1 /*
2 * Copyright (C) 2018 Jonathan Marek <jonathan@marek.ca>
3 *
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:
10 *
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
13 * Software.
14 *
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
21 * SOFTWARE.
22 *
23 * Authors:
24 * Jonathan Marek <jonathan@marek.ca>
25 */
26
27 #include "fd2_resource.h"
28
29 uint32_t
fd2_setup_slices(struct fd_resource * rsc)30 fd2_setup_slices(struct fd_resource *rsc)
31 {
32 struct pipe_resource *prsc = &rsc->b.b;
33 enum pipe_format format = prsc->format;
34 uint32_t height0 = util_format_get_nblocksy(format, prsc->height0);
35 uint32_t level, size = 0;
36
37 /* 32 pixel alignment */
38 fdl_set_pitchalign(&rsc->layout, fdl_cpp_shift(&rsc->layout) + 5);
39
40 for (level = 0; level <= prsc->last_level; level++) {
41 struct fdl_slice *slice = fd_resource_slice(rsc, level);
42 uint32_t pitch = fdl2_pitch(&rsc->layout, level);
43 uint32_t nblocksy = align(u_minify(height0, level), 32);
44
45 /* mipmaps have power of two sizes in memory */
46 if (level)
47 nblocksy = util_next_power_of_two(nblocksy);
48
49 slice->offset = size;
50 slice->size0 = align(pitch * nblocksy, 4096);
51
52 size += slice->size0 * u_minify(prsc->depth0, level) * prsc->array_size;
53 }
54
55 return size;
56 }
57
58 unsigned
fd2_tile_mode(const struct pipe_resource * tmpl)59 fd2_tile_mode(const struct pipe_resource *tmpl)
60 {
61 /* disable tiling for cube maps, freedreno uses a 2D array for the staging
62 * texture, (a2xx supports 2D arrays but it is not implemented)
63 */
64 if (tmpl->target == PIPE_TEXTURE_CUBE)
65 return 0;
66 /* we can enable tiling for any resource we can render to */
67 return (tmpl->bind & PIPE_BIND_RENDER_TARGET) ? 1 : 0;
68 }
69