1 /*
2 * Copyright (c) 2017-2019 Lima Project
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 */
24
25 #include "util/u_memory.h"
26 #include "util/ralloc.h"
27 #include "util/u_debug.h"
28
29 #include "tgsi/tgsi_dump.h"
30 #include "compiler/nir/nir.h"
31 #include "compiler/nir/nir_serialize.h"
32 #include "nir/tgsi_to_nir.h"
33
34 #include "pipe/p_state.h"
35
36 #include "lima_screen.h"
37 #include "lima_context.h"
38 #include "lima_job.h"
39 #include "lima_program.h"
40 #include "lima_bo.h"
41 #include "lima_disk_cache.h"
42
43 #include "ir/lima_ir.h"
44
45 static const nir_shader_compiler_options vs_nir_options = {
46 .lower_ffma16 = true,
47 .lower_ffma32 = true,
48 .lower_ffma64 = true,
49 .lower_fpow = true,
50 .lower_ffract = true,
51 .lower_fdiv = true,
52 .lower_fmod = true,
53 .lower_fsqrt = true,
54 .lower_flrp32 = true,
55 .lower_flrp64 = true,
56 /* could be implemented by clamp */
57 .lower_fsat = true,
58 .lower_bitops = true,
59 .lower_rotate = true,
60 .lower_sincos = true,
61 .lower_fceil = true,
62 .lower_insert_byte = true,
63 .lower_insert_word = true,
64 .force_indirect_unrolling = nir_var_all,
65 .force_indirect_unrolling_sampler = true,
66 .lower_varying_from_uniform = true,
67 .max_unroll_iterations = 32,
68 };
69
70 static const nir_shader_compiler_options fs_nir_options = {
71 .lower_ffma16 = true,
72 .lower_ffma32 = true,
73 .lower_ffma64 = true,
74 .lower_fpow = true,
75 .lower_fdiv = true,
76 .lower_fmod = true,
77 .lower_flrp32 = true,
78 .lower_flrp64 = true,
79 .lower_fsign = true,
80 .lower_rotate = true,
81 .lower_fdot = true,
82 .lower_fdph = true,
83 .lower_insert_byte = true,
84 .lower_insert_word = true,
85 .lower_bitops = true,
86 .lower_vector_cmp = true,
87 .force_indirect_unrolling = (nir_var_shader_out | nir_var_function_temp),
88 .force_indirect_unrolling_sampler = true,
89 .lower_varying_from_uniform = true,
90 .max_unroll_iterations = 32,
91 };
92
93 const void *
lima_program_get_compiler_options(enum pipe_shader_type shader)94 lima_program_get_compiler_options(enum pipe_shader_type shader)
95 {
96 switch (shader) {
97 case PIPE_SHADER_VERTEX:
98 return &vs_nir_options;
99 case PIPE_SHADER_FRAGMENT:
100 return &fs_nir_options;
101 default:
102 return NULL;
103 }
104 }
105
106 static int
type_size(const struct glsl_type * type,bool bindless)107 type_size(const struct glsl_type *type, bool bindless)
108 {
109 return glsl_count_attribute_slots(type, false);
110 }
111
112 void
lima_program_optimize_vs_nir(struct nir_shader * s)113 lima_program_optimize_vs_nir(struct nir_shader *s)
114 {
115 bool progress;
116
117 NIR_PASS_V(s, nir_lower_viewport_transform);
