2 * Copyright 2012 Advanced Micro Devices, Inc.
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:
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
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 * THE AUTHOR(S) 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.
25 #include "si_build_pm4.h"
28 #include "compiler/nir/nir_serialize.h"
29 #include "tgsi/tgsi_parse.h"
30 #include "tgsi/tgsi_ureg.h"
31 #include "util/hash_table.h"
32 #include "util/crc32.h"
33 #include "util/u_async_debug.h"
34 #include "util/u_memory.h"
35 #include "util/u_prim.h"
37 #include "util/disk_cache.h"
38 #include "util/mesa-sha1.h"
39 #include "ac_exp_param.h"
40 #include "ac_shader_util.h"
45 * Return the IR binary in a buffer. For TGSI the first 4 bytes contain its
48 void *si_get_ir_binary(struct si_shader_selector
*sel
)
55 ir_binary
= sel
->tokens
;
56 ir_size
= tgsi_num_tokens(sel
->tokens
) *
57 sizeof(struct tgsi_token
);
62 nir_serialize(&blob
, sel
->nir
);
63 ir_binary
= blob
.data
;
67 unsigned size
= 4 + ir_size
+ sizeof(sel
->so
);
68 char *result
= (char*)MALLOC(size
);
72 *((uint32_t*)result
) = size
;
73 memcpy(result
+ 4, ir_binary
, ir_size
);
74 memcpy(result
+ 4 + ir_size
, &sel
->so
, sizeof(sel
->so
));
82 /** Copy "data" to "ptr" and return the next dword following copied data. */
83 static uint32_t *write_data(uint32_t *ptr
, const void *data
, unsigned size
)
85 /* data may be NULL if size == 0 */
87 memcpy(ptr
, data
, size
);
88 ptr
+= DIV_ROUND_UP(size
, 4);
92 /** Read data from "ptr". Return the next dword following the data. */
93 static uint32_t *read_data(uint32_t *ptr
, void *data
, unsigned size
)
95 memcpy(data
, ptr
, size
);
96 ptr
+= DIV_ROUND_UP(size
, 4);
101 * Write the size as uint followed by the data. Return the next dword
102 * following the copied data.
104 static uint32_t *write_chunk(uint32_t *ptr
, const void *data
, unsigned size
)
107 return write_data(ptr
, data
, size
);
111 * Read the size as uint followed by the data. Return both via parameters.
112 * Return the next dword following the data.
114 static uint32_t *read_chunk(uint32_t *ptr
, void **data
, unsigned *size
)
117 assert(*data
== NULL
);
120 *data
= malloc(*size
);
121 return read_data(ptr
, *data
, *size
);
125 * Return the shader binary in a buffer. The first 4 bytes contain its size
128 static void *si_get_shader_binary(struct si_shader
*shader
)
130 /* There is always a size of data followed by the data itself. */
131 unsigned relocs_size
= shader
->binary
.reloc_count
*
132 sizeof(shader
->binary
.relocs
[0]);
133 unsigned disasm_size
= shader
->binary
.disasm_string
?
134 strlen(shader
->binary
.disasm_string
) + 1 : 0;
135 unsigned llvm_ir_size
= shader
->binary
.llvm_ir_string
?
136 strlen(shader
->binary
.llvm_ir_string
) + 1 : 0;
139 4 + /* CRC32 of the data below */
140 align(sizeof(shader
->config
), 4) +
141 align(sizeof(shader
->info
), 4) +
142 4 + align(shader
->binary
.code_size
, 4) +
143 4 + align(shader
->binary
.rodata_size
, 4) +
144 4 + align(relocs_size
, 4) +
145 4 + align(disasm_size
, 4) +
146 4 + align(llvm_ir_size
, 4);
147 void *buffer
= CALLOC(1, size
);
148 uint32_t *ptr
= (uint32_t*)buffer
;
154 ptr
++; /* CRC32 is calculated at the end. */
156 ptr
= write_data(ptr
, &shader
->config
, sizeof(shader
->config
));
157 ptr
= write_data(ptr
, &shader
->info
, sizeof(shader
->info
));
158 ptr
= write_chunk(ptr
, shader
->binary
.code
, shader
->binary
.code_size
);
159 ptr
= write_chunk(ptr
, shader
->binary
.rodata
, shader
->binary
.rodata_size
);
160 ptr
= write_chunk(ptr
, shader
->binary
.relocs
, relocs_size
);
161 ptr
= write_chunk(ptr
, shader
->binary
.disasm_string
, disasm_size
);
162 ptr
= write_chunk(ptr
, shader
->binary
.llvm_ir_string
, llvm_ir_size
);
163 assert((char *)ptr
- (char *)buffer
== size
);
166 ptr
= (uint32_t*)buffer
;
168 *ptr
= util_hash_crc32(ptr
+ 1, size
- 8);
173 static bool si_load_shader_binary(struct si_shader
*shader
, void *binary
)
175 uint32_t *ptr
= (uint32_t*)binary
;
176 uint32_t size
= *ptr
++;
177 uint32_t crc32
= *ptr
++;
180 if (util_hash_crc32(ptr
, size
- 8) != crc32
) {
181 fprintf(stderr
, "radeonsi: binary shader has invalid CRC32\n");
185 ptr
= read_data(ptr
, &shader
->config
, sizeof(shader
->config
));
186 ptr
= read_data(ptr
, &shader
->info
, sizeof(shader
->info
));
187 ptr
= read_chunk(ptr
, (void**)&shader
->binary
.code
,
188 &shader
->binary
.code_size
);
189 ptr
= read_chunk(ptr
, (void**)&shader
->binary
.rodata
,
190 &shader
->binary
.rodata_size
);
191 ptr
= read_chunk(ptr
, (void**)&shader
->binary
.relocs
, &chunk_size
);
192 shader
->binary
.reloc_count
= chunk_size
/ sizeof(shader
->binary
.relocs
[0]);
193 ptr
= read_chunk(ptr
, (void**)&shader
->binary
.disasm_string
, &chunk_size
);
194 ptr
= read_chunk(ptr
, (void**)&shader
->binary
.llvm_ir_string
, &chunk_size
);
200 * Insert a shader into the cache. It's assumed the shader is not in the cache.
201 * Use si_shader_cache_load_shader before calling this.
203 * Returns false on failure, in which case the ir_binary should be freed.
205 bool si_shader_cache_insert_shader(struct si_screen
*sscreen
, void *ir_binary
,
206 struct si_shader
*shader
,
207 bool insert_into_disk_cache
)
210 struct hash_entry
*entry
;
211 uint8_t key
[CACHE_KEY_SIZE
];
213 entry
= _mesa_hash_table_search(sscreen
->shader_cache
, ir_binary
);
215 return false; /* already added */
217 hw_binary
= si_get_shader_binary(shader
);
221 if (_mesa_hash_table_insert(sscreen
->shader_cache
, ir_binary
,
222 hw_binary
) == NULL
) {
227 if (sscreen
->disk_shader_cache
&& insert_into_disk_cache
) {
228 disk_cache_compute_key(sscreen
->disk_shader_cache
, ir_binary
,
229 *((uint32_t *)ir_binary
), key
);
230 disk_cache_put(sscreen
->disk_shader_cache
, key
, hw_binary
,
231 *((uint32_t *) hw_binary
), NULL
);
237 bool si_shader_cache_load_shader(struct si_screen
*sscreen
, void *ir_binary
,
238 struct si_shader
*shader
)
240 struct hash_entry
*entry
=
241 _mesa_hash_table_search(sscreen
->shader_cache
, ir_binary
);
243 if (sscreen
->disk_shader_cache
) {
244 unsigned char sha1
[CACHE_KEY_SIZE
];
245 size_t tg_size
= *((uint32_t *) ir_binary
);
247 disk_cache_compute_key(sscreen
->disk_shader_cache
,
248 ir_binary
, tg_size
, sha1
);
252 disk_cache_get(sscreen
->disk_shader_cache
,
257 if (binary_size
< sizeof(uint32_t) ||
258 *((uint32_t*)buffer
) != binary_size
) {
259 /* Something has gone wrong discard the item
260 * from the cache and rebuild/link from
263 assert(!"Invalid radeonsi shader disk cache "
266 disk_cache_remove(sscreen
->disk_shader_cache
,
273 if (!si_load_shader_binary(shader
, buffer
)) {
279 if (!si_shader_cache_insert_shader(sscreen
, ir_binary
,
286 if (si_load_shader_binary(shader
, entry
->data
))
291 p_atomic_inc(&sscreen
->num_shader_cache_hits
);
295 static uint32_t si_shader_cache_key_hash(const void *key
)
297 /* The first dword is the key size. */
298 return util_hash_crc32(key
, *(uint32_t*)key
);
301 static bool si_shader_cache_key_equals(const void *a
, const void *b
)
303 uint32_t *keya
= (uint32_t*)a
;
304 uint32_t *keyb
= (uint32_t*)b
;
306 /* The first dword is the key size. */
310 return memcmp(keya
, keyb
, *keya
) == 0;
313 static void si_destroy_shader_cache_entry(struct hash_entry
*entry
)
315 FREE((void*)entry
->key
);
319 bool si_init_shader_cache(struct si_screen
*sscreen
)
321 (void) mtx_init(&sscreen
->shader_cache_mutex
, mtx_plain
);
322 sscreen
->shader_cache
=
323 _mesa_hash_table_create(NULL
,
324 si_shader_cache_key_hash
,
325 si_shader_cache_key_equals
);
327 return sscreen
->shader_cache
!= NULL
;
330 void si_destroy_shader_cache(struct si_screen
*sscreen
)
332 if (sscreen
->shader_cache
)
333 _mesa_hash_table_destroy(sscreen
->shader_cache
,
334 si_destroy_shader_cache_entry
);
335 mtx_destroy(&sscreen
->shader_cache_mutex
);
340 static void si_set_tesseval_regs(struct si_screen
*sscreen
,
341 struct si_shader_selector
*tes
,
342 struct si_pm4_state
*pm4
)
344 struct tgsi_shader_info
*info
= &tes
->info
;
345 unsigned tes_prim_mode
= info
->properties
[TGSI_PROPERTY_TES_PRIM_MODE
];
346 unsigned tes_spacing
= info
->properties
[TGSI_PROPERTY_TES_SPACING
];
347 bool tes_vertex_order_cw
= info
->properties
[TGSI_PROPERTY_TES_VERTEX_ORDER_CW
];
348 bool tes_point_mode
= info
->properties
[TGSI_PROPERTY_TES_POINT_MODE
];
349 unsigned type
, partitioning
, topology
, distribution_mode
;
351 switch (tes_prim_mode
) {
352 case PIPE_PRIM_LINES
:
353 type
= V_028B6C_TESS_ISOLINE
;
355 case PIPE_PRIM_TRIANGLES
:
356 type
= V_028B6C_TESS_TRIANGLE
;
358 case PIPE_PRIM_QUADS
:
359 type
= V_028B6C_TESS_QUAD
;
366 switch (tes_spacing
) {
367 case PIPE_TESS_SPACING_FRACTIONAL_ODD
:
368 partitioning
= V_028B6C_PART_FRAC_ODD
;
370 case PIPE_TESS_SPACING_FRACTIONAL_EVEN
:
371 partitioning
= V_028B6C_PART_FRAC_EVEN
;
373 case PIPE_TESS_SPACING_EQUAL
:
374 partitioning
= V_028B6C_PART_INTEGER
;
382 topology
= V_028B6C_OUTPUT_POINT
;
383 else if (tes_prim_mode
== PIPE_PRIM_LINES
)
384 topology
= V_028B6C_OUTPUT_LINE
;
385 else if (tes_vertex_order_cw
)
386 /* for some reason, this must be the other way around */
387 topology
= V_028B6C_OUTPUT_TRIANGLE_CCW
;
389 topology
= V_028B6C_OUTPUT_TRIANGLE_CW
;
391 if (sscreen
->has_distributed_tess
) {
392 if (sscreen
->info
.family
== CHIP_FIJI
||
393 sscreen
->info
.family
>= CHIP_POLARIS10
)
394 distribution_mode
= V_028B6C_DISTRIBUTION_MODE_TRAPEZOIDS
;
396 distribution_mode
= V_028B6C_DISTRIBUTION_MODE_DONUTS
;
398 distribution_mode
= V_028B6C_DISTRIBUTION_MODE_NO_DIST
;
400 si_pm4_set_reg(pm4
, R_028B6C_VGT_TF_PARAM
,
401 S_028B6C_TYPE(type
) |
402 S_028B6C_PARTITIONING(partitioning
) |
403 S_028B6C_TOPOLOGY(topology
) |
404 S_028B6C_DISTRIBUTION_MODE(distribution_mode
));
407 /* Polaris needs different VTX_REUSE_DEPTH settings depending on
408 * whether the "fractional odd" tessellation spacing is used.
410 * Possible VGT configurations and which state should set the register:
412 * Reg set in | VGT shader configuration | Value
413 * ------------------------------------------------------
415 * VS as ES | ES -> GS -> VS | 30
416 * TES as VS | LS -> HS -> VS | 14 or 30
417 * TES as ES | LS -> HS -> ES -> GS -> VS | 14 or 30
419 * If "shader" is NULL, it's assumed it's not LS or GS copy shader.
421 static void polaris_set_vgt_vertex_reuse(struct si_screen
*sscreen
,
422 struct si_shader_selector
*sel
,
423 struct si_shader
*shader
,
424 struct si_pm4_state
*pm4
)
426 unsigned type
= sel
->type
;
428 if (sscreen
->info
.family
< CHIP_POLARIS10
)
431 /* VS as VS, or VS as ES: */
432 if ((type
== PIPE_SHADER_VERTEX
&&
434 (!shader
->key
.as_ls
&& !shader
->is_gs_copy_shader
))) ||
435 /* TES as VS, or TES as ES: */
436 type
== PIPE_SHADER_TESS_EVAL
) {
437 unsigned vtx_reuse_depth
= 30;
439 if (type
== PIPE_SHADER_TESS_EVAL
&&
440 sel
->info
.properties
[TGSI_PROPERTY_TES_SPACING
] ==
441 PIPE_TESS_SPACING_FRACTIONAL_ODD
)
442 vtx_reuse_depth
= 14;
444 si_pm4_set_reg(pm4
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
,
449 static struct si_pm4_state
*si_get_shader_pm4_state(struct si_shader
*shader
)
452 si_pm4_clear_state(shader
->pm4
);
454 shader
->pm4
= CALLOC_STRUCT(si_pm4_state
);
459 static unsigned si_get_num_vs_user_sgprs(unsigned num_always_on_user_sgprs
)
461 /* Add the pointer to VBO descriptors. */
462 if (HAVE_32BIT_POINTERS
) {
463 return num_always_on_user_sgprs
+ 1;
465 assert(num_always_on_user_sgprs
% 2 == 0);
466 return num_always_on_user_sgprs
+ 2;
470 static void si_shader_ls(struct si_screen
*sscreen
, struct si_shader
*shader
)
472 struct si_pm4_state
*pm4
;
473 unsigned vgpr_comp_cnt
;
476 assert(sscreen
->info
.chip_class
<= VI
);
478 pm4
= si_get_shader_pm4_state(shader
);
482 va
= shader
->bo
->gpu_address
;
483 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
485 /* We need at least 2 components for LS.
486 * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
487 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
489 vgpr_comp_cnt
= shader
->info
.uses_instanceid
? 2 : 1;
491 si_pm4_set_reg(pm4
, R_00B520_SPI_SHADER_PGM_LO_LS
, va
>> 8);
492 si_pm4_set_reg(pm4
, R_00B524_SPI_SHADER_PGM_HI_LS
, S_00B524_MEM_BASE(va
>> 40));
494 shader
->config
.rsrc1
= S_00B528_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
495 S_00B528_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
496 S_00B528_VGPR_COMP_CNT(vgpr_comp_cnt
) |
497 S_00B528_DX10_CLAMP(1) |
498 S_00B528_FLOAT_MODE(shader
->config
.float_mode
);
499 shader
->config
.rsrc2
= S_00B52C_USER_SGPR(si_get_num_vs_user_sgprs(SI_VS_NUM_USER_SGPR
)) |
500 S_00B52C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0);
503 static void si_shader_hs(struct si_screen
*sscreen
, struct si_shader
*shader
)
505 struct si_pm4_state
*pm4
;
507 unsigned ls_vgpr_comp_cnt
= 0;
509 pm4
= si_get_shader_pm4_state(shader
);
513 va
= shader
->bo
->gpu_address
;
514 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
516 if (sscreen
->info
.chip_class
>= GFX9
) {
517 si_pm4_set_reg(pm4
, R_00B410_SPI_SHADER_PGM_LO_LS
, va
>> 8);
518 si_pm4_set_reg(pm4
, R_00B414_SPI_SHADER_PGM_HI_LS
, S_00B414_MEM_BASE(va
>> 40));
520 /* We need at least 2 components for LS.
