2 * Copyright 2006 VMware, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #include "intel_batchbuffer.h"
27 #include "intel_buffer_objects.h"
28 #include "brw_bufmgr.h"
29 #include "intel_buffers.h"
30 #include "intel_fbo.h"
31 #include "brw_context.h"
32 #include "brw_defines.h"
33 #include "brw_state.h"
34 #include "common/gen_decoder.h"
36 #include "util/hash_table.h"
41 #define FILE_DEBUG_FLAG DEBUG_BUFMGR
44 * Target sizes of the batch and state buffers. We create the initial
45 * buffers at these sizes, and flush when they're nearly full. If we
46 * underestimate how close we are to the end, and suddenly need more space
47 * in the middle of a draw, we can grow the buffers, and finish the draw.
48 * At that point, we'll be over our target size, so the next operation
49 * should flush. Each time we flush the batch, we recreate both buffers
50 * at the original target size, so it doesn't grow without bound.
52 #define BATCH_SZ (20 * 1024)
53 #define STATE_SZ (16 * 1024)
56 intel_batchbuffer_reset(struct brw_context
*brw
);
59 uint_key_compare(const void *a
, const void *b
)
65 uint_key_hash(const void *key
)
67 return (uintptr_t) key
;
71 init_reloc_list(struct brw_reloc_list
*rlist
, int count
)
73 rlist
->reloc_count
= 0;
74 rlist
->reloc_array_size
= count
;
75 rlist
->relocs
= malloc(rlist
->reloc_array_size
*
76 sizeof(struct drm_i915_gem_relocation_entry
));
80 intel_batchbuffer_init(struct brw_context
*brw
)
82 struct intel_screen
*screen
= brw
->screen
;
83 struct intel_batchbuffer
*batch
= &brw
->batch
;
84 const struct gen_device_info
*devinfo
= &screen
->devinfo
;
86 batch
->use_shadow_copy
= !devinfo
->has_llc
;
88 if (batch
->use_shadow_copy
) {
89 batch
->batch
.map
= malloc(BATCH_SZ
);
90 batch
->map_next
= batch
->batch
.map
;
91 batch
->state
.map
= malloc(STATE_SZ
);
94 init_reloc_list(&batch
->batch_relocs
, 250);
95 init_reloc_list(&batch
->state_relocs
, 250);
97 batch
->exec_count
= 0;
98 batch
->exec_array_size
= 100;
100 malloc(batch
->exec_array_size
* sizeof(batch
->exec_bos
[0]));
101 batch
->validation_list
=
102 malloc(batch
->exec_array_size
* sizeof(batch
->validation_list
[0]));
104 if (INTEL_DEBUG
& DEBUG_BATCH
) {
105 batch
->state_batch_sizes
=
106 _mesa_hash_table_create(NULL
, uint_key_hash
, uint_key_compare
);
109 batch
->use_batch_first
=
110 screen
->kernel_features
& KERNEL_ALLOWS_EXEC_BATCH_FIRST
;
112 /* PIPE_CONTROL needs a w/a but only on gen6 */
113 batch
->valid_reloc_flags
= EXEC_OBJECT_WRITE
;
114 if (devinfo
->gen
== 6)
115 batch
->valid_reloc_flags
|= EXEC_OBJECT_NEEDS_GTT
;
117 intel_batchbuffer_reset(brw
);
120 #define READ_ONCE(x) (*(volatile __typeof__(x) *)&(x))
123 add_exec_bo(struct intel_batchbuffer
*batch
, struct brw_bo
*bo
)
125 unsigned index
= READ_ONCE(bo
->index
);
127 if (index
< batch
->exec_count
&& batch
->exec_bos
[index
] == bo
)
130 /* May have been shared between multiple active batches */
131 for (index
= 0; index
< batch
->exec_count
; index
++) {
132 if (batch
->exec_bos
[index
] == bo
)
136 brw_bo_reference(bo
);
138 if (batch
->exec_count
== batch
->exec_array_size
) {
139 batch
->exec_array_size
*= 2;
141 realloc(batch
->exec_bos
,
142 batch
->exec_array_size
* sizeof(batch
->exec_bos
[0]));
143 batch
->validation_list
=
144 realloc(batch
->validation_list
,
145 batch
->exec_array_size
* sizeof(batch
->validation_list
[0]));
148 batch
->validation_list
[batch
->exec_count
] =
149 (struct drm_i915_gem_exec_object2
) {
150 .handle
= bo
->gem_handle
,
151 .alignment
= bo
->align
,
152 .offset
= bo
->gtt_offset
,
156 bo
->index
= batch
->exec_count
;
157 batch
->exec_bos
[batch
->exec_count
] = bo
;
158 batch
->aperture_space
+= bo
->size
;
160 return batch
->exec_count
++;
164 intel_batchbuffer_reset(struct brw_context
*brw
)
166 struct intel_screen
*screen
= brw
->screen
;
167 struct intel_batchbuffer
*batch
= &brw
->batch
;
168 struct brw_bufmgr
*bufmgr
= screen
->bufmgr
;
170 if (batch
->last_bo
!= NULL
) {
171 brw_bo_unreference(batch
->last_bo
);
172 batch
->last_bo
= NULL
;
174 batch
->last_bo
= batch
->batch
.bo
;
176 batch
->batch
.bo
= brw_bo_alloc(bufmgr
, "batchbuffer", BATCH_SZ
, 4096);
177 if (!batch
->use_shadow_copy
) {
179 brw_bo_map(brw
, batch
->batch
.bo
, MAP_READ
| MAP_WRITE
);
181 batch
->map_next
= batch
->batch
.map
;
183 batch
->state
.bo
= brw_bo_alloc(bufmgr
, "statebuffer", STATE_SZ
, 4096);
184 batch
->state
.bo
->kflags
=
185 can_do_exec_capture(screen
) ? EXEC_OBJECT_CAPTURE
: 0;
186 if (!batch
->use_shadow_copy
) {
188 brw_bo_map(brw
, batch
->state
.bo
, MAP_READ
| MAP_WRITE
);
191 /* Avoid making 0 a valid state offset - otherwise the decoder will try
192 * and decode data when we use offset 0 as a null pointer.
