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Merge branch 'lp-offset-twoside'
[mesa.git] / src / gallium / auxiliary / translate / translate_sse.c
1 /*
2 * Copyright 2003 Tungsten Graphics, inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Keith Whitwell <keithw@tungstengraphics.com>
26 */
27
28
29 #include "pipe/p_config.h"
30 #include "pipe/p_compiler.h"
31 #include "util/u_memory.h"
32 #include "util/u_math.h"
33 #include "util/u_format.h"
34
35 #include "translate.h"
36
37
38 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
39
40 #include "rtasm/rtasm_cpu.h"
41 #include "rtasm/rtasm_x86sse.h"
42
43
44 #define X 0
45 #define Y 1
46 #define Z 2
47 #define W 3
48
49
50 struct translate_buffer {
51 const void *base_ptr;
52 uintptr_t stride;
53 unsigned max_index;
54 };
55
56 struct translate_buffer_varient {
57 unsigned buffer_index;
58 unsigned instance_divisor;
59 void *ptr; /* updated either per vertex or per instance */
60 };
61
62
63 #define ELEMENT_BUFFER_INSTANCE_ID 1001
64
65 #define NUM_CONSTS 7
66
67 enum
68 {
69 CONST_IDENTITY,
70 CONST_INV_127,
71 CONST_INV_255,
72 CONST_INV_32767,
73 CONST_INV_65535,
74 CONST_INV_2147483647,
75 CONST_255
76 };
77
78 #define C(v) {(float)(v), (float)(v), (float)(v), (float)(v)}
79 static float consts[NUM_CONSTS][4] = {
80 {0, 0, 0, 1},
81 C(1.0 / 127.0),
82 C(1.0 / 255.0),
83 C(1.0 / 32767.0),
84 C(1.0 / 65535.0),
85 C(1.0 / 2147483647.0),
86 C(255.0)
87 };
88 #undef C
89
90 struct translate_sse {
91 struct translate translate;
92
93 struct x86_function linear_func;
94 struct x86_function elt_func;
95 struct x86_function elt16_func;
96 struct x86_function elt8_func;
97 struct x86_function *func;
98
99 PIPE_ALIGN_VAR(16) float consts[NUM_CONSTS][4];
100 int8_t reg_to_const[16];
101 int8_t const_to_reg[NUM_CONSTS];
102
103 struct translate_buffer buffer[PIPE_MAX_ATTRIBS];
104 unsigned nr_buffers;
105
106 /* Multiple buffer varients can map to a single buffer. */
107 struct translate_buffer_varient buffer_varient[PIPE_MAX_ATTRIBS];
108 unsigned nr_buffer_varients;
109
110 /* Multiple elements can map to a single buffer varient. */
111 unsigned element_to_buffer_varient[PIPE_MAX_ATTRIBS];
112
113 boolean use_instancing;
114 unsigned instance_id;
115
116 /* these are actually known values, but putting them in a struct
117 * like this is helpful to keep them in sync across the file.
118 */
119 struct x86_reg tmp_EAX;
120 struct x86_reg tmp2_EDX;
121 struct x86_reg src_ECX;
122 struct x86_reg idx_ESI; /* either start+i or &elt[i] */
123 struct x86_reg machine_EDI;
124 struct x86_reg outbuf_EBX;
125 struct x86_reg count_EBP; /* decrements to zero */
126 };
127
128 static int get_offset( const void *a, const void *b )
129 {
130 return (const char *)b - (const char *)a;
131 }
132
133 static struct x86_reg get_const( struct translate_sse *p, unsigned id)
134 {
135 struct x86_reg reg;
136 unsigned i;
137
138 if(p->const_to_reg[id] >= 0)
139 return x86_make_reg(file_XMM, p->const_to_reg[id]);
140
141 for(i = 2; i < 8; ++i)
142 {
143 if(p->reg_to_const[i] < 0)
144 break;
145 }
146
147 /* TODO: be smarter here */
148 if(i == 8)
149 --i;
150
151 reg = x86_make_reg(file_XMM, i);
152
153 if(p->reg_to_const[i] >= 0)
154 p->const_to_reg[p->reg_to_const[i]] = -1;
155
156 p->reg_to_const[i] = id;
157 p->const_to_reg[id] = i;
158
159 /* TODO: this should happen outside the loop, if possible */
160 sse_movaps(p->func, reg,
161 x86_make_disp(p->machine_EDI,
162 get_offset(p, &p->consts[id][0])));
163
164 return reg;
165 }
166
167 /* load the data in a SSE2 register, padding with zeros */
168 static boolean emit_load_sse2( struct translate_sse *p,
169 struct x86_reg data,
170 struct x86_reg src,
171 unsigned size)
172 {
173 struct x86_reg tmpXMM = x86_make_reg(file_XMM, 1);
174 struct x86_reg tmp = p->tmp_EAX;
175 switch(size)
176 {
177 case 1:
178 x86_movzx8(p->func, tmp, src);
179 sse2_movd(p->func, data, tmp);
180 break;
181 case 2:
182 x86_movzx16(p->func, tmp, src);
183 sse2_movd(p->func, data, tmp);
184 break;
185 case 3:
186 x86_movzx8(p->func, tmp, x86_make_disp(src, 2));
187 x86_shl_imm(p->func, tmp, 16);
188 x86_mov16(p->func, tmp, src);
189 sse2_movd(p->func, data, tmp);
190 break;
191 case 4:
192 sse2_movd(p->func, data, src);
193 break;
194 case 6:
195 sse2_movd(p->func, data, src);
196 x86_movzx16(p->func, tmp, x86_make_disp(src, 4));
197 sse2_movd(p->func, tmpXMM, tmp);
198 sse2_punpckldq(p->func, data, tmpXMM);
199 break;
200 case 8:
201 sse2_movq(p->func, data, src);
202 break;
203 case 12:
204 sse2_movq(p->func, data, src);
205 sse2_movd(p->func, tmpXMM, x86_make_disp(src, 8));
206 sse2_punpcklqdq(p->func, data, tmpXMM);
207 break;
208 case 16:
209 sse2_movdqu(p->func, data, src);
210 break;
211 default:
212 return FALSE;
213 }
214 return TRUE;
215 }
216
217 /* this value can be passed for the out_chans argument */
218 #define CHANNELS_0001 5
219
220 /* this function will load #chans float values, and will
221 * pad the register with zeroes at least up to out_chans.
222 *
223 * If out_chans is set to CHANNELS_0001, then the fourth
224 * value will be padded with 1. Only pass this value if
225 * chans < 4 or results are undefined.