521 * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
522 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
524 ls_vgpr_comp_cnt
= shader
->info
.uses_instanceid
? 2 : 1;
526 unsigned num_user_sgprs
=
527 si_get_num_vs_user_sgprs(GFX9_TCS_NUM_USER_SGPR
);
529 shader
->config
.rsrc2
=
530 S_00B42C_USER_SGPR(num_user_sgprs
) |
531 S_00B42C_USER_SGPR_MSB(num_user_sgprs
>> 5) |
532 S_00B42C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0);
534 si_pm4_set_reg(pm4
, R_00B420_SPI_SHADER_PGM_LO_HS
, va
>> 8);
535 si_pm4_set_reg(pm4
, R_00B424_SPI_SHADER_PGM_HI_HS
, S_00B424_MEM_BASE(va
>> 40));
537 shader
->config
.rsrc2
=
538 S_00B42C_USER_SGPR(GFX6_TCS_NUM_USER_SGPR
) |
539 S_00B42C_OC_LDS_EN(1) |
540 S_00B42C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0);
543 si_pm4_set_reg(pm4
, R_00B428_SPI_SHADER_PGM_RSRC1_HS
,
544 S_00B428_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
545 S_00B428_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
546 S_00B428_DX10_CLAMP(1) |
547 S_00B428_FLOAT_MODE(shader
->config
.float_mode
) |
548 S_00B428_LS_VGPR_COMP_CNT(ls_vgpr_comp_cnt
));
550 if (sscreen
->info
.chip_class
<= VI
) {
551 si_pm4_set_reg(pm4
, R_00B42C_SPI_SHADER_PGM_RSRC2_HS
,
552 shader
->config
.rsrc2
);
556 static void si_shader_es(struct si_screen
*sscreen
, struct si_shader
*shader
)
558 struct si_pm4_state
*pm4
;
559 unsigned num_user_sgprs
;
560 unsigned vgpr_comp_cnt
;
564 assert(sscreen
->info
.chip_class
<= VI
);
566 pm4
= si_get_shader_pm4_state(shader
);
570 va
= shader
->bo
->gpu_address
;
571 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
573 if (shader
->selector
->type
== PIPE_SHADER_VERTEX
) {
574 /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
575 vgpr_comp_cnt
= shader
->info
.uses_instanceid
? 1 : 0;
576 num_user_sgprs
= si_get_num_vs_user_sgprs(SI_VS_NUM_USER_SGPR
);
577 } else if (shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
) {
578 vgpr_comp_cnt
= shader
->selector
->info
.uses_primid
? 3 : 2;
579 num_user_sgprs
= SI_TES_NUM_USER_SGPR
;
581 unreachable("invalid shader selector type");
583 oc_lds_en
= shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
? 1 : 0;
585 si_pm4_set_reg(pm4
, R_028AAC_VGT_ESGS_RING_ITEMSIZE
,
586 shader
->selector
->esgs_itemsize
/ 4);
587 si_pm4_set_reg(pm4
, R_00B320_SPI_SHADER_PGM_LO_ES
, va
>> 8);
588 si_pm4_set_reg(pm4
, R_00B324_SPI_SHADER_PGM_HI_ES
, S_00B324_MEM_BASE(va
>> 40));
589 si_pm4_set_reg(pm4
, R_00B328_SPI_SHADER_PGM_RSRC1_ES
,
590 S_00B328_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
591 S_00B328_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
592 S_00B328_VGPR_COMP_CNT(vgpr_comp_cnt
) |
593 S_00B328_DX10_CLAMP(1) |
594 S_00B328_FLOAT_MODE(shader
->config
.float_mode
));
595 si_pm4_set_reg(pm4
, R_00B32C_SPI_SHADER_PGM_RSRC2_ES
,
596 S_00B32C_USER_SGPR(num_user_sgprs
) |
597 S_00B32C_OC_LDS_EN(oc_lds_en
) |
598 S_00B32C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0));
600 if (shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
)
601 si_set_tesseval_regs(sscreen
, shader
->selector
, pm4
);
603 polaris_set_vgt_vertex_reuse(sscreen
, shader
->selector
, shader
, pm4
);
606 static unsigned si_conv_prim_to_gs_out(unsigned mode
)
608 static const int prim_conv
[] = {
609 [PIPE_PRIM_POINTS
] = V_028A6C_OUTPRIM_TYPE_POINTLIST
,
610 [PIPE_PRIM_LINES
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
611 [PIPE_PRIM_LINE_LOOP
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
612 [PIPE_PRIM_LINE_STRIP
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
613 [PIPE_PRIM_TRIANGLES
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
614 [PIPE_PRIM_TRIANGLE_STRIP
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
615 [PIPE_PRIM_TRIANGLE_FAN
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
616 [PIPE_PRIM_QUADS
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
617 [PIPE_PRIM_QUAD_STRIP
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
618 [PIPE_PRIM_POLYGON
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
619 [PIPE_PRIM_LINES_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
620 [PIPE_PRIM_LINE_STRIP_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
621 [PIPE_PRIM_TRIANGLES_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
622 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
623 [PIPE_PRIM_PATCHES
] = V_028A6C_OUTPRIM_TYPE_POINTLIST
,
625 assert(mode
< ARRAY_SIZE(prim_conv
));
627 return prim_conv
[mode
];
630 struct gfx9_gs_info
{
631 unsigned es_verts_per_subgroup
;
632 unsigned gs_prims_per_subgroup
;
633 unsigned gs_inst_prims_in_subgroup
;
634 unsigned max_prims_per_subgroup
;
638 static void gfx9_get_gs_info(struct si_shader_selector
*es
,
639 struct si_shader_selector
*gs
,
640 struct gfx9_gs_info
*out
)
642 unsigned gs_num_invocations
= MAX2(gs
->gs_num_invocations
, 1);
643 unsigned input_prim
= gs
->info
.properties
[TGSI_PROPERTY_GS_INPUT_PRIM
];
644 bool uses_adjacency
= input_prim
>= PIPE_PRIM_LINES_ADJACENCY
&&
645 input_prim
<= PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
;
647 /* All these are in dwords: */
648 /* We can't allow using the whole LDS, because GS waves compete with
649 * other shader stages for LDS space. */
650 const unsigned max_lds_size
= 8 * 1024;
651 const unsigned esgs_itemsize
= es
->esgs_itemsize
/ 4;
652 unsigned esgs_lds_size
;
654 /* All these are per subgroup: */
655 const unsigned max_out_prims
= 32 * 1024;
656 const unsigned max_es_verts
= 255;
657 const unsigned ideal_gs_prims
= 64;
658 unsigned max_gs_prims
, gs_prims
;
659 unsigned min_es_verts
, es_verts
, worst_case_es_verts
;
661 assert(gs_num_invocations
<= 32); /* GL maximum */
663 if (uses_adjacency
|| gs_num_invocations
> 1)
664 max_gs_prims
= 127 / gs_num_invocations
;
668 /* MAX_PRIMS_PER_SUBGROUP = gs_prims * max_vert_out * gs_invocations.
669 * Make sure we don't go over the maximum value.
671 if (gs
->gs_max_out_vertices
> 0) {
672 max_gs_prims
= MIN2(max_gs_prims
,
674 (gs
->gs_max_out_vertices
* gs_num_invocations
));
676 assert(max_gs_prims
> 0);
678 /* If the primitive has adjacency, halve the number of vertices
679 * that will be reused in multiple primitives.
681 min_es_verts
= gs
->gs_input_verts_per_prim
/ (uses_adjacency
? 2 : 1);
683 gs_prims
= MIN2(ideal_gs_prims
, max_gs_prims
);
684 worst_case_es_verts
= MIN2(min_es_verts
* gs_prims
, max_es_verts
);
686 /* Compute ESGS LDS size based on the worst case number of ES vertices
687 * needed to create the target number of GS prims per subgroup.
689 esgs_lds_size
= esgs_itemsize
* worst_case_es_verts
;
691 /* If total LDS usage is too big, refactor partitions based on ratio
692 * of ESGS item sizes.
694 if (esgs_lds_size
> max_lds_size
) {
695 /* Our target GS Prims Per Subgroup was too large. Calculate
696 * the maximum number of GS Prims Per Subgroup that will fit
697 * into LDS, capped by the maximum that the hardware can support.
699 gs_prims
= MIN2((max_lds_size
/ (esgs_itemsize
* min_es_verts
)),
701 assert(gs_prims
> 0);
702 worst_case_es_verts
= MIN2(min_es_verts
* gs_prims
,
705 esgs_lds_size
= esgs_itemsize
* worst_case_es_verts
;
706 assert(esgs_lds_size
<= max_lds_size
);
709 /* Now calculate remaining ESGS information. */
711 es_verts
= MIN2(esgs_lds_size
/ esgs_itemsize
, max_es_verts
);
713 es_verts
= max_es_verts
;
715 /* Vertices for adjacency primitives are not always reused, so restore
716 * it for ES_VERTS_PER_SUBGRP.
718 min_es_verts
= gs
->gs_input_verts_per_prim
;
720 /* For normal primitives, the VGT only checks if they are past the ES
721 * verts per subgroup after allocating a full GS primitive and if they
722 * are, kick off a new subgroup. But if those additional ES verts are
723 * unique (e.g. not reused) we need to make sure there is enough LDS
724 * space to account for those ES verts beyond ES_VERTS_PER_SUBGRP.
726 es_verts
-= min_es_verts
- 1;
728 out
->es_verts_per_subgroup
= es_verts
;
729 out
->gs_prims_per_subgroup
= gs_prims
;
730 out
->gs_inst_prims_in_subgroup
= gs_prims
* gs_num_invocations
;
731 out
->max_prims_per_subgroup
= out
->gs_inst_prims_in_subgroup
*
732 gs
->gs_max_out_vertices
;
733 out
->lds_size
= align(esgs_lds_size
, 128) / 128;
735 assert(out
->max_prims_per_subgroup
<= max_out_prims
);
738 static void si_shader_gs(struct si_screen
*sscreen
, struct si_shader
*shader
)
740 struct si_shader_selector
*sel
= shader
->selector
;
741 const ubyte
*num_components
= sel
->info
.num_stream_output_components
;
742 unsigned gs_num_invocations
= sel
->gs_num_invocations
;
743 struct si_pm4_state
*pm4
;
745 unsigned max_stream
= sel
->max_gs_stream
;
748 pm4
= si_get_shader_pm4_state(shader
);
752 offset
= num_components
[0] * sel
->gs_max_out_vertices
;
753 si_pm4_set_reg(pm4
, R_028A60_VGT_GSVS_RING_OFFSET_1
, offset
);
755 offset
+= num_components
[1] * sel
->gs_max_out_vertices
;
756 si_pm4_set_reg(pm4
, R_028A64_VGT_GSVS_RING_OFFSET_2
, offset
);
758 offset
+= num_components
[2] * sel
->gs_max_out_vertices
;
759 si_pm4_set_reg(pm4
, R_028A68_VGT_GSVS_RING_OFFSET_3
, offset
);
760 si_pm4_set_reg(pm4
, R_028A6C_VGT_GS_OUT_PRIM_TYPE
,
761 si_conv_prim_to_gs_out(sel
->gs_output_prim
));
763 offset
+= num_components
[3] * sel
->gs_max_out_vertices
;
764 si_pm4_set_reg(pm4
, R_028AB0_VGT_GSVS_RING_ITEMSIZE
, offset
);
766 /* The GSVS_RING_ITEMSIZE register takes 15 bits */
767 assert(offset
< (1 << 15));
769 si_pm4_set_reg(pm4
, R_028B38_VGT_GS_MAX_VERT_OUT
, sel
->gs_max_out_vertices
);
771 si_pm4_set_reg(pm4
, R_028B5C_VGT_GS_VERT_ITEMSIZE
, num_components
[0]);
772 si_pm4_set_reg(pm4
, R_028B60_VGT_GS_VERT_ITEMSIZE_1
, (max_stream
>= 1) ? num_components
[1] : 0);
773 si_pm4_set_reg(pm4
, R_028B64_VGT_GS_VERT_ITEMSIZE_2
, (max_stream
>= 2) ? num_components
[2] : 0);
774 si_pm4_set_reg(pm4
, R_028B68_VGT_GS_VERT_ITEMSIZE_3
, (max_stream
>= 3) ? num_components
[3] : 0);
776 si_pm4_set_reg(pm4
, R_028B90_VGT_GS_INSTANCE_CNT
,
777 S_028B90_CNT(MIN2(gs_num_invocations
, 127)) |
778 S_028B90_ENABLE(gs_num_invocations
> 0));
780 va
= shader
->bo
->gpu_address
;
781 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
783 if (sscreen
->info
.chip_class
>= GFX9
) {
784 unsigned input_prim
= sel
->info
.properties
[TGSI_PROPERTY_GS_INPUT_PRIM
];
785 unsigned es_type
= shader
->key
.part
.gs
.es
->type
;
786 unsigned es_vgpr_comp_cnt
, gs_vgpr_comp_cnt
;
787 struct gfx9_gs_info gs_info
;
789 if (es_type
== PIPE_SHADER_VERTEX
)
790 /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
791 es_vgpr_comp_cnt
= shader
->info
.uses_instanceid
? 1 : 0;
792 else if (es_type
== PIPE_SHADER_TESS_EVAL
)
793 es_vgpr_comp_cnt
= shader
->key
.part
.gs
.es
->info
.uses_primid
? 3 : 2;
795 unreachable("invalid shader selector type");
797 /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and
798 * VGPR[0:4] are always loaded.
800 if (sel
->info
.uses_invocationid
)
801 gs_vgpr_comp_cnt
= 3; /* VGPR3 contains InvocationID. */
802 else if (sel
->info
.uses_primid
)
803 gs_vgpr_comp_cnt
= 2; /* VGPR2 contains PrimitiveID. */
804 else if (input_prim
>= PIPE_PRIM_TRIANGLES
)
805 gs_vgpr_comp_cnt
= 1; /* VGPR1 contains offsets 2, 3 */
807 gs_vgpr_comp_cnt
= 0; /* VGPR0 contains offsets 0, 1 */
809 unsigned num_user_sgprs
;
810 if (es_type
== PIPE_SHADER_VERTEX
)
811 num_user_sgprs
= si_get_num_vs_user_sgprs(GFX9_VSGS_NUM_USER_SGPR
);
813 num_user_sgprs
= GFX9_TESGS_NUM_USER_SGPR
;
815 gfx9_get_gs_info(shader
->key
.part
.gs
.es
, sel
, &gs_info
);
817 si_pm4_set_reg(pm4
, R_00B210_SPI_SHADER_PGM_LO_ES
, va
>> 8);
818 si_pm4_set_reg(pm4
, R_00B214_SPI_SHADER_PGM_HI_ES
, S_00B214_MEM_BASE(va
>> 40));
820 si_pm4_set_reg(pm4
, R_00B228_SPI_SHADER_PGM_RSRC1_GS
,
821 S_00B228_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
822 S_00B228_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
823 S_00B228_DX10_CLAMP(1) |
824 S_00B228_FLOAT_MODE(shader
->config
.float_mode
) |
825 S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt
));
826 si_pm4_set_reg(pm4
, R_00B22C_SPI_SHADER_PGM_RSRC2_GS
,
827 S_00B22C_USER_SGPR(num_user_sgprs
) |
828 S_00B22C_USER_SGPR_MSB(num_user_sgprs
>> 5) |
829 S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt
) |
830 S_00B22C_OC_LDS_EN(es_type
== PIPE_SHADER_TESS_EVAL
) |
831 S_00B22C_LDS_SIZE(gs_info
.lds_size
) |
832 S_00B22C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0));
834 si_pm4_set_reg(pm4
, R_028A44_VGT_GS_ONCHIP_CNTL
,
835 S_028A44_ES_VERTS_PER_SUBGRP(gs_info
.es_verts_per_subgroup
) |
836 S_028A44_GS_PRIMS_PER_SUBGRP(gs_info
.gs_prims_per_subgroup
) |
837 S_028A44_GS_INST_PRIMS_IN_SUBGRP(gs_info
.gs_inst_prims_in_subgroup
));
838 si_pm4_set_reg(pm4
, R_028A94_VGT_GS_MAX_PRIMS_PER_SUBGROUP
,
839 S_028A94_MAX_PRIMS_PER_SUBGROUP(gs_info
.max_prims_per_subgroup
));
840 si_pm4_set_reg(pm4
, R_028AAC_VGT_ESGS_RING_ITEMSIZE
,
841 shader
->key
.part
.gs
.es
->esgs_itemsize
/ 4);
843 if (es_type
== PIPE_SHADER_TESS_EVAL
)
844 si_set_tesseval_regs(sscreen
, shader
->key
.part
.gs
.es
, pm4
);
846 polaris_set_vgt_vertex_reuse(sscreen
, shader
->key
.part
.gs
.es
,
849 si_pm4_set_reg(pm4
, R_00B220_SPI_SHADER_PGM_LO_GS
, va
>> 8);
850 si_pm4_set_reg(pm4
, R_00B224_SPI_SHADER_PGM_HI_GS
, S_00B224_MEM_BASE(va
>> 40));
852 si_pm4_set_reg(pm4
, R_00B228_SPI_SHADER_PGM_RSRC1_GS
,
853 S_00B228_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
854 S_00B228_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
855 S_00B228_DX10_CLAMP(1) |
856 S_00B228_FLOAT_MODE(shader
->config
.float_mode
));
857 si_pm4_set_reg(pm4
, R_00B22C_SPI_SHADER_PGM_RSRC2_GS
,
858 S_00B22C_USER_SGPR(GFX6_GS_NUM_USER_SGPR
) |
859 S_00B22C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0));
864 * Compute the state for \p shader, which will run as a vertex shader on the
867 * If \p gs is non-NULL, it points to the geometry shader for which this shader
868 * is the copy shader.
870 static void si_shader_vs(struct si_screen
*sscreen
, struct si_shader
*shader
,
871 struct si_shader_selector
*gs
)
873 const struct tgsi_shader_info
*info
= &shader
->selector
->info
;
874 struct si_pm4_state
*pm4
;
875 unsigned num_user_sgprs
;
876 unsigned nparams
, vgpr_comp_cnt
;
879 unsigned window_space
=
880 info
->properties
[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
];
881 bool enable_prim_id
= shader
->key
.mono
.u
.vs_export_prim_id
|| info
->uses_primid
;
883 pm4
= si_get_shader_pm4_state(shader
);
887 /* We always write VGT_GS_MODE in the VS state, because every switch
888 * between different shader pipelines involving a different GS or no
889 * GS at all involves a switch of the VS (different GS use different
890 * copy shaders). On the other hand, when the API switches from a GS to
891 * no GS and then back to the same GS used originally, the GS state is
895 unsigned mode
= V_028A40_GS_OFF
;
897 /* PrimID needs GS scenario A. */
899 mode
= V_028A40_GS_SCENARIO_A
;
901 si_pm4_set_reg(pm4
, R_028A40_VGT_GS_MODE
, S_028A40_MODE(mode
));
902 si_pm4_set_reg(pm4
, R_028A84_VGT_PRIMITIVEID_EN
, enable_prim_id
);
904 si_pm4_set_reg(pm4
, R_028A40_VGT_GS_MODE
,
905 ac_vgt_gs_mode(gs
->gs_max_out_vertices
,
906 sscreen
->info
.chip_class
));
907 si_pm4_set_reg(pm4
, R_028A84_VGT_PRIMITIVEID_EN
, 0);
910 if (sscreen
->info
.chip_class
<= VI
) {
911 /* Reuse needs to be set off if we write oViewport. */
912 si_pm4_set_reg(pm4
, R_028AB4_VGT_REUSE_OFF
,
913 S_028AB4_REUSE_OFF(info
->writes_viewport_index
));
916 va
= shader
->bo
->gpu_address
;
917 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
920 vgpr_comp_cnt
= 0; /* only VertexID is needed for GS-COPY. */
921 num_user_sgprs
= SI_GSCOPY_NUM_USER_SGPR
;
922 } else if (shader
->selector
->type
== PIPE_SHADER_VERTEX
) {
923 /* VGPR0-3: (VertexID, InstanceID / StepRate0, PrimID, InstanceID)
924 * If PrimID is disabled. InstanceID / StepRate1 is loaded instead.
