src/gallium/state_trackers/clover/core/queue.cpp

   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
  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
  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
  62 command_queue::~command_queue() {
  63    pipe->destroy(pipe);
  64 }
  65
  66 void
  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
  86 command_queue::properties() const {
  87    return props;
  88 }
  89
  90 bool
  91 command_queue::profiling_enabled() const {
  92    return props & CL_QUEUE_PROFILING_ENABLE;
  93 }
  94
  95 void
  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 }