1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #include "pipe/p_screen.h"
30 #include "util/u_format.h"
31
32 #include "fd3_screen.h"
33 #include "fd3_context.h"
34 #include "fd3_format.h"
35 #include "ir3_compiler.h"
36
37 static boolean
fd3_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned usage)38 fd3_screen_is_format_supported(struct pipe_screen *pscreen,
39 enum pipe_format format,
40 enum pipe_texture_target target,
41 unsigned 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 !util_format_is_supported(format, usage)) {
49 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
50 util_format_name(format), target, sample_count, usage);
51 return FALSE;
52 }
53
54 if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
55 (fd3_pipe2vtx(format) != (enum a3xx_vtx_fmt)~0)) {
56 retval |= PIPE_BIND_VERTEX_BUFFER;
57 }
58
59 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
60 (fd3_pipe2tex(format) != (enum a3xx_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 PIPE_BIND_BLENDABLE)) &&
69 (fd3_pipe2color(format) != (enum a3xx_color_fmt)~0) &&
70 (fd3_pipe2tex(format) != (enum a3xx_tex_fmt)~0)) {
71 retval |= usage & (PIPE_BIND_RENDER_TARGET |
72 PIPE_BIND_DISPLAY_TARGET |
73 PIPE_BIND_SCANOUT |
74 PIPE_BIND_SHARED);
75 if (!util_format_is_pure_integer(format))
76 retval |= usage & PIPE_BIND_BLENDABLE;
77 }
78
79 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
80 (fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0) &&
81 (fd3_pipe2tex(format) != (enum a3xx_tex_fmt)~0)) {
82 retval |= PIPE_BIND_DEPTH_STENCIL;
83 }
84
85 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
86 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
87 retval |= PIPE_BIND_INDEX_BUFFER;
88 }
89
90 if (retval != usage) {
91 DBG("not supported: format=%s, target=%d, sample_count=%d, "
92 "usage=%x, retval=%x", util_format_name(format),
93 target, sample_count, usage, retval);
94 }
95
96 return retval == usage;
97 }
98
99 void
fd3_screen_init(struct pipe_screen * pscreen)100 fd3_screen_init(struct pipe_screen *pscreen)
101 {
102 struct fd_screen *screen = fd_screen(pscreen);
103 screen->max_rts = A3XX_MAX_RENDER_TARGETS;
104 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
105 pscreen->context_create = fd3_context_create;
106 pscreen->is_format_supported = fd3_screen_is_format_supported;
107 }
108