ui/ozone/platform/drm/gpu/page_flip_request.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/drm/gpu/page_flip_request.h"
   6
   7 namespace ui {
   8
   9 PageFlipRequest::PageFlipRequest(int crtc_count,
  10                                  const SwapCompletionCallback& callback)
  11     : callback_(callback), crtc_count_(crtc_count) {
  12 }
  13
  14 PageFlipRequest::~PageFlipRequest() {
  15 }
  16
  17 void PageFlipRequest::Signal(gfx::SwapResult result) {
  18   if (result == gfx::SwapResult::SWAP_FAILED)
  19     result_ = gfx::SwapResult::SWAP_FAILED;
  20   else if (result != gfx::SwapResult::SWAP_ACK)
  21     result_ = result;
  22
  23   if (!--crtc_count_) {
  24     callback_.Run(result_);
  25     callback_.Reset();
  26   }
  27 }
  28
  29 }  // namespace ui