2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 * Copyright 2015 Advanced Micro Devices, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * on the rights to use, copy, modify, merge, publish, distribute, sub
10 * license, and/or sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
23 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #include "si_compute.h"
28 #include "util/format/u_format.h"
29 #include "util/u_log.h"
30 #include "util/u_surface.h"
35 SI_SAVE_FRAMEBUFFER
| SI_SAVE_TEXTURES
| SI_SAVE_FRAGMENT_STATE
| SI_DISABLE_RENDER_COND
,
37 SI_BLIT
= SI_SAVE_FRAMEBUFFER
| SI_SAVE_TEXTURES
| SI_SAVE_FRAGMENT_STATE
,
39 SI_DECOMPRESS
= SI_SAVE_FRAMEBUFFER
| SI_SAVE_FRAGMENT_STATE
| SI_DISABLE_RENDER_COND
,
41 SI_COLOR_RESOLVE
= SI_SAVE_FRAMEBUFFER
| SI_SAVE_FRAGMENT_STATE
44 void si_blitter_begin(struct si_context
*sctx
, enum si_blitter_op op
)
46 util_blitter_save_vertex_shader(sctx
->blitter
, sctx
->vs_shader
.cso
);
47 util_blitter_save_tessctrl_shader(sctx
->blitter
, sctx
->tcs_shader
.cso
);
48 util_blitter_save_tesseval_shader(sctx
->blitter
, sctx
->tes_shader
.cso
);
49 util_blitter_save_geometry_shader(sctx
->blitter
, sctx
->gs_shader
.cso
);
50 util_blitter_save_so_targets(sctx
->blitter
, sctx
->streamout
.num_targets
,
51 (struct pipe_stream_output_target
**)sctx
->streamout
.targets
);
52 util_blitter_save_rasterizer(sctx
->blitter
, sctx
->queued
.named
.rasterizer
);
54 if (op
& SI_SAVE_FRAGMENT_STATE
) {
55 util_blitter_save_blend(sctx
->blitter
, sctx
->queued
.named
.blend
);
56 util_blitter_save_depth_stencil_alpha(sctx
->blitter
, sctx
->queued
.named
.dsa
);
57 util_blitter_save_stencil_ref(sctx
->blitter
, &sctx
->stencil_ref
.state
);
58 util_blitter_save_fragment_shader(sctx
->blitter
, sctx
->ps_shader
.cso
);
59 util_blitter_save_sample_mask(sctx
->blitter
, sctx
->sample_mask
);
60 util_blitter_save_scissor(sctx
->blitter
, &sctx
->scissors
[0]);
61 util_blitter_save_window_rectangles(sctx
->blitter
, sctx
->window_rectangles_include
,
62 sctx
->num_window_rectangles
, sctx
->window_rectangles
);
65 if (op
& SI_SAVE_FRAMEBUFFER
)
66 util_blitter_save_framebuffer(sctx
->blitter
, &sctx
->framebuffer
.state
);
68 if (op
& SI_SAVE_TEXTURES
) {
69 util_blitter_save_fragment_sampler_states(
70 sctx
->blitter
, 2, (void **)sctx
->samplers
[PIPE_SHADER_FRAGMENT
].sampler_states
);
72 util_blitter_save_fragment_sampler_views(sctx
->blitter
, 2,
73 sctx
->samplers
[PIPE_SHADER_FRAGMENT
].views
);
76 if (op
& SI_DISABLE_RENDER_COND
)
77 sctx
->render_cond_force_off
= true;
79 if (sctx
->screen
->dpbb_allowed
) {
80 sctx
->dpbb_force_off
= true;
81 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
85 void si_blitter_end(struct si_context
*sctx
)
87 if (sctx
->screen
->dpbb_allowed
) {
88 sctx
->dpbb_force_off
= false;
89 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
92 sctx
->render_cond_force_off
= false;
94 /* Restore shader pointers because the VS blit shader changed all
95 * non-global VS user SGPRs. */
96 sctx
->shader_pointers_dirty
|= SI_DESCS_SHADER_MASK(VERTEX
);
97 sctx
->vertex_buffer_pointer_dirty
= sctx
->vb_descriptors_buffer
!= NULL
;
98 sctx
->vertex_buffer_user_sgprs_dirty
= sctx
->num_vertex_elements
> 0;
99 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.shader_pointers
);
102 static unsigned u_max_sample(struct pipe_resource
*r
)
104 return r
->nr_samples
? r
->nr_samples
- 1 : 0;
107 static unsigned si_blit_dbcb_copy(struct si_context
*sctx
, struct si_texture
*src
,
108 struct si_texture
*dst
, unsigned planes
, unsigned level_mask
,
109 unsigned first_layer
, unsigned last_layer
, unsigned first_sample
,
110 unsigned last_sample
)
112 struct pipe_surface surf_tmpl
= {{0}};
113 unsigned layer
, sample
, checked_last_layer
, max_layer
;
114 unsigned fully_copied_levels
= 0;
116 if (planes
& PIPE_MASK_Z
)
117 sctx
->dbcb_depth_copy_enabled
= true;
118 if (planes
& PIPE_MASK_S
)
119 sctx
->dbcb_stencil_copy_enabled
= true;
120 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
122 assert(sctx
->dbcb_depth_copy_enabled
|| sctx
->dbcb_stencil_copy_enabled
);
124 sctx
->decompression_enabled
= true;
127 unsigned level
= u_bit_scan(&level_mask
);
129 /* The smaller the mipmap level, the less layers there are
130 * as far as 3D textures are concerned. */
131 max_layer
= util_max_layer(&src
->buffer
.b
.b
, level
);
132 checked_last_layer
= MIN2(last_layer
, max_layer
);
134 surf_tmpl
.u
.tex
.level
= level
;
136 for (layer
= first_layer
; layer
<= checked_last_layer
; layer
++) {
137 struct pipe_surface
*zsurf
, *cbsurf
;
139 surf_tmpl
.format
= src
->buffer
.b
.b
.format
;
140 surf_tmpl
.u
.tex
.first_layer
= layer
;
141 surf_tmpl
.u
.tex
.last_layer
= layer
;
143 zsurf
= sctx
->b
.create_surface(&sctx
->b
, &src
->buffer
.b
.b
, &surf_tmpl
);
145 surf_tmpl
.format
= dst
->buffer
.b
.b
.format
;
146 cbsurf
= sctx
->b
.create_surface(&sctx
->b
, &dst
->buffer
.b
.b
, &surf_tmpl
);
148 for (sample
= first_sample
; sample
<= last_sample
; sample
++) {
149 if (sample
!= sctx
->dbcb_copy_sample
) {
150 sctx
->dbcb_copy_sample
= sample
;
151 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
154 si_blitter_begin(sctx
, SI_DECOMPRESS
);
155 util_blitter_custom_depth_stencil(sctx
->blitter
, zsurf
, cbsurf
, 1 << sample
,
156 sctx
->custom_dsa_flush
, 1.0f
);
157 si_blitter_end(sctx
);
160 pipe_surface_reference(&zsurf
, NULL
);
161 pipe_surface_reference(&cbsurf
, NULL
);
164 if (first_layer
== 0 && last_layer
>= max_layer
&& first_sample
== 0 &&
165 last_sample
>= u_max_sample(&src
->buffer
.b
.b
))
166 fully_copied_levels
|= 1u << level
;
169 sctx
->decompression_enabled
= false;
170 sctx
->dbcb_depth_copy_enabled
= false;
171 sctx
->dbcb_stencil_copy_enabled
= false;
172 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
174 return fully_copied_levels
;
177 /* Helper function for si_blit_decompress_zs_in_place.