226 */
227 static void emit_load_float32( struct translate_sse *p,
228 struct x86_reg data,
229 struct x86_reg arg0,
230 unsigned out_chans,
231 unsigned chans)
232 {
233 switch(chans)
234 {
235 case 1:
236 /* a 0 0 0
237 * a 0 0 1
238 */
239 sse_movss(p->func, data, arg0);
240 if(out_chans == CHANNELS_0001)
241 sse_orps(p->func, data, get_const(p, CONST_IDENTITY) );
242 break;
243 case 2:
244 /* 0 0 0 1
245 * a b 0 1
246 */
247 if(out_chans == CHANNELS_0001)
248 sse_shufps(p->func, data, get_const(p, CONST_IDENTITY), SHUF(X, Y, Z, W) );
249 else if(out_chans > 2)
250 sse_movlhps(p->func, data, get_const(p, CONST_IDENTITY) );
251 sse_movlps(p->func, data, arg0);
252 break;
253 case 3:
254 /* Have to jump through some hoops:
255 *
256 * c 0 0 0
257 * c 0 0 1 if out_chans == CHANNELS_0001
258 * 0 0 c 0/1
259 * a b c 0/1
260 */
261 sse_movss(p->func, data, x86_make_disp(arg0, 8));
262 if(out_chans == CHANNELS_0001)
263 sse_shufps(p->func, data, get_const(p, CONST_IDENTITY), SHUF(X,Y,Z,W) );
264 sse_shufps(p->func, data, data, SHUF(Y,Z,X,W) );
265 sse_movlps(p->func, data, arg0);
266 break;
267 case 4:
268 sse_movups(p->func, data, arg0);
269 break;
270 }
271 }
272
273 /* this function behaves like emit_load_float32, but loads
274 64-bit floating point numbers, converting them to 32-bit
275 ones */
276 static void emit_load_float64to32( struct translate_sse *p,
277 struct x86_reg data,
278 struct x86_reg arg0,
279 unsigned out_chans,
280 unsigned chans)
281 {
282 struct x86_reg tmpXMM = x86_make_reg(file_XMM, 1);
283 switch(chans)
284 {
285 case 1:
286 sse2_movsd(p->func, data, arg0);
287 if(out_chans > 1)
288 sse2_cvtpd2ps(p->func, data, data);
289 else
290 sse2_cvtsd2ss(p->func, data, data);
291 if(out_chans == CHANNELS_0001)
292 sse_shufps(p->func, data, get_const(p, CONST_IDENTITY), SHUF(X, Y, Z, W) );
293 break;
294 case 2:
295 sse2_movupd(p->func, data, arg0);
296 sse2_cvtpd2ps(p->func, data, data);
297 if(out_chans == CHANNELS_0001)
298 sse_shufps(p->func, data, get_const(p, CONST_IDENTITY), SHUF(X, Y, Z, W) );
299 else if(out_chans > 2)
300 sse_movlhps(p->func, data, get_const(p, CONST_IDENTITY) );
301 break;
302 case 3:
303 sse2_movupd(p->func, data, arg0);
304 sse2_cvtpd2ps(p->func, data, data);
305 sse2_movsd(p->func, tmpXMM, x86_make_disp(arg0, 16));
306 if(out_chans > 3)
307 sse2_cvtpd2ps(p->func, tmpXMM, tmpXMM);
308 else
309 sse2_cvtsd2ss(p->func, tmpXMM, tmpXMM);
310 sse_movlhps(p->func, data, tmpXMM);
311 if(out_chans == CHANNELS_0001)
312 sse_orps(p->func, data, get_const(p, CONST_IDENTITY) );
313 break;
314 case 4:
315 sse2_movupd(p->func, data, arg0);
316 sse2_cvtpd2ps(p->func, data, data);
317 sse2_movupd(p->func, tmpXMM, x86_make_disp(arg0, 16));
318 sse2_cvtpd2ps(p->func, tmpXMM, tmpXMM);
319 sse_movlhps(p->func, data, tmpXMM);
320 break;
321 }
322 }
323
324 static void emit_mov64(struct translate_sse *p, struct x86_reg dst_gpr, struct x86_reg dst_xmm, struct x86_reg src_gpr, struct x86_reg src_xmm)
325 {
326 if(x86_target(p->func) != X86_32)
327 x64_mov64(p->func, dst_gpr, src_gpr);
328 else
329 {
330 /* TODO: when/on which CPUs is SSE2 actually better than SSE? */
331 if(x86_target_caps(p->func) & X86_SSE2)
332 sse2_movq(p->func, dst_xmm, src_xmm);
333 else
334 sse_movlps(p->func, dst_xmm, src_xmm);
335 }
336 }
337
338 static void emit_load64(struct translate_sse *p, struct x86_reg dst_gpr, struct x86_reg dst_xmm, struct x86_reg src)
339 {
340 emit_mov64(p, dst_gpr, dst_xmm, src, src);
341 }
342
343 static void emit_store64(struct translate_sse *p, struct x86_reg dst, struct x86_reg src_gpr, struct x86_reg src_xmm)
344 {
345 emit_mov64(p, dst, dst, src_gpr, src_xmm);
346 }
347
348 static void emit_mov128(struct translate_sse *p, struct x86_reg dst, struct x86_reg src)
349 {
350 if(x86_target_caps(p->func) & X86_SSE2)
351 sse2_movdqu(p->func, dst, src);
352 else
353 sse_movups(p->func, dst, src);
354 }
355
356 /* TODO: this uses unaligned accesses liberally, which is great on Nehalem,
357 * but may or may not be good on older processors
358 * TODO: may perhaps want to use non-temporal stores here if possible
359 */
360 static void emit_memcpy(struct translate_sse *p, struct x86_reg dst, struct x86_reg src, unsigned size)
361 {
362 struct x86_reg dataXMM = x86_make_reg(file_XMM, 0);
363 struct x86_reg dataXMM2 = x86_make_reg(file_XMM, 1);
364 struct x86_reg dataGPR = p->tmp_EAX;
365 struct x86_reg dataGPR2 = p->tmp2_EDX;
366
367 if(size < 8)
368 {
369 switch (size)
370 {
371 case 1:
372 x86_mov8(p->func, dataGPR, src);
373 x86_mov8(p->func, dst, dataGPR);
374 break;
375 case 2:
376 x86_mov16(p->func, dataGPR, src);
377 x86_mov16(p->func, dst, dataGPR);
378 break;
379 case 3:
380 x86_mov16(p->func, dataGPR, src);
381 x86_mov8(p->func, dataGPR2, x86_make_disp(src, 2));
382 x86_mov16(p->func, dst, dataGPR);
383 x86_mov8(p->func, x86_make_disp(dst, 2), dataGPR2);
384 break;
385 case 4:
386 x86_mov(p->func, dataGPR, src);
387 x86_mov(p->func, dst, dataGPR);
388 break;
389 case 6:
390 x86_mov(p->func, dataGPR, src);
391 x86_mov16(p->func, dataGPR2, x86_make_disp(src, 4));
392 x86_mov(p->func, dst, dataGPR);
393 x86_mov16(p->func, x86_make_disp(dst, 4), dataGPR2);
394 break;
395 }
396 }
397 else if(!(x86_target_caps(p->func) & X86_SSE))
398 {
399 unsigned i = 0;
400 assert((size & 3) == 0);
