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 #ifndef FD6_TEXTURE_H_
29 #define FD6_TEXTURE_H_
30
31 #include "pipe/p_context.h"
32
33 #include "freedreno_resource.h"
34 #include "freedreno_texture.h"
35
36 #include "fd6_context.h"
37 #include "fdl/fd6_format_table.h"
38
39
40 BEGINC;
41
42 /* Border color layout is diff from a4xx/a5xx.. if it turns out to be
43 * the same as a6xx then move this somewhere common ;-)
44 *
45 * Entry layout looks like (total size, 0x80 bytes):
46 */
47
48 struct PACKED fd6_bcolor_entry {
49 uint32_t fp32[4];
50 uint16_t ui16[4];
51 int16_t si16[4];
52 uint16_t fp16[4];
53 uint16_t rgb565;
54 uint16_t rgb5a1;
55 uint16_t rgba4;
56 uint8_t __pad0[2];
57 uint8_t ui8[4];
58 int8_t si8[4];
59 uint32_t rgb10a2;
60 uint32_t z24;
61 uint16_t srgb[4]; /* appears to duplicate fp16[], but clamped, used for srgb */
62 uint8_t __pad1[56];
63 };
64
65 #define FD6_BORDER_COLOR_SIZE sizeof(struct fd6_bcolor_entry)
66 #define FD6_MAX_BORDER_COLORS 256
67
68 struct fd6_sampler_stateobj {
69 struct pipe_sampler_state base;
70 uint32_t texsamp0, texsamp1, texsamp2, texsamp3;
71 uint16_t seqno;
72 };
73
74 static inline struct fd6_sampler_stateobj *
fd6_sampler_stateobj(struct pipe_sampler_state * samp)75 fd6_sampler_stateobj(struct pipe_sampler_state *samp)
76 {
77 return (struct fd6_sampler_stateobj *)samp;
78 }
79
80 struct fd6_pipe_sampler_view {
81 struct pipe_sampler_view base;
82 struct fd_resource *ptr1, *ptr2;
83 uint16_t seqno;
84
85 /* TEX_CONST descriptor, with just offsets from the BOs in the iova dwords. */
86 uint32_t descriptor[FDL6_TEX_CONST_DWORDS];
87
88 /* For detecting when a resource has transitioned from UBWC compressed
89 * to uncompressed, which means the sampler state needs to be updated
90 */
91 uint16_t rsc_seqno;
92 };
93
94 static inline struct fd6_pipe_sampler_view *
fd6_pipe_sampler_view(struct pipe_sampler_view * pview)95 fd6_pipe_sampler_view(struct pipe_sampler_view *pview)
96 {
97 return (struct fd6_pipe_sampler_view *)pview;
98 }
99
100 void fd6_texture_init(struct pipe_context *pctx);
101 void fd6_texture_fini(struct pipe_context *pctx);
102
103 /*
104 * Texture stateobj:
105 *
106 * The sampler and sampler-view state is mapped to a single hardware
107 * stateobj which can be emit'd as a pointer in a CP_SET_DRAW_STATE
108 * packet, to avoid the overhead of re-generating the entire cmdstream
109 * when application toggles thru multiple different texture states.
110 */
111
112 struct fd6_texture_key {
113 uint16_t view_seqno[16];
114 uint16_t samp_seqno[16];
115 uint8_t type;
116 };
117
118 struct fd6_texture_state {
119 struct fd6_texture_key key;
120 struct fd_ringbuffer *stateobj;
121 /**
122 * Track the rsc seqno's associated with the texture views so
123 * we know what to invalidate when a rsc is rebound when the
124 * underlying bo changes. (For example, demotion from UBWC.)
125 */
126 uint16_t view_rsc_seqno[16];
127 bool invalidate;
128 };
129
130 struct fd6_texture_state *
131 fd6_texture_state(struct fd_context *ctx, enum pipe_shader_type type) assert_dt;
132
133 ENDC;
134
135 #endif /* FD6_TEXTURE_H_ */
136