2 * Copyright (C) 2012 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>
25 * Jonathan Marek <jonathan@marek.ca>
28 #include "fd4_resource.h"
31 fd4_setup_slices(struct fd_resource
*rsc
)
33 struct pipe_resource
*prsc
= &rsc
->base
;
34 enum pipe_format format
= prsc
->format
;
35 uint32_t level
, size
= 0;
36 uint32_t width
= prsc
->width0
;
37 uint32_t height
= prsc
->height0
;
38 uint32_t depth
= prsc
->depth0
;
39 /* in layer_first layout, the level (slice) contains just one
40 * layer (since in fact the layer contains the slices)
42 uint32_t layers_in_level
, alignment
;
44 if (prsc
->target
== PIPE_TEXTURE_3D
) {
45 rsc
->layout
.layer_first
= false;
46 layers_in_level
= prsc
->array_size
;
49 rsc
->layout
.layer_first
= true;
54 /* 32 pixel alignment */
55 fdl_set_pitchalign(&rsc
->layout
, fdl_cpp_shift(&rsc
->layout
) + 5);
57 for (level
= 0; level
<= prsc
->last_level
; level
++) {
58 struct fdl_slice
*slice
= fd_resource_slice(rsc
, level
);
59 uint32_t pitch
= fdl_pitch(&rsc
->layout
, level
);
60 uint32_t nblocksy
= util_format_get_nblocksy(format
, height
);
64 /* 3d textures can have different layer sizes for high levels, but the
65 * hw auto-sizer is buggy (or at least different than what this code
66 * does), so as soon as the layer size range gets into range, we stop
69 if (prsc
->target
== PIPE_TEXTURE_3D
&&
70 (level
> 1 && fd_resource_slice(rsc
, level
- 1)->size0
<= 0xf000))
71 slice
->size0
= fd_resource_slice(rsc
, level
- 1)->size0
;
73 slice
->size0
= align(nblocksy
* pitch
, alignment
);
75 size
+= slice
->size0
* depth
* layers_in_level
;
77 width
= u_minify(width
, 1);
78 height
= u_minify(height
, 1);
79 depth
= u_minify(depth
, 1);