118 NIR_PASS_V(s, nir_lower_point_size, 1.0f, 100.0f);
119 NIR_PASS_V(s, nir_lower_io,
120 nir_var_shader_in | nir_var_shader_out, type_size, 0);
121 NIR_PASS_V(s, nir_lower_load_const_to_scalar);
122 NIR_PASS_V(s, lima_nir_lower_uniform_to_scalar);
123 NIR_PASS_V(s, nir_lower_io_to_scalar,
124 nir_var_shader_in|nir_var_shader_out);
125
126 do {
127 progress = false;
128
129 NIR_PASS_V(s, nir_lower_vars_to_ssa);
130 NIR_PASS(progress, s, nir_lower_alu_to_scalar, NULL, NULL);
131 NIR_PASS(progress, s, nir_lower_phis_to_scalar, false);
132 NIR_PASS(progress, s, nir_copy_prop);
133 NIR_PASS(progress, s, nir_opt_remove_phis);
134 NIR_PASS(progress, s, nir_opt_dce);
135 NIR_PASS(progress, s, nir_opt_dead_cf);
136 NIR_PASS(progress, s, nir_opt_cse);
137 NIR_PASS(progress, s, nir_opt_peephole_select, 8, true, true);
138 NIR_PASS(progress, s, nir_opt_algebraic);
139 NIR_PASS(progress, s, lima_nir_lower_ftrunc);
140 NIR_PASS(progress, s, nir_opt_constant_folding);
141 NIR_PASS(progress, s, nir_opt_undef);
142 NIR_PASS(progress, s, nir_lower_undef_to_zero);
143 NIR_PASS(progress, s, nir_opt_loop_unroll);
144 NIR_PASS(progress, s, nir_lower_undef_to_zero);
145 } while (progress);
146
147 NIR_PASS_V(s, nir_lower_int_to_float);
148 /* int_to_float pass generates ftrunc, so lower it */
149 NIR_PASS(progress, s, lima_nir_lower_ftrunc);
150 NIR_PASS_V(s, nir_lower_bool_to_float);
151
152 NIR_PASS_V(s, nir_copy_prop);
153 NIR_PASS_V(s, nir_opt_dce);
154 NIR_PASS_V(s, lima_nir_split_loads);
155 NIR_PASS_V(s, nir_lower_locals_to_regs);
156 NIR_PASS_V(s, nir_convert_from_ssa, true);
157 NIR_PASS_V(s, nir_opt_dce);
158 NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
159 nir_sweep(s);
160 }
161
162 static bool
lima_alu_to_scalar_filter_cb(const nir_instr * instr,const void * data)163 lima_alu_to_scalar_filter_cb(const nir_instr *instr, const void *data)
164 {
165 if (instr->type != nir_instr_type_alu)
166 return false;
167
168 nir_alu_instr *alu = nir_instr_as_alu(instr);
169 switch (alu->op) {
170 case nir_op_frcp:
171 /* nir_op_idiv is lowered to frcp by lower_int_to_floats which
172 * will be run later, so lower idiv here
173 */
174 case nir_op_idiv:
175 case nir_op_frsq:
176 case nir_op_flog2:
177 case nir_op_fexp2:
178 case nir_op_fsqrt:
179 case nir_op_fsin:
180 case nir_op_fcos:
181 return true;
182 default:
183 break;
184 }
185
186 /* nir vec4 fcsel assumes that each component of the condition will be
187 * used to select the same component from the two options, but Utgard PP
188 * has only 1 component condition. If all condition components are not the
189 * same we need to lower it to scalar.
