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_context.h"
31 #include "fd4_emit.h"
32 #include "fd4_format.h"
33 #include "fd4_resource.h"
34 #include "fd4_screen.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, unsigned usage)
44 {
45 unsigned retval = 0;
46
47 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
48 (sample_count > 1)) { /* TODO add MSAA */
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 (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
55 return false;
56
57 if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
58 (fd4_pipe2vtx(format) != VFMT4_NONE)) {
59 retval |= PIPE_BIND_VERTEX_BUFFER;
60 }
61
62 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
63 (fd4_pipe2tex(format) != TFMT4_NONE) &&
64 (target == PIPE_BUFFER || util_format_get_blocksize(format) != 12)) {
65 retval |= PIPE_BIND_SAMPLER_VIEW;
66 }
67
68 if ((usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET |
69 PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) &&
70 (fd4_pipe2color(format) != RB4_NONE) &&
71 (fd4_pipe2tex(format) != TFMT4_NONE)) {
72 retval |= usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET |
73 PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
74 }
75
76 /* For ARB_framebuffer_no_attachments: */
77 if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
78 retval |= usage & PIPE_BIND_RENDER_TARGET;
79 }
80
81 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
82 (fd4_pipe2depth(format) != (enum a4xx_depth_format) ~0) &&
83 (fd4_pipe2tex(format) != TFMT4_NONE)) {
84 retval |= PIPE_BIND_DEPTH_STENCIL;
85 }
86
87 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
88 (fd_pipe2index(format) != (enum pc_di_index_size) ~0)) {
89 retval |= PIPE_BIND_INDEX_BUFFER;
90 }
91
92 if (retval != usage) {
93 DBG("not supported: format=%s, target=%d, sample_count=%d, "
94 "usage=%x, retval=%x",
95 util_format_name(format), target, sample_count, usage, retval);
96 }
97
98 return retval == usage;
99 }
100
101 /* clang-format off */
102 static const enum pc_di_primtype primtypes[] = {
103 [PIPE_PRIM_POINTS] = DI_PT_POINTLIST,
104 [PIPE_PRIM_LINES] = DI_PT_LINELIST,
105 [PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
106 [PIPE_PRIM_LINE_LOOP] = DI_PT_LINELOOP,
107 [PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST,
108 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
109 [PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
110 [PIPE_PRIM_MAX] = DI_PT_RECTLIST, /* internal clear blits */
111 };
112 /* clang-format on */
113
114 void
fd4_screen_init(struct pipe_screen * pscreen)115 fd4_screen_init(struct pipe_screen *pscreen)
116 {
117 struct fd_screen *screen = fd_screen(pscreen);
118 screen->max_rts = A4XX_MAX_RENDER_TARGETS;
119 screen->setup_slices = fd4_setup_slices;
120 pscreen->context_create = fd4_context_create;
121 pscreen->is_format_supported = fd4_screen_is_format_supported;
122 fd4_emit_init_screen(pscreen);
123 ir3_screen_init(pscreen);
124
125 screen->primtypes = primtypes;
126 }
127