2 * Copyright © 2017 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
24 * @file iris_resource.c
26 * Resources are images, buffers, and other objects used by the GPU.
28 * XXX: explain resources
33 #include "pipe/p_defines.h"
34 #include "pipe/p_state.h"
35 #include "pipe/p_context.h"
36 #include "pipe/p_screen.h"
37 #include "util/os_memory.h"
38 #include "util/u_cpu_detect.h"
39 #include "util/u_inlines.h"
40 #include "util/u_format.h"
41 #include "util/u_threaded_context.h"
42 #include "util/u_transfer.h"
43 #include "util/u_transfer_helper.h"
44 #include "util/u_upload_mgr.h"
45 #include "util/ralloc.h"
46 #include "iris_batch.h"
47 #include "iris_context.h"
48 #include "iris_resource.h"
49 #include "iris_screen.h"
50 #include "intel/dev/gen_debug.h"
52 #include "drm-uapi/drm_fourcc.h"
53 #include "drm-uapi/i915_drm.h"
55 enum modifier_priority
{
56 MODIFIER_PRIORITY_INVALID
= 0,
57 MODIFIER_PRIORITY_LINEAR
,
60 MODIFIER_PRIORITY_Y_CCS
,
63 static const uint64_t priority_to_modifier
[] = {
64 [MODIFIER_PRIORITY_INVALID
] = DRM_FORMAT_MOD_INVALID
,
65 [MODIFIER_PRIORITY_LINEAR
] = DRM_FORMAT_MOD_LINEAR
,
66 [MODIFIER_PRIORITY_X
] = I915_FORMAT_MOD_X_TILED
,
67 [MODIFIER_PRIORITY_Y
] = I915_FORMAT_MOD_Y_TILED
,
68 [MODIFIER_PRIORITY_Y_CCS
] = I915_FORMAT_MOD_Y_TILED_CCS
,
72 modifier_is_supported(const struct gen_device_info
*devinfo
,
73 enum pipe_format pfmt
, uint64_t modifier
)
75 /* XXX: do something real */
77 case I915_FORMAT_MOD_Y_TILED_CCS
: {
78 if (unlikely(INTEL_DEBUG
& DEBUG_NO_RBC
))
81 enum isl_format rt_format
=
82 iris_format_for_usage(devinfo
, pfmt
,
83 ISL_SURF_USAGE_RENDER_TARGET_BIT
).fmt
;
85 enum isl_format linear_format
= isl_format_srgb_to_linear(rt_format
);
87 if (!isl_format_supports_ccs_e(devinfo
, linear_format
))
92 case I915_FORMAT_MOD_Y_TILED
:
93 case I915_FORMAT_MOD_X_TILED
:
94 case DRM_FORMAT_MOD_LINEAR
:
96 case DRM_FORMAT_MOD_INVALID
:
103 select_best_modifier(struct gen_device_info
*devinfo
, enum pipe_format pfmt
,
104 const uint64_t *modifiers
,
107 enum modifier_priority prio
= MODIFIER_PRIORITY_INVALID
;
109 for (int i
= 0; i
< count
; i
++) {
110 if (!modifier_is_supported(devinfo
, pfmt
, modifiers
[i
]))
113 switch (modifiers
[i
]) {
114 case I915_FORMAT_MOD_Y_TILED_CCS
:
115 prio
= MAX2(prio
, MODIFIER_PRIORITY_Y_CCS
);
117 case I915_FORMAT_MOD_Y_TILED
:
118 prio
= MAX2(prio
, MODIFIER_PRIORITY_Y
);
120 case I915_FORMAT_MOD_X_TILED
:
121 prio
= MAX2(prio
, MODIFIER_PRIORITY_X
);
123 case DRM_FORMAT_MOD_LINEAR
:
124 prio
= MAX2(prio
, MODIFIER_PRIORITY_LINEAR
);
126 case DRM_FORMAT_MOD_INVALID
:
132 return priority_to_modifier
[prio
];
136 target_to_isl_surf_dim(enum pipe_texture_target target
)
140 case PIPE_TEXTURE_1D
:
141 case PIPE_TEXTURE_1D_ARRAY
:
142 return ISL_SURF_DIM_1D
;
143 case PIPE_TEXTURE_2D
:
144 case PIPE_TEXTURE_CUBE
:
145 case PIPE_TEXTURE_RECT
:
146 case PIPE_TEXTURE_2D_ARRAY
:
147 case PIPE_TEXTURE_CUBE_ARRAY
:
148 return ISL_SURF_DIM_2D
;
149 case PIPE_TEXTURE_3D
:
150 return ISL_SURF_DIM_3D
;
151 case PIPE_MAX_TEXTURE_TYPES
:
154 unreachable("invalid texture type");
158 iris_query_dmabuf_modifiers(struct pipe_screen
*pscreen
,
159 enum pipe_format pfmt
,
162 unsigned int *external_only
,
165 struct iris_screen
*screen
= (void *) pscreen
;
166 const struct gen_device_info
*devinfo
= &screen
->devinfo
;
168 uint64_t all_modifiers
[] = {
169 DRM_FORMAT_MOD_LINEAR
,
170 I915_FORMAT_MOD_X_TILED
,
171 I915_FORMAT_MOD_Y_TILED
,
172 I915_FORMAT_MOD_Y_TILED_CCS
,
175 int supported_mods
= 0;
177 for (int i
= 0; i
< ARRAY_SIZE(all_modifiers
); i
++) {
178 if (!modifier_is_supported(devinfo
, pfmt
, all_modifiers
[i
]))
181 if (supported_mods
< max
) {
183 modifiers
[supported_mods
] = all_modifiers
[i
];
186 external_only
[supported_mods
] = util_format_is_yuv(pfmt
);
192 *count
= supported_mods
;
195 static isl_surf_usage_flags_t
196 pipe_bind_to_isl_usage(unsigned bindings
)
198 isl_surf_usage_flags_t usage
= 0;
200 if (bindings
& PIPE_BIND_RENDER_TARGET
)
201 usage
|= ISL_SURF_USAGE_RENDER_TARGET_BIT
;
203 if (bindings
& PIPE_BIND_SAMPLER_VIEW
)
204 usage
|= ISL_SURF_USAGE_TEXTURE_BIT
;
206 if (bindings
& (PIPE_BIND_SHADER_IMAGE
| PIPE_BIND_SHADER_BUFFER
))
207 usage
|= ISL_SURF_USAGE_STORAGE_BIT
;
209 if (bindings
& PIPE_BIND_DISPLAY_TARGET
)
210 usage
|= ISL_SURF_USAGE_DISPLAY_BIT
;
215 struct pipe_resource
*
216 iris_resource_get_separate_stencil(struct pipe_resource
*p_res
)
218 /* For packed depth-stencil, we treat depth as the primary resource
219 * and store S8 as the "second plane" resource.
221 if (p_res
->next
&& p_res
->next
->format
== PIPE_FORMAT_S8_UINT
)
229 iris_resource_set_separate_stencil(struct pipe_resource
*p_res
,
230 struct pipe_resource
*stencil
)
232 assert(util_format_has_depth(util_format_description(p_res
->format
)));
233 pipe_resource_reference(&p_res
->next
, stencil
);
237 iris_get_depth_stencil_resources(struct pipe_resource
*res
,
238 struct iris_resource
**out_z
,
239 struct iris_resource
**out_s
)
247 if (res
->format
!= PIPE_FORMAT_S8_UINT
) {
248 *out_z
= (void *) res
;
249 *out_s
= (void *) iris_resource_get_separate_stencil(res
);
252 *out_s
= (void *) res
;
257 iris_get_isl_dim_layout(const struct gen_device_info
*devinfo
,
258 enum isl_tiling tiling
,
259 enum pipe_texture_target target
)
262 case PIPE_TEXTURE_1D
:
263 case PIPE_TEXTURE_1D_ARRAY
:
264 return (devinfo
->gen
>= 9 && tiling
== ISL_TILING_LINEAR
?
265 ISL_DIM_LAYOUT_GEN9_1D
: ISL_DIM_LAYOUT_GEN4_2D
);
267 case PIPE_TEXTURE_2D
:
268 case PIPE_TEXTURE_2D_ARRAY
:
269 case PIPE_TEXTURE_RECT
:
270 case PIPE_TEXTURE_CUBE
:
271 case PIPE_TEXTURE_CUBE_ARRAY
:
272 return ISL_DIM_LAYOUT_GEN4_2D
;
274 case PIPE_TEXTURE_3D
:
275 return (devinfo
->gen
>= 9 ?