194 batch
->state_used
= 1;
196 add_exec_bo(batch
, batch
->batch
.bo
);
197 assert(batch
->batch
.bo
->index
== 0);
199 batch
->needs_sol_reset
= false;
200 batch
->state_base_address_emitted
= false;
202 /* We don't know what ring the new batch will be sent to until we see the
203 * first BEGIN_BATCH or BEGIN_BATCH_BLT. Mark it as unknown.
205 batch
->ring
= UNKNOWN_RING
;
207 if (batch
->state_batch_sizes
)
208 _mesa_hash_table_clear(batch
->state_batch_sizes
, NULL
);
212 intel_batchbuffer_reset_and_clear_render_cache(struct brw_context
*brw
)
214 intel_batchbuffer_reset(brw
);
215 brw_cache_sets_clear(brw
);
219 intel_batchbuffer_save_state(struct brw_context
*brw
)
221 brw
->batch
.saved
.map_next
= brw
->batch
.map_next
;
222 brw
->batch
.saved
.batch_reloc_count
= brw
->batch
.batch_relocs
.reloc_count
;
223 brw
->batch
.saved
.state_reloc_count
= brw
->batch
.state_relocs
.reloc_count
;
224 brw
->batch
.saved
.exec_count
= brw
->batch
.exec_count
;
228 intel_batchbuffer_reset_to_saved(struct brw_context
*brw
)
230 for (int i
= brw
->batch
.saved
.exec_count
;
231 i
< brw
->batch
.exec_count
; i
++) {
232 brw_bo_unreference(brw
->batch
.exec_bos
[i
]);
234 brw
->batch
.batch_relocs
.reloc_count
= brw
->batch
.saved
.batch_reloc_count
;
235 brw
->batch
.state_relocs
.reloc_count
= brw
->batch
.saved
.state_reloc_count
;
236 brw
->batch
.exec_count
= brw
->batch
.saved
.exec_count
;
238 brw
->batch
.map_next
= brw
->batch
.saved
.map_next
;
239 if (USED_BATCH(brw
->batch
) == 0)
240 brw
->batch
.ring
= UNKNOWN_RING
;
244 intel_batchbuffer_free(struct intel_batchbuffer
*batch
)
246 if (batch
->use_shadow_copy
) {
247 free(batch
->batch
.map
);
248 free(batch
->state
.map
);
251 for (int i
= 0; i
< batch
->exec_count
; i
++) {
252 brw_bo_unreference(batch
->exec_bos
[i
]);
254 free(batch
->batch_relocs
.relocs
);
255 free(batch
->state_relocs
.relocs
);
256 free(batch
->exec_bos
);
257 free(batch
->validation_list
);
259 brw_bo_unreference(batch
->last_bo
);
260 brw_bo_unreference(batch
->batch
.bo
);
261 brw_bo_unreference(batch
->state
.bo
);
262 if (batch
->state_batch_sizes
)
263 _mesa_hash_table_destroy(batch
->state_batch_sizes
, NULL
);
267 replace_bo_in_reloc_list(struct brw_reloc_list
*rlist
,
268 uint32_t old_handle
, uint32_t new_handle
)
270 for (int i
= 0; i
< rlist
->reloc_count
; i
++) {
271 if (rlist
->relocs
[i
].target_handle
== old_handle
)
272 rlist
->relocs
[i
].target_handle
= new_handle
;
277 * Grow either the batch or state buffer to a new larger size.
279 * We can't actually grow buffers, so we allocate a new one, copy over
280 * the existing contents, and update our lists to refer to the new one.
282 * Note that this is only temporary - each new batch recreates the buffers
283 * at their original target size (BATCH_SZ or STATE_SZ).
286 grow_buffer(struct brw_context
*brw
,
287 struct brw_bo
**bo_ptr
,
289 unsigned existing_bytes
,
292 struct intel_batchbuffer
*batch
= &brw
->batch
;
293 struct brw_bufmgr
*bufmgr
= brw
->bufmgr
;
295 uint32_t *old_map
= *map_ptr
;
296 struct brw_bo
*old_bo
= *bo_ptr
;
298 struct brw_bo
*new_bo
=
299 brw_bo_alloc(bufmgr
, old_bo
->name
, new_size
, old_bo
->align
);
302 perf_debug("Growing %s - ran out of space\n", old_bo
->name
);
304 /* Copy existing data to the new larger buffer */
305 if (batch
->use_shadow_copy
) {
306 new_map
= realloc(*map_ptr
, new_size
);
308 new_map
= brw_bo_map(brw
, new_bo
, MAP_READ
| MAP_WRITE
);
309 memcpy(new_map
, old_map
, existing_bytes
);
312 /* Try to put the new BO at the same GTT offset as the old BO (which
313 * we're throwing away, so it doesn't need to be there).
315 * This guarantees that our relocations continue to work: values we've
316 * already written into the buffer, values we're going to write into the
317 * buffer, and the validation/relocation lists all will match.
319 * Also preserve kflags for EXEC_OBJECT_CAPTURE.
321 new_bo
->gtt_offset
= old_bo
->gtt_offset
;
322 new_bo
->index
= old_bo
->index
;
323 new_bo
->kflags
= old_bo
->kflags
;
325 /* Batch/state buffers are per-context, and if we've run out of space,
326 * we must have actually used them before, so...they will be in the list.
328 assert(old_bo
->index
< batch
->exec_count
);
329 assert(batch
->exec_bos
[old_bo
->index
] == old_bo
);
331 /* Update the validation list to use the new BO. */
332 batch
->exec_bos
[old_bo
->index
] = new_bo
;
333 batch
->validation_list
[old_bo
->index
].handle
= new_bo
->gem_handle
;
334 brw_bo_reference(new_bo
);
335 brw_bo_unreference(old_bo
);
337 if (!batch
->use_batch_first
) {
338 /* We're not using I915_EXEC_HANDLE_LUT, which means we need to go
339 * update the relocation list entries to point at the new BO as well.
340 * (With newer kernels, the "handle" is an offset into the validation
341 * list, which remains unchanged, so we can skip this.)