179 static void si_blit_decompress_zs_planes_in_place(struct si_context
*sctx
,
180 struct si_texture
*texture
, unsigned planes
,
181 unsigned level_mask
, unsigned first_layer
,
184 struct pipe_surface
*zsurf
, surf_tmpl
= {{0}};
185 unsigned layer
, max_layer
, checked_last_layer
;
186 unsigned fully_decompressed_mask
= 0;
191 if (planes
& PIPE_MASK_S
)
192 sctx
->db_flush_stencil_inplace
= true;
193 if (planes
& PIPE_MASK_Z
)
194 sctx
->db_flush_depth_inplace
= true;
195 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
197 surf_tmpl
.format
= texture
->buffer
.b
.b
.format
;
199 sctx
->decompression_enabled
= true;
202 unsigned level
= u_bit_scan(&level_mask
);
204 surf_tmpl
.u
.tex
.level
= level
;
206 /* The smaller the mipmap level, the less layers there are
207 * as far as 3D textures are concerned. */
208 max_layer
= util_max_layer(&texture
->buffer
.b
.b
, level
);
209 checked_last_layer
= MIN2(last_layer
, max_layer
);
211 for (layer
= first_layer
; layer
<= checked_last_layer
; layer
++) {
212 surf_tmpl
.u
.tex
.first_layer
= layer
;
213 surf_tmpl
.u
.tex
.last_layer
= layer
;
215 zsurf
= sctx
->b
.create_surface(&sctx
->b
, &texture
->buffer
.b
.b
, &surf_tmpl
);
217 si_blitter_begin(sctx
, SI_DECOMPRESS
);
218 util_blitter_custom_depth_stencil(sctx
->blitter
, zsurf
, NULL
, ~0, sctx
->custom_dsa_flush
,
220 si_blitter_end(sctx
);
222 pipe_surface_reference(&zsurf
, NULL
);
225 /* The texture will always be dirty if some layers aren't flushed.
226 * I don't think this case occurs often though. */
227 if (first_layer
== 0 && last_layer
>= max_layer
) {
228 fully_decompressed_mask
|= 1u << level
;
232 if (planes
& PIPE_MASK_Z
)
233 texture
->dirty_level_mask
&= ~fully_decompressed_mask
;
234 if (planes
& PIPE_MASK_S
)
235 texture
->stencil_dirty_level_mask
&= ~fully_decompressed_mask
;
237 sctx
->decompression_enabled
= false;
238 sctx
->db_flush_depth_inplace
= false;
239 sctx
->db_flush_stencil_inplace
= false;
240 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
243 /* Helper function of si_flush_depth_texture: decompress the given levels
244 * of Z and/or S planes in place.
246 static void si_blit_decompress_zs_in_place(struct si_context
*sctx
, struct si_texture
*texture
,
247 unsigned levels_z
, unsigned levels_s
,
248 unsigned first_layer
, unsigned last_layer
)
250 unsigned both
= levels_z
& levels_s
;
252 /* First, do combined Z & S decompresses for levels that need it. */
254 si_blit_decompress_zs_planes_in_place(sctx
, texture
, PIPE_MASK_Z
| PIPE_MASK_S
, both
,
255 first_layer
, last_layer
);
260 /* Now do separate Z and S decompresses. */
262 si_blit_decompress_zs_planes_in_place(sctx
, texture
, PIPE_MASK_Z
, levels_z
, first_layer
,
267 si_blit_decompress_zs_planes_in_place(sctx
, texture
, PIPE_MASK_S
, levels_s
, first_layer
,
272 static void si_decompress_depth(struct si_context
*sctx
, struct si_texture
*tex
,
273 unsigned required_planes
, unsigned first_level
, unsigned last_level
,
274 unsigned first_layer
, unsigned last_layer
)
276 unsigned inplace_planes
= 0;
277 unsigned copy_planes
= 0;
278 unsigned level_mask
= u_bit_consecutive(first_level
, last_level
- first_level
+ 1);
279 unsigned levels_z
= 0;
280 unsigned levels_s
= 0;
282 if (required_planes
& PIPE_MASK_Z
) {
283 levels_z
= level_mask
& tex
->dirty_level_mask
;
286 if (si_can_sample_zs(tex
, false))
287 inplace_planes
|= PIPE_MASK_Z
;
289 copy_planes
|= PIPE_MASK_Z
;
292 if (required_planes
& PIPE_MASK_S
) {
293 levels_s
= level_mask
& tex
->stencil_dirty_level_mask
;
296 if (si_can_sample_zs(tex
, true))
297 inplace_planes
|= PIPE_MASK_S
;
299 copy_planes
|= PIPE_MASK_S
;
303 if (unlikely(sctx
->log
))
304 u_log_printf(sctx
->log
,
305 "\n------------------------------------------------\n"
306 "Decompress Depth (levels %u - %u, levels Z: 0x%x S: 0x%x)\n\n",
307 first_level
, last_level
, levels_z
, levels_s
);
309 /* We may have to allocate the flushed texture here when called from
310 * si_decompress_subresource.
313 (tex
->flushed_depth_texture
|| si_init_flushed_depth_texture(&sctx
->b
, &tex
->buffer
.b
.b
))) {
314 struct si_texture
*dst
= tex
->flushed_depth_texture
;
315 unsigned fully_copied_levels
;
318 assert(tex
->flushed_depth_texture
);
320 if (util_format_is_depth_and_stencil(dst
->buffer
.b
.b
.format
))
321 copy_planes
= PIPE_MASK_Z
| PIPE_MASK_S
;
323 if (copy_planes
& PIPE_MASK_Z
) {
327 if (copy_planes
& PIPE_MASK_S
) {
332 fully_copied_levels
= si_blit_dbcb_copy(sctx
, tex
, dst
, copy_planes
, levels
, first_layer
,
333 last_layer
, 0, u_max_sample(&tex
->buffer
.b
.b
));
335 if (copy_planes
& PIPE_MASK_Z
)
336 tex
->dirty_level_mask
&= ~fully_copied_levels
;
337 if (copy_planes
& PIPE_MASK_S
)
338 tex
->stencil_dirty_level_mask
&= ~fully_copied_levels
;
341 if (inplace_planes
) {
342 bool has_htile
= si_htile_enabled(tex
, first_level
, inplace_planes
);
343 bool tc_compat_htile
= vi_tc_compat_htile_enabled(tex
, first_level
, inplace_planes
);
345 /* Don't decompress if there is no HTILE or when HTILE is
347 if (has_htile
&& !tc_compat_htile
) {
348 si_blit_decompress_zs_in_place(sctx
, tex
, levels_z
, levels_s
, first_layer
, last_layer
);
350 /* This is only a cache flush.
