1/*
2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
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, sublicense,
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 next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * 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 NONINFRINGEMENT.  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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#ifndef FREEDRENO_BATCH_CACHE_H_
28#define FREEDRENO_BATCH_CACHE_H_
29
30#include "pipe/p_state.h"
31
32#include "freedreno_util.h"
33
34struct fd_resource;
35struct fd_batch;
36struct fd_context;
37struct fd_screen;
38
39struct hash_table;
40
41struct fd_batch_cache {
42   struct hash_table *ht;
43   unsigned cnt;
44
45   /* set of active batches.. there is an upper limit on the number of
46    * in-flight batches, for two reasons:
47    * 1) to avoid big spikes in number of batches in edge cases, such as
48    *    game startup (ie, lots of texture uploads, but no usages yet of
49    *    the textures), etc.
50    * 2) so we can use a simple bitmask in fd_resource to track which
51    *    batches have reference to the resource
52    */
53   struct fd_batch *batches[32];
54   uint32_t batch_mask;
55};
56
57/* note: if batches get unref'd in the body of the loop, they are removed
58 * from the various masks.. but since we copy the mask at the beginning of
59 * the loop into _m, we need the &= at the end of the loop to make sure
60 * we don't have stale bits in _m
61 */
62#define foreach_batch(batch, cache, mask)                                      \
63   for (uint32_t _m = (mask);                                                  \
64        _m && ((batch) = (cache)->batches[u_bit_scan(&_m)]); _m &= (mask))
65
66void fd_bc_init(struct fd_batch_cache *cache);
67void fd_bc_fini(struct fd_batch_cache *cache);
68
69void fd_bc_flush(struct fd_context *ctx, bool deferred) assert_dt;
70void fd_bc_flush_writer(struct fd_context *ctx, struct fd_resource *rsc) assert_dt;
71void fd_bc_flush_readers(struct fd_context *ctx, struct fd_resource *rsc) assert_dt;
72void fd_bc_dump(struct fd_context *ctx, const char *fmt, ...)
73   _util_printf_format(2, 3);
74
75void fd_bc_invalidate_batch(struct fd_batch *batch, bool destroy);
76void fd_bc_invalidate_resource(struct fd_resource *rsc, bool destroy);
77struct fd_batch *fd_bc_alloc_batch(struct fd_context *ctx,
78                                   bool nondraw) assert_dt;
79
80struct fd_batch *
81fd_batch_from_fb(struct fd_context *ctx,
82                 const struct pipe_framebuffer_state *pfb) assert_dt;
83
84#endif /* FREEDRENO_BATCH_CACHE_H_ */
85