190 */
191 switch (alu->op) {
192 case nir_op_bcsel:
193 case nir_op_fcsel:
194 break;
195 default:
196 return false;
197 }
198
199 int num_components = nir_dest_num_components(alu->dest.dest);
200
201 uint8_t swizzle = alu->src[0].swizzle[0];
202
203 for (int i = 1; i < num_components; i++)
204 if (alu->src[0].swizzle[i] != swizzle)
205 return true;
206
207 return false;
208 }
209
210 static bool
lima_vec_to_movs_filter_cb(const nir_instr * instr,unsigned writemask,const void * data)211 lima_vec_to_movs_filter_cb(const nir_instr *instr, unsigned writemask,
212 const void *data)
213 {
214 assert(writemask > 0);
215 if (util_bitcount(writemask) == 1)
216 return true;
217
218 return !lima_alu_to_scalar_filter_cb(instr, data);
219 }
220
221 void
lima_program_optimize_fs_nir(struct nir_shader * s,struct nir_lower_tex_options * tex_options)222 lima_program_optimize_fs_nir(struct nir_shader *s,
223 struct nir_lower_tex_options *tex_options)
224 {
225 bool progress;
226
227 NIR_PASS_V(s, nir_lower_fragcoord_wtrans);
228 NIR_PASS_V(s, nir_lower_io,
229 nir_var_shader_in | nir_var_shader_out, type_size, 0);
230 NIR_PASS_V(s, nir_lower_regs_to_ssa);
231 NIR_PASS_V(s, nir_lower_tex, tex_options);
232 NIR_PASS_V(s, lima_nir_lower_txp);
233
234 do {
235 progress = false;
236 NIR_PASS(progress, s, nir_opt_vectorize, NULL, NULL);
237 } while (progress);
238
239 do {
240 progress = false;
241
242 NIR_PASS_V(s, nir_lower_vars_to_ssa);
243 NIR_PASS(progress, s, nir_lower_alu_to_scalar, lima_alu_to_scalar_filter_cb, NULL);
244 NIR_PASS(progress, s, nir_copy_prop);
245 NIR_PASS(progress, s, nir_opt_remove_phis);
246 NIR_PASS(progress, s, nir_opt_dce);
247 NIR_PASS(progress, s, nir_opt_dead_cf);
248 NIR_PASS(progress, s, nir_opt_cse);
249 NIR_PASS(progress, s, nir_opt_peephole_select, 8, true, true);
250 NIR_PASS(progress, s, nir_opt_algebraic);
251 NIR_PASS(progress, s, nir_opt_constant_folding);
252 NIR_PASS(progress, s, nir_opt_undef);
253 NIR_PASS(progress, s, nir_opt_loop_unroll);
254 NIR_PASS(progress, s, lima_nir_split_load_input);
255 } while (progress);
256
257 NIR_PASS_V(s, nir_lower_int_to_float);
258 NIR_PASS_V(s, nir_lower_bool_to_float);
259
260 /* Some ops must be lowered after being converted from int ops,
261 * so re-run nir_opt_algebraic after int lowering. */
262 do {
263 progress = false;
264 NIR_PASS(progress, s, nir_opt_algebraic);
265 } while (progress);
266
267 /* Must be run after optimization loop */
268 NIR_PASS_V(s, lima_nir_scale_trig);
269
270 /* Lower modifiers */
271 NIR_PASS_V(s, nir_lower_to_source_mods, nir_lower_all_source_mods);
272 NIR_PASS_V(s, nir_copy_prop);
273 NIR_PASS_V(s, nir_opt_dce);
274
275 NIR_PASS_V(s, nir_lower_locals_to_regs);
276 NIR_PASS_V(s, nir_convert_from_ssa, true);
277 NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
278
279 NIR_PASS_V(s, nir_move_vec_src_uses_to_dest);
280 NIR_PASS_V(s, nir_lower_vec_to_movs, lima_vec_to_movs_filter_cb, NULL);
281 NIR_PASS_V(s, nir_opt_dce); /* clean up any new dead code from vec to movs */
282
283 NIR_PASS_V(s, lima_nir_duplicate_load_uniforms);
284 NIR_PASS_V(s, lima_nir_duplicate_load_inputs);
285 NIR_PASS_V(s, lima_nir_duplicate_load_consts);
286
287 nir_sweep(s);
288 }
289
290 static bool
lima_fs_compile_shader(struct lima_context * ctx,struct lima_fs_key * key,struct lima_fs_uncompiled_shader * ufs,struct lima_fs_compiled_shader * fs)291 lima_fs_compile_shader(struct lima_context *ctx,
292 struct lima_fs_key *key,
293 struct lima_fs_uncompiled_shader *ufs,
294 struct lima_fs_compiled_shader *fs)
295 {
296 struct lima_screen *screen = lima_screen(ctx->base.screen);
