1 /*
2 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
3 * Copyright (C) 2019 Khaled Emara <ekhaled1836@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include "fd3_resource.h"
26 #include "fd3_format.h"
27
28 static uint32_t
setup_slices(struct fd_resource * rsc,uint32_t alignment,enum pipe_format format)29 setup_slices(struct fd_resource *rsc, uint32_t alignment,
30 enum pipe_format format)
31 {
32 struct pipe_resource *prsc = &rsc->b.b;
33 uint32_t level, size = 0;
34
35 /* 32 pixel alignment */
36 fdl_set_pitchalign(&rsc->layout, fdl_cpp_shift(&rsc->layout) + 5);
37
38 for (level = 0; level <= prsc->last_level; level++) {
39 struct fdl_slice *slice = fd_resource_slice(rsc, level);
40 uint32_t pitch = fdl_pitch(&rsc->layout, level);
41 uint32_t height = u_minify(prsc->height0, level);
42 if (rsc->layout.tile_mode) {
43 height = align(height, 4);
44 if (prsc->target != PIPE_TEXTURE_CUBE)
45 height = util_next_power_of_two(height);
46 }
47
48 uint32_t nblocksy = util_format_get_nblocksy(format, height);
49
50 slice->offset = size;
51 /* 1d array and 2d array textures must all have the same layer size
52 * for each miplevel on a3xx. 3d textures can have different layer
53 * sizes for high levels, but the hw auto-sizer is buggy (or at least
54 * different than what this code does), so as soon as the layer size
55 * range gets into range, we stop reducing it.
56 */
57 if (prsc->target == PIPE_TEXTURE_3D &&
58 (level == 1 ||
59 (level > 1 && fd_resource_slice(rsc, level - 1)->size0 > 0xf000)))
60 slice->size0 = align(nblocksy * pitch, alignment);
61 else if (level == 0 || alignment == 1)
62 slice->size0 = align(nblocksy * pitch, alignment);
63 else
64 slice->size0 = fd_resource_slice(rsc, level - 1)->size0;
65
66 size += slice->size0 * u_minify(prsc->depth0, level) * prsc->array_size;
67 }
68
69 return size;
70 }
71
72 uint32_t
fd3_setup_slices(struct fd_resource * rsc)73 fd3_setup_slices(struct fd_resource *rsc)
74 {
75 uint32_t alignment;
76
77 switch (rsc->b.b.target) {
78 case PIPE_TEXTURE_3D:
79 case PIPE_TEXTURE_1D_ARRAY:
80 case PIPE_TEXTURE_2D_ARRAY:
81 alignment = 4096;
82 break;
83 default:
84 alignment = 1;
85 break;
86 }
87
88 return setup_slices(rsc, alignment, rsc->b.b.format);
89 }
90
91 static bool
ok_format(enum pipe_format pfmt)92 ok_format(enum pipe_format pfmt)
93 {
94 enum a3xx_color_fmt fmt = fd3_pipe2color(pfmt);
95
96 if (fmt == RB_NONE)
97 return false;
98
99 switch (pfmt) {
100 case PIPE_FORMAT_R8_UINT:
101 case PIPE_FORMAT_R8_SINT:
102 case PIPE_FORMAT_Z32_FLOAT:
103 return false;
104 default:
105 break;
106 }
107
108 return true;
109 }
110
111 unsigned
fd3_tile_mode(const struct pipe_resource * tmpl)112 fd3_tile_mode(const struct pipe_resource *tmpl)
113 {
114 if (ok_format(tmpl->format))
115 return TILE_4X4;
116 return LINEAR;
117 }
118