1 /*
2 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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 * Rob Clark <robclark@freedesktop.org>
25 */
26
27 #include "pipe/p_screen.h"
28 #include "util/format/u_format.h"
29
30 #include "fd2_screen.h"
31 #include "fd2_context.h"
32 #include "fd2_emit.h"
33 #include "fd2_util.h"
34 #include "fd2_resource.h"
35
36 static bool
fd2_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned storage_sample_count,unsigned usage)37 fd2_screen_is_format_supported(struct pipe_screen *pscreen,
38 enum pipe_format format,
39 enum pipe_texture_target target,
40 unsigned sample_count,
41 unsigned storage_sample_count,
42 unsigned usage)
43 {
44 unsigned retval = 0;
45
46 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
47 (sample_count > 1)) { /* TODO add MSAA */
48 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
49 util_format_name(format), target, sample_count, usage);
50 return false;
51 }
52
53 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
54 return false;
55
56 if ((usage & PIPE_BIND_RENDER_TARGET) &&
57 fd2_pipe2color(format) != (enum a2xx_colorformatx)~0) {
58 retval |= PIPE_BIND_RENDER_TARGET;
59 }
60
61 if ((usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_VERTEX_BUFFER)) &&
62 !util_format_is_srgb(format) &&
63 !util_format_is_pure_integer(format) &&
64 fd2_pipe2surface(format).format != FMT_INVALID) {
65 retval |= usage & PIPE_BIND_VERTEX_BUFFER;
66 /* the only npot blocksize supported texture format is R32G32B32_FLOAT */
67 if (util_is_power_of_two_or_zero(util_format_get_blocksize(format)) ||
68 format == PIPE_FORMAT_R32G32B32_FLOAT)
69 retval |= usage & PIPE_BIND_SAMPLER_VIEW;
70 }
71
72 if ((usage & (PIPE_BIND_RENDER_TARGET |
73 PIPE_BIND_DISPLAY_TARGET |
74 PIPE_BIND_SCANOUT |
75 PIPE_BIND_SHARED)) &&
76 (fd2_pipe2color(format) != (enum a2xx_colorformatx)~0)) {
77 retval |= usage & (PIPE_BIND_RENDER_TARGET |
78 PIPE_BIND_DISPLAY_TARGET |
79 PIPE_BIND_SCANOUT |
80 PIPE_BIND_SHARED);
81 }
82
83 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
84 (fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0)) {
85 retval |= PIPE_BIND_DEPTH_STENCIL;
86 }
87
88 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
89 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
90 retval |= PIPE_BIND_INDEX_BUFFER;
91 }
92
93 if (retval != usage) {
94 DBG("not supported: format=%s, target=%d, sample_count=%d, "
95 "usage=%x, retval=%x", util_format_name(format),
96 target, sample_count, usage, retval);
97 }
98
99 return retval == usage;
100 }
101
102 void
fd2_screen_init(struct pipe_screen * pscreen)103 fd2_screen_init(struct pipe_screen *pscreen)
104 {
105 struct fd_screen *screen = fd_screen(pscreen);
106
107 screen->max_rts = 1;
108 pscreen->context_create = fd2_context_create;
109 pscreen->is_format_supported = fd2_screen_is_format_supported;
110
111 screen->setup_slices = fd2_setup_slices;
112 if (fd_mesa_debug & FD_DBG_TTILE)
113 screen->tile_mode = fd2_tile_mode;
114
115 fd2_emit_init_screen(pscreen);
116 }
117