401 for(i = 0; i < size; i += 4)
402 {
403 x86_mov(p->func, dataGPR, x86_make_disp(src, i));
404 x86_mov(p->func, x86_make_disp(dst, i), dataGPR);
405 }
406 }
407 else
408 {
409 switch(size)
410 {
411 case 8:
412 emit_load64(p, dataGPR, dataXMM, src);
413 emit_store64(p, dst, dataGPR, dataXMM);
414 break;
415 case 12:
416 emit_load64(p, dataGPR2, dataXMM, src);
417 x86_mov(p->func, dataGPR, x86_make_disp(src, 8));
418 emit_store64(p, dst, dataGPR2, dataXMM);
419 x86_mov(p->func, x86_make_disp(dst, 8), dataGPR);
420 break;
421 case 16:
422 emit_mov128(p, dataXMM, src);
423 emit_mov128(p, dst, dataXMM);
424 break;
425 case 24:
426 emit_mov128(p, dataXMM, src);
427 emit_load64(p, dataGPR, dataXMM2, x86_make_disp(src, 16));
428 emit_mov128(p, dst, dataXMM);
429 emit_store64(p, x86_make_disp(dst, 16), dataGPR, dataXMM2);
430 break;
431 case 32:
432 emit_mov128(p, dataXMM, src);
433 emit_mov128(p, dataXMM2, x86_make_disp(src, 16));
434 emit_mov128(p, dst, dataXMM);
435 emit_mov128(p, x86_make_disp(dst, 16), dataXMM2);
436 break;
437 default:
438 assert(0);
439 }
440 }
441 }
442
443 static boolean translate_attr_convert( struct translate_sse *p,
444 const struct translate_element *a,
445 struct x86_reg src,
446 struct x86_reg dst)
447
448 {
449 const struct util_format_description* input_desc = util_format_description(a->input_format);
450 const struct util_format_description* output_desc = util_format_description(a->output_format);
451 unsigned i;
452 boolean id_swizzle = TRUE;
453 unsigned swizzle[4] = {UTIL_FORMAT_SWIZZLE_NONE, UTIL_FORMAT_SWIZZLE_NONE, UTIL_FORMAT_SWIZZLE_NONE, UTIL_FORMAT_SWIZZLE_NONE};
454 unsigned needed_chans = 0;
455 unsigned imms[2] = {0, 0x3f800000};
456
457 if(a->output_format == PIPE_FORMAT_NONE || a->input_format == PIPE_FORMAT_NONE)
458 return FALSE;
459
460 if(input_desc->channel[0].size & 7)
461 return FALSE;
462
463 if(input_desc->colorspace != output_desc->colorspace)
464 return FALSE;
465
466 for(i = 1; i < input_desc->nr_channels; ++i)
467 {
468 if(memcmp(&input_desc->channel[i], &input_desc->channel[0], sizeof(input_desc->channel[0])))
469 return FALSE;
470 }
471
472 for(i = 1; i < output_desc->nr_channels; ++i)
473 {
474 if(memcmp(&output_desc->channel[i], &output_desc->channel[0], sizeof(output_desc->channel[0])))
475 return FALSE;
476 }
477
478 for(i = 0; i < output_desc->nr_channels; ++i)
479 {
480 if(output_desc->swizzle[i] < 4)
481 swizzle[output_desc->swizzle[i]] = input_desc->swizzle[i];
482 }
483
484 if((x86_target_caps(p->func) & X86_SSE) && (0
485 || a->output_format == PIPE_FORMAT_R32_FLOAT
486 || a->output_format == PIPE_FORMAT_R32G32_FLOAT
487 || a->output_format == PIPE_FORMAT_R32G32B32_FLOAT
488 || a->output_format == PIPE_FORMAT_R32G32B32A32_FLOAT))
489 {
490 struct x86_reg dataXMM = x86_make_reg(file_XMM, 0);
491
492 for(i = 0; i < output_desc->nr_channels; ++i)
493 {
494 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_0 && i >= input_desc->nr_channels)
495 swizzle[i] = i;
496 }
497
498 for(i = 0; i < output_desc->nr_channels; ++i)
499 {
500 if(swizzle[i] < 4)
501 needed_chans = MAX2(needed_chans, swizzle[i] + 1);
502 if(swizzle[i] < UTIL_FORMAT_SWIZZLE_0 && swizzle[i] != i)
503 id_swizzle = FALSE;
504 }
505
506 if(needed_chans > 0)
507 {
508 switch(input_desc->channel[0].type)
509 {
510 case UTIL_FORMAT_TYPE_UNSIGNED:
511 if(!(x86_target_caps(p->func) & X86_SSE2))
512 return FALSE;
513 emit_load_sse2(p, dataXMM, src, input_desc->channel[0].size * input_desc->nr_channels >> 3);
514
515 /* TODO: add support for SSE4.1 pmovzx */
516 switch(input_desc->channel[0].size)
517 {
518 case 8:
519 /* TODO: this may be inefficient due to get_identity() being used both as a float and integer register */
520 sse2_punpcklbw(p->func, dataXMM, get_const(p, CONST_IDENTITY));
521 sse2_punpcklbw(p->func, dataXMM, get_const(p, CONST_IDENTITY));
522 break;
523 case 16:
524 sse2_punpcklwd(p->func, dataXMM, get_const(p, CONST_IDENTITY));
525 break;
526 case 32: /* we lose precision here */
527 sse2_psrld_imm(p->func, dataXMM, 1);
528 break;
529 default:
530 return FALSE;
531 }
532 sse2_cvtdq2ps(p->func, dataXMM, dataXMM);
533 if(input_desc->channel[0].normalized)
534 {
535 struct x86_reg factor;
536 switch(input_desc->channel[0].size)
537 {
538 case 8:
539 factor = get_const(p, CONST_INV_255);
540 break;
541 case 16:
542 factor = get_const(p, CONST_INV_65535);
543 break;
544 case 32:
545 factor = get_const(p, CONST_INV_2147483647);
546 break;
547 default:
548 assert(0);
549 factor.disp = 0;
550 factor.file = 0;
551 factor.idx = 0;
552 factor.mod = 0;
553 break;
554 }
555 sse_mulps(p->func, dataXMM, factor);
556 }
557 else if(input_desc->channel[0].size == 32)
558 sse_addps(p->func, dataXMM, dataXMM); /* compensate for the bit we threw away to fit u32 into s32 */
559 break;
560 case UTIL_FORMAT_TYPE_SIGNED:
561 if(!(x86_target_caps(p->func) & X86_SSE2))
562 return FALSE;
563 emit_load_sse2(p, dataXMM, src, input_desc->channel[0].size * input_desc->nr_channels >> 3);
564
565 /* TODO: add support for SSE4.1 pmovsx */
566 switch(input_desc->channel[0].size)
567 {
568 case 8:
569 sse2_punpcklbw(p->func, dataXMM, dataXMM);
570 sse2_punpcklbw(p->func, dataXMM, dataXMM);
571 sse2_psrad_imm(p->func, dataXMM, 24);
572 break;
573 case 16:
574 sse2_punpcklwd(p->func, dataXMM, dataXMM);