276 ISL_DIM_LAYOUT_GEN4_2D
: ISL_DIM_LAYOUT_GEN4_3D
);
278 case PIPE_MAX_TEXTURE_TYPES
:
282 unreachable("invalid texture type");
286 iris_resource_disable_aux(struct iris_resource
*res
)
288 iris_bo_unreference(res
->aux
.bo
);
289 iris_bo_unreference(res
->aux
.clear_color_bo
);
290 free(res
->aux
.state
);
292 res
->aux
.usage
= ISL_AUX_USAGE_NONE
;
293 res
->aux
.possible_usages
= 1 << ISL_AUX_USAGE_NONE
;
294 res
->aux
.sampler_usages
= 1 << ISL_AUX_USAGE_NONE
;
295 res
->aux
.surf
.size_B
= 0;
297 res
->aux
.clear_color_bo
= NULL
;
298 res
->aux
.state
= NULL
;
302 iris_resource_destroy(struct pipe_screen
*screen
,
303 struct pipe_resource
*resource
)
305 struct iris_resource
*res
= (struct iris_resource
*)resource
;
307 if (resource
->target
== PIPE_BUFFER
)
308 util_range_destroy(&res
->valid_buffer_range
);
310 iris_resource_disable_aux(res
);
312 iris_bo_unreference(res
->bo
);
316 static struct iris_resource
*
317 iris_alloc_resource(struct pipe_screen
*pscreen
,
318 const struct pipe_resource
*templ
)
320 struct iris_resource
*res
= calloc(1, sizeof(struct iris_resource
));
325 res
->base
.screen
= pscreen
;
326 pipe_reference_init(&res
->base
.reference
, 1);
328 res
->aux
.possible_usages
= 1 << ISL_AUX_USAGE_NONE
;
329 res
->aux
.sampler_usages
= 1 << ISL_AUX_USAGE_NONE
;
331 if (templ
->target
== PIPE_BUFFER
)
332 util_range_init(&res
->valid_buffer_range
);
338 iris_get_num_logical_layers(const struct iris_resource
*res
, unsigned level
)
340 if (res
->surf
.dim
== ISL_SURF_DIM_3D
)
341 return minify(res
->surf
.logical_level0_px
.depth
, level
);
343 return res
->surf
.logical_level0_px
.array_len
;
346 static enum isl_aux_state
**
347 create_aux_state_map(struct iris_resource
*res
, enum isl_aux_state initial
)
349 uint32_t total_slices
= 0;
350 for (uint32_t level
= 0; level
< res
->surf
.levels
; level
++)
351 total_slices
+= iris_get_num_logical_layers(res
, level
);
353 const size_t per_level_array_size
=
354 res
->surf
.levels
* sizeof(enum isl_aux_state
*);
356 /* We're going to allocate a single chunk of data for both the per-level
357 * reference array and the arrays of aux_state. This makes cleanup
358 * significantly easier.
360 const size_t total_size
=
361 per_level_array_size
+ total_slices
* sizeof(enum isl_aux_state
);
363 void *data
= malloc(total_size
);
367 enum isl_aux_state
**per_level_arr
= data
;
368 enum isl_aux_state
*s
= data
+ per_level_array_size
;
369 for (uint32_t level
= 0; level
< res
->surf
.levels
; level
++) {
370 per_level_arr
[level
] = s
;
371 const unsigned level_layers
= iris_get_num_logical_layers(res
, level
);
372 for (uint32_t a
= 0; a
< level_layers
; a
++)
375 assert((void *)s
== data
+ total_size
);
377 return per_level_arr
;
381 iris_get_aux_clear_color_state_size(struct iris_screen
*screen
)
383 const struct gen_device_info
*devinfo
= &screen
->devinfo
;
385 (devinfo
->gen
>= 10 ? screen
->isl_dev
.ss
.clear_color_state_size
:
386 (devinfo
->gen
>= 9 ? screen
->isl_dev
.ss
.clear_value_size
: 0));
390 * Configure aux for the resource, but don't allocate it. For images which
391 * might be shared with modifiers, we must allocate the image and aux data in
395 iris_resource_configure_aux(struct iris_screen
*screen
,
396 struct iris_resource
*res
, bool imported
,
397 uint64_t *aux_size_B
,
398 uint32_t *alloc_flags
)
400 struct isl_device
*isl_dev
= &screen
->isl_dev
;
401 enum isl_aux_state initial_state
;
402 UNUSED
bool ok
= false;
406 assert(!res
->aux
.bo
);
408 switch (res
->aux
.usage
) {
409 case ISL_AUX_USAGE_NONE
:
410 res
->aux
.surf
.size_B
= 0;
413 case ISL_AUX_USAGE_HIZ
:
414 initial_state
= ISL_AUX_STATE_AUX_INVALID
;
415 ok
= isl_surf_get_hiz_surf(isl_dev
, &res
->surf
, &res
->aux
.surf
);
417 case ISL_AUX_USAGE_MCS
:
418 /* The Ivybridge PRM, Vol 2 Part 1 p326 says:
420 * "When MCS buffer is enabled and bound to MSRT, it is required
421 * that it is cleared prior to any rendering."
423 * Since we only use the MCS buffer for rendering, we just clear it
424 * immediately on allocation. The clear value for MCS buffers is all
425 * 1's, so we simply memset it to 0xff.
427 initial_state
= ISL_AUX_STATE_CLEAR
;
428 ok
= isl_surf_get_mcs_surf(isl_dev
, &res
->surf
, &res
->aux
.surf
);
430 case ISL_AUX_USAGE_CCS_D
:
431 case ISL_AUX_USAGE_CCS_E
:
432 /* When CCS_E is used, we need to ensure that the CCS starts off in
433 * a valid state. From the Sky Lake PRM, "MCS Buffer for Render
436 * "If Software wants to enable Color Compression without Fast
437 * clear, Software needs to initialize MCS with zeros."
439 * A CCS value of 0 indicates that the corresponding block is in the
440 * pass-through state which is what we want.
442 * For CCS_D, do the same thing. On Gen9+, this avoids having any
443 * undefined bits in the aux buffer.
447 isl_drm_modifier_get_default_aux_state(res
->mod_info
->modifier
);
449 initial_state
= ISL_AUX_STATE_PASS_THROUGH
;
450 *alloc_flags
|= BO_ALLOC_ZEROED
;
451 ok
= isl_surf_get_ccs_surf(isl_dev
, &res
->surf
, &res
->aux
.surf
, 0);
455 /* We should have a valid aux_surf. */
459 /* No work is needed for a zero-sized auxiliary buffer. */
460 if (res
->aux
.surf
.size_B
== 0)
463 if (!res
->aux
.state
) {
464 /* Create the aux_state for the auxiliary buffer. */
465 res
->aux
.state
= create_aux_state_map(res
, initial_state
);
470 uint64_t size
= res
->aux
.surf
.size_B
;
472 /* Allocate space in the buffer for storing the clear color. On modern
473 * platforms (gen > 9), we can read it directly from such buffer.
475 * On gen <= 9, we are going to store the clear color on the buffer
476 * anyways, and copy it back to the surface state during state emission.
478 res
->aux
.clear_color_offset
= size
;
479 size
+= iris_get_aux_clear_color_state_size(screen
);
482 if (res
->aux
.usage
== ISL_AUX_USAGE_HIZ
) {
483 for (unsigned level
= 0; level
< res
->surf
.levels
; ++level
) {
484 uint32_t width
= u_minify(res
->surf
.phys_level0_sa
.width
, level
);
485 uint32_t height
= u_minify(res
->surf
.phys_level0_sa
.height
, level
);
487 /* Disable HiZ for LOD > 0 unless the width/height are 8x4 aligned.
488 * For LOD == 0, we can grow the dimensions to make it work.
490 if (level
== 0 || ((width
& 7) == 0 && (height
& 3) == 0))
491 res
->aux
.has_hiz
|= 1 << level
;
499 * Initialize the aux buffer contents.