352 * Only clear the mask that we are flushing, because
353 * si_make_DB_shader_coherent() treats different levels
354 * and depth and stencil differently.
356 if (inplace_planes
& PIPE_MASK_Z
)
357 tex
->dirty_level_mask
&= ~levels_z
;
358 if (inplace_planes
& PIPE_MASK_S
)
359 tex
->stencil_dirty_level_mask
&= ~levels_s
;
362 /* We just had to completely decompress Z/S for texturing. Enable
363 * TC-compatible HTILE on the next clear, so that the decompression
364 * doesn't have to be done for this texture ever again.
366 * TC-compatible HTILE might slightly reduce Z/S performance, but
367 * the decompression is much worse.
369 if (has_htile
&& !tc_compat_htile
&&
370 tex
->surface
.flags
& RADEON_SURF_TC_COMPATIBLE_HTILE
&&
371 (inplace_planes
& PIPE_MASK_Z
|| !tex
->htile_stencil_disabled
))
372 tex
->enable_tc_compatible_htile_next_clear
= true;
374 /* Only in-place decompression needs to flush DB caches, or
375 * when we don't decompress but TC-compatible planes are dirty.
377 si_make_DB_shader_coherent(sctx
, tex
->buffer
.b
.b
.nr_samples
, inplace_planes
& PIPE_MASK_S
,
380 /* set_framebuffer_state takes care of coherency for single-sample.
381 * The DB->CB copy uses CB for the final writes.
383 if (copy_planes
&& tex
->buffer
.b
.b
.nr_samples
> 1)
384 si_make_CB_shader_coherent(sctx
, tex
->buffer
.b
.b
.nr_samples
, false, true /* no DCC */);
387 static void si_decompress_sampler_depth_textures(struct si_context
*sctx
,
388 struct si_samplers
*textures
)
391 unsigned mask
= textures
->needs_depth_decompress_mask
;
394 struct pipe_sampler_view
*view
;
395 struct si_sampler_view
*sview
;
396 struct si_texture
*tex
;
398 i
= u_bit_scan(&mask
);
400 view
= textures
->views
[i
];
402 sview
= (struct si_sampler_view
*)view
;
404 tex
= (struct si_texture
*)view
->texture
;
405 assert(tex
->db_compatible
);
407 si_decompress_depth(sctx
, tex
, sview
->is_stencil_sampler
? PIPE_MASK_S
: PIPE_MASK_Z
,
408 view
->u
.tex
.first_level
, view
->u
.tex
.last_level
, 0,
409 util_max_layer(&tex
->buffer
.b
.b
, view
->u
.tex
.first_level
));
413 static void si_blit_decompress_color(struct si_context
*sctx
, struct si_texture
*tex
,
414 unsigned first_level
, unsigned last_level
,
415 unsigned first_layer
, unsigned last_layer
,
416 bool need_dcc_decompress
, bool need_fmask_expand
)
419 unsigned layer
, checked_last_layer
, max_layer
;
420 unsigned level_mask
= u_bit_consecutive(first_level
, last_level
- first_level
+ 1);
422 if (!need_dcc_decompress
)
423 level_mask
&= tex
->dirty_level_mask
;
427 if (unlikely(sctx
->log
))
428 u_log_printf(sctx
->log
,
429 "\n------------------------------------------------\n"
430 "Decompress Color (levels %u - %u, mask 0x%x)\n\n",
431 first_level
, last_level
, level_mask
);
433 if (need_dcc_decompress
) {
434 assert(sctx
->chip_class
== GFX8
);
435 custom_blend
= sctx
->custom_blend_dcc_decompress
;
437 assert(vi_dcc_enabled(tex
, first_level
));
439 /* disable levels without DCC */
440 for (int i
= first_level
; i
<= last_level
; i
++) {
441 if (!vi_dcc_enabled(tex
, i
))
442 level_mask
&= ~(1 << i
);
444 } else if (tex
->surface
.fmask_size
) {
445 custom_blend
= sctx
->custom_blend_fmask_decompress
;
447 custom_blend
= sctx
->custom_blend_eliminate_fastclear
;
450 sctx
->decompression_enabled
= true;
453 unsigned level
= u_bit_scan(&level_mask
);
455 /* The smaller the mipmap level, the less layers there are
456 * as far as 3D textures are concerned. */
457 max_layer
= util_max_layer(&tex
->buffer
.b
.b
, level
);
458 checked_last_layer
= MIN2(last_layer
, max_layer
);
460 for (layer
= first_layer
; layer
<= checked_last_layer
; layer
++) {
461 struct pipe_surface
*cbsurf
, surf_tmpl
;
463 surf_tmpl
.format
= tex
->buffer
.b
.b
.format
;
464 surf_tmpl
.u
.tex
.level
= level
;
465 surf_tmpl
.u
.tex
.first_layer
= layer
;
466 surf_tmpl
.u
.tex
.last_layer
= layer
;
467 cbsurf
= sctx
->b
.create_surface(&sctx
->b
, &tex
->buffer
.b
.b
, &surf_tmpl
);
469 /* Required before and after FMASK and DCC_DECOMPRESS. */
470 if (custom_blend
== sctx
->custom_blend_fmask_decompress
||
471 custom_blend
== sctx
->custom_blend_dcc_decompress
)
472 sctx
->flags
|= SI_CONTEXT_FLUSH_AND_INV_CB
;
474 si_blitter_begin(sctx
, SI_DECOMPRESS
);
475 util_blitter_custom_color(sctx
->blitter
, cbsurf
, custom_blend
);
476 si_blitter_end(sctx
);
478 if (custom_blend
== sctx
->custom_blend_fmask_decompress
||
479 custom_blend
== sctx
->custom_blend_dcc_decompress
)
480 sctx
->flags
|= SI_CONTEXT_FLUSH_AND_INV_CB
;
482 pipe_surface_reference(&cbsurf
, NULL
);
485 /* The texture will always be dirty if some layers aren't flushed.