343 replace_bo_in_reloc_list(&batch
->batch_relocs
,
344 old_bo
->gem_handle
, new_bo
->gem_handle
);
345 replace_bo_in_reloc_list(&batch
->state_relocs
,
346 old_bo
->gem_handle
, new_bo
->gem_handle
);
349 /* Drop the *bo_ptr reference. This should free the old BO. */
350 brw_bo_unreference(old_bo
);
357 intel_batchbuffer_require_space(struct brw_context
*brw
, GLuint sz
,
358 enum brw_gpu_ring ring
)
360 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
361 struct intel_batchbuffer
*batch
= &brw
->batch
;
363 /* If we're switching rings, implicitly flush the batch. */
364 if (unlikely(ring
!= brw
->batch
.ring
) && brw
->batch
.ring
!= UNKNOWN_RING
&&
366 intel_batchbuffer_flush(brw
);
369 const unsigned batch_used
= USED_BATCH(*batch
) * 4;
370 if (batch_used
+ sz
>= BATCH_SZ
&& !batch
->no_wrap
) {
371 intel_batchbuffer_flush(brw
);
372 } else if (batch_used
+ sz
>= batch
->batch
.bo
->size
) {
373 const unsigned new_size
=
374 MIN2(batch
->batch
.bo
->size
+ batch
->batch
.bo
->size
/ 2,
376 grow_buffer(brw
, &batch
->batch
.bo
, &batch
->batch
.map
,
377 batch_used
, new_size
);
378 batch
->map_next
= (void *) batch
->batch
.map
+ batch_used
;
379 assert(batch_used
+ sz
< batch
->batch
.bo
->size
);
382 /* The intel_batchbuffer_flush() calls above might have changed
383 * brw->batch.ring to UNKNOWN_RING, so we need to set it here at the end.
385 brw
->batch
.ring
= ring
;
390 #define BLUE_HEADER CSI "0;44m"
391 #define NORMAL CSI "0m"
395 decode_struct(struct brw_context
*brw
, struct gen_spec
*spec
,
396 const char *struct_name
, uint32_t *data
,
397 uint32_t gtt_offset
, uint32_t offset
, bool color
)
399 struct gen_group
*group
= gen_spec_find_struct(spec
, struct_name
);
403 fprintf(stderr
, "%s\n", struct_name
);
404 gen_print_group(stderr
, group
, gtt_offset
+ offset
,
405 &data
[offset
/ 4], 0, color
);
409 decode_structs(struct brw_context
*brw
, struct gen_spec
*spec
,
410 const char *struct_name
,
411 uint32_t *data
, uint32_t gtt_offset
, uint32_t offset
,
412 int struct_size
, bool color
)
414 struct gen_group
*group
= gen_spec_find_struct(spec
, struct_name
);
418 int entries
= brw_state_batch_size(brw
, offset
) / struct_size
;
419 for (int i
= 0; i
< entries
; i
++) {
420 fprintf(stderr
, "%s %d\n", struct_name
, i
);
421 gen_print_group(stderr
, group
, gtt_offset
+ offset
,
422 &data
[(offset
+ i
* struct_size
) / 4], 0, color
);
427 do_batch_dump(struct brw_context
*brw
)
429 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
430 struct intel_batchbuffer
*batch
= &brw
->batch
;
431 struct gen_spec
*spec
= gen_spec_load(&brw
->screen
->devinfo
);
433 if (batch
->ring
!= RENDER_RING
)
436 uint32_t *batch_data
= brw_bo_map(brw
, batch
->batch
.bo
, MAP_READ
);
437 uint32_t *state
= brw_bo_map(brw
, batch
->state
.bo
, MAP_READ
);
438 if (batch_data
== NULL
|| state
== NULL
) {
439 fprintf(stderr
, "WARNING: failed to map batchbuffer/statebuffer\n");
443 uint32_t *end
= batch_data
+ USED_BATCH(*batch
);
444 uint32_t batch_gtt_offset
= batch
->batch
.bo
->gtt_offset
;
445 uint32_t state_gtt_offset
= batch
->state
.bo
->gtt_offset
;
448 bool color
= INTEL_DEBUG
& DEBUG_COLOR
;
449 const char *header_color
= color
? BLUE_HEADER
: "";
450 const char *reset_color
= color
? NORMAL
: "";
452 for (uint32_t *p
= batch_data
; p
< end
; p
+= length
) {
453 struct gen_group
*inst
= gen_spec_find_instruction(spec
, p
);
454 length
= gen_group_get_length(inst
, p
);
455 assert(inst
== NULL
|| length
> 0);
456 length
= MAX2(1, length
);
458 fprintf(stderr
, "unknown instruction %08x\n", p
[0]);
462 uint64_t offset
= batch_gtt_offset
+ 4 * (p
- batch_data
);
464 fprintf(stderr
, "%s0x%08"PRIx64
": 0x%08x: %-80s%s\n", header_color
,
465 offset
, p
[0], gen_group_get_name(inst
), reset_color
);
467 gen_print_group(stderr
, inst
, offset
, p
, 0, color
);
469 switch (gen_group_get_opcode(inst
) >> 16) {
470 case _3DSTATE_PIPELINED_POINTERS
:
471 /* Note: these Gen4-5 pointers are full relocations rather than
472 * offsets from the start of the statebuffer. So we need to subtract
473 * gtt_offset (the start of the statebuffer) to obtain an offset we
474 * can add to the map and get at the data.