297 nir_shader *nir = nir_shader_clone(fs, ufs->base.ir.nir);
298
299 struct nir_lower_tex_options tex_options = {
300 .swizzle_result = ~0u,
301 .lower_invalid_implicit_lod = true,
302 };
303
304 for (int i = 0; i < ARRAY_SIZE(key->tex); i++) {
305 for (int j = 0; j < 4; j++)
306 tex_options.swizzles[i][j] = key->tex[i].swizzle[j];
307 }
308
309 lima_program_optimize_fs_nir(nir, &tex_options);
310
311 if (lima_debug & LIMA_DEBUG_PP)
312 nir_print_shader(nir, stdout);
313
314 if (!ppir_compile_nir(fs, nir, screen->pp_ra, &ctx->debug)) {
315 ralloc_free(nir);
316 return false;
317 }
318
319 fs->state.uses_discard = nir->info.fs.uses_discard;
320 ralloc_free(nir);
321
322 return true;
323 }
324
325 static bool
lima_fs_upload_shader(struct lima_context * ctx,struct lima_fs_compiled_shader * fs)326 lima_fs_upload_shader(struct lima_context *ctx,
327 struct lima_fs_compiled_shader *fs)
328 {
329 struct lima_screen *screen = lima_screen(ctx->base.screen);
330
331 fs->bo = lima_bo_create(screen, fs->state.shader_size, 0);
332 if (!fs->bo) {
333 fprintf(stderr, "lima: create fs shader bo fail\n");
334 return false;
335 }
336
337 memcpy(lima_bo_map(fs->bo), fs->shader, fs->state.shader_size);
338
339 return true;
340 }
341
342 static struct lima_fs_compiled_shader *
lima_get_compiled_fs(struct lima_context * ctx,struct lima_fs_uncompiled_shader * ufs,struct lima_fs_key * key)343 lima_get_compiled_fs(struct lima_context *ctx,
344 struct lima_fs_uncompiled_shader *ufs,
345 struct lima_fs_key *key)
346 {
347 struct lima_screen *screen = lima_screen(ctx->base.screen);
348 struct hash_table *ht;
349 uint32_t key_size;
350
351 ht = ctx->fs_cache;
352 key_size = sizeof(struct lima_fs_key);
353
354 struct hash_entry *entry = _mesa_hash_table_search(ht, key);
355 if (entry)
356 return entry->data;
357
358 /* Not on memory cache, try disk cache */
359 struct lima_fs_compiled_shader *fs =
360 lima_fs_disk_cache_retrieve(screen->disk_cache, key);
361
362 if (!fs) {
363 /* Not on disk cache, compile and insert into disk cache*/
364 fs = rzalloc(NULL, struct lima_fs_compiled_shader);
365 if (!fs)
366 return NULL;
367
368 if (!lima_fs_compile_shader(ctx, key, ufs, fs))
369 goto err;
370
371 lima_fs_disk_cache_store(screen->disk_cache, key, fs);
372 }
373
374 if (!lima_fs_upload_shader(ctx, fs))
375 goto err;
376
377 ralloc_free(fs->shader);
378 fs->shader = NULL;
379
380 /* Insert into memory cache */
381 struct lima_key *dup_key;
382 dup_key = rzalloc_size(fs, key_size);
383 memcpy(dup_key, key, key_size);
384 _mesa_hash_table_insert(ht, dup_key, fs);
385
386 return fs;
387
388 err:
389 ralloc_free(fs);
390 return NULL;
391 }
392
393 static void *
lima_create_fs_state(struct pipe_context * pctx,const struct pipe_shader_state * cso)394 lima_create_fs_state(struct pipe_context *pctx,
395 const struct pipe_shader_state *cso)
396 {
397 struct lima_context *ctx = lima_context(pctx);
398 struct lima_fs_uncompiled_shader *so = rzalloc(NULL, struct lima_fs_uncompiled_shader);
399
400 if (!so)
401 return NULL;
402
403 nir_shader *nir;
404 if (cso->type == PIPE_SHADER_IR_NIR)
405 /* The backend takes ownership of the NIR shader on state
406 * creation. */
407 nir = cso->ir.nir;
408 else {
409 assert(cso->type == PIPE_SHADER_IR_TGSI);
410
411 nir = tgsi_to_nir(cso->tokens, pctx->screen, false);
412 }
413
414 so->base.type = PIPE_SHADER_IR_NIR;
415 so->base.ir.nir = nir;
416
417 /* Serialize the NIR to a binary blob that we can hash for the disk
418 * cache. Drop unnecessary information (like variable names)
419 * so the serialized NIR is smaller, and also to let us detect more
420 * isomorphic shaders when hashing, increasing cache hits.