925 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
927 vgpr_comp_cnt
= enable_prim_id
? 2 : (shader
->info
.uses_instanceid
? 1 : 0);
929 if (info
->properties
[TGSI_PROPERTY_VS_BLIT_SGPRS
]) {
930 num_user_sgprs
= SI_SGPR_VS_BLIT_DATA
+
931 info
->properties
[TGSI_PROPERTY_VS_BLIT_SGPRS
];
933 num_user_sgprs
= si_get_num_vs_user_sgprs(SI_VS_NUM_USER_SGPR
);
935 } else if (shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
) {
936 vgpr_comp_cnt
= enable_prim_id
? 3 : 2;
937 num_user_sgprs
= SI_TES_NUM_USER_SGPR
;
939 unreachable("invalid shader selector type");
941 /* VS is required to export at least one param. */
942 nparams
= MAX2(shader
->info
.nr_param_exports
, 1);
943 si_pm4_set_reg(pm4
, R_0286C4_SPI_VS_OUT_CONFIG
,
944 S_0286C4_VS_EXPORT_COUNT(nparams
- 1));
946 si_pm4_set_reg(pm4
, R_02870C_SPI_SHADER_POS_FORMAT
,
947 S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP
) |
948 S_02870C_POS1_EXPORT_FORMAT(shader
->info
.nr_pos_exports
> 1 ?
949 V_02870C_SPI_SHADER_4COMP
:
950 V_02870C_SPI_SHADER_NONE
) |
951 S_02870C_POS2_EXPORT_FORMAT(shader
->info
.nr_pos_exports
> 2 ?
952 V_02870C_SPI_SHADER_4COMP
:
953 V_02870C_SPI_SHADER_NONE
) |
954 S_02870C_POS3_EXPORT_FORMAT(shader
->info
.nr_pos_exports
> 3 ?
955 V_02870C_SPI_SHADER_4COMP
:
956 V_02870C_SPI_SHADER_NONE
));
958 oc_lds_en
= shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
? 1 : 0;
960 si_pm4_set_reg(pm4
, R_00B120_SPI_SHADER_PGM_LO_VS
, va
>> 8);
961 si_pm4_set_reg(pm4
, R_00B124_SPI_SHADER_PGM_HI_VS
, S_00B124_MEM_BASE(va
>> 40));
962 si_pm4_set_reg(pm4
, R_00B128_SPI_SHADER_PGM_RSRC1_VS
,
963 S_00B128_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
964 S_00B128_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
965 S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt
) |
966 S_00B128_DX10_CLAMP(1) |
967 S_00B128_FLOAT_MODE(shader
->config
.float_mode
));
968 si_pm4_set_reg(pm4
, R_00B12C_SPI_SHADER_PGM_RSRC2_VS
,
969 S_00B12C_USER_SGPR(num_user_sgprs
) |
970 S_00B12C_OC_LDS_EN(oc_lds_en
) |
971 S_00B12C_SO_BASE0_EN(!!shader
->selector
->so
.stride
[0]) |
972 S_00B12C_SO_BASE1_EN(!!shader
->selector
->so
.stride
[1]) |
973 S_00B12C_SO_BASE2_EN(!!shader
->selector
->so
.stride
[2]) |
974 S_00B12C_SO_BASE3_EN(!!shader
->selector
->so
.stride
[3]) |
975 S_00B12C_SO_EN(!!shader
->selector
->so
.num_outputs
) |
976 S_00B12C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0));
978 si_pm4_set_reg(pm4
, R_028818_PA_CL_VTE_CNTL
,
979 S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1));
981 si_pm4_set_reg(pm4
, R_028818_PA_CL_VTE_CNTL
,
982 S_028818_VTX_W0_FMT(1) |
983 S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) |
984 S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) |
985 S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1));
987 if (shader
->selector
->type
== PIPE_SHADER_TESS_EVAL
)
988 si_set_tesseval_regs(sscreen
, shader
->selector
, pm4
);
990 polaris_set_vgt_vertex_reuse(sscreen
, shader
->selector
, shader
, pm4
);
993 static unsigned si_get_ps_num_interp(struct si_shader
*ps
)
995 struct tgsi_shader_info
*info
= &ps
->selector
->info
;
996 unsigned num_colors
= !!(info
->colors_read
& 0x0f) +
997 !!(info
->colors_read
& 0xf0);
998 unsigned num_interp
= ps
->selector
->info
.num_inputs
+
999 (ps
->key
.part
.ps
.prolog
.color_two_side
? num_colors
: 0);
1001 assert(num_interp
<= 32);
1002 return MIN2(num_interp
, 32);
1005 static unsigned si_get_spi_shader_col_format(struct si_shader
*shader
)
1007 unsigned value
= shader
->key
.part
.ps
.epilog
.spi_shader_col_format
;
1008 unsigned i
, num_targets
= (util_last_bit(value
) + 3) / 4;
1010 /* If the i-th target format is set, all previous target formats must
1011 * be non-zero to avoid hangs.
1013 for (i
= 0; i
< num_targets
; i
++)
1014 if (!(value
& (0xf << (i
* 4))))
1015 value
|= V_028714_SPI_SHADER_32_R
<< (i
* 4);
1020 static void si_shader_ps(struct si_shader
*shader
)
1022 struct tgsi_shader_info
*info
= &shader
->selector
->info
;
1023 struct si_pm4_state
*pm4
;
1024 unsigned spi_ps_in_control
, spi_shader_col_format
, cb_shader_mask
;
1025 unsigned spi_baryc_cntl
= S_0286E0_FRONT_FACE_ALL_BITS(1);
1027 unsigned input_ena
= shader
->config
.spi_ps_input_ena
;
1029 /* we need to enable at least one of them, otherwise we hang the GPU */
1030 assert(G_0286CC_PERSP_SAMPLE_ENA(input_ena
) ||
1031 G_0286CC_PERSP_CENTER_ENA(input_ena
) ||
1032 G_0286CC_PERSP_CENTROID_ENA(input_ena
) ||
1033 G_0286CC_PERSP_PULL_MODEL_ENA(input_ena
) ||
1034 G_0286CC_LINEAR_SAMPLE_ENA(input_ena
) ||
1035 G_0286CC_LINEAR_CENTER_ENA(input_ena
) ||
1036 G_0286CC_LINEAR_CENTROID_ENA(input_ena
) ||
1037 G_0286CC_LINE_STIPPLE_TEX_ENA(input_ena
));
1038 /* POS_W_FLOAT_ENA requires one of the perspective weights. */
1039 assert(!G_0286CC_POS_W_FLOAT_ENA(input_ena
) ||
1040 G_0286CC_PERSP_SAMPLE_ENA(input_ena
) ||
1041 G_0286CC_PERSP_CENTER_ENA(input_ena
) ||
1042 G_0286CC_PERSP_CENTROID_ENA(input_ena
) ||
1043 G_0286CC_PERSP_PULL_MODEL_ENA(input_ena
));
1045 /* Validate interpolation optimization flags (read as implications). */
1046 assert(!shader
->key
.part
.ps
.prolog
.bc_optimize_for_persp
||
1047 (G_0286CC_PERSP_CENTER_ENA(input_ena
) &&
1048 G_0286CC_PERSP_CENTROID_ENA(input_ena
)));
1049 assert(!shader
->key
.part
.ps
.prolog
.bc_optimize_for_linear
||
1050 (G_0286CC_LINEAR_CENTER_ENA(input_ena
) &&
1051 G_0286CC_LINEAR_CENTROID_ENA(input_ena
)));
1052 assert(!shader
->key
.part
.ps
.prolog
.force_persp_center_interp
||
1053 (!G_0286CC_PERSP_SAMPLE_ENA(input_ena
) &&
1054 !G_0286CC_PERSP_CENTROID_ENA(input_ena
)));
1055 assert(!shader
->key
.part
.ps
.prolog
.force_linear_center_interp
||
1056 (!G_0286CC_LINEAR_SAMPLE_ENA(input_ena
) &&
1057 !G_0286CC_LINEAR_CENTROID_ENA(input_ena
)));
1058 assert(!shader
->key
.part
.ps
.prolog
.force_persp_sample_interp
||
1059 (!G_0286CC_PERSP_CENTER_ENA(input_ena
) &&
1060 !G_0286CC_PERSP_CENTROID_ENA(input_ena
)));
1061 assert(!shader
->key
.part
.ps
.prolog
.force_linear_sample_interp
||
1062 (!G_0286CC_LINEAR_CENTER_ENA(input_ena
) &&
1063 !G_0286CC_LINEAR_CENTROID_ENA(input_ena
)));
1065 /* Validate cases when the optimizations are off (read as implications). */
1066 assert(shader
->key
.part
.ps
.prolog
.bc_optimize_for_persp
||
1067 !G_0286CC_PERSP_CENTER_ENA(input_ena
) ||
1068 !G_0286CC_PERSP_CENTROID_ENA(input_ena
));
1069 assert(shader
->key
.part
.ps
.prolog
.bc_optimize_for_linear
||
1070 !G_0286CC_LINEAR_CENTER_ENA(input_ena
) ||
1071 !G_0286CC_LINEAR_CENTROID_ENA(input_ena
));
1073 pm4
= si_get_shader_pm4_state(shader
);
1077 /* SPI_BARYC_CNTL.POS_FLOAT_LOCATION
1079 * 0 -> Position = pixel center
1080 * 1 -> Position = pixel centroid
1081 * 2 -> Position = at sample position
1083 * From GLSL 4.5 specification, section 7.1:
1084 * "The variable gl_FragCoord is available as an input variable from
1085 * within fragment shaders and it holds the window relative coordinates
1086 * (x, y, z, 1/w) values for the fragment. If multi-sampling, this
1087 * value can be for any location within the pixel, or one of the
1088 * fragment samples. The use of centroid does not further restrict
1089 * this value to be inside the current primitive."
1091 * Meaning that centroid has no effect and we can return anything within
1092 * the pixel. Thus, return the value at sample position, because that's
1093 * the most accurate one shaders can get.
1095 spi_baryc_cntl
|= S_0286E0_POS_FLOAT_LOCATION(2);
1097 if (info
->properties
[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER
] ==
1098 TGSI_FS_COORD_PIXEL_CENTER_INTEGER
)
1099 spi_baryc_cntl
|= S_0286E0_POS_FLOAT_ULC(1);
1101 spi_shader_col_format
= si_get_spi_shader_col_format(shader
);
1102 cb_shader_mask
= ac_get_cb_shader_mask(spi_shader_col_format
);
1104 /* Ensure that some export memory is always allocated, for two reasons:
1106 * 1) Correctness: The hardware ignores the EXEC mask if no export
1107 * memory is allocated, so KILL and alpha test do not work correctly
1109 * 2) Performance: Every shader needs at least a NULL export, even when
1110 * it writes no color/depth output. The NULL export instruction
1111 * stalls without this setting.
1113 * Don't add this to CB_SHADER_MASK.
1115 if (!spi_shader_col_format
&&
1116 !info
->writes_z
&& !info
->writes_stencil
&& !info
->writes_samplemask
)
1117 spi_shader_col_format
= V_028714_SPI_SHADER_32_R
;
1119 si_pm4_set_reg(pm4
, R_0286CC_SPI_PS_INPUT_ENA
, input_ena
);
1120 si_pm4_set_reg(pm4
, R_0286D0_SPI_PS_INPUT_ADDR
,
1121 shader
->config
.spi_ps_input_addr
);
1123 /* Set interpolation controls. */
1124 spi_ps_in_control
= S_0286D8_NUM_INTERP(si_get_ps_num_interp(shader
));
1126 /* Set registers. */
1127 si_pm4_set_reg(pm4
, R_0286E0_SPI_BARYC_CNTL
, spi_baryc_cntl
);
1128 si_pm4_set_reg(pm4
, R_0286D8_SPI_PS_IN_CONTROL
, spi_ps_in_control
);
1130 si_pm4_set_reg(pm4
, R_028710_SPI_SHADER_Z_FORMAT
,
1131 ac_get_spi_shader_z_format(info
->writes_z
,
1132 info
->writes_stencil
,
1133 info
->writes_samplemask
));
1135 si_pm4_set_reg(pm4
, R_028714_SPI_SHADER_COL_FORMAT
, spi_shader_col_format
);
1136 si_pm4_set_reg(pm4
, R_02823C_CB_SHADER_MASK
, cb_shader_mask
);
1138 va
= shader
->bo
->gpu_address
;
1139 si_pm4_add_bo(pm4
, shader
->bo
, RADEON_USAGE_READ
, RADEON_PRIO_SHADER_BINARY
);
1140 si_pm4_set_reg(pm4
, R_00B020_SPI_SHADER_PGM_LO_PS
, va
>> 8);
1141 si_pm4_set_reg(pm4
, R_00B024_SPI_SHADER_PGM_HI_PS
, S_00B024_MEM_BASE(va
>> 40));
1143 si_pm4_set_reg(pm4
, R_00B028_SPI_SHADER_PGM_RSRC1_PS
,
1144 S_00B028_VGPRS((shader
->config
.num_vgprs
- 1) / 4) |
1145 S_00B028_SGPRS((shader
->config
.num_sgprs
- 1) / 8) |
1146 S_00B028_DX10_CLAMP(1) |
1147 S_00B028_FLOAT_MODE(shader
->config
.float_mode
));
1148 si_pm4_set_reg(pm4
, R_00B02C_SPI_SHADER_PGM_RSRC2_PS
,
1149 S_00B02C_EXTRA_LDS_SIZE(shader
->config
.lds_size
) |
1150 S_00B02C_USER_SGPR(SI_PS_NUM_USER_SGPR
) |
1151 S_00B32C_SCRATCH_EN(shader
->config
.scratch_bytes_per_wave
> 0));
1154 static void si_shader_init_pm4_state(struct si_screen
*sscreen
,
1155 struct si_shader
*shader
)
1157 switch (shader
->selector
->type
) {
1158 case PIPE_SHADER_VERTEX
:
1159 if (shader
->key
.as_ls
)
1160 si_shader_ls(sscreen
, shader
);
1161 else if (shader
->key
.as_es
)
1162 si_shader_es(sscreen
, shader
);
1164 si_shader_vs(sscreen
, shader
, NULL
);
1166 case PIPE_SHADER_TESS_CTRL
:
1167 si_shader_hs(sscreen
, shader
);
1169 case PIPE_SHADER_TESS_EVAL
:
1170 if (shader
->key
.as_es
)
1171 si_shader_es(sscreen
, shader
);
1173 si_shader_vs(sscreen
, shader
, NULL
);
1175 case PIPE_SHADER_GEOMETRY
:
1176 si_shader_gs(sscreen
, shader
);
1178 case PIPE_SHADER_FRAGMENT
:
1179 si_shader_ps(shader
);
1186 static unsigned si_get_alpha_test_func(struct si_context
*sctx
)
1188 /* Alpha-test should be disabled if colorbuffer 0 is integer. */
1189 if (sctx
->queued
.named
.dsa
)
1190 return sctx
->queued
.named
.dsa
->alpha_func
;
1192 return PIPE_FUNC_ALWAYS
;
1195 static void si_shader_selector_key_vs(struct si_context
*sctx
,
1196 struct si_shader_selector
*vs
,
1197 struct si_shader_key
*key
,
1198 struct si_vs_prolog_bits
*prolog_key
)
1200 if (!sctx
->vertex_elements
)
1203 prolog_key
->instance_divisor_is_one
=
1204 sctx
->vertex_elements
->instance_divisor_is_one
;
1205 prolog_key
->instance_divisor_is_fetched
=
1206 sctx
->vertex_elements
->instance_divisor_is_fetched
;
1208 /* Prefer a monolithic shader to allow scheduling divisions around
1210 if (prolog_key
->instance_divisor_is_fetched
)
1211 key
->opt
.prefer_mono
= 1;
1213 unsigned count
= MIN2(vs
->info
.num_inputs
,
1214 sctx
->vertex_elements
->count
);
1215 memcpy(key
->mono
.vs_fix_fetch
, sctx
->vertex_elements
->fix_fetch
, count
);
1218 static void si_shader_selector_key_hw_vs(struct si_context
*sctx
,
1219 struct si_shader_selector
*vs
,
1220 struct si_shader_key
*key
)
1222 struct si_shader_selector
*ps
= sctx
->ps_shader
.cso
;
1224 key
->opt
.clip_disable
=
1225 sctx
->queued
.named
.rasterizer
->clip_plane_enable
== 0 &&
1226 (vs
->info
.clipdist_writemask
||
1227 vs
->info
.writes_clipvertex
) &&
1228 !vs
->info
.culldist_writemask
;
1230 /* Find out if PS is disabled. */
1231 bool ps_disabled
= true;
1233 const struct si_state_blend
*blend
= sctx
->queued
.named
.blend
;
1234 bool alpha_to_coverage
= blend
&& blend
->alpha_to_coverage
;
1235 bool ps_modifies_zs
= ps
->info
.uses_kill
||
1236 ps
->info
.writes_z
||
1237 ps
->info
.writes_stencil
||
1238 ps
->info
.writes_samplemask
||
1239 alpha_to_coverage
||
1240 si_get_alpha_test_func(sctx
) != PIPE_FUNC_ALWAYS
;
1241 unsigned ps_colormask
= si_get_total_colormask(sctx
);
1243 ps_disabled
= sctx
->queued
.named
.rasterizer
->rasterizer_discard
||
1246 !ps
->info
.writes_memory
);
1249 /* Find out which VS outputs aren't used by the PS. */
1250 uint64_t outputs_written
= vs
->outputs_written_before_ps
;
1251 uint64_t inputs_read
= 0;
1253 /* Ignore outputs that are not passed from VS to PS. */
1254 outputs_written
&= ~((1ull << si_shader_io_get_unique_index(TGSI_SEMANTIC_POSITION
, 0, true)) |
1255 (1ull << si_shader_io_get_unique_index(TGSI_SEMANTIC_PSIZE
, 0, true)) |
1256 (1ull << si_shader_io_get_unique_index(TGSI_SEMANTIC_CLIPVERTEX
, 0, true)));
1259 inputs_read
= ps
->inputs_read
;
1262 uint64_t linked
= outputs_written
& inputs_read
;
1264 key
->opt
.kill_outputs
= ~linked
& outputs_written
;
1267 /* Compute the key for the hw shader variant */
1268 static inline void si_shader_selector_key(struct pipe_context
*ctx
,
1269 struct si_shader_selector
*sel
,
1270 struct si_shader_key
*key
)
1272 struct si_context
*sctx
= (struct si_context
*)ctx
;
1274 memset(key
, 0, sizeof(*key
));
1276 switch (sel
->type
) {
1277 case PIPE_SHADER_VERTEX
:
1278 si_shader_selector_key_vs(sctx
, sel
, key
, &key
->part
.vs
.prolog
);
1280 if (sctx
->tes_shader
.cso
)
1282 else if (sctx
->gs_shader
.cso
)
1285 si_shader_selector_key_hw_vs(sctx
, sel
, key
);
1287 if (sctx
->ps_shader
.cso
&& sctx
->ps_shader
.cso
->info
.uses_primid
)
1288 key
->mono
.u
.vs_export_prim_id
= 1;
1291 case PIPE_SHADER_TESS_CTRL
:
1292 if (sctx
->chip_class
>= GFX9
) {
1293 si_shader_selector_key_vs(sctx
, sctx
->vs_shader
.cso
,
1294 key
, &key
->part
.tcs
.ls_prolog
);
1295 key
->part
.tcs
.ls
= sctx
->vs_shader
.cso
;
1297 /* When the LS VGPR fix is needed, monolithic shaders
1299 * - avoid initializing EXEC in both the LS prolog
1300 * and the LS main part when !vs_needs_prolog
1301 * - remove the fixup for unused input VGPRs
1303 key
->part
.tcs
.ls_prolog
.ls_vgpr_fix
= sctx
->ls_vgpr_fix
;
1305 /* The LS output / HS input layout can be communicated
1306 * directly instead of via user SGPRs for merged LS-HS.