486 * I don't think this case occurs often though. */
487 if (first_layer
== 0 && last_layer
>= max_layer
) {
488 tex
->dirty_level_mask
&= ~(1 << level
);
492 sctx
->decompression_enabled
= false;
493 si_make_CB_shader_coherent(sctx
, tex
->buffer
.b
.b
.nr_samples
, vi_dcc_enabled(tex
, first_level
),
494 tex
->surface
.u
.gfx9
.dcc
.pipe_aligned
);
497 if (need_fmask_expand
&& tex
->surface
.fmask_offset
&& !tex
->fmask_is_identity
) {
498 si_compute_expand_fmask(&sctx
->b
, &tex
->buffer
.b
.b
);
499 tex
->fmask_is_identity
= true;
503 static void si_decompress_color_texture(struct si_context
*sctx
, struct si_texture
*tex
,
504 unsigned first_level
, unsigned last_level
,
505 bool need_fmask_expand
)
507 /* CMASK or DCC can be discarded and we can still end up here. */
508 if (!tex
->cmask_buffer
&& !tex
->surface
.fmask_size
&&
509 !vi_dcc_enabled(tex
, first_level
))
512 si_blit_decompress_color(sctx
, tex
, first_level
, last_level
, 0,
513 util_max_layer(&tex
->buffer
.b
.b
, first_level
), false,
517 static void si_decompress_sampler_color_textures(struct si_context
*sctx
,
518 struct si_samplers
*textures
)
521 unsigned mask
= textures
->needs_color_decompress_mask
;
524 struct pipe_sampler_view
*view
;
525 struct si_texture
*tex
;
527 i
= u_bit_scan(&mask
);
529 view
= textures
->views
[i
];
532 tex
= (struct si_texture
*)view
->texture
;
534 si_decompress_color_texture(sctx
, tex
, view
->u
.tex
.first_level
, view
->u
.tex
.last_level
,
539 static void si_decompress_image_color_textures(struct si_context
*sctx
, struct si_images
*images
)
542 unsigned mask
= images
->needs_color_decompress_mask
;
545 const struct pipe_image_view
*view
;
546 struct si_texture
*tex
;
548 i
= u_bit_scan(&mask
);
550 view
= &images
->views
[i
];
551 assert(view
->resource
->target
!= PIPE_BUFFER
);
553 tex
= (struct si_texture
*)view
->resource
;
555 si_decompress_color_texture(sctx
, tex
, view
->u
.tex
.level
, view
->u
.tex
.level
,
556 view
->access
& PIPE_IMAGE_ACCESS_WRITE
);
560 static void si_check_render_feedback_texture(struct si_context
*sctx
, struct si_texture
*tex
,
561 unsigned first_level
, unsigned last_level
,
562 unsigned first_layer
, unsigned last_layer
)
564 bool render_feedback
= false;
566 if (!vi_dcc_enabled(tex
, first_level
))
569 for (unsigned j
= 0; j
< sctx
->framebuffer
.state
.nr_cbufs
; ++j
) {
570 struct si_surface
*surf
;
572 if (!sctx
->framebuffer
.state
.cbufs
[j
])
575 surf
= (struct si_surface
*)sctx
->framebuffer
.state
.cbufs
[j
];
577 if (tex
== (struct si_texture
*)surf
->base
.texture
&& surf
->base
.u
.tex
.level
>= first_level
&&
578 surf
->base
.u
.tex
.level
<= last_level
&& surf
->base
.u
.tex
.first_layer
<= last_layer
&&
579 surf
->base
.u
.tex
.last_layer
>= first_layer
) {
580 render_feedback
= true;
586 si_texture_disable_dcc(sctx
, tex
);
589 static void si_check_render_feedback_textures(struct si_context
*sctx
, struct si_samplers
*textures
)
591 uint32_t mask
= textures
->enabled_mask
;
594 const struct pipe_sampler_view
*view
;
595 struct si_texture
*tex
;
597 unsigned i
= u_bit_scan(&mask
);
599 view
= textures
->views
[i
];
600 if (view
->texture
->target
== PIPE_BUFFER
)
603 tex
= (struct si_texture
*)view
->texture
;
605 si_check_render_feedback_texture(sctx
, tex
, view
->u
.tex
.first_level
, view
->u
.tex
.last_level
,
606 view
->u
.tex
.first_layer
, view
->u
.tex
.last_layer
);
610 static void si_check_render_feedback_images(struct si_context
*sctx
, struct si_images
*images
)
612 uint32_t mask
= images
->enabled_mask
;
615 const struct pipe_image_view
*view
;
616 struct si_texture
*tex
;
618 unsigned i
= u_bit_scan(&mask
);
620 view
= &images
->views
[i
];
621 if (view
->resource
->target
== PIPE_BUFFER
)
624 tex
= (struct si_texture
*)view
->resource
;
626 si_check_render_feedback_texture(sctx
, tex
, view
->u
.tex
.level
, view
->u
.tex
.level
,
627 view
->u
.tex
.first_layer
, view
->u
.tex
.last_layer
);
631 static void si_check_render_feedback_resident_textures(struct si_context
*sctx
)
633 util_dynarray_foreach (&sctx
->resident_tex_handles
, struct si_texture_handle
*, tex_handle
) {
634 struct pipe_sampler_view
*view
;
635 struct si_texture
*tex
;
637 view
= (*tex_handle
)->view
;
638 if (view
->texture
->target
== PIPE_BUFFER
)
641 tex
= (struct si_texture
*)view
->texture
;
643 si_check_render_feedback_texture(sctx
, tex
, view
->u
.tex
.first_level
, view
->u
.tex
.last_level
,
644 view
->u
.tex
.first_layer
, view
->u
.tex
.last_layer
);
648 static void si_check_render_feedback_resident_images(struct si_context
*sctx
)
650 util_dynarray_foreach (&sctx
->resident_img_handles
, struct si_image_handle
*, img_handle
) {
651 struct pipe_image_view
*view
;
652 struct si_texture
*tex
;
654 view
= &(*img_handle
)->view
;
655 if (view
->resource
->target
== PIPE_BUFFER
)
658 tex
= (struct si_texture
*)view
->resource
;
660 si_check_render_feedback_texture(sctx
, tex
, view
->u
.tex
.level
, view
->u
.tex
.level
,
661 view
->u
.tex
.first_layer
, view
->u
.tex
.last_layer
);
665 static void si_check_render_feedback(struct si_context
*sctx
)
667 if (!sctx
->need_check_render_feedback
)
670 /* There is no render feedback if color writes are disabled.
