1 /*
2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 * Authors:
25 * Rob Clark <robclark@freedesktop.org>
26 */
27
28 #include "drm-uapi/drm_fourcc.h"
29 #include "pipe/p_screen.h"
30 #include "util/format/u_format.h"
31
32 #include "fd6_screen.h"
33 #include "fd6_blitter.h"
34 #include "fd6_context.h"
35 #include "fd6_emit.h"
36 #include "fd6_format.h"
37 #include "fd6_resource.h"
38
39 #include "ir3/ir3_compiler.h"
40
41 static bool
valid_sample_count(unsigned sample_count)42 valid_sample_count(unsigned sample_count)
43 {
44 switch (sample_count) {
45 case 0:
46 case 1:
47 case 2:
48 case 4:
49 // TODO seems 8x works, but increases lrz width or height.. but the
50 // blob I have doesn't seem to expose any egl configs w/ 8x, so
51 // just hide it for now and revisit later.
52 // case 8:
53 return true;
54 default:
55 return false;
56 }
57 }
58
59 static bool
fd6_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)60 fd6_screen_is_format_supported(struct pipe_screen *pscreen,
61 enum pipe_format format,
62 enum pipe_texture_target target,
63 unsigned sample_count,
64 unsigned storage_sample_count,
65 unsigned usage)
66 {
67 unsigned retval = 0;
68
69 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
70 !valid_sample_count(sample_count)) {
71 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
72 util_format_name(format), target, sample_count, usage);
73 return false;
74 }
75
76 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
77 return false;
78
79 if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
80 (fd6_pipe2vtx(format) != FMT6_NONE)) {
81 retval |= PIPE_BIND_VERTEX_BUFFER;
82 }
83
84 if ((usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE)) &&
85 (fd6_pipe2tex(format) != FMT6_NONE) &&
86 (target == PIPE_BUFFER ||
87 util_format_get_blocksize(format) != 12)) {
88 retval |= usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE);
89 }
90
91 if ((usage & (PIPE_BIND_RENDER_TARGET |
92 PIPE_BIND_DISPLAY_TARGET |
93 PIPE_BIND_SCANOUT |
94 PIPE_BIND_SHARED |
95 PIPE_BIND_COMPUTE_RESOURCE)) &&
96 (fd6_pipe2color(format) != FMT6_NONE) &&
97 (fd6_pipe2tex(format) != FMT6_NONE)) {
98 retval |= usage & (PIPE_BIND_RENDER_TARGET |
99 PIPE_BIND_DISPLAY_TARGET |
100 PIPE_BIND_SCANOUT |
101 PIPE_BIND_SHARED |
102 PIPE_BIND_COMPUTE_RESOURCE);
103 }
104
105 /* For ARB_framebuffer_no_attachments: */
106 if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
107 retval |= usage & PIPE_BIND_RENDER_TARGET;
108 }
109
110 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
111 (fd6_pipe2depth(format) != (enum a6xx_depth_format)~0) &&
112 (fd6_pipe2tex(format) != FMT6_NONE)) {
113 retval |= PIPE_BIND_DEPTH_STENCIL;
114 }
115
116 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
117 (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
118 retval |= PIPE_BIND_INDEX_BUFFER;
119 }
120
121 if (retval != usage) {
122 DBG("not supported: format=%s, target=%d, sample_count=%d, "
123 "usage=%x, retval=%x", util_format_name(format),
124 target, sample_count, usage, retval);
125 }
126
127 return retval == usage;
128 }
129
130 void
fd6_screen_init(struct pipe_screen * pscreen)131 fd6_screen_init(struct pipe_screen *pscreen)
132 {
133 struct fd_screen *screen = fd_screen(pscreen);
134 screen->max_rts = A6XX_MAX_RENDER_TARGETS;
135 screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
136 pscreen->context_create = fd6_context_create;
137 pscreen->is_format_supported = fd6_screen_is_format_supported;
138
139 screen->tile_mode = fd6_tile_mode;
140
141 fd6_resource_screen_init(pscreen);
142 fd6_emit_init_screen(pscreen);
143 ir3_screen_init(pscreen);
144 }
145