1 /*
2 * Copyright (C) 2014 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 "fd4_screen.h"
31 #include "fd4_context.h"
32 #include "fd4_emit.h"
33 #include "fd4_format.h"
34 #include "fd4_resource.h"
35
36 #include "ir3/ir3_compiler.h"
37
38 static bool
fd4_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)39 fd4_screen_is_format_supported(struct pipe_screen *pscreen,
40 enum pipe_format format,
41 enum pipe_texture_target target,
42 unsigned sample_count,
43 unsigned storage_sample_count,
44 unsigned usage)
45 {
46 unsigned retval = 0;
47
48 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
49 (sample_count > 1)) { /* TODO add MSAA */
50 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
51 util_format_name(format), target, sample_count, usage);
52 return false;
53 }
54
55 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
56 return false;
57
58 if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
59 (fd4_pipe2vtx(format) != VFMT4_NONE)) {
60 retval |= PIPE_BIND_VERTEX_BUFFER;
61 }
62
63 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
64 (fd4_pipe2tex(format) != TFMT4_NONE) &&
65 (target == PIPE_BUFFER ||
66 util_format_get_blocksize(format) != 12)) {
67 retval |= PIPE_BIND_SAMPLER_VIEW;
68 }
69
70 if ((usage & (PIPE_BIND_RENDER_TARGET |
71 PIPE_BIND_DISPLAY_TARGET |
72 PIPE_BIND_SCANOUT |
73 PIPE_BIND_SHARED)) &&
74 (fd4_pipe2color(format) != RB4_NONE) &&
75 (fd4_pipe2tex(format) != TFMT4_NONE)) {
76 retval |= usage & (PIPE_BIND_RENDER_TARGET |
77 PIPE_BIND_DISPLAY_TARGET |
78 PIPE_BIND_SCANOUT |
79 PIPE_BIND_SHARED);
80 }
81
82 /* For ARB_framebuffer_no_attachments: */
83 if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
84 retval |= usage & PIPE_BIND_RENDER_TARGET;
85 }
86
87 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
88 (fd4_pipe2depth(format) != (enum a4xx_depth_format)~0) &&
89 (fd4_pipe2tex(format) != TFMT4_NONE)) {
90 retval |= PIPE_BIND_DEPTH_STENCIL;
91 }
92
93 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
94 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
95 retval |= PIPE_BIND_INDEX_BUFFER;
96 }
97
98 if (retval != usage) {
99 DBG("not supported: format=%s, target=%d, sample_count=%d, "
100 "usage=%x, retval=%x", util_format_name(format),
101 target, sample_count, usage, retval);
102 }
103
104 return retval == usage;
105 }
106
107 void
fd4_screen_init(struct pipe_screen * pscreen)108 fd4_screen_init(struct pipe_screen *pscreen)
109 {
110 struct fd_screen *screen = fd_screen(pscreen);
111 screen->max_rts = A4XX_MAX_RENDER_TARGETS;
112 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
113 screen->setup_slices = fd4_setup_slices;
114 pscreen->context_create = fd4_context_create;
115 pscreen->is_format_supported = fd4_screen_is_format_supported;
116 fd4_emit_init_screen(pscreen);
117 ir3_screen_init(pscreen);
118 }
119