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 uint32_t width0 = prsc->width0;
35
36 if (rsc->layout.tile_mode && prsc->target != PIPE_TEXTURE_CUBE)
37 width0 = util_next_power_of_two(width0);
38
39 /* 32 pixel alignment */
40 fdl_set_pitchalign(&rsc->layout, fdl_cpp_shift(&rsc->layout) + 5);
41
42 for (level = 0; level <= prsc->last_level; level++) {
43 struct fdl_slice *slice = fd_resource_slice(rsc, level);
44 uint32_t pitch = fdl_pitch(&rsc->layout, level);
45 uint32_t height = u_minify(prsc->height0, level);
46 if (rsc->layout.tile_mode) {
47 height = align(height, 4);
48 if (prsc->target != PIPE_TEXTURE_CUBE)
49 height = util_next_power_of_two(height);
50 }
51
52 uint32_t nblocksy = util_format_get_nblocksy(format, height);
53
54 slice->offset = size;
55 /* 1d array and 2d array textures must all have the same layer size
56 * for each miplevel on a3xx. 3d textures can have different layer
57 * sizes for high levels, but the hw auto-sizer is buggy (or at least
58 * different than what this code does), so as soon as the layer size
59 * range gets into range, we stop reducing it.
60 */
61 if (prsc->target == PIPE_TEXTURE_3D &&
62 (level == 1 ||
63 (level > 1 && fd_resource_slice(rsc, level - 1)->size0 > 0xf000)))
64 slice->size0 = align(nblocksy * pitch, alignment);
65 else if (level == 0 || alignment == 1)
66 slice->size0 = align(nblocksy * pitch, alignment);
67 else
68 slice->size0 = fd_resource_slice(rsc, level - 1)->size0;
69
70 size += slice->size0 * u_minify(prsc->depth0, level) * prsc->array_size;
71 }
72
73 return size;
74 }
75
76 uint32_t
fd3_setup_slices(struct fd_resource * rsc)77 fd3_setup_slices(struct fd_resource *rsc)
78 {
79 uint32_t alignment;
80
81 switch (rsc->b.b.target) {
82 case PIPE_TEXTURE_3D:
83 case PIPE_TEXTURE_1D_ARRAY:
84 case PIPE_TEXTURE_2D_ARRAY:
85 alignment = 4096;
86 break;
87 default:
88 alignment = 1;
89 break;
90 }
91
92 return setup_slices(rsc, alignment, rsc->b.b.format);
93 }
94
95 static bool
ok_format(enum pipe_format pfmt)96 ok_format(enum pipe_format pfmt)
97 {
98 enum a3xx_color_fmt fmt = fd3_pipe2color(pfmt);
99
100 if (fmt == RB_NONE)
101 return false;
102
103 switch (pfmt) {
104 case PIPE_FORMAT_R8_UINT:
105 case PIPE_FORMAT_R8_SINT:
106 case PIPE_FORMAT_Z32_FLOAT:
107 return false;
108 default:
109 break;
110 }
111
112 return true;
113 }
114
115 unsigned
fd3_tile_mode(const struct pipe_resource * tmpl)116 fd3_tile_mode(const struct pipe_resource *tmpl)
117 {
118 if (ok_format(tmpl->format))
119 return TILE_4X4;
120 return LINEAR;
121 }
122