• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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->base;
33 	enum pipe_format format = rsc->base.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 texture,
62 	* (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