476 decode_struct(brw
, spec
, "VS_STATE", state
, state_gtt_offset
,
477 (p
[1] & ~0x1fu
) - state_gtt_offset
, color
);
479 decode_struct(brw
, spec
, "GS_STATE", state
, state_gtt_offset
,
480 (p
[2] & ~0x1fu
) - state_gtt_offset
, color
);
483 decode_struct(brw
, spec
, "CLIP_STATE", state
, state_gtt_offset
,
484 (p
[3] & ~0x1fu
) - state_gtt_offset
, color
);
486 decode_struct(brw
, spec
, "SF_STATE", state
, state_gtt_offset
,
487 (p
[4] & ~0x1fu
) - state_gtt_offset
, color
);
488 decode_struct(brw
, spec
, "WM_STATE", state
, state_gtt_offset
,
489 (p
[5] & ~0x1fu
) - state_gtt_offset
, color
);
490 decode_struct(brw
, spec
, "COLOR_CALC_STATE", state
, state_gtt_offset
,
491 (p
[6] & ~0x3fu
) - state_gtt_offset
, color
);
493 case _3DSTATE_BINDING_TABLE_POINTERS_VS
:
494 case _3DSTATE_BINDING_TABLE_POINTERS_HS
:
495 case _3DSTATE_BINDING_TABLE_POINTERS_DS
:
496 case _3DSTATE_BINDING_TABLE_POINTERS_GS
:
497 case _3DSTATE_BINDING_TABLE_POINTERS_PS
: {
498 struct gen_group
*group
=
499 gen_spec_find_struct(spec
, "RENDER_SURFACE_STATE");
503 uint32_t bt_offset
= p
[1] & ~0x1fu
;
504 int bt_entries
= brw_state_batch_size(brw
, bt_offset
) / 4;
505 uint32_t *bt_pointers
= &state
[bt_offset
/ 4];
506 for (int i
= 0; i
< bt_entries
; i
++) {
507 fprintf(stderr
, "SURFACE_STATE - BTI = %d\n", i
);
508 gen_print_group(stderr
, group
, state_gtt_offset
+ bt_pointers
[i
],
509 &state
[bt_pointers
[i
] / 4], 0, color
);
513 case _3DSTATE_SAMPLER_STATE_POINTERS_VS
:
514 case _3DSTATE_SAMPLER_STATE_POINTERS_HS
:
515 case _3DSTATE_SAMPLER_STATE_POINTERS_DS
:
516 case _3DSTATE_SAMPLER_STATE_POINTERS_GS
:
517 case _3DSTATE_SAMPLER_STATE_POINTERS_PS
:
518 decode_structs(brw
, spec
, "SAMPLER_STATE", state
,
519 state_gtt_offset
, p
[1] & ~0x1fu
, 4 * 4, color
);
521 case _3DSTATE_VIEWPORT_STATE_POINTERS
:
522 decode_structs(brw
, spec
, "CLIP_VIEWPORT", state
,
523 state_gtt_offset
, p
[1] & ~0x3fu
, 4 * 4, color
);
524 decode_structs(brw
, spec
, "SF_VIEWPORT", state
,
525 state_gtt_offset
, p
[1] & ~0x3fu
, 8 * 4, color
);
526 decode_structs(brw
, spec
, "CC_VIEWPORT", state
,
527 state_gtt_offset
, p
[3] & ~0x3fu
, 2 * 4, color
);
529 case _3DSTATE_VIEWPORT_STATE_POINTERS_CC
:
530 decode_structs(brw
, spec
, "CC_VIEWPORT", state
,
531 state_gtt_offset
, p
[1] & ~0x3fu
, 2 * 4, color
);
533 case _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CL
:
534 decode_structs(brw
, spec
, "SF_CLIP_VIEWPORT", state
,
535 state_gtt_offset
, p
[1] & ~0x3fu
, 16 * 4, color
);
537 case _3DSTATE_SCISSOR_STATE_POINTERS
:
538 decode_structs(brw
, spec
, "SCISSOR_RECT", state
,
539 state_gtt_offset
, p
[1] & ~0x1fu
, 2 * 4, color
);
541 case _3DSTATE_BLEND_STATE_POINTERS
:
542 /* TODO: handle Gen8+ extra dword at the beginning */
543 decode_structs(brw
, spec
, "BLEND_STATE", state
,
544 state_gtt_offset
, p
[1] & ~0x3fu
, 8 * 4, color
);
546 case _3DSTATE_CC_STATE_POINTERS
:
547 if (devinfo
->gen
>= 7) {
548 decode_struct(brw
, spec
, "COLOR_CALC_STATE", state
,
549 state_gtt_offset
, p
[1] & ~0x3fu
, color
);
550 } else if (devinfo
->gen
== 6) {
551 decode_structs(brw
, spec
, "BLEND_STATE", state
,
552 state_gtt_offset
, p
[1] & ~0x3fu
, 2 * 4, color
);
553 decode_struct(brw
, spec
, "DEPTH_STENCIL_STATE", state
,
554 state_gtt_offset
, p
[2] & ~0x3fu
, color
);
555 decode_struct(brw
, spec
, "COLOR_CALC_STATE", state
,
556 state_gtt_offset
, p
[3] & ~0x3fu
, color
);
559 case _3DSTATE_DEPTH_STENCIL_STATE_POINTERS
:
560 decode_struct(brw
, spec
, "DEPTH_STENCIL_STATE", state
,
561 state_gtt_offset
, p
[1] & ~0x3fu
, color
);
563 case MEDIA_INTERFACE_DESCRIPTOR_LOAD
: {
564 struct gen_group
*group
=
565 gen_spec_find_struct(spec
, "RENDER_SURFACE_STATE");
569 uint32_t idd_offset
= p
[3] & ~0x1fu
;
570 decode_struct(brw
, spec
, "INTERFACE_DESCRIPTOR_DATA", state
,
571 state_gtt_offset
, idd_offset
, color
);
573 uint32_t ss_offset
= state
[idd_offset
/ 4 + 3] & ~0x1fu
;
574 decode_structs(brw
, spec
, "SAMPLER_STATE", state
,
575 state_gtt_offset
, ss_offset
, 4 * 4, color
);
577 uint32_t bt_offset
= state
[idd_offset
/ 4 + 4] & ~0x1fu
;
578 int bt_entries
= brw_state_batch_size(brw
, bt_offset
) / 4;
579 uint32_t *bt_pointers
= &state
[bt_offset
/ 4];
580 for (int i
= 0; i
< bt_entries
; i
++) {
581 fprintf(stderr
, "SURFACE_STATE - BTI = %d\n", i
);
582 gen_print_group(stderr
, group
, state_gtt_offset
+ bt_pointers
[i
],
583 &state
[bt_pointers
[i
] / 4], 0, color
);
590 brw_bo_unmap(batch
->batch
.bo
);
591 brw_bo_unmap(batch
->state
.bo
);
594 static void do_batch_dump(struct brw_context
*brw
) { }
598 * Called when starting a new batch buffer.
