1 /*
2 * Copyright © 2013 Rob Clark <[email protected]>
3 * SPDX-License-Identifier: MIT
4 *
5 * Authors:
6 * Rob Clark <[email protected]>
7 */
8
9 #include "pipe/p_screen.h"
10 #include "util/format/u_format.h"
11
12 #include "fd2_context.h"
13 #include "fd2_emit.h"
14 #include "fd2_resource.h"
15 #include "fd2_screen.h"
16 #include "fd2_util.h"
17
18 static bool
fd2_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)19 fd2_screen_is_format_supported(struct pipe_screen *pscreen,
20 enum pipe_format format,
21 enum pipe_texture_target target,
22 unsigned sample_count,
23 unsigned storage_sample_count, unsigned usage)
24 {
25 unsigned retval = 0;
26
27 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
28 (sample_count > 1)) { /* TODO add MSAA */
29 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
30 util_format_name(format), target, sample_count, usage);
31 return false;
32 }
33
34 if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
35 return false;
36
37 if ((usage & PIPE_BIND_RENDER_TARGET) &&
38 fd2_pipe2color(format) != (enum a2xx_colorformatx) ~0) {
39 retval |= PIPE_BIND_RENDER_TARGET;
40 }
41
42 if ((usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_VERTEX_BUFFER)) &&
43 !util_format_is_srgb(format) && !util_format_is_pure_integer(format) &&
44 fd2_pipe2surface(format).format != FMT_INVALID) {
45 retval |= usage & PIPE_BIND_VERTEX_BUFFER;
46 /* the only npot blocksize supported texture format is R32G32B32_FLOAT */
47 if (util_is_power_of_two_or_zero(util_format_get_blocksize(format)) ||
48 format == PIPE_FORMAT_R32G32B32_FLOAT)
49 retval |= usage & PIPE_BIND_SAMPLER_VIEW;
50 }
51
52 if ((usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET |
53 PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) &&
54 (fd2_pipe2color(format) != (enum a2xx_colorformatx) ~0)) {
55 retval |= usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET |
56 PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
57 }
58
59 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
60 (fd_pipe2depth(format) != (enum adreno_rb_depth_format) ~0)) {
61 retval |= PIPE_BIND_DEPTH_STENCIL;
62 }
63
64 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
65 (fd_pipe2index(format) != (enum pc_di_index_size) ~0)) {
66 retval |= PIPE_BIND_INDEX_BUFFER;
67 }
68
69 if (retval != usage) {
70 DBG("not supported: format=%s, target=%d, sample_count=%d, "
71 "usage=%x, retval=%x",
72 util_format_name(format), target, sample_count, usage, retval);
73 }
74
75 return retval == usage;
76 }
77
78 /* clang-format off */
79 static const enum pc_di_primtype a22x_primtypes[MESA_PRIM_COUNT] = {
80 [MESA_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
81 [MESA_PRIM_LINES] = DI_PT_LINELIST,
82 [MESA_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
83 [MESA_PRIM_LINE_LOOP] = DI_PT_LINELOOP,
84 [MESA_PRIM_TRIANGLES] = DI_PT_TRILIST,
85 [MESA_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
86 [MESA_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
87 };
88
89 static const enum pc_di_primtype a20x_primtypes[MESA_PRIM_COUNT] = {
90 [MESA_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
91 [MESA_PRIM_LINES] = DI_PT_LINELIST,
92 [MESA_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
93 [MESA_PRIM_TRIANGLES] = DI_PT_TRILIST,
94 [MESA_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
95 [MESA_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
96 };
97 /* clang-format on */
98
99 void
fd2_screen_init(struct pipe_screen * pscreen)100 fd2_screen_init(struct pipe_screen *pscreen)
101 {
102 struct fd_screen *screen = fd_screen(pscreen);
103
104 screen->max_rts = 1;
105 pscreen->context_create = fd2_context_create;
106 pscreen->is_format_supported = fd2_screen_is_format_supported;
107
108 screen->setup_slices = fd2_setup_slices;
109 if (FD_DBG(TTILE))
110 screen->tile_mode = fd2_tile_mode;
111
112 fd2_emit_init_screen(pscreen);
113
114 if (screen->gpu_id >= 220) {
115 screen->primtypes = a22x_primtypes;
116 } else {
117 screen->primtypes = a20x_primtypes;
118 }
119 }
120