gallium,clover: add OpenCL interoperability support for CL events
[mesa.git] / src / gallium / state_trackers / clover / api / interop.cpp
1 //
2 // Copyright 2015 Advanced Micro Devices, Inc.
3 // All Rights Reserved.
4 //
5 // Permission is hereby granted, free of charge, to any person obtaining a
6 // copy of this software and associated documentation files (the "Software"),
7 // to deal in the Software without restriction, including without limitation
8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 // and/or sell copies of the Software, and to permit persons to whom the
10 // Software is furnished to do so, subject to the following conditions:
11 //
12 // The above copyright notice and this permission notice shall be included in
13 // all copies or substantial portions 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 NONINFRINGEMENT. IN NO EVENT SHALL
18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 // OTHER DEALINGS IN THE SOFTWARE.
22 //
23
24 #include "core/event.hpp"
25 #include "api/util.hpp"
26
27 using namespace clover;
28
29 extern "C" {
30
31 PUBLIC bool
32 opencl_dri_event_add_ref(cl_event event)
33 {
34 return clRetainEvent(event) == CL_SUCCESS;
35 }
36
37 PUBLIC bool
38 opencl_dri_event_release(cl_event event)
39 {
40 return clReleaseEvent(event) == CL_SUCCESS;
41 }
42
43 PUBLIC bool
44 opencl_dri_event_wait(cl_event event, uint64_t timeout) try {
45 if (!timeout) {
46 return obj(event).status() == CL_COMPLETE;
47 }
48
49 obj(event).wait();
50 return true;
51
52 } catch (error &) {
53 return false;
54 }
55
56 PUBLIC struct pipe_fence_handle *
57 opencl_dri_event_get_fence(cl_event event) try {
58 return obj(event).fence();
59
60 } catch (error &) {
61 return NULL;
62 }
63
64 }