601 brw_new_batch(struct brw_context
*brw
)
603 /* Unreference any BOs held by the previous batch, and reset counts. */
604 for (int i
= 0; i
< brw
->batch
.exec_count
; i
++) {
605 brw_bo_unreference(brw
->batch
.exec_bos
[i
]);
606 brw
->batch
.exec_bos
[i
] = NULL
;
608 brw
->batch
.batch_relocs
.reloc_count
= 0;
609 brw
->batch
.state_relocs
.reloc_count
= 0;
610 brw
->batch
.exec_count
= 0;
611 brw
->batch
.aperture_space
= 0;
613 brw_bo_unreference(brw
->batch
.state
.bo
);
615 /* Create a new batchbuffer and reset the associated state: */
616 intel_batchbuffer_reset_and_clear_render_cache(brw
);
618 /* If the kernel supports hardware contexts, then most hardware state is
619 * preserved between batches; we only need to re-emit state that is required
620 * to be in every batch. Otherwise we need to re-emit all the state that
621 * would otherwise be stored in the context (which for all intents and
622 * purposes means everything).
624 if (brw
->hw_ctx
== 0) {
625 brw
->ctx
.NewDriverState
|= BRW_NEW_CONTEXT
;
626 brw_upload_invariant_state(brw
);
629 brw
->ctx
.NewDriverState
|= BRW_NEW_BATCH
;
631 brw
->ib
.index_size
= -1;
633 /* We need to periodically reap the shader time results, because rollover
634 * happens every few seconds. We also want to see results every once in a
635 * while, because many programs won't cleanly destroy our context, so the
636 * end-of-run printout may not happen.
638 if (INTEL_DEBUG
& DEBUG_SHADER_TIME
)
639 brw_collect_and_report_shader_time(brw
);
643 * Called from intel_batchbuffer_flush before emitting MI_BATCHBUFFER_END and
646 * This function can emit state (say, to preserve registers that aren't saved
650 brw_finish_batch(struct brw_context
*brw
)
652 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
654 brw
->batch
.no_wrap
= true;
656 /* Capture the closing pipeline statistics register values necessary to
657 * support query objects (in the non-hardware context world).
659 brw_emit_query_end(brw
);
661 if (brw
->batch
.ring
== RENDER_RING
) {
662 /* Work around L3 state leaks into contexts set MI_RESTORE_INHIBIT which
663 * assume that the L3 cache is configured according to the hardware
666 if (devinfo
->gen
>= 7)
667 gen7_restore_default_l3_config(brw
);
669 if (devinfo
->is_haswell
) {
670 /* From the Haswell PRM, Volume 2b, Command Reference: Instructions,
671 * 3DSTATE_CC_STATE_POINTERS > "Note":
673 * "SW must program 3DSTATE_CC_STATE_POINTERS command at the end of every
674 * 3D batch buffer followed by a PIPE_CONTROL with RC flush and CS stall."
676 * From the example in the docs, it seems to expect a regular pipe control
677 * flush here as well. We may have done it already, but meh.
679 * See also WaAvoidRCZCounterRollover.
681 brw_emit_mi_flush(brw
);
683 OUT_BATCH(_3DSTATE_CC_STATE_POINTERS
<< 16 | (2 - 2));
684 OUT_BATCH(brw
->cc
.state_offset
| 1);
686 brw_emit_pipe_control_flush(brw
, PIPE_CONTROL_RENDER_TARGET_FLUSH
|
687 PIPE_CONTROL_CS_STALL
);
691 /* Emit MI_BATCH_BUFFER_END to finish our batch. Note that execbuf2
692 * requires our batch size to be QWord aligned, so we pad it out if
693 * necessary by emitting an extra MI_NOOP after the end.
695 intel_batchbuffer_require_space(brw
, 8, brw
->batch
.ring
);
696 *brw
->batch
.map_next
++ = MI_BATCH_BUFFER_END
;
697 if (USED_BATCH(brw
->batch
) & 1) {
698 *brw
->batch
.map_next
++ = MI_NOOP
;
701 brw
->batch
.no_wrap
= false;
705 throttle(struct brw_context
*brw
)
707 /* Wait for the swapbuffers before the one we just emitted, so we
708 * don't get too many swaps outstanding for apps that are GPU-heavy
711 * We're using intelDRI2Flush (called from the loader before
712 * swapbuffer) and glFlush (for front buffer rendering) as the
713 * indicator that a frame is done and then throttle when we get
714 * here as we prepare to render the next frame. At this point for
715 * round trips for swap/copy and getting new buffers are done and
716 * we'll spend less time waiting on the GPU.
718 * Unfortunately, we don't have a handle to the batch containing
719 * the swap, and getting our hands on that doesn't seem worth it,
720 * so we just use the first batch we emitted after the last swap.
722 if (brw
->need_swap_throttle
&& brw
->throttle_batch
[0]) {
723 if (brw
->throttle_batch
[1]) {
724 if (!brw
->disable_throttling
) {
725 /* Pass NULL rather than brw so we avoid perf_debug warnings;
726 * stalling is common and expected here...