502 iris_resource_init_aux_buf(struct iris_resource
*res
, uint32_t alloc_flags
,
503 unsigned clear_color_state_size
)
505 if (!(alloc_flags
& BO_ALLOC_ZEROED
)) {
506 void *map
= iris_bo_map(NULL
, res
->aux
.bo
, MAP_WRITE
| MAP_RAW
);
509 iris_resource_disable_aux(res
);
513 if (iris_resource_get_aux_state(res
, 0, 0) != ISL_AUX_STATE_AUX_INVALID
) {
514 uint8_t memset_value
= res
->aux
.usage
== ISL_AUX_USAGE_MCS
? 0xFF : 0;
515 memset((char*)map
+ res
->aux
.offset
, memset_value
,
516 res
->aux
.surf
.size_B
);
519 /* Zero the indirect clear color to match ::fast_clear_color. */
520 memset((char *)map
+ res
->aux
.clear_color_offset
, 0,
521 clear_color_state_size
);
523 iris_bo_unmap(res
->aux
.bo
);
526 if (clear_color_state_size
> 0) {
527 res
->aux
.clear_color_bo
= res
->aux
.bo
;
528 iris_bo_reference(res
->aux
.clear_color_bo
);
535 * Allocate the initial aux surface for a resource based on aux.usage
538 iris_resource_alloc_separate_aux(struct iris_screen
*screen
,
539 struct iris_resource
*res
)
541 uint32_t alloc_flags
;
543 if (!iris_resource_configure_aux(screen
, res
, false, &size
, &alloc_flags
))
549 /* Allocate the auxiliary buffer. ISL has stricter set of alignment rules
550 * the drm allocator. Therefore, one can pass the ISL dimensions in terms
551 * of bytes instead of trying to recalculate based on different format
554 res
->aux
.bo
= iris_bo_alloc_tiled(screen
->bufmgr
, "aux buffer", size
, 4096,
555 IRIS_MEMZONE_OTHER
, I915_TILING_Y
,
556 res
->aux
.surf
.row_pitch_B
, alloc_flags
);
561 if (!iris_resource_init_aux_buf(res
, alloc_flags
,
562 iris_get_aux_clear_color_state_size(screen
)))
569 iris_resource_finish_aux_import(struct pipe_screen
*pscreen
,
570 struct iris_resource
*res
)
572 struct iris_screen
*screen
= (struct iris_screen
*)pscreen
;
573 assert(iris_resource_unfinished_aux_import(res
));
574 assert(!res
->mod_info
->supports_clear_color
);
576 struct iris_resource
*aux_res
= (void *) res
->base
.next
;
577 assert(aux_res
->aux
.surf
.row_pitch_B
&& aux_res
->aux
.offset
&&
580 assert(res
->bo
== aux_res
->aux
.bo
);
581 iris_bo_reference(aux_res
->aux
.bo
);
582 res
->aux
.bo
= aux_res
->aux
.bo
;
584 res
->aux
.offset
= aux_res
->aux
.offset
;
586 assert(res
->bo
->size
>= (res
->aux
.offset
+ res
->aux
.surf
.size_B
));
587 assert(res
->aux
.clear_color_bo
== NULL
);
588 res
->aux
.clear_color_offset
= 0;
590 assert(aux_res
->aux
.surf
.row_pitch_B
== res
->aux
.surf
.row_pitch_B
);
592 unsigned clear_color_state_size
=
593 iris_get_aux_clear_color_state_size(screen
);
595 if (clear_color_state_size
> 0) {
596 res
->aux
.clear_color_bo
=
597 iris_bo_alloc(screen
->bufmgr
, "clear color buffer",
598 clear_color_state_size
, IRIS_MEMZONE_OTHER
);
599 res
->aux
.clear_color_offset
= 0;
602 iris_resource_destroy(&screen
->base
, res
->base
.next
);
603 res
->base
.next
= NULL
;
607 supports_mcs(const struct isl_surf
*surf
)
609 /* MCS compression only applies to multisampled resources. */
610 if (surf
->samples
<= 1)
613 /* Depth and stencil buffers use the IMS (interleaved) layout. */
614 if (isl_surf_usage_is_depth_or_stencil(surf
->usage
))
621 supports_ccs(const struct gen_device_info
*devinfo
,
622 const struct isl_surf
*surf
)
624 /* CCS only supports singlesampled resources. */
625 if (surf
->samples
> 1)
628 /* Note: still need to check the format! */
633 static struct pipe_resource
*
634 iris_resource_create_for_buffer(struct pipe_screen
*pscreen
,
635 const struct pipe_resource
*templ
)
637 struct iris_screen
*screen
= (struct iris_screen
*)pscreen
;
638 struct iris_resource
*res
= iris_alloc_resource(pscreen
, templ
);
640 assert(templ
->target
== PIPE_BUFFER
);
641 assert(templ
->height0
<= 1);
642 assert(templ
->depth0
<= 1);
643 assert(templ
->format
== PIPE_FORMAT_NONE
||
644 util_format_get_blocksize(templ
->format
) == 1);
646 res
->internal_format
= templ
->format
;
647 res
->surf
.tiling
= ISL_TILING_LINEAR
;
649 enum iris_memory_zone memzone
= IRIS_MEMZONE_OTHER
;
650 const char *name
= templ
->target
== PIPE_BUFFER
? "buffer" : "miptree";
651 if (templ
->flags
& IRIS_RESOURCE_FLAG_SHADER_MEMZONE
) {
652 memzone
= IRIS_MEMZONE_SHADER
;
653 name
= "shader kernels";
654 } else if (templ
->flags
& IRIS_RESOURCE_FLAG_SURFACE_MEMZONE
) {
655 memzone
= IRIS_MEMZONE_SURFACE
;
656 name
= "surface state";
657 } else if (templ
->flags
& IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE
) {
658 memzone
= IRIS_MEMZONE_DYNAMIC
;
659 name
= "dynamic state";
662 res
->bo
= iris_bo_alloc(screen
->bufmgr
, name
, templ
->width0
, memzone
);
664 iris_resource_destroy(pscreen
, &res
->base
);
671 static struct pipe_resource
*
672 iris_resource_create_with_modifiers(struct pipe_screen
*pscreen
,
673 const struct pipe_resource
*templ
,
674 const uint64_t *modifiers
,
677 struct iris_screen
*screen
= (struct iris_screen
*)pscreen
;
678 struct gen_device_info
*devinfo
= &screen
->devinfo
;
679 struct iris_resource
*res
= iris_alloc_resource(pscreen
, templ
);
684 const struct util_format_description
*format_desc
=
685 util_format_description(templ
->format
);
686 const bool has_depth
= util_format_has_depth(format_desc
);
688 select_best_modifier(devinfo
, templ
->format
, modifiers
, modifiers_count
);
690 isl_tiling_flags_t tiling_flags
= ISL_TILING_ANY_MASK
;
692 if (modifier
!= DRM_FORMAT_MOD_INVALID
) {
693 res
->mod_info
= isl_drm_modifier_get_info(modifier
);
695 tiling_flags
= 1 << res
->mod_info
->tiling
;
697 if (modifiers_count
> 0) {
698 fprintf(stderr
, "Unsupported modifier, resource creation failed.\n");
702 /* No modifiers - we can select our own tiling. */
705 /* Depth must be Y-tiled */
706 tiling_flags
= ISL_TILING_Y0_BIT
;
707 } else if (templ
->format
== PIPE_FORMAT_S8_UINT
) {
708 /* Stencil must be W-tiled */
709 tiling_flags
= ISL_TILING_W_BIT
;
710 } else if (templ
->target
== PIPE_BUFFER
||
711 templ
->target
== PIPE_TEXTURE_1D
||
712 templ
->target
== PIPE_TEXTURE_1D_ARRAY
) {
713 /* Use linear for buffers and 1D textures */
714 tiling_flags
= ISL_TILING_LINEAR_BIT
;
717 /* Use linear for staging buffers */
718 if (templ
->usage
== PIPE_USAGE_STAGING
||
719 templ
->bind
& (PIPE_BIND_LINEAR
| PIPE_BIND_CURSOR
) )
720 tiling_flags
= ISL_TILING_LINEAR_BIT
;
723 isl_surf_usage_flags_t usage
= pipe_bind_to_isl_usage(templ
->bind
);
725 if (templ
->target
== PIPE_TEXTURE_CUBE
||
726 templ
->target
== PIPE_TEXTURE_CUBE_ARRAY
)
727 usage
|= ISL_SURF_USAGE_CUBE_BIT
;
729 if (templ
->usage
!= PIPE_USAGE_STAGING
) {
730 if (templ
->format
== PIPE_FORMAT_S8_UINT
)
731 usage
|= ISL_SURF_USAGE_STENCIL_BIT
;
733 usage
|= ISL_SURF_USAGE_DEPTH_BIT
;
736 enum pipe_format pfmt
= templ
->format
;
737 res
->internal_format
= pfmt
;
739 /* Should be handled by u_transfer_helper */
740 assert(!util_format_is_depth_and_stencil(pfmt
));
742 struct iris_format_info fmt
= iris_format_for_usage(devinfo
, pfmt
, usage
);
743 assert(fmt
.fmt
!= ISL_FORMAT_UNSUPPORTED
);
745 UNUSED
const bool isl_surf_created_successfully
=
746 isl_surf_init(&screen
->isl_dev
, &res
->surf
,
747 .dim
= target_to_isl_surf_dim(templ
->target
),
749 .width
= templ
->width0
,
750 .height
= templ
->height0
,
751 .depth
= templ
->depth0
,
752 .levels
= templ
->last_level
+ 1,
753 .array_len
= templ
->array_size
,
754 .samples
= MAX2(templ
->nr_samples
, 1),
755 .min_alignment_B
= 0,
758 .tiling_flags
= tiling_flags
);
759 assert(isl_surf_created_successfully
);
762 res
->aux
.possible_usages
|= 1 << res
->mod_info
->aux_usage
;
763 } else if (supports_mcs(&res
->surf
)) {
764 res
->aux
.possible_usages
|= 1 << ISL_AUX_USAGE_MCS
;
765 } else if (has_depth
) {
766 if (likely(!(INTEL_DEBUG
& DEBUG_NO_HIZ
)))
767 res
->aux
.possible_usages
|= 1 << ISL_AUX_USAGE_HIZ
;
768 } else if (likely(!(INTEL_DEBUG
& DEBUG_NO_RBC
)) &&
769 supports_ccs(devinfo
, &res
->surf
)) {
770 if (isl_format_supports_ccs_e(devinfo
, res
->surf
.format
))
771 res
->aux
.possible_usages
|= 1 << ISL_AUX_USAGE_CCS_E
;
773 if (isl_format_supports_ccs_d(devinfo
, res
->surf
.format
))
774 res
->aux
.possible_usages
|= 1 << ISL_AUX_USAGE_CCS_D
;
777 res
->aux
.usage
= util_last_bit(res
->aux
.possible_usages
) - 1;
779 res
->aux
.sampler_usages
= res
->aux
.possible_usages
;
781 /* We don't always support sampling with hiz. But when we do, it must be
784 if (!devinfo
->has_sample_with_hiz
|| res
->surf
.samples
> 1) {
785 res
->aux
.sampler_usages
&= ~(1 << ISL_AUX_USAGE_HIZ
);
788 const char *name
= "miptree";
789 enum iris_memory_zone memzone
= IRIS_MEMZONE_OTHER
;
791 unsigned int flags
= 0;
792 if (templ
->usage
== PIPE_USAGE_STAGING
)
793 flags
|= BO_ALLOC_COHERENT
;
795 /* These are for u_upload_mgr buffers only */
796 assert(!(templ
->flags
& (IRIS_RESOURCE_FLAG_SHADER_MEMZONE
|
797 IRIS_RESOURCE_FLAG_SURFACE_MEMZONE
|
798 IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE
)));
800 uint32_t aux_preferred_alloc_flags
;
801 uint64_t aux_size
= 0;
803 iris_resource_configure_aux(screen
, res
, false, &aux_size
,
804 &aux_preferred_alloc_flags
);
805 aux_enabled
= aux_enabled
&& res
->aux
.surf
.size_B
> 0;
806 const bool separate_aux
= aux_enabled
&& !res
->mod_info
;
810 if (aux_enabled
&& !separate_aux
) {
811 /* Allocate aux data with main surface. This is required for modifiers
812 * with aux data (ccs).