575 sse2_psrad_imm(p->func, dataXMM, 16);
576 break;
577 case 32: /* we lose precision here */
578 break;
579 default:
580 return FALSE;
581 }
582 sse2_cvtdq2ps(p->func, dataXMM, dataXMM);
583 if(input_desc->channel[0].normalized)
584 {
585 struct x86_reg factor;
586 switch(input_desc->channel[0].size)
587 {
588 case 8:
589 factor = get_const(p, CONST_INV_127);
590 break;
591 case 16:
592 factor = get_const(p, CONST_INV_32767);
593 break;
594 case 32:
595 factor = get_const(p, CONST_INV_2147483647);
596 break;
597 default:
598 assert(0);
599 factor.disp = 0;
600 factor.file = 0;
601 factor.idx = 0;
602 factor.mod = 0;
603 break;
604 }
605 sse_mulps(p->func, dataXMM, factor);
606 }
607 break;
608
609 break;
610 case UTIL_FORMAT_TYPE_FLOAT:
611 if(input_desc->channel[0].size != 32 && input_desc->channel[0].size != 64)
612 return FALSE;
613 if(swizzle[3] == UTIL_FORMAT_SWIZZLE_1 && input_desc->nr_channels <= 3)
614 {
615 swizzle[3] = UTIL_FORMAT_SWIZZLE_W;
616 needed_chans = CHANNELS_0001;
617 }
618 switch(input_desc->channel[0].size)
619 {
620 case 32:
621 emit_load_float32(p, dataXMM, src, needed_chans, input_desc->nr_channels);
622 break;
623 case 64: /* we lose precision here */
624 if(!(x86_target_caps(p->func) & X86_SSE2))
625 return FALSE;
626 emit_load_float64to32(p, dataXMM, src, needed_chans, input_desc->nr_channels);
627 break;
628 default:
629 return FALSE;
630 }
631 break;
632 default:
633 return FALSE;
634 }
635
636 if(!id_swizzle)
637 sse_shufps(p->func, dataXMM, dataXMM, SHUF(swizzle[0], swizzle[1], swizzle[2], swizzle[3]) );
638 }
639
640 if(output_desc->nr_channels >= 4
641 && swizzle[0] < UTIL_FORMAT_SWIZZLE_0
642 && swizzle[1] < UTIL_FORMAT_SWIZZLE_0
643 && swizzle[2] < UTIL_FORMAT_SWIZZLE_0
644 && swizzle[3] < UTIL_FORMAT_SWIZZLE_0
645 )
646 sse_movups(p->func, dst, dataXMM);
647 else
648 {
649 if(output_desc->nr_channels >= 2
650 && swizzle[0] < UTIL_FORMAT_SWIZZLE_0
651 && swizzle[1] < UTIL_FORMAT_SWIZZLE_0)
652 sse_movlps(p->func, dst, dataXMM);
653 else
654 {
655 if(swizzle[0] < UTIL_FORMAT_SWIZZLE_0)
656 sse_movss(p->func, dst, dataXMM);
657 else
658 x86_mov_imm(p->func, dst, imms[swizzle[0] - UTIL_FORMAT_SWIZZLE_0]);
659
660 if(output_desc->nr_channels >= 2)
661 {
662 if(swizzle[1] < UTIL_FORMAT_SWIZZLE_0)
663 {
664 sse_shufps(p->func, dataXMM, dataXMM, SHUF(1, 1, 2, 3));
665 sse_movss(p->func, x86_make_disp(dst, 4), dataXMM);
666 }
667 else
668 x86_mov_imm(p->func, x86_make_disp(dst, 4), imms[swizzle[1] - UTIL_FORMAT_SWIZZLE_0]);
669 }
670 }
671
672 if(output_desc->nr_channels >= 3)
673 {
674 if(output_desc->nr_channels >= 4
675 && swizzle[2] < UTIL_FORMAT_SWIZZLE_0
676 && swizzle[3] < UTIL_FORMAT_SWIZZLE_0)
677 sse_movhps(p->func, x86_make_disp(dst, 8), dataXMM);
678 else
679 {
680 if(swizzle[2] < UTIL_FORMAT_SWIZZLE_0)
681 {
682 sse_shufps(p->func, dataXMM, dataXMM, SHUF(2, 2, 2, 3));
683 sse_movss(p->func, x86_make_disp(dst, 8), dataXMM);
684 }
685 else
686 x86_mov_imm(p->func, x86_make_disp(dst, 8), imms[swizzle[2] - UTIL_FORMAT_SWIZZLE_0]);
687
688 if(output_desc->nr_channels >= 4)
689 {
690 if(swizzle[3] < UTIL_FORMAT_SWIZZLE_0)
691 {
692 sse_shufps(p->func, dataXMM, dataXMM, SHUF(3, 3, 3, 3));
693 sse_movss(p->func, x86_make_disp(dst, 12), dataXMM);
694 }
695 else
696 x86_mov_imm(p->func, x86_make_disp(dst, 12), imms[swizzle[3] - UTIL_FORMAT_SWIZZLE_0]);
697 }
698 }
699 }
700 }
701 return TRUE;
702 }
703 else if((x86_target_caps(p->func) & X86_SSE2) && input_desc->channel[0].size == 8 && output_desc->channel[0].size == 16
704 && output_desc->channel[0].normalized == input_desc->channel[0].normalized
705 && (0
706 || (input_desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED && output_desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED)
707 || (input_desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED && output_desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED)
708 || (input_desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED && output_desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED)
709 ))
710 {
711 struct x86_reg dataXMM = x86_make_reg(file_XMM, 0);
712 struct x86_reg tmpXMM = x86_make_reg(file_XMM, 1);
713 struct x86_reg tmp = p->tmp_EAX;
714 unsigned imms[2] = {0, 1};
715
716 for(i = 0; i < output_desc->nr_channels; ++i)
717 {
718 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_0 && i >= input_desc->nr_channels)
719 swizzle[i] = i;
720 }
721
722 for(i = 0; i < output_desc->nr_channels; ++i)
723 {
724 if(swizzle[i] < 4)
725 needed_chans = MAX2(needed_chans, swizzle[i] + 1);
726 if(swizzle[i] < UTIL_FORMAT_SWIZZLE_0 && swizzle[i] != i)
727 id_swizzle = FALSE;
728 }
729
730 if(needed_chans > 0)
731 {
732 emit_load_sse2(p, dataXMM, src, input_desc->channel[0].size * input_desc->nr_channels >> 3);
733
734 switch(input_desc->channel[0].type)
735 {
736 case UTIL_FORMAT_TYPE_UNSIGNED:
737 if(input_desc->channel[0].normalized)
738 {
739 sse2_punpcklbw(p->func, dataXMM, dataXMM);
740 if(output_desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED)
741 sse2_psrlw_imm(p->func, dataXMM, 1);
742 }
743 else
744 sse2_punpcklbw(p->func, dataXMM, get_const(p, CONST_IDENTITY));
745 break;
746 case UTIL_FORMAT_TYPE_SIGNED:
747 if(input_desc->channel[0].normalized)
748 {
749 sse2_movq(p->func, tmpXMM, get_const(p, CONST_IDENTITY));