1307 * The LS VGPR fix prefers this too.
1309 key
->opt
.prefer_mono
= 1;
1312 key
->part
.tcs
.epilog
.prim_mode
=
1313 sctx
->tes_shader
.cso
->info
.properties
[TGSI_PROPERTY_TES_PRIM_MODE
];
1314 key
->part
.tcs
.epilog
.invoc0_tess_factors_are_def
=
1315 sel
->tcs_info
.tessfactors_are_def_in_all_invocs
;
1316 key
->part
.tcs
.epilog
.tes_reads_tess_factors
=
1317 sctx
->tes_shader
.cso
->info
.reads_tess_factors
;
1319 if (sel
== sctx
->fixed_func_tcs_shader
.cso
)
1320 key
->mono
.u
.ff_tcs_inputs_to_copy
= sctx
->vs_shader
.cso
->outputs_written
;
1322 case PIPE_SHADER_TESS_EVAL
:
1323 if (sctx
->gs_shader
.cso
)
1326 si_shader_selector_key_hw_vs(sctx
, sel
, key
);
1328 if (sctx
->ps_shader
.cso
&& sctx
->ps_shader
.cso
->info
.uses_primid
)
1329 key
->mono
.u
.vs_export_prim_id
= 1;
1332 case PIPE_SHADER_GEOMETRY
:
1333 if (sctx
->chip_class
>= GFX9
) {
1334 if (sctx
->tes_shader
.cso
) {
1335 key
->part
.gs
.es
= sctx
->tes_shader
.cso
;
1337 si_shader_selector_key_vs(sctx
, sctx
->vs_shader
.cso
,
1338 key
, &key
->part
.gs
.vs_prolog
);
1339 key
->part
.gs
.es
= sctx
->vs_shader
.cso
;
1340 key
->part
.gs
.prolog
.gfx9_prev_is_vs
= 1;
1343 /* Merged ES-GS can have unbalanced wave usage.
1345 * ES threads are per-vertex, while GS threads are
1346 * per-primitive. So without any amplification, there
1347 * are fewer GS threads than ES threads, which can result
1348 * in empty (no-op) GS waves. With too much amplification,
1349 * there are more GS threads than ES threads, which
1350 * can result in empty (no-op) ES waves.
1352 * Non-monolithic shaders are implemented by setting EXEC
1353 * at the beginning of shader parts, and don't jump to
1354 * the end if EXEC is 0.
1356 * Monolithic shaders use conditional blocks, so they can
1357 * jump and skip empty waves of ES or GS. So set this to
1358 * always use optimized variants, which are monolithic.
1360 key
->opt
.prefer_mono
= 1;
1362 key
->part
.gs
.prolog
.tri_strip_adj_fix
= sctx
->gs_tri_strip_adj_fix
;
1364 case PIPE_SHADER_FRAGMENT
: {
1365 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
1366 struct si_state_blend
*blend
= sctx
->queued
.named
.blend
;
1368 if (sel
->info
.properties
[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
] &&
1369 sel
->info
.colors_written
== 0x1)
1370 key
->part
.ps
.epilog
.last_cbuf
= MAX2(sctx
->framebuffer
.state
.nr_cbufs
, 1) - 1;
1373 /* Select the shader color format based on whether
1374 * blending or alpha are needed.
1376 key
->part
.ps
.epilog
.spi_shader_col_format
=
1377 (blend
->blend_enable_4bit
& blend
->need_src_alpha_4bit
&
1378 sctx
->framebuffer
.spi_shader_col_format_blend_alpha
) |
1379 (blend
->blend_enable_4bit
& ~blend
->need_src_alpha_4bit
&
1380 sctx
->framebuffer
.spi_shader_col_format_blend
) |
1381 (~blend
->blend_enable_4bit
& blend
->need_src_alpha_4bit
&
1382 sctx
->framebuffer
.spi_shader_col_format_alpha
) |
1383 (~blend
->blend_enable_4bit
& ~blend
->need_src_alpha_4bit
&
1384 sctx
->framebuffer
.spi_shader_col_format
);
1385 key
->part
.ps
.epilog
.spi_shader_col_format
&= blend
->cb_target_enabled_4bit
;
1387 /* The output for dual source blending should have
1388 * the same format as the first output.
1390 if (blend
->dual_src_blend
)
1391 key
->part
.ps
.epilog
.spi_shader_col_format
|=
1392 (key
->part
.ps
.epilog
.spi_shader_col_format
& 0xf) << 4;
1394 key
->part
.ps
.epilog
.spi_shader_col_format
= sctx
->framebuffer
.spi_shader_col_format
;
1396 /* If alpha-to-coverage is enabled, we have to export alpha
1397 * even if there is no color buffer.
1399 if (!(key
->part
.ps
.epilog
.spi_shader_col_format
& 0xf) &&
1400 blend
&& blend
->alpha_to_coverage
)
1401 key
->part
.ps
.epilog
.spi_shader_col_format
|= V_028710_SPI_SHADER_32_AR
;
1403 /* On SI and CIK except Hawaii, the CB doesn't clamp outputs
1404 * to the range supported by the type if a channel has less
1405 * than 16 bits and the export format is 16_ABGR.
1407 if (sctx
->chip_class
<= CIK
&& sctx
->family
!= CHIP_HAWAII
) {
1408 key
->part
.ps
.epilog
.color_is_int8
= sctx
->framebuffer
.color_is_int8
;
1409 key
->part
.ps
.epilog
.color_is_int10
= sctx
->framebuffer
.color_is_int10
;
1412 /* Disable unwritten outputs (if WRITE_ALL_CBUFS isn't enabled). */
1413 if (!key
->part
.ps
.epilog
.last_cbuf
) {
1414 key
->part
.ps
.epilog
.spi_shader_col_format
&= sel
->colors_written_4bit
;
1415 key
->part
.ps
.epilog
.color_is_int8
&= sel
->info
.colors_written
;
1416 key
->part
.ps
.epilog
.color_is_int10
&= sel
->info
.colors_written
;
1419 bool is_poly
= !util_prim_is_points_or_lines(sctx
->current_rast_prim
);
1420 bool is_line
= util_prim_is_lines(sctx
->current_rast_prim
);
1422 key
->part
.ps
.prolog
.color_two_side
= rs
->two_side
&& sel
->info
.colors_read
;
1423 key
->part
.ps
.prolog
.flatshade_colors
= rs
->flatshade
&& sel
->info
.colors_read
;
1425 if (sctx
->queued
.named
.blend
) {
1426 key
->part
.ps
.epilog
.alpha_to_one
= sctx
->queued
.named
.blend
->alpha_to_one
&&
1427 rs
->multisample_enable
;
1430 key
->part
.ps
.prolog
.poly_stipple
= rs
->poly_stipple_enable
&& is_poly
;
1431 key
->part
.ps
.epilog
.poly_line_smoothing
= ((is_poly
&& rs
->poly_smooth
) ||
1432 (is_line
&& rs
->line_smooth
)) &&
1433 sctx
->framebuffer
.nr_samples
<= 1;
1434 key
->part
.ps
.epilog
.clamp_color
= rs
->clamp_fragment_color
;
1436 if (sctx
->ps_iter_samples
> 1 &&
1437 sel
->info
.reads_samplemask
) {
1438 key
->part
.ps
.prolog
.samplemask_log_ps_iter
=
1439 util_logbase2(sctx
->ps_iter_samples
);
1442 if (rs
->force_persample_interp
&&
1443 rs
->multisample_enable
&&
1444 sctx
->framebuffer
.nr_samples
> 1 &&
1445 sctx
->ps_iter_samples
> 1) {
1446 key
->part
.ps
.prolog
.force_persp_sample_interp
=
1447 sel
->info
.uses_persp_center
||
1448 sel
->info
.uses_persp_centroid
;
1450 key
->part
.ps
.prolog
.force_linear_sample_interp
=
1451 sel
->info
.uses_linear_center
||
1452 sel
->info
.uses_linear_centroid
;
1453 } else if (rs
->multisample_enable
&&
1454 sctx
->framebuffer
.nr_samples
> 1) {
1455 key
->part
.ps
.prolog
.bc_optimize_for_persp
=
1456 sel
->info
.uses_persp_center
&&
1457 sel
->info
.uses_persp_centroid
;
1458 key
->part
.ps
.prolog
.bc_optimize_for_linear
=
1459 sel
->info
.uses_linear_center
&&
1460 sel
->info
.uses_linear_centroid
;
1462 /* Make sure SPI doesn't compute more than 1 pair
1463 * of (i,j), which is the optimization here. */
1464 key
->part
.ps
.prolog
.force_persp_center_interp
=
1465 sel
->info
.uses_persp_center
+
1466 sel
->info
.uses_persp_centroid
+
1467 sel
->info
.uses_persp_sample
> 1;
1469 key
->part
.ps
.prolog
.force_linear_center_interp
=
1470 sel
->info
.uses_linear_center
+
1471 sel
->info
.uses_linear_centroid
+
1472 sel
->info
.uses_linear_sample
> 1;
1474 if (sel
->info
.opcode_count
[TGSI_OPCODE_INTERP_SAMPLE
])
1475 key
->mono
.u
.ps
.interpolate_at_sample_force_center
= 1;
1478 key
->part
.ps
.epilog
.alpha_func
= si_get_alpha_test_func(sctx
);
1480 /* ps_uses_fbfetch is true only if the color buffer is bound. */
1481 if (sctx
->ps_uses_fbfetch
) {
1482 struct pipe_surface
*cb0
= sctx
->framebuffer
.state
.cbufs
[0];
1483 struct pipe_resource
*tex
= cb0
->texture
;
1485 /* 1D textures are allocated and used as 2D on GFX9. */
1486 key
->mono
.u
.ps
.fbfetch_msaa
= sctx
->framebuffer
.nr_samples
> 1;
1487 key
->mono
.u
.ps
.fbfetch_is_1D
= sctx
->chip_class
!= GFX9
&&
1488 (tex
->target
== PIPE_TEXTURE_1D
||
1489 tex
->target
== PIPE_TEXTURE_1D_ARRAY
);
1490 key
->mono
.u
.ps
.fbfetch_layered
= tex
->target
== PIPE_TEXTURE_1D_ARRAY
||
1491 tex
->target
== PIPE_TEXTURE_2D_ARRAY
||
1492 tex
->target
== PIPE_TEXTURE_CUBE
||
1493 tex
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
1494 tex
->target
== PIPE_TEXTURE_3D
;
1502 if (unlikely(sctx
->screen
->debug_flags
& DBG(NO_OPT_VARIANT
)))
1503 memset(&key
->opt
, 0, sizeof(key
->opt
));
1506 static void si_build_shader_variant(struct si_shader
*shader
,
1510 struct si_shader_selector
*sel
= shader
->selector
;
1511 struct si_screen
*sscreen
= sel
->screen
;
1512 struct ac_llvm_compiler
*compiler
;
1513 struct pipe_debug_callback
*debug
= &shader
->compiler_ctx_state
.debug
;
1516 if (thread_index
>= 0) {
1518 assert(thread_index
< ARRAY_SIZE(sscreen
->compiler_lowp
));
1519 compiler
= &sscreen
->compiler_lowp
[thread_index
];
1521 assert(thread_index
< ARRAY_SIZE(sscreen
->compiler
));
1522 compiler
= &sscreen
->compiler
[thread_index
];
1527 assert(!low_priority
);
1528 compiler
= shader
->compiler_ctx_state
.compiler
;
1531 r
= si_shader_create(sscreen
, compiler
, shader
, debug
);
1533 PRINT_ERR("Failed to build shader variant (type=%u) %d\n",
1535 shader
->compilation_failed
= true;
1539 if (shader
->compiler_ctx_state
.is_debug_context
) {
1540 FILE *f
= open_memstream(&shader
->shader_log
,
1541 &shader
->shader_log_size
);
1543 si_shader_dump(sscreen
, shader
, NULL
, sel
->type
, f
, false);
1548 si_shader_init_pm4_state(sscreen
, shader
);
1551 static void si_build_shader_variant_low_priority(void *job
, int thread_index
)
1553 struct si_shader
*shader
= (struct si_shader
*)job
;
1555 assert(thread_index
>= 0);
1557 si_build_shader_variant(shader
, thread_index
, true);
1560 static const struct si_shader_key zeroed
;
1562 static bool si_check_missing_main_part(struct si_screen
*sscreen
,
1563 struct si_shader_selector
*sel
,
1564 struct si_compiler_ctx_state
*compiler_state
,
1565 struct si_shader_key
*key
)
1567 struct si_shader
**mainp
= si_get_main_shader_part(sel
, key
);
1570 struct si_shader
*main_part
= CALLOC_STRUCT(si_shader
);
1575 /* We can leave the fence as permanently signaled because the
1576 * main part becomes visible globally only after it has been
1578 util_queue_fence_init(&main_part
->ready
);
1580 main_part
->selector
= sel
;
1581 main_part
->key
.as_es
= key
->as_es
;
1582 main_part
->key
.as_ls
= key
->as_ls
;
1583 main_part
->is_monolithic
= false;
1585 if (si_compile_tgsi_shader(sscreen
, compiler_state
->compiler
,
1586 main_part
, &compiler_state
->debug
) != 0) {
1595 /* Select the hw shader variant depending on the current state. */
1596 static int si_shader_select_with_key(struct si_screen
*sscreen
,
1597 struct si_shader_ctx_state
*state
,
1598 struct si_compiler_ctx_state
*compiler_state
,
1599 struct si_shader_key
*key
,
1602 struct si_shader_selector
*sel
= state
->cso
;
1603 struct si_shader_selector
*previous_stage_sel
= NULL
;
1604 struct si_shader
*current
= state
->current
;
1605 struct si_shader
*iter
, *shader
= NULL
;
1608 /* Check if we don't need to change anything.
1609 * This path is also used for most shaders that don't need multiple
1610 * variants, it will cost just a computation of the key and this
1612 if (likely(current
&&
1613 memcmp(¤t
->key
, key
, sizeof(*key
)) == 0)) {
1614 if (unlikely(!util_queue_fence_is_signalled(¤t
->ready
))) {
1615 if (current
->is_optimized
) {
1616 memset(&key
->opt
, 0, sizeof(key
->opt
));
1617 goto current_not_ready
;
1620 util_queue_fence_wait(¤t
->ready
);
1623 return current
->compilation_failed
? -1 : 0;
1627 /* This must be done before the mutex is locked, because async GS
1628 * compilation calls this function too, and therefore must enter
1631 * Only wait if we are in a draw call. Don't wait if we are
1632 * in a compiler thread.
1634 if (thread_index
< 0)
1635 util_queue_fence_wait(&sel
->ready
);
1637 mtx_lock(&sel
->mutex
);
1639 /* Find the shader variant. */
1640 for (iter
= sel
->first_variant
; iter
; iter
= iter
->next_variant
) {
1641 /* Don't check the "current" shader. We checked it above. */
1642 if (current
!= iter
&&
1643 memcmp(&iter
->key
, key
, sizeof(*key
)) == 0) {
1644 mtx_unlock(&sel
->mutex
);
1646 if (unlikely(!util_queue_fence_is_signalled(&iter
->ready
))) {
1647 /* If it's an optimized shader and its compilation has
1648 * been started but isn't done, use the unoptimized
1649 * shader so as not to cause a stall due to compilation.
1651 if (iter
->is_optimized
) {
1652 memset(&key
->opt
, 0, sizeof(key
->opt
));
1656 util_queue_fence_wait(&iter
->ready
);
1659 if (iter
->compilation_failed
) {
1660 return -1; /* skip the draw call */
1663 state
->current
= iter
;
1668 /* Build a new shader. */
1669 shader
= CALLOC_STRUCT(si_shader
);
1671 mtx_unlock(&sel
->mutex
);
1675 util_queue_fence_init(&shader
->ready
);
1677 shader
->selector
= sel
;
1679 shader
->compiler_ctx_state
= *compiler_state
;
1681 /* If this is a merged shader, get the first shader's selector. */
1682 if (sscreen
->info
.chip_class
>= GFX9
) {
1683 if (sel
->type
== PIPE_SHADER_TESS_CTRL
)
1684 previous_stage_sel
= key
->part
.tcs
.ls
;
1685 else if (sel
->type
== PIPE_SHADER_GEOMETRY
)
1686 previous_stage_sel
= key
->part
.gs
.es
;
1688 /* We need to wait for the previous shader. */
1689 if (previous_stage_sel
&& thread_index
< 0)
1690 util_queue_fence_wait(&previous_stage_sel
->ready
);
1693 /* Compile the main shader part if it doesn't exist. This can happen
1694 * if the initial guess was wrong. */
1695 bool is_pure_monolithic
=
1696 sscreen
->use_monolithic_shaders
||
1697 memcmp(&key
->mono
, &zeroed
.mono
, sizeof(key
->mono
)) != 0;
1699 if (!is_pure_monolithic
) {
1702 /* Make sure the main shader part is present. This is needed
1703 * for shaders that can be compiled as VS, LS, or ES, and only
1704 * one of them is compiled at creation.
