1 //
2 // Copyright 2012 Francisco Jerez
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 shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 // OTHER DEALINGS IN THE SOFTWARE.
21 //
22
23 #include "core/queue.hpp"
24 #include "core/event.hpp"
25 #include "pipe/p_screen.h"
26 #include "pipe/p_context.h"
27 #include "pipe/p_state.h"
28
29 using namespace clover;
30
31 namespace {
32 void
debug_notify_callback(void * data,unsigned * id,enum pipe_debug_type type,const char * fmt,va_list args)33 debug_notify_callback(void *data,
34 unsigned *id,
35 enum pipe_debug_type type,
36 const char *fmt,
37 va_list args) {
38 const command_queue *queue = (const command_queue *)data;
39 char buffer[1024];
40 vsnprintf(buffer, sizeof(buffer), fmt, args);
41 queue->context().notify(buffer);
42 }
43 }
44
command_queue(clover::context & ctx,clover::device & dev,cl_command_queue_properties props)45 command_queue::command_queue(clover::context &ctx, clover::device &dev,
46 cl_command_queue_properties props) :
47 context(ctx), device(dev), props(props) {
48 pipe = dev.pipe->context_create(dev.pipe, NULL, PIPE_CONTEXT_COMPUTE_ONLY);
49 if (!pipe)
50 throw error(CL_INVALID_DEVICE);
51
52 if (ctx.notify) {
53 struct pipe_debug_callback cb;
54 memset(&cb, 0, sizeof(cb));
55 cb.debug_message = &debug_notify_callback;
56 cb.data = this;
57 if (pipe->set_debug_callback)
58 pipe->set_debug_callback(pipe, &cb);
59 }
60 }
61
~command_queue()62 command_queue::~command_queue() {
63 pipe->destroy(pipe);
64 }
65
66 void
flush()67 command_queue::flush() {
68 pipe_screen *screen = device().pipe;
69 pipe_fence_handle *fence = NULL;
70
71 std::lock_guard<std::mutex> lock(queued_events_mutex);
72 if (!queued_events.empty()) {
73 pipe->flush(pipe, &fence, 0);
74
75 while (!queued_events.empty() &&
76 queued_events.front()().signalled()) {
77 queued_events.front()().fence(fence);
78 queued_events.pop_front();
79 }
80
81 screen->fence_reference(screen, &fence, NULL);
82 }
83 }
84
85 cl_command_queue_properties
properties() const86 command_queue::properties() const {
87 return props;
88 }
89
90 bool
profiling_enabled() const91 command_queue::profiling_enabled() const {
92 return props & CL_QUEUE_PROFILING_ENABLE;
93 }
94
95 void
sequence(hard_event & ev)96 command_queue::sequence(hard_event &ev) {
97 std::lock_guard<std::mutex> lock(queued_events_mutex);
98 if (!queued_events.empty())
99 queued_events.back()().chain(ev);
100
101 queued_events.push_back(ev);
102 }
103