728 brw_bo_wait_rendering(brw
->throttle_batch
[1]);
730 brw_bo_unreference(brw
->throttle_batch
[1]);
732 brw
->throttle_batch
[1] = brw
->throttle_batch
[0];
733 brw
->throttle_batch
[0] = NULL
;
734 brw
->need_swap_throttle
= false;
735 /* Throttling here is more precise than the throttle ioctl, so skip it */
736 brw
->need_flush_throttle
= false;
739 if (brw
->need_flush_throttle
) {
740 __DRIscreen
*dri_screen
= brw
->screen
->driScrnPriv
;
741 drmCommandNone(dri_screen
->fd
, DRM_I915_GEM_THROTTLE
);
742 brw
->need_flush_throttle
= false;
748 struct intel_batchbuffer
*batch
,
755 struct drm_i915_gem_execbuffer2 execbuf
= {
756 .buffers_ptr
= (uintptr_t) batch
->validation_list
,
757 .buffer_count
= batch
->exec_count
,
758 .batch_start_offset
= 0,
761 .rsvd1
= ctx_id
, /* rsvd1 is actually the context ID */
764 unsigned long cmd
= DRM_IOCTL_I915_GEM_EXECBUFFER2
;
766 if (in_fence
!= -1) {
767 execbuf
.rsvd2
= in_fence
;
768 execbuf
.flags
|= I915_EXEC_FENCE_IN
;
771 if (out_fence
!= NULL
) {
772 cmd
= DRM_IOCTL_I915_GEM_EXECBUFFER2_WR
;
774 execbuf
.flags
|= I915_EXEC_FENCE_OUT
;
777 int ret
= drmIoctl(fd
, cmd
, &execbuf
);
781 for (int i
= 0; i
< batch
->exec_count
; i
++) {
782 struct brw_bo
*bo
= batch
->exec_bos
[i
];
787 /* Update brw_bo::gtt_offset */
788 if (batch
->validation_list
[i
].offset
!= bo
->gtt_offset
) {
789 DBG("BO %d migrated: 0x%" PRIx64
" -> 0x%llx\n",
790 bo
->gem_handle
, bo
->gtt_offset
,
791 batch
->validation_list
[i
].offset
);
792 bo
->gtt_offset
= batch
->validation_list
[i
].offset
;
796 if (ret
== 0 && out_fence
!= NULL
)
797 *out_fence
= execbuf
.rsvd2
>> 32;
803 submit_batch(struct brw_context
*brw
, int in_fence_fd
, int *out_fence_fd
)
805 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
806 __DRIscreen
*dri_screen
= brw
->screen
->driScrnPriv
;
807 struct intel_batchbuffer
*batch
= &brw
->batch
;
810 if (batch
->use_shadow_copy
) {
811 void *bo_map
= brw_bo_map(brw
, batch
->batch
.bo
, MAP_WRITE
);
812 memcpy(bo_map
, batch
->batch
.map
, 4 * USED_BATCH(*batch
));
814 bo_map
= brw_bo_map(brw
, batch
->state
.bo
, MAP_WRITE
);
815 memcpy(bo_map
, batch
->state
.map
, batch
->state_used
);
818 brw_bo_unmap(batch
->batch
.bo
);
819 brw_bo_unmap(batch
->state
.bo
);
821 if (!brw
->screen
->no_hw
) {
822 /* The requirement for using I915_EXEC_NO_RELOC are:
824 * The addresses written in the objects must match the corresponding
825 * reloc.gtt_offset which in turn must match the corresponding
828 * Any render targets written to in the batch must be flagged with
831 * To avoid stalling, execobject.offset should match the current
832 * address of that object within the active context.
834 int flags
= I915_EXEC_NO_RELOC
;
836 if (devinfo
->gen
>= 6 && batch
->ring
== BLT_RING
) {
837 flags
|= I915_EXEC_BLT
;
839 flags
|= I915_EXEC_RENDER
;
841 if (batch
->needs_sol_reset
)
842 flags
|= I915_EXEC_GEN7_SOL_RESET
;
844 uint32_t hw_ctx
= batch
->ring
== RENDER_RING
? brw
->hw_ctx
: 0;
846 /* Set statebuffer relocations */
847 const unsigned state_index
= batch
->state
.bo
->index
;
848 if (state_index
< batch
->exec_count
&&
849 batch
->exec_bos
[state_index
] == batch
->state
.bo
) {
850 struct drm_i915_gem_exec_object2
*entry
=
851 &batch
->validation_list
[state_index
];
852 assert(entry
->handle
== batch
->state
.bo
->gem_handle
);
853 entry
->relocation_count
= batch
->state_relocs
.reloc_count
;
854 entry
->relocs_ptr
= (uintptr_t) batch
->state_relocs
.relocs
;
857 /* Set batchbuffer relocations */
858 struct drm_i915_gem_exec_object2
*entry
= &batch
->validation_list
[0];
859 assert(entry
->handle
== batch
->batch
.bo
->gem_handle
);
860 entry
->relocation_count
= batch
->batch_relocs
.reloc_count
;
861 entry
->relocs_ptr
= (uintptr_t) batch
->batch_relocs
.relocs
;
863 if (batch
->use_batch_first
) {
864 flags
|= I915_EXEC_BATCH_FIRST
| I915_EXEC_HANDLE_LUT
;
866 /* Move the batch to the end of the validation list */
867 struct drm_i915_gem_exec_object2 tmp
;
868 const unsigned index
= batch
->exec_count
- 1;
871 *entry
= batch
->validation_list
[index
];
872 batch
->validation_list
[index
] = tmp
;
875 ret
= execbuffer(dri_screen
->fd
, batch
, hw_ctx
,
876 4 * USED_BATCH(*batch
),
877 in_fence_fd
, out_fence_fd
, flags
);
882 if (unlikely(INTEL_DEBUG
& DEBUG_BATCH
))
885 if (brw
->ctx
.Const
.ResetStrategy
== GL_LOSE_CONTEXT_ON_RESET_ARB
)
886 brw_check_for_reset(brw
);
889 fprintf(stderr
, "i965: Failed to submit batchbuffer: %s\n",
898 * The in_fence_fd is ignored if -1. Otherwise this function takes ownership
901 * The out_fence_fd is ignored if NULL. Otherwise, the caller takes ownership
902 * of the returned fd.
905 _intel_batchbuffer_flush_fence(struct brw_context
*brw
,
906 int in_fence_fd
, int *out_fence_fd
,
907 const char *file
, int line
)
911 if (USED_BATCH(brw
->batch
) == 0)
914 /* Check that we didn't just wrap our batchbuffer at a bad time. */
915 assert(!brw
->batch
.no_wrap
);
917 brw_finish_batch(brw
);
918 intel_upload_finish(brw
);
920 if (brw
->throttle_batch
[0] == NULL
) {
921 brw
->throttle_batch
[0] = brw
->batch
.batch
.bo
;
922 brw_bo_reference(brw
->throttle_batch
[0]);
925 if (unlikely(INTEL_DEBUG
& (DEBUG_BATCH
| DEBUG_SUBMIT
))) {
926 int bytes_for_commands
= 4 * USED_BATCH(brw
->batch
);
927 int bytes_for_state
= brw
->batch
.state_used
;
928 fprintf(stderr
, "%19s:%-3d: Batchbuffer flush with %5db (%0.1f%%) (pkt),"
929 " %5db (%0.1f%%) (state), %4d BOs (%0.1fMb aperture),"
930 " %4d batch relocs, %4d state relocs\n", file
, line
,
931 bytes_for_commands
, 100.0f
* bytes_for_commands
/ BATCH_SZ
,
932 bytes_for_state
, 100.0f
* bytes_for_state
/ STATE_SZ
,
933 brw
->batch
.exec_count
,
934 (float) brw
->batch
.aperture_space
/ (1024 * 1024),
935 brw
->batch
.batch_relocs
.reloc_count
,
936 brw
->batch
.state_relocs
.reloc_count
);
939 ret
= submit_batch(brw
, in_fence_fd
, out_fence_fd
);
941 if (unlikely(INTEL_DEBUG
& DEBUG_SYNC
)) {
942 fprintf(stderr
, "waiting for idle\n");
943 brw_bo_wait_rendering(brw
->batch
.batch
.bo
);
946 /* Start a new batch buffer. */
953 brw_batch_has_aperture_space(struct brw_context
*brw
, unsigned extra_space
)
955 return brw
->batch
.aperture_space
+ extra_space
<=
956 brw
->screen
->aperture_threshold
;
960 brw_batch_references(struct intel_batchbuffer
*batch
, struct brw_bo
*bo
)
962 unsigned index
= READ_ONCE(bo
->index
);
963 if (index
< batch
->exec_count
&& batch
->exec_bos
[index
] == bo
)
966 for (int i
= 0; i
< batch
->exec_count
; i
++) {
967 if (batch
->exec_bos
[i
] == bo
)
973 /* This is the only way buffers get added to the validate list.