1706 * For merged shaders, check that the starting shader's main
1709 if (previous_stage_sel
) {
1710 struct si_shader_key shader1_key
= zeroed
;
1712 if (sel
->type
== PIPE_SHADER_TESS_CTRL
)
1713 shader1_key
.as_ls
= 1;
1714 else if (sel
->type
== PIPE_SHADER_GEOMETRY
)
1715 shader1_key
.as_es
= 1;
1719 mtx_lock(&previous_stage_sel
->mutex
);
1720 ok
= si_check_missing_main_part(sscreen
,
1722 compiler_state
, &shader1_key
);
1723 mtx_unlock(&previous_stage_sel
->mutex
);
1725 ok
= si_check_missing_main_part(sscreen
, sel
,
1726 compiler_state
, key
);
1730 mtx_unlock(&sel
->mutex
);
1731 return -ENOMEM
; /* skip the draw call */
1735 /* Keep the reference to the 1st shader of merged shaders, so that
1736 * Gallium can't destroy it before we destroy the 2nd shader.
1738 * Set sctx = NULL, because it's unused if we're not releasing
1739 * the shader, and we don't have any sctx here.
1741 si_shader_selector_reference(NULL
, &shader
->previous_stage_sel
,
1742 previous_stage_sel
);
1744 /* Monolithic-only shaders don't make a distinction between optimized
1745 * and unoptimized. */
1746 shader
->is_monolithic
=
1747 is_pure_monolithic
||
1748 memcmp(&key
->opt
, &zeroed
.opt
, sizeof(key
->opt
)) != 0;
1750 shader
->is_optimized
=
1751 !is_pure_monolithic
&&
1752 memcmp(&key
->opt
, &zeroed
.opt
, sizeof(key
->opt
)) != 0;
1754 /* If it's an optimized shader, compile it asynchronously. */
1755 if (shader
->is_optimized
&&
1756 !is_pure_monolithic
&&
1758 /* Compile it asynchronously. */
1759 util_queue_add_job(&sscreen
->shader_compiler_queue_low_priority
,
1760 shader
, &shader
->ready
,
1761 si_build_shader_variant_low_priority
, NULL
);
1763 /* Add only after the ready fence was reset, to guard against a
1764 * race with si_bind_XX_shader. */
1765 if (!sel
->last_variant
) {
1766 sel
->first_variant
= shader
;
1767 sel
->last_variant
= shader
;
1769 sel
->last_variant
->next_variant
= shader
;
1770 sel
->last_variant
= shader
;
1773 /* Use the default (unoptimized) shader for now. */
1774 memset(&key
->opt
, 0, sizeof(key
->opt
));
1775 mtx_unlock(&sel
->mutex
);
1779 /* Reset the fence before adding to the variant list. */
1780 util_queue_fence_reset(&shader
->ready
);
1782 if (!sel
->last_variant
) {
1783 sel
->first_variant
= shader
;
1784 sel
->last_variant
= shader
;
1786 sel
->last_variant
->next_variant
= shader
;
1787 sel
->last_variant
= shader
;
1790 mtx_unlock(&sel
->mutex
);
1792 assert(!shader
->is_optimized
);
1793 si_build_shader_variant(shader
, thread_index
, false);
1795 util_queue_fence_signal(&shader
->ready
);
1797 if (!shader
->compilation_failed
)
1798 state
->current
= shader
;
1800 return shader
->compilation_failed
? -1 : 0;
1803 static int si_shader_select(struct pipe_context
*ctx
,
1804 struct si_shader_ctx_state
*state
,
1805 struct si_compiler_ctx_state
*compiler_state
)
1807 struct si_context
*sctx
= (struct si_context
*)ctx
;
1808 struct si_shader_key key
;
1810 si_shader_selector_key(ctx
, state
->cso
, &key
);
1811 return si_shader_select_with_key(sctx
->screen
, state
, compiler_state
,
1815 static void si_parse_next_shader_property(const struct tgsi_shader_info
*info
,
1817 struct si_shader_key
*key
)
1819 unsigned next_shader
= info
->properties
[TGSI_PROPERTY_NEXT_SHADER
];
1821 switch (info
->processor
) {
1822 case PIPE_SHADER_VERTEX
:
1823 switch (next_shader
) {
1824 case PIPE_SHADER_GEOMETRY
:
1827 case PIPE_SHADER_TESS_CTRL
:
1828 case PIPE_SHADER_TESS_EVAL
:
1832 /* If POSITION isn't written, it can only be a HW VS
1833 * if streamout is used. If streamout isn't used,
1834 * assume that it's a HW LS. (the next shader is TCS)
1835 * This heuristic is needed for separate shader objects.
1837 if (!info
->writes_position
&& !streamout
)
1842 case PIPE_SHADER_TESS_EVAL
:
1843 if (next_shader
== PIPE_SHADER_GEOMETRY
||
1844 !info
->writes_position
)
1851 * Compile the main shader part or the monolithic shader as part of
1852 * si_shader_selector initialization. Since it can be done asynchronously,
1853 * there is no way to report compile failures to applications.
1855 static void si_init_shader_selector_async(void *job
, int thread_index
)
1857 struct si_shader_selector
*sel
= (struct si_shader_selector
*)job
;
1858 struct si_screen
*sscreen
= sel
->screen
;
1859 struct ac_llvm_compiler
*compiler
;
1860 struct pipe_debug_callback
*debug
= &sel
->compiler_ctx_state
.debug
;
1862 assert(!debug
->debug_message
|| debug
->async
);
1863 assert(thread_index
>= 0);
1864 assert(thread_index
< ARRAY_SIZE(sscreen
->compiler
));
1865 compiler
= &sscreen
->compiler
[thread_index
];
1867 /* Compile the main shader part for use with a prolog and/or epilog.
1868 * If this fails, the driver will try to compile a monolithic shader
1871 if (!sscreen
->use_monolithic_shaders
) {
1872 struct si_shader
*shader
= CALLOC_STRUCT(si_shader
);
1873 void *ir_binary
= NULL
;
1876 fprintf(stderr
, "radeonsi: can't allocate a main shader part\n");
1880 /* We can leave the fence signaled because use of the default
1881 * main part is guarded by the selector's ready fence. */
1882 util_queue_fence_init(&shader
->ready
);
1884 shader
->selector
= sel
;
1885 shader
->is_monolithic
= false;
1886 si_parse_next_shader_property(&sel
->info
,
1887 sel
->so
.num_outputs
!= 0,
1890 if (sel
->tokens
|| sel
->nir
)
1891 ir_binary
= si_get_ir_binary(sel
);
1893 /* Try to load the shader from the shader cache. */
1894 mtx_lock(&sscreen
->shader_cache_mutex
);
1897 si_shader_cache_load_shader(sscreen
, ir_binary
, shader
)) {
1898 mtx_unlock(&sscreen
->shader_cache_mutex
);
1899 si_shader_dump_stats_for_shader_db(shader
, debug
);
1901 mtx_unlock(&sscreen
->shader_cache_mutex
);
1903 /* Compile the shader if it hasn't been loaded from the cache. */
1904 if (si_compile_tgsi_shader(sscreen
, compiler
, shader
,
1908 fprintf(stderr
, "radeonsi: can't compile a main shader part\n");
1913 mtx_lock(&sscreen
->shader_cache_mutex
);
1914 if (!si_shader_cache_insert_shader(sscreen
, ir_binary
, shader
, true))
1916 mtx_unlock(&sscreen
->shader_cache_mutex
);
1920 *si_get_main_shader_part(sel
, &shader
->key
) = shader
;
1922 /* Unset "outputs_written" flags for outputs converted to
1923 * DEFAULT_VAL, so that later inter-shader optimizations don't
1924 * try to eliminate outputs that don't exist in the final
1927 * This is only done if non-monolithic shaders are enabled.
1929 if ((sel
->type
== PIPE_SHADER_VERTEX
||
1930 sel
->type
== PIPE_SHADER_TESS_EVAL
) &&
1931 !shader
->key
.as_ls
&&
1932 !shader
->key
.as_es
) {
1935 for (i
= 0; i
< sel
->info
.num_outputs
; i
++) {
1936 unsigned offset
= shader
->info
.vs_output_param_offset
[i
];
1938 if (offset
<= AC_EXP_PARAM_OFFSET_31
)
1941 unsigned name
= sel
->info
.output_semantic_name
[i
];
1942 unsigned index
= sel
->info
.output_semantic_index
[i
];
1946 case TGSI_SEMANTIC_GENERIC
:
1947 /* don't process indices the function can't handle */
1948 if (index
>= SI_MAX_IO_GENERIC
)
1952 id
= si_shader_io_get_unique_index(name
, index
, true);
1953 sel
->outputs_written_before_ps
&= ~(1ull << id
);
1955 case TGSI_SEMANTIC_POSITION
: /* ignore these */
1956 case TGSI_SEMANTIC_PSIZE
:
1957 case TGSI_SEMANTIC_CLIPVERTEX
:
1958 case TGSI_SEMANTIC_EDGEFLAG
:
1965 /* The GS copy shader is always pre-compiled. */
1966 if (sel
->type
== PIPE_SHADER_GEOMETRY
) {
1967 sel
->gs_copy_shader
= si_generate_gs_copy_shader(sscreen
, compiler
, sel
, debug
);
1968 if (!sel
->gs_copy_shader
) {
1969 fprintf(stderr
, "radeonsi: can't create GS copy shader\n");
1973 si_shader_vs(sscreen
, sel
->gs_copy_shader
, sel
);
1977 void si_schedule_initial_compile(struct si_context
*sctx
, unsigned processor
,
1978 struct util_queue_fence
*ready_fence
,
1979 struct si_compiler_ctx_state
*compiler_ctx_state
,
1980 void *job
, util_queue_execute_func execute
)
1982 util_queue_fence_init(ready_fence
);
1984 struct util_async_debug_callback async_debug
;
1986 (sctx
->debug
.debug_message
&& !sctx
->debug
.async
) ||
1988 si_can_dump_shader(sctx
->screen
, processor
);
1991 u_async_debug_init(&async_debug
);
1992 compiler_ctx_state
->debug
= async_debug
.base
;
1995 util_queue_add_job(&sctx
->screen
->shader_compiler_queue
, job
,
1996 ready_fence
, execute
, NULL
);
1999 util_queue_fence_wait(ready_fence
);
2000 u_async_debug_drain(&async_debug
, &sctx
->debug
);
2001 u_async_debug_cleanup(&async_debug
);
2005 /* Return descriptor slot usage masks from the given shader info. */
2006 void si_get_active_slot_masks(const struct tgsi_shader_info
*info
,
2007 uint32_t *const_and_shader_buffers
,
2008 uint64_t *samplers_and_images
)
2010 unsigned start
, num_shaderbufs
, num_constbufs
, num_images
, num_samplers
;
2012 num_shaderbufs
= util_last_bit(info
->shader_buffers_declared
);
2013 num_constbufs
= util_last_bit(info
->const_buffers_declared
);
2014 /* two 8-byte images share one 16-byte slot */
2015 num_images
= align(util_last_bit(info
->images_declared
), 2);
2016 num_samplers
= util_last_bit(info
->samplers_declared
);
2018 /* The layout is: sb[last] ... sb[0], cb[0] ... cb[last] */
2019 start
= si_get_shaderbuf_slot(num_shaderbufs
- 1);
2020 *const_and_shader_buffers
=
2021 u_bit_consecutive(start
, num_shaderbufs
+ num_constbufs
);
2023 /* The layout is: image[last] ... image[0], sampler[0] ... sampler[last] */
2024 start
= si_get_image_slot(num_images
- 1) / 2;
2025 *samplers_and_images
=
2026 u_bit_consecutive64(start
, num_images
/ 2 + num_samplers
);
2029 static void *si_create_shader_selector(struct pipe_context
*ctx
,
2030 const struct pipe_shader_state
*state
)
2032 struct si_screen
*sscreen
= (struct si_screen
*)ctx
->screen
;
2033 struct si_context
*sctx
= (struct si_context
*)ctx
;
2034 struct si_shader_selector
*sel
= CALLOC_STRUCT(si_shader_selector
);
2040 pipe_reference_init(&sel
->reference
, 1);
2041 sel
->screen
= sscreen
;
2042 sel
->compiler_ctx_state
.debug
= sctx
->debug
;
2043 sel
->compiler_ctx_state
.is_debug_context
= sctx
->is_debug
;
2045 sel
->so
= state
->stream_output
;
2047 if (state
->type
== PIPE_SHADER_IR_TGSI
) {
2048 sel
->tokens
= tgsi_dup_tokens(state
->tokens
);
2054 tgsi_scan_shader(state
->tokens
, &sel
->info
);
2055 tgsi_scan_tess_ctrl(state
->tokens
, &sel
->info
, &sel
->tcs_info
);
2057 assert(state
->type
== PIPE_SHADER_IR_NIR
);
2059 sel
->nir
= state
->ir
.nir
;
2061 si_nir_scan_shader(sel
->nir
, &sel
->info
);
2062 si_nir_scan_tess_ctrl(sel
->nir
, &sel
->info
, &sel
->tcs_info
);
2067 sel
->type
= sel
->info
.processor
;
2068 p_atomic_inc(&sscreen
->num_shaders_created
);
2069 si_get_active_slot_masks(&sel
->info
,
2070 &sel
->active_const_and_shader_buffers
,
2071 &sel
->active_samplers_and_images
);
2073 /* Record which streamout buffers are enabled. */
2074 for (i
= 0; i
< sel
->so
.num_outputs
; i
++) {
2075 sel
->enabled_streamout_buffer_mask
|=
2076 (1 << sel
->so
.output
[i
].output_buffer
) <<
2077 (sel
->so
.output
[i
].stream
* 4);
2080 /* The prolog is a no-op if there are no inputs. */
2081 sel
->vs_needs_prolog
= sel
->type
== PIPE_SHADER_VERTEX
&&
2082 sel
->info
.num_inputs
&&
2083 !sel
->info
.properties
[TGSI_PROPERTY_VS_BLIT_SGPRS
];
2085 sel
->force_correct_derivs_after_kill
=
2086 sel
->type
== PIPE_SHADER_FRAGMENT
&&
2087 sel
->info
.uses_derivatives
&&
2088 sel
->info
.uses_kill
&&
2089 sctx
->screen
->debug_flags
& DBG(FS_CORRECT_DERIVS_AFTER_KILL
);
2091 /* Set which opcode uses which (i,j) pair. */
2092 if (sel
->info
.uses_persp_opcode_interp_centroid
)
2093 sel
->info
.uses_persp_centroid
= true;
2095 if (sel
->info
.uses_linear_opcode_interp_centroid
)
2096 sel
->info
.uses_linear_centroid
= true;
2098 if (sel
->info
.uses_persp_opcode_interp_offset
||
2099 sel
->info
.uses_persp_opcode_interp_sample
)
2100 sel
->info
.uses_persp_center
= true;
2102 if (sel
->info
.uses_linear_opcode_interp_offset
||
2103 sel
->info
.uses_linear_opcode_interp_sample
)
2104 sel
->info
.uses_linear_center
= true;
2106 switch (sel
->type
) {
2107 case PIPE_SHADER_GEOMETRY
:
2108 sel
->gs_output_prim
=
2109 sel
->info
.properties
[TGSI_PROPERTY_GS_OUTPUT_PRIM
];
2110 sel
->gs_max_out_vertices
=
2111 sel
->info
.properties
[TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
];
2112 sel
->gs_num_invocations
=
2113 sel
->info
.properties
[TGSI_PROPERTY_GS_INVOCATIONS
];
2114 sel
->gsvs_vertex_size
= sel
->info
.num_outputs
* 16;
2115 sel
->max_gsvs_emit_size
= sel
->gsvs_vertex_size
*
2116 sel
->gs_max_out_vertices
;
2118 sel
->max_gs_stream
= 0;
2119 for (i
= 0; i
< sel
->so
.num_outputs
; i
++)
2120 sel
->max_gs_stream
= MAX2(sel
->max_gs_stream
,
2121 sel
->so
.output
[i
].stream
);
2123 sel
->gs_input_verts_per_prim
=
2124 u_vertices_per_prim(sel
->info
.properties
[TGSI_PROPERTY_GS_INPUT_PRIM
]);
2127 case PIPE_SHADER_TESS_CTRL
:
2128 /* Always reserve space for these. */
2129 sel
->patch_outputs_written
|=
2130 (1ull << si_shader_io_get_unique_index_patch(TGSI_SEMANTIC_TESSINNER
, 0)) |
2131 (1ull << si_shader_io_get_unique_index_patch(TGSI_SEMANTIC_TESSOUTER
, 0));
2133 case PIPE_SHADER_VERTEX
:
2134 case PIPE_SHADER_TESS_EVAL
:
2135 for (i
= 0; i
< sel
->info
.num_outputs
; i
++) {
2136 unsigned name
= sel
->info
.output_semantic_name
[i
];
2137 unsigned index
= sel
->info
.output_semantic_index
[i
];
2140 case TGSI_SEMANTIC_TESSINNER
:
2141 case TGSI_SEMANTIC_TESSOUTER
:
2142 case TGSI_SEMANTIC_PATCH
:
2143 sel
->patch_outputs_written
|=
2144 1ull << si_shader_io_get_unique_index_patch(name
, index
);
2147 case TGSI_SEMANTIC_GENERIC
:
2148 /* don't process indices the function can't handle */
2149 if (index
>= SI_MAX_IO_GENERIC
)
2153 sel
->outputs_written
|=
2154 1ull << si_shader_io_get_unique_index(name
, index
, false);
2155 sel
->outputs_written_before_ps
|=
2156 1ull << si_shader_io_get_unique_index(name
, index
, true);
2158 case TGSI_SEMANTIC_EDGEFLAG
:
2162 sel
->esgs_itemsize
= util_last_bit64(sel
->outputs_written
) * 16;
2164 /* For the ESGS ring in LDS, add 1 dword to reduce LDS bank
2165 * conflicts, i.e. each vertex will start at a different bank.
