dom/canvas/WebGLSync.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "WebGLSync.h"
   7
   8 #include "GLContext.h"
   9 #include "mozilla/dom/WebGL2RenderingContextBinding.h"
  10 #include "WebGLContext.h"
  11
  12 namespace mozilla {
  13
  14 WebGLSync::WebGLSync(WebGLContext* webgl, GLenum condition, GLbitfield flags)
  15     : WebGLContextBoundObject(webgl),
  16       mGLName(mContext->gl->fFenceSync(condition, flags)),
  17       mFenceId(mContext->mNextFenceId) {
  18   mContext->mNextFenceId += 1;
  19 }
  20
  21 WebGLSync::~WebGLSync() {
  22   if (!mContext) return;
  23   mContext->gl->fDeleteSync(mGLName);
  24 }
  25
  26 void WebGLSync::MarkSignaled() const {
  27   if (mContext->mCompletedFenceId < mFenceId) {
  28     mContext->mCompletedFenceId = mFenceId;
  29   }
  30 }
  31
  32 }  // namespace mozilla