1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
* Copyright (c) 2012-2015 Etnaviv Project
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Wladimir J. van der Laan <laanwj@gmail.com>
*/
#ifndef H_ETNAVIV_RESOURCE
#define H_ETNAVIV_RESOURCE
#include "etnaviv_internal.h"
#include "etnaviv_tiling.h"
#include "pipe/p_state.h"
#include "util/list.h"
struct pipe_screen;
struct etna_resource_level {
unsigned width, padded_width; /* in pixels */
unsigned height, padded_height; /* in samples */
unsigned offset; /* offset into memory area */
uint32_t stride; /* row stride */
uint32_t layer_stride; /* layer stride */
unsigned size; /* total size of memory area */
uint32_t ts_offset;
uint32_t ts_layer_stride;
uint32_t ts_size;
uint32_t clear_value; /* clear value of resource level (mainly for TS) */
};
/* status of queued up but not flushed reads and write operations.
* In _transfer_map() we need to know if queued up rendering needs
* to be flushed to preserve the order of cpu and gpu access. */
enum etna_resource_status {
ETNA_PENDING_WRITE = 0x01,
ETNA_PENDING_READ = 0x02,
};
struct etna_resource {
struct pipe_resource base;
struct renderonly_scanout *scanout;
uint32_t seqno;
/* only lod 0 used for non-texture buffers */
/* Layout for surface (tiled, multitiled, split tiled, ...) */
enum etna_surface_layout layout;
/* Horizontal alignment for texture unit (TEXTURE_HALIGN_*) */
unsigned halign;
struct etna_bo *bo; /* Surface video memory */
struct etna_bo *ts_bo; /* Tile status video memory */
struct etna_resource_level levels[ETNA_NUM_LOD];
/* When we are rendering to a texture, we need a differently tiled resource */
struct pipe_resource *texture;
enum etna_resource_status status;
/* resources accessed by queued but not flushed draws are tracked
* in the used_resources list. */
struct list_head list;
struct etna_context *pending_ctx;
};
/* returns TRUE if a is newer than b */
static inline bool
etna_resource_newer(struct etna_resource *a, struct etna_resource *b)
{
return (int)(a->seqno - b->seqno) > 0;
}
/* returns TRUE if a is older than b */
static inline bool
etna_resource_older(struct etna_resource *a, struct etna_resource *b)
{
return (int)(a->seqno - b->seqno) < 0;
}
/* is the resource only used on the sampler? */
static inline bool
etna_resource_sampler_only(const struct pipe_resource *pres)
{
return (pres->bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_BLENDABLE)) ==
PIPE_BIND_SAMPLER_VIEW;
}
static inline struct etna_resource *
etna_resource(struct pipe_resource *p)
{
return (struct etna_resource *)p;
}
void
etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc,
enum etna_resource_status status);
void
etna_resource_wait(struct pipe_context *ctx, struct etna_resource *rsc);
static inline void
resource_read(struct etna_context *ctx, struct pipe_resource *prsc)
{
etna_resource_used(ctx, prsc, ETNA_PENDING_READ);
}
static inline void
resource_written(struct etna_context *ctx, struct pipe_resource *prsc)
{
etna_resource_used(ctx, prsc, ETNA_PENDING_WRITE);
}
/* Allocate Tile Status for an etna resource.
* Tile status is a cache of the clear status per tile. This means a smaller
* surface has to be cleared which is faster.
* This is also called "fast clear". */
bool
etna_screen_resource_alloc_ts(struct pipe_screen *pscreen,
struct etna_resource *prsc);
struct pipe_resource *
etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
const struct pipe_resource *templat);
void
etna_resource_screen_init(struct pipe_screen *pscreen);
#endif
|