2167 if (sctx
->chip_class
>= GFX9
)
2168 sel
->esgs_itemsize
+= 4;
2170 assert(((sel
->esgs_itemsize
/ 4) & C_028AAC_ITEMSIZE
) == 0);
2173 case PIPE_SHADER_FRAGMENT
:
2174 for (i
= 0; i
< sel
->info
.num_inputs
; i
++) {
2175 unsigned name
= sel
->info
.input_semantic_name
[i
];
2176 unsigned index
= sel
->info
.input_semantic_index
[i
];
2179 case TGSI_SEMANTIC_GENERIC
:
2180 /* don't process indices the function can't handle */
2181 if (index
>= SI_MAX_IO_GENERIC
)
2186 1ull << si_shader_io_get_unique_index(name
, index
, true);
2188 case TGSI_SEMANTIC_PCOORD
: /* ignore this */
2193 for (i
= 0; i
< 8; i
++)
2194 if (sel
->info
.colors_written
& (1 << i
))
2195 sel
->colors_written_4bit
|= 0xf << (4 * i
);
2197 for (i
= 0; i
< sel
->info
.num_inputs
; i
++) {
2198 if (sel
->info
.input_semantic_name
[i
] == TGSI_SEMANTIC_COLOR
) {
2199 int index
= sel
->info
.input_semantic_index
[i
];
2200 sel
->color_attr_index
[index
] = i
;
2206 /* PA_CL_VS_OUT_CNTL */
2208 sel
->info
.writes_psize
|| sel
->info
.writes_edgeflag
||
2209 sel
->info
.writes_layer
|| sel
->info
.writes_viewport_index
;
2210 sel
->pa_cl_vs_out_cntl
=
2211 S_02881C_USE_VTX_POINT_SIZE(sel
->info
.writes_psize
) |
2212 S_02881C_USE_VTX_EDGE_FLAG(sel
->info
.writes_edgeflag
) |
2213 S_02881C_USE_VTX_RENDER_TARGET_INDX(sel
->info
.writes_layer
) |
2214 S_02881C_USE_VTX_VIEWPORT_INDX(sel
->info
.writes_viewport_index
) |
2215 S_02881C_VS_OUT_MISC_VEC_ENA(misc_vec_ena
) |
2216 S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(misc_vec_ena
);
2217 sel
->clipdist_mask
= sel
->info
.writes_clipvertex
?
2218 SIX_BITS
: sel
->info
.clipdist_writemask
;
2219 sel
->culldist_mask
= sel
->info
.culldist_writemask
<<
2220 sel
->info
.num_written_clipdistance
;
2222 /* DB_SHADER_CONTROL */
2223 sel
->db_shader_control
=
2224 S_02880C_Z_EXPORT_ENABLE(sel
->info
.writes_z
) |
2225 S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(sel
->info
.writes_stencil
) |
2226 S_02880C_MASK_EXPORT_ENABLE(sel
->info
.writes_samplemask
) |
2227 S_02880C_KILL_ENABLE(sel
->info
.uses_kill
);
2229 switch (sel
->info
.properties
[TGSI_PROPERTY_FS_DEPTH_LAYOUT
]) {
2230 case TGSI_FS_DEPTH_LAYOUT_GREATER
:
2231 sel
->db_shader_control
|=
2232 S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z
);
2234 case TGSI_FS_DEPTH_LAYOUT_LESS
:
2235 sel
->db_shader_control
|=
2236 S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z
);
2240 /* Z_ORDER, EXEC_ON_HIER_FAIL and EXEC_ON_NOOP should be set as following:
2242 * | early Z/S | writes_mem | allow_ReZ? | Z_ORDER | EXEC_ON_HIER_FAIL | EXEC_ON_NOOP
2243 * --|-----------|------------|------------|--------------------|-------------------|-------------
2244 * 1a| false | false | true | EarlyZ_Then_ReZ | 0 | 0
2245 * 1b| false | false | false | EarlyZ_Then_LateZ | 0 | 0
2246 * 2 | false | true | n/a | LateZ | 1 | 0
2247 * 3 | true | false | n/a | EarlyZ_Then_LateZ | 0 | 0
2248 * 4 | true | true | n/a | EarlyZ_Then_LateZ | 0 | 1
2250 * In cases 3 and 4, HW will force Z_ORDER to EarlyZ regardless of what's set in the register.
2251 * In case 2, NOOP_CULL is a don't care field. In case 2, 3 and 4, ReZ doesn't make sense.
2253 * Don't use ReZ without profiling !!!
2255 * ReZ decreases performance by 15% in DiRT: Showdown on Ultra settings, which has pretty complex
2258 if (sel
->info
.properties
[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL
]) {
2260 sel
->db_shader_control
|= S_02880C_DEPTH_BEFORE_SHADER(1) |
2261 S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z
) |
2262 S_02880C_EXEC_ON_NOOP(sel
->info
.writes_memory
);
2263 } else if (sel
->info
.writes_memory
) {
2265 sel
->db_shader_control
|= S_02880C_Z_ORDER(V_02880C_LATE_Z
) |
2266 S_02880C_EXEC_ON_HIER_FAIL(1);
2269 sel
->db_shader_control
|= S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z
);
2272 (void) mtx_init(&sel
->mutex
, mtx_plain
);
2274 si_schedule_initial_compile(sctx
, sel
->info
.processor
, &sel
->ready
,
2275 &sel
->compiler_ctx_state
, sel
,
2276 si_init_shader_selector_async
);
2280 static void si_update_streamout_state(struct si_context
*sctx
)
2282 struct si_shader_selector
*shader_with_so
= si_get_vs(sctx
)->cso
;
2284 if (!shader_with_so
)
2287 sctx
->streamout
.enabled_stream_buffers_mask
=
2288 shader_with_so
->enabled_streamout_buffer_mask
;
2289 sctx
->streamout
.stride_in_dw
= shader_with_so
->so
.stride
;
2292 static void si_update_clip_regs(struct si_context
*sctx
,
2293 struct si_shader_selector
*old_hw_vs
,
2294 struct si_shader
*old_hw_vs_variant
,
2295 struct si_shader_selector
*next_hw_vs
,
2296 struct si_shader
*next_hw_vs_variant
)
2300 old_hw_vs
->info
.properties
[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
] !=
2301 next_hw_vs
->info
.properties
[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
] ||
2302 old_hw_vs
->pa_cl_vs_out_cntl
!= next_hw_vs
->pa_cl_vs_out_cntl
||
2303 old_hw_vs
->clipdist_mask
!= next_hw_vs
->clipdist_mask
||
2304 old_hw_vs
->culldist_mask
!= next_hw_vs
->culldist_mask
||
2305 !old_hw_vs_variant
||
2306 !next_hw_vs_variant
||
2307 old_hw_vs_variant
->key
.opt
.clip_disable
!=
2308 next_hw_vs_variant
->key
.opt
.clip_disable
))
2309 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.clip_regs
);
2312 static void si_update_common_shader_state(struct si_context
*sctx
)
2314 sctx
->uses_bindless_samplers
=
2315 si_shader_uses_bindless_samplers(sctx
->vs_shader
.cso
) ||
2316 si_shader_uses_bindless_samplers(sctx
->gs_shader
.cso
) ||
2317 si_shader_uses_bindless_samplers(sctx
->ps_shader
.cso
) ||
2318 si_shader_uses_bindless_samplers(sctx
->tcs_shader
.cso
) ||
2319 si_shader_uses_bindless_samplers(sctx
->tes_shader
.cso
);
2320 sctx
->uses_bindless_images
=
2321 si_shader_uses_bindless_images(sctx
->vs_shader
.cso
) ||
2322 si_shader_uses_bindless_images(sctx
->gs_shader
.cso
) ||
2323 si_shader_uses_bindless_images(sctx
->ps_shader
.cso
) ||
2324 si_shader_uses_bindless_images(sctx
->tcs_shader
.cso
) ||
2325 si_shader_uses_bindless_images(sctx
->tes_shader
.cso
);
2326 sctx
->do_update_shaders
= true;
2329 static void si_bind_vs_shader(struct pipe_context
*ctx
, void *state
)
2331 struct si_context
*sctx
= (struct si_context
*)ctx
;
2332 struct si_shader_selector
*old_hw_vs
= si_get_vs(sctx
)->cso
;
2333 struct si_shader
*old_hw_vs_variant
= si_get_vs_state(sctx
);
2334 struct si_shader_selector
*sel
= state
;
2336 if (sctx
->vs_shader
.cso
== sel
)
2339 sctx
->vs_shader
.cso
= sel
;
2340 sctx
->vs_shader
.current
= sel
? sel
->first_variant
: NULL
;
2341 sctx
->num_vs_blit_sgprs
= sel
? sel
->info
.properties
[TGSI_PROPERTY_VS_BLIT_SGPRS
] : 0;
2343 si_update_common_shader_state(sctx
);
2344 si_update_vs_viewport_state(sctx
);
2345 si_set_active_descriptors_for_shader(sctx
, sel
);
2346 si_update_streamout_state(sctx
);
2347 si_update_clip_regs(sctx
, old_hw_vs
, old_hw_vs_variant
,
2348 si_get_vs(sctx
)->cso
, si_get_vs_state(sctx
));
2351 static void si_update_tess_uses_prim_id(struct si_context
*sctx
)
2353 sctx
->ia_multi_vgt_param_key
.u
.tess_uses_prim_id
=
2354 (sctx
->tes_shader
.cso
&&
2355 sctx
->tes_shader
.cso
->info
.uses_primid
) ||
2356 (sctx
->tcs_shader
.cso
&&
2357 sctx
->tcs_shader
.cso
->info
.uses_primid
) ||
2358 (sctx
->gs_shader
.cso
&&
2359 sctx
->gs_shader
.cso
->info
.uses_primid
) ||
2360 (sctx
->ps_shader
.cso
&& !sctx
->gs_shader
.cso
&&
2361 sctx
->ps_shader
.cso
->info
.uses_primid
);
2364 static void si_bind_gs_shader(struct pipe_context
*ctx
, void *state
)
2366 struct si_context
*sctx
= (struct si_context
*)ctx
;
2367 struct si_shader_selector
*old_hw_vs
= si_get_vs(sctx
)->cso
;
2368 struct si_shader
*old_hw_vs_variant
= si_get_vs_state(sctx
);
2369 struct si_shader_selector
*sel
= state
;
2370 bool enable_changed
= !!sctx
->gs_shader
.cso
!= !!sel
;
2372 if (sctx
->gs_shader
.cso
== sel
)
2375 sctx
->gs_shader
.cso
= sel
;
2376 sctx
->gs_shader
.current
= sel
? sel
->first_variant
: NULL
;
2377 sctx
->ia_multi_vgt_param_key
.u
.uses_gs
= sel
!= NULL
;
2379 si_update_common_shader_state(sctx
);
2380 sctx
->last_rast_prim
= -1; /* reset this so that it gets updated */
2382 if (enable_changed
) {
2383 si_shader_change_notify(sctx
);
2384 if (sctx
->ia_multi_vgt_param_key
.u
.uses_tess
)
2385 si_update_tess_uses_prim_id(sctx
);
2387 si_update_vs_viewport_state(sctx
);
2388 si_set_active_descriptors_for_shader(sctx
, sel
);
2389 si_update_streamout_state(sctx
);
2390 si_update_clip_regs(sctx
, old_hw_vs
, old_hw_vs_variant
,
2391 si_get_vs(sctx
)->cso
, si_get_vs_state(sctx
));
2394 static void si_bind_tcs_shader(struct pipe_context
*ctx
, void *state
)
2396 struct si_context
*sctx
= (struct si_context
*)ctx
;
2397 struct si_shader_selector
*sel
= state
;
2398 bool enable_changed
= !!sctx
->tcs_shader
.cso
!= !!sel
;
2400 if (sctx
->tcs_shader
.cso
== sel
)
2403 sctx
->tcs_shader
.cso
= sel
;
2404 sctx
->tcs_shader
.current
= sel
? sel
->first_variant
: NULL
;
2405 si_update_tess_uses_prim_id(sctx
);
2407 si_update_common_shader_state(sctx
);
2410 sctx
->last_tcs
= NULL
; /* invalidate derived tess state */
2412 si_set_active_descriptors_for_shader(sctx
, sel
);
2415 static void si_bind_tes_shader(struct pipe_context
*ctx
, void *state
)
2417 struct si_context
*sctx
= (struct si_context
*)ctx
;
2418 struct si_shader_selector
*old_hw_vs
= si_get_vs(sctx
)->cso
;
2419 struct si_shader
*old_hw_vs_variant
= si_get_vs_state(sctx
);
2420 struct si_shader_selector
*sel
= state
;
2421 bool enable_changed
= !!sctx
->tes_shader
.cso
!= !!sel
;
2423 if (sctx
->tes_shader
.cso
== sel
)
2426 sctx
->tes_shader
.cso
= sel
;
2427 sctx
->tes_shader
.current
= sel
? sel
->first_variant
: NULL
;
2428 sctx
->ia_multi_vgt_param_key
.u
.uses_tess
= sel
!= NULL
;
2429 si_update_tess_uses_prim_id(sctx
);
2431 si_update_common_shader_state(sctx
);
2432 sctx
->last_rast_prim
= -1; /* reset this so that it gets updated */
2434 if (enable_changed
) {
2435 si_shader_change_notify(sctx
);
2436 sctx
->last_tes_sh_base
= -1; /* invalidate derived tess state */
2438 si_update_vs_viewport_state(sctx
);
2439 si_set_active_descriptors_for_shader(sctx
, sel
);
2440 si_update_streamout_state(sctx
);
2441 si_update_clip_regs(sctx
, old_hw_vs
, old_hw_vs_variant
,
2442 si_get_vs(sctx
)->cso
, si_get_vs_state(sctx
));
2445 static void si_bind_ps_shader(struct pipe_context
*ctx
, void *state
)
2447 struct si_context
*sctx
= (struct si_context
*)ctx
;
2448 struct si_shader_selector
*old_sel
= sctx
->ps_shader
.cso
;
2449 struct si_shader_selector
*sel
= state
;
2451 /* skip if supplied shader is one already in use */
2455 sctx
->ps_shader
.cso
= sel
;
2456 sctx
->ps_shader
.current
= sel
? sel
->first_variant
: NULL
;
2458 si_update_common_shader_state(sctx
);
2460 if (sctx
->ia_multi_vgt_param_key
.u
.uses_tess
)
2461 si_update_tess_uses_prim_id(sctx
);
2464 old_sel
->info
.colors_written
!= sel
->info
.colors_written
)
2465 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.cb_render_state
);
2467 if (sctx
->screen
->has_out_of_order_rast
&&
2469 old_sel
->info
.writes_memory
!= sel
->info
.writes_memory
||
2470 old_sel
->info
.properties
[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL
] !=
2471 sel
->info
.properties
[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL
]))
2472 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
2474 si_set_active_descriptors_for_shader(sctx
, sel
);
2475 si_update_ps_colorbuf0_slot(sctx
);
2478 static void si_delete_shader(struct si_context
*sctx
, struct si_shader
*shader
)
2480 if (shader
->is_optimized
) {
2481 util_queue_drop_job(&sctx
->screen
->shader_compiler_queue_low_priority
,
2485 util_queue_fence_destroy(&shader
->ready
);
2488 switch (shader
->selector
->type
) {
2489 case PIPE_SHADER_VERTEX
:
2490 if (shader
->key
.as_ls
) {
2491 assert(sctx
->chip_class
<= VI
);
2492 si_pm4_delete_state(sctx
, ls
, shader
->pm4
);
2493 } else if (shader
->key
.as_es
) {
2494 assert(sctx
->chip_class
<= VI
);
2495 si_pm4_delete_state(sctx
, es
, shader
->pm4
);
2497 si_pm4_delete_state(sctx
, vs
, shader
->pm4
);
2500 case PIPE_SHADER_TESS_CTRL
:
2501 si_pm4_delete_state(sctx
, hs
, shader
->pm4
);
2503 case PIPE_SHADER_TESS_EVAL
:
2504 if (shader
->key
.as_es
) {
2505 assert(sctx
->chip_class
<= VI
);
2506 si_pm4_delete_state(sctx
, es
, shader
->pm4
);
2508 si_pm4_delete_state(sctx
, vs
, shader
->pm4
);
2511 case PIPE_SHADER_GEOMETRY
:
2512 if (shader
->is_gs_copy_shader
)
2513 si_pm4_delete_state(sctx
, vs
, shader
->pm4
);
2515 si_pm4_delete_state(sctx
, gs
, shader
->pm4
);
2517 case PIPE_SHADER_FRAGMENT
:
2518 si_pm4_delete_state(sctx
, ps
, shader
->pm4
);
2523 si_shader_selector_reference(sctx
, &shader
->previous_stage_sel
, NULL
);
2524 si_shader_destroy(shader
);
2528 void si_destroy_shader_selector(struct si_context
*sctx
,
2529 struct si_shader_selector
*sel
)
2531 struct si_shader
*p
= sel
->first_variant
, *c
;
2532 struct si_shader_ctx_state
*current_shader
[SI_NUM_SHADERS
] = {
2533 [PIPE_SHADER_VERTEX
] = &sctx
->vs_shader
,
2534 [PIPE_SHADER_TESS_CTRL
] = &sctx
->tcs_shader
,
2535 [PIPE_SHADER_TESS_EVAL
] = &sctx
->tes_shader
,
2536 [PIPE_SHADER_GEOMETRY
] = &sctx
->gs_shader
,
2537 [PIPE_SHADER_FRAGMENT
] = &sctx
->ps_shader
,
2540 util_queue_drop_job(&sctx
->screen
->shader_compiler_queue
, &sel
->ready
);
2542 if (current_shader
[sel
->type
]->cso
== sel
) {
2543 current_shader
[sel
->type
]->cso
= NULL
;
2544 current_shader
[sel
->type
]->current
= NULL
;
2548 c
= p
->next_variant
;
2549 si_delete_shader(sctx
, p
);
2553 if (sel
->main_shader_part
)
2554 si_delete_shader(sctx
, sel
->main_shader_part
);
2555 if (sel
->main_shader_part_ls
)
2556 si_delete_shader(sctx
, sel
->main_shader_part_ls
);
2557 if (sel
->main_shader_part_es
)
2558 si_delete_shader(sctx
, sel
->main_shader_part_es
);
2559 if (sel
->gs_copy_shader
)
2560 si_delete_shader(sctx
, sel
->gs_copy_shader
);
2562 util_queue_fence_destroy(&sel
->ready
);
2563 mtx_destroy(&sel
->mutex
);
2565 ralloc_free(sel
->nir
);
2569 static void si_delete_shader_selector(struct pipe_context
*ctx
, void *state
)
2571 struct si_context
*sctx
= (struct si_context
*)ctx
;
2572 struct si_shader_selector
*sel
= (struct si_shader_selector
*)state
;
2574 si_shader_selector_reference(sctx
, &sel
, NULL
);
2577 static unsigned si_get_ps_input_cntl(struct si_context
*sctx
,
2578 struct si_shader
*vs
, unsigned name
,
2579 unsigned index
, unsigned interpolate
)
2581 struct tgsi_shader_info
*vsinfo
= &vs
->selector
->info
;
2582 unsigned j
, offset
, ps_input_cntl
= 0;
2584 if (interpolate
== TGSI_INTERPOLATE_CONSTANT
||
2585 (interpolate
== TGSI_INTERPOLATE_COLOR
&& sctx
->flatshade
))
2586 ps_input_cntl
|= S_028644_FLAT_SHADE(1);
2588 if (name
== TGSI_SEMANTIC_PCOORD
||
2589 (name
== TGSI_SEMANTIC_TEXCOORD
&&
2590 sctx
->sprite_coord_enable
& (1 << index
))) {
2591 ps_input_cntl
|= S_028644_PT_SPRITE_TEX(1);
2594 for (j
= 0; j
< vsinfo
->num_outputs
; j
++) {
2595 if (name
== vsinfo
->output_semantic_name
[j
] &&
2596 index
== vsinfo
->output_semantic_index
[j
]) {
2597 offset
= vs
->info
.vs_output_param_offset
[j
];
2599 if (offset
<= AC_EXP_PARAM_OFFSET_31
) {
2600 /* The input is loaded from parameter memory. */
2601 ps_input_cntl
|= S_028644_OFFSET(offset
);
2602 } else if (!G_028644_PT_SPRITE_TEX(ps_input_cntl
)) {
2603 if (offset
== AC_EXP_PARAM_UNDEFINED
) {
2604 /* This can happen with depth-only rendering. */
2607 /* The input is a DEFAULT_VAL constant. */
2608 assert(offset
>= AC_EXP_PARAM_DEFAULT_VAL_0000
&&
2609 offset
<= AC_EXP_PARAM_DEFAULT_VAL_1111
);
2610 offset
-= AC_EXP_PARAM_DEFAULT_VAL_0000
;
2613 ps_input_cntl
= S_028644_OFFSET(0x20) |
2614 S_028644_DEFAULT_VAL(offset
);
2620 if (name
== TGSI_SEMANTIC_PRIMID
)
2621 /* PrimID is written after the last output. */
2622 ps_input_cntl
|= S_028644_OFFSET(vs
->info
.vs_output_param_offset
[vsinfo
->num_outputs
]);
2623 else if (j
== vsinfo
->num_outputs
&& !G_028644_PT_SPRITE_TEX(ps_input_cntl
)) {
2624 /* No corresponding output found, load defaults into input.