421 */
422 struct blob blob;
423 blob_init(&blob);
424 nir_serialize(&blob, nir, true);
425 _mesa_sha1_compute(blob.data, blob.size, so->nir_sha1);
426 blob_finish(&blob);
427
428 if (lima_debug & LIMA_DEBUG_PRECOMPILE) {
429 /* Trigger initial compilation with default settings */
430 struct lima_fs_key key;
431 memset(&key, 0, sizeof(key));
432 memcpy(key.nir_sha1, so->nir_sha1, sizeof(so->nir_sha1));
433 for (int i = 0; i < ARRAY_SIZE(key.tex); i++) {
434 for (int j = 0; j < 4; j++)
435 key.tex[i].swizzle[j] = j;
436 }
437 lima_get_compiled_fs(ctx, so, &key);
438 }
439
440 return so;
441 }
442
443 static void
lima_bind_fs_state(struct pipe_context * pctx,void * hwcso)444 lima_bind_fs_state(struct pipe_context *pctx, void *hwcso)
445 {
446 struct lima_context *ctx = lima_context(pctx);
447
448 ctx->uncomp_fs = hwcso;
449 ctx->dirty |= LIMA_CONTEXT_DIRTY_UNCOMPILED_FS;
450 }
451
452 static void
lima_delete_fs_state(struct pipe_context * pctx,void * hwcso)453 lima_delete_fs_state(struct pipe_context *pctx, void *hwcso)
454 {
455 struct lima_context *ctx = lima_context(pctx);
456 struct lima_fs_uncompiled_shader *so = hwcso;
457
458 hash_table_foreach(ctx->fs_cache, entry) {
459 const struct lima_fs_key *key = entry->key;
460 if (!memcmp(key->nir_sha1, so->nir_sha1, sizeof(so->nir_sha1))) {
461 struct lima_fs_compiled_shader *fs = entry->data;
462 _mesa_hash_table_remove(ctx->fs_cache, entry);
463 if (fs->bo)
464 lima_bo_unreference(fs->bo);
465
466 if (fs == ctx->fs)
467 ctx->fs = NULL;
468
469 ralloc_free(fs);
470 }
471 }
472
473 ralloc_free(so->base.ir.nir);
474 ralloc_free(so);
475 }
476
477 static bool
lima_vs_compile_shader(struct lima_context * ctx,struct lima_vs_key * key,struct lima_vs_uncompiled_shader * uvs,struct lima_vs_compiled_shader * vs)478 lima_vs_compile_shader(struct lima_context *ctx,
479 struct lima_vs_key *key,
480 struct lima_vs_uncompiled_shader *uvs,
481 struct lima_vs_compiled_shader *vs)
482 {
483 nir_shader *nir = nir_shader_clone(vs, uvs->base.ir.nir);
484
485 lima_program_optimize_vs_nir(nir);
486
487 if (lima_debug & LIMA_DEBUG_GP)
488 nir_print_shader(nir, stdout);
489
490 if (!gpir_compile_nir(vs, nir, &ctx->debug)) {
491 ralloc_free(nir);
492 return false;
493 }
494
495 ralloc_free(nir);
496
497 return true;
498 }
499
500 static bool
lima_vs_upload_shader(struct lima_context * ctx,struct lima_vs_compiled_shader * vs)501 lima_vs_upload_shader(struct lima_context *ctx,
502 struct lima_vs_compiled_shader *vs)
