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// 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();
}
TransferableFence GLFenceAPPLE::Transfer() {
return TransferableFence();
}
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
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