814 aux_offset
= ALIGN(res
->surf
.size_B
, res
->aux
.surf
.alignment_B
);
815 bo_size
= aux_offset
+ aux_size
;
818 bo_size
= res
->surf
.size_B
;
821 res
->bo
= iris_bo_alloc_tiled(screen
->bufmgr
, name
, bo_size
, 4096, memzone
,
822 isl_tiling_to_i915_tiling(res
->surf
.tiling
),
823 res
->surf
.row_pitch_B
, flags
);
830 if (!iris_resource_alloc_separate_aux(screen
, res
))
833 res
->aux
.bo
= res
->bo
;
834 iris_bo_reference(res
->aux
.bo
);
835 res
->aux
.offset
+= aux_offset
;
836 unsigned clear_color_state_size
=
837 iris_get_aux_clear_color_state_size(screen
);
838 if (clear_color_state_size
> 0)
839 res
->aux
.clear_color_offset
+= aux_offset
;
840 if (!iris_resource_init_aux_buf(res
, flags
, clear_color_state_size
))
846 iris_resource_disable_aux(res
);
851 fprintf(stderr
, "XXX: resource creation failed\n");
852 iris_resource_destroy(pscreen
, &res
->base
);
857 static struct pipe_resource
*
858 iris_resource_create(struct pipe_screen
*pscreen
,
859 const struct pipe_resource
*templ
)
861 if (templ
->target
== PIPE_BUFFER
)
862 return iris_resource_create_for_buffer(pscreen
, templ
);
864 return iris_resource_create_with_modifiers(pscreen
, templ
, NULL
, 0);
868 tiling_to_modifier(uint32_t tiling
)
870 static const uint64_t map
[] = {
871 [I915_TILING_NONE
] = DRM_FORMAT_MOD_LINEAR
,
872 [I915_TILING_X
] = I915_FORMAT_MOD_X_TILED
,
873 [I915_TILING_Y
] = I915_FORMAT_MOD_Y_TILED
,
876 assert(tiling
< ARRAY_SIZE(map
));
881 static struct pipe_resource
*
882 iris_resource_from_user_memory(struct pipe_screen
*pscreen
,
883 const struct pipe_resource
*templ
,
886 struct iris_screen
*screen
= (struct iris_screen
*)pscreen
;
887 struct iris_bufmgr
*bufmgr
= screen
->bufmgr
;
888 struct iris_resource
*res
= iris_alloc_resource(pscreen
, templ
);
892 assert(templ
->target
== PIPE_BUFFER
);
894 res
->internal_format
= templ
->format
;
895 res
->bo
= iris_bo_create_userptr(bufmgr
, "user",
896 user_memory
, templ
->width0
,
903 util_range_add(&res
->valid_buffer_range
, 0, templ
->width0
);
908 static struct pipe_resource
*
909 iris_resource_from_handle(struct pipe_screen
*pscreen
,
910 const struct pipe_resource
*templ
,
911 struct winsys_handle
*whandle
,
914 struct iris_screen
*screen
= (struct iris_screen
*)pscreen
;
915 struct gen_device_info
*devinfo
= &screen
->devinfo
;
916 struct iris_bufmgr
*bufmgr
= screen
->bufmgr
;
917 struct iris_resource
*res
= iris_alloc_resource(pscreen
, templ
);
921 switch (whandle
->type
) {
922 case WINSYS_HANDLE_TYPE_FD
:
923 res
->bo
= iris_bo_import_dmabuf(bufmgr
, whandle
->handle
);
925 case WINSYS_HANDLE_TYPE_SHARED
:
926 res
->bo
= iris_bo_gem_create_from_name(bufmgr
, "winsys image",
930 unreachable("invalid winsys handle type");
935 res
->offset
= whandle
->offset
;
937 uint64_t modifier
= whandle
->modifier
;
938 if (modifier
== DRM_FORMAT_MOD_INVALID
) {
939 modifier
= tiling_to_modifier(res
->bo
->tiling_mode
);
941 res
->mod_info
= isl_drm_modifier_get_info(modifier
);
942 assert(res
->mod_info
);
944 isl_surf_usage_flags_t isl_usage
= pipe_bind_to_isl_usage(templ
->bind
);
946 const struct iris_format_info fmt
=
947 iris_format_for_usage(devinfo
, templ
->format
, isl_usage
);
948 res
->internal_format
= templ
->format
;
950 if (templ
->target
== PIPE_BUFFER
) {
951 res
->surf
.tiling
= ISL_TILING_LINEAR
;
953 if (whandle
->modifier
== DRM_FORMAT_MOD_INVALID
|| whandle
->plane
== 0) {
954 UNUSED
const bool isl_surf_created_successfully
=
955 isl_surf_init(&screen
->isl_dev
, &res
->surf
,
956 .dim
= target_to_isl_surf_dim(templ
->target
),
958 .width
= templ
->width0
,
959 .height
= templ
->height0
,
960 .depth
= templ
->depth0
,
961 .levels
= templ
->last_level
+ 1,
962 .array_len
= templ
->array_size
,
963 .samples
= MAX2(templ
->nr_samples
, 1),
964 .min_alignment_B
= 0,
965 .row_pitch_B
= whandle
->stride
,
967 .tiling_flags
= 1 << res
->mod_info
->tiling
);
968 assert(isl_surf_created_successfully
);
969 assert(res
->bo
->tiling_mode
==
970 isl_tiling_to_i915_tiling(res
->surf
.tiling
));
972 // XXX: create_ccs_buf_for_image?
973 if (whandle
->modifier
== DRM_FORMAT_MOD_INVALID
) {
974 if (!iris_resource_alloc_separate_aux(screen
, res
))
977 if (res
->mod_info
->aux_usage
!= ISL_AUX_USAGE_NONE
) {
978 uint32_t alloc_flags
;
980 res
->aux
.usage
= res
->mod_info
->aux_usage
;
981 res
->aux
.possible_usages
= 1 << res
->mod_info
->aux_usage
;
982 res
->aux
.sampler_usages
= res
->aux
.possible_usages
;
983 bool ok
= iris_resource_configure_aux(screen
, res
, true, &size
,
986 /* The gallium dri layer will create a separate plane resource
987 * for the aux image. iris_resource_finish_aux_import will
988 * merge the separate aux parameters back into a single
994 /* Save modifier import information to reconstruct later. After
995 * import, this will be available under a second image accessible
996 * from the main image with res->base.next. See
997 * iris_resource_finish_aux_import.
999 res
->aux
.surf
.row_pitch_B
= whandle
->stride
;
1000 res
->aux
.offset
= whandle
->offset
;
1001 res
->aux
.bo
= res
->bo
;
1009 iris_resource_destroy(pscreen
, &res
->base
);
1014 iris_flush_resource(struct pipe_context
*ctx
, struct pipe_resource
*resource
)
1016 struct iris_context
*ice
= (struct iris_context
*)ctx
;
1017 struct iris_batch
*render_batch
= &ice
->batches
[IRIS_BATCH_RENDER
];
1018 struct iris_resource
*res
= (void *) resource
;
1019 const struct isl_drm_modifier_info
*mod
= res
->mod_info
;
1021 iris_resource_prepare_access(ice
, render_batch
, res
,
1022 0, INTEL_REMAINING_LEVELS
,
1023 0, INTEL_REMAINING_LAYERS
,
1024 mod
? mod
->aux_usage
: ISL_AUX_USAGE_NONE
,
1025 mod
? mod
->supports_clear_color
: false);
1029 iris_resource_get_param(struct pipe_screen
*screen
,
1030 struct pipe_resource
*resource
,
1032 enum pipe_resource_param param
,
1035 struct iris_resource
*res
= (struct iris_resource
*)resource
;
1037 res
->mod_info
&& res
->mod_info
->aux_usage
!= ISL_AUX_USAGE_NONE
;
1038 bool wants_aux
= mod_with_aux
&& plane
> 0;
1039 struct iris_bo
*bo
= wants_aux
? res
->aux
.bo
: res
->bo
;
1044 case PIPE_RESOURCE_PARAM_NPLANES
:
1045 *value
= mod_with_aux
? 2 : 1;
1047 case PIPE_RESOURCE_PARAM_STRIDE
:
1048 *value
= wants_aux
? res
->aux
.surf
.row_pitch_B
: res
->surf
.row_pitch_B
;
1050 case PIPE_RESOURCE_PARAM_OFFSET
:
1051 *value
= wants_aux
? res
->aux
.offset
: 0;
1053 case PIPE_RESOURCE_PARAM_MODIFIER
:
1054 *value
= res
->mod_info
? res
->mod_info
->modifier
:
1055 tiling_to_modifier(res
->bo
->tiling_mode
);
1057 case PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED
:
1058 result
= iris_bo_flink(bo
, &handle
) == 0;
1062 case PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS
:
1063 *value
= iris_bo_export_gem_handle(bo
);
1065 case PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD
:
1066 result
= iris_bo_export_dmabuf(bo
, (int *) &handle
) == 0;
1076 iris_resource_get_handle(struct pipe_screen
*pscreen
,
1077 struct pipe_context
*ctx
,
1078 struct pipe_resource
*resource
,
1079 struct winsys_handle
*whandle
,
1082 struct iris_resource
*res
= (struct iris_resource
*)resource
;
1084 res
->mod_info
&& res
->mod_info
->aux_usage
!= ISL_AUX_USAGE_NONE
;
1086 /* Disable aux usage if explicit flush not set and this is the first time
1087 * we are dealing with this resource and the resource was not created with
1088 * a modifier with aux.
