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 "fd2_screen.h"
33 #include "fd2_context.h"
34 #include "fd2_util.h"
35
36 static boolean
fd2_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned 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 usage)
42 {
43 unsigned retval = 0;
44
45 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
46 (sample_count > 1) || /* TODO add MSAA */
47 !util_format_is_supported(format, usage)) {
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 /* TODO figure out how to render to other formats.. */
54 if ((usage & PIPE_BIND_RENDER_TARGET) &&
55 ((format != PIPE_FORMAT_B5G6R5_UNORM) &&
56 (format != PIPE_FORMAT_B5G5R5A1_UNORM) &&
57 (format != PIPE_FORMAT_B5G5R5X1_UNORM) &&
58 (format != PIPE_FORMAT_B4G4R4A4_UNORM) &&
59 (format != PIPE_FORMAT_B4G4R4X4_UNORM) &&
60 (format != PIPE_FORMAT_B8G8R8A8_UNORM) &&
61 (format != PIPE_FORMAT_B8G8R8X8_UNORM) &&
62 (format != PIPE_FORMAT_R8G8B8A8_UNORM) &&
63 (format != PIPE_FORMAT_R8G8B8X8_UNORM))) {
64 DBG("not supported render target: format=%s, target=%d, sample_count=%d, usage=%x",
65 util_format_name(format), target, sample_count, usage);
66 return FALSE;
67 }
68
69 if ((usage & (PIPE_BIND_SAMPLER_VIEW |
70 PIPE_BIND_VERTEX_BUFFER)) &&
71 (fd2_pipe2surface(format) != (enum a2xx_sq_surfaceformat)~0)) {
72 retval |= usage & (PIPE_BIND_SAMPLER_VIEW |
73 PIPE_BIND_VERTEX_BUFFER);
74 }
75
76 if ((usage & (PIPE_BIND_RENDER_TARGET |
77 PIPE_BIND_DISPLAY_TARGET |
78 PIPE_BIND_SCANOUT |
79 PIPE_BIND_SHARED)) &&
80 (fd2_pipe2color(format) != (enum a2xx_colorformatx)~0)) {
81 retval |= usage & (PIPE_BIND_RENDER_TARGET |
82 PIPE_BIND_DISPLAY_TARGET |
83 PIPE_BIND_SCANOUT |
84 PIPE_BIND_SHARED);
85 }
86
87 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
88 (fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0)) {
89 retval |= PIPE_BIND_DEPTH_STENCIL;
90 }
91
92 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
93 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
94 retval |= PIPE_BIND_INDEX_BUFFER;
95 }
96
97 if (retval != usage) {
98 DBG("not supported: format=%s, target=%d, sample_count=%d, "
99 "usage=%x, retval=%x", util_format_name(format),
100 target, sample_count, usage, retval);
101 }
102
103 return retval == usage;
104 }
105
106 void
fd2_screen_init(struct pipe_screen * pscreen)107 fd2_screen_init(struct pipe_screen *pscreen)
108 {
109 fd_screen(pscreen)->max_rts = 1;
110 pscreen->context_create = fd2_context_create;
111 pscreen->is_format_supported = fd2_screen_is_format_supported;
112 }
113