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Unified Diff: ui/gl/gl_fence_apple.cc

Issue 723343002: Update from https://crrev.com/304121 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years, 1 month ago
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Index: ui/gl/gl_fence_apple.cc
diff --git a/ui/gl/gl_fence_apple.cc b/ui/gl/gl_fence_apple.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9df0cad7e13f9de4ceeef311f127ed1ecd5d9650
--- /dev/null
+++ b/ui/gl/gl_fence_apple.cc
@@ -0,0 +1,47 @@
+// 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"
+#include "ui/gl/gl_context.h"
+
+namespace gfx {
+
+GLFenceAPPLE::GLFenceAPPLE(bool flush) {
+ glGenFencesAPPLE(1, &fence_);
+ glSetFenceAPPLE(fence_);
+ DCHECK(glIsFenceAPPLE(fence_));
+ if (flush) {
+ glFlush();
+ } else {
+ flush_event_ = GLContext::GetCurrent()->SignalFlush();
+ }
+}
+
+bool GLFenceAPPLE::HasCompleted() {
+ DCHECK(glIsFenceAPPLE(fence_));
+ return !!glTestFenceAPPLE(fence_);
+}
+
+void GLFenceAPPLE::ClientWait() {
+ DCHECK(glIsFenceAPPLE(fence_));
+ if (!flush_event_.get() || flush_event_->IsSignaled()) {
+ glFinishFenceAPPLE(fence_);
+ } else {
+ LOG(ERROR) << "Trying to wait for uncommitted fence. Skipping...";
+ }
+}
+
+void GLFenceAPPLE::ServerWait() {
+ DCHECK(glIsFenceAPPLE(fence_));
+ ClientWait();
+}
+
+GLFenceAPPLE::~GLFenceAPPLE() {
+ DCHECK(glIsFenceAPPLE(fence_));
+ glDeleteFencesAPPLE(1, &fence_);
+}
+
+} // namespace gfx
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