1090 if (!mod_with_aux
&&
1091 (!(usage
& PIPE_HANDLE_USAGE_EXPLICIT_FLUSH
) && res
->aux
.usage
!= 0) &&
1092 p_atomic_read(&resource
->reference
.count
) == 1) {
1093 iris_resource_disable_aux(res
);
1097 if (mod_with_aux
&& whandle
->plane
> 0) {
1098 assert(res
->aux
.bo
);
1100 whandle
->stride
= res
->aux
.surf
.row_pitch_B
;
1101 whandle
->offset
= res
->aux
.offset
;
1103 /* If this is a buffer, stride should be 0 - no need to special case */
1104 whandle
->stride
= res
->surf
.row_pitch_B
;
1108 res
->mod_info
? res
->mod_info
->modifier
1109 : tiling_to_modifier(res
->bo
->tiling_mode
);
1112 enum isl_aux_usage allowed_usage
=
1113 res
->mod_info
? res
->mod_info
->aux_usage
: ISL_AUX_USAGE_NONE
;
1115 if (res
->aux
.usage
!= allowed_usage
) {
1116 enum isl_aux_state aux_state
= iris_resource_get_aux_state(res
, 0, 0);
1117 assert(aux_state
== ISL_AUX_STATE_RESOLVED
||
1118 aux_state
== ISL_AUX_STATE_PASS_THROUGH
);
1122 switch (whandle
->type
) {
1123 case WINSYS_HANDLE_TYPE_SHARED
:
1124 return iris_bo_flink(bo
, &whandle
->handle
) == 0;
1125 case WINSYS_HANDLE_TYPE_KMS
:
1126 whandle
->handle
= iris_bo_export_gem_handle(bo
);
1128 case WINSYS_HANDLE_TYPE_FD
:
1129 return iris_bo_export_dmabuf(bo
, (int *) &whandle
->handle
) == 0;
1136 resource_is_busy(struct iris_context
*ice
,
1137 struct iris_resource
*res
)
1139 bool busy
= iris_bo_busy(res
->bo
);
1141 for (int i
= 0; i
< IRIS_BATCH_COUNT
; i
++)
1142 busy
|= iris_batch_references(&ice
->batches
[i
], res
->bo
);
1148 iris_invalidate_resource(struct pipe_context
*ctx
,
1149 struct pipe_resource
*resource
)
1151 struct iris_screen
*screen
= (void *) ctx
->screen
;
1152 struct iris_context
*ice
= (void *) ctx
;
1153 struct iris_resource
*res
= (void *) resource
;
1155 if (resource
->target
!= PIPE_BUFFER
)
1158 if (!resource_is_busy(ice
, res
)) {
1159 /* The resource is idle, so just mark that it contains no data and
1160 * keep using the same underlying buffer object.
1162 util_range_set_empty(&res
->valid_buffer_range
);
1166 /* Otherwise, try and replace the backing storage with a new BO. */
1168 /* We can't reallocate memory we didn't allocate in the first place. */
1169 if (res
->bo
->userptr
)
1172 // XXX: We should support this.
1173 if (res
->bind_history
& PIPE_BIND_STREAM_OUTPUT
)
1176 struct iris_bo
*old_bo
= res
->bo
;
1177 struct iris_bo
*new_bo
=
1178 iris_bo_alloc(screen
->bufmgr
, res
->bo
->name
, resource
->width0
,
1179 iris_memzone_for_address(old_bo
->gtt_offset
));
1183 /* Swap out the backing storage */
1186 /* Rebind the buffer, replacing any state referring to the old BO's
1187 * address, and marking state dirty so it's reemitted.
1189 ice
->vtbl
.rebind_buffer(ice
, res
, old_bo
->gtt_offset
);
1191 util_range_set_empty(&res
->valid_buffer_range
);
1193 iris_bo_unreference(old_bo
);
1197 iris_flush_staging_region(struct pipe_transfer
*xfer
,
1198 const struct pipe_box
*flush_box
)
1200 if (!(xfer
->usage
& PIPE_TRANSFER_WRITE
))
1203 struct iris_transfer
*map
= (void *) xfer
;
1205 struct pipe_box src_box
= *flush_box
;
1207 /* Account for extra alignment padding in staging buffer */
1208 if (xfer
->resource
->target
== PIPE_BUFFER
)
1209 src_box
.x
+= xfer
->box
.x
% IRIS_MAP_BUFFER_ALIGNMENT
;
1211 struct pipe_box dst_box
= (struct pipe_box
) {
1212 .x
= xfer
->box
.x
+ flush_box
->x
,
1213 .y
= xfer
->box
.y
+ flush_box
->y
,
1214 .z
= xfer
->box
.z
+ flush_box
->z
,
1215 .width
= flush_box
->width
,
1216 .height
= flush_box
->height
,
1217 .depth
= flush_box
->depth
,
1220 iris_copy_region(map
->blorp
, map
->batch
, xfer
->resource
, xfer
->level
,
1221 dst_box
.x
, dst_box
.y
, dst_box
.z
, map
->staging
, 0,
1226 iris_unmap_copy_region(struct iris_transfer
*map
)
1228 iris_resource_destroy(map
->staging
->screen
, map
->staging
);
1234 iris_map_copy_region(struct iris_transfer
*map
)
1236 struct pipe_screen
*pscreen
= &map
->batch
->screen
->base
;
1237 struct pipe_transfer
*xfer
= &map
->base
;
1238 struct pipe_box
*box
= &xfer
->box
;
1239 struct iris_resource
*res
= (void *) xfer
->resource
;
1241 unsigned extra
= xfer
->resource
->target
== PIPE_BUFFER
?
1242 box
->x
% IRIS_MAP_BUFFER_ALIGNMENT
: 0;
1244 struct pipe_resource templ
= (struct pipe_resource
) {
1245 .usage
= PIPE_USAGE_STAGING
,
1246 .width0
= box
->width
+ extra
,
1247 .height0
= box
->height
,
1249 .nr_samples
= xfer
->resource
->nr_samples
,
1250 .nr_storage_samples
= xfer
->resource
->nr_storage_samples
,
1251 .array_size
= box
->depth
,
1254 if (xfer
->resource
->target
== PIPE_BUFFER
)
1255 templ
.target
= PIPE_BUFFER
;
1256 else if (templ
.array_size
> 1)
1257 templ
.target
= PIPE_TEXTURE_2D_ARRAY
;
1259 templ
.target
= PIPE_TEXTURE_2D
;
1261 /* Depth, stencil, and ASTC can't be linear surfaces, so we can't use
1262 * xfer->resource->format directly. Pick a bpb compatible format so
1263 * resource creation will succeed; blorp_copy will override it anyway.
1265 switch (util_format_get_blocksizebits(res
->internal_format
)) {
1266 case 8: templ
.format
= PIPE_FORMAT_R8_UINT
; break;
1267 case 16: templ
.format
= PIPE_FORMAT_R8G8_UINT
; break;
1268 case 24: templ
.format
= PIPE_FORMAT_R8G8B8_UINT
; break;
1269 case 32: templ
.format
= PIPE_FORMAT_R8G8B8A8_UINT
; break;
1270 case 48: templ
.format
= PIPE_FORMAT_R16G16B16_UINT
; break;
1271 case 64: templ
.format
= PIPE_FORMAT_R16G16B16A16_UINT
; break;
1272 case 96: templ
.format
= PIPE_FORMAT_R32G32B32_UINT
; break;
1273 case 128: templ
.format
= PIPE_FORMAT_R32G32B32A32_UINT
; break;
1274 default: unreachable("Invalid bpb");
1277 map
->staging
= iris_resource_create(pscreen
, &templ
);
1278 assert(map
->staging
);
1280 if (templ
.target
!= PIPE_BUFFER
) {
1281 struct isl_surf
*surf
= &((struct iris_resource
*) map
->staging
)->surf
;
1282 xfer
->stride
= isl_surf_get_row_pitch_B(surf
);
1283 xfer
->layer_stride
= isl_surf_get_array_pitch(surf
);
1286 if (!(xfer
->usage
& PIPE_TRANSFER_DISCARD_RANGE
)) {
1287 iris_copy_region(map
->blorp
, map
->batch
, map
->staging
, 0, extra
, 0, 0,
1288 xfer
->resource
, xfer
->level
, box
);
1289 /* Ensure writes to the staging BO land before we map it below. */
1290 iris_emit_pipe_control_flush(map
->batch
,
1291 "transfer read: flush before mapping",
1292 PIPE_CONTROL_RENDER_TARGET_FLUSH
|
1293 PIPE_CONTROL_CS_STALL
);
1296 struct iris_bo
*staging_bo
= iris_resource_bo(map
->staging
);
1298 if (iris_batch_references(map
->batch
, staging_bo
))
1299 iris_batch_flush(map
->batch
);
1302 iris_bo_map(map
->dbg
, staging_bo
, xfer
->usage
& MAP_FLAGS
) + extra
;
1304 map
->unmap
= iris_unmap_copy_region
;
1308 get_image_offset_el(const struct isl_surf
*surf
, unsigned level
, unsigned z
,
1309 unsigned *out_x0_el
, unsigned *out_y0_el
)
1311 if (surf
->dim
== ISL_SURF_DIM_3D
) {
1312 isl_surf_get_image_offset_el(surf
, level
, 0, z
, out_x0_el
, out_y0_el
);
1314 isl_surf_get_image_offset_el(surf
, level
, z
, 0, out_x0_el
, out_y0_el
);
1319 * This function computes the tile_w (in bytes) and tile_h (in rows) of
1320 * different tiling patterns.