671 * (e.g. a pixel shader with image stores)
673 if (!si_get_total_colormask(sctx
))
676 for (int i
= 0; i
< SI_NUM_SHADERS
; ++i
) {
677 si_check_render_feedback_images(sctx
, &sctx
->images
[i
]);
678 si_check_render_feedback_textures(sctx
, &sctx
->samplers
[i
]);
681 si_check_render_feedback_resident_images(sctx
);
682 si_check_render_feedback_resident_textures(sctx
);
684 sctx
->need_check_render_feedback
= false;
687 static void si_decompress_resident_textures(struct si_context
*sctx
)
689 util_dynarray_foreach (&sctx
->resident_tex_needs_color_decompress
, struct si_texture_handle
*,
691 struct pipe_sampler_view
*view
= (*tex_handle
)->view
;
692 struct si_texture
*tex
= (struct si_texture
*)view
->texture
;
694 si_decompress_color_texture(sctx
, tex
, view
->u
.tex
.first_level
, view
->u
.tex
.last_level
,
698 util_dynarray_foreach (&sctx
->resident_tex_needs_depth_decompress
, struct si_texture_handle
*,
700 struct pipe_sampler_view
*view
= (*tex_handle
)->view
;
701 struct si_sampler_view
*sview
= (struct si_sampler_view
*)view
;
702 struct si_texture
*tex
= (struct si_texture
*)view
->texture
;
704 si_decompress_depth(sctx
, tex
, sview
->is_stencil_sampler
? PIPE_MASK_S
: PIPE_MASK_Z
,
705 view
->u
.tex
.first_level
, view
->u
.tex
.last_level
, 0,
706 util_max_layer(&tex
->buffer
.b
.b
, view
->u
.tex
.first_level
));
710 static void si_decompress_resident_images(struct si_context
*sctx
)
712 util_dynarray_foreach (&sctx
->resident_img_needs_color_decompress
, struct si_image_handle
*,
714 struct pipe_image_view
*view
= &(*img_handle
)->view
;
715 struct si_texture
*tex
= (struct si_texture
*)view
->resource
;
717 si_decompress_color_texture(sctx
, tex
, view
->u
.tex
.level
, view
->u
.tex
.level
,
718 view
->access
& PIPE_IMAGE_ACCESS_WRITE
);
722 void si_decompress_textures(struct si_context
*sctx
, unsigned shader_mask
)
724 unsigned compressed_colortex_counter
, mask
;
726 if (sctx
->blitter
->running
)
729 /* Update the compressed_colortex_mask if necessary. */
730 compressed_colortex_counter
= p_atomic_read(&sctx
->screen
->compressed_colortex_counter
);
731 if (compressed_colortex_counter
!= sctx
->last_compressed_colortex_counter
) {
732 sctx
->last_compressed_colortex_counter
= compressed_colortex_counter
;
733 si_update_needs_color_decompress_masks(sctx
);
736 /* Decompress color & depth textures if needed. */
737 mask
= sctx
->shader_needs_decompress_mask
& shader_mask
;
739 unsigned i
= u_bit_scan(&mask
);
741 if (sctx
->samplers
[i
].needs_depth_decompress_mask
) {
742 si_decompress_sampler_depth_textures(sctx
, &sctx
->samplers
[i
]);
744 if (sctx
->samplers
[i
].needs_color_decompress_mask
) {
745 si_decompress_sampler_color_textures(sctx
, &sctx
->samplers
[i
]);
747 if (sctx
->images
[i
].needs_color_decompress_mask
) {
748 si_decompress_image_color_textures(sctx
, &sctx
->images
[i
]);
752 if (shader_mask
& u_bit_consecutive(0, SI_NUM_GRAPHICS_SHADERS
)) {
753 if (sctx
->uses_bindless_samplers
)
754 si_decompress_resident_textures(sctx
);
755 if (sctx
->uses_bindless_images
)
756 si_decompress_resident_images(sctx
);
758 if (sctx
->ps_uses_fbfetch
) {
759 struct pipe_surface
*cb0
= sctx
->framebuffer
.state
.cbufs
[0];
760 si_decompress_color_texture(sctx
, (struct si_texture
*)cb0
->texture
,
761 cb0
->u
.tex
.first_layer
, cb0
->u
.tex
.last_layer
, false);
764 si_check_render_feedback(sctx
);
765 } else if (shader_mask
& (1 << PIPE_SHADER_COMPUTE
)) {
766 if (sctx
->cs_shader_state
.program
->sel
.info
.uses_bindless_samplers
)
767 si_decompress_resident_textures(sctx
);
768 if (sctx
->cs_shader_state
.program
->sel
.info
.uses_bindless_images
)
769 si_decompress_resident_images(sctx
);
773 /* Helper for decompressing a portion of a color or depth resource before
774 * blitting if any decompression is needed.
775 * The driver doesn't decompress resources automatically while u_blitter is
777 void si_decompress_subresource(struct pipe_context
*ctx
, struct pipe_resource
*tex
, unsigned planes
,
778 unsigned level
, unsigned first_layer
, unsigned last_layer
)
780 struct si_context
*sctx
= (struct si_context
*)ctx
;
781 struct si_texture
*stex
= (struct si_texture
*)tex
;
783 if (stex
->db_compatible
) {
784 planes
&= PIPE_MASK_Z
| PIPE_MASK_S
;
786 if (!stex
->surface
.has_stencil
)
787 planes
&= ~PIPE_MASK_S
;
789 /* If we've rendered into the framebuffer and it's a blitting
790 * source, make sure the decompression pass is invoked
791 * by dirtying the framebuffer.
793 if (sctx
->framebuffer
.state
.zsbuf
&& sctx
->framebuffer
.state
.zsbuf
->u
.tex
.level
== level
&&
794 sctx
->framebuffer
.state
.zsbuf
->texture
== tex
)
795 si_update_fb_dirtiness_after_rendering(sctx
);
797 si_decompress_depth(sctx
, stex
, planes
, level
, level
, first_layer
, last_layer
);
798 } else if (stex
->surface
.fmask_size
|| stex
->cmask_buffer
||
799 vi_dcc_enabled(stex
, level
)) {
800 /* If we've rendered into the framebuffer and it's a blitting
801 * source, make sure the decompression pass is invoked
802 * by dirtying the framebuffer.
804 for (unsigned i
= 0; i
< sctx
->framebuffer
.state
.nr_cbufs
; i
++) {
805 if (sctx
->framebuffer
.state
.cbufs
[i
] &&
806 sctx
->framebuffer
.state
.cbufs
[i
]->u
.tex
.level
== level
&&
807 sctx
->framebuffer
.state
.cbufs
[i
]->texture
== tex
) {
808 si_update_fb_dirtiness_after_rendering(sctx
);
813 si_blit_decompress_color(sctx
, stex
, level
, level
, first_layer
, last_layer
, false, false);
817 struct texture_orig_info
{
827 void si_resource_copy_region(struct pipe_context
*ctx
, struct pipe_resource
*dst
,
828 unsigned dst_level
, unsigned dstx
, unsigned dsty
, unsigned dstz
,
829 struct pipe_resource
*src
, unsigned src_level
,
830 const struct pipe_box
*src_box
)
832 struct si_context
*sctx
= (struct si_context
*)ctx
;
833 struct si_texture
*ssrc
= (struct si_texture
*)src
;
834 struct si_texture
*sdst
= (struct si_texture
*)dst
;
835 struct pipe_surface
*dst_view
, dst_templ
;
836 struct pipe_sampler_view src_templ
, *src_view
;
837 unsigned dst_width
, dst_height
, src_width0
, src_height0
;
838 unsigned dst_width0
, dst_height0
, src_force_level
= 0;
839 struct pipe_box sbox
, dstbox
;
841 /* Handle buffers first. */
842 if (dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
) {
843 si_copy_buffer(sctx
, dst
, src
, dstx
, src_box
->x
, src_box
->width
);
847 if (!util_format_is_compressed(src
->format
) && !util_format_is_compressed(dst
->format
) &&
848 !util_format_is_depth_or_stencil(src
->format
) && src
->nr_samples
<= 1 &&
849 !vi_dcc_enabled(sdst