503 {
504 struct lima_screen *screen = lima_screen(ctx->base.screen);
505 vs->bo = lima_bo_create(screen, vs->state.shader_size, 0);
506 if (!vs->bo) {
507 fprintf(stderr, "lima: create vs shader bo fail\n");
508 return false;
509 }
510
511 memcpy(lima_bo_map(vs->bo), vs->shader, vs->state.shader_size);
512
513 return true;
514 }
515
516 static struct lima_vs_compiled_shader *
lima_get_compiled_vs(struct lima_context * ctx,struct lima_vs_uncompiled_shader * uvs,struct lima_vs_key * key)517 lima_get_compiled_vs(struct lima_context *ctx,
518 struct lima_vs_uncompiled_shader *uvs,
519 struct lima_vs_key *key)
520 {
521 struct lima_screen *screen = lima_screen(ctx->base.screen);
522 struct hash_table *ht;
523 uint32_t key_size;
524
525 ht = ctx->vs_cache;
526 key_size = sizeof(struct lima_vs_key);
527
528 struct hash_entry *entry = _mesa_hash_table_search(ht, key);
529 if (entry)
530 return entry->data;
531
532 /* Not on memory cache, try disk cache */
533 struct lima_vs_compiled_shader *vs =
534 lima_vs_disk_cache_retrieve(screen->disk_cache, key);
535
536 if (!vs) {
537 /* Not on disk cache, compile and insert into disk cache */
538 vs = rzalloc(NULL, struct lima_vs_compiled_shader);
539 if (!vs)
540 return NULL;
541 if (!lima_vs_compile_shader(ctx, key, uvs, vs))
542 goto err;
543
544 lima_vs_disk_cache_store(screen->disk_cache, key, vs);
545 }
546
547 if (!lima_vs_upload_shader(ctx, vs))
548 goto err;
549
550 ralloc_free(vs->shader);
551 vs->shader = NULL;
552
553 struct lima_key *dup_key;
554 dup_key = rzalloc_size(vs, key_size);
555 memcpy(dup_key, key, key_size);
556 _mesa_hash_table_insert(ht, dup_key, vs);
557
558 return vs;
559
560 err:
561 ralloc_free(vs);
562 return NULL;
563 }
564
565 bool
lima_update_vs_state(struct lima_context * ctx)566 lima_update_vs_state(struct lima_context *ctx)
567 {
568 if (!(ctx->dirty & LIMA_CONTEXT_DIRTY_UNCOMPILED_VS)) {
569 return true;
570 }
571
572 struct lima_vs_key local_key;
573 struct lima_vs_key *key = &local_key;
574 memset(key, 0, sizeof(*key));
575 memcpy(key->nir_sha1, ctx->uncomp_vs->nir_sha1,
576 sizeof(ctx->uncomp_vs->nir_sha1));
577
578 struct lima_vs_compiled_shader *old_vs = ctx->vs;
579 struct lima_vs_compiled_shader *vs = lima_get_compiled_vs(ctx,
580 ctx->uncomp_vs,
581 key);
582 if (!vs)
583 return false;
584
585 ctx->vs = vs;
586
587 if (ctx->vs != old_vs)
588 ctx->dirty |= LIMA_CONTEXT_DIRTY_COMPILED_VS;
589
590 return true;
591 }
592
593 bool