750 sse2_punpcklbw(p->func, tmpXMM, dataXMM);
751 sse2_psllw_imm(p->func, dataXMM, 9);
752 sse2_psrlw_imm(p->func, dataXMM, 8);
753 sse2_por(p->func, tmpXMM, dataXMM);
754 sse2_psrlw_imm(p->func, dataXMM, 7);
755 sse2_por(p->func, tmpXMM, dataXMM);
756 {
757 struct x86_reg t = dataXMM;
758 dataXMM = tmpXMM;
759 tmpXMM = t;
760 }
761 }
762 else
763 {
764 sse2_punpcklbw(p->func, dataXMM, dataXMM);
765 sse2_psraw_imm(p->func, dataXMM, 8);
766 }
767 break;
768 default:
769 assert(0);
770 }
771
772 if(output_desc->channel[0].normalized)
773 imms[1] = (output_desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) ? 0xffff : 0x7ffff;
774
775 if(!id_swizzle)
776 sse2_pshuflw(p->func, dataXMM, dataXMM, (swizzle[0] & 3) | ((swizzle[1] & 3) << 2) | ((swizzle[2] & 3) << 4) | ((swizzle[3] & 3) << 6));
777 }
778
779 if(output_desc->nr_channels >= 4
780 && swizzle[0] < UTIL_FORMAT_SWIZZLE_0
781 && swizzle[1] < UTIL_FORMAT_SWIZZLE_0
782 && swizzle[2] < UTIL_FORMAT_SWIZZLE_0
783 && swizzle[3] < UTIL_FORMAT_SWIZZLE_0
784 )
785 sse2_movq(p->func, dst, dataXMM);
786 else
787 {
788 if(swizzle[0] < UTIL_FORMAT_SWIZZLE_0)
789 {
790 if(output_desc->nr_channels >= 2 && swizzle[1] < UTIL_FORMAT_SWIZZLE_0)
791 sse2_movd(p->func, dst, dataXMM);
792 else
793 {
794 sse2_movd(p->func, tmp, dataXMM);
795 x86_mov16(p->func, dst, tmp);
796 if(output_desc->nr_channels >= 2)
797 x86_mov16_imm(p->func, x86_make_disp(dst, 2), imms[swizzle[1] - UTIL_FORMAT_SWIZZLE_0]);
798 }
799 }
800 else
801 {
802 if(output_desc->nr_channels >= 2 && swizzle[1] >= UTIL_FORMAT_SWIZZLE_0)
803 x86_mov_imm(p->func, dst, (imms[swizzle[1] - UTIL_FORMAT_SWIZZLE_0] << 16) | imms[swizzle[0] - UTIL_FORMAT_SWIZZLE_0]);
804 else
805 {
806 x86_mov16_imm(p->func, dst, imms[swizzle[0] - UTIL_FORMAT_SWIZZLE_0]);
807 if(output_desc->nr_channels >= 2)
808 {
809 sse2_movd(p->func, tmp, dataXMM);
810 x86_shr_imm(p->func, tmp, 16);
811 x86_mov16(p->func, x86_make_disp(dst, 2), tmp);
812 }
813 }
814 }
815
816 if(output_desc->nr_channels >= 3)
817 {
818 if(swizzle[2] < UTIL_FORMAT_SWIZZLE_0)
819 {
820 if(output_desc->nr_channels >= 4 && swizzle[3] < UTIL_FORMAT_SWIZZLE_0)
821 {
822 sse2_psrlq_imm(p->func, dataXMM, 32);
823 sse2_movd(p->func, x86_make_disp(dst, 4), dataXMM);
824 }
825 else
826 {
827 sse2_psrlq_imm(p->func, dataXMM, 32);
828 sse2_movd(p->func, tmp, dataXMM);
829 x86_mov16(p->func, x86_make_disp(dst, 4), tmp);
830 if(output_desc->nr_channels >= 4)
831 {
832 x86_mov16_imm(p->func, x86_make_disp(dst, 6), imms[swizzle[3] - UTIL_FORMAT_SWIZZLE_0]);
833 }
834 }
835 }
836 else
837 {
838 if(output_desc->nr_channels >= 4 && swizzle[3] >= UTIL_FORMAT_SWIZZLE_0)
839 x86_mov_imm(p->func, x86_make_disp(dst, 4), (imms[swizzle[3] - UTIL_FORMAT_SWIZZLE_0] << 16) | imms[swizzle[2] - UTIL_FORMAT_SWIZZLE_0]);
840 else
841 {
842 x86_mov16_imm(p->func, x86_make_disp(dst, 4), imms[swizzle[2] - UTIL_FORMAT_SWIZZLE_0]);
843
844 if(output_desc->nr_channels >= 4)
845 {
846 sse2_psrlq_imm(p->func, dataXMM, 48);
847 sse2_movd(p->func, tmp, dataXMM);
848 x86_mov16(p->func, x86_make_disp(dst, 6), tmp);
849 }
850 }
851 }
852 }
853 }
854 return TRUE;
855 }
856 else if(!memcmp(&output_desc->channel[0], &input_desc->channel[0], sizeof(output_desc->channel[0])))
857 {
858 struct x86_reg tmp = p->tmp_EAX;
859 unsigned i;
860 if(input_desc->channel[0].size == 8 && input_desc->nr_channels == 4 && output_desc->nr_channels == 4
861 && swizzle[0] == UTIL_FORMAT_SWIZZLE_W
862 && swizzle[1] == UTIL_FORMAT_SWIZZLE_Z
863 && swizzle[2] == UTIL_FORMAT_SWIZZLE_Y
864 && swizzle[3] == UTIL_FORMAT_SWIZZLE_X)
865 {
866 /* TODO: support movbe */
867 x86_mov(p->func, tmp, src);
868 x86_bswap(p->func, tmp);
869 x86_mov(p->func, dst, tmp);
870 return TRUE;
871 }
872
873 for(i = 0; i < output_desc->nr_channels; ++i)
874 {
875 switch(output_desc->channel[0].size)
876 {
877 case 8:
878 if(swizzle[i] >= UTIL_FORMAT_SWIZZLE_0)
879 {
880 unsigned v = 0;
881 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_1)
882 {
883 switch(output_desc->channel[0].type)
884 {
885 case UTIL_FORMAT_TYPE_UNSIGNED:
886 v = output_desc->channel[0].normalized ? 0xff : 1;
887 break;
888 case UTIL_FORMAT_TYPE_SIGNED:
889 v = output_desc->channel[0].normalized ? 0x7f : 1;
890 break;
891 default:
892 return FALSE;
893 }
894 }
895 x86_mov8_imm(p->func, x86_make_disp(dst, i * 1), v);
896 }
897 else
898 {
899 x86_mov8(p->func, tmp, x86_make_disp(src, swizzle[i] * 1));
900 x86_mov8(p->func, x86_make_disp(dst, i * 1), tmp);
901 }
902 break;
903 case 16:
904 if(swizzle[i] >= UTIL_FORMAT_SWIZZLE_0)
905 {
906 unsigned v = 0;
907 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_1)
908 {
909 switch(output_desc->channel[1].type)
910 {
911 case UTIL_FORMAT_TYPE_UNSIGNED:
912 v = output_desc->channel[1].normalized ? 0xffff : 1;
913 break;
914 case UTIL_FORMAT_TYPE_SIGNED:
915 v = output_desc->channel[1].normalized ? 0x7fff : 1;
916 break;
917 case UTIL_FORMAT_TYPE_FLOAT:
918 v = 0x3c00;
919 break;
920 default:
921 return FALSE;
922 }
923 }
924 x86_mov16_imm(p->func, x86_make_disp(dst, i * 2), v);
925 }
926 else if(swizzle[i] == UTIL_FORMAT_SWIZZLE_0)
927 x86_mov16_imm(p->func, x86_make_disp(dst, i * 2), 0);
928 else
929 {
930 x86_mov16(p->func, tmp, x86_make_disp(src, swizzle[i] * 2));
931 x86_mov16(p->func, x86_make_disp(dst, i * 2), tmp);
932 }
933 break;
934 case 32:
935 if(swizzle[i] >= UTIL_FORMAT_SWIZZLE_0)
936 {
937 unsigned v = 0;
938 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_1)
939 {
940 switch(output_desc->channel[1].type)
941 {
942 case UTIL_FORMAT_TYPE_UNSIGNED:
943 v = output_desc->channel[1].normalized ? 0xffffffff : 1;
944 break;
945 case UTIL_FORMAT_TYPE_SIGNED:
946 v = output_desc->channel[1].normalized ? 0x7fffffff : 1;
947 break;
948 case UTIL_FORMAT_TYPE_FLOAT:
949 v = 0x3f800000;
950 break;
951 default:
952 return FALSE;
953 }
954 }
955 x86_mov_imm(p->func, x86_make_disp(dst, i * 4), v);
956 }
957 else
958 {
959 x86_mov(p->func, tmp, x86_make_disp(src, swizzle[i] * 4));
960 x86_mov(p->func, x86_make_disp(dst, i * 4), tmp);
961 }
962 break;
963 case 64:
964 if(swizzle[i] >= UTIL_FORMAT_SWIZZLE_0)
965 {
966 unsigned l = 0;
967 unsigned h = 0;
968 if(swizzle[i] == UTIL_FORMAT_SWIZZLE_1)
969 {
970 switch(output_desc->channel[1].type)
971 {
972 case UTIL_FORMAT_TYPE_UNSIGNED:
973 h = output_desc->channel[1].normalized ? 0xffffffff : 0;
974 l = output_desc->channel[1].normalized ? 0xffffffff : 1;
975 break;
976 case UTIL_FORMAT_TYPE_SIGNED:
977 h = output_desc->channel[1].normalized ? 0x7fffffff : 0;
978 l = output_desc->channel[1].normalized ? 0xffffffff : 1;
979 break;
980 case UTIL_FORMAT_TYPE_FLOAT:
981 h = 0x3ff00000;
982 l = 0;
983 break;
984 default:
985 return FALSE;
986 }
987 }
988 x86_mov_imm(p->func, x86_make_disp(dst, i * 8), l);
989 x86_mov_imm(p->func, x86_make_disp(dst, i * 8 + 4), h);
990 }
991 else
992 {
993 if(x86_target_caps(p->func) & X86_SSE)
994 {
995 struct x86_reg tmpXMM = x86_make_reg(file_XMM, 0);
996 emit_load64(p, tmp, tmpXMM, x86_make_disp(src, swizzle[i] * 8));
997 emit_store64(p, x86_make_disp(dst, i * 8), tmp, tmpXMM);
998 }
999 else
1000 {
1001 x86_mov(p->func, tmp, x86_make_disp(src, swizzle[i] * 8));
1002 x86_mov(p->func, x86_make_disp(dst, i * 8), tmp);
1003 x86_mov(p->func, tmp, x86_make_disp(src, swizzle[i] * 8 + 4));
1004 x86_mov(p->func, x86_make_disp(dst, i * 8 + 4), tmp);
1005 }
1006 }
1007 break;
1008 default:
1009 return FALSE;
1010 }
1011 }
1012 return TRUE;
1013 }
1014 /* special case for draw's EMIT_4UB (RGBA) and EMIT_4UB_BGRA */
1015 else if((x86_target_caps(p->func) & X86_SSE2) &&
1016 a->input_format == PIPE_FORMAT_R32G32B32A32_FLOAT && (0
1017 || a->output_format == PIPE_FORMAT_B8G8R8A8_UNORM
1018 || a->output_format == PIPE_FORMAT_R8G8B8A8_UNORM
1019 ))
1020 {
1021 struct x86_reg dataXMM = x86_make_reg(file_XMM, 0);
1022
1023 /* load */
1024 sse_movups(p->func, dataXMM, src);
1025
1026 if (a->output_format == PIPE_FORMAT_B8G8R8A8_UNORM)
1027 sse_shufps(p->func, dataXMM, dataXMM, SHUF(2,1,0,3));
1028
1029 /* scale by 255.0 */
1030 sse_mulps(p->func, dataXMM, get_const(p, CONST_255));
1031
1032 /* pack and emit */
1033 sse2_cvtps2dq(p->func, dataXMM, dataXMM);
1034 sse2_packssdw(p->func, dataXMM, dataXMM);
1035 sse2_packuswb(p->func, dataXMM, dataXMM);
1036 sse2_movd(p->func, dst, dataXMM);
1037
1038 return TRUE;
1039 }
1040
1041 return FALSE;
1042 }
1043
1044 static boolean translate_attr( struct translate_sse *p,
1045 const struct translate_element *a,
1046 struct x86_reg src,
1047 struct x86_reg dst)
1048 {
1049 if(a->input_format == a->output_format)
1050 {
1051 emit_memcpy(p, dst, src, util_format_get_stride(a->input_format, 1));
1052 return TRUE;
1053 }
1054
1055 return translate_attr_convert(p, a, src, dst);
1056 }
1057
1058 static boolean init_inputs( struct translate_sse *p,
1059 unsigned index_size )
1060 {
1061 unsigned i;
1062 struct x86_reg instance_id = x86_make_disp(p->machine_EDI,
1063 get_offset(p, &p->instance_id));
1064
1065 for (i = 0; i < p->nr_buffer_varients; i++) {
1066 struct translate_buffer_varient *varient = &p->buffer_varient[i];
1067 struct translate_buffer *buffer = &p->buffer[varient->buffer_index];
1068
1069 if (!index_size || varient->instance_divisor) {
1070 struct x86_reg buf_stride = x86_make_disp(p->machine_EDI,
1071 get_offset(p, &buffer->stride));
1072 struct x86_reg buf_ptr = x86_make_disp(p->machine_EDI,
1073 get_offset(p, &varient->ptr));
1074 struct x86_reg buf_base_ptr = x86_make_disp(p->machine_EDI,
1075 get_offset(p, &buffer->base_ptr));
1076 struct x86_reg elt = p->idx_ESI;
1077 struct x86_reg tmp_EAX = p->tmp_EAX;
1078
1079 /* Calculate pointer to first attrib:
1080 * base_ptr + stride * index, where index depends on instance divisor
1081 */
1082 if (varient->instance_divisor) {
1083 /* Our index is instance ID divided by instance divisor.
1084 */
1085 x86_mov(p->func, tmp_EAX, instance_id);
1086
1087 if (varient->instance_divisor != 1) {
1088 struct x86_reg tmp_EDX = p->tmp2_EDX;
1089 struct x86_reg tmp_ECX = p->src_ECX;
1090
1091 /* TODO: Add x86_shr() to rtasm and use it whenever
1092 * instance divisor is power of two.
1093 */
1094
1095 x86_xor(p->func, tmp_EDX, tmp_EDX);
1096 x86_mov_reg_imm(p->func, tmp_ECX, varient->instance_divisor);
1097 x86_div(p->func, tmp_ECX); /* EAX = EDX:EAX / ECX */
1098 }
1099 } else {
1100 x86_mov(p->func, tmp_EAX, elt);
1101 }
1102
1103 /*
1104 * TODO: Respect translate_buffer::max_index.
1105 */
1106
1107 x86_imul(p->func, tmp_EAX, buf_stride);
1108 x64_rexw(p->func);
1109 x86_add(p->func, tmp_EAX, buf_base_ptr);
1110
1111
1112 /* In the linear case, keep the buffer pointer instead of the
1113 * index number.
