1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
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, 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:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the 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 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.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 */
26
27 #ifndef H_ETNAVIV_RESOURCE
28 #define H_ETNAVIV_RESOURCE
29
30 #include "etnaviv_internal.h"
31 #include "etnaviv_tiling.h"
32 #include "pipe/p_state.h"
33 #include "util/format/u_format.h"
34 #include "util/list.h"
35 #include "util/set.h"
36 #include "util/u_helpers.h"
37 #include "util/u_range.h"
38
39 struct etna_context;
40 struct pipe_screen;
41 struct util_dynarray;
42
43 struct etna_resource_level {
44 unsigned width, padded_width; /* in pixels */
45 unsigned height, padded_height; /* in samples */
46 unsigned depth;
47 unsigned offset; /* offset into memory area */
48 uint32_t stride; /* row stride */
49 uint32_t layer_stride; /* layer stride */
50 unsigned size; /* total size of memory area */
51
52 uint32_t ts_offset;
53 uint32_t ts_layer_stride;
54 uint32_t ts_size;
55 uint64_t clear_value; /* clear value of resource level (mainly for TS) */
56 bool ts_valid;
57 uint8_t ts_mode;
58 int8_t ts_compress_fmt; /* COLOR_COMPRESSION_FORMAT_* (-1 = disable) */
59
60 /* keep track if we have done some per block patching */
61 bool patched;
62 struct util_dynarray *patch_offsets;
63 };
64
65 /* status of queued up but not flushed reads and write operations.
66 * In _transfer_map() we need to know if queued up rendering needs
67 * to be flushed to preserve the order of cpu and gpu access. */
68 enum etna_resource_status {
69 ETNA_PENDING_WRITE = 0x01,
70 ETNA_PENDING_READ = 0x02,
71 };
72
73 struct etna_resource {
74 struct pipe_resource base;
75 struct renderonly_scanout *scanout;
76 uint32_t seqno;
77 uint32_t flush_seqno;
78
79 /* only lod 0 used for non-texture buffers */
80 /* Layout for surface (tiled, multitiled, split tiled, ...) */
81 enum etna_surface_layout layout;
82 /* Horizontal alignment for texture unit (TEXTURE_HALIGN_*) */
83 unsigned halign;
84 struct etna_bo *bo; /* Surface video memory */
85 struct etna_bo *ts_bo; /* Tile status video memory */
86
87 struct etna_resource_level levels[ETNA_NUM_LOD];
88
89 /* buffer range that has been initialized */
90 struct util_range valid_buffer_range;
91
92 /* for when TE doesn't support the base layout */
93 struct pipe_resource *texture;
94 /* for when PE doesn't support the base layout */
95 struct pipe_resource *render;
96
97 enum etna_resource_status status;
98
99 mtx_t lock; /* Lock to protect pending_ctx */
100 struct set *pending_ctx;
101 };
102
103 /* returns TRUE if a is newer than b */
104 static inline bool
etna_resource_newer(struct etna_resource * a,struct etna_resource * b)105 etna_resource_newer(struct etna_resource *a, struct etna_resource *b)
106 {
107 return (int)(a->seqno - b->seqno) > 0;
108 }
109
110 /* returns TRUE if a is older than b */
111 static inline bool
etna_resource_older(struct etna_resource * a,struct etna_resource * b)112 etna_resource_older(struct etna_resource *a, struct etna_resource *b)
113 {
114 return (int)(a->seqno - b->seqno) < 0;
115 }
116
117 /* returns TRUE if a resource has a TS, and it is valid for at least one level */
118 bool
119 etna_resource_has_valid_ts(struct etna_resource *res);
120
121 /* returns TRUE if the resource needs a resolve to itself */
122 static inline bool
etna_resource_needs_flush(struct etna_resource * res)123 etna_resource_needs_flush(struct etna_resource *res)
124 {
125 return etna_resource_has_valid_ts(res) && ((int)(res->seqno - res->flush_seqno) > 0);
126 }
127
128 /* is the resource only used on the sampler? */
129 static inline bool
etna_resource_sampler_only(const struct pipe_resource * pres)130 etna_resource_sampler_only(const struct pipe_resource *pres)
131 {
132 return (pres->bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
133 PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_BLENDABLE)) ==
134 PIPE_BIND_SAMPLER_VIEW;
135 }
136
137 static inline bool
etna_resource_hw_tileable(bool use_blt,const struct pipe_resource * pres)138 etna_resource_hw_tileable(bool use_blt, const struct pipe_resource *pres)
139 {
140 if (use_blt)
141 return true;
142
143 /* RS can only tile 16bpp or 32bpp formats */
144 return util_format_get_blocksize(pres->format) == 2 ||
145 util_format_get_blocksize(pres->format) == 4;
146 }
147
148 static inline struct etna_resource *
etna_resource(struct pipe_resource * p)149 etna_resource(struct pipe_resource *p)
150 {
151 return (struct etna_resource *)p;
152 }
153
154 void
155 etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc,
156 enum etna_resource_status status);
157
158 static inline void
resource_read(struct etna_context * ctx,struct pipe_resource * prsc)159 resource_read(struct etna_context *ctx, struct pipe_resource *prsc)
160 {
161 etna_resource_used(ctx, prsc, ETNA_PENDING_READ);
162 }
163
164 static inline void
resource_written(struct etna_context * ctx,struct pipe_resource * prsc)165 resource_written(struct etna_context *ctx, struct pipe_resource *prsc)
166 {
167 etna_resource_used(ctx, prsc, ETNA_PENDING_WRITE);
168 }
169
170 /* Allocate Tile Status for an etna resource.
171 * Tile status is a cache of the clear status per tile. This means a smaller
172 * surface has to be cleared which is faster.
173 * This is also called "fast clear". */
174 bool
175 etna_screen_resource_alloc_ts(struct pipe_screen *pscreen,
176 struct etna_resource *prsc);
177
178 struct pipe_resource *
179 etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
180 uint64_t modifier, const struct pipe_resource *templat);
181
182 void
183 etna_resource_screen_init(struct pipe_screen *pscreen);
184
185 #endif
186