, dst_level
) &&
850 !(dst
->target
!= src
->target
&&
851 (src
->target
== PIPE_TEXTURE_1D_ARRAY
|| dst
->target
== PIPE_TEXTURE_1D_ARRAY
))) {
852 si_compute_copy_image(sctx
, dst
, dst_level
, src
, src_level
, dstx
, dsty
, dstz
,
857 assert(u_max_sample(dst
) == u_max_sample(src
));
859 /* The driver doesn't decompress resources automatically while
860 * u_blitter is rendering. */
861 si_decompress_subresource(ctx
, src
, PIPE_MASK_RGBAZS
, src_level
, src_box
->z
,
862 src_box
->z
+ src_box
->depth
- 1);
864 dst_width
= u_minify(dst
->width0
, dst_level
);
865 dst_height
= u_minify(dst
->height0
, dst_level
);
866 dst_width0
= dst
->width0
;
867 dst_height0
= dst
->height0
;
868 src_width0
= src
->width0
;
869 src_height0
= src
->height0
;
871 util_blitter_default_dst_texture(&dst_templ
, dst
, dst_level
, dstz
);
872 util_blitter_default_src_texture(sctx
->blitter
, &src_templ
, src
, src_level
);
874 if (util_format_is_compressed(src
->format
) || util_format_is_compressed(dst
->format
)) {
875 unsigned blocksize
= ssrc
->surface
.bpe
;
878 src_templ
.format
= PIPE_FORMAT_R16G16B16A16_UINT
; /* 64-bit block */
880 src_templ
.format
= PIPE_FORMAT_R32G32B32A32_UINT
; /* 128-bit block */
881 dst_templ
.format
= src_templ
.format
;
883 dst_width
= util_format_get_nblocksx(dst
->format
, dst_width
);
884 dst_height
= util_format_get_nblocksy(dst
->format
, dst_height
);
885 dst_width0
= util_format_get_nblocksx(dst
->format
, dst_width0
);
886 dst_height0
= util_format_get_nblocksy(dst
->format
, dst_height0
);
887 src_width0
= util_format_get_nblocksx(src
->format
, src_width0
);
888 src_height0
= util_format_get_nblocksy(src
->format
, src_height0
);
890 dstx
= util_format_get_nblocksx(dst
->format
, dstx
);
891 dsty
= util_format_get_nblocksy(dst
->format
, dsty
);
893 sbox
.x
= util_format_get_nblocksx(src
->format
, src_box
->x
);
894 sbox
.y
= util_format_get_nblocksy(src
->format
, src_box
->y
);
896 sbox
.width
= util_format_get_nblocksx(src
->format
, src_box
->width
);
897 sbox
.height
= util_format_get_nblocksy(src
->format
, src_box
->height
);
898 sbox
.depth
= src_box
->depth
;
901 src_force_level
= src_level
;
902 } else if (!util_blitter_is_copy_supported(sctx
->blitter
, dst
, src
)) {
903 if (util_format_is_subsampled_422(src
->format
)) {
904 src_templ
.format
= PIPE_FORMAT_R8G8B8A8_UINT
;
905 dst_templ
.format
= PIPE_FORMAT_R8G8B8A8_UINT
;
907 dst_width
= util_format_get_nblocksx(dst
->format
, dst_width
);
908 dst_width0
= util_format_get_nblocksx(dst
->format
, dst_width0
);
909 src_width0
= util_format_get_nblocksx(src
->format
, src_width0
);
911 dstx
= util_format_get_nblocksx(dst
->format
, dstx
);
914 sbox
.x
= util_format_get_nblocksx(src
->format
, src_box
->x
);
915 sbox
.width
= util_format_get_nblocksx(src
->format
, src_box
->width
);
918 unsigned blocksize
= ssrc
->surface
.bpe
;
922 dst_templ
.format
= PIPE_FORMAT_R8_UNORM
;
923 src_templ
.format
= PIPE_FORMAT_R8_UNORM
;
926 dst_templ
.format
= PIPE_FORMAT_R8G8_UNORM
;
927 src_templ
.format
= PIPE_FORMAT_R8G8_UNORM
;
930 dst_templ
.format
= PIPE_FORMAT_R8G8B8A8_UNORM
;
931 src_templ
.format
= PIPE_FORMAT_R8G8B8A8_UNORM
;
934 dst_templ
.format
= PIPE_FORMAT_R16G16B16A16_UINT
;
935 src_templ
.format
= PIPE_FORMAT_R16G16B16A16_UINT
;
938 dst_templ
.format
= PIPE_FORMAT_R32G32B32A32_UINT
;
939 src_templ
.format
= PIPE_FORMAT_R32G32B32A32_UINT
;
942 fprintf(stderr
, "Unhandled format %s with blocksize %u\n",
943 util_format_short_name(src
->format
), blocksize
);
949 /* SNORM8 blitting has precision issues on some chips. Use the SINT
950 * equivalent instead, which doesn't force DCC decompression.
951 * Note that some chips avoid this issue by using SDMA.
953 if (util_format_is_snorm8(dst_templ
.format
)) {
954 dst_templ
.format
= src_templ
.format
= util_format_snorm8_to_sint8(dst_templ
.format
);
957 vi_disable_dcc_if_incompatible_format(sctx
, dst
, dst_level
, dst_templ
.format
);
958 vi_disable_dcc_if_incompatible_format(sctx
, src
, src_level
, src_templ
.format
);
960 /* Initialize the surface. */
961 dst_view
= si_create_surface_custom(ctx
, dst
, &dst_templ
, dst_width0
, dst_height0
, dst_width
,
964 /* Initialize the sampler view. */
966 si_create_sampler_view_custom(ctx
, src
, &src_templ
, src_width0
, src_height0
, src_force_level
);
968 u_box_3d(dstx
, dsty
, dstz
, abs(src_box
->width
), abs(src_box
->height
), abs(src_box
->depth
),
972 si_blitter_begin(sctx
, SI_COPY
);
973 util_blitter_blit_generic(sctx
->blitter
, dst_view
, &dstbox
, src_view
, src_box
, src_width0
,
974 src_height0
, PIPE_MASK_RGBAZS
, PIPE_TEX_FILTER_NEAREST
, NULL
, false);
975 si_blitter_end(sctx
);
977 pipe_surface_reference(&dst_view
, NULL
);
978 pipe_sampler_view_reference(&src_view
, NULL
);
981 static void si_do_CB_resolve(struct si_context
*sctx
, const struct pipe_blit_info
*info
,
982 struct pipe_resource
*dst
, unsigned dst_level
, unsigned dst_z
,
983 enum pipe_format format
)
985 /* Required before and after CB_RESOLVE. */
986 sctx
->flags
|= SI_CONTEXT_FLUSH_AND_INV_CB
;
989 sctx
, SI_COLOR_RESOLVE
| (info
->render_condition_enable
? 0 : SI_DISABLE_RENDER_COND
));
990 util_blitter_custom_resolve_color(sctx
->blitter
, dst
, dst_level
, dst_z
, info
->src
.resource
,
991 info
->src
.box
.z
, ~0, sctx
->custom_blend_resolve
, format
);
992 si_blitter_end(sctx
);
994 /* Flush caches for possible texturing. */
995 si_make_CB_shader_coherent(sctx
, 1, false, true /* no DCC */);
998 static bool do_hardware_msaa_resolve(struct pipe_context
*ctx
, const struct pipe_blit_info
*info
)
1000 struct si_context
*sctx
= (struct si_context
*)ctx
;
1001 struct si_texture
*src
= (struct si_texture
*)info
->src
.resource
;
1002 struct si_texture
*dst
= (struct si_texture
*)info
->dst
.resource
;
1003 ASSERTED
struct si_texture
*stmp
;
1004 unsigned dst_width
= u_minify(info
->dst
.resource
->width0
, info
->dst
.level
);
1005 unsigned dst_height
= u_minify(info
->dst
.resource
->height0
, info
->dst
.level
);
1006 enum pipe_format format
= info
->src
.format
;
1007 struct pipe_resource
*tmp
, templ
;
1008 struct pipe_blit_info blit
;
1010 /* Check basic requirements for hw resolve. */
1011 if (!(info
->src
.resource
->nr_samples
> 1 && info
->dst
.resource
->nr_samples
<= 1 &&
1012 !util_format_is_pure_integer(format
) && !util_format_is_depth_or_stencil(format
) &&
1013 util_max_layer(info
->src
.resource
, 0) == 0))
1016 /* Hardware MSAA resolve doesn't work if SPI format = NORM16_ABGR and
1017 * the format is R16G16. Use R16A16, which does work.