lima_update_fs_state(struct lima_context * ctx)594 lima_update_fs_state(struct lima_context *ctx)
595 {
596 if (!(ctx->dirty & (LIMA_CONTEXT_DIRTY_UNCOMPILED_FS |
597 LIMA_CONTEXT_DIRTY_TEXTURES))) {
598 return true;
599 }
600
601 struct lima_texture_stateobj *lima_tex = &ctx->tex_stateobj;
602 struct lima_fs_key local_key;
603 struct lima_fs_key *key = &local_key;
604 memset(key, 0, sizeof(*key));
605 memcpy(key->nir_sha1, ctx->uncomp_fs->nir_sha1,
606 sizeof(ctx->uncomp_fs->nir_sha1));
607
608 uint8_t identity[4] = { PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y,
609 PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W };
610 for (int i = 0; i < lima_tex->num_textures; i++) {
611 struct lima_sampler_view *sampler = lima_sampler_view(lima_tex->textures[i]);
612 if (!sampler) {
613 memcpy(key->tex[i].swizzle, identity, 4);
614 continue;
615 }
616 for (int j = 0; j < 4; j++)
617 key->tex[i].swizzle[j] = sampler->swizzle[j];
618 }
619
620 /* Fill rest with identity swizzle */
621 for (int i = lima_tex->num_textures; i < ARRAY_SIZE(key->tex); i++)
622 memcpy(key->tex[i].swizzle, identity, 4);
623
624 struct lima_fs_compiled_shader *old_fs = ctx->fs;
625
626 struct lima_fs_compiled_shader *fs = lima_get_compiled_fs(ctx,
627 ctx->uncomp_fs,
628 key);
629 if (!fs)
630 return false;
631
632 ctx->fs = fs;
633
634 if (ctx->fs != old_fs)
635 ctx->dirty |= LIMA_CONTEXT_DIRTY_COMPILED_FS;
636
637 return true;
638 }
639
640 static void *
lima_create_vs_state(struct pipe_context * pctx,const struct pipe_shader_state * cso)641 lima_create_vs_state(struct pipe_context *pctx,
642 const struct pipe_shader_state *cso)
643 {
644 struct lima_context *ctx = lima_context(pctx);
645 struct lima_vs_uncompiled_shader *so = rzalloc(NULL, struct lima_vs_uncompiled_shader);
646
647 if (!so)
648 return NULL;
649
650 nir_shader *nir;
651 if (cso->type == PIPE_SHADER_IR_NIR)
652 /* The backend takes ownership of the NIR shader on state
653 * creation. */
654 nir = cso->ir.nir;
655 else {
656 assert(cso->type == PIPE_SHADER_IR_TGSI);
657
658 nir = tgsi_to_nir(cso->tokens, pctx->screen, false);
659 }
660
661 so->base.type = PIPE_SHADER_IR_NIR;
662 so->base.ir.nir = nir;
663
664 /* Serialize the NIR to a binary blob that we can hash for the disk
665 * cache. Drop unnecessary information (like variable names)
666 * so the serialized NIR is smaller, and also to let us detect more
667 * isomorphic shaders when hashing, increasing cache hits.