1323 iris_resource_get_tile_dims(enum isl_tiling tiling
, uint32_t cpp
,
1324 uint32_t *tile_w
, uint32_t *tile_h
)
1335 case ISL_TILING_LINEAR
:
1340 unreachable("not reached");
1346 * This function computes masks that may be used to select the bits of the X
1347 * and Y coordinates that indicate the offset within a tile. If the BO is
1348 * untiled, the masks are set to 0.
1351 iris_resource_get_tile_masks(enum isl_tiling tiling
, uint32_t cpp
,
1352 uint32_t *mask_x
, uint32_t *mask_y
)
1354 uint32_t tile_w_bytes
, tile_h
;
1356 iris_resource_get_tile_dims(tiling
, cpp
, &tile_w_bytes
, &tile_h
);
1358 *mask_x
= tile_w_bytes
/ cpp
- 1;
1359 *mask_y
= tile_h
- 1;
1363 * Compute the offset (in bytes) from the start of the BO to the given x
1364 * and y coordinate. For tiled BOs, caller must ensure that x and y are
1365 * multiples of the tile size.
1368 iris_resource_get_aligned_offset(const struct iris_resource
*res
,
1369 uint32_t x
, uint32_t y
)
1371 const struct isl_format_layout
*fmtl
= isl_format_get_layout(res
->surf
.format
);
1372 unsigned cpp
= fmtl
->bpb
/ 8;
1373 uint32_t pitch
= res
->surf
.row_pitch_B
;
1375 switch (res
->surf
.tiling
) {
1377 unreachable("not reached");
1378 case ISL_TILING_LINEAR
:
1379 return y
* pitch
+ x
* cpp
;
1381 assert((x
% (512 / cpp
)) == 0);
1382 assert((y
% 8) == 0);
1383 return y
* pitch
+ x
/ (512 / cpp
) * 4096;
1385 assert((x
% (128 / cpp
)) == 0);
1386 assert((y
% 32) == 0);
1387 return y
* pitch
+ x
/ (128 / cpp
) * 4096;
1392 * Rendering with tiled buffers requires that the base address of the buffer
1393 * be aligned to a page boundary. For renderbuffers, and sometimes with
1394 * textures, we may want the surface to point at a texture image level that
1395 * isn't at a page boundary.
1397 * This function returns an appropriately-aligned base offset
1398 * according to the tiling restrictions, plus any required x/y offset
1402 iris_resource_get_tile_offsets(const struct iris_resource
*res
,
1403 uint32_t level
, uint32_t z
,
1404 uint32_t *tile_x
, uint32_t *tile_y
)
1407 uint32_t mask_x
, mask_y
;
1409 const struct isl_format_layout
*fmtl
= isl_format_get_layout(res
->surf
.format
);
1410 const unsigned cpp
= fmtl
->bpb
/ 8;
1412 iris_resource_get_tile_masks(res
->surf
.tiling
, cpp
, &mask_x
, &mask_y
);
1413 get_image_offset_el(&res
->surf
, level
, z
, &x
, &y
);
1415 *tile_x
= x
& mask_x
;
1416 *tile_y
= y
& mask_y
;
1418 return iris_resource_get_aligned_offset(res
, x
& ~mask_x
, y
& ~mask_y
);
1422 * Get pointer offset into stencil buffer.
1424 * The stencil buffer is W tiled. Since the GTT is incapable of W fencing, we
1425 * must decode the tile's layout in software.
1428 * - PRM, 2011 Sandy Bridge, Volume 1, Part 2, Section 4.5.2.1 W-Major Tile
1430 * - PRM, 2011 Sandy Bridge, Volume 1, Part 2, Section 4.5.3 Tiling Algorithm
1432 * Even though the returned offset is always positive, the return type is
1434 * commit e8b1c6d6f55f5be3bef25084fdd8b6127517e137
1435 * mesa: Fix return type of _mesa_get_format_bytes() (#37351)
1438 s8_offset(uint32_t stride
, uint32_t x
, uint32_t y
, bool swizzled
)
1440 uint32_t tile_size
= 4096;
1441 uint32_t tile_width
= 64;
1442 uint32_t tile_height
= 64;
1443 uint32_t row_size
= 64 * stride
/ 2; /* Two rows are interleaved. */
1445 uint32_t tile_x
= x
/ tile_width
;
1446 uint32_t tile_y
= y
/ tile_height
;
1448 /* The byte's address relative to the tile's base addres. */
1449 uint32_t byte_x
= x
% tile_width
;
1450 uint32_t byte_y
= y
% tile_height
;
1452 uintptr_t u
= tile_y
* row_size
1453 + tile_x
* tile_size
1454 + 512 * (byte_x
/ 8)
1456 + 32 * ((byte_y
/ 4) % 2)
1457 + 16 * ((byte_x
/ 4) % 2)
1458 + 8 * ((byte_y
/ 2) % 2)
1459 + 4 * ((byte_x
/ 2) % 2)
1464 /* adjust for bit6 swizzling */
1465 if (((byte_x
/ 8) % 2) == 1) {
1466 if (((byte_y
/ 8) % 2) == 0) {
1478 iris_unmap_s8(struct iris_transfer
*map
)
1480 struct pipe_transfer
*xfer
= &map
->base
;
1481 const struct pipe_box
*box
= &xfer
->box
;
1482 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1483 struct isl_surf
*surf
= &res
->surf
;
1484 const bool has_swizzling
= false;
1486 if (xfer
->usage
& PIPE_TRANSFER_WRITE
) {
1487 uint8_t *untiled_s8_map
= map
->ptr
;
1488 uint8_t *tiled_s8_map
=
1489 iris_bo_map(map
->dbg
, res
->bo
, (xfer
->usage
| MAP_RAW
) & MAP_FLAGS
);
1491 for (int s
= 0; s
< box
->depth
; s
++) {
1492 unsigned x0_el
, y0_el
;
1493 get_image_offset_el(surf
, xfer
->level
, box
->z
+ s
, &x0_el
, &y0_el
);
1495 for (uint32_t y
= 0; y
< box
->height
; y
++) {
1496 for (uint32_t x
= 0; x
< box
->width
; x
++) {
1497 ptrdiff_t offset
= s8_offset(surf
->row_pitch_B
,
1501 tiled_s8_map
[offset
] =
1502 untiled_s8_map
[s
* xfer
->layer_stride
+ y
* xfer
->stride
+ x
];
1512 iris_map_s8(struct iris_transfer
*map
)
1514 struct pipe_transfer
*xfer
= &map
->base
;
1515 const struct pipe_box
*box
= &xfer
->box
;
1516 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1517 struct isl_surf
*surf
= &res
->surf
;
1519 xfer
->stride
= surf
->row_pitch_B
;
1520 xfer
->layer_stride
= xfer
->stride
* box
->height
;
1522 /* The tiling and detiling functions require that the linear buffer has
1523 * a 16-byte alignment (that is, its `x0` is 16-byte aligned). Here we
1524 * over-allocate the linear buffer to get the proper alignment.
1526 map
->buffer
= map
->ptr
= malloc(xfer
->layer_stride
* box
->depth
);
1527 assert(map
->buffer
);
1529 const bool has_swizzling
= false;
1531 /* One of either READ_BIT or WRITE_BIT or both is set. READ_BIT implies no
1532 * INVALIDATE_RANGE_BIT. WRITE_BIT needs the original values read in unless
1533 * invalidate is set, since we'll be writing the whole rectangle from our
1534 * temporary buffer back out.
1536 if (!(xfer
->usage
& PIPE_TRANSFER_DISCARD_RANGE
)) {
1537 uint8_t *untiled_s8_map
= map
->ptr
;
1538 uint8_t *tiled_s8_map
=
1539 iris_bo_map(map
->dbg
, res
->bo
, (xfer
->usage
| MAP_RAW
) & MAP_FLAGS
);
1541 for (int s
= 0; s
< box
->depth
; s
++) {
1542 unsigned x0_el
, y0_el
;
1543 get_image_offset_el(surf
, xfer
->level
, box
->z
+ s
, &x0_el
, &y0_el
);
1545 for (uint32_t y
= 0; y
< box
->height
; y
++) {
1546 for (uint32_t x
= 0; x
< box
->width
; x
++) {
1547 ptrdiff_t offset
= s8_offset(surf
->row_pitch_B
,
1551 untiled_s8_map
[s
* xfer
->layer_stride
+ y
* xfer
->stride
+ x
] =
1552 tiled_s8_map
[offset
];
1558 map
->unmap
= iris_unmap_s8
;
1561 /* Compute extent parameters for use with tiled_memcpy functions.
1562 * xs are in units of bytes and ys are in units of strides.