976 emit_reloc(struct intel_batchbuffer
*batch
,
977 struct brw_reloc_list
*rlist
, uint32_t offset
,
978 struct brw_bo
*target
, uint32_t target_offset
,
979 unsigned int reloc_flags
)
981 assert(target
!= NULL
);
983 if (rlist
->reloc_count
== rlist
->reloc_array_size
) {
984 rlist
->reloc_array_size
*= 2;
985 rlist
->relocs
= realloc(rlist
->relocs
,
986 rlist
->reloc_array_size
*
987 sizeof(struct drm_i915_gem_relocation_entry
));
990 unsigned int index
= add_exec_bo(batch
, target
);
991 struct drm_i915_gem_exec_object2
*entry
= &batch
->validation_list
[index
];
994 entry
->flags
|= reloc_flags
& batch
->valid_reloc_flags
;
996 rlist
->relocs
[rlist
->reloc_count
++] =
997 (struct drm_i915_gem_relocation_entry
) {
999 .delta
= target_offset
,
1000 .target_handle
= batch
->use_batch_first
? index
: target
->gem_handle
,
1001 .presumed_offset
= entry
->offset
,
1004 /* Using the old buffer offset, write in what the right data would be, in
1005 * case the buffer doesn't move and we can short-circuit the relocation
1006 * processing in the kernel
1008 return entry
->offset
+ target_offset
;
1012 brw_batch_reloc(struct intel_batchbuffer
*batch
, uint32_t batch_offset
,
1013 struct brw_bo
*target
, uint32_t target_offset
,
1014 unsigned int reloc_flags
)
1016 assert(batch_offset
<= batch
->batch
.bo
->size
- sizeof(uint32_t));
1018 return emit_reloc(batch
, &batch
->batch_relocs
, batch_offset
,
1019 target
, target_offset
, reloc_flags
);
1023 brw_state_reloc(struct intel_batchbuffer
*batch
, uint32_t state_offset
,
1024 struct brw_bo
*target
, uint32_t target_offset
,
1025 unsigned int reloc_flags
)
1027 assert(state_offset
<= batch
->state
.bo
->size
- sizeof(uint32_t));
1029 return emit_reloc(batch
, &batch
->state_relocs
, state_offset
,
1030 target
, target_offset
, reloc_flags
);
1035 brw_state_batch_size(struct brw_context
*brw
, uint32_t offset
)
1037 struct hash_entry
*entry
=
1038 _mesa_hash_table_search(brw
->batch
.state_batch_sizes
,
1039 (void *) (uintptr_t) offset
);
1040 return entry
? (uintptr_t) entry
->data
: 0;
1044 * Reserve some space in the statebuffer, or flush.
1046 * This is used to estimate when we're near the end of the batch,
1047 * so we can flush early.
1050 brw_require_statebuffer_space(struct brw_context
*brw
, int size
)
1052 if (brw
->batch
.state_used
+ size
>= STATE_SZ
)
1053 intel_batchbuffer_flush(brw
);
1057 * Allocates a block of space in the batchbuffer for indirect state.
1060 brw_state_batch(struct brw_context
*brw
,
1063 uint32_t *out_offset
)
1065 struct intel_batchbuffer
*batch
= &brw
->batch
;
1067 assert(size
< batch
->state
.bo
->size
);
1069 uint32_t offset
= ALIGN(batch
->state_used
, alignment
);
1071 if (offset
+ size
>= STATE_SZ
&& !batch
->no_wrap
) {
1072 intel_batchbuffer_flush(brw
);
1073 offset
= ALIGN(batch
->state_used
, alignment
);
1074 } else if (offset
+ size
>= batch
->state
.bo
->size
) {
1075 const unsigned new_size
=
1076 MIN2(batch
->state
.bo
->size
+ batch
->state
.bo
->size
/ 2,
1078 grow_buffer(brw
, &batch
->state
.bo
, &batch
->state
.map
,
1079 batch
->state_used
, new_size
);
1080 assert(offset
+ size
< batch
->state
.bo
->size
);
1083 if (unlikely(INTEL_DEBUG
& DEBUG_BATCH
)) {
1084 _mesa_hash_table_insert(batch
->state_batch_sizes
,
1085 (void *) (uintptr_t) offset
,
1086 (void *) (uintptr_t) size
);
1089 batch
->state_used
= offset
+ size
;
1091 *out_offset
= offset
;
1092 return batch
->state
.map
+ (offset
>> 2);
1096 intel_batchbuffer_data(struct brw_context
*brw
,
1097 const void *data
, GLuint bytes
, enum brw_gpu_ring ring
)
1099 assert((bytes
& 3) == 0);
1100 intel_batchbuffer_require_space(brw
, bytes
, ring
);
1101 memcpy(brw
->batch
.map_next
, data
, bytes
);
1102 brw
->batch
.map_next
+= bytes
>> 2;
1106 load_sized_register_mem(struct brw_context
*brw
,
1112 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
1115 /* MI_LOAD_REGISTER_MEM only exists on Gen7+. */
1116 assert(devinfo
->gen
>= 7);
1118 if (devinfo
->gen
>= 8) {
1119 BEGIN_BATCH(4 * size
);
1120 for (i
= 0; i
< size
; i
++) {
1121 OUT_BATCH(GEN7_MI_LOAD_REGISTER_MEM
| (4 - 2));
1122 OUT_BATCH(reg
+ i
* 4);
1123 OUT_RELOC64(bo
, 0, offset
+ i
* 4);
1127 BEGIN_BATCH(3 * size
);
1128 for (i
= 0; i
< size
; i
++) {
1129 OUT_BATCH(GEN7_MI_LOAD_REGISTER_MEM
| (3 - 2));
1130 OUT_BATCH(reg
+ i
* 4);
1131 OUT_RELOC(bo
, 0, offset
+ i
* 4);
1138 brw_load_register_mem(struct brw_context
*brw
,
1143 load_sized_register_mem(brw
, reg
, bo
, offset
, 1);
1147 brw_load_register_mem64(struct brw_context
*brw
,
1152 load_sized_register_mem(brw
, reg
, bo
, offset
, 2);
1156 * Write an arbitrary 32-bit register to a buffer via MI_STORE_REGISTER_MEM.