668 */
669 struct blob blob;
670 blob_init(&blob);
671 nir_serialize(&blob, nir, true);
672 _mesa_sha1_compute(blob.data, blob.size, so->nir_sha1);
673 blob_finish(&blob);
674
675 if (lima_debug & LIMA_DEBUG_PRECOMPILE) {
676 /* Trigger initial compilation with default settings */
677 struct lima_vs_key key;
678 memset(&key, 0, sizeof(key));
679 memcpy(key.nir_sha1, so->nir_sha1, sizeof(so->nir_sha1));
680 lima_get_compiled_vs(ctx, so, &key);
681 }
682
683 return so;
684 }
685
686 static void
lima_bind_vs_state(struct pipe_context * pctx,void * hwcso)687 lima_bind_vs_state(struct pipe_context *pctx, void *hwcso)
688 {
689 struct lima_context *ctx = lima_context(pctx);
690
691 ctx->uncomp_vs = hwcso;
692 ctx->dirty |= LIMA_CONTEXT_DIRTY_UNCOMPILED_VS;
693 }
694
695 static void
lima_delete_vs_state(struct pipe_context * pctx,void * hwcso)696 lima_delete_vs_state(struct pipe_context *pctx, void *hwcso)
697 {
698 struct lima_context *ctx = lima_context(pctx);
699 struct lima_vs_uncompiled_shader *so = hwcso;
700
701 hash_table_foreach(ctx->vs_cache, entry) {
702 const struct lima_vs_key *key = entry->key;
703 if (!memcmp(key->nir_sha1, so->nir_sha1, sizeof(so->nir_sha1))) {
704 struct lima_vs_compiled_shader *vs = entry->data;
705 _mesa_hash_table_remove(ctx->vs_cache, entry);
706 if (vs->bo)
707 lima_bo_unreference(vs->bo);
708
709 if (vs == ctx->vs)
710 ctx->vs = NULL;
711
712 ralloc_free(vs);
713 }
714 }
715
716 ralloc_free(so->base.ir.nir);
717 ralloc_free(so);
718 }
719
720 static uint32_t
lima_fs_cache_hash(const void * key)721 lima_fs_cache_hash(const void *key)
722 {
723 return _mesa_hash_data(key, sizeof(struct lima_fs_key));
724 }
725
726 static uint32_t
lima_vs_cache_hash(const void * key)727 lima_vs_cache_hash(const void *key)
728 {
729 return _mesa_hash_data(key, sizeof(struct lima_vs_key));
730 }
731
732 static bool
lima_fs_cache_compare(const void * key1,const void * key2)733 lima_fs_cache_compare(const void *key1, const void *key2)
734 {
735 return memcmp(key1, key2, sizeof(struct lima_fs_key)) == 0;
736 }
737
738 static bool
lima_vs_cache_compare(const void * key1,const void * key2)739 lima_vs_cache_compare(const void *key1, const void *key2)
740 {
741 return memcmp(key1, key2, sizeof(struct lima_vs_key)) == 0;
742 }
743
744 void
lima_program_init(struct lima_context * ctx)745 lima_program_init(struct lima_context *ctx)
746 {
747 ctx->base.create_fs_state = lima_create_fs_state;
748 ctx->base.bind_fs_state = lima_bind_fs_state;
749 ctx->base.delete_fs_state = lima_delete_fs_state;
750
751 ctx->base.create_vs_state = lima_create_vs_state;
752 ctx->base.bind_vs_state = lima_bind_vs_state;
753 ctx->base.delete_vs_state = lima_delete_vs_state;
754
755 ctx->fs_cache = _mesa_hash_table_create(ctx, lima_fs_cache_hash,
756 lima_fs_cache_compare);
757 ctx->vs_cache = _mesa_hash_table_create(ctx, lima_vs_cache_hash,
758 lima_vs_cache_compare);
759 }
760
761 void
lima_program_fini(struct lima_context * ctx)762 lima_program_fini(struct lima_context *ctx)
763 {
764 hash_table_foreach(ctx->vs_cache, entry) {
765 struct lima_vs_compiled_shader *vs = entry->data;
766 if (vs->bo)
767 lima_bo_unreference(vs->bo);
768 ralloc_free(vs);
769 _mesa_hash_table_remove(ctx->vs_cache, entry);
770 }
771
772 hash_table_foreach(ctx->fs_cache, entry) {
773 struct lima_fs_compiled_shader *fs = entry->data;
774 if (fs->bo)
775 lima_bo_unreference(fs->bo);
776 ralloc_free(fs);
777 _mesa_hash_table_remove(ctx->fs_cache, entry);
778 }
779 }
780