1565 tile_extents(const struct isl_surf
*surf
,
1566 const struct pipe_box
*box
,
1567 unsigned level
, int z
,
1568 unsigned *x1_B
, unsigned *x2_B
,
1569 unsigned *y1_el
, unsigned *y2_el
)
1571 const struct isl_format_layout
*fmtl
= isl_format_get_layout(surf
->format
);
1572 const unsigned cpp
= fmtl
->bpb
/ 8;
1574 assert(box
->x
% fmtl
->bw
== 0);
1575 assert(box
->y
% fmtl
->bh
== 0);
1577 unsigned x0_el
, y0_el
;
1578 get_image_offset_el(surf
, level
, box
->z
+ z
, &x0_el
, &y0_el
);
1580 *x1_B
= (box
->x
/ fmtl
->bw
+ x0_el
) * cpp
;
1581 *y1_el
= box
->y
/ fmtl
->bh
+ y0_el
;
1582 *x2_B
= (DIV_ROUND_UP(box
->x
+ box
->width
, fmtl
->bw
) + x0_el
) * cpp
;
1583 *y2_el
= DIV_ROUND_UP(box
->y
+ box
->height
, fmtl
->bh
) + y0_el
;
1587 iris_unmap_tiled_memcpy(struct iris_transfer
*map
)
1589 struct pipe_transfer
*xfer
= &map
->base
;
1590 const struct pipe_box
*box
= &xfer
->box
;
1591 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1592 struct isl_surf
*surf
= &res
->surf
;
1594 const bool has_swizzling
= false;
1596 if (xfer
->usage
& PIPE_TRANSFER_WRITE
) {
1598 iris_bo_map(map
->dbg
, res
->bo
, (xfer
->usage
| MAP_RAW
) & MAP_FLAGS
);
1600 for (int s
= 0; s
< box
->depth
; s
++) {
1601 unsigned x1
, x2
, y1
, y2
;
1602 tile_extents(surf
, box
, xfer
->level
, s
, &x1
, &x2
, &y1
, &y2
);
1604 void *ptr
= map
->ptr
+ s
* xfer
->layer_stride
;
1606 isl_memcpy_linear_to_tiled(x1
, x2
, y1
, y2
, dst
, ptr
,
1607 surf
->row_pitch_B
, xfer
->stride
,
1608 has_swizzling
, surf
->tiling
, ISL_MEMCPY
);
1611 os_free_aligned(map
->buffer
);
1612 map
->buffer
= map
->ptr
= NULL
;
1616 iris_map_tiled_memcpy(struct iris_transfer
*map
)
1618 struct pipe_transfer
*xfer
= &map
->base
;
1619 const struct pipe_box
*box
= &xfer
->box
;
1620 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1621 struct isl_surf
*surf
= &res
->surf
;
1623 xfer
->stride
= ALIGN(surf
->row_pitch_B
, 16);
1624 xfer
->layer_stride
= xfer
->stride
* box
->height
;
1626 unsigned x1
, x2
, y1
, y2
;
1627 tile_extents(surf
, box
, xfer
->level
, 0, &x1
, &x2
, &y1
, &y2
);
1629 /* The tiling and detiling functions require that the linear buffer has
1630 * a 16-byte alignment (that is, its `x0` is 16-byte aligned). Here we
1631 * over-allocate the linear buffer to get the proper alignment.
1634 os_malloc_aligned(xfer
->layer_stride
* box
->depth
, 16);
1635 assert(map
->buffer
);
1636 map
->ptr
= (char *)map
->buffer
+ (x1
& 0xf);
1638 const bool has_swizzling
= false;
1640 if (!(xfer
->usage
& PIPE_TRANSFER_DISCARD_RANGE
)) {
1642 iris_bo_map(map
->dbg
, res
->bo
, (xfer
->usage
| MAP_RAW
) & MAP_FLAGS
);
1644 for (int s
= 0; s
< box
->depth
; s
++) {
1645 unsigned x1
, x2
, y1
, y2
;
1646 tile_extents(surf
, box
, xfer
->level
, s
, &x1
, &x2
, &y1
, &y2
);
1648 /* Use 's' rather than 'box->z' to rebase the first slice to 0. */
1649 void *ptr
= map
->ptr
+ s
* xfer
->layer_stride
;
1651 isl_memcpy_tiled_to_linear(x1
, x2
, y1
, y2
, ptr
, src
, xfer
->stride
,
1652 surf
->row_pitch_B
, has_swizzling
,
1653 surf
->tiling
, ISL_MEMCPY_STREAMING_LOAD
);
1657 map
->unmap
= iris_unmap_tiled_memcpy
;
1661 iris_map_direct(struct iris_transfer
*map
)
1663 struct pipe_transfer
*xfer
= &map
->base
;
1664 struct pipe_box
*box
= &xfer
->box
;
1665 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1667 void *ptr
= iris_bo_map(map
->dbg
, res
->bo
, xfer
->usage
& MAP_FLAGS
);
1669 if (res
->base
.target
== PIPE_BUFFER
) {
1671 xfer
->layer_stride
= 0;
1673 map
->ptr
= ptr
+ box
->x
;
1675 struct isl_surf
*surf
= &res
->surf
;
1676 const struct isl_format_layout
*fmtl
=
1677 isl_format_get_layout(surf
->format
);
1678 const unsigned cpp
= fmtl
->bpb
/ 8;
1679 unsigned x0_el
, y0_el
;
1681 get_image_offset_el(surf
, xfer
->level
, box
->z
, &x0_el
, &y0_el
);
1683 xfer
->stride
= isl_surf_get_row_pitch_B(surf
);
1684 xfer
->layer_stride
= isl_surf_get_array_pitch(surf
);
1686 map
->ptr
= ptr
+ (y0_el
+ box
->y
) * xfer
->stride
+ (x0_el
+ box
->x
) * cpp
;
1691 can_promote_to_async(const struct iris_resource
*res
,
1692 const struct pipe_box
*box
,
1693 enum pipe_transfer_usage usage
)
1695 /* If we're writing to a section of the buffer that hasn't even been
1696 * initialized with useful data, then we can safely promote this write
1697 * to be unsynchronized. This helps the common pattern of appending data.
1699 return res
->base
.target
== PIPE_BUFFER
&& (usage
& PIPE_TRANSFER_WRITE
) &&
1700 !(usage
& TC_TRANSFER_MAP_NO_INFER_UNSYNCHRONIZED
) &&
1701 !util_ranges_intersect(&res
->valid_buffer_range
, box
->x
,
1702 box
->x
+ box
->width
);
1706 iris_transfer_map(struct pipe_context
*ctx
,
1707 struct pipe_resource
*resource
,
1709 enum pipe_transfer_usage usage
,
1710 const struct pipe_box
*box
,
1711 struct pipe_transfer
**ptransfer
)
1713 struct iris_context
*ice
= (struct iris_context
*)ctx
;
1714 struct iris_resource
*res
= (struct iris_resource
*)resource
;
1715 struct isl_surf
*surf
= &res
->surf
;
1717 if (usage
& PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
) {
1718 /* Replace the backing storage with a fresh buffer for non-async maps */
1719 if (!(usage
& (PIPE_TRANSFER_UNSYNCHRONIZED
|
1720 TC_TRANSFER_MAP_NO_INVALIDATE
)))
1721 iris_invalidate_resource(ctx
, resource
);
1723 /* If we can discard the whole resource, we can discard the range. */
1724 usage
|= PIPE_TRANSFER_DISCARD_RANGE
;
1727 bool map_would_stall
= false;
1729 if (resource
->target
!= PIPE_BUFFER
) {
1730 iris_resource_access_raw(ice
, &ice
->batches
[IRIS_BATCH_RENDER
], res
,
1731 level
, box
->z
, box
->depth
,
1732 usage
& PIPE_TRANSFER_WRITE
);
1735 if (!(usage
& PIPE_TRANSFER_UNSYNCHRONIZED
) &&
1736 can_promote_to_async(res
, box
, usage
)) {
1737 usage
|= PIPE_TRANSFER_UNSYNCHRONIZED
;
1740 if (!(usage
& PIPE_TRANSFER_UNSYNCHRONIZED
)) {
1741 map_would_stall
= resource_is_busy(ice
, res
);
1743 if (map_would_stall
&& (usage
& PIPE_TRANSFER_DONTBLOCK
) &&
1744 (usage
& PIPE_TRANSFER_MAP_DIRECTLY
))
1748 if (surf
->tiling
!= ISL_TILING_LINEAR
&&
1749 (usage
& PIPE_TRANSFER_MAP_DIRECTLY
))
1752 struct iris_transfer
*map
= slab_alloc(&ice
->transfer_pool
);
1753 struct pipe_transfer
*xfer
= &map
->base
;
1758 memset(map
, 0, sizeof(*map
));
1759 map
->dbg
= &ice
->dbg
;
1761 pipe_resource_reference(&xfer
->resource
, resource
);
1762 xfer
->level
= level
;
1763 xfer
->usage
= usage
;
1767 if (usage
& PIPE_TRANSFER_WRITE
)
1768 util_range_add(&res
->valid_buffer_range
, box
->x
, box
->x
+ box
->width
);
1770 /* Avoid using GPU copies for persistent/coherent buffers, as the idea
1771 * there is to access them simultaneously on the CPU & GPU. This also
1772 * avoids trying to use GPU copies for our u_upload_mgr buffers which
1773 * contain state we're constructing for a GPU draw call, which would
1774 * kill us with infinite stack recursion.
1776 bool no_gpu
= usage
& (PIPE_TRANSFER_PERSISTENT
|
1777 PIPE_TRANSFER_COHERENT
|
1778 PIPE_TRANSFER_MAP_DIRECTLY
);
1780 /* GPU copies are not useful for buffer reads. Instead of stalling to
1781 * read from the original buffer, we'd simply copy it to a temporary...
1782 * then stall (a bit longer) to read from that buffer.