1019 if (format
== PIPE_FORMAT_R16G16_UNORM
)
1020 format
= PIPE_FORMAT_R16A16_UNORM
;
1021 if (format
== PIPE_FORMAT_R16G16_SNORM
)
1022 format
= PIPE_FORMAT_R16A16_SNORM
;
1024 /* Check the remaining requirements for hw resolve. */
1025 if (util_max_layer(info
->dst
.resource
, info
->dst
.level
) == 0 && !info
->scissor_enable
&&
1026 (info
->mask
& PIPE_MASK_RGBA
) == PIPE_MASK_RGBA
&&
1027 util_is_format_compatible(util_format_description(info
->src
.format
),
1028 util_format_description(info
->dst
.format
)) &&
1029 dst_width
== info
->src
.resource
->width0
&& dst_height
== info
->src
.resource
->height0
&&
1030 info
->dst
.box
.x
== 0 && info
->dst
.box
.y
== 0 && info
->dst
.box
.width
== dst_width
&&
1031 info
->dst
.box
.height
== dst_height
&& info
->dst
.box
.depth
== 1 && info
->src
.box
.x
== 0 &&
1032 info
->src
.box
.y
== 0 && info
->src
.box
.width
== dst_width
&&
1033 info
->src
.box
.height
== dst_height
&& info
->src
.box
.depth
== 1 && !dst
->surface
.is_linear
&&
1034 (!dst
->cmask_buffer
|| !dst
->dirty_level_mask
)) { /* dst cannot be fast-cleared */
1035 /* Check the last constraint. */
1036 if (src
->surface
.micro_tile_mode
!= dst
->surface
.micro_tile_mode
) {
1037 /* The next fast clear will switch to this mode to
1038 * get direct hw resolve next time if the mode is
1041 * TODO-GFX10: This does not work in GFX10 because MSAA
1042 * is restricted to 64KB_R_X and 64KB_Z_X swizzle modes.
1043 * In some cases we could change the swizzle of the
1044 * destination texture instead, but the more general
1045 * solution is to implement compute shader resolve.
1047 src
->last_msaa_resolve_target_micro_mode
= dst
->surface
.micro_tile_mode
;
1048 goto resolve_to_temp
;
1051 /* Resolving into a surface with DCC is unsupported. Since
1052 * it's being overwritten anyway, clear it to uncompressed.
1053 * This is still the fastest codepath even with this clear.
1055 if (vi_dcc_enabled(dst
, info
->dst
.level
)) {
1056 if (!vi_dcc_clear_level(sctx
, dst
, info
->dst
.level
, DCC_UNCOMPRESSED
))
1057 goto resolve_to_temp
;
1059 dst
->dirty_level_mask
&= ~(1 << info
->dst
.level
);
1062 /* Resolve directly from src to dst. */
1063 si_do_CB_resolve(sctx
, info
, info
->dst
.resource
, info
->dst
.level
, info
->dst
.box
.z
, format
);
1068 /* Shader-based resolve is VERY SLOW. Instead, resolve into
1069 * a temporary texture and blit.
1071 memset(&templ
, 0, sizeof(templ
));
1072 templ
.target
= PIPE_TEXTURE_2D
;
1073 templ
.format
= info
->src
.resource
->format
;
1074 templ
.width0
= info
->src
.resource
->width0
;
1075 templ
.height0
= info
->src
.resource
->height0
;
1077 templ
.array_size
= 1;
1078 templ
.usage
= PIPE_USAGE_DEFAULT
;
1079 templ
.flags
= SI_RESOURCE_FLAG_FORCE_MSAA_TILING
| SI_RESOURCE_FLAG_FORCE_MICRO_TILE_MODE
|
1080 SI_RESOURCE_FLAG_MICRO_TILE_MODE_SET(src
->surface
.micro_tile_mode
) |
1081 SI_RESOURCE_FLAG_DISABLE_DCC
;
1083 /* The src and dst microtile modes must be the same. */
1084 if (sctx
->chip_class
<= GFX8
&& src
->surface
.micro_tile_mode
== RADEON_MICRO_MODE_DISPLAY
)
1085 templ
.bind
= PIPE_BIND_SCANOUT
;
1089 tmp
= ctx
->screen
->resource_create(ctx
->screen
, &templ
);
1092 stmp
= (struct si_texture
*)tmp
;
1094 assert(!stmp
->surface
.is_linear
);
1095 assert(src
->surface
.micro_tile_mode
== stmp
->surface
.micro_tile_mode
);
1098 si_do_CB_resolve(sctx
, info
, tmp
, 0, 0, format
);
1102 blit
.src
.resource
= tmp
;
1105 si_blitter_begin(sctx
, SI_BLIT
| (info
->render_condition_enable
? 0 : SI_DISABLE_RENDER_COND
));
1106 util_blitter_blit(sctx
->blitter
, &blit
);
1107 si_blitter_end(sctx
);
1109 pipe_resource_reference(&tmp
, NULL
);
1113 static void si_blit(struct pipe_context
*ctx
, const struct pipe_blit_info
*info
)
1115 struct si_context
*sctx
= (struct si_context
*)ctx
;
1116 struct si_texture
*dst
= (struct si_texture
*)info
->dst
.resource
;
1118 if (do_hardware_msaa_resolve(ctx
, info
)) {
1122 /* Using SDMA for copying to a linear texture in GTT is much faster.
1123 * This improves DRI PRIME performance.
1125 * resource_copy_region can't do this yet, because dma_copy calls it
1126 * on failure (recursion).
