2 * Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Rob Clark <robclark@freedesktop.org>
27 #include "fd5_resource.h"
33 } tile_alignment
[] = {
43 /* NOTE: good way to test this is: (for example)
44 * piglit/bin/texelFetch fs sampler2D 100x100x1-100x300x1
47 setup_slices(struct fd_resource
*rsc
, uint32_t alignment
, enum pipe_format format
)
49 struct pipe_resource
*prsc
= &rsc
->base
;
50 struct fd_screen
*screen
= fd_screen(prsc
->screen
);
51 enum util_format_layout layout
= util_format_description(format
)->layout
;
52 uint32_t pitchalign
= screen
->gmem_alignw
;
54 uint32_t level
, size
= 0;
55 uint32_t width
= prsc
->width0
;
56 uint32_t height
= prsc
->height0
;
57 uint32_t depth
= prsc
->depth0
;
58 /* in layer_first layout, the level (slice) contains just one
59 * layer (since in fact the layer contains the slices)
61 uint32_t layers_in_level
= rsc
->layout
.layer_first
? 1 : prsc
->array_size
;
63 heightalign
= tile_alignment
[rsc
->layout
.cpp
].heightalign
;
65 for (level
= 0; level
<= prsc
->last_level
; level
++) {
66 struct fdl_slice
*slice
= fd_resource_slice(rsc
, level
);
67 uint32_t aligned_height
= height
;
70 if (fd_resource_tile_mode(prsc
, level
)) {
71 pitchalign
= tile_alignment
[rsc
->layout
.cpp
].pitchalign
;
72 aligned_height
= align(aligned_height
, heightalign
);
76 /* The blits used for mem<->gmem work at a granularity of
77 * 32x32, which can cause faults due to over-fetch on the
78 * last level. The simple solution is to over-allocate a
79 * bit the last level to ensure any over-fetch is harmless.
80 * The pitch is already sufficiently aligned, but height
83 if ((level
== prsc
->last_level
) && (prsc
->target
!= PIPE_BUFFER
))
84 aligned_height
= align(aligned_height
, 32);
87 if (layout
== UTIL_FORMAT_LAYOUT_ASTC
)
89 util_align_npot(width
, pitchalign
* util_format_get_blockwidth(format
));
91 slice
->pitch
= align(width
, pitchalign
);
94 blocks
= util_format_get_nblocks(format
, slice
->pitch
, aligned_height
);
96 /* 1d array and 2d array textures must all have the same layer size
97 * for each miplevel on a3xx. 3d textures can have different layer
98 * sizes for high levels, but the hw auto-sizer is buggy (or at least
99 * different than what this code does), so as soon as the layer size
100 * range gets into range, we stop reducing it.
102 if (prsc
->target
== PIPE_TEXTURE_3D
&& (
104 (level
> 1 && fd_resource_slice(rsc
, level
- 1)->size0
> 0xf000)))
105 slice
->size0
= align(blocks
* rsc
->layout
.cpp
, alignment
);
106 else if (level
== 0 || rsc
->layout
.layer_first
|| alignment
== 1)
107 slice
->size0
= align(blocks
* rsc
->layout
.cpp
, alignment
);
109 slice
->size0
= fd_resource_slice(rsc
, level
- 1)->size0
;
112 debug_printf("%s: %ux%ux%u@%u: %2u: stride=%4u, size=%7u, aligned_height=%3u\n",
113 util_format_name(prsc
->format
),
114 prsc
->width0
, prsc
->height0
, prsc
->depth0
, rsc
->layout
.cpp
,
115 level
, slice
->pitch
* rsc
->layout
.cpp
,
116 slice
->size0
* depth
* layers_in_level
,
120 size
+= slice
->size0
* depth
* layers_in_level
;
122 width
= u_minify(width
, 1);
123 height
= u_minify(height
, 1);
124 depth
= u_minify(depth
, 1);
131 setup_lrz(struct fd_resource
*rsc
)
133 struct fd_screen
*screen
= fd_screen(rsc
->base
.screen
);
134 const uint32_t flags
= DRM_FREEDRENO_GEM_CACHE_WCOMBINE
|
135 DRM_FREEDRENO_GEM_TYPE_KMEM
; /* TODO */
136 unsigned lrz_pitch
= align(DIV_ROUND_UP(rsc
->base
.width0
, 8), 64);
137 unsigned lrz_height
= DIV_ROUND_UP(rsc
->base
.height0
, 8);
139 /* LRZ buffer is super-sampled: */
140 switch (rsc
->base
.nr_samples
) {
148 unsigned size
= lrz_pitch
* lrz_height
* 2;
150 size
+= 0x1000; /* for GRAS_LRZ_FAST_CLEAR_BUFFER */
152 rsc
->lrz_height
= lrz_height
;
153 rsc
->lrz_width
= lrz_pitch
;
154 rsc
->lrz_pitch
= lrz_pitch
;
155 rsc
->lrz
= fd_bo_new(screen
->dev
, size
, flags
, "lrz");
159 fd5_setup_slices(struct fd_resource
*rsc
)
163 if ((fd_mesa_debug
& FD_DBG_LRZ
) && has_depth(rsc
->base
.format
))
166 switch (rsc
->base
.target
) {
167 case PIPE_TEXTURE_3D
:
168 rsc
->layout
.layer_first
= false;
172 rsc
->layout
.layer_first
= true;
177 return setup_slices(rsc
, alignment
, rsc
->base
.format
);