1114 */
1115 if (!index_size && p->nr_buffer_varients == 1)
1116 {
1117 x64_rexw(p->func);
1118 x86_mov(p->func, elt, tmp_EAX);
1119 }
1120 else
1121 {
1122 x64_rexw(p->func);
1123 x86_mov(p->func, buf_ptr, tmp_EAX);
1124 }
1125 }
1126 }
1127
1128 return TRUE;
1129 }
1130
1131
1132 static struct x86_reg get_buffer_ptr( struct translate_sse *p,
1133 unsigned index_size,
1134 unsigned var_idx,
1135 struct x86_reg elt )
1136 {
1137 if (var_idx == ELEMENT_BUFFER_INSTANCE_ID) {
1138 return x86_make_disp(p->machine_EDI,
1139 get_offset(p, &p->instance_id));
1140 }
1141 if (!index_size && p->nr_buffer_varients == 1) {
1142 return p->idx_ESI;
1143 }
1144 else if (!index_size || p->buffer_varient[var_idx].instance_divisor) {
1145 struct x86_reg ptr = p->src_ECX;
1146 struct x86_reg buf_ptr =
1147 x86_make_disp(p->machine_EDI,
1148 get_offset(p, &p->buffer_varient[var_idx].ptr));
1149
1150 x64_rexw(p->func);
1151 x86_mov(p->func, ptr, buf_ptr);
1152 return ptr;
1153 }
1154 else {
1155 struct x86_reg ptr = p->src_ECX;
1156 const struct translate_buffer_varient *varient = &p->buffer_varient[var_idx];
1157
1158 struct x86_reg buf_stride =
1159 x86_make_disp(p->machine_EDI,
1160 get_offset(p, &p->buffer[varient->buffer_index].stride));
1161
1162 struct x86_reg buf_base_ptr =
1163 x86_make_disp(p->machine_EDI,
1164 get_offset(p, &p->buffer[varient->buffer_index].base_ptr));
1165
1166
1167
1168 /* Calculate pointer to current attrib:
1169 */
1170 switch(index_size)
1171 {
1172 case 1:
1173 x86_movzx8(p->func, ptr, elt);
1174 break;
1175 case 2:
1176 x86_movzx16(p->func, ptr, elt);
1177 break;
1178 case 4:
1179 x86_mov(p->func, ptr, elt);
1180 break;
1181 }
1182 x86_imul(p->func, ptr, buf_stride);
1183 x64_rexw(p->func);
1184 x86_add(p->func, ptr, buf_base_ptr);
1185 return ptr;
1186 }
1187 }
1188
1189
1190
1191 static boolean incr_inputs( struct translate_sse *p,
1192 unsigned index_size )
1193 {
1194 if (!index_size && p->nr_buffer_varients == 1) {
1195 struct x86_reg stride = x86_make_disp(p->machine_EDI,
1196 get_offset(p, &p->buffer[0].stride));
1197
1198 if (p->buffer_varient[0].instance_divisor == 0) {
1199 x64_rexw(p->func);
1200 x86_add(p->func, p->idx_ESI, stride);
1201 sse_prefetchnta(p->func, x86_make_disp(p->idx_ESI, 192));
1202 }
1203 }
1204 else if (!index_size) {
1205 unsigned i;
1206
1207 /* Is this worthwhile??
1208 */
1209 for (i = 0; i < p->nr_buffer_varients; i++) {
1210 struct translate_buffer_varient *varient = &p->buffer_varient[i];
1211 struct x86_reg buf_ptr = x86_make_disp(p->machine_EDI,
1212 get_offset(p, &varient->ptr));
1213 struct x86_reg buf_stride = x86_make_disp(p->machine_EDI,
1214 get_offset(p, &p->buffer[varient->buffer_index].stride));
1215
1216 if (varient->instance_divisor == 0) {
1217 x86_mov(p->func, p->tmp_EAX, buf_stride);
1218 x64_rexw(p->func);
1219 x86_add(p->func, p->tmp_EAX, buf_ptr);
1220 if (i == 0) sse_prefetchnta(p->func, x86_make_disp(p->tmp_EAX, 192));
1221 x64_rexw(p->func);
1222 x86_mov(p->func, buf_ptr, p->tmp_EAX);
1223 }
1224 }
1225 }
1226 else {
1227 x64_rexw(p->func);
1228 x86_lea(p->func, p->idx_ESI, x86_make_disp(p->idx_ESI, index_size));
1229 }
1230
1231 return TRUE;
1232 }
1233
1234
1235 /* Build run( struct translate *machine,
1236 * unsigned start,
1237 * unsigned count,
1238 * void *output_buffer )
1239 * or
1240 * run_elts( struct translate *machine,
1241 * unsigned *elts,
1242 * unsigned count,
1243 * void *output_buffer )
1244 *
1245 * Lots of hardcoding
1246 *
1247 * EAX -- pointer to current output vertex
1248 * ECX -- pointer to current attribute
1249 *
1250 */
1251 static boolean build_vertex_emit( struct translate_sse *p,
1252 struct x86_function *func,
1253 unsigned index_size )
1254 {
1255 int fixup, label;
1256 unsigned j;
1257
1258 memset(p->reg_to_const, 0xff, sizeof(p->reg_to_const));
1259 memset(p->const_to_reg, 0xff, sizeof(p->const_to_reg));
1260
1261 p->tmp_EAX = x86_make_reg(file_REG32, reg_AX);
1262 p->idx_ESI = x86_make_reg(file_REG32, reg_SI);
1263 p->outbuf_EBX = x86_make_reg(file_REG32, reg_BX);
1264 p->machine_EDI = x86_make_reg(file_REG32, reg_DI);
1265 p->count_EBP = x86_make_reg(file_REG32, reg_BP);
1266 p->tmp2_EDX = x86_make_reg(file_REG32, reg_DX);
1267 p->src_ECX = x86_make_reg(file_REG32, reg_CX);
1268
1269 p->func = func;
1270
1271 x86_init_func(p->func);
1272
1273 if(x86_target(p->func) == X86_64_WIN64_ABI)
1274 {
1275 /* the ABI guarantees a 16-byte aligned 32-byte "shadow space" above the return address */
1276 sse2_movdqa(p->func, x86_make_disp(x86_make_reg(file_REG32, reg_SP), 8), x86_make_reg(file_XMM, 6));
1277 sse2_movdqa(p->func, x86_make_disp(x86_make_reg(file_REG32, reg_SP), 24), x86_make_reg(file_XMM, 7));
1278 }
1279
1280 x86_push(p->func, p->outbuf_EBX);
1281 x86_push(p->func, p->count_EBP);
1282
1283 /* on non-Win64 x86-64, these are already in the right registers */
1284 if(x86_target(p->func) != X86_64_STD_ABI)
1285 {
1286 x86_push(p->func, p->machine_EDI);
1287 x86_push(p->func, p->idx_ESI);
1288
1289 x86_mov(p->func, p->machine_EDI, x86_fn_arg(p->func, 1));
1290 x86_mov(p->func, p->idx_ESI, x86_fn_arg(p->func, 2));
1291 }
1292
1293 x86_mov(p->func, p->count_EBP, x86_fn_arg(p->func, 3));
1294
1295 if(x86_target(p->func) != X86_32)
1296 x64_mov64(p->func, p->outbuf_EBX, x86_fn_arg(p->func, 5));
1297 else
1298 x86_mov(p->func, p->outbuf_EBX, x86_fn_arg(p->func, 5));
1299
1300 /* Load instance ID.
