \blue, $ac0
656 multu $ac2, \wt1, \scratch1
657 maddu $ac2, \wt2, \scratch2
658 maddu $ac2, \wb1, \alpha
659 maddu $ac2, \wb2, \red
661 ext \scratch1, \tl, 24, 8
662 ext \scratch2, \tr, 24, 8
663 ext \alpha, \bl, 24, 8
664 ext \red, \br, 24, 8
666 mflo \green, $ac1
668 multu $ac3, \wt1, \scratch1
669 maddu $ac3, \wt2, \scratch2
670 maddu $ac3, \wb1, \alpha
671 maddu $ac3, \wb2, \red
673 mflo \red, $ac2
674 mflo \alpha, $ac3
676 precr.qb.ph \alpha, \alpha, \red
677 precr.qb.ph \scratch1, \green, \blue
678 precrq.qb.ph \tl, \alpha, \scratch1
679 .endm
681 #endif //PIXMAN_MIPS_DSPR2_ASM_H
