1 /*
2 * Copyright (C) 2016 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/u_format.h"
29
30 #include "fd5_screen.h"
31 #include "fd5_context.h"
32 #include "fd5_format.h"
33 #include "ir3_compiler.h"
34
35 static boolean
fd5_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned usage)36 fd5_screen_is_format_supported(struct pipe_screen *pscreen,
37 enum pipe_format format,
38 enum pipe_texture_target target,
39 unsigned sample_count,
40 unsigned usage)
41 {
42 unsigned retval = 0;
43
44 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
45 (sample_count > 1) || /* TODO add MSAA */
46 !util_format_is_supported(format, usage)) {
47 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
48 util_format_name(format), target, sample_count, usage);
49 return FALSE;
50 }
51
52 if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
53 (fd5_pipe2vtx(format) != (enum a5xx_vtx_fmt)~0)) {
54 retval |= PIPE_BIND_VERTEX_BUFFER;
55 }
56
57 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
58 (target == PIPE_BUFFER ||
59 util_format_get_blocksize(format) != 12) &&
60 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
61 retval |= PIPE_BIND_SAMPLER_VIEW;
62 }
63
64 if ((usage & (PIPE_BIND_RENDER_TARGET |
65 PIPE_BIND_DISPLAY_TARGET |
66 PIPE_BIND_SCANOUT |
67 PIPE_BIND_SHARED)) &&
68 (fd5_pipe2color(format) != (enum a5xx_color_fmt)~0) &&
69 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
70 retval |= usage & (PIPE_BIND_RENDER_TARGET |
71 PIPE_BIND_DISPLAY_TARGET |
72 PIPE_BIND_SCANOUT |
73 PIPE_BIND_SHARED);
74 }
75
76 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
77 (fd5_pipe2depth(format) != (enum a5xx_depth_format)~0) &&
78 (fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
79 retval |= PIPE_BIND_DEPTH_STENCIL;
80 }
81
82 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
83 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
84 retval |= PIPE_BIND_INDEX_BUFFER;
85 }
86
87 if (retval != usage) {
88 DBG("not supported: format=%s, target=%d, sample_count=%d, "
89 "usage=%x, retval=%x", util_format_name(format),
90 target, sample_count, usage, retval);
91 }
92
93 return retval == usage;
94 }
95
96 void
fd5_screen_init(struct pipe_screen * pscreen)97 fd5_screen_init(struct pipe_screen *pscreen)
98 {
99 struct fd_screen *screen = fd_screen(pscreen);
100 screen->max_rts = A5XX_MAX_RENDER_TARGETS;
101 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
102 pscreen->context_create = fd5_context_create;
103 pscreen->is_format_supported = fd5_screen_is_format_supported;
104 }
105