1159 brw_store_register_mem32(struct brw_context
*brw
,
1160 struct brw_bo
*bo
, uint32_t reg
, uint32_t offset
)
1162 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
1164 assert(devinfo
->gen
>= 6);
1166 if (devinfo
->gen
>= 8) {
1168 OUT_BATCH(MI_STORE_REGISTER_MEM
| (4 - 2));
1170 OUT_RELOC64(bo
, RELOC_WRITE
, offset
);
1174 OUT_BATCH(MI_STORE_REGISTER_MEM
| (3 - 2));
1176 OUT_RELOC(bo
, RELOC_WRITE
| RELOC_NEEDS_GGTT
, offset
);
1182 * Write an arbitrary 64-bit register to a buffer via MI_STORE_REGISTER_MEM.
1185 brw_store_register_mem64(struct brw_context
*brw
,
1186 struct brw_bo
*bo
, uint32_t reg
, uint32_t offset
)
1188 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
1190 assert(devinfo
->gen
>= 6);
1192 /* MI_STORE_REGISTER_MEM only stores a single 32-bit value, so to
1193 * read a full 64-bit register, we need to do two of them.
1195 if (devinfo
->gen
>= 8) {
1197 OUT_BATCH(MI_STORE_REGISTER_MEM
| (4 - 2));
1199 OUT_RELOC64(bo
, RELOC_WRITE
, offset
);
1200 OUT_BATCH(MI_STORE_REGISTER_MEM
| (4 - 2));
1201 OUT_BATCH(reg
+ sizeof(uint32_t));
1202 OUT_RELOC64(bo
, RELOC_WRITE
, offset
+ sizeof(uint32_t));
1206 OUT_BATCH(MI_STORE_REGISTER_MEM
| (3 - 2));
1208 OUT_RELOC(bo
, RELOC_WRITE
| RELOC_NEEDS_GGTT
, offset
);
1209 OUT_BATCH(MI_STORE_REGISTER_MEM
| (3 - 2));
1210 OUT_BATCH(reg
+ sizeof(uint32_t));
1211 OUT_RELOC(bo
, RELOC_WRITE
| RELOC_NEEDS_GGTT
, offset
+ sizeof(uint32_t));
1217 * Write a 32-bit register using immediate data.
1220 brw_load_register_imm32(struct brw_context
*brw
, uint32_t reg
, uint32_t imm
)
1222 assert(brw
->screen
->devinfo
.gen
>= 6);
1225 OUT_BATCH(MI_LOAD_REGISTER_IMM
| (3 - 2));
1232 * Write a 64-bit register using immediate data.
1235 brw_load_register_imm64(struct brw_context
*brw
, uint32_t reg
, uint64_t imm
)
1237 assert(brw
->screen
->devinfo
.gen
>= 6);
1240 OUT_BATCH(MI_LOAD_REGISTER_IMM
| (5 - 2));
1242 OUT_BATCH(imm
& 0xffffffff);
1244 OUT_BATCH(imm
>> 32);
1249 * Copies a 32-bit register.
1252 brw_load_register_reg(struct brw_context
*brw
, uint32_t src
, uint32_t dest
)
1254 assert(brw
->screen
->devinfo
.gen
>= 8 || brw
->screen
->devinfo
.is_haswell
);
1257 OUT_BATCH(MI_LOAD_REGISTER_REG
| (3 - 2));
1264 * Copies a 64-bit register.
1267 brw_load_register_reg64(struct brw_context
*brw
, uint32_t src
, uint32_t dest
)
1269 assert(brw
->screen
->devinfo
.gen
>= 8 || brw
->screen
->devinfo
.is_haswell
);
1272 OUT_BATCH(MI_LOAD_REGISTER_REG
| (3 - 2));
1275 OUT_BATCH(MI_LOAD_REGISTER_REG
| (3 - 2));
1276 OUT_BATCH(src
+ sizeof(uint32_t));
1277 OUT_BATCH(dest
+ sizeof(uint32_t));
1282 * Write 32-bits of immediate data to a GPU memory buffer.
1285 brw_store_data_imm32(struct brw_context
*brw
, struct brw_bo
*bo
,
1286 uint32_t offset
, uint32_t imm
)
1288 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
1290 assert(devinfo
->gen
>= 6);
1293 OUT_BATCH(MI_STORE_DATA_IMM
| (4 - 2));
1294 if (devinfo
->gen
>= 8)
1295 OUT_RELOC64(bo
, RELOC_WRITE
, offset
);
1297 OUT_BATCH(0); /* MBZ */
1298 OUT_RELOC(bo
, RELOC_WRITE
, offset
);
1305 * Write 64-bits of immediate data to a GPU memory buffer.
1308 brw_store_data_imm64(struct brw_context
*brw
, struct brw_bo
*bo
,
1309 uint32_t offset
, uint64_t imm
)
1311 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
1313 assert(devinfo
->gen
>= 6);
1316 OUT_BATCH(MI_STORE_DATA_IMM
| (5 - 2));
1317 if (devinfo
->gen
>= 8)
1318 OUT_RELOC64(bo
, 0, offset
);
1320 OUT_BATCH(0); /* MBZ */
1321 OUT_RELOC(bo
, RELOC_WRITE
, offset
);
1323 OUT_BATCH(imm
& 0xffffffffu
);
1324 OUT_BATCH(imm
>> 32);