2625 * Don't set any other bits.
2626 * (FLAT_SHADE=1 completely changes behavior) */
2627 ps_input_cntl
= S_028644_OFFSET(0x20);
2628 /* D3D 9 behaviour. GL is undefined */
2629 if (name
== TGSI_SEMANTIC_COLOR
&& index
== 0)
2630 ps_input_cntl
|= S_028644_DEFAULT_VAL(3);
2632 return ps_input_cntl
;
2635 static void si_emit_spi_map(struct si_context
*sctx
)
2637 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
2638 struct si_shader
*ps
= sctx
->ps_shader
.current
;
2639 struct si_shader
*vs
= si_get_vs_state(sctx
);
2640 struct tgsi_shader_info
*psinfo
= ps
? &ps
->selector
->info
: NULL
;
2641 unsigned i
, num_interp
, num_written
= 0, bcol_interp
[2];
2643 if (!ps
|| !ps
->selector
->info
.num_inputs
)
2646 num_interp
= si_get_ps_num_interp(ps
);
2647 assert(num_interp
> 0);
2648 radeon_set_context_reg_seq(cs
, R_028644_SPI_PS_INPUT_CNTL_0
, num_interp
);
2650 for (i
= 0; i
< psinfo
->num_inputs
; i
++) {
2651 unsigned name
= psinfo
->input_semantic_name
[i
];
2652 unsigned index
= psinfo
->input_semantic_index
[i
];
2653 unsigned interpolate
= psinfo
->input_interpolate
[i
];
2655 radeon_emit(cs
, si_get_ps_input_cntl(sctx
, vs
, name
, index
,
2659 if (name
== TGSI_SEMANTIC_COLOR
) {
2660 assert(index
< ARRAY_SIZE(bcol_interp
));
2661 bcol_interp
[index
] = interpolate
;
2665 if (ps
->key
.part
.ps
.prolog
.color_two_side
) {
2666 unsigned bcol
= TGSI_SEMANTIC_BCOLOR
;
2668 for (i
= 0; i
< 2; i
++) {
2669 if (!(psinfo
->colors_read
& (0xf << (i
* 4))))
2672 radeon_emit(cs
, si_get_ps_input_cntl(sctx
, vs
, bcol
,
2673 i
, bcol_interp
[i
]));
2677 assert(num_interp
== num_written
);
2681 * Writing CONFIG or UCONFIG VGT registers requires VGT_FLUSH before that.
2683 static void si_init_config_add_vgt_flush(struct si_context
*sctx
)
2685 if (sctx
->init_config_has_vgt_flush
)
2688 /* Done by Vulkan before VGT_FLUSH. */
2689 si_pm4_cmd_begin(sctx
->init_config
, PKT3_EVENT_WRITE
);
2690 si_pm4_cmd_add(sctx
->init_config
,
2691 EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
2692 si_pm4_cmd_end(sctx
->init_config
, false);
2694 /* VGT_FLUSH is required even if VGT is idle. It resets VGT pointers. */
2695 si_pm4_cmd_begin(sctx
->init_config
, PKT3_EVENT_WRITE
);
2696 si_pm4_cmd_add(sctx
->init_config
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
2697 si_pm4_cmd_end(sctx
->init_config
, false);
2698 sctx
->init_config_has_vgt_flush
= true;
2701 /* Initialize state related to ESGS / GSVS ring buffers */
2702 static bool si_update_gs_ring_buffers(struct si_context
*sctx
)
2704 struct si_shader_selector
*es
=
2705 sctx
->tes_shader
.cso
? sctx
->tes_shader
.cso
: sctx
->vs_shader
.cso
;
2706 struct si_shader_selector
*gs
= sctx
->gs_shader
.cso
;
2707 struct si_pm4_state
*pm4
;
2709 /* Chip constants. */
2710 unsigned num_se
= sctx
->screen
->info
.max_se
;
2711 unsigned wave_size
= 64;
2712 unsigned max_gs_waves
= 32 * num_se
; /* max 32 per SE on GCN */
2713 /* On SI-CI, the value comes from VGT_GS_VERTEX_REUSE = 16.
2714 * On VI+, the value comes from VGT_VERTEX_REUSE_BLOCK_CNTL = 30 (+2).
2716 unsigned gs_vertex_reuse
= (sctx
->chip_class
>= VI
? 32 : 16) * num_se
;
2717 unsigned alignment
= 256 * num_se
;
2718 /* The maximum size is 63.999 MB per SE. */
2719 unsigned max_size
= ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se
;
2721 /* Calculate the minimum size. */
2722 unsigned min_esgs_ring_size
= align(es
->esgs_itemsize
* gs_vertex_reuse
*
2723 wave_size
, alignment
);
2725 /* These are recommended sizes, not minimum sizes. */
2726 unsigned esgs_ring_size
= max_gs_waves
* 2 * wave_size
*
2727 es
->esgs_itemsize
* gs
->gs_input_verts_per_prim
;
2728 unsigned gsvs_ring_size
= max_gs_waves
* 2 * wave_size
*
2729 gs
->max_gsvs_emit_size
;
2731 min_esgs_ring_size
= align(min_esgs_ring_size
, alignment
);
2732 esgs_ring_size
= align(esgs_ring_size
, alignment
);
2733 gsvs_ring_size
= align(gsvs_ring_size
, alignment
);
2735 esgs_ring_size
= CLAMP(esgs_ring_size
, min_esgs_ring_size
, max_size
);
2736 gsvs_ring_size
= MIN2(gsvs_ring_size
, max_size
);
2738 /* Some rings don't have to be allocated if shaders don't use them.
2739 * (e.g. no varyings between ES and GS or GS and VS)
2741 * GFX9 doesn't have the ESGS ring.
2743 bool update_esgs
= sctx
->chip_class
<= VI
&&
2745 (!sctx
->esgs_ring
||
2746 sctx
->esgs_ring
->width0
< esgs_ring_size
);
2747 bool update_gsvs
= gsvs_ring_size
&&
2748 (!sctx
->gsvs_ring
||
2749 sctx
->gsvs_ring
->width0
< gsvs_ring_size
);
2751 if (!update_esgs
&& !update_gsvs
)
2755 pipe_resource_reference(&sctx
->esgs_ring
, NULL
);
2757 pipe_aligned_buffer_create(sctx
->b
.screen
,
2758 SI_RESOURCE_FLAG_UNMAPPABLE
,
2760 esgs_ring_size
, alignment
);
2761 if (!sctx
->esgs_ring
)
2766 pipe_resource_reference(&sctx
->gsvs_ring
, NULL
);
2768 pipe_aligned_buffer_create(sctx
->b
.screen
,
2769 SI_RESOURCE_FLAG_UNMAPPABLE
,
2771 gsvs_ring_size
, alignment
);
2772 if (!sctx
->gsvs_ring
)
2776 /* Create the "init_config_gs_rings" state. */
2777 pm4
= CALLOC_STRUCT(si_pm4_state
);
2781 if (sctx
->chip_class
>= CIK
) {
2782 if (sctx
->esgs_ring
) {
2783 assert(sctx
->chip_class
<= VI
);
2784 si_pm4_set_reg(pm4
, R_030900_VGT_ESGS_RING_SIZE
,
2785 sctx
->esgs_ring
->width0
/ 256);
2787 if (sctx
->gsvs_ring
)
2788 si_pm4_set_reg(pm4
, R_030904_VGT_GSVS_RING_SIZE
,
2789 sctx
->gsvs_ring
->width0
/ 256);
2791 if (sctx
->esgs_ring
)
2792 si_pm4_set_reg(pm4
, R_0088C8_VGT_ESGS_RING_SIZE
,
2793 sctx
->esgs_ring
->width0
/ 256);
2794 if (sctx
->gsvs_ring
)
2795 si_pm4_set_reg(pm4
, R_0088CC_VGT_GSVS_RING_SIZE
,
2796 sctx
->gsvs_ring
->width0
/ 256);
2799 /* Set the state. */
2800 if (sctx
->init_config_gs_rings
)
2801 si_pm4_free_state(sctx
, sctx
->init_config_gs_rings
, ~0);
2802 sctx
->init_config_gs_rings
= pm4
;
2804 if (!sctx
->init_config_has_vgt_flush
) {
2805 si_init_config_add_vgt_flush(sctx
);
2806 si_pm4_upload_indirect_buffer(sctx
, sctx
->init_config
);
2809 /* Flush the context to re-emit both init_config states. */
2810 sctx
->initial_gfx_cs_size
= 0; /* force flush */
2811 si_flush_gfx_cs(sctx
, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW
, NULL
);
2813 /* Set ring bindings. */
2814 if (sctx
->esgs_ring
) {
2815 assert(sctx
->chip_class
<= VI
);
2816 si_set_ring_buffer(sctx
, SI_ES_RING_ESGS
,
2817 sctx
->esgs_ring
, 0, sctx
->esgs_ring
->width0
,
2818 true, true, 4, 64, 0);
2819 si_set_ring_buffer(sctx
, SI_GS_RING_ESGS
,
2820 sctx
->esgs_ring
, 0, sctx
->esgs_ring
->width0
,
2821 false, false, 0, 0, 0);
2823 if (sctx
->gsvs_ring
) {
2824 si_set_ring_buffer(sctx
, SI_RING_GSVS
,
2825 sctx
->gsvs_ring
, 0, sctx
->gsvs_ring
->width0
,
2826 false, false, 0, 0, 0);
2832 static void si_shader_lock(struct si_shader
*shader
)
2834 mtx_lock(&shader
->selector
->mutex
);
2835 if (shader
->previous_stage_sel
) {
2836 assert(shader
->previous_stage_sel
!= shader
->selector
);
2837 mtx_lock(&shader
->previous_stage_sel
->mutex
);
2841 static void si_shader_unlock(struct si_shader
*shader
)
2843 if (shader
->previous_stage_sel
)
2844 mtx_unlock(&shader
->previous_stage_sel
->mutex
);
2845 mtx_unlock(&shader
->selector
->mutex
);
2849 * @returns 1 if \p sel has been updated to use a new scratch buffer
2851 * < 0 if there was a failure
2853 static int si_update_scratch_buffer(struct si_context
*sctx
,
2854 struct si_shader
*shader
)
2856 uint64_t scratch_va
= sctx
->scratch_buffer
->gpu_address
;
2862 /* This shader doesn't need a scratch buffer */
2863 if (shader
->config
.scratch_bytes_per_wave
== 0)
2866 /* Prevent race conditions when updating:
2867 * - si_shader::scratch_bo
2868 * - si_shader::binary::code
2869 * - si_shader::previous_stage::binary::code.
2871 si_shader_lock(shader
);
2873 /* This shader is already configured to use the current
2874 * scratch buffer. */
2875 if (shader
->scratch_bo
== sctx
->scratch_buffer
) {
2876 si_shader_unlock(shader
);
2880 assert(sctx
->scratch_buffer
);
2882 if (shader
->previous_stage
)
2883 si_shader_apply_scratch_relocs(shader
->previous_stage
, scratch_va
);
2885 si_shader_apply_scratch_relocs(shader
, scratch_va
);
2887 /* Replace the shader bo with a new bo that has the relocs applied. */
2888 r
= si_shader_binary_upload(sctx
->screen
, shader
);
2890 si_shader_unlock(shader
);
2894 /* Update the shader state to use the new shader bo. */
2895 si_shader_init_pm4_state(sctx
->screen
, shader
);
2897 r600_resource_reference(&shader
->scratch_bo
, sctx
->scratch_buffer
);
2899 si_shader_unlock(shader
);
2903 static unsigned si_get_current_scratch_buffer_size(struct si_context
*sctx
)
2905 return sctx
->scratch_buffer
? sctx
->scratch_buffer
->b
.b
.width0
: 0;
2908 static unsigned si_get_scratch_buffer_bytes_per_wave(struct si_shader
*shader
)
2910 return shader
? shader
->config
.scratch_bytes_per_wave
: 0;
2913 static struct si_shader
*si_get_tcs_current(struct si_context
*sctx
)
2915 if (!sctx
->tes_shader
.cso
)
2916 return NULL
; /* tessellation disabled */
2918 return sctx
->tcs_shader
.cso
? sctx
->tcs_shader
.current
:
2919 sctx
->fixed_func_tcs_shader
.current
;
2922 static unsigned si_get_max_scratch_bytes_per_wave(struct si_context
*sctx
)
2926 bytes
= MAX2(bytes
, si_get_scratch_buffer_bytes_per_wave(sctx
->ps_shader
.current
));
2927 bytes
= MAX2(bytes
, si_get_scratch_buffer_bytes_per_wave(sctx
->gs_shader
.current
));
2928 bytes
= MAX2(bytes
, si_get_scratch_buffer_bytes_per_wave(sctx
->vs_shader
.current
));
2929 bytes
= MAX2(bytes
, si_get_scratch_buffer_bytes_per_wave(sctx
->tes_shader
.current
));
2931 if (sctx
->tes_shader
.cso
) {
2932 struct si_shader
*tcs
= si_get_tcs_current(sctx
);
2934 bytes
= MAX2(bytes
, si_get_scratch_buffer_bytes_per_wave(tcs
));
2939 static bool si_update_scratch_relocs(struct si_context
*sctx
)
2941 struct si_shader
*tcs
= si_get_tcs_current(sctx
);
2944 /* Update the shaders, so that they are using the latest scratch.
2945 * The scratch buffer may have been changed since these shaders were
2946 * last used, so we still need to try to update them, even if they
2947 * require scratch buffers smaller than the current size.
2949 r
= si_update_scratch_buffer(sctx
, sctx
->ps_shader
.current
);
2953 si_pm4_bind_state(sctx
, ps
, sctx
->ps_shader
.current
->pm4
);
2955 r
= si_update_scratch_buffer(sctx
, sctx
->gs_shader
.current
);
2959 si_pm4_bind_state(sctx
, gs
, sctx
->gs_shader
.current
->pm4
);
2961 r
= si_update_scratch_buffer(sctx
, tcs
);
2965 si_pm4_bind_state(sctx
, hs
, tcs
->pm4
);
2967 /* VS can be bound as LS, ES, or VS. */
2968 r
= si_update_scratch_buffer(sctx
, sctx
->vs_shader
.current
);
2972 if (sctx
->tes_shader
.current
)
2973 si_pm4_bind_state(sctx
, ls
, sctx
->vs_shader
.current
->pm4
);
2974 else if (sctx
->gs_shader
.current
)
2975 si_pm4_bind_state(sctx
, es
, sctx
->vs_shader
.current
->pm4
);
2977 si_pm4_bind_state(sctx
, vs
, sctx
->vs_shader
.current
->pm4
);
2980 /* TES can be bound as ES or VS. */
2981 r
= si_update_scratch_buffer(sctx
, sctx
->tes_shader
.current
);
2985 if (sctx
->gs_shader
.current
)
2986 si_pm4_bind_state(sctx
, es
, sctx
->tes_shader
.current
->pm4
);
2988 si_pm4_bind_state(sctx
, vs
, sctx
->tes_shader
.current
->pm4
);
2994 static bool si_update_spi_tmpring_size(struct si_context
*sctx
)
2996 unsigned current_scratch_buffer_size
=
2997 si_get_current_scratch_buffer_size(sctx
);
2998 unsigned scratch_bytes_per_wave
=
2999 si_get_max_scratch_bytes_per_wave(sctx
);
3000 unsigned scratch_needed_size
= scratch_bytes_per_wave
*
3001 sctx
->scratch_waves
;
3002 unsigned spi_tmpring_size
;
3004 if (scratch_needed_size
> 0) {
3005 if (scratch_needed_size
> current_scratch_buffer_size
) {
3006 /* Create a bigger scratch buffer */
3007 r600_resource_reference(&sctx
->scratch_buffer
, NULL
);
3009 sctx
->scratch_buffer
=
3010 si_aligned_buffer_create(&sctx
->screen
->b
,
3011 SI_RESOURCE_FLAG_UNMAPPABLE
,
3013 scratch_needed_size
, 256);
3014 if (!sctx
->scratch_buffer
)
3017 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.scratch_state
);
3018 si_context_add_resource_size(sctx
,
3019 &sctx
->scratch_buffer
->b
.b
);
3022 if (!si_update_scratch_relocs(sctx
))
3026 /* The LLVM shader backend should be reporting aligned scratch_sizes. */
3027 assert((scratch_needed_size
& ~0x3FF) == scratch_needed_size
&&
3028 "scratch size should already be aligned correctly.");
3030 spi_tmpring_size
= S_0286E8_WAVES(sctx
->scratch_waves
) |
3031 S_0286E8_WAVESIZE(scratch_bytes_per_wave
>> 10);
3032 if (spi_tmpring_size
!= sctx
->spi_tmpring_size
) {
3033 sctx
->spi_tmpring_size
= spi_tmpring_size
;
3034 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.scratch_state
);
3039 static void si_init_tess_factor_ring(struct si_context
*sctx
)
3041 assert(!sctx
->tess_rings
);
3043 /* The address must be aligned to 2^19, because the shader only
3044 * receives the high 13 bits.
