| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gl/gl_fence_apple.h" |
| |
| #include "ui/gl/gl_bindings.h" |
| |
| namespace gl { |
| |
| GLFenceAPPLE::GLFenceAPPLE() { |
| glGenFencesAPPLE(1, &fence_); |
| glSetFenceAPPLE(fence_); |
| DCHECK(glIsFenceAPPLE(fence_)); |
| glFlush(); |
| } |
| |
| bool GLFenceAPPLE::HasCompleted() { |
| DCHECK(glIsFenceAPPLE(fence_)); |
| return !!glTestFenceAPPLE(fence_); |
| } |
| |
| void GLFenceAPPLE::ClientWait() { |
| DCHECK(glIsFenceAPPLE(fence_)); |
| glFinishFenceAPPLE(fence_); |
| } |
| |
| void GLFenceAPPLE::ServerWait() { |
| DCHECK(glIsFenceAPPLE(fence_)); |
| ClientWait(); |
| } |
| |
| GLFenceAPPLE::~GLFenceAPPLE() { |
| if (fence_) { |
| DCHECK(glIsFenceAPPLE(fence_)); |
| glDeleteFencesAPPLE(1, &fence_); |
| } |
| } |
| |
| void GLFenceAPPLE::Invalidate() { |
| fence_ = 0; |
| } |
| |
| } // namespace gl |