1128 if (dst
->surface
.is_linear
&& util_can_blit_via_copy_region(info
, false)) {
1129 sctx
->dma_copy(ctx
, info
->dst
.resource
, info
->dst
.level
, info
->dst
.box
.x
, info
->dst
.box
.y
,
1130 info
->dst
.box
.z
, info
->src
.resource
, info
->src
.level
, &info
->src
.box
);
1134 assert(util_blitter_is_blit_supported(sctx
->blitter
, info
));
1136 /* The driver doesn't decompress resources automatically while
1137 * u_blitter is rendering. */
1138 vi_disable_dcc_if_incompatible_format(sctx
, info
->src
.resource
, info
->src
.level
,
1140 vi_disable_dcc_if_incompatible_format(sctx
, info
->dst
.resource
, info
->dst
.level
,
1142 si_decompress_subresource(ctx
, info
->src
.resource
, PIPE_MASK_RGBAZS
, info
->src
.level
,
1143 info
->src
.box
.z
, info
->src
.box
.z
+ info
->src
.box
.depth
- 1);
1145 if (sctx
->screen
->debug_flags
& DBG(FORCE_SDMA
) && util_try_blit_via_copy_region(ctx
, info
))
1148 si_blitter_begin(sctx
, SI_BLIT
| (info
->render_condition_enable
? 0 : SI_DISABLE_RENDER_COND
));
1149 util_blitter_blit(sctx
->blitter
, info
);
1150 si_blitter_end(sctx
);
1153 static bool si_generate_mipmap(struct pipe_context
*ctx
, struct pipe_resource
*tex
,
1154 enum pipe_format format
, unsigned base_level
, unsigned last_level
,
1155 unsigned first_layer
, unsigned last_layer
)
1157 struct si_context
*sctx
= (struct si_context
*)ctx
;
1158 struct si_texture
*stex
= (struct si_texture
*)tex
;
1160 if (!util_blitter_is_copy_supported(sctx
->blitter
, tex
, tex
))
1163 /* The driver doesn't decompress resources automatically while
1164 * u_blitter is rendering. */
1165 vi_disable_dcc_if_incompatible_format(sctx
, tex
, base_level
, format
);
1166 si_decompress_subresource(ctx
, tex
, PIPE_MASK_RGBAZS
, base_level
, first_layer
, last_layer
);
1168 /* Clear dirty_level_mask for the levels that will be overwritten. */
1169 assert(base_level
< last_level
);
1170 stex
->dirty_level_mask
&= ~u_bit_consecutive(base_level
+ 1, last_level
- base_level
);
1172 sctx
->generate_mipmap_for_depth
= stex
->is_depth
;
1174 si_blitter_begin(sctx
, SI_BLIT
| SI_DISABLE_RENDER_COND
);
1175 util_blitter_generate_mipmap(sctx
->blitter
, tex
, format
, base_level
, last_level
, first_layer
,
1177 si_blitter_end(sctx
);
1179 sctx
->generate_mipmap_for_depth
= false;
1183 static void si_flush_resource(struct pipe_context
*ctx
, struct pipe_resource
*res
)
1185 struct si_context
*sctx
= (struct si_context
*)ctx
;
1186 struct si_texture
*tex
= (struct si_texture
*)res
;
1188 assert(res
->target
!= PIPE_BUFFER
);
1189 assert(!tex
->dcc_separate_buffer
|| tex
->dcc_gather_statistics
);
1191 /* st/dri calls flush twice per frame (not a bug), this prevents double
1193 if (tex
->dcc_separate_buffer
&& !tex
->separate_dcc_dirty
)
1196 if (!tex
->is_depth
&& (tex
->cmask_buffer
|| vi_dcc_enabled(tex
, 0))) {
1197 si_blit_decompress_color(sctx
, tex
, 0, res
->last_level
, 0, util_max_layer(res
, 0),
1198 tex
->dcc_separate_buffer
!= NULL
, false);
1200 if (tex
->surface
.display_dcc_offset
&& tex
->displayable_dcc_dirty
) {
1201 si_retile_dcc(sctx
, tex
);
1202 tex
->displayable_dcc_dirty
= false;
1206 /* Always do the analysis even if DCC is disabled at the moment. */
1207 if (tex
->dcc_gather_statistics
) {
1208 bool separate_dcc_dirty
= tex
->separate_dcc_dirty
;
1210 /* If the color buffer hasn't been unbound and fast clear hasn't
1211 * been used, separate_dcc_dirty is false, but there may have been
1212 * new rendering. Check if the color buffer is bound and assume
1215 * Note that DRI2 never unbinds window colorbuffers, which means
1216 * the DCC pipeline statistics query would never be re-set and would
1217 * keep adding new results until all free memory is exhausted if we
1220 if (!separate_dcc_dirty
) {
1221 for (unsigned i
= 0; i
< sctx
->framebuffer
.state
.nr_cbufs
; i
++) {
1222 if (sctx
->framebuffer
.state
.cbufs
[i
] &&
1223 sctx
->framebuffer
.state
.cbufs
[i
]->texture
== res
) {
1224 separate_dcc_dirty
= true;
1230 if (separate_dcc_dirty
) {
1231 tex
->separate_dcc_dirty
= false;
1232 vi_separate_dcc_process_and_reset_stats(ctx
, tex
);
1237 void si_decompress_dcc(struct si_context
*sctx
, struct si_texture
*tex
)
1239 /* If graphics is disabled, we can't decompress DCC, but it shouldn't
1240 * be compressed either. The caller should simply discard it.
1242 if (!tex
->surface
.dcc_offset
|| !sctx
->has_graphics
)
1245 if (sctx
->chip_class
== GFX8
) {
1246 si_blit_decompress_color(sctx
, tex
, 0, tex
->buffer
.b
.b
.last_level
, 0,
1247 util_max_layer(&tex
->buffer
.b
.b
, 0), true, false);
1249 struct pipe_resource
*ptex
= &tex
->buffer
.b
.b
;
1251 /* DCC decompression using a compute shader. */
1252 for (unsigned level
= 0; level
< tex
->surface
.num_dcc_levels
; level
++) {
1253 struct pipe_box box
;
1255 u_box_3d(0, 0, 0, u_minify(ptex
->width0
, level
),
1256 u_minify(ptex
->height0
, level
),
1257 util_num_layers(ptex
, level
), &box
);
1258 si_compute_copy_image(sctx
, ptex
, level
, ptex
, level
, 0, 0, 0, &box
,
1262 /* Now clear DCC metadata to uncompressed. */
1263 uint32_t clear_value
= DCC_UNCOMPRESSED
;
1264 si_clear_buffer(sctx
, ptex
, tex
->surface
.dcc_offset
,
1265 tex
->surface
.dcc_size
, &clear_value
, 4,
1266 SI_COHERENCY_CB_META
, false);
1270 void si_init_blit_functions(struct si_context
*sctx
)
1272 sctx
->b
.resource_copy_region
= si_resource_copy_region
;
1274 if (sctx
->has_graphics
) {
1275 sctx
->b
.blit
= si_blit
;
1276 sctx
->b
.flush_resource
= si_flush_resource
;
1277 sctx
->b
.generate_mipmap
= si_generate_mipmap
;