ui/gl/gl_fence_apple.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/gl/gl_fence_apple.h"
   6
   7 #include "ui/gl/gl_bindings.h"
   8
   9 namespace gfx {
  10
  11 GLFenceAPPLE::GLFenceAPPLE() {
  12   glGenFencesAPPLE(1, &fence_);
  13   glSetFenceAPPLE(fence_);
  14   DCHECK(glIsFenceAPPLE(fence_));
  15   glFlush();
  16 }
  17
  18 bool GLFenceAPPLE::HasCompleted() {
  19   DCHECK(glIsFenceAPPLE(fence_));
  20   return !!glTestFenceAPPLE(fence_);
  21 }
  22
  23 void GLFenceAPPLE::ClientWait() {
  24   DCHECK(glIsFenceAPPLE(fence_));
  25   glFinishFenceAPPLE(fence_);
  26 }
  27
  28 void GLFenceAPPLE::ServerWait() {
  29   DCHECK(glIsFenceAPPLE(fence_));
  30   ClientWait();
  31 }
  32
  33 GLFenceAPPLE::~GLFenceAPPLE() {
  34   DCHECK(glIsFenceAPPLE(fence_));
  35   glDeleteFencesAPPLE(1, &fence_);
  36 }
  37
  38 }  // namespace gfx