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 * Rob Clark <robclark@freedesktop.org>
26 */
27
28 #include "etnaviv_fence.h"
29 #include "etnaviv_context.h"
30 #include "etnaviv_screen.h"
31
32 #include "util/u_inlines.h"
33 #include "util/u_memory.h"
34
35 struct pipe_fence_handle {
36 struct pipe_reference reference;
37 struct etna_context *ctx;
38 struct etna_screen *screen;
39 uint32_t timestamp;
40 };
41
42 static void
etna_screen_fence_reference(struct pipe_screen * pscreen,struct pipe_fence_handle ** ptr,struct pipe_fence_handle * fence)43 etna_screen_fence_reference(struct pipe_screen *pscreen,
44 struct pipe_fence_handle **ptr,
45 struct pipe_fence_handle *fence)
46 {
47 if (pipe_reference(&(*ptr)->reference, &fence->reference))
48 FREE(*ptr);
49
50 *ptr = fence;
51 }
52
53 static boolean
etna_screen_fence_finish(struct pipe_screen * pscreen,struct pipe_context * ctx,struct pipe_fence_handle * fence,uint64_t timeout)54 etna_screen_fence_finish(struct pipe_screen *pscreen, struct pipe_context *ctx,
55 struct pipe_fence_handle *fence, uint64_t timeout)
56 {
57 if (etna_pipe_wait_ns(fence->screen->pipe, fence->timestamp, timeout))
58 return false;
59
60 return true;
61 }
62
63 struct pipe_fence_handle *
etna_fence_create(struct pipe_context * pctx)64 etna_fence_create(struct pipe_context *pctx)
65 {
66 struct pipe_fence_handle *fence;
67 struct etna_context *ctx = etna_context(pctx);
68
69 fence = CALLOC_STRUCT(pipe_fence_handle);
70 if (!fence)
71 return NULL;
72
73 pipe_reference_init(&fence->reference, 1);
74
75 fence->ctx = ctx;
76 fence->screen = ctx->screen;
77 fence->timestamp = etna_cmd_stream_timestamp(ctx->stream);
78
79 return fence;
80 }
81
82 void
etna_fence_screen_init(struct pipe_screen * pscreen)83 etna_fence_screen_init(struct pipe_screen *pscreen)
84 {
85 pscreen->fence_reference = etna_screen_fence_reference;
86 pscreen->fence_finish = etna_screen_fence_finish;
87 }
88