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
29uint32_t
30fd2_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
58unsigned
59fd2_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