3046 sctx
->tess_rings
= pipe_aligned_buffer_create(sctx
->b
.screen
,
3047 SI_RESOURCE_FLAG_32BIT
,
3049 sctx
->screen
->tess_offchip_ring_size
+
3050 sctx
->screen
->tess_factor_ring_size
,
3052 if (!sctx
->tess_rings
)
3055 si_init_config_add_vgt_flush(sctx
);
3057 si_pm4_add_bo(sctx
->init_config
, r600_resource(sctx
->tess_rings
),
3058 RADEON_USAGE_READWRITE
, RADEON_PRIO_SHADER_RINGS
);
3060 uint64_t factor_va
= r600_resource(sctx
->tess_rings
)->gpu_address
+
3061 sctx
->screen
->tess_offchip_ring_size
;
3063 /* Append these registers to the init config state. */
3064 if (sctx
->chip_class
>= CIK
) {
3065 si_pm4_set_reg(sctx
->init_config
, R_030938_VGT_TF_RING_SIZE
,
3066 S_030938_SIZE(sctx
->screen
->tess_factor_ring_size
/ 4));
3067 si_pm4_set_reg(sctx
->init_config
, R_030940_VGT_TF_MEMORY_BASE
,
3069 if (sctx
->chip_class
>= GFX9
)
3070 si_pm4_set_reg(sctx
->init_config
, R_030944_VGT_TF_MEMORY_BASE_HI
,
3071 S_030944_BASE_HI(factor_va
>> 40));
3072 si_pm4_set_reg(sctx
->init_config
, R_03093C_VGT_HS_OFFCHIP_PARAM
,
3073 sctx
->screen
->vgt_hs_offchip_param
);
3075 si_pm4_set_reg(sctx
->init_config
, R_008988_VGT_TF_RING_SIZE
,
3076 S_008988_SIZE(sctx
->screen
->tess_factor_ring_size
/ 4));
3077 si_pm4_set_reg(sctx
->init_config
, R_0089B8_VGT_TF_MEMORY_BASE
,
3079 si_pm4_set_reg(sctx
->init_config
, R_0089B0_VGT_HS_OFFCHIP_PARAM
,
3080 sctx
->screen
->vgt_hs_offchip_param
);
3083 /* Flush the context to re-emit the init_config state.
3084 * This is done only once in a lifetime of a context.
3086 si_pm4_upload_indirect_buffer(sctx
, sctx
->init_config
);
3087 sctx
->initial_gfx_cs_size
= 0; /* force flush */
3088 si_flush_gfx_cs(sctx
, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW
, NULL
);
3092 * This is used when TCS is NULL in the VS->TCS->TES chain. In this case,
3093 * VS passes its outputs to TES directly, so the fixed-function shader only
3094 * has to write TESSOUTER and TESSINNER.
3096 static void si_generate_fixed_func_tcs(struct si_context
*sctx
)
3098 struct ureg_src outer
, inner
;
3099 struct ureg_dst tessouter
, tessinner
;
3100 struct ureg_program
*ureg
= ureg_create(PIPE_SHADER_TESS_CTRL
);
3103 return; /* if we get here, we're screwed */
3105 assert(!sctx
->fixed_func_tcs_shader
.cso
);
3107 outer
= ureg_DECL_system_value(ureg
,
3108 TGSI_SEMANTIC_DEFAULT_TESSOUTER_SI
, 0);
3109 inner
= ureg_DECL_system_value(ureg
,
3110 TGSI_SEMANTIC_DEFAULT_TESSINNER_SI
, 0);
3112 tessouter
= ureg_DECL_output(ureg
, TGSI_SEMANTIC_TESSOUTER
, 0);
3113 tessinner
= ureg_DECL_output(ureg
, TGSI_SEMANTIC_TESSINNER
, 0);
3115 ureg_MOV(ureg
, tessouter
, outer
);
3116 ureg_MOV(ureg
, tessinner
, inner
);
3119 sctx
->fixed_func_tcs_shader
.cso
=
3120 ureg_create_shader_and_destroy(ureg
, &sctx
->b
);
3123 static void si_update_vgt_shader_config(struct si_context
*sctx
)
3125 /* Calculate the index of the config.
3126 * 0 = VS, 1 = VS+GS, 2 = VS+Tess, 3 = VS+Tess+GS */
3127 unsigned index
= 2*!!sctx
->tes_shader
.cso
+ !!sctx
->gs_shader
.cso
;
3128 struct si_pm4_state
**pm4
= &sctx
->vgt_shader_config
[index
];
3131 uint32_t stages
= 0;
3133 *pm4
= CALLOC_STRUCT(si_pm4_state
);
3135 if (sctx
->tes_shader
.cso
) {
3136 stages
|= S_028B54_LS_EN(V_028B54_LS_STAGE_ON
) |
3137 S_028B54_HS_EN(1) | S_028B54_DYNAMIC_HS(1);
3139 if (sctx
->gs_shader
.cso
)
3140 stages
|= S_028B54_ES_EN(V_028B54_ES_STAGE_DS
) |
3142 S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER
);
3144 stages
|= S_028B54_VS_EN(V_028B54_VS_STAGE_DS
);
3145 } else if (sctx
->gs_shader
.cso
) {
3146 stages
|= S_028B54_ES_EN(V_028B54_ES_STAGE_REAL
) |
3148 S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER
);
3151 if (sctx
->chip_class
>= GFX9
)
3152 stages
|= S_028B54_MAX_PRIMGRP_IN_WAVE(2);
3154 si_pm4_set_reg(*pm4
, R_028B54_VGT_SHADER_STAGES_EN
, stages
);
3156 si_pm4_bind_state(sctx
, vgt_shader_config
, *pm4
);
3159 bool si_update_shaders(struct si_context
*sctx
)
3161 struct pipe_context
*ctx
= (struct pipe_context
*)sctx
;
3162 struct si_compiler_ctx_state compiler_state
;
3163 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
3164 struct si_shader
*old_vs
= si_get_vs_state(sctx
);
3165 bool old_clip_disable
= old_vs
? old_vs
->key
.opt
.clip_disable
: false;
3166 struct si_shader
*old_ps
= sctx
->ps_shader
.current
;
3167 unsigned old_spi_shader_col_format
=
3168 old_ps
? old_ps
->key
.part
.ps
.epilog
.spi_shader_col_format
: 0;
3171 compiler_state
.compiler
= &sctx
->compiler
;
3172 compiler_state
.debug
= sctx
->debug
;
3173 compiler_state
.is_debug_context
= sctx
->is_debug
;
3175 /* Update stages before GS. */
3176 if (sctx
->tes_shader
.cso
) {
3177 if (!sctx
->tess_rings
) {
3178 si_init_tess_factor_ring(sctx
);
3179 if (!sctx
->tess_rings
)
3184 if (sctx
->chip_class
<= VI
) {
3185 r
= si_shader_select(ctx
, &sctx
->vs_shader
,
3189 si_pm4_bind_state(sctx
, ls
, sctx
->vs_shader
.current
->pm4
);
3192 if (sctx
->tcs_shader
.cso
) {
3193 r
= si_shader_select(ctx
, &sctx
->tcs_shader
,
3197 si_pm4_bind_state(sctx
, hs
, sctx
->tcs_shader
.current
->pm4
);
3199 if (!sctx
->fixed_func_tcs_shader
.cso
) {
3200 si_generate_fixed_func_tcs(sctx
);
3201 if (!sctx
->fixed_func_tcs_shader
.cso
)
3205 r
= si_shader_select(ctx
, &sctx
->fixed_func_tcs_shader
,
3209 si_pm4_bind_state(sctx
, hs
,
3210 sctx
->fixed_func_tcs_shader
.current
->pm4
);
3213 if (sctx
->gs_shader
.cso
) {
3215 if (sctx
->chip_class
<= VI
) {
3216 r
= si_shader_select(ctx
, &sctx
->tes_shader
,
3220 si_pm4_bind_state(sctx
, es
, sctx
->tes_shader
.current
->pm4
);
3224 r
= si_shader_select(ctx
, &sctx
->tes_shader
,
3228 si_pm4_bind_state(sctx
, vs
, sctx
->tes_shader
.current
->pm4
);
3230 } else if (sctx
->gs_shader
.cso
) {
3231 if (sctx
->chip_class
<= VI
) {
3233 r
= si_shader_select(ctx
, &sctx
->vs_shader
,
3237 si_pm4_bind_state(sctx
, es
, sctx
->vs_shader
.current
->pm4
);
3239 si_pm4_bind_state(sctx
, ls
, NULL
);
3240 si_pm4_bind_state(sctx
, hs
, NULL
);
3244 r
= si_shader_select(ctx
, &sctx
->vs_shader
, &compiler_state
);
3247 si_pm4_bind_state(sctx
, vs
, sctx
->vs_shader
.current
->pm4
);
3248 si_pm4_bind_state(sctx
, ls
, NULL
);
3249 si_pm4_bind_state(sctx
, hs
, NULL
);
3253 if (sctx
->gs_shader
.cso
) {
3254 r
= si_shader_select(ctx
, &sctx
->gs_shader
, &compiler_state
);
3257 si_pm4_bind_state(sctx
, gs
, sctx
->gs_shader
.current
->pm4
);
3258 si_pm4_bind_state(sctx
, vs
, sctx
->gs_shader
.cso
->gs_copy_shader
->pm4
);
3260 if (!si_update_gs_ring_buffers(sctx
))
3263 si_pm4_bind_state(sctx
, gs
, NULL
);
3264 if (sctx
->chip_class
<= VI
)
3265 si_pm4_bind_state(sctx
, es
, NULL
);
3268 si_update_vgt_shader_config(sctx
);
3270 if (old_clip_disable
!= si_get_vs_state(sctx
)->key
.opt
.clip_disable
)
3271 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.clip_regs
);
3273 if (sctx
->ps_shader
.cso
) {
3274 unsigned db_shader_control
;
3276 r
= si_shader_select(ctx
, &sctx
->ps_shader
, &compiler_state
);
3279 si_pm4_bind_state(sctx
, ps
, sctx
->ps_shader
.current
->pm4
);
3282 sctx
->ps_shader
.cso
->db_shader_control
|
3283 S_02880C_KILL_ENABLE(si_get_alpha_test_func(sctx
) != PIPE_FUNC_ALWAYS
);
3285 if (si_pm4_state_changed(sctx
, ps
) || si_pm4_state_changed(sctx
, vs
) ||
3286 sctx
->sprite_coord_enable
!= rs
->sprite_coord_enable
||
3287 sctx
->flatshade
!= rs
->flatshade
) {
3288 sctx
->sprite_coord_enable
= rs
->sprite_coord_enable
;
3289 sctx
->flatshade
= rs
->flatshade
;
3290 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.spi_map
);
3293 if (sctx
->screen
->rbplus_allowed
&&
3294 si_pm4_state_changed(sctx
, ps
) &&
3296 old_spi_shader_col_format
!=
3297 sctx
->ps_shader
.current
->key
.part
.ps
.epilog
.spi_shader_col_format
))
3298 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.cb_render_state
);
3300 if (sctx
->ps_db_shader_control
!= db_shader_control
) {
3301 sctx
->ps_db_shader_control
= db_shader_control
;
3302 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
3303 if (sctx
->screen
->dpbb_allowed
)
3304 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
3307 if (sctx
->smoothing_enabled
!= sctx
->ps_shader
.current
->key
.part
.ps
.epilog
.poly_line_smoothing
) {
3308 sctx
->smoothing_enabled
= sctx
->ps_shader
.current
->key
.part
.ps
.epilog
.poly_line_smoothing
;
3309 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
3311 if (sctx
->chip_class
== SI
)
3312 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
3314 if (sctx
->framebuffer
.nr_samples
<= 1)
3315 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_sample_locs
);
3319 if (si_pm4_state_enabled_and_changed(sctx
, ls
) ||
3320 si_pm4_state_enabled_and_changed(sctx
, hs
) ||
3321 si_pm4_state_enabled_and_changed(sctx
, es
) ||
3322 si_pm4_state_enabled_and_changed(sctx
, gs
) ||
3323 si_pm4_state_enabled_and_changed(sctx
, vs
) ||
3324 si_pm4_state_enabled_and_changed(sctx
, ps
)) {
3325 if (!si_update_spi_tmpring_size(sctx
))
3329 if (sctx
->chip_class
>= CIK
) {
3330 if (si_pm4_state_enabled_and_changed(sctx
, ls
))
3331 sctx
->prefetch_L2_mask
|= SI_PREFETCH_LS
;
3332 else if (!sctx
->queued
.named
.ls
)
3333 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_LS
;
3335 if (si_pm4_state_enabled_and_changed(sctx
, hs
))
3336 sctx
->prefetch_L2_mask
|= SI_PREFETCH_HS
;
3337 else if (!sctx
->queued
.named
.hs
)
3338 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_HS
;
3340 if (si_pm4_state_enabled_and_changed(sctx
, es
))
3341 sctx
->prefetch_L2_mask
|= SI_PREFETCH_ES
;
3342 else if (!sctx
->queued
.named
.es
)
3343 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_ES
;
3345 if (si_pm4_state_enabled_and_changed(sctx
, gs
))
3346 sctx
->prefetch_L2_mask
|= SI_PREFETCH_GS
;
3347 else if (!sctx
->queued
.named
.gs
)
3348 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_GS
;
3350 if (si_pm4_state_enabled_and_changed(sctx
, vs
))
3351 sctx
->prefetch_L2_mask
|= SI_PREFETCH_VS
;
3352 else if (!sctx
->queued
.named
.vs
)
3353 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_VS
;
3355 if (si_pm4_state_enabled_and_changed(sctx
, ps
))
3356 sctx
->prefetch_L2_mask
|= SI_PREFETCH_PS
;
3357 else if (!sctx
->queued
.named
.ps
)
3358 sctx
->prefetch_L2_mask
&= ~SI_PREFETCH_PS
;
3361 sctx
->do_update_shaders
= false;
3365 static void si_emit_scratch_state(struct si_context
*sctx
)
3367 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
3369 radeon_set_context_reg(cs
, R_0286E8_SPI_TMPRING_SIZE
,
3370 sctx
->spi_tmpring_size
);
3372 if (sctx
->scratch_buffer
) {
3373 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
3374 sctx
->scratch_buffer
, RADEON_USAGE_READWRITE
,
3375 RADEON_PRIO_SCRATCH_BUFFER
);
3379 void *si_get_blit_vs(struct si_context
*sctx
, enum blitter_attrib_type type
,
3380 unsigned num_layers
)
3382 unsigned vs_blit_property
;
3386 case UTIL_BLITTER_ATTRIB_NONE
:
3387 vs
= num_layers
> 1 ? &sctx
->vs_blit_pos_layered
:
3389 vs_blit_property
= SI_VS_BLIT_SGPRS_POS
;
3391 case UTIL_BLITTER_ATTRIB_COLOR
:
3392 vs
= num_layers
> 1 ? &sctx
->vs_blit_color_layered
:
3393 &sctx
->vs_blit_color
;
3394 vs_blit_property
= SI_VS_BLIT_SGPRS_POS_COLOR
;
3396 case UTIL_BLITTER_ATTRIB_TEXCOORD_XY
:
3397 case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW
:
3398 assert(num_layers
== 1);
3399 vs
= &sctx
->vs_blit_texcoord
;
3400 vs_blit_property
= SI_VS_BLIT_SGPRS_POS_TEXCOORD
;
3409 struct ureg_program
*ureg
= ureg_create(PIPE_SHADER_VERTEX
);
3413 /* Tell the shader to load VS inputs from SGPRs: */
3414 ureg_property(ureg
, TGSI_PROPERTY_VS_BLIT_SGPRS
, vs_blit_property
);
3415 ureg_property(ureg
, TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
, true);
3417 /* This is just a pass-through shader with 1-3 MOV instructions. */
3419 ureg_DECL_output(ureg
, TGSI_SEMANTIC_POSITION
, 0),
3420 ureg_DECL_vs_input(ureg
, 0));
3422 if (type
!= UTIL_BLITTER_ATTRIB_NONE
) {
3424 ureg_DECL_output(ureg
, TGSI_SEMANTIC_GENERIC
, 0),
3425 ureg_DECL_vs_input(ureg
, 1));
3428 if (num_layers
> 1) {
3429 struct ureg_src instance_id
=
3430 ureg_DECL_system_value(ureg
, TGSI_SEMANTIC_INSTANCEID
, 0);
3431 struct ureg_dst layer
=
3432 ureg_DECL_output(ureg
, TGSI_SEMANTIC_LAYER
, 0);
3434 ureg_MOV(ureg
, ureg_writemask(layer
, TGSI_WRITEMASK_X
),
3435 ureg_scalar(instance_id
, TGSI_SWIZZLE_X
));
3439 *vs
= ureg_create_shader_and_destroy(ureg
, &sctx
->b
);
3443 void si_init_shader_functions(struct si_context
*sctx
)
3445 sctx
->atoms
.s
.spi_map
.emit
= si_emit_spi_map
;
3446 sctx
->atoms
.s
.scratch_state
.emit
= si_emit_scratch_state
;
3448 sctx
->b
.create_vs_state
= si_create_shader_selector
;
3449 sctx
->b
.create_tcs_state
= si_create_shader_selector
;
3450 sctx
->b
.create_tes_state
= si_create_shader_selector
;
3451 sctx
->b
.create_gs_state
= si_create_shader_selector
;
3452 sctx
->b
.create_fs_state
= si_create_shader_selector
;
3454 sctx
->b
.bind_vs_state
= si_bind_vs_shader
;
3455 sctx
->b
.bind_tcs_state
= si_bind_tcs_shader
;
3456 sctx
->b
.bind_tes_state
= si_bind_tes_shader
;
3457 sctx
->b
.bind_gs_state
= si_bind_gs_shader
;
3458 sctx
->b
.bind_fs_state
= si_bind_ps_shader
;
3460 sctx
->b
.delete_vs_state
= si_delete_shader_selector
;
3461 sctx
->b
.delete_tcs_state
= si_delete_shader_selector
;
3462 sctx
->b
.delete_tes_state
= si_delete_shader_selector
;
3463 sctx
->b
.delete_gs_state
= si_delete_shader_selector
;
3464 sctx
->b
.delete_fs_state
= si_delete_shader_selector
;