1301 */
1302 if (p->use_instancing) {
1303 x86_mov(p->func,
1304 p->tmp_EAX,
1305 x86_fn_arg(p->func, 4));
1306 x86_mov(p->func,
1307 x86_make_disp(p->machine_EDI, get_offset(p, &p->instance_id)),
1308 p->tmp_EAX);
1309 }
1310
1311 /* Get vertex count, compare to zero
1312 */
1313 x86_xor(p->func, p->tmp_EAX, p->tmp_EAX);
1314 x86_cmp(p->func, p->count_EBP, p->tmp_EAX);
1315 fixup = x86_jcc_forward(p->func, cc_E);
1316
1317 /* always load, needed or not:
1318 */
1319 init_inputs(p, index_size);
1320
1321 /* Note address for loop jump
1322 */
1323 label = x86_get_label(p->func);
1324 {
1325 struct x86_reg elt = !index_size ? p->idx_ESI : x86_deref(p->idx_ESI);
1326 int last_varient = -1;
1327 struct x86_reg vb;
1328
1329 for (j = 0; j < p->translate.key.nr_elements; j++) {
1330 const struct translate_element *a = &p->translate.key.element[j];
1331 unsigned varient = p->element_to_buffer_varient[j];
1332
1333 /* Figure out source pointer address:
1334 */
1335 if (varient != last_varient) {
1336 last_varient = varient;
1337 vb = get_buffer_ptr(p, index_size, varient, elt);
1338 }
1339
1340 if (!translate_attr( p, a,
1341 x86_make_disp(vb, a->input_offset),
1342 x86_make_disp(p->outbuf_EBX, a->output_offset)))
1343 return FALSE;
1344 }
1345
1346 /* Next output vertex:
1347 */
1348 x64_rexw(p->func);
1349 x86_lea(p->func,
1350 p->outbuf_EBX,
1351 x86_make_disp(p->outbuf_EBX,
1352 p->translate.key.output_stride));
1353
1354 /* Incr index
1355 */
1356 incr_inputs( p, index_size );
1357 }
1358
1359 /* decr count, loop if not zero
1360 */
1361 x86_dec(p->func, p->count_EBP);
1362 x86_jcc(p->func, cc_NZ, label);
1363
1364 /* Exit mmx state?
1365 */
1366 if (p->func->need_emms)
1367 mmx_emms(p->func);
1368
1369 /* Land forward jump here:
1370 */
1371 x86_fixup_fwd_jump(p->func, fixup);
1372
1373 /* Pop regs and return
1374 */
1375
1376 if(x86_target(p->func) != X86_64_STD_ABI)
1377 {
1378 x86_pop(p->func, p->idx_ESI);
1379 x86_pop(p->func, p->machine_EDI);
1380 }
1381
1382 x86_pop(p->func, p->count_EBP);
1383 x86_pop(p->func, p->outbuf_EBX);
1384
1385 if(x86_target(p->func) == X86_64_WIN64_ABI)
1386 {
1387 sse2_movdqa(p->func, x86_make_reg(file_XMM, 6), x86_make_disp(x86_make_reg(file_REG32, reg_SP), 8));
1388 sse2_movdqa(p->func, x86_make_reg(file_XMM, 7), x86_make_disp(x86_make_reg(file_REG32, reg_SP), 24));
1389 }
1390 x86_ret(p->func);
1391
1392 return TRUE;
1393 }
1394
1395
1396
1397
1398
1399
1400
1401 static void translate_sse_set_buffer( struct translate *translate,
1402 unsigned buf,
1403 const void *ptr,
1404 unsigned stride,
1405 unsigned max_index )
1406 {
1407 struct translate_sse *p = (struct translate_sse *)translate;
1408
1409 if (buf < p->nr_buffers) {
1410 p->buffer[buf].base_ptr = (char *)ptr;
1411 p->buffer[buf].stride = stride;
1412 p->buffer[buf].max_index = max_index;
1413 }
1414
1415 if (0) debug_printf("%s %d/%d: %p %d\n",
1416 __FUNCTION__, buf,
1417 p->nr_buffers,
1418 ptr, stride);
1419 }
1420
1421
1422 static void translate_sse_release( struct translate *translate )
1423 {
1424 struct translate_sse *p = (struct translate_sse *)translate;
1425
1426 x86_release_func( &p->linear_func );
1427 x86_release_func( &p->elt_func );
1428
1429 os_free_aligned(p);
1430 }
1431
1432
1433 struct translate *translate_sse2_create( const struct translate_key *key )
1434 {
1435 struct translate_sse *p = NULL;
1436 unsigned i;
1437
1438 /* this is misnamed, it actually refers to whether rtasm is enabled or not */
1439 if (!rtasm_cpu_has_sse())
1440 goto fail;
1441
1442 p = os_malloc_aligned(sizeof(struct translate_sse), 16);
1443 if (p == NULL)
1444 goto fail;
1445 memset(p, 0, sizeof(*p));
1446 memcpy(p->consts, consts, sizeof(consts));
1447
1448 p->translate.key = *key;
1449 p->translate.release = translate_sse_release;
1450 p->translate.set_buffer = translate_sse_set_buffer;
1451
1452 for (i = 0; i < key->nr_elements; i++) {
1453 if (key->element[i].type == TRANSLATE_ELEMENT_NORMAL) {
1454 unsigned j;
1455
1456 p->nr_buffers = MAX2(p->nr_buffers, key->element[i].input_buffer + 1);
1457
1458 if (key->element[i].instance_divisor) {
1459 p->use_instancing = TRUE;
1460 }
1461
1462 /*
1463 * Map vertex element to vertex buffer varient.
1464 */
1465 for (j = 0; j < p->nr_buffer_varients; j++) {
1466 if (p->buffer_varient[j].buffer_index == key->element[i].input_buffer &&
1467 p->buffer_varient[j].instance_divisor == key->element[i].instance_divisor) {
1468 break;
1469 }
1470 }
1471 if (j == p->nr_buffer_varients) {
1472 p->buffer_varient[j].buffer_index = key->element[i].input_buffer;
1473 p->buffer_varient[j].instance_divisor = key->element[i].instance_divisor;
1474 p->nr_buffer_varients++;
1475 }
1476 p->element_to_buffer_varient[i] = j;
1477 } else {
1478 assert(key->element[i].type == TRANSLATE_ELEMENT_INSTANCE_ID);
1479
1480 p->element_to_buffer_varient[i] = ELEMENT_BUFFER_INSTANCE_ID;
1481 }
1482 }
1483
1484 if (0) debug_printf("nr_buffers: %d\n", p->nr_buffers);
1485
1486 if (!build_vertex_emit(p, &p->linear_func, 0))
1487 goto fail;
1488
1489 if (!build_vertex_emit(p, &p->elt_func, 4))
1490 goto fail;
1491
1492 if (!build_vertex_emit(p, &p->elt16_func, 2))
1493 goto fail;
1494
1495 if (!build_vertex_emit(p, &p->elt8_func, 1))
1496 goto fail;
1497
1498 p->translate.run = (run_func) x86_get_func(&p->linear_func);
1499 if (p->translate.run == NULL)
1500 goto fail;
1501
1502 p->translate.run_elts = (run_elts_func) x86_get_func(&p->elt_func);
1503 if (p->translate.run_elts == NULL)
1504 goto fail;
1505
1506 p->translate.run_elts16 = (run_elts16_func) x86_get_func(&p->elt16_func);
1507 if (p->translate.run_elts16 == NULL)
1508 goto fail;
1509
1510 p->translate.run_elts8 = (run_elts8_func) x86_get_func(&p->elt8_func);
1511 if (p->translate.run_elts8 == NULL)
1512 goto fail;
1513
1514 return &p->translate;
1515
1516 fail:
1517 if (p)
1518 translate_sse_release( &p->translate );
1519
1520 return NULL;
1521 }
1522
1523
1524
1525 #else
1526
1527 struct translate *translate_sse2_create( const struct translate_key *key )
1528 {
1529 return NULL;
1530 }
1531
1532 #endif