2 * Copyright (c) 2012-2015 Etnaviv Project
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, sub license,
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:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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 NON-INFRINGEMENT. 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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Wladimir J. van der Laan <laanwj@gmail.com>
27 #ifndef H_ETNAVIV_RESOURCE
28 #define H_ETNAVIV_RESOURCE
30 #include "etnaviv_internal.h"
31 #include "etnaviv_tiling.h"
32 #include "pipe/p_state.h"
33 #include "util/list.h"
37 struct etna_resource_level
{
38 unsigned width
, padded_width
; /* in pixels */
39 unsigned height
, padded_height
; /* in samples */
40 unsigned offset
; /* offset into memory area */
41 uint32_t stride
; /* row stride */
42 uint32_t layer_stride
; /* layer stride */
43 unsigned size
; /* total size of memory area */
46 uint32_t ts_layer_stride
;
48 uint32_t clear_value
; /* clear value of resource level (mainly for TS) */
52 /* status of queued up but not flushed reads and write operations.
53 * In _transfer_map() we need to know if queued up rendering needs
54 * to be flushed to preserve the order of cpu and gpu access. */
55 enum etna_resource_status
{
56 ETNA_PENDING_WRITE
= 0x01,
57 ETNA_PENDING_READ
= 0x02,
60 struct etna_resource
{
61 struct pipe_resource base
;
62 struct renderonly_scanout
*scanout
;
66 /* only lod 0 used for non-texture buffers */
67 /* Layout for surface (tiled, multitiled, split tiled, ...) */
68 enum etna_surface_layout layout
;
69 /* Horizontal alignment for texture unit (TEXTURE_HALIGN_*) */
71 struct etna_bo
*bo
; /* Surface video memory */
72 struct etna_bo
*ts_bo
; /* Tile status video memory */
74 struct etna_resource_level levels
[ETNA_NUM_LOD
];
76 /* When we are rendering to a texture, we need a differently tiled resource */
77 struct pipe_resource
*texture
;
79 enum etna_resource_status status
;
81 /* resources accessed by queued but not flushed draws are tracked
82 * in the used_resources list. */
83 struct list_head list
;
84 struct etna_context
*pending_ctx
;
87 /* returns TRUE if a is newer than b */
89 etna_resource_newer(struct etna_resource
*a
, struct etna_resource
*b
)
91 return (int)(a
->seqno
- b
->seqno
) > 0;
94 /* returns TRUE if a is older than b */
96 etna_resource_older(struct etna_resource
*a
, struct etna_resource
*b
)
98 return (int)(a
->seqno
- b
->seqno
) < 0;
101 /* returns TRUE if the resource needs a resolve to itself */
103 etna_resource_needs_flush(struct etna_resource
*res
)
105 return (int)(res
->seqno
- res
->flush_seqno
) > 0;
108 /* is the resource only used on the sampler? */
110 etna_resource_sampler_only(const struct pipe_resource
*pres
)
112 return (pres
->bind
& (PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
|
113 PIPE_BIND_DEPTH_STENCIL
| PIPE_BIND_BLENDABLE
)) ==
114 PIPE_BIND_SAMPLER_VIEW
;
117 static inline struct etna_resource
*
118 etna_resource(struct pipe_resource
*p
)
120 return (struct etna_resource
*)p
;
124 etna_resource_used(struct etna_context
*ctx
, struct pipe_resource
*prsc
,
125 enum etna_resource_status status
);
128 etna_resource_wait(struct pipe_context
*ctx
, struct etna_resource
*rsc
);
131 resource_read(struct etna_context
*ctx
, struct pipe_resource
*prsc
)
133 etna_resource_used(ctx
, prsc
, ETNA_PENDING_READ
);
137 resource_written(struct etna_context
*ctx
, struct pipe_resource
*prsc
)
139 etna_resource_used(ctx
, prsc
, ETNA_PENDING_WRITE
);
142 /* Allocate Tile Status for an etna resource.
143 * Tile status is a cache of the clear status per tile. This means a smaller
144 * surface has to be cleared which is faster.
145 * This is also called "fast clear". */
147 etna_screen_resource_alloc_ts(struct pipe_screen
*pscreen
,
148 struct etna_resource
*prsc
);
150 struct pipe_resource
*
151 etna_resource_alloc(struct pipe_screen
*pscreen
, unsigned layout
,
152 const struct pipe_resource
*templat
);
155 etna_resource_screen_init(struct pipe_screen
*pscreen
);