1784 * Images are less clear-cut. Color resolves are destructive, removing
1785 * the underlying compression, so we'd rather blit the data to a linear
1786 * temporary and map that, to avoid the resolve. (It might be better to
1787 * a tiled temporary and use the tiled_memcpy paths...)
1789 if (!(usage
& PIPE_TRANSFER_DISCARD_RANGE
) &&
1790 res
->aux
.usage
!= ISL_AUX_USAGE_CCS_E
&&
1791 res
->aux
.usage
!= ISL_AUX_USAGE_CCS_D
) {
1795 if ((map_would_stall
|| res
->aux
.usage
== ISL_AUX_USAGE_CCS_E
) && !no_gpu
) {
1796 /* If we need a synchronous mapping and the resource is busy,
1797 * we copy to/from a linear temporary buffer using the GPU.
1799 map
->batch
= &ice
->batches
[IRIS_BATCH_RENDER
];
1800 map
->blorp
= &ice
->blorp
;
1801 iris_map_copy_region(map
);
1803 /* Otherwise we're free to map on the CPU. Flush if needed. */
1804 if (!(usage
& PIPE_TRANSFER_UNSYNCHRONIZED
)) {
1805 for (int i
= 0; i
< IRIS_BATCH_COUNT
; i
++) {
1806 if (iris_batch_references(&ice
->batches
[i
], res
->bo
))
1807 iris_batch_flush(&ice
->batches
[i
]);
1811 if (surf
->tiling
== ISL_TILING_W
) {
1812 /* TODO: Teach iris_map_tiled_memcpy about W-tiling... */
1814 } else if (surf
->tiling
!= ISL_TILING_LINEAR
) {
1815 iris_map_tiled_memcpy(map
);
1817 iris_map_direct(map
);
1825 iris_transfer_flush_region(struct pipe_context
*ctx
,
1826 struct pipe_transfer
*xfer
,
1827 const struct pipe_box
*box
)
1829 struct iris_context
*ice
= (struct iris_context
*)ctx
;
1830 struct iris_resource
*res
= (struct iris_resource
*) xfer
->resource
;
1831 struct iris_transfer
*map
= (void *) xfer
;
1834 iris_flush_staging_region(xfer
, box
);
1836 uint32_t history_flush
= 0;
1838 if (res
->base
.target
== PIPE_BUFFER
) {
1839 history_flush
|= iris_flush_bits_for_history(res
) |
1840 (map
->staging
? PIPE_CONTROL_RENDER_TARGET_FLUSH
: 0);
1843 if (history_flush
& ~PIPE_CONTROL_CS_STALL
) {
1844 for (int i
= 0; i
< IRIS_BATCH_COUNT
; i
++) {
1845 struct iris_batch
*batch
= &ice
->batches
[i
];
1846 if (batch
->contains_draw
|| batch
->cache
.render
->entries
) {
1847 iris_batch_maybe_flush(batch
, 24);
1848 iris_emit_pipe_control_flush(batch
,
1849 "cache history: transfer flush",
1855 /* Make sure we flag constants dirty even if there's no need to emit
1856 * any PIPE_CONTROLs to a batch.
1858 iris_dirty_for_history(ice
, res
);
1862 iris_transfer_unmap(struct pipe_context
*ctx
, struct pipe_transfer
*xfer
)
1864 struct iris_context
*ice
= (struct iris_context
*)ctx
;
1865 struct iris_transfer
*map
= (void *) xfer
;
1867 if (!(xfer
->usage
& PIPE_TRANSFER_FLUSH_EXPLICIT
)) {
1868 struct pipe_box flush_box
= {
1869 .x
= 0, .y
= 0, .z
= 0,
1870 .width
= xfer
->box
.width
,
1871 .height
= xfer
->box
.height
,
1872 .depth
= xfer
->box
.depth
,
1874 iris_transfer_flush_region(ctx
, xfer
, &flush_box
);
1880 pipe_resource_reference(&xfer
->resource
, NULL
);
1881 slab_free(&ice
->transfer_pool
, map
);
1885 * Mark state dirty that needs to be re-emitted when a resource is written.
1888 iris_dirty_for_history(struct iris_context
*ice
,
1889 struct iris_resource
*res
)
1891 uint64_t dirty
= 0ull;
1893 if (res
->bind_history
& PIPE_BIND_CONSTANT_BUFFER
) {
1894 dirty
|= IRIS_DIRTY_CONSTANTS_VS
|
1895 IRIS_DIRTY_CONSTANTS_TCS
|
1896 IRIS_DIRTY_CONSTANTS_TES
|
1897 IRIS_DIRTY_CONSTANTS_GS
|
1898 IRIS_DIRTY_CONSTANTS_FS
|
1899 IRIS_DIRTY_CONSTANTS_CS
|
1900 IRIS_ALL_DIRTY_BINDINGS
;
1903 ice
->state
.dirty
|= dirty
;
1907 * Produce a set of PIPE_CONTROL bits which ensure data written to a
1908 * resource becomes visible, and any stale read cache data is invalidated.
1911 iris_flush_bits_for_history(struct iris_resource
*res
)
1913 uint32_t flush
= PIPE_CONTROL_CS_STALL
;
1915 if (res
->bind_history
& PIPE_BIND_CONSTANT_BUFFER
) {
1916 flush
|= PIPE_CONTROL_CONST_CACHE_INVALIDATE
|
1917 PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE
;
1920 if (res
->bind_history
& PIPE_BIND_SAMPLER_VIEW
)
1921 flush
|= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE
;
1923 if (res
->bind_history
& (PIPE_BIND_VERTEX_BUFFER
| PIPE_BIND_INDEX_BUFFER
))
1924 flush
|= PIPE_CONTROL_VF_CACHE_INVALIDATE
;
1926 if (res
->bind_history
& (PIPE_BIND_SHADER_BUFFER
| PIPE_BIND_SHADER_IMAGE
))
1927 flush
|= PIPE_CONTROL_DATA_CACHE_FLUSH
;
1933 iris_flush_and_dirty_for_history(struct iris_context
*ice
,
1934 struct iris_batch
*batch
,
1935 struct iris_resource
*res
,
1936 uint32_t extra_flags
,
1939 if (res
->base
.target
!= PIPE_BUFFER
)
1942 uint32_t flush
= iris_flush_bits_for_history(res
) | extra_flags
;
1944 iris_emit_pipe_control_flush(batch
, reason
, flush
);
1946 iris_dirty_for_history(ice
, res
);
1950 iris_resource_set_clear_color(struct iris_context
*ice
,
1951 struct iris_resource
*res
,
1952 union isl_color_value color
)
1954 if (memcmp(&res
->aux
.clear_color
, &color
, sizeof(color
)) != 0) {
1955 res
->aux
.clear_color
= color
;
1962 union isl_color_value
1963 iris_resource_get_clear_color(const struct iris_resource
*res
,
1964 struct iris_bo
**clear_color_bo
,
1965 uint64_t *clear_color_offset
)
1967 assert(res
->aux
.bo
);
1970 *clear_color_bo
= res
->aux
.clear_color_bo
;
1971 if (clear_color_offset
)
1972 *clear_color_offset
= res
->aux
.clear_color_offset
;
1973 return res
->aux
.clear_color
;
1976 static enum pipe_format
1977 iris_resource_get_internal_format(struct pipe_resource
*p_res
)
1979 struct iris_resource
*res
= (void *) p_res
;
1980 return res
->internal_format
;
1983 static const struct u_transfer_vtbl transfer_vtbl
= {
1984 .resource_create
= iris_resource_create
,
1985 .resource_destroy
= iris_resource_destroy
,
1986 .transfer_map
= iris_transfer_map
,
1987 .transfer_unmap
= iris_transfer_unmap
,
1988 .transfer_flush_region
= iris_transfer_flush_region
,
1989 .get_internal_format
= iris_resource_get_internal_format
,
1990 .set_stencil
= iris_resource_set_separate_stencil
,
1991 .get_stencil
= iris_resource_get_separate_stencil
,
1995 iris_init_screen_resource_functions(struct pipe_screen
*pscreen
)
1997 pscreen
->query_dmabuf_modifiers
= iris_query_dmabuf_modifiers
;
1998 pscreen
->resource_create_with_modifiers
=
1999 iris_resource_create_with_modifiers
;
2000 pscreen
->resource_create
= u_transfer_helper_resource_create
;
2001 pscreen
->resource_from_user_memory
= iris_resource_from_user_memory
;
2002 pscreen
->resource_from_handle
= iris_resource_from_handle
;
2003 pscreen
->resource_get_handle
= iris_resource_get_handle
;
2004 pscreen
->resource_get_param
= iris_resource_get_param
;
2005 pscreen
->resource_destroy
= u_transfer_helper_resource_destroy
;
2006 pscreen
->transfer_helper
=
2007 u_transfer_helper_create(&transfer_vtbl
, true, true, false, true);
2011 iris_init_resource_functions(struct pipe_context
*ctx
)
2013 ctx
->flush_resource
= iris_flush_resource
;
2014 ctx
->invalidate_resource
= iris_invalidate_resource
;
2015 ctx
->transfer_map
= u_transfer_helper_transfer_map
;
2016 ctx
->transfer_flush_region
= u_transfer_helper_transfer_flush_region
;
2017 ctx
->transfer_unmap
= u_transfer_helper_transfer_unmap
;
2018 ctx
->buffer_subdata
= u_default_buffer_subdata
;
2019 ctx
->texture_